./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52530a7d-f9e7-4bd2-9e87-db1ec3370591/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52530a7d-f9e7-4bd2-9e87-db1ec3370591/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52530a7d-f9e7-4bd2-9e87-db1ec3370591/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52530a7d-f9e7-4bd2-9e87-db1ec3370591/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52530a7d-f9e7-4bd2-9e87-db1ec3370591/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52530a7d-f9e7-4bd2-9e87-db1ec3370591/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5dfd7cb83fe5e8f1a1c790b3fb965075f4c8177484030f9001ac667825217333 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 09:12:58,265 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 09:12:58,266 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 09:12:58,285 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 09:12:58,285 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 09:12:58,286 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 09:12:58,288 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 09:12:58,289 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 09:12:58,291 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 09:12:58,291 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 09:12:58,292 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 09:12:58,293 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 09:12:58,294 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 09:12:58,295 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 09:12:58,296 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 09:12:58,297 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 09:12:58,297 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 09:12:58,298 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 09:12:58,300 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 09:12:58,301 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 09:12:58,303 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 09:12:58,304 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 09:12:58,306 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 09:12:58,307 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 09:12:58,314 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 09:12:58,314 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 09:12:58,315 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 09:12:58,316 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 09:12:58,317 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 09:12:58,318 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 09:12:58,319 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 09:12:58,320 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 09:12:58,321 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 09:12:58,321 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 09:12:58,323 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 09:12:58,323 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 09:12:58,323 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 09:12:58,324 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 09:12:58,324 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 09:12:58,325 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 09:12:58,325 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 09:12:58,326 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52530a7d-f9e7-4bd2-9e87-db1ec3370591/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 09:12:58,351 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 09:12:58,351 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 09:12:58,352 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 09:12:58,352 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 09:12:58,362 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 09:12:58,362 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 09:12:58,362 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 09:12:58,363 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 09:12:58,363 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 09:12:58,363 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 09:12:58,363 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 09:12:58,363 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 09:12:58,363 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 09:12:58,364 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 09:12:58,364 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 09:12:58,364 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 09:12:58,364 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 09:12:58,364 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 09:12:58,365 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 09:12:58,365 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 09:12:58,365 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 09:12:58,366 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 09:12:58,366 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 09:12:58,366 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 09:12:58,366 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 09:12:58,366 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 09:12:58,366 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 09:12:58,367 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 09:12:58,367 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 09:12:58,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:12:58,367 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 09:12:58,367 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 09:12:58,367 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 09:12:58,367 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 09:12:58,368 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 09:12:58,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 09:12:58,368 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 09:12:58,368 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 09:12:58,368 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52530a7d-f9e7-4bd2-9e87-db1ec3370591/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52530a7d-f9e7-4bd2-9e87-db1ec3370591/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5dfd7cb83fe5e8f1a1c790b3fb965075f4c8177484030f9001ac667825217333 [2022-12-14 09:12:58,565 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 09:12:58,584 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 09:12:58,586 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 09:12:58,586 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 09:12:58,587 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 09:12:58,588 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52530a7d-f9e7-4bd2-9e87-db1ec3370591/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i [2022-12-14 09:13:01,129 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 09:13:01,551 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 09:13:01,551 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52530a7d-f9e7-4bd2-9e87-db1ec3370591/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i [2022-12-14 09:13:01,584 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52530a7d-f9e7-4bd2-9e87-db1ec3370591/bin/utaipan-gh47qXpMRh/data/c27bf19fa/7c4a6bcd898e487c9347dee97a4a3c6f/FLAG6f08eb8c8 [2022-12-14 09:13:01,698 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52530a7d-f9e7-4bd2-9e87-db1ec3370591/bin/utaipan-gh47qXpMRh/data/c27bf19fa/7c4a6bcd898e487c9347dee97a4a3c6f [2022-12-14 09:13:01,700 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 09:13:01,701 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 09:13:01,702 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 09:13:01,702 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 09:13:01,705 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 09:13:01,706 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:13:01" (1/1) ... [2022-12-14 09:13:01,707 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@141d1302 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:01, skipping insertion in model container [2022-12-14 09:13:01,707 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:13:01" (1/1) ... [2022-12-14 09:13:01,713 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 09:13:01,870 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 09:13:02,232 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 09:13:02,604 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:02,642 WARN L623 FunctionHandler]: Unknown extern function __video_register_device [2022-12-14 09:13:02,829 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 09:13:02,845 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:02,875 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:02,877 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 09:13:02,877 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:02,880 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:02,881 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 09:13:02,882 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:02,883 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 09:13:02,884 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 09:13:02,885 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 09:13:02,886 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:02,887 WARN L623 FunctionHandler]: Unknown extern function strlcat [2022-12-14 09:13:02,890 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:02,891 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:02,894 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:02,901 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:02,905 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:02,916 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:02,917 WARN L623 FunctionHandler]: Unknown extern function usb_driver_claim_interface [2022-12-14 09:13:02,918 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:02,919 WARN L623 FunctionHandler]: Unknown extern function usb_driver_release_interface [2022-12-14 09:13:02,919 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 09:13:02,920 WARN L623 FunctionHandler]: Unknown extern function usb_get_intf [2022-12-14 09:13:02,921 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:02,924 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:02,926 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:02,928 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:02,931 WARN L623 FunctionHandler]: Unknown extern function kmemdup [2022-12-14 09:13:02,936 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:02,940 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:02,946 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:02,949 WARN L623 FunctionHandler]: Unknown extern function usb_driver_release_interface [2022-12-14 09:13:02,949 WARN L623 FunctionHandler]: Unknown extern function usb_put_intf [2022-12-14 09:13:02,949 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:02,950 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:02,950 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:02,973 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:02,977 WARN L623 FunctionHandler]: Unknown extern function usb_string [2022-12-14 09:13:02,978 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:13:02,988 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:02,990 WARN L623 FunctionHandler]: Unknown extern function usb_ifnum_to_if [2022-12-14 09:13:02,991 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:02,992 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:02,992 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:02,995 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:03,001 WARN L623 FunctionHandler]: Unknown extern function usb_string [2022-12-14 09:13:03,002 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:13:03,003 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:13:03,003 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:13:03,005 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:03,006 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:03,008 WARN L623 FunctionHandler]: Unknown extern function usb_string [2022-12-14 09:13:03,009 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:13:03,010 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:03,012 WARN L623 FunctionHandler]: Unknown extern function usb_string [2022-12-14 09:13:03,013 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:13:03,014 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:03,018 WARN L623 FunctionHandler]: Unknown extern function usb_string [2022-12-14 09:13:03,019 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:13:03,021 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:03,024 WARN L623 FunctionHandler]: Unknown extern function usb_string [2022-12-14 09:13:03,025 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:13:03,026 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:03,038 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:03,048 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:03,049 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:03,049 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:03,050 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:03,051 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:03,052 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:03,053 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:03,053 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:03,055 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:03,055 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:03,056 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:03,066 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:03,067 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:03,068 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:03,069 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:03,070 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:03,070 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:03,071 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:03,081 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:03,083 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:03,084 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:03,085 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:03,086 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:03,094 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:03,095 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:03,105 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:13:03,106 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:13:03,107 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:13:03,116 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:13:03,126 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 09:13:03,127 WARN L623 FunctionHandler]: Unknown extern function v4l2_prio_init [2022-12-14 09:13:03,127 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:03,128 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:03,129 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:03,137 WARN L623 FunctionHandler]: Unknown extern function usb_put_intf [2022-12-14 09:13:03,137 WARN L623 FunctionHandler]: Unknown extern function usb_put_dev [2022-12-14 09:13:03,138 WARN L623 FunctionHandler]: Unknown extern function v4l2_device_unregister [2022-12-14 09:13:03,138 WARN L623 FunctionHandler]: Unknown extern function media_device_unregister [2022-12-14 09:13:03,139 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:03,140 WARN L623 FunctionHandler]: Unknown extern function video_device_release [2022-12-14 09:13:03,140 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:03,141 WARN L623 FunctionHandler]: Unknown extern function usb_driver_release_interface [2022-12-14 09:13:03,142 WARN L623 FunctionHandler]: Unknown extern function usb_put_intf [2022-12-14 09:13:03,142 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:03,142 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:03,142 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:03,143 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:03,159 WARN L623 FunctionHandler]: Unknown extern function video_unregister_device [2022-12-14 09:13:03,167 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:03,168 WARN L623 FunctionHandler]: Unknown extern function video_device_alloc [2022-12-14 09:13:03,168 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:03,169 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 09:13:03,170 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:03,170 WARN L623 FunctionHandler]: Unknown extern function video_device_release [2022-12-14 09:13:03,179 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:03,189 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:03,197 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:03,198 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:03,199 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 09:13:03,200 WARN L623 FunctionHandler]: Unknown extern function usb_get_dev [2022-12-14 09:13:03,200 WARN L623 FunctionHandler]: Unknown extern function usb_get_intf [2022-12-14 09:13:03,201 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 09:13:03,202 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:03,202 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:03,203 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:03,204 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:03,204 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 09:13:03,205 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 09:13:03,206 WARN L623 FunctionHandler]: Unknown extern function media_device_register [2022-12-14 09:13:03,206 WARN L623 FunctionHandler]: Unknown extern function v4l2_device_register [2022-12-14 09:13:03,207 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:03,208 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:03,208 WARN L623 FunctionHandler]: Unknown extern function usb_enable_autosuspend [2022-12-14 09:13:03,222 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:03,222 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 09:13:03,223 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:13:03,224 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:03,232 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:03,234 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 09:13:03,234 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:13:03,235 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:03,258 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:13:03,259 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:13:03,267 WARN L623 FunctionHandler]: Unknown extern function strncasecmp [2022-12-14 09:13:03,269 WARN L623 FunctionHandler]: Unknown extern function strcasecmp [2022-12-14 09:13:03,269 WARN L623 FunctionHandler]: Unknown extern function strcasecmp [2022-12-14 09:13:03,285 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:03,696 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:03,696 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:03,696 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:03,697 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:03,697 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:03,697 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:03,697 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:03,698 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:03,698 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:03,698 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:03,698 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:03,698 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:03,699 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:03,699 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:03,699 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:03,699 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:03,700 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:03,700 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:03,700 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:03,700 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:03,700 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:03,700 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:03,701 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:03,701 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:03,701 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:03,701 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:03,701 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:03,701 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:03,702 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:03,702 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:03,702 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:03,707 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 09:13:03,720 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_usb_register_driver [2022-12-14 09:13:03,723 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 09:13:03,725 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-14 09:13:03,725 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-14 09:13:03,793 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 09:13:03,949 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:03,949 WARN L623 FunctionHandler]: Unknown extern function vb2_plane_vaddr [2022-12-14 09:13:03,956 WARN L623 FunctionHandler]: Unknown extern function vb2_buffer_done [2022-12-14 09:13:03,967 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:13:03,973 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 09:13:03,974 WARN L623 FunctionHandler]: Unknown extern function vb2_queue_init [2022-12-14 09:13:03,974 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 09:13:03,974 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 09:13:03,975 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 09:13:03,975 WARN L623 FunctionHandler]: Unknown extern function vb2_reqbufs [2022-12-14 09:13:03,975 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:13:03,975 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 09:13:03,976 WARN L623 FunctionHandler]: Unknown extern function vb2_queue_release [2022-12-14 09:13:03,976 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:13:03,976 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 09:13:03,976 WARN L623 FunctionHandler]: Unknown extern function vb2_querybuf [2022-12-14 09:13:03,976 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:13:03,976 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 09:13:03,976 WARN L623 FunctionHandler]: Unknown extern function vb2_qbuf [2022-12-14 09:13:03,977 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:13:03,977 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 09:13:03,977 WARN L623 FunctionHandler]: Unknown extern function vb2_dqbuf [2022-12-14 09:13:03,977 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:13:03,977 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 09:13:03,978 WARN L623 FunctionHandler]: Unknown extern function vb2_mmap [2022-12-14 09:13:03,978 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:13:03,978 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 09:13:03,978 WARN L623 FunctionHandler]: Unknown extern function vb2_poll [2022-12-14 09:13:03,978 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:13:03,979 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 09:13:03,979 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:13:03,979 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 09:13:03,979 WARN L623 FunctionHandler]: Unknown extern function vb2_streamon [2022-12-14 09:13:03,980 WARN L623 FunctionHandler]: Unknown extern function vb2_streamoff [2022-12-14 09:13:03,980 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:13:03,980 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 09:13:03,981 WARN L623 FunctionHandler]: Unknown extern function vb2_buffer_done [2022-12-14 09:13:03,981 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 09:13:03,982 WARN L623 FunctionHandler]: Unknown extern function vb2_buffer_done [2022-12-14 09:13:03,983 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 09:13:03,984 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 09:13:03,984 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 09:13:03,984 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 09:13:04,011 WARN L623 FunctionHandler]: Unknown extern function __xadd_wrong_size [2022-12-14 09:13:04,023 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 09:13:04,082 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 09:13:04,093 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 09:13:04,109 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 09:13:04,110 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 09:13:04,110 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 09:13:04,110 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-14 09:13:04,183 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 09:13:04,296 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:04,297 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:04,297 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:04,310 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:04,312 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:04,312 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:04,313 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 09:13:04,313 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:13:04,320 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 09:13:04,321 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:13:04,327 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 09:13:04,328 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:13:04,334 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 09:13:04,334 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:13:04,341 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:04,341 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 09:13:04,341 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:13:04,342 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:13:04,342 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:13:04,365 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:04,365 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_get_interface [2022-12-14 09:13:04,365 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface [2022-12-14 09:13:04,366 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 09:13:04,366 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:13:04,366 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface [2022-12-14 09:13:04,366 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:04,366 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:13:04,367 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_init [2022-12-14 09:13:04,367 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_add [2022-12-14 09:13:04,373 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:04,373 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_del [2022-12-14 09:13:04,373 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_exit [2022-12-14 09:13:04,373 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:04,373 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 09:13:04,374 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:13:04,374 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface [2022-12-14 09:13:04,380 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 09:13:04,382 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 09:13:04,382 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 09:13:04,383 WARN L623 FunctionHandler]: Unknown extern function v4l2_prio_max [2022-12-14 09:13:04,383 WARN L623 FunctionHandler]: Unknown extern function v4l2_prio_check [2022-12-14 09:13:04,383 WARN L623 FunctionHandler]: Unknown extern function v4l2_prio_change [2022-12-14 09:13:04,384 WARN L623 FunctionHandler]: Unknown extern function v4l2_prio_check [2022-12-14 09:13:04,385 WARN L623 FunctionHandler]: Unknown extern function v4l2_prio_check [2022-12-14 09:13:04,388 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 09:13:04,389 WARN L623 FunctionHandler]: Unknown extern function v4l2_prio_check [2022-12-14 09:13:04,391 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 09:13:04,391 WARN L623 FunctionHandler]: Unknown extern function v4l2_prio_check [2022-12-14 09:13:04,394 WARN L623 FunctionHandler]: Unknown extern function v4l2_prio_check [2022-12-14 09:13:04,395 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 09:13:04,395 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:13:04,395 WARN L623 FunctionHandler]: Unknown extern function v4l2_prio_check [2022-12-14 09:13:04,396 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 09:13:04,396 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:13:04,397 WARN L623 FunctionHandler]: Unknown extern function v4l2_prio_check [2022-12-14 09:13:04,397 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 09:13:04,397 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:13:04,398 WARN L623 FunctionHandler]: Unknown extern function v4l2_prio_check [2022-12-14 09:13:04,398 WARN L623 FunctionHandler]: Unknown extern function v4l2_event_subscribe [2022-12-14 09:13:04,398 WARN L623 FunctionHandler]: Unknown extern function v4l2_event_unsubscribe [2022-12-14 09:13:04,399 WARN L623 FunctionHandler]: Unknown extern function v4l2_event_dequeue [2022-12-14 09:13:04,399 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:04,399 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:04,406 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:04,406 WARN L623 FunctionHandler]: Unknown extern function v4l_printk_ioctl [2022-12-14 09:13:04,406 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:04,407 WARN L623 FunctionHandler]: Unknown extern function video_usercopy [2022-12-14 09:13:04,413 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-14 09:13:04,414 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-14 09:13:04,414 WARN L623 FunctionHandler]: Unknown extern function compat_alloc_user_space [2022-12-14 09:13:04,415 WARN L623 FunctionHandler]: Unknown extern function copy_in_user [2022-12-14 09:13:04,421 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 09:13:04,421 WARN L623 FunctionHandler]: Unknown extern function __clear_user [2022-12-14 09:13:04,422 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 09:13:04,422 WARN L623 FunctionHandler]: Unknown extern function copy_in_user [2022-12-14 09:13:04,428 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-14 09:13:04,429 WARN L623 FunctionHandler]: Unknown extern function compat_alloc_user_space [2022-12-14 09:13:04,429 WARN L623 FunctionHandler]: Unknown extern function copy_in_user [2022-12-14 09:13:04,436 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 09:13:04,436 WARN L623 FunctionHandler]: Unknown extern function copy_in_user [2022-12-14 09:13:04,449 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:04,455 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:04,461 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:04,572 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-14 09:13:04,670 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-14 09:13:04,678 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:04,692 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:04,693 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:04,693 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:04,695 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:04,702 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:04,703 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:04,716 WARN L623 FunctionHandler]: Unknown extern function usb_get_current_frame_number [2022-12-14 09:13:04,717 WARN L623 FunctionHandler]: Unknown extern function ktime_get_ts [2022-12-14 09:13:04,729 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 09:13:04,735 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:04,742 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:04,744 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:04,750 WARN L623 FunctionHandler]: Unknown extern function ktime_get_ts [2022-12-14 09:13:04,758 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:04,761 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-12-14 09:13:04,761 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-12-14 09:13:04,762 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-12-14 09:13:04,762 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-12-14 09:13:04,773 WARN L623 FunctionHandler]: Unknown extern function ktime_get_ts [2022-12-14 09:13:04,780 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:04,780 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:04,781 WARN L623 FunctionHandler]: Unknown extern function ktime_get_ts [2022-12-14 09:13:04,781 WARN L623 FunctionHandler]: Unknown extern function getnstimeofday [2022-12-14 09:13:04,781 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:04,787 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:04,793 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:04,794 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:04,810 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:04,830 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:04,831 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-14 09:13:04,832 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:04,837 WARN L623 FunctionHandler]: Unknown extern function usb_free_coherent [2022-12-14 09:13:04,844 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_coherent [2022-12-14 09:13:04,844 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:04,845 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:04,850 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 09:13:04,850 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-14 09:13:04,863 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-14 09:13:04,870 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-14 09:13:04,877 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:04,877 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:04,878 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:04,878 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:04,878 WARN L623 FunctionHandler]: Unknown extern function usb_set_interface [2022-12-14 09:13:04,879 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-14 09:13:04,879 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:04,879 WARN L623 FunctionHandler]: Unknown extern function usb_set_interface [2022-12-14 09:13:04,880 WARN L623 FunctionHandler]: Unknown extern function usb_set_interface [2022-12-14 09:13:04,881 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:04,881 WARN L623 FunctionHandler]: Unknown extern function usb_set_interface [2022-12-14 09:13:04,882 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:04,882 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:04,883 WARN L623 FunctionHandler]: Unknown extern function usb_set_interface [2022-12-14 09:13:04,883 WARN L623 FunctionHandler]: Unknown extern function usb_set_interface [2022-12-14 09:13:04,884 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 09:13:04,884 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 09:13:04,884 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 09:13:04,911 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 09:13:04,911 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 09:13:04,911 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 09:13:04,911 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-14 09:13:05,001 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 09:13:05,002 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 09:13:05,002 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 09:13:05,002 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 09:13:05,015 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:05,024 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:05,037 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 09:13:05,040 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-14 09:13:05,041 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:13:05,042 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-14 09:13:05,043 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 09:13:05,043 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:13:05,056 WARN L623 FunctionHandler]: Unknown extern function v4l2_event_queue_fh [2022-12-14 09:13:05,075 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-14 09:13:05,076 WARN L623 FunctionHandler]: Unknown extern function v4l2_event_queue_fh [2022-12-14 09:13:05,076 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:13:05,082 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 09:13:05,082 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 09:13:05,082 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:13:05,082 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-14 09:13:05,090 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:13:05,121 WARN L623 FunctionHandler]: Unknown extern function usb_match_one_id [2022-12-14 09:13:05,130 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:05,131 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:05,132 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:05,132 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:05,144 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:05,145 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:05,145 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:05,146 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-14 09:13:05,147 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:05,147 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:13:05,148 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:05,151 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:05,151 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:05,159 WARN L623 FunctionHandler]: Unknown extern function kmemdup [2022-12-14 09:13:05,160 WARN L623 FunctionHandler]: Unknown extern function kmemdup [2022-12-14 09:13:05,160 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:05,161 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:05,162 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:05,163 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-14 09:13:05,164 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:05,164 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:05,165 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:13:05,173 WARN L623 FunctionHandler]: Unknown extern function usb_match_one_id [2022-12-14 09:13:05,174 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:05,182 WARN L623 FunctionHandler]: Unknown extern function memweight [2022-12-14 09:13:05,189 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 09:13:05,189 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:05,189 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:05,189 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:05,190 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:05,191 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_merge [2022-12-14 09:13:05,191 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_replace [2022-12-14 09:13:05,241 WARN L623 FunctionHandler]: Unknown extern function input_event [2022-12-14 09:13:05,246 WARN L623 FunctionHandler]: Unknown extern function input_event [2022-12-14 09:13:05,257 WARN L623 FunctionHandler]: Unknown extern function strlcat [2022-12-14 09:13:05,258 WARN L623 FunctionHandler]: Unknown extern function input_register_device [2022-12-14 09:13:05,258 WARN L623 FunctionHandler]: Unknown extern function input_free_device [2022-12-14 09:13:05,264 WARN L623 FunctionHandler]: Unknown extern function input_unregister_device [2022-12-14 09:13:05,275 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:05,276 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:05,276 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:05,284 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:05,284 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:05,291 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:05,292 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:05,292 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-14 09:13:05,293 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:05,294 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-14 09:13:05,294 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:05,295 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 09:13:05,295 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-14 09:13:05,295 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:05,296 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-14 09:13:05,296 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 09:13:05,302 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 09:13:05,303 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 09:13:05,303 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:05,303 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:05,304 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:05,305 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:05,350 WARN L623 FunctionHandler]: Unknown extern function simple_read_from_buffer [2022-12-14 09:13:05,355 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:05,356 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:13:05,356 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_dir [2022-12-14 09:13:05,356 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:05,357 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_file [2022-12-14 09:13:05,357 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:05,358 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove_recursive [2022-12-14 09:13:05,358 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_dir [2022-12-14 09:13:05,358 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:05,358 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove_recursive [2022-12-14 09:13:05,366 WARN L623 FunctionHandler]: Unknown extern function no_llseek [2022-12-14 09:13:05,397 WARN L623 FunctionHandler]: Unknown extern function media_entity_create_link [2022-12-14 09:13:05,398 WARN L623 FunctionHandler]: Unknown extern function v4l2_device_register_subdev [2022-12-14 09:13:05,398 WARN L623 FunctionHandler]: Unknown extern function media_entity_cleanup [2022-12-14 09:13:05,398 WARN L623 FunctionHandler]: Unknown extern function media_entity_cleanup [2022-12-14 09:13:05,404 WARN L623 FunctionHandler]: Unknown extern function v4l2_subdev_init [2022-12-14 09:13:05,404 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 09:13:05,404 WARN L623 FunctionHandler]: Unknown extern function media_entity_init [2022-12-14 09:13:05,405 WARN L623 FunctionHandler]: Unknown extern function media_entity_init [2022-12-14 09:13:05,405 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:05,406 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:05,454 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-14 09:13:05,455 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 09:13:05,465 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 09:13:05,914 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52530a7d-f9e7-4bd2-9e87-db1ec3370591/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i[622320,622333] [2022-12-14 09:13:05,918 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52530a7d-f9e7-4bd2-9e87-db1ec3370591/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i[622489,622502] [2022-12-14 09:13:05,919 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52530a7d-f9e7-4bd2-9e87-db1ec3370591/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i[622656,622669] [2022-12-14 09:13:05,919 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52530a7d-f9e7-4bd2-9e87-db1ec3370591/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i[622824,622837] [2022-12-14 09:13:05,920 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:05,921 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:05,921 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:05,922 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:05,931 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:05,931 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:05,932 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:05,932 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:05,933 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:05,935 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:05,941 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:05,941 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:05,942 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:13:06,012 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 09:13:06,100 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 09:13:06,108 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:06,109 WARN L623 FunctionHandler]: Unknown extern function __video_register_device [2022-12-14 09:13:06,114 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 09:13:06,117 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:06,121 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,122 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 09:13:06,122 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,123 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,123 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 09:13:06,123 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,124 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 09:13:06,124 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 09:13:06,125 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 09:13:06,125 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,126 WARN L623 FunctionHandler]: Unknown extern function strlcat [2022-12-14 09:13:06,127 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,127 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,128 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,129 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,130 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,132 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,132 WARN L623 FunctionHandler]: Unknown extern function usb_driver_claim_interface [2022-12-14 09:13:06,133 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,133 WARN L623 FunctionHandler]: Unknown extern function usb_driver_release_interface [2022-12-14 09:13:06,133 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 09:13:06,136 WARN L623 FunctionHandler]: Unknown extern function usb_get_intf [2022-12-14 09:13:06,136 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,137 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,138 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,139 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,140 WARN L623 FunctionHandler]: Unknown extern function kmemdup [2022-12-14 09:13:06,141 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,142 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,143 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,144 WARN L623 FunctionHandler]: Unknown extern function usb_driver_release_interface [2022-12-14 09:13:06,144 WARN L623 FunctionHandler]: Unknown extern function usb_put_intf [2022-12-14 09:13:06,145 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:06,145 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:06,145 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:06,148 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,149 WARN L623 FunctionHandler]: Unknown extern function usb_string [2022-12-14 09:13:06,149 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:13:06,150 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,151 WARN L623 FunctionHandler]: Unknown extern function usb_ifnum_to_if [2022-12-14 09:13:06,151 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,151 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,152 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,152 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,154 WARN L623 FunctionHandler]: Unknown extern function usb_string [2022-12-14 09:13:06,154 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:13:06,155 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:13:06,155 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:13:06,155 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,156 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,156 WARN L623 FunctionHandler]: Unknown extern function usb_string [2022-12-14 09:13:06,157 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:13:06,157 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,158 WARN L623 FunctionHandler]: Unknown extern function usb_string [2022-12-14 09:13:06,158 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:13:06,159 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,160 WARN L623 FunctionHandler]: Unknown extern function usb_string [2022-12-14 09:13:06,160 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:13:06,161 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,162 WARN L623 FunctionHandler]: Unknown extern function usb_string [2022-12-14 09:13:06,162 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:13:06,163 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,164 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,166 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,166 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,166 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,167 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,167 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,167 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,168 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,168 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,168 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,168 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,169 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,172 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,173 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,173 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,173 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,174 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,174 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,174 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,176 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,179 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,179 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,179 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,182 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,183 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,183 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,184 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:13:06,185 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:13:06,185 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:13:06,186 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:13:06,188 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 09:13:06,190 WARN L623 FunctionHandler]: Unknown extern function v4l2_prio_init [2022-12-14 09:13:06,190 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:06,190 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,191 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,191 WARN L623 FunctionHandler]: Unknown extern function usb_put_intf [2022-12-14 09:13:06,191 WARN L623 FunctionHandler]: Unknown extern function usb_put_dev [2022-12-14 09:13:06,191 WARN L623 FunctionHandler]: Unknown extern function v4l2_device_unregister [2022-12-14 09:13:06,191 WARN L623 FunctionHandler]: Unknown extern function media_device_unregister [2022-12-14 09:13:06,192 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:06,192 WARN L623 FunctionHandler]: Unknown extern function video_device_release [2022-12-14 09:13:06,192 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:06,193 WARN L623 FunctionHandler]: Unknown extern function usb_driver_release_interface [2022-12-14 09:13:06,193 WARN L623 FunctionHandler]: Unknown extern function usb_put_intf [2022-12-14 09:13:06,193 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:06,193 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:06,193 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:06,193 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:06,196 WARN L623 FunctionHandler]: Unknown extern function video_unregister_device [2022-12-14 09:13:06,196 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,197 WARN L623 FunctionHandler]: Unknown extern function video_device_alloc [2022-12-14 09:13:06,197 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,203 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 09:13:06,203 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,203 WARN L623 FunctionHandler]: Unknown extern function video_device_release [2022-12-14 09:13:06,204 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,205 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,206 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,206 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,206 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 09:13:06,207 WARN L623 FunctionHandler]: Unknown extern function usb_get_dev [2022-12-14 09:13:06,207 WARN L623 FunctionHandler]: Unknown extern function usb_get_intf [2022-12-14 09:13:06,207 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 09:13:06,207 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,208 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,208 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,208 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,208 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 09:13:06,209 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 09:13:06,209 WARN L623 FunctionHandler]: Unknown extern function media_device_register [2022-12-14 09:13:06,209 WARN L623 FunctionHandler]: Unknown extern function v4l2_device_register [2022-12-14 09:13:06,209 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,210 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,210 WARN L623 FunctionHandler]: Unknown extern function usb_enable_autosuspend [2022-12-14 09:13:06,211 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,211 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 09:13:06,211 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:13:06,212 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,212 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,212 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 09:13:06,213 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:13:06,213 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,214 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:13:06,214 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:13:06,214 WARN L623 FunctionHandler]: Unknown extern function strncasecmp [2022-12-14 09:13:06,215 WARN L623 FunctionHandler]: Unknown extern function strcasecmp [2022-12-14 09:13:06,215 WARN L623 FunctionHandler]: Unknown extern function strcasecmp [2022-12-14 09:13:06,219 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,221 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:06,221 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:06,221 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:06,221 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:06,232 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:06,233 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:06,233 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:06,233 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:06,233 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:06,234 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:06,234 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:06,234 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:06,234 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:06,235 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:06,235 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:06,235 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:06,235 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:06,236 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:06,236 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:06,236 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:06,236 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:06,236 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:06,236 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:06,236 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:06,236 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:06,237 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:06,237 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:06,237 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:06,237 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:06,237 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:06,237 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:06,240 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 09:13:06,249 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_usb_register_driver [2022-12-14 09:13:06,252 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 09:13:06,253 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-14 09:13:06,254 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-14 09:13:06,254 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 09:13:06,259 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,259 WARN L623 FunctionHandler]: Unknown extern function vb2_plane_vaddr [2022-12-14 09:13:06,262 WARN L623 FunctionHandler]: Unknown extern function vb2_buffer_done [2022-12-14 09:13:06,265 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:13:06,265 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 09:13:06,266 WARN L623 FunctionHandler]: Unknown extern function vb2_queue_init [2022-12-14 09:13:06,266 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 09:13:06,267 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 09:13:06,267 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 09:13:06,267 WARN L623 FunctionHandler]: Unknown extern function vb2_reqbufs [2022-12-14 09:13:06,267 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:13:06,268 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 09:13:06,268 WARN L623 FunctionHandler]: Unknown extern function vb2_queue_release [2022-12-14 09:13:06,268 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:13:06,268 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 09:13:06,268 WARN L623 FunctionHandler]: Unknown extern function vb2_querybuf [2022-12-14 09:13:06,269 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:13:06,269 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 09:13:06,269 WARN L623 FunctionHandler]: Unknown extern function vb2_qbuf [2022-12-14 09:13:06,269 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:13:06,269 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 09:13:06,269 WARN L623 FunctionHandler]: Unknown extern function vb2_dqbuf [2022-12-14 09:13:06,270 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:13:06,270 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 09:13:06,270 WARN L623 FunctionHandler]: Unknown extern function vb2_mmap [2022-12-14 09:13:06,270 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:13:06,270 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 09:13:06,271 WARN L623 FunctionHandler]: Unknown extern function vb2_poll [2022-12-14 09:13:06,271 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:13:06,271 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 09:13:06,271 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:13:06,271 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 09:13:06,272 WARN L623 FunctionHandler]: Unknown extern function vb2_streamon [2022-12-14 09:13:06,272 WARN L623 FunctionHandler]: Unknown extern function vb2_streamoff [2022-12-14 09:13:06,272 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:13:06,273 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 09:13:06,273 WARN L623 FunctionHandler]: Unknown extern function vb2_buffer_done [2022-12-14 09:13:06,274 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 09:13:06,274 WARN L623 FunctionHandler]: Unknown extern function vb2_buffer_done [2022-12-14 09:13:06,275 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 09:13:06,275 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 09:13:06,276 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 09:13:06,276 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 09:13:06,276 WARN L623 FunctionHandler]: Unknown extern function __xadd_wrong_size [2022-12-14 09:13:06,277 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 09:13:06,278 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 09:13:06,279 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 09:13:06,280 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 09:13:06,280 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 09:13:06,280 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 09:13:06,280 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-14 09:13:06,281 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 09:13:06,284 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,284 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:06,284 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:06,286 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,288 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,289 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,289 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 09:13:06,290 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:13:06,291 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 09:13:06,292 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:13:06,293 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 09:13:06,294 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:13:06,294 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 09:13:06,294 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:13:06,296 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,296 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 09:13:06,297 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:13:06,297 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:13:06,298 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:13:06,299 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,300 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_get_interface [2022-12-14 09:13:06,301 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface [2022-12-14 09:13:06,303 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 09:13:06,306 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:13:06,306 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface [2022-12-14 09:13:06,308 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:06,308 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:13:06,308 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_init [2022-12-14 09:13:06,309 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_add [2022-12-14 09:13:06,309 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,309 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_del [2022-12-14 09:13:06,310 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_exit [2022-12-14 09:13:06,310 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:06,310 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 09:13:06,313 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:13:06,314 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface [2022-12-14 09:13:06,316 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 09:13:06,318 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 09:13:06,318 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 09:13:06,320 WARN L623 FunctionHandler]: Unknown extern function v4l2_prio_max [2022-12-14 09:13:06,320 WARN L623 FunctionHandler]: Unknown extern function v4l2_prio_check [2022-12-14 09:13:06,321 WARN L623 FunctionHandler]: Unknown extern function v4l2_prio_change [2022-12-14 09:13:06,321 WARN L623 FunctionHandler]: Unknown extern function v4l2_prio_check [2022-12-14 09:13:06,323 WARN L623 FunctionHandler]: Unknown extern function v4l2_prio_check [2022-12-14 09:13:06,326 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 09:13:06,330 WARN L623 FunctionHandler]: Unknown extern function v4l2_prio_check [2022-12-14 09:13:06,334 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 09:13:06,335 WARN L623 FunctionHandler]: Unknown extern function v4l2_prio_check [2022-12-14 09:13:06,337 WARN L623 FunctionHandler]: Unknown extern function v4l2_prio_check [2022-12-14 09:13:06,338 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 09:13:06,338 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:13:06,338 WARN L623 FunctionHandler]: Unknown extern function v4l2_prio_check [2022-12-14 09:13:06,339 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 09:13:06,339 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:13:06,340 WARN L623 FunctionHandler]: Unknown extern function v4l2_prio_check [2022-12-14 09:13:06,340 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 09:13:06,340 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:13:06,341 WARN L623 FunctionHandler]: Unknown extern function v4l2_prio_check [2022-12-14 09:13:06,341 WARN L623 FunctionHandler]: Unknown extern function v4l2_event_subscribe [2022-12-14 09:13:06,341 WARN L623 FunctionHandler]: Unknown extern function v4l2_event_unsubscribe [2022-12-14 09:13:06,342 WARN L623 FunctionHandler]: Unknown extern function v4l2_event_dequeue [2022-12-14 09:13:06,342 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,342 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,343 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,344 WARN L623 FunctionHandler]: Unknown extern function v4l_printk_ioctl [2022-12-14 09:13:06,344 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,344 WARN L623 FunctionHandler]: Unknown extern function video_usercopy [2022-12-14 09:13:06,345 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-14 09:13:06,345 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-14 09:13:06,346 WARN L623 FunctionHandler]: Unknown extern function compat_alloc_user_space [2022-12-14 09:13:06,346 WARN L623 FunctionHandler]: Unknown extern function copy_in_user [2022-12-14 09:13:06,347 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 09:13:06,347 WARN L623 FunctionHandler]: Unknown extern function __clear_user [2022-12-14 09:13:06,347 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 09:13:06,347 WARN L623 FunctionHandler]: Unknown extern function copy_in_user [2022-12-14 09:13:06,348 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-14 09:13:06,349 WARN L623 FunctionHandler]: Unknown extern function compat_alloc_user_space [2022-12-14 09:13:06,349 WARN L623 FunctionHandler]: Unknown extern function copy_in_user [2022-12-14 09:13:06,350 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 09:13:06,350 WARN L623 FunctionHandler]: Unknown extern function copy_in_user [2022-12-14 09:13:06,352 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,352 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,353 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,357 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-14 09:13:06,359 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-14 09:13:06,361 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,365 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,366 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,366 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,368 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:06,371 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,371 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:06,373 WARN L623 FunctionHandler]: Unknown extern function usb_get_current_frame_number [2022-12-14 09:13:06,374 WARN L623 FunctionHandler]: Unknown extern function ktime_get_ts [2022-12-14 09:13:06,376 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 09:13:06,376 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:06,378 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,379 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,380 WARN L623 FunctionHandler]: Unknown extern function ktime_get_ts [2022-12-14 09:13:06,383 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,385 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-12-14 09:13:06,385 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-12-14 09:13:06,386 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-12-14 09:13:06,386 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-12-14 09:13:06,386 WARN L623 FunctionHandler]: Unknown extern function ktime_get_ts [2022-12-14 09:13:06,387 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,388 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,388 WARN L623 FunctionHandler]: Unknown extern function ktime_get_ts [2022-12-14 09:13:06,388 WARN L623 FunctionHandler]: Unknown extern function getnstimeofday [2022-12-14 09:13:06,389 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,389 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,390 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,390 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,391 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,395 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,397 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-14 09:13:06,398 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,398 WARN L623 FunctionHandler]: Unknown extern function usb_free_coherent [2022-12-14 09:13:06,399 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_coherent [2022-12-14 09:13:06,430 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,430 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,430 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 09:13:06,430 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-14 09:13:06,432 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-14 09:13:06,437 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-14 09:13:06,439 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,439 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,440 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,440 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,441 WARN L623 FunctionHandler]: Unknown extern function usb_set_interface [2022-12-14 09:13:06,442 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-14 09:13:06,442 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,442 WARN L623 FunctionHandler]: Unknown extern function usb_set_interface [2022-12-14 09:13:06,443 WARN L623 FunctionHandler]: Unknown extern function usb_set_interface [2022-12-14 09:13:06,444 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,445 WARN L623 FunctionHandler]: Unknown extern function usb_set_interface [2022-12-14 09:13:06,446 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,454 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,455 WARN L623 FunctionHandler]: Unknown extern function usb_set_interface [2022-12-14 09:13:06,456 WARN L623 FunctionHandler]: Unknown extern function usb_set_interface [2022-12-14 09:13:06,457 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 09:13:06,457 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 09:13:06,457 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 09:13:06,458 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 09:13:06,458 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 09:13:06,458 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 09:13:06,458 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-14 09:13:06,466 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 09:13:06,467 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 09:13:06,467 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 09:13:06,467 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 09:13:06,469 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,477 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,481 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 09:13:06,485 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-14 09:13:06,486 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:13:06,486 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-14 09:13:06,487 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 09:13:06,487 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:13:06,489 WARN L623 FunctionHandler]: Unknown extern function v4l2_event_queue_fh [2022-12-14 09:13:06,494 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-14 09:13:06,494 WARN L623 FunctionHandler]: Unknown extern function v4l2_event_queue_fh [2022-12-14 09:13:06,495 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:13:06,495 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 09:13:06,495 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 09:13:06,495 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:13:06,495 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-14 09:13:06,499 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:13:06,507 WARN L623 FunctionHandler]: Unknown extern function usb_match_one_id [2022-12-14 09:13:06,508 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,508 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,509 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,509 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:06,510 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,511 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,511 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,512 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-14 09:13:06,517 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:06,517 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:13:06,518 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,519 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,519 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:06,520 WARN L623 FunctionHandler]: Unknown extern function kmemdup [2022-12-14 09:13:06,521 WARN L623 FunctionHandler]: Unknown extern function kmemdup [2022-12-14 09:13:06,521 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:06,522 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,524 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,525 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-14 09:13:06,525 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,526 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,526 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:13:06,530 WARN L623 FunctionHandler]: Unknown extern function usb_match_one_id [2022-12-14 09:13:06,531 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,545 WARN L623 FunctionHandler]: Unknown extern function memweight [2022-12-14 09:13:06,548 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 09:13:06,548 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:06,549 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:06,549 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:06,550 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:06,551 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_merge [2022-12-14 09:13:06,551 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_replace [2022-12-14 09:13:06,553 WARN L623 FunctionHandler]: Unknown extern function input_event [2022-12-14 09:13:06,553 WARN L623 FunctionHandler]: Unknown extern function input_event [2022-12-14 09:13:06,554 WARN L623 FunctionHandler]: Unknown extern function strlcat [2022-12-14 09:13:06,555 WARN L623 FunctionHandler]: Unknown extern function input_register_device [2022-12-14 09:13:06,556 WARN L623 FunctionHandler]: Unknown extern function input_free_device [2022-12-14 09:13:06,557 WARN L623 FunctionHandler]: Unknown extern function input_unregister_device [2022-12-14 09:13:06,560 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,560 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,561 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,562 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,562 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,563 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,564 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,564 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-14 09:13:06,564 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,565 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-14 09:13:06,565 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:06,566 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 09:13:06,566 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-14 09:13:06,566 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:06,567 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-14 09:13:06,567 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 09:13:06,568 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 09:13:06,568 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 09:13:06,568 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,569 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,569 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,570 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,572 WARN L623 FunctionHandler]: Unknown extern function simple_read_from_buffer [2022-12-14 09:13:06,572 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:13:06,573 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:13:06,574 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_dir [2022-12-14 09:13:06,574 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,574 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_file [2022-12-14 09:13:06,574 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,575 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove_recursive [2022-12-14 09:13:06,575 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_dir [2022-12-14 09:13:06,575 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,576 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove_recursive [2022-12-14 09:13:06,578 WARN L623 FunctionHandler]: Unknown extern function no_llseek [2022-12-14 09:13:06,581 WARN L623 FunctionHandler]: Unknown extern function media_entity_create_link [2022-12-14 09:13:06,582 WARN L623 FunctionHandler]: Unknown extern function v4l2_device_register_subdev [2022-12-14 09:13:06,584 WARN L623 FunctionHandler]: Unknown extern function media_entity_cleanup [2022-12-14 09:13:06,585 WARN L623 FunctionHandler]: Unknown extern function media_entity_cleanup [2022-12-14 09:13:06,585 WARN L623 FunctionHandler]: Unknown extern function v4l2_subdev_init [2022-12-14 09:13:06,585 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 09:13:06,585 WARN L623 FunctionHandler]: Unknown extern function media_entity_init [2022-12-14 09:13:06,586 WARN L623 FunctionHandler]: Unknown extern function media_entity_init [2022-12-14 09:13:06,586 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,587 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:13:06,589 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-14 09:13:06,589 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 09:13:06,590 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 09:13:06,603 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52530a7d-f9e7-4bd2-9e87-db1ec3370591/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i[622320,622333] [2022-12-14 09:13:06,603 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52530a7d-f9e7-4bd2-9e87-db1ec3370591/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i[622489,622502] [2022-12-14 09:13:06,603 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52530a7d-f9e7-4bd2-9e87-db1ec3370591/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i[622656,622669] [2022-12-14 09:13:06,604 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52530a7d-f9e7-4bd2-9e87-db1ec3370591/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i[622824,622837] [2022-12-14 09:13:06,605 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:06,605 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:06,605 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:06,606 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:06,607 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:06,607 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:06,608 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:06,608 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:06,608 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:06,610 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:06,611 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:06,611 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:13:06,612 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:13:06,801 INFO L208 MainTranslator]: Completed translation [2022-12-14 09:13:06,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:06 WrapperNode [2022-12-14 09:13:06,801 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 09:13:06,802 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 09:13:06,802 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 09:13:06,802 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 09:13:06,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:06" (1/1) ... [2022-12-14 09:13:06,912 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:06" (1/1) ... [2022-12-14 09:13:07,214 INFO L138 Inliner]: procedures = 616, calls = 8983, calls flagged for inlining = 315, calls inlined = 243, statements flattened = 13566 [2022-12-14 09:13:07,215 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 09:13:07,215 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 09:13:07,216 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 09:13:07,216 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 09:13:07,226 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:06" (1/1) ... [2022-12-14 09:13:07,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:06" (1/1) ... [2022-12-14 09:13:07,332 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:06" (1/1) ... [2022-12-14 09:13:07,333 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:06" (1/1) ... [2022-12-14 09:13:07,526 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:06" (1/1) ... [2022-12-14 09:13:07,553 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:06" (1/1) ... [2022-12-14 09:13:07,604 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:06" (1/1) ... [2022-12-14 09:13:07,624 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:06" (1/1) ... [2022-12-14 09:13:07,697 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 09:13:07,698 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 09:13:07,698 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 09:13:07,698 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 09:13:07,699 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:06" (1/1) ... [2022-12-14 09:13:07,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:13:07,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52530a7d-f9e7-4bd2-9e87-db1ec3370591/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:13:07,721 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52530a7d-f9e7-4bd2-9e87-db1ec3370591/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 09:13:07,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52530a7d-f9e7-4bd2-9e87-db1ec3370591/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 09:13:07,776 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-12-14 09:13:07,776 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-12-14 09:13:07,776 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-12-14 09:13:07,776 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-12-14 09:13:07,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 09:13:07,777 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 09:13:07,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 09:13:07,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 09:13:07,777 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_read [2022-12-14 09:13:07,777 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_read [2022-12-14 09:13:07,777 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_release [2022-12-14 09:13:07,777 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_release [2022-12-14 09:13:07,777 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_find_control [2022-12-14 09:13:07,777 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_find_control [2022-12-14 09:13:07,777 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2022-12-14 09:13:07,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2022-12-14 09:13:07,777 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_ctrl_add_mapping [2022-12-14 09:13:07,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_ctrl_add_mapping [2022-12-14 09:13:07,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-14 09:13:07,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-14 09:13:07,778 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_buffer_finish [2022-12-14 09:13:07,778 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_buffer_finish [2022-12-14 09:13:07,778 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2022-12-14 09:13:07,778 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2022-12-14 09:13:07,778 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2022-12-14 09:13:07,778 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_wait_prepare [2022-12-14 09:13:07,778 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_wait_prepare [2022-12-14 09:13:07,778 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_alloc_urb_buffers [2022-12-14 09:13:07,778 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_alloc_urb_buffers [2022-12-14 09:13:07,778 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_clock_reset [2022-12-14 09:13:07,778 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_clock_reset [2022-12-14 09:13:07,778 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_one_id [2022-12-14 09:13:07,779 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_match_one_id [2022-12-14 09:13:07,779 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-14 09:13:07,779 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-14 09:13:07,779 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-12-14 09:13:07,779 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get_ts [2022-12-14 09:13:07,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get_ts [2022-12-14 09:13:07,779 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_entity_by_id [2022-12-14 09:13:07,779 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_entity_by_id [2022-12-14 09:13:07,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-14 09:13:07,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-14 09:13:07,779 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-12-14 09:13:07,779 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-12-14 09:13:07,779 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-12-14 09:13:07,779 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-12-14 09:13:07,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_49 [2022-12-14 09:13:07,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_49 [2022-12-14 09:13:07,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-14 09:13:07,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-14 09:13:07,780 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-14 09:13:07,780 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-14 09:13:07,780 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2022-12-14 09:13:07,780 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2022-12-14 09:13:07,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 09:13:07,780 INFO L130 BoogieDeclarations]: Found specification of procedure __chk_range_not_ok [2022-12-14 09:13:07,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __chk_range_not_ok [2022-12-14 09:13:07,780 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_query_v4l2_ctrl [2022-12-14 09:13:07,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_query_v4l2_ctrl [2022-12-14 09:13:07,780 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_data [2022-12-14 09:13:07,780 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_data [2022-12-14 09:13:07,780 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-12-14 09:13:07,780 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-12-14 09:13:07,780 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-12-14 09:13:07,780 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-12-14 09:13:07,781 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_ioctl [2022-12-14 09:13:07,781 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_ioctl [2022-12-14 09:13:07,781 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-14 09:13:07,781 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-14 09:13:07,781 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_populate_cache [2022-12-14 09:13:07,781 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_populate_cache [2022-12-14 09:13:07,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-14 09:13:07,781 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_add_info [2022-12-14 09:13:07,781 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_add_info [2022-12-14 09:13:07,781 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-12-14 09:13:07,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-12-14 09:13:07,781 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_buffer_done [2022-12-14 09:13:07,781 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_buffer_done [2022-12-14 09:13:07,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 09:13:07,781 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_query_ctrl [2022-12-14 09:13:07,782 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_query_ctrl [2022-12-14 09:13:07,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-14 09:13:07,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-14 09:13:07,782 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_wait_finish [2022-12-14 09:13:07,782 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_wait_finish [2022-12-14 09:13:07,782 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_reset_resume [2022-12-14 09:13:07,782 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_reset_resume [2022-12-14 09:13:07,782 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2022-12-14 09:13:07,782 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2022-12-14 09:13:07,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 09:13:07,782 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user [2022-12-14 09:13:07,782 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user [2022-12-14 09:13:07,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-14 09:13:07,782 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-14 09:13:07,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-12-14 09:13:07,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-12-14 09:13:07,783 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-12-14 09:13:07,783 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-12-14 09:13:07,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-12-14 09:13:07,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-12-14 09:13:07,783 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_scan_chain_forward [2022-12-14 09:13:07,783 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_scan_chain_forward [2022-12-14 09:13:07,783 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2022-12-14 09:13:07,783 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2022-12-14 09:13:07,783 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_commit_video [2022-12-14 09:13:07,783 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_commit_video [2022-12-14 09:13:07,783 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2022-12-14 09:13:07,783 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-12-14 09:13:07,783 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-12-14 09:13:07,783 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2022-12-14 09:13:07,783 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2022-12-14 09:13:07,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-12-14 09:13:07,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-12-14 09:13:07,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 09:13:07,784 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2022-12-14 09:13:07,784 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2022-12-14 09:13:07,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-12-14 09:13:07,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-12-14 09:13:07,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-12-14 09:13:07,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-12-14 09:13:07,784 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_ctrl_get [2022-12-14 09:13:07,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_ctrl_get [2022-12-14 09:13:07,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 09:13:07,784 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_find_endpoint [2022-12-14 09:13:07,784 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_find_endpoint [2022-12-14 09:13:07,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-14 09:13:07,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-14 09:13:07,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 09:13:07,784 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-14 09:13:07,784 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_endpoint_max_bpi [2022-12-14 09:13:07,784 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_endpoint_max_bpi [2022-12-14 09:13:07,784 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-12-14 09:13:07,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-12-14 09:13:07,784 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_set_video_ctrl [2022-12-14 09:13:07,785 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_set_video_ctrl [2022-12-14 09:13:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-12-14 09:13:07,785 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-12-14 09:13:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_delete [2022-12-14 09:13:07,785 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_delete [2022-12-14 09:13:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_commit_entity [2022-12-14 09:13:07,785 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_commit_entity [2022-12-14 09:13:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_free_urb_buffers [2022-12-14 09:13:07,785 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_free_urb_buffers [2022-12-14 09:13:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-12-14 09:13:07,785 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-12-14 09:13:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_del_event [2022-12-14 09:13:07,785 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_del_event [2022-12-14 09:13:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user [2022-12-14 09:13:07,785 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user [2022-12-14 09:13:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_open [2022-12-14 09:13:07,785 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_open [2022-12-14 09:13:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 09:13:07,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 09:13:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-12-14 09:13:07,785 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-12-14 09:13:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 09:13:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 09:13:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 09:13:07,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 09:13:07,786 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2022-12-14 09:13:07,786 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2022-12-14 09:13:07,786 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_fill_event [2022-12-14 09:13:07,786 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_fill_event [2022-12-14 09:13:07,786 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2022-12-14 09:13:07,786 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2022-12-14 09:13:07,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-14 09:13:07,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-14 09:13:07,786 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_get_plane_payload [2022-12-14 09:13:07,786 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_get_plane_payload [2022-12-14 09:13:07,786 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2022-12-14 09:13:07,786 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2022-12-14 09:13:07,786 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2022-12-14 09:13:07,786 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2022-12-14 09:13:07,786 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release [2022-12-14 09:13:07,786 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release [2022-12-14 09:13:07,786 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2022-12-14 09:13:07,786 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2022-12-14 09:13:07,786 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_debugfs_cleanup [2022-12-14 09:13:07,786 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_debugfs_cleanup [2022-12-14 09:13:07,786 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2022-12-14 09:13:07,786 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2022-12-14 09:13:07,786 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-12-14 09:13:07,786 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-12-14 09:13:07,786 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_queue_fh [2022-12-14 09:13:07,787 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_queue_fh [2022-12-14 09:13:07,787 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_init_video [2022-12-14 09:13:07,787 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_init_video [2022-12-14 09:13:07,787 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_status_start [2022-12-14 09:13:07,787 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_status_start [2022-12-14 09:13:07,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 09:13:07,787 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 09:13:07,787 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_intf [2022-12-14 09:13:07,787 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_intf [2022-12-14 09:13:07,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_5_4 [2022-12-14 09:13:07,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_5_4 [2022-12-14 09:13:07,787 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2022-12-14 09:13:07,787 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2022-12-14 09:13:07,787 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_find_control [2022-12-14 09:13:07,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_find_control [2022-12-14 09:13:07,787 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_clock_cleanup [2022-12-14 09:13:07,787 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_clock_cleanup [2022-12-14 09:13:07,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-12-14 09:13:07,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-12-14 09:13:07,787 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-12-14 09:13:07,787 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-12-14 09:13:07,787 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2022-12-14 09:13:07,787 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2022-12-14 09:13:07,787 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_buffer_prepare [2022-12-14 09:13:07,788 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_buffer_prepare [2022-12-14 09:13:07,788 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-12-14 09:13:07,788 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-12-14 09:13:07,788 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_set_zoom [2022-12-14 09:13:07,788 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_set_zoom [2022-12-14 09:13:07,788 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_test_bit [2022-12-14 09:13:07,788 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_test_bit [2022-12-14 09:13:07,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 09:13:07,788 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-14 09:13:07,788 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-14 09:13:07,788 INFO L130 BoogieDeclarations]: Found specification of procedure copy_in_user [2022-12-14 09:13:07,788 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_in_user [2022-12-14 09:13:07,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 09:13:07,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_uvc_cleanup_10_2 [2022-12-14 09:13:07,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_uvc_cleanup_10_2 [2022-12-14 09:13:07,788 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_status_stop [2022-12-14 09:13:07,788 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_status_stop [2022-12-14 09:13:07,788 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_alloc_entity [2022-12-14 09:13:07,788 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_alloc_entity [2022-12-14 09:13:07,788 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2022-12-14 09:13:07,788 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2022-12-14 09:13:07,788 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_query_ctrl [2022-12-14 09:13:07,788 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_query_ctrl [2022-12-14 09:13:07,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 09:13:07,788 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-12-14 09:13:07,789 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-12-14 09:13:07,789 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-12-14 09:13:07,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-12-14 09:13:07,789 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-12-14 09:13:07,789 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-12-14 09:13:07,789 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_dismiss_privileges [2022-12-14 09:13:07,789 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_dismiss_privileges [2022-12-14 09:13:07,789 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-12-14 09:13:07,789 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-12-14 09:13:07,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irqlock_of_uvc_video_queue [2022-12-14 09:13:07,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irqlock_of_uvc_video_queue [2022-12-14 09:13:07,789 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-12-14 09:13:07,789 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-12-14 09:13:07,789 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~__u8~0~X~$Pointer$~TO~~__s32~0 [2022-12-14 09:13:07,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~__u8~0~X~$Pointer$~TO~~__s32~0 [2022-12-14 09:13:07,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-14 09:13:07,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-14 09:13:07,789 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_clock_host_sof [2022-12-14 09:13:07,789 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_clock_host_sof [2022-12-14 09:13:07,789 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-12-14 09:13:07,789 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-12-14 09:13:07,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-14 09:13:07,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-14 09:13:07,789 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-12-14 09:13:07,790 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-12-14 09:13:07,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_uvc_clock [2022-12-14 09:13:07,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_uvc_clock [2022-12-14 09:13:07,790 INFO L130 BoogieDeclarations]: Found specification of procedure compat_alloc_user_space [2022-12-14 09:13:07,790 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_alloc_user_space [2022-12-14 09:13:07,790 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_plane_size [2022-12-14 09:13:07,790 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_plane_size [2022-12-14 09:13:07,790 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface [2022-12-14 09:13:07,790 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface [2022-12-14 09:13:07,790 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_print_terms [2022-12-14 09:13:07,790 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_print_terms [2022-12-14 09:13:07,790 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-12-14 09:13:07,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-12-14 09:13:07,790 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_has_privileges [2022-12-14 09:13:07,790 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_has_privileges [2022-12-14 09:13:07,790 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_enable [2022-12-14 09:13:07,790 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_enable [2022-12-14 09:13:07,790 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 09:13:07,790 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 09:13:07,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 09:13:07,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 09:13:07,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 09:13:07,790 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2022-12-14 09:13:07,790 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2022-12-14 09:13:07,790 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_init [2022-12-14 09:13:07,791 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_init [2022-12-14 09:13:07,791 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-12-14 09:13:07,791 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-12-14 09:13:07,791 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_entity_match_guid [2022-12-14 09:13:07,791 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_entity_match_guid [2022-12-14 09:13:07,791 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-12-14 09:13:07,791 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-12-14 09:13:07,791 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_uninit_video [2022-12-14 09:13:07,791 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_uninit_video [2022-12-14 09:13:07,791 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_debugfs_cleanup_stream [2022-12-14 09:13:07,791 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_debugfs_cleanup_stream [2022-12-14 09:13:07,791 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2022-12-14 09:13:07,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2022-12-14 09:13:07,791 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_queue_enable [2022-12-14 09:13:07,791 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_queue_enable [2022-12-14 09:13:07,791 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_get_video_ctrl [2022-12-14 09:13:07,791 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_get_video_ctrl [2022-12-14 09:13:07,791 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2022-12-14 09:13:07,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2022-12-14 09:13:07,791 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-12-14 09:13:07,791 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-12-14 09:13:07,791 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_get_drv_priv [2022-12-14 09:13:07,791 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_get_drv_priv [2022-12-14 09:13:07,791 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2022-12-14 09:13:07,792 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2022-12-14 09:13:07,792 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-12-14 09:13:07,792 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-12-14 09:13:07,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_49___0 [2022-12-14 09:13:07,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_49___0 [2022-12-14 09:13:07,792 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_buffer_queue [2022-12-14 09:13:07,792 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_buffer_queue [2022-12-14 09:13:07,792 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_resume [2022-12-14 09:13:07,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_resume [2022-12-14 09:13:07,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-14 09:13:07,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-14 09:13:07,792 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_unregister_video [2022-12-14 09:13:07,792 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_unregister_video [2022-12-14 09:13:07,792 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intf [2022-12-14 09:13:07,792 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intf [2022-12-14 09:13:07,792 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_resume [2022-12-14 09:13:07,792 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_resume [2022-12-14 09:13:07,792 INFO L130 BoogieDeclarations]: Found specification of procedure kmemdup [2022-12-14 09:13:07,792 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemdup [2022-12-14 09:13:07,792 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_cleanup [2022-12-14 09:13:07,792 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_cleanup [2022-12-14 09:13:07,792 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_queue_streaming [2022-12-14 09:13:07,792 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_queue_streaming [2022-12-14 09:13:07,792 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_disconnect [2022-12-14 09:13:07,792 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_disconnect [2022-12-14 09:13:07,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 09:13:07,793 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2022-12-14 09:13:07,793 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2022-12-14 09:13:07,793 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_get_zoom [2022-12-14 09:13:07,793 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_get_zoom [2022-12-14 09:13:07,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-12-14 09:13:07,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-12-14 09:13:08,614 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 09:13:08,616 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 09:13:08,745 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 09:13:09,024 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint __copy_to_user_nocheck_case_8#1: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-12-14 09:13:09,024 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint __copy_to_user_nocheck_case_4#1: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-12-14 09:13:09,024 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11849: assume 0 != __copy_to_user_nocheck_~tmp___1~14#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-12-14 09:13:09,024 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11849: assume !(0 != __copy_to_user_nocheck_~tmp___1~14#1);__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-12-14 09:13:09,025 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint __copy_to_user_nocheck_case_2#1: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-12-14 09:13:09,025 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11804: assume 10 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-12-14 09:13:09,025 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11804: assume !(10 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-12-14 09:13:09,025 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11808: assume 16 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-12-14 09:13:09,025 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11808: assume !(16 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-12-14 09:13:09,025 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11796: assume 4 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-12-14 09:13:09,025 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11796: assume !(4 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-12-14 09:13:09,025 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11800: assume 8 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-12-14 09:13:09,025 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11800: assume !(8 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-12-14 09:13:09,025 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11833: assume -9223372036854775808 <= __copy_to_user_nocheck_#t~ret1070#1 && __copy_to_user_nocheck_#t~ret1070#1 <= 9223372036854775807;__copy_to_user_nocheck_~tmp___0~24#1 := __copy_to_user_nocheck_#t~ret1070#1;havoc __copy_to_user_nocheck_#t~ret1070#1; [2022-12-14 09:13:09,025 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11792: assume 2 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-12-14 09:13:09,026 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11792: assume !(2 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-12-14 09:13:09,026 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint __copy_to_user_nocheck_case_16#1: SUMMARY for call __copy_to_user_nocheck_#t~ret1071#1 := ldv__builtin_expect((if 0 != __copy_to_user_nocheck_~ret~18#1 then 1 else 0), 0); srcloc: null [2022-12-14 09:13:09,026 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint __copy_to_user_nocheck_case_10#1: SUMMARY for call __copy_to_user_nocheck_#t~ret1070#1 := ldv__builtin_expect((if 0 != __copy_to_user_nocheck_~ret~18#1 then 1 else 0), 0); srcloc: null [2022-12-14 09:13:09,026 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11859: __copy_to_user_nocheck_~tmp___2~11#1 := __copy_to_user_nocheck_#t~ret1072#1;havoc __copy_to_user_nocheck_#t~ret1072#1;__copy_to_user_nocheck_#res#1 := (if __copy_to_user_nocheck_~tmp___2~11#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_to_user_nocheck_~tmp___2~11#1 % 18446744073709551616 % 4294967296 else __copy_to_user_nocheck_~tmp___2~11#1 % 18446744073709551616 % 4294967296 - 4294967296); [2022-12-14 09:13:09,026 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume 1 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-12-14 09:13:09,026 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint __copy_to_user_nocheck_case_1#1: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-12-14 09:13:09,026 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !(1 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-12-14 09:13:09,026 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint __copy_to_user_nocheck_switch_default#1: SUMMARY for call __copy_to_user_nocheck_#t~ret1072#1 := copy_user_generic(__copy_to_user_nocheck_~dst#1.base, __copy_to_user_nocheck_~dst#1.offset, __copy_to_user_nocheck_~src#1.base, __copy_to_user_nocheck_~src#1.offset, __copy_to_user_nocheck_~size#1); srcloc: null [2022-12-14 09:13:09,026 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11847: assume -9223372036854775808 <= __copy_to_user_nocheck_#t~ret1071#1 && __copy_to_user_nocheck_#t~ret1071#1 <= 9223372036854775807;__copy_to_user_nocheck_~tmp___1~14#1 := __copy_to_user_nocheck_#t~ret1071#1;havoc __copy_to_user_nocheck_#t~ret1071#1; [2022-12-14 09:13:09,026 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11835: assume 0 != __copy_to_user_nocheck_~tmp___0~24#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-12-14 09:13:09,026 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11835: assume !(0 != __copy_to_user_nocheck_~tmp___0~24#1);__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-12-14 09:13:11,437 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint __copy_from_user_nocheck_switch_default#1: SUMMARY for call __copy_from_user_nocheck_#t~ret1067#1 := copy_user_generic(__copy_from_user_nocheck_~dst#1.base, __copy_from_user_nocheck_~dst#1.offset, __copy_from_user_nocheck_~src#1.base, __copy_from_user_nocheck_~src#1.offset, __copy_from_user_nocheck_~size#1); srcloc: null [2022-12-14 09:13:11,437 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint __copy_from_user_nocheck_case_2#1: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-12-14 09:13:11,437 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint __copy_from_user_nocheck_case_4#1: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-12-14 09:13:11,437 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11729: assume -9223372036854775808 <= __copy_from_user_nocheck_#t~ret1065#1 && __copy_from_user_nocheck_#t~ret1065#1 <= 9223372036854775807;__copy_from_user_nocheck_~tmp___0~23#1 := __copy_from_user_nocheck_#t~ret1065#1;havoc __copy_from_user_nocheck_#t~ret1065#1; [2022-12-14 09:13:11,437 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint __copy_from_user_nocheck_case_8#1: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-12-14 09:13:11,437 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11746: assume 0 != __copy_from_user_nocheck_~tmp___1~13#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-12-14 09:13:11,437 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11746: assume !(0 != __copy_from_user_nocheck_~tmp___1~13#1);__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-12-14 09:13:11,438 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint __copy_from_user_nocheck_case_16#1: SUMMARY for call __copy_from_user_nocheck_#t~ret1066#1 := ldv__builtin_expect((if 0 != __copy_from_user_nocheck_~ret~17#1 then 1 else 0), 0); srcloc: null [2022-12-14 09:13:11,438 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11731: assume 0 != __copy_from_user_nocheck_~tmp___0~23#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-12-14 09:13:11,438 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11731: assume !(0 != __copy_from_user_nocheck_~tmp___0~23#1);__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-12-14 09:13:11,438 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11756: __copy_from_user_nocheck_~tmp___2~10#1 := __copy_from_user_nocheck_#t~ret1067#1;havoc __copy_from_user_nocheck_#t~ret1067#1;__copy_from_user_nocheck_#res#1 := (if __copy_from_user_nocheck_~tmp___2~10#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_from_user_nocheck_~tmp___2~10#1 % 18446744073709551616 % 4294967296 else __copy_from_user_nocheck_~tmp___2~10#1 % 18446744073709551616 % 4294967296 - 4294967296); [2022-12-14 09:13:11,438 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint __copy_from_user_nocheck_case_1#1: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-12-14 09:13:11,438 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume 1 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-12-14 09:13:11,438 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !(1 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-12-14 09:13:11,438 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11744: assume -9223372036854775808 <= __copy_from_user_nocheck_#t~ret1066#1 && __copy_from_user_nocheck_#t~ret1066#1 <= 9223372036854775807;__copy_from_user_nocheck_~tmp___1~13#1 := __copy_from_user_nocheck_#t~ret1066#1;havoc __copy_from_user_nocheck_#t~ret1066#1; [2022-12-14 09:13:11,438 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11699: assume 16 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-12-14 09:13:11,438 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11699: assume !(16 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-12-14 09:13:11,438 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11691: assume 8 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-12-14 09:13:11,438 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11691: assume !(8 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-12-14 09:13:11,438 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11695: assume 10 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-12-14 09:13:11,439 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11695: assume !(10 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-12-14 09:13:11,439 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11683: assume 2 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-12-14 09:13:11,439 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11683: assume !(2 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-12-14 09:13:11,439 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint __copy_from_user_nocheck_case_10#1: SUMMARY for call __copy_from_user_nocheck_#t~ret1065#1 := ldv__builtin_expect((if 0 != __copy_from_user_nocheck_~ret~17#1 then 1 else 0), 0); srcloc: null [2022-12-14 09:13:11,439 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11687: assume 4 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-12-14 09:13:11,439 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11687: assume !(4 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-12-14 09:16:07,419 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-12-14 09:16:07,475 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 09:16:10,256 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 09:16:10,257 INFO L300 CfgBuilder]: Removed 9 assume(true) statements. [2022-12-14 09:16:10,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:16:10 BoogieIcfgContainer [2022-12-14 09:16:10,261 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 09:16:10,262 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 09:16:10,263 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 09:16:10,265 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 09:16:10,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 09:13:01" (1/3) ... [2022-12-14 09:16:10,265 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b412cbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:16:10, skipping insertion in model container [2022-12-14 09:16:10,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:13:06" (2/3) ... [2022-12-14 09:16:10,266 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b412cbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:16:10, skipping insertion in model container [2022-12-14 09:16:10,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:16:10" (3/3) ... [2022-12-14 09:16:10,267 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-uvc-uvcvideo.cil.i [2022-12-14 09:16:10,280 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 09:16:10,280 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-12-14 09:16:10,344 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 09:16:10,348 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@4a0c6b35, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 09:16:10,349 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-14 09:16:10,357 INFO L276 IsEmpty]: Start isEmpty. Operand has 2331 states, 1500 states have (on average 1.37) internal successors, (2055), 1520 states have internal predecessors, (2055), 670 states have call successors, (670), 159 states have call predecessors, (670), 158 states have return successors, (661), 655 states have call predecessors, (661), 661 states have call successors, (661) [2022-12-14 09:16:10,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2022-12-14 09:16:10,377 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:16:10,378 INFO L195 NwaCegarLoop]: trace histogram [32, 31, 31, 31, 31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:16:10,378 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 09:16:10,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:16:10,382 INFO L85 PathProgramCache]: Analyzing trace with hash -1478039176, now seen corresponding path program 1 times [2022-12-14 09:16:10,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:16:10,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28743355] [2022-12-14 09:16:10,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:16:10,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:16:10,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:16:11,964 INFO L134 CoverageAnalysis]: Checked inductivity of 3782 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3782 trivial. 0 not checked. [2022-12-14 09:16:11,965 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:16:11,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28743355] [2022-12-14 09:16:11,966 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28743355] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:16:11,966 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:16:11,966 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 09:16:11,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933586217] [2022-12-14 09:16:11,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:16:11,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 09:16:11,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:16:12,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 09:16:12,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:16:12,011 INFO L87 Difference]: Start difference. First operand has 2331 states, 1500 states have (on average 1.37) internal successors, (2055), 1520 states have internal predecessors, (2055), 670 states have call successors, (670), 159 states have call predecessors, (670), 158 states have return successors, (661), 655 states have call predecessors, (661), 661 states have call successors, (661) Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-12-14 09:16:14,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:16:19,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:16:27,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:16:34,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:16:34,972 INFO L93 Difference]: Finished difference Result 8823 states and 12940 transitions. [2022-12-14 09:16:34,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 09:16:34,976 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 335 [2022-12-14 09:16:34,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:16:35,024 INFO L225 Difference]: With dead ends: 8823 [2022-12-14 09:16:35,024 INFO L226 Difference]: Without dead ends: 6526 [2022-12-14 09:16:35,041 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:16:35,044 INFO L413 NwaCegarLoop]: 3756 mSDtfsCounter, 6913 mSDsluCounter, 6056 mSDsCounter, 0 mSdLazyCounter, 4368 mSolverCounterSat, 342 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7224 SdHoareTripleChecker+Valid, 9812 SdHoareTripleChecker+Invalid, 4712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 342 IncrementalHoareTripleChecker+Valid, 4368 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.3s IncrementalHoareTripleChecker+Time [2022-12-14 09:16:35,045 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7224 Valid, 9812 Invalid, 4712 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [342 Valid, 4368 Invalid, 2 Unknown, 0 Unchecked, 22.3s Time] [2022-12-14 09:16:35,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6526 states. [2022-12-14 09:16:35,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6526 to 6474. [2022-12-14 09:16:35,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6474 states, 4205 states have (on average 1.370986920332937) internal successors, (5765), 4269 states have internal predecessors, (5765), 1817 states have call successors, (1817), 450 states have call predecessors, (1817), 449 states have return successors, (1813), 1787 states have call predecessors, (1813), 1813 states have call successors, (1813) [2022-12-14 09:16:35,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6474 states to 6474 states and 9395 transitions. [2022-12-14 09:16:35,473 INFO L78 Accepts]: Start accepts. Automaton has 6474 states and 9395 transitions. Word has length 335 [2022-12-14 09:16:35,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:16:35,474 INFO L495 AbstractCegarLoop]: Abstraction has 6474 states and 9395 transitions. [2022-12-14 09:16:35,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-12-14 09:16:35,475 INFO L276 IsEmpty]: Start isEmpty. Operand 6474 states and 9395 transitions. [2022-12-14 09:16:35,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2022-12-14 09:16:35,480 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:16:35,481 INFO L195 NwaCegarLoop]: trace histogram [32, 31, 31, 31, 31, 31, 31, 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] [2022-12-14 09:16:35,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 09:16:35,481 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 09:16:35,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:16:35,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1487173192, now seen corresponding path program 1 times [2022-12-14 09:16:35,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:16:35,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663113158] [2022-12-14 09:16:35,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:16:35,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:16:35,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:16:36,364 INFO L134 CoverageAnalysis]: Checked inductivity of 3785 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3785 trivial. 0 not checked. [2022-12-14 09:16:36,364 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:16:36,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663113158] [2022-12-14 09:16:36,365 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663113158] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:16:36,365 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:16:36,365 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:16:36,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004470417] [2022-12-14 09:16:36,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:16:36,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:16:36,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:16:36,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:16:36,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:16:36,368 INFO L87 Difference]: Start difference. First operand 6474 states and 9395 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-12-14 09:16:38,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:16:45,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:16:48,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:16:48,746 INFO L93 Difference]: Finished difference Result 14987 states and 21707 transitions. [2022-12-14 09:16:48,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:16:48,749 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 340 [2022-12-14 09:16:48,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:16:48,804 INFO L225 Difference]: With dead ends: 14987 [2022-12-14 09:16:48,805 INFO L226 Difference]: Without dead ends: 8576 [2022-12-14 09:16:48,815 INFO L412 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 [2022-12-14 09:16:48,816 INFO L413 NwaCegarLoop]: 3475 mSDtfsCounter, 2944 mSDsluCounter, 2762 mSDsCounter, 0 mSdLazyCounter, 1104 mSolverCounterSat, 17 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2944 SdHoareTripleChecker+Valid, 6237 SdHoareTripleChecker+Invalid, 1123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1104 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2022-12-14 09:16:48,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2944 Valid, 6237 Invalid, 1123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1104 Invalid, 2 Unknown, 0 Unchecked, 12.0s Time] [2022-12-14 09:16:48,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8576 states. [2022-12-14 09:16:49,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8576 to 8572. [2022-12-14 09:16:49,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8572 states, 5577 states have (on average 1.3682983682983683) internal successors, (7631), 5659 states have internal predecessors, (7631), 2380 states have call successors, (2380), 613 states have call predecessors, (2380), 612 states have return successors, (2376), 2345 states have call predecessors, (2376), 2376 states have call successors, (2376) [2022-12-14 09:16:49,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8572 states to 8572 states and 12387 transitions. [2022-12-14 09:16:49,077 INFO L78 Accepts]: Start accepts. Automaton has 8572 states and 12387 transitions. Word has length 340 [2022-12-14 09:16:49,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:16:49,078 INFO L495 AbstractCegarLoop]: Abstraction has 8572 states and 12387 transitions. [2022-12-14 09:16:49,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-12-14 09:16:49,078 INFO L276 IsEmpty]: Start isEmpty. Operand 8572 states and 12387 transitions. [2022-12-14 09:16:49,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2022-12-14 09:16:49,084 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:16:49,084 INFO L195 NwaCegarLoop]: trace histogram [32, 31, 31, 31, 31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:16:49,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 09:16:49,084 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 09:16:49,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:16:49,085 INFO L85 PathProgramCache]: Analyzing trace with hash 1758473740, now seen corresponding path program 1 times [2022-12-14 09:16:49,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:16:49,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027822200] [2022-12-14 09:16:49,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:16:49,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:16:49,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:16:49,887 INFO L134 CoverageAnalysis]: Checked inductivity of 3782 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3782 trivial. 0 not checked. [2022-12-14 09:16:49,887 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:16:49,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027822200] [2022-12-14 09:16:49,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027822200] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:16:49,887 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:16:49,887 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:16:49,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182213351] [2022-12-14 09:16:49,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:16:49,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:16:49,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:16:49,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:16:49,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:16:49,889 INFO L87 Difference]: Start difference. First operand 8572 states and 12387 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-12-14 09:16:52,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:16:58,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:17:00,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:17:00,601 INFO L93 Difference]: Finished difference Result 21617 states and 31014 transitions. [2022-12-14 09:17:00,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:17:00,604 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 345 [2022-12-14 09:17:00,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:17:00,646 INFO L225 Difference]: With dead ends: 21617 [2022-12-14 09:17:00,646 INFO L226 Difference]: Without dead ends: 13108 [2022-12-14 09:17:00,670 INFO L412 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 [2022-12-14 09:17:00,671 INFO L413 NwaCegarLoop]: 3257 mSDtfsCounter, 1749 mSDsluCounter, 2801 mSDsCounter, 0 mSdLazyCounter, 1096 mSolverCounterSat, 16 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1749 SdHoareTripleChecker+Valid, 6058 SdHoareTripleChecker+Invalid, 1114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1096 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2022-12-14 09:17:00,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1749 Valid, 6058 Invalid, 1114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1096 Invalid, 2 Unknown, 0 Unchecked, 10.3s Time] [2022-12-14 09:17:00,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13108 states. [2022-12-14 09:17:01,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13108 to 13078. [2022-12-14 09:17:01,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13078 states, 8404 states have (on average 1.3505473584007615) internal successors, (11350), 8526 states have internal predecessors, (11350), 3648 states have call successors, (3648), 1024 states have call predecessors, (3648), 1023 states have return successors, (3644), 3591 states have call predecessors, (3644), 3644 states have call successors, (3644) [2022-12-14 09:17:01,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13078 states to 13078 states and 18642 transitions. [2022-12-14 09:17:01,055 INFO L78 Accepts]: Start accepts. Automaton has 13078 states and 18642 transitions. Word has length 345 [2022-12-14 09:17:01,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:17:01,056 INFO L495 AbstractCegarLoop]: Abstraction has 13078 states and 18642 transitions. [2022-12-14 09:17:01,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-12-14 09:17:01,056 INFO L276 IsEmpty]: Start isEmpty. Operand 13078 states and 18642 transitions. [2022-12-14 09:17:01,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2022-12-14 09:17:01,062 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:17:01,062 INFO L195 NwaCegarLoop]: trace histogram [32, 31, 31, 31, 31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:17:01,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 09:17:01,063 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 09:17:01,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:17:01,063 INFO L85 PathProgramCache]: Analyzing trace with hash -2033300228, now seen corresponding path program 1 times [2022-12-14 09:17:01,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:17:01,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101481959] [2022-12-14 09:17:01,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:17:01,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:17:01,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:17:01,850 INFO L134 CoverageAnalysis]: Checked inductivity of 3782 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3782 trivial. 0 not checked. [2022-12-14 09:17:01,850 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:17:01,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101481959] [2022-12-14 09:17:01,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101481959] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:17:01,851 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:17:01,851 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:17:01,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280484543] [2022-12-14 09:17:01,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:17:01,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:17:01,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:17:01,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:17:01,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:17:01,852 INFO L87 Difference]: Start difference. First operand 13078 states and 18642 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2022-12-14 09:17:04,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:17:09,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:17:12,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:17:12,878 INFO L93 Difference]: Finished difference Result 33027 states and 47114 transitions. [2022-12-14 09:17:12,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:17:12,882 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 363 [2022-12-14 09:17:12,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:17:12,933 INFO L225 Difference]: With dead ends: 33027 [2022-12-14 09:17:12,933 INFO L226 Difference]: Without dead ends: 20012 [2022-12-14 09:17:12,955 INFO L412 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 [2022-12-14 09:17:12,956 INFO L413 NwaCegarLoop]: 3469 mSDtfsCounter, 2809 mSDsluCounter, 2799 mSDsCounter, 0 mSdLazyCounter, 1093 mSolverCounterSat, 13 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2809 SdHoareTripleChecker+Valid, 6268 SdHoareTripleChecker+Invalid, 1108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1093 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2022-12-14 09:17:12,956 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2809 Valid, 6268 Invalid, 1108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1093 Invalid, 2 Unknown, 0 Unchecked, 10.5s Time] [2022-12-14 09:17:12,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20012 states. [2022-12-14 09:17:13,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20012 to 19978. [2022-12-14 09:17:13,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19978 states, 12946 states have (on average 1.3541634481693188) internal successors, (17531), 13168 states have internal predecessors, (17531), 5460 states have call successors, (5460), 1570 states have call predecessors, (5460), 1569 states have return successors, (5456), 5342 states have call predecessors, (5456), 5456 states have call successors, (5456) [2022-12-14 09:17:13,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19978 states to 19978 states and 28447 transitions. [2022-12-14 09:17:13,504 INFO L78 Accepts]: Start accepts. Automaton has 19978 states and 28447 transitions. Word has length 363 [2022-12-14 09:17:13,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:17:13,505 INFO L495 AbstractCegarLoop]: Abstraction has 19978 states and 28447 transitions. [2022-12-14 09:17:13,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2022-12-14 09:17:13,505 INFO L276 IsEmpty]: Start isEmpty. Operand 19978 states and 28447 transitions. [2022-12-14 09:17:13,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2022-12-14 09:17:13,508 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:17:13,508 INFO L195 NwaCegarLoop]: trace histogram [33, 31, 31, 31, 31, 31, 31, 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] [2022-12-14 09:17:13,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 09:17:13,509 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 09:17:13,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:17:13,509 INFO L85 PathProgramCache]: Analyzing trace with hash -1328434109, now seen corresponding path program 1 times [2022-12-14 09:17:13,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:17:13,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321834378] [2022-12-14 09:17:13,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:17:13,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:17:13,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:17:14,242 INFO L134 CoverageAnalysis]: Checked inductivity of 3855 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3846 trivial. 0 not checked. [2022-12-14 09:17:14,242 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:17:14,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321834378] [2022-12-14 09:17:14,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321834378] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:17:14,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:17:14,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:17:14,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827580543] [2022-12-14 09:17:14,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:17:14,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:17:14,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:17:14,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:17:14,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:17:14,244 INFO L87 Difference]: Start difference. First operand 19978 states and 28447 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-12-14 09:17:16,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:17:23,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:17:25,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:17:25,363 INFO L93 Difference]: Finished difference Result 43487 states and 61695 transitions. [2022-12-14 09:17:25,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:17:25,366 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 365 [2022-12-14 09:17:25,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:17:25,429 INFO L225 Difference]: With dead ends: 43487 [2022-12-14 09:17:25,430 INFO L226 Difference]: Without dead ends: 23572 [2022-12-14 09:17:25,466 INFO L412 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 [2022-12-14 09:17:25,467 INFO L413 NwaCegarLoop]: 3856 mSDtfsCounter, 1746 mSDsluCounter, 2817 mSDsCounter, 0 mSdLazyCounter, 1224 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1746 SdHoareTripleChecker+Valid, 6673 SdHoareTripleChecker+Invalid, 1229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1224 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2022-12-14 09:17:25,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1746 Valid, 6673 Invalid, 1229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1224 Invalid, 2 Unknown, 0 Unchecked, 10.4s Time] [2022-12-14 09:17:25,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23572 states. [2022-12-14 09:17:26,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23572 to 23540. [2022-12-14 09:17:26,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23540 states, 15141 states have (on average 1.3444950795852322) internal successors, (20357), 15401 states have internal predecessors, (20357), 6469 states have call successors, (6469), 1934 states have call predecessors, (6469), 1927 states have return successors, (6465), 6312 states have call predecessors, (6465), 6465 states have call successors, (6465) [2022-12-14 09:17:26,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23540 states to 23540 states and 33291 transitions. [2022-12-14 09:17:26,125 INFO L78 Accepts]: Start accepts. Automaton has 23540 states and 33291 transitions. Word has length 365 [2022-12-14 09:17:26,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:17:26,126 INFO L495 AbstractCegarLoop]: Abstraction has 23540 states and 33291 transitions. [2022-12-14 09:17:26,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-12-14 09:17:26,126 INFO L276 IsEmpty]: Start isEmpty. Operand 23540 states and 33291 transitions. [2022-12-14 09:17:26,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2022-12-14 09:17:26,129 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:17:26,130 INFO L195 NwaCegarLoop]: trace histogram [36, 32, 32, 32, 32, 32, 32, 5, 5, 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] [2022-12-14 09:17:26,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 09:17:26,130 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 09:17:26,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:17:26,130 INFO L85 PathProgramCache]: Analyzing trace with hash -1939648887, now seen corresponding path program 1 times [2022-12-14 09:17:26,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:17:26,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813149298] [2022-12-14 09:17:26,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:17:26,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:17:26,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:17:27,388 INFO L134 CoverageAnalysis]: Checked inductivity of 4271 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4271 trivial. 0 not checked. [2022-12-14 09:17:27,388 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:17:27,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813149298] [2022-12-14 09:17:27,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813149298] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:17:27,388 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:17:27,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 09:17:27,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21876935] [2022-12-14 09:17:27,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:17:27,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 09:17:27,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:17:27,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 09:17:27,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:17:27,390 INFO L87 Difference]: Start difference. First operand 23540 states and 33291 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2022-12-14 09:17:29,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:17:36,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:17:45,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:17:45,224 INFO L93 Difference]: Finished difference Result 46511 states and 65786 transitions. [2022-12-14 09:17:45,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 09:17:45,226 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 414 [2022-12-14 09:17:45,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:17:45,345 INFO L225 Difference]: With dead ends: 46511 [2022-12-14 09:17:45,345 INFO L226 Difference]: Without dead ends: 46509 [2022-12-14 09:17:45,358 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 09:17:45,359 INFO L413 NwaCegarLoop]: 3643 mSDtfsCounter, 3144 mSDsluCounter, 10010 mSDsCounter, 0 mSdLazyCounter, 2246 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3152 SdHoareTripleChecker+Valid, 13653 SdHoareTripleChecker+Invalid, 2250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2246 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.8s IncrementalHoareTripleChecker+Time [2022-12-14 09:17:45,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3152 Valid, 13653 Invalid, 2250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 2246 Invalid, 2 Unknown, 0 Unchecked, 16.8s Time] [2022-12-14 09:17:45,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46509 states. [2022-12-14 09:17:46,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46509 to 46503. [2022-12-14 09:17:46,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46503 states, 29892 states have (on average 1.3452094205807574) internal successors, (40211), 30410 states have internal predecessors, (40211), 12789 states have call successors, (12789), 3833 states have call predecessors, (12789), 3819 states have return successors, (12781), 12475 states have call predecessors, (12781), 12781 states have call successors, (12781) [2022-12-14 09:17:46,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46503 states to 46503 states and 65781 transitions. [2022-12-14 09:17:46,719 INFO L78 Accepts]: Start accepts. Automaton has 46503 states and 65781 transitions. Word has length 414 [2022-12-14 09:17:46,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:17:46,719 INFO L495 AbstractCegarLoop]: Abstraction has 46503 states and 65781 transitions. [2022-12-14 09:17:46,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2022-12-14 09:17:46,719 INFO L276 IsEmpty]: Start isEmpty. Operand 46503 states and 65781 transitions. [2022-12-14 09:17:46,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2022-12-14 09:17:46,723 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:17:46,724 INFO L195 NwaCegarLoop]: trace histogram [36, 32, 32, 32, 32, 32, 32, 5, 5, 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] [2022-12-14 09:17:46,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 09:17:46,724 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 09:17:46,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:17:46,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1768575676, now seen corresponding path program 1 times [2022-12-14 09:17:46,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:17:46,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73803927] [2022-12-14 09:17:46,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:17:46,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:17:46,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:17:47,965 INFO L134 CoverageAnalysis]: Checked inductivity of 4273 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4271 trivial. 0 not checked. [2022-12-14 09:17:47,965 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:17:47,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73803927] [2022-12-14 09:17:47,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73803927] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:17:47,965 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:17:47,965 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 09:17:47,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705747469] [2022-12-14 09:17:47,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:17:47,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 09:17:47,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:17:47,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 09:17:47,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:17:47,966 INFO L87 Difference]: Start difference. First operand 46503 states and 65781 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (49), 3 states have call predecessors, (49), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2022-12-14 09:17:50,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:17:58,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:18:06,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:18:06,108 INFO L93 Difference]: Finished difference Result 46515 states and 65789 transitions. [2022-12-14 09:18:06,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 09:18:06,110 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (49), 3 states have call predecessors, (49), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 419 [2022-12-14 09:18:06,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:18:06,210 INFO L225 Difference]: With dead ends: 46515 [2022-12-14 09:18:06,210 INFO L226 Difference]: Without dead ends: 46513 [2022-12-14 09:18:06,221 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 09:18:06,222 INFO L413 NwaCegarLoop]: 3646 mSDtfsCounter, 3139 mSDsluCounter, 10010 mSDsCounter, 0 mSdLazyCounter, 2246 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3146 SdHoareTripleChecker+Valid, 13656 SdHoareTripleChecker+Invalid, 2250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2246 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.9s IncrementalHoareTripleChecker+Time [2022-12-14 09:18:06,222 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3146 Valid, 13656 Invalid, 2250 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2246 Invalid, 2 Unknown, 0 Unchecked, 16.9s Time] [2022-12-14 09:18:06,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46513 states. [2022-12-14 09:18:07,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46513 to 46507. [2022-12-14 09:18:07,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46507 states, 29895 states have (on average 1.3451747783910353) internal successors, (40214), 30413 states have internal predecessors, (40214), 12789 states have call successors, (12789), 3834 states have call predecessors, (12789), 3820 states have return successors, (12781), 12475 states have call predecessors, (12781), 12781 states have call successors, (12781) [2022-12-14 09:18:07,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46507 states to 46507 states and 65784 transitions. [2022-12-14 09:18:07,648 INFO L78 Accepts]: Start accepts. Automaton has 46507 states and 65784 transitions. Word has length 419 [2022-12-14 09:18:07,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:18:07,649 INFO L495 AbstractCegarLoop]: Abstraction has 46507 states and 65784 transitions. [2022-12-14 09:18:07,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (49), 3 states have call predecessors, (49), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2022-12-14 09:18:07,649 INFO L276 IsEmpty]: Start isEmpty. Operand 46507 states and 65784 transitions. [2022-12-14 09:18:07,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2022-12-14 09:18:07,655 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:18:07,656 INFO L195 NwaCegarLoop]: trace histogram [36, 32, 32, 32, 32, 32, 32, 5, 5, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:18:07,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 09:18:07,656 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 09:18:07,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:18:07,656 INFO L85 PathProgramCache]: Analyzing trace with hash -1531808780, now seen corresponding path program 1 times [2022-12-14 09:18:07,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:18:07,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537427709] [2022-12-14 09:18:07,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:18:07,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:18:07,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:18:08,759 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4274 trivial. 0 not checked. [2022-12-14 09:18:08,759 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:18:08,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537427709] [2022-12-14 09:18:08,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537427709] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:18:08,760 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:18:08,760 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 09:18:08,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661540112] [2022-12-14 09:18:08,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:18:08,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 09:18:08,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:18:08,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 09:18:08,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:18:08,761 INFO L87 Difference]: Start difference. First operand 46507 states and 65784 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2022-12-14 09:18:10,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:18:18,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:18:29,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:18:29,028 INFO L93 Difference]: Finished difference Result 69310 states and 98138 transitions. [2022-12-14 09:18:29,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 09:18:29,031 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 423 [2022-12-14 09:18:29,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:18:29,214 INFO L225 Difference]: With dead ends: 69310 [2022-12-14 09:18:29,214 INFO L226 Difference]: Without dead ends: 69308 [2022-12-14 09:18:29,233 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 09:18:29,234 INFO L413 NwaCegarLoop]: 3651 mSDtfsCounter, 3127 mSDsluCounter, 10014 mSDsCounter, 0 mSdLazyCounter, 2248 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3133 SdHoareTripleChecker+Valid, 13665 SdHoareTripleChecker+Invalid, 2253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2248 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.5s IncrementalHoareTripleChecker+Time [2022-12-14 09:18:29,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3133 Valid, 13665 Invalid, 2253 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 2248 Invalid, 2 Unknown, 0 Unchecked, 18.5s Time] [2022-12-14 09:18:29,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69308 states. [2022-12-14 09:18:31,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69308 to 69288. [2022-12-14 09:18:31,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69288 states, 44587 states have (on average 1.3457958597797564) internal successors, (60005), 45363 states have internal predecessors, (60005), 19001 states have call successors, (19001), 5738 states have call predecessors, (19001), 5697 states have return successors, (19112), 18498 states have call predecessors, (19112), 18989 states have call successors, (19112) [2022-12-14 09:18:31,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69288 states to 69288 states and 98118 transitions. [2022-12-14 09:18:31,745 INFO L78 Accepts]: Start accepts. Automaton has 69288 states and 98118 transitions. Word has length 423 [2022-12-14 09:18:31,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:18:31,745 INFO L495 AbstractCegarLoop]: Abstraction has 69288 states and 98118 transitions. [2022-12-14 09:18:31,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2022-12-14 09:18:31,746 INFO L276 IsEmpty]: Start isEmpty. Operand 69288 states and 98118 transitions. [2022-12-14 09:18:31,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2022-12-14 09:18:31,750 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:18:31,751 INFO L195 NwaCegarLoop]: trace histogram [36, 32, 32, 32, 32, 32, 32, 4, 4, 4, 3, 3, 2, 2, 2, 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] [2022-12-14 09:18:31,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 09:18:31,751 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 09:18:31,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:18:31,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1966804449, now seen corresponding path program 1 times [2022-12-14 09:18:31,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:18:31,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256924117] [2022-12-14 09:18:31,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:18:31,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:18:31,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:18:32,875 INFO L134 CoverageAnalysis]: Checked inductivity of 4291 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4285 trivial. 0 not checked. [2022-12-14 09:18:32,875 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:18:32,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256924117] [2022-12-14 09:18:32,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256924117] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:18:32,875 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:18:32,875 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 09:18:32,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443980064] [2022-12-14 09:18:32,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:18:32,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 09:18:32,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:18:32,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 09:18:32,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:18:32,877 INFO L87 Difference]: Start difference. First operand 69288 states and 98118 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2022-12-14 09:18:35,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:18:36,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:18:42,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:18:44,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:18:49,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:18:55,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:18:55,033 INFO L93 Difference]: Finished difference Result 69300 states and 98126 transitions. [2022-12-14 09:18:55,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 09:18:55,036 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 430 [2022-12-14 09:18:55,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:18:55,218 INFO L225 Difference]: With dead ends: 69300 [2022-12-14 09:18:55,218 INFO L226 Difference]: Without dead ends: 69298 [2022-12-14 09:18:55,242 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 09:18:55,242 INFO L413 NwaCegarLoop]: 3646 mSDtfsCounter, 3140 mSDsluCounter, 10010 mSDsCounter, 0 mSdLazyCounter, 2246 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3145 SdHoareTripleChecker+Valid, 13656 SdHoareTripleChecker+Invalid, 2250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2246 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.7s IncrementalHoareTripleChecker+Time [2022-12-14 09:18:55,243 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3145 Valid, 13656 Invalid, 2250 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2246 Invalid, 2 Unknown, 0 Unchecked, 19.7s Time] [2022-12-14 09:18:55,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69298 states. [2022-12-14 09:18:57,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69298 to 69292. [2022-12-14 09:18:57,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69292 states, 44590 states have (on average 1.3457725947521866) internal successors, (60008), 45366 states have internal predecessors, (60008), 19001 states have call successors, (19001), 5739 states have call predecessors, (19001), 5698 states have return successors, (19112), 18498 states have call predecessors, (19112), 18989 states have call successors, (19112) [2022-12-14 09:18:57,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69292 states to 69292 states and 98121 transitions. [2022-12-14 09:18:57,728 INFO L78 Accepts]: Start accepts. Automaton has 69292 states and 98121 transitions. Word has length 430 [2022-12-14 09:18:57,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:18:57,729 INFO L495 AbstractCegarLoop]: Abstraction has 69292 states and 98121 transitions. [2022-12-14 09:18:57,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2022-12-14 09:18:57,729 INFO L276 IsEmpty]: Start isEmpty. Operand 69292 states and 98121 transitions. [2022-12-14 09:18:57,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2022-12-14 09:18:57,734 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:18:57,735 INFO L195 NwaCegarLoop]: trace histogram [36, 32, 32, 32, 32, 32, 32, 5, 4, 4, 4, 4, 2, 2, 2, 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] [2022-12-14 09:18:57,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 09:18:57,735 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 09:18:57,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:18:57,735 INFO L85 PathProgramCache]: Analyzing trace with hash -216813148, now seen corresponding path program 1 times [2022-12-14 09:18:57,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:18:57,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761053634] [2022-12-14 09:18:57,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:18:57,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:18:57,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:18:58,914 INFO L134 CoverageAnalysis]: Checked inductivity of 4305 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4297 trivial. 0 not checked. [2022-12-14 09:18:58,914 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:18:58,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761053634] [2022-12-14 09:18:58,914 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761053634] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:18:58,914 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:18:58,914 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 09:18:58,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596019065] [2022-12-14 09:18:58,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:18:58,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 09:18:58,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:18:58,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 09:18:58,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:18:58,916 INFO L87 Difference]: Start difference. First operand 69292 states and 98121 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (49), 3 states have call predecessors, (49), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2022-12-14 09:19:01,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:19:08,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:19:12,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:19:18,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:19:18,967 INFO L93 Difference]: Finished difference Result 69304 states and 98129 transitions. [2022-12-14 09:19:18,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 09:19:18,971 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (49), 3 states have call predecessors, (49), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 435 [2022-12-14 09:19:18,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:19:19,154 INFO L225 Difference]: With dead ends: 69304 [2022-12-14 09:19:19,155 INFO L226 Difference]: Without dead ends: 69302 [2022-12-14 09:19:19,180 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 09:19:19,181 INFO L413 NwaCegarLoop]: 3646 mSDtfsCounter, 3140 mSDsluCounter, 10010 mSDsCounter, 0 mSdLazyCounter, 2246 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3144 SdHoareTripleChecker+Valid, 13656 SdHoareTripleChecker+Invalid, 2250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2246 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.3s IncrementalHoareTripleChecker+Time [2022-12-14 09:19:19,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3144 Valid, 13656 Invalid, 2250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 2246 Invalid, 2 Unknown, 0 Unchecked, 18.3s Time] [2022-12-14 09:19:19,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69302 states. [2022-12-14 09:19:21,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69302 to 69296. [2022-12-14 09:19:21,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69296 states, 44593 states have (on average 1.3457493328549324) internal successors, (60011), 45369 states have internal predecessors, (60011), 19001 states have call successors, (19001), 5740 states have call predecessors, (19001), 5699 states have return successors, (19112), 18498 states have call predecessors, (19112), 18989 states have call successors, (19112) [2022-12-14 09:19:21,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69296 states to 69296 states and 98124 transitions. [2022-12-14 09:19:21,472 INFO L78 Accepts]: Start accepts. Automaton has 69296 states and 98124 transitions. Word has length 435 [2022-12-14 09:19:21,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:19:21,472 INFO L495 AbstractCegarLoop]: Abstraction has 69296 states and 98124 transitions. [2022-12-14 09:19:21,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (49), 3 states have call predecessors, (49), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2022-12-14 09:19:21,473 INFO L276 IsEmpty]: Start isEmpty. Operand 69296 states and 98124 transitions. [2022-12-14 09:19:21,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2022-12-14 09:19:21,479 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:19:21,479 INFO L195 NwaCegarLoop]: trace histogram [36, 32, 32, 32, 32, 32, 32, 6, 5, 5, 5, 5, 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] [2022-12-14 09:19:21,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 09:19:21,479 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 09:19:21,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:19:21,480 INFO L85 PathProgramCache]: Analyzing trace with hash -762768772, now seen corresponding path program 1 times [2022-12-14 09:19:21,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:19:21,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915707826] [2022-12-14 09:19:21,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:19:21,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:19:21,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:19:22,514 INFO L134 CoverageAnalysis]: Checked inductivity of 4321 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 4311 trivial. 0 not checked. [2022-12-14 09:19:22,515 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:19:22,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915707826] [2022-12-14 09:19:22,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915707826] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:19:22,515 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:19:22,515 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 09:19:22,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910101025] [2022-12-14 09:19:22,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:19:22,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 09:19:22,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:19:22,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 09:19:22,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:19:22,516 INFO L87 Difference]: Start difference. First operand 69296 states and 98124 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (53), 3 states have call predecessors, (53), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2022-12-14 09:19:24,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:19:32,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:19:36,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:19:41,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:19:43,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:19:43,493 INFO L93 Difference]: Finished difference Result 113976 states and 161700 transitions. [2022-12-14 09:19:43,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 09:19:43,496 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (53), 3 states have call predecessors, (53), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 439 [2022-12-14 09:19:43,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:19:43,846 INFO L225 Difference]: With dead ends: 113976 [2022-12-14 09:19:43,847 INFO L226 Difference]: Without dead ends: 113974 [2022-12-14 09:19:43,897 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 09:19:43,897 INFO L413 NwaCegarLoop]: 3639 mSDtfsCounter, 3090 mSDsluCounter, 9990 mSDsCounter, 0 mSdLazyCounter, 2246 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3093 SdHoareTripleChecker+Valid, 13629 SdHoareTripleChecker+Invalid, 2251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2246 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.1s IncrementalHoareTripleChecker+Time [2022-12-14 09:19:43,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3093 Valid, 13629 Invalid, 2251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 2246 Invalid, 2 Unknown, 0 Unchecked, 18.1s Time] [2022-12-14 09:19:43,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113974 states. [2022-12-14 09:19:47,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113974 to 113948. [2022-12-14 09:19:47,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113948 states, 73417 states have (on average 1.3473309996322378) internal successors, (98917), 74733 states have internal predecessors, (98917), 31253 states have call successors, (31253), 9390 states have call predecessors, (31253), 9275 states have return successors, (31503), 30340 states have call predecessors, (31503), 31233 states have call successors, (31503) [2022-12-14 09:19:47,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113948 states to 113948 states and 161673 transitions. [2022-12-14 09:19:47,796 INFO L78 Accepts]: Start accepts. Automaton has 113948 states and 161673 transitions. Word has length 439 [2022-12-14 09:19:47,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:19:47,796 INFO L495 AbstractCegarLoop]: Abstraction has 113948 states and 161673 transitions. [2022-12-14 09:19:47,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (53), 3 states have call predecessors, (53), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2022-12-14 09:19:47,796 INFO L276 IsEmpty]: Start isEmpty. Operand 113948 states and 161673 transitions. [2022-12-14 09:19:47,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2022-12-14 09:19:47,803 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:19:47,804 INFO L195 NwaCegarLoop]: trace histogram [37, 32, 32, 32, 32, 32, 32, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:19:47,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 09:19:47,804 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 09:19:47,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:19:47,804 INFO L85 PathProgramCache]: Analyzing trace with hash 195472179, now seen corresponding path program 1 times [2022-12-14 09:19:47,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:19:47,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336668554] [2022-12-14 09:19:47,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:19:47,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:19:48,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:19:48,306 INFO L134 CoverageAnalysis]: Checked inductivity of 4348 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4341 trivial. 0 not checked. [2022-12-14 09:19:48,306 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:19:48,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336668554] [2022-12-14 09:19:48,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336668554] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:19:48,307 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:19:48,307 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:19:48,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565119377] [2022-12-14 09:19:48,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:19:48,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:19:48,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:19:48,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:19:48,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:19:48,308 INFO L87 Difference]: Start difference. First operand 113948 states and 161673 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2022-12-14 09:19:50,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:19:59,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:20:07,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:20:07,194 INFO L93 Difference]: Finished difference Result 264468 states and 375371 transitions. [2022-12-14 09:20:07,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:20:07,197 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 436 [2022-12-14 09:20:07,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:20:07,633 INFO L225 Difference]: With dead ends: 264468 [2022-12-14 09:20:07,634 INFO L226 Difference]: Without dead ends: 151023 [2022-12-14 09:20:07,836 INFO L412 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 [2022-12-14 09:20:07,836 INFO L413 NwaCegarLoop]: 5382 mSDtfsCounter, 3054 mSDsluCounter, 2803 mSDsCounter, 0 mSdLazyCounter, 1558 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3054 SdHoareTripleChecker+Valid, 8185 SdHoareTripleChecker+Invalid, 1563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1558 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2022-12-14 09:20:07,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3054 Valid, 8185 Invalid, 1563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1558 Invalid, 2 Unknown, 0 Unchecked, 14.3s Time] [2022-12-14 09:20:07,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151023 states. [2022-12-14 09:20:12,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151023 to 150837. [2022-12-14 09:20:12,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150837 states, 97320 states have (on average 1.348294286888615) internal successors, (131216), 99080 states have internal predecessors, (131216), 41269 states have call successors, (41269), 12386 states have call predecessors, (41269), 12245 states have return successors, (41609), 40058 states have call predecessors, (41609), 41249 states have call successors, (41609) [2022-12-14 09:20:13,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150837 states to 150837 states and 214094 transitions. [2022-12-14 09:20:13,268 INFO L78 Accepts]: Start accepts. Automaton has 150837 states and 214094 transitions. Word has length 436 [2022-12-14 09:20:13,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:20:13,268 INFO L495 AbstractCegarLoop]: Abstraction has 150837 states and 214094 transitions. [2022-12-14 09:20:13,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2022-12-14 09:20:13,268 INFO L276 IsEmpty]: Start isEmpty. Operand 150837 states and 214094 transitions. [2022-12-14 09:20:13,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2022-12-14 09:20:13,275 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:20:13,275 INFO L195 NwaCegarLoop]: trace histogram [36, 32, 32, 32, 32, 32, 32, 7, 6, 6, 4, 4, 2, 2, 2, 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] [2022-12-14 09:20:13,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 09:20:13,276 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 09:20:13,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:20:13,276 INFO L85 PathProgramCache]: Analyzing trace with hash -132322428, now seen corresponding path program 1 times [2022-12-14 09:20:13,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:20:13,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693552565] [2022-12-14 09:20:13,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:20:13,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:20:13,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:20:14,284 INFO L134 CoverageAnalysis]: Checked inductivity of 4345 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 4333 trivial. 0 not checked. [2022-12-14 09:20:14,284 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:20:14,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693552565] [2022-12-14 09:20:14,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693552565] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:20:14,285 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:20:14,285 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 09:20:14,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813371036] [2022-12-14 09:20:14,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:20:14,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 09:20:14,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:20:14,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 09:20:14,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:20:14,286 INFO L87 Difference]: Start difference. First operand 150837 states and 214094 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2022-12-14 09:20:16,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:20:24,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:20:35,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:20:35,022 INFO L93 Difference]: Finished difference Result 150849 states and 214102 transitions. [2022-12-14 09:20:35,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 09:20:35,026 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 445 [2022-12-14 09:20:35,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:20:35,448 INFO L225 Difference]: With dead ends: 150849 [2022-12-14 09:20:35,448 INFO L226 Difference]: Without dead ends: 150847 [2022-12-14 09:20:35,492 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 09:20:35,492 INFO L413 NwaCegarLoop]: 3646 mSDtfsCounter, 3140 mSDsluCounter, 10010 mSDsCounter, 0 mSdLazyCounter, 2246 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3142 SdHoareTripleChecker+Valid, 13656 SdHoareTripleChecker+Invalid, 2250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2246 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.6s IncrementalHoareTripleChecker+Time [2022-12-14 09:20:35,492 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3142 Valid, 13656 Invalid, 2250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 2246 Invalid, 2 Unknown, 0 Unchecked, 16.6s Time] [2022-12-14 09:20:35,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150847 states. [2022-12-14 09:20:40,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150847 to 150841. [2022-12-14 09:20:40,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150841 states, 97323 states have (on average 1.3482835506509252) internal successors, (131219), 99083 states have internal predecessors, (131219), 41269 states have call successors, (41269), 12387 states have call predecessors, (41269), 12246 states have return successors, (41609), 40058 states have call predecessors, (41609), 41249 states have call successors, (41609) [2022-12-14 09:20:41,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150841 states to 150841 states and 214097 transitions. [2022-12-14 09:20:41,033 INFO L78 Accepts]: Start accepts. Automaton has 150841 states and 214097 transitions. Word has length 445 [2022-12-14 09:20:41,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:20:41,034 INFO L495 AbstractCegarLoop]: Abstraction has 150841 states and 214097 transitions. [2022-12-14 09:20:41,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2022-12-14 09:20:41,034 INFO L276 IsEmpty]: Start isEmpty. Operand 150841 states and 214097 transitions. [2022-12-14 09:20:41,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 449 [2022-12-14 09:20:41,042 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:20:41,042 INFO L195 NwaCegarLoop]: trace histogram [36, 32, 32, 32, 32, 32, 32, 8, 7, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:20:41,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 09:20:41,042 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 09:20:41,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:20:41,043 INFO L85 PathProgramCache]: Analyzing trace with hash 2000820977, now seen corresponding path program 1 times [2022-12-14 09:20:41,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:20:41,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610254338] [2022-12-14 09:20:41,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:20:41,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:20:41,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:20:42,164 INFO L134 CoverageAnalysis]: Checked inductivity of 4368 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 4354 trivial. 0 not checked. [2022-12-14 09:20:42,164 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:20:42,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610254338] [2022-12-14 09:20:42,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610254338] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:20:42,164 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:20:42,164 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 09:20:42,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713186927] [2022-12-14 09:20:42,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:20:42,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 09:20:42,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:20:42,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 09:20:42,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:20:42,165 INFO L87 Difference]: Start difference. First operand 150841 states and 214097 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (55), 3 states have call predecessors, (55), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2022-12-14 09:20:44,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:20:47,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:20:54,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:21:05,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:21:05,575 INFO L93 Difference]: Finished difference Result 150853 states and 214105 transitions. [2022-12-14 09:21:05,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 09:21:05,578 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (55), 3 states have call predecessors, (55), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) Word has length 448 [2022-12-14 09:21:05,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:21:06,044 INFO L225 Difference]: With dead ends: 150853 [2022-12-14 09:21:06,045 INFO L226 Difference]: Without dead ends: 150849 [2022-12-14 09:21:06,091 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 09:21:06,092 INFO L413 NwaCegarLoop]: 3646 mSDtfsCounter, 3139 mSDsluCounter, 10010 mSDsCounter, 0 mSdLazyCounter, 2246 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3140 SdHoareTripleChecker+Valid, 13656 SdHoareTripleChecker+Invalid, 2250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2246 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.2s IncrementalHoareTripleChecker+Time [2022-12-14 09:21:06,092 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3140 Valid, 13656 Invalid, 2250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 2246 Invalid, 2 Unknown, 0 Unchecked, 19.2s Time] [2022-12-14 09:21:06,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150849 states. [2022-12-14 09:21:11,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150849 to 150843. [2022-12-14 09:21:11,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150843 states, 97325 states have (on average 1.3482661186745442) internal successors, (131220), 99084 states have internal predecessors, (131220), 41269 states have call successors, (41269), 12388 states have call predecessors, (41269), 12246 states have return successors, (41609), 40058 states have call predecessors, (41609), 41249 states have call successors, (41609) [2022-12-14 09:21:12,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150843 states to 150843 states and 214098 transitions. [2022-12-14 09:21:12,291 INFO L78 Accepts]: Start accepts. Automaton has 150843 states and 214098 transitions. Word has length 448 [2022-12-14 09:21:12,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:21:12,291 INFO L495 AbstractCegarLoop]: Abstraction has 150843 states and 214098 transitions. [2022-12-14 09:21:12,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (55), 3 states have call predecessors, (55), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2022-12-14 09:21:12,292 INFO L276 IsEmpty]: Start isEmpty. Operand 150843 states and 214098 transitions. [2022-12-14 09:21:12,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2022-12-14 09:21:12,301 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:21:12,301 INFO L195 NwaCegarLoop]: trace histogram [37, 32, 32, 32, 32, 32, 32, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:21:12,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 09:21:12,301 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 09:21:12,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:21:12,302 INFO L85 PathProgramCache]: Analyzing trace with hash -359502829, now seen corresponding path program 1 times [2022-12-14 09:21:12,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:21:12,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666394586] [2022-12-14 09:21:12,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:21:12,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:21:12,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:21:13,280 INFO L134 CoverageAnalysis]: Checked inductivity of 4353 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 4341 trivial. 0 not checked. [2022-12-14 09:21:13,280 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:21:13,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666394586] [2022-12-14 09:21:13,280 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666394586] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:21:13,280 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:21:13,280 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:21:13,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698626814] [2022-12-14 09:21:13,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:21:13,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:21:13,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:21:13,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:21:13,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:21:13,282 INFO L87 Difference]: Start difference. First operand 150843 states and 214098 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-12-14 09:21:15,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:21:25,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:21:32,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:21:32,801 INFO L93 Difference]: Finished difference Result 342198 states and 484237 transitions. [2022-12-14 09:21:32,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:21:32,805 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 444 [2022-12-14 09:21:32,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:21:33,477 INFO L225 Difference]: With dead ends: 342198 [2022-12-14 09:21:33,477 INFO L226 Difference]: Without dead ends: 191858 [2022-12-14 09:21:33,738 INFO L412 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 [2022-12-14 09:21:33,738 INFO L413 NwaCegarLoop]: 4676 mSDtfsCounter, 2867 mSDsluCounter, 2396 mSDsCounter, 0 mSdLazyCounter, 1339 mSolverCounterSat, 10 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2867 SdHoareTripleChecker+Valid, 7072 SdHoareTripleChecker+Invalid, 1351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1339 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2022-12-14 09:21:33,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2867 Valid, 7072 Invalid, 1351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1339 Invalid, 2 Unknown, 0 Unchecked, 13.1s Time] [2022-12-14 09:21:33,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191858 states. [2022-12-14 09:21:40,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191858 to 191645. [2022-12-14 09:21:40,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191645 states, 122908 states have (on average 1.3410355713216389) internal successors, (164824), 125244 states have internal predecessors, (164824), 52498 states have call successors, (52498), 16400 states have call predecessors, (52498), 16236 states have return successors, (52878), 50941 states have call predecessors, (52878), 52478 states have call successors, (52878) [2022-12-14 09:21:40,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191645 states to 191645 states and 270200 transitions. [2022-12-14 09:21:40,912 INFO L78 Accepts]: Start accepts. Automaton has 191645 states and 270200 transitions. Word has length 444 [2022-12-14 09:21:40,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:21:40,912 INFO L495 AbstractCegarLoop]: Abstraction has 191645 states and 270200 transitions. [2022-12-14 09:21:40,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-12-14 09:21:40,912 INFO L276 IsEmpty]: Start isEmpty. Operand 191645 states and 270200 transitions. [2022-12-14 09:21:40,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 456 [2022-12-14 09:21:40,922 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:21:40,922 INFO L195 NwaCegarLoop]: trace histogram [36, 32, 32, 32, 32, 32, 32, 9, 8, 8, 4, 4, 2, 2, 2, 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] [2022-12-14 09:21:40,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-14 09:21:40,922 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 09:21:40,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:21:40,923 INFO L85 PathProgramCache]: Analyzing trace with hash 1547763044, now seen corresponding path program 1 times [2022-12-14 09:21:40,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:21:40,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095486325] [2022-12-14 09:21:40,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:21:40,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:21:41,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:21:42,050 INFO L134 CoverageAnalysis]: Checked inductivity of 4401 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4385 trivial. 0 not checked. [2022-12-14 09:21:42,050 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:21:42,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095486325] [2022-12-14 09:21:42,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095486325] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:21:42,050 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:21:42,050 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 09:21:42,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78262792] [2022-12-14 09:21:42,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:21:42,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 09:21:42,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:21:42,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 09:21:42,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:21:42,052 INFO L87 Difference]: Start difference. First operand 191645 states and 270200 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (53), 3 states have call predecessors, (53), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2022-12-14 09:21:44,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:21:46,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:21:53,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:21:58,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:22:07,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:22:07,421 INFO L93 Difference]: Finished difference Result 191651 states and 270203 transitions. [2022-12-14 09:22:07,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 09:22:07,425 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (53), 3 states have call predecessors, (53), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 455 [2022-12-14 09:22:07,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:22:08,037 INFO L225 Difference]: With dead ends: 191651 [2022-12-14 09:22:08,037 INFO L226 Difference]: Without dead ends: 191139 [2022-12-14 09:22:08,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 09:22:08,097 INFO L413 NwaCegarLoop]: 3675 mSDtfsCounter, 3136 mSDsluCounter, 10070 mSDsCounter, 0 mSdLazyCounter, 2265 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3136 SdHoareTripleChecker+Valid, 13745 SdHoareTripleChecker+Invalid, 2270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2265 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.9s IncrementalHoareTripleChecker+Time [2022-12-14 09:22:08,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3136 Valid, 13745 Invalid, 2270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 2265 Invalid, 3 Unknown, 0 Unchecked, 19.9s Time] [2022-12-14 09:22:08,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191139 states. [2022-12-14 09:22:15,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191139 to 191135. [2022-12-14 09:22:15,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191135 states, 122730 states have (on average 1.340552432168174) internal successors, (164526), 124947 states have internal predecessors, (164526), 52246 states have call successors, (52246), 16310 states have call predecessors, (52246), 16156 states have return successors, (52630), 50794 states have call predecessors, (52630), 52230 states have call successors, (52630) [2022-12-14 09:22:16,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191135 states to 191135 states and 269402 transitions. [2022-12-14 09:22:16,574 INFO L78 Accepts]: Start accepts. Automaton has 191135 states and 269402 transitions. Word has length 455 [2022-12-14 09:22:16,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:22:16,575 INFO L495 AbstractCegarLoop]: Abstraction has 191135 states and 269402 transitions. [2022-12-14 09:22:16,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (53), 3 states have call predecessors, (53), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2022-12-14 09:22:16,575 INFO L276 IsEmpty]: Start isEmpty. Operand 191135 states and 269402 transitions. [2022-12-14 09:22:16,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 458 [2022-12-14 09:22:16,587 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:22:16,587 INFO L195 NwaCegarLoop]: trace histogram [39, 32, 32, 32, 32, 32, 32, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 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] [2022-12-14 09:22:16,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-14 09:22:16,588 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 09:22:16,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:22:16,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1492618355, now seen corresponding path program 1 times [2022-12-14 09:22:16,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:22:16,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896765967] [2022-12-14 09:22:16,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:22:16,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:22:16,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:22:17,311 INFO L134 CoverageAnalysis]: Checked inductivity of 4515 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4498 trivial. 0 not checked. [2022-12-14 09:22:17,311 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:22:17,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896765967] [2022-12-14 09:22:17,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896765967] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:22:17,312 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:22:17,312 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 09:22:17,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403706668] [2022-12-14 09:22:17,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:22:17,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 09:22:17,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:22:17,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 09:22:17,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:22:17,314 INFO L87 Difference]: Start difference. First operand 191135 states and 269402 transitions. Second operand has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 3 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (47), 4 states have call predecessors, (47), 3 states have call successors, (47) [2022-12-14 09:22:19,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:22:35,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:22:42,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 09:22:54,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 09:22:56,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:22:56,351 INFO L93 Difference]: Finished difference Result 474231 states and 668544 transitions. [2022-12-14 09:22:56,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 09:22:56,354 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 3 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (47), 4 states have call predecessors, (47), 3 states have call successors, (47) Word has length 457 [2022-12-14 09:22:56,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:22:57,431 INFO L225 Difference]: With dead ends: 474231 [2022-12-14 09:22:57,431 INFO L226 Difference]: Without dead ends: 283599 [2022-12-14 09:22:57,798 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:22:57,798 INFO L413 NwaCegarLoop]: 5377 mSDtfsCounter, 3034 mSDsluCounter, 13557 mSDsCounter, 0 mSdLazyCounter, 3573 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3036 SdHoareTripleChecker+Valid, 18934 SdHoareTripleChecker+Invalid, 3577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3573 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.7s IncrementalHoareTripleChecker+Time [2022-12-14 09:22:57,798 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3036 Valid, 18934 Invalid, 3577 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 3573 Invalid, 3 Unknown, 0 Unchecked, 29.7s Time] [2022-12-14 09:22:57,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283599 states. [2022-12-14 09:23:08,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283599 to 283233. [2022-12-14 09:23:08,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283233 states, 181844 states have (on average 1.3404786520314116) internal successors, (243758), 185179 states have internal predecessors, (243758), 77454 states have call successors, (77454), 24098 states have call predecessors, (77454), 23932 states have return successors, (78118), 75330 states have call predecessors, (78118), 77438 states have call successors, (78118) [2022-12-14 09:23:09,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283233 states to 283233 states and 399330 transitions. [2022-12-14 09:23:09,735 INFO L78 Accepts]: Start accepts. Automaton has 283233 states and 399330 transitions. Word has length 457 [2022-12-14 09:23:09,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:23:09,736 INFO L495 AbstractCegarLoop]: Abstraction has 283233 states and 399330 transitions. [2022-12-14 09:23:09,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 3 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (47), 4 states have call predecessors, (47), 3 states have call successors, (47) [2022-12-14 09:23:09,736 INFO L276 IsEmpty]: Start isEmpty. Operand 283233 states and 399330 transitions. [2022-12-14 09:23:09,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2022-12-14 09:23:09,757 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:23:09,757 INFO L195 NwaCegarLoop]: trace histogram [39, 32, 32, 32, 32, 32, 32, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 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] [2022-12-14 09:23:09,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-14 09:23:09,757 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 09:23:09,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:23:09,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1870929509, now seen corresponding path program 1 times [2022-12-14 09:23:09,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:23:09,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687505426] [2022-12-14 09:23:09,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:23:09,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:23:10,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:23:11,511 INFO L134 CoverageAnalysis]: Checked inductivity of 4515 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4515 trivial. 0 not checked. [2022-12-14 09:23:11,511 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:23:11,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687505426] [2022-12-14 09:23:11,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687505426] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:23:11,511 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:23:11,512 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 09:23:11,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018204905] [2022-12-14 09:23:11,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:23:11,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 09:23:11,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:23:11,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 09:23:11,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:23:11,513 INFO L87 Difference]: Start difference. First operand 283233 states and 399330 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, (49), 3 states have call predecessors, (49), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2022-12-14 09:23:13,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:23:23,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:23:40,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:23:40,537 INFO L93 Difference]: Finished difference Result 283457 states and 399550 transitions. [2022-12-14 09:23:40,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 09:23:40,540 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, (49), 3 states have call predecessors, (49), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 458 [2022-12-14 09:23:40,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:23:41,541 INFO L225 Difference]: With dead ends: 283457 [2022-12-14 09:23:41,541 INFO L226 Difference]: Without dead ends: 283455 [2022-12-14 09:23:41,629 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 09:23:41,629 INFO L413 NwaCegarLoop]: 3687 mSDtfsCounter, 3083 mSDsluCounter, 10099 mSDsCounter, 0 mSdLazyCounter, 2269 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3085 SdHoareTripleChecker+Valid, 13786 SdHoareTripleChecker+Invalid, 2274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2269 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.9s IncrementalHoareTripleChecker+Time [2022-12-14 09:23:41,630 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3085 Valid, 13786 Invalid, 2274 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 2269 Invalid, 2 Unknown, 0 Unchecked, 20.9s Time] [2022-12-14 09:23:41,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283455 states. [2022-12-14 09:23:52,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283455 to 283413. [2022-12-14 09:23:52,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283413 states, 181979 states have (on average 1.340176613785107) internal successors, (243884), 185314 states have internal predecessors, (243884), 77454 states have call successors, (77454), 24143 states have call predecessors, (77454), 23977 states have return successors, (78118), 75330 states have call predecessors, (78118), 77438 states have call successors, (78118) [2022-12-14 09:23:54,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283413 states to 283413 states and 399456 transitions. [2022-12-14 09:23:54,067 INFO L78 Accepts]: Start accepts. Automaton has 283413 states and 399456 transitions. Word has length 458 [2022-12-14 09:23:54,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:23:54,068 INFO L495 AbstractCegarLoop]: Abstraction has 283413 states and 399456 transitions. [2022-12-14 09:23:54,068 INFO L496 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, (49), 3 states have call predecessors, (49), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2022-12-14 09:23:54,068 INFO L276 IsEmpty]: Start isEmpty. Operand 283413 states and 399456 transitions. [2022-12-14 09:23:54,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 463 [2022-12-14 09:23:54,086 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:23:54,086 INFO L195 NwaCegarLoop]: trace histogram [37, 32, 32, 32, 32, 32, 32, 4, 4, 3, 3, 3, 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] [2022-12-14 09:23:54,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-14 09:23:54,087 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 09:23:54,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:23:54,087 INFO L85 PathProgramCache]: Analyzing trace with hash -1221068215, now seen corresponding path program 1 times [2022-12-14 09:23:54,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:23:54,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380755540] [2022-12-14 09:23:54,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:23:54,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:23:54,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:23:54,984 INFO L134 CoverageAnalysis]: Checked inductivity of 4350 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4343 trivial. 0 not checked. [2022-12-14 09:23:54,984 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:23:54,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380755540] [2022-12-14 09:23:54,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380755540] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:23:54,985 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:23:54,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:23:54,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917119949] [2022-12-14 09:23:54,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:23:54,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:23:54,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:23:54,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:23:54,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:23:54,988 INFO L87 Difference]: Start difference. First operand 283413 states and 399456 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2022-12-14 09:23:57,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:24:06,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:24:24,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:24:24,044 INFO L93 Difference]: Finished difference Result 680945 states and 960362 transitions. [2022-12-14 09:24:24,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:24:24,048 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 462 [2022-12-14 09:24:24,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:24:25,637 INFO L225 Difference]: With dead ends: 680945 [2022-12-14 09:24:25,638 INFO L226 Difference]: Without dead ends: 398035 [2022-12-14 09:24:26,310 INFO L412 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 [2022-12-14 09:24:26,311 INFO L413 NwaCegarLoop]: 5192 mSDtfsCounter, 2817 mSDsluCounter, 2788 mSDsCounter, 0 mSdLazyCounter, 1526 mSolverCounterSat, 9 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2817 SdHoareTripleChecker+Valid, 7980 SdHoareTripleChecker+Invalid, 1537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1526 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.5s IncrementalHoareTripleChecker+Time [2022-12-14 09:24:26,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2817 Valid, 7980 Invalid, 1537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1526 Invalid, 2 Unknown, 0 Unchecked, 15.5s Time] [2022-12-14 09:24:26,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398035 states. [2022-12-14 09:24:41,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398035 to 397709. [2022-12-14 09:24:42,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397709 states, 256311 states have (on average 1.3414250656429103) internal successors, (343822), 261296 states have internal predecessors, (343822), 107722 states have call successors, (107722), 33905 states have call predecessors, (107722), 33673 states have return successors, (108630), 104452 states have call predecessors, (108630), 107706 states have call successors, (108630) [2022-12-14 09:24:43,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397709 states to 397709 states and 560174 transitions. [2022-12-14 09:24:43,572 INFO L78 Accepts]: Start accepts. Automaton has 397709 states and 560174 transitions. Word has length 462 [2022-12-14 09:24:43,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:24:43,572 INFO L495 AbstractCegarLoop]: Abstraction has 397709 states and 560174 transitions. [2022-12-14 09:24:43,572 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2022-12-14 09:24:43,572 INFO L276 IsEmpty]: Start isEmpty. Operand 397709 states and 560174 transitions. [2022-12-14 09:24:43,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 463 [2022-12-14 09:24:43,585 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:24:43,585 INFO L195 NwaCegarLoop]: trace histogram [39, 32, 32, 32, 32, 32, 32, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 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] [2022-12-14 09:24:43,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-14 09:24:43,586 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 09:24:43,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:24:43,586 INFO L85 PathProgramCache]: Analyzing trace with hash 434501973, now seen corresponding path program 1 times [2022-12-14 09:24:43,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:24:43,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019936124] [2022-12-14 09:24:43,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:24:43,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:24:43,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:24:44,424 INFO L134 CoverageAnalysis]: Checked inductivity of 4516 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4498 trivial. 0 not checked. [2022-12-14 09:24:44,424 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:24:44,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019936124] [2022-12-14 09:24:44,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019936124] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:24:44,424 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:24:44,424 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 09:24:44,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560554103] [2022-12-14 09:24:44,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:24:44,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 09:24:44,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:24:44,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 09:24:44,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:24:44,426 INFO L87 Difference]: Start difference. First operand 397709 states and 560174 transitions. Second operand has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 3 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (47), 4 states have call predecessors, (47), 3 states have call successors, (47) [2022-12-14 09:24:46,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:24:59,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []