./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_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_cd433d5b-530f-4558-a616-bfd329a1aae1/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd433d5b-530f-4558-a616-bfd329a1aae1/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd433d5b-530f-4558-a616-bfd329a1aae1/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd433d5b-530f-4558-a616-bfd329a1aae1/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd433d5b-530f-4558-a616-bfd329a1aae1/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd433d5b-530f-4558-a616-bfd329a1aae1/bin/uautomizer-uyxdKDjOR8 --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e91317f289ae08033f6458d219d3b71fd8a7791b2777f777b60194968c497219 --- 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 [2022-12-13 16:40:06,249 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 16:40:06,251 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 16:40:06,269 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 16:40:06,270 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 16:40:06,271 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 16:40:06,272 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 16:40:06,273 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 16:40:06,275 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 16:40:06,276 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 16:40:06,276 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 16:40:06,278 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 16:40:06,278 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 16:40:06,279 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 16:40:06,280 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 16:40:06,281 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 16:40:06,282 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 16:40:06,283 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 16:40:06,284 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 16:40:06,286 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 16:40:06,287 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 16:40:06,288 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 16:40:06,289 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 16:40:06,290 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 16:40:06,300 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 16:40:06,300 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 16:40:06,300 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 16:40:06,301 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 16:40:06,302 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 16:40:06,303 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 16:40:06,303 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 16:40:06,304 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 16:40:06,304 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 16:40:06,305 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 16:40:06,306 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 16:40:06,306 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 16:40:06,307 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 16:40:06,307 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 16:40:06,307 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 16:40:06,308 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 16:40:06,309 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 16:40:06,310 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd433d5b-530f-4558-a616-bfd329a1aae1/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 16:40:06,332 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 16:40:06,332 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 16:40:06,332 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 16:40:06,332 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 16:40:06,333 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 16:40:06,333 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 16:40:06,334 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 16:40:06,334 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 16:40:06,334 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 16:40:06,335 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 16:40:06,335 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 16:40:06,335 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 16:40:06,335 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 16:40:06,335 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 16:40:06,335 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 16:40:06,336 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 16:40:06,336 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 16:40:06,336 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 16:40:06,336 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 16:40:06,336 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 16:40:06,337 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 16:40:06,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:40:06,337 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 16:40:06,337 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 16:40:06,337 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 16:40:06,338 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 16:40:06,338 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 16:40:06,338 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 16:40:06,338 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 16:40:06,338 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 16:40:06,339 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 16:40:06,339 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 16:40:06,339 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_cd433d5b-530f-4558-a616-bfd329a1aae1/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd433d5b-530f-4558-a616-bfd329a1aae1/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e91317f289ae08033f6458d219d3b71fd8a7791b2777f777b60194968c497219 [2022-12-13 16:40:06,531 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 16:40:06,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 16:40:06,550 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 16:40:06,551 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 16:40:06,552 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 16:40:06,552 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd433d5b-530f-4558-a616-bfd329a1aae1/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i [2022-12-13 16:40:09,195 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 16:40:09,694 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 16:40:09,694 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd433d5b-530f-4558-a616-bfd329a1aae1/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i [2022-12-13 16:40:09,737 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd433d5b-530f-4558-a616-bfd329a1aae1/bin/uautomizer-uyxdKDjOR8/data/5a54645e0/7e69d2b251a24b02938728b5fb4b37ff/FLAG8331f7869 [2022-12-13 16:40:09,749 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd433d5b-530f-4558-a616-bfd329a1aae1/bin/uautomizer-uyxdKDjOR8/data/5a54645e0/7e69d2b251a24b02938728b5fb4b37ff [2022-12-13 16:40:09,751 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 16:40:09,752 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 16:40:09,753 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 16:40:09,753 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 16:40:09,755 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 16:40:09,756 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:40:09" (1/1) ... [2022-12-13 16:40:09,757 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c5e66bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:40:09, skipping insertion in model container [2022-12-13 16:40:09,757 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:40:09" (1/1) ... [2022-12-13 16:40:09,762 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 16:40:09,891 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 16:40:10,334 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-13 16:40:10,607 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 16:40:10,644 WARN L623 FunctionHandler]: Unknown extern function __video_register_device [2022-12-13 16:40:10,808 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 16:40:10,820 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 16:40:10,845 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:10,847 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 16:40:10,848 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:10,852 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:10,853 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 16:40:10,854 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:10,856 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 16:40:10,857 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 16:40:10,858 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 16:40:10,859 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:10,860 WARN L623 FunctionHandler]: Unknown extern function strlcat [2022-12-13 16:40:10,863 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:10,864 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:10,867 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:10,874 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:10,879 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:10,892 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:10,893 WARN L623 FunctionHandler]: Unknown extern function usb_driver_claim_interface [2022-12-13 16:40:10,894 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:10,895 WARN L623 FunctionHandler]: Unknown extern function usb_driver_release_interface [2022-12-13 16:40:10,896 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 16:40:10,896 WARN L623 FunctionHandler]: Unknown extern function usb_get_intf [2022-12-13 16:40:10,898 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:10,900 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:10,902 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:10,904 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:10,907 WARN L623 FunctionHandler]: Unknown extern function kmemdup [2022-12-13 16:40:10,911 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:10,914 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:10,918 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:10,920 WARN L623 FunctionHandler]: Unknown extern function usb_driver_release_interface [2022-12-13 16:40:10,921 WARN L623 FunctionHandler]: Unknown extern function usb_put_intf [2022-12-13 16:40:10,921 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 16:40:10,921 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 16:40:10,922 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 16:40:10,942 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:10,945 WARN L623 FunctionHandler]: Unknown extern function usb_string [2022-12-13 16:40:10,946 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 16:40:10,956 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:10,957 WARN L623 FunctionHandler]: Unknown extern function usb_ifnum_to_if [2022-12-13 16:40:10,958 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:10,959 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:10,960 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:10,962 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:10,966 WARN L623 FunctionHandler]: Unknown extern function usb_string [2022-12-13 16:40:10,967 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 16:40:10,967 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 16:40:10,968 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 16:40:10,969 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:10,970 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:10,972 WARN L623 FunctionHandler]: Unknown extern function usb_string [2022-12-13 16:40:10,972 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 16:40:10,973 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:10,975 WARN L623 FunctionHandler]: Unknown extern function usb_string [2022-12-13 16:40:10,975 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 16:40:10,977 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:10,979 WARN L623 FunctionHandler]: Unknown extern function usb_string [2022-12-13 16:40:10,980 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 16:40:10,981 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:10,984 WARN L623 FunctionHandler]: Unknown extern function usb_string [2022-12-13 16:40:10,984 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 16:40:10,985 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:10,996 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:11,006 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:11,006 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:11,007 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:11,008 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:11,008 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:11,009 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:11,009 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:11,009 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:11,010 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:11,011 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:11,011 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:11,019 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:11,019 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:11,020 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:11,021 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:11,021 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:11,022 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:11,023 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:11,030 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:11,032 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:11,032 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:11,033 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:11,034 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:11,042 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:11,043 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:11,050 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 16:40:11,051 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 16:40:11,052 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 16:40:11,059 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 16:40:11,092 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 16:40:11,092 WARN L623 FunctionHandler]: Unknown extern function v4l2_prio_init [2022-12-13 16:40:11,093 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 16:40:11,093 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:11,094 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:11,100 WARN L623 FunctionHandler]: Unknown extern function usb_put_intf [2022-12-13 16:40:11,101 WARN L623 FunctionHandler]: Unknown extern function v4l2_device_unregister [2022-12-13 16:40:11,101 WARN L623 FunctionHandler]: Unknown extern function media_device_unregister [2022-12-13 16:40:11,102 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 16:40:11,102 WARN L623 FunctionHandler]: Unknown extern function video_device_release [2022-12-13 16:40:11,103 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 16:40:11,103 WARN L623 FunctionHandler]: Unknown extern function usb_driver_release_interface [2022-12-13 16:40:11,103 WARN L623 FunctionHandler]: Unknown extern function usb_put_intf [2022-12-13 16:40:11,104 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 16:40:11,104 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 16:40:11,104 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 16:40:11,104 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 16:40:11,116 WARN L623 FunctionHandler]: Unknown extern function video_unregister_device [2022-12-13 16:40:11,122 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:11,122 WARN L623 FunctionHandler]: Unknown extern function video_device_alloc [2022-12-13 16:40:11,123 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:11,124 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 16:40:11,124 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:11,124 WARN L623 FunctionHandler]: Unknown extern function video_device_release [2022-12-13 16:40:11,133 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:11,142 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:11,150 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:11,151 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:11,152 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 16:40:11,152 WARN L623 FunctionHandler]: Unknown extern function usb_get_intf [2022-12-13 16:40:11,153 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 16:40:11,154 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:11,154 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:11,155 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:11,156 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:11,156 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 16:40:11,157 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 16:40:11,157 WARN L623 FunctionHandler]: Unknown extern function media_device_register [2022-12-13 16:40:11,158 WARN L623 FunctionHandler]: Unknown extern function v4l2_device_register [2022-12-13 16:40:11,158 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:11,159 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:11,159 WARN L623 FunctionHandler]: Unknown extern function usb_enable_autosuspend [2022-12-13 16:40:11,174 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:11,174 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 16:40:11,174 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:40:11,175 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:11,183 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:11,184 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 16:40:11,184 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:40:11,185 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:11,205 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 16:40:11,206 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 16:40:11,212 WARN L623 FunctionHandler]: Unknown extern function strncasecmp [2022-12-13 16:40:11,213 WARN L623 FunctionHandler]: Unknown extern function strcasecmp [2022-12-13 16:40:11,213 WARN L623 FunctionHandler]: Unknown extern function strcasecmp [2022-12-13 16:40:11,222 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:11,494 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_usb_register_driver [2022-12-13 16:40:11,495 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-13 16:40:11,506 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-13 16:40:11,506 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-13 16:40:11,544 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 16:40:11,712 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:11,713 WARN L623 FunctionHandler]: Unknown extern function vb2_plane_vaddr [2022-12-13 16:40:11,719 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 16:40:11,720 WARN L623 FunctionHandler]: Unknown extern function vb2_buffer_done [2022-12-13 16:40:11,731 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:40:11,736 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 16:40:11,737 WARN L623 FunctionHandler]: Unknown extern function vb2_queue_init [2022-12-13 16:40:11,738 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 16:40:11,738 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 16:40:11,738 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 16:40:11,738 WARN L623 FunctionHandler]: Unknown extern function vb2_reqbufs [2022-12-13 16:40:11,739 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:40:11,739 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 16:40:11,739 WARN L623 FunctionHandler]: Unknown extern function vb2_queue_release [2022-12-13 16:40:11,739 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:40:11,739 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 16:40:11,740 WARN L623 FunctionHandler]: Unknown extern function vb2_querybuf [2022-12-13 16:40:11,740 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:40:11,740 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 16:40:11,740 WARN L623 FunctionHandler]: Unknown extern function vb2_qbuf [2022-12-13 16:40:11,740 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:40:11,740 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 16:40:11,741 WARN L623 FunctionHandler]: Unknown extern function vb2_dqbuf [2022-12-13 16:40:11,741 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:40:11,741 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 16:40:11,741 WARN L623 FunctionHandler]: Unknown extern function vb2_mmap [2022-12-13 16:40:11,741 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:40:11,742 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 16:40:11,742 WARN L623 FunctionHandler]: Unknown extern function vb2_poll [2022-12-13 16:40:11,742 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:40:11,742 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 16:40:11,742 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:40:11,743 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 16:40:11,743 WARN L623 FunctionHandler]: Unknown extern function vb2_streamon [2022-12-13 16:40:11,743 WARN L623 FunctionHandler]: Unknown extern function vb2_streamoff [2022-12-13 16:40:11,744 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 16:40:11,744 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:40:11,744 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 16:40:11,744 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 16:40:11,745 WARN L623 FunctionHandler]: Unknown extern function vb2_buffer_done [2022-12-13 16:40:11,746 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 16:40:11,746 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 16:40:11,746 WARN L623 FunctionHandler]: Unknown extern function vb2_buffer_done [2022-12-13 16:40:11,792 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 16:40:11,850 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 16:40:11,862 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 16:40:11,879 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 16:40:11,879 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-13 16:40:11,880 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-13 16:40:11,880 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-13 16:40:11,944 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-13 16:40:12,070 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:12,070 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 16:40:12,070 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 16:40:12,083 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:12,085 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:12,085 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:12,086 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 16:40:12,086 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:40:12,093 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 16:40:12,094 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:40:12,100 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 16:40:12,100 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:40:12,106 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 16:40:12,106 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:40:12,113 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:12,113 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 16:40:12,113 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:40:12,114 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:40:12,114 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:40:12,136 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:12,137 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_get_interface [2022-12-13 16:40:12,137 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface [2022-12-13 16:40:12,137 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 16:40:12,138 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:40:12,138 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface [2022-12-13 16:40:12,138 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 16:40:12,138 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:40:12,138 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_init [2022-12-13 16:40:12,139 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_add [2022-12-13 16:40:12,144 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:12,145 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_del [2022-12-13 16:40:12,145 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_exit [2022-12-13 16:40:12,145 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 16:40:12,145 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 16:40:12,145 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:40:12,146 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface [2022-12-13 16:40:12,152 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-13 16:40:12,153 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 16:40:12,154 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 16:40:12,154 WARN L623 FunctionHandler]: Unknown extern function v4l2_prio_max [2022-12-13 16:40:12,154 WARN L623 FunctionHandler]: Unknown extern function v4l2_prio_check [2022-12-13 16:40:12,155 WARN L623 FunctionHandler]: Unknown extern function v4l2_prio_change [2022-12-13 16:40:12,156 WARN L623 FunctionHandler]: Unknown extern function v4l2_prio_check [2022-12-13 16:40:12,157 WARN L623 FunctionHandler]: Unknown extern function v4l2_prio_check [2022-12-13 16:40:12,170 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 16:40:12,171 WARN L623 FunctionHandler]: Unknown extern function v4l2_prio_check [2022-12-13 16:40:12,173 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 16:40:12,173 WARN L623 FunctionHandler]: Unknown extern function v4l2_prio_check [2022-12-13 16:40:12,176 WARN L623 FunctionHandler]: Unknown extern function v4l2_prio_check [2022-12-13 16:40:12,177 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 16:40:12,177 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:40:12,178 WARN L623 FunctionHandler]: Unknown extern function v4l2_prio_check [2022-12-13 16:40:12,178 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 16:40:12,178 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:40:12,179 WARN L623 FunctionHandler]: Unknown extern function v4l2_prio_check [2022-12-13 16:40:12,179 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 16:40:12,180 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:40:12,180 WARN L623 FunctionHandler]: Unknown extern function v4l2_prio_check [2022-12-13 16:40:12,180 WARN L623 FunctionHandler]: Unknown extern function v4l2_event_subscribe [2022-12-13 16:40:12,180 WARN L623 FunctionHandler]: Unknown extern function v4l2_event_unsubscribe [2022-12-13 16:40:12,181 WARN L623 FunctionHandler]: Unknown extern function v4l2_event_dequeue [2022-12-13 16:40:12,181 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:12,181 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:12,188 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:12,188 WARN L623 FunctionHandler]: Unknown extern function v4l_printk_ioctl [2022-12-13 16:40:12,188 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:12,189 WARN L623 FunctionHandler]: Unknown extern function video_usercopy [2022-12-13 16:40:12,195 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-13 16:40:12,196 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-13 16:40:12,196 WARN L623 FunctionHandler]: Unknown extern function compat_alloc_user_space [2022-12-13 16:40:12,197 WARN L623 FunctionHandler]: Unknown extern function copy_in_user [2022-12-13 16:40:12,203 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-13 16:40:12,203 WARN L623 FunctionHandler]: Unknown extern function __clear_user [2022-12-13 16:40:12,203 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 16:40:12,204 WARN L623 FunctionHandler]: Unknown extern function copy_in_user [2022-12-13 16:40:12,210 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-13 16:40:12,211 WARN L623 FunctionHandler]: Unknown extern function compat_alloc_user_space [2022-12-13 16:40:12,211 WARN L623 FunctionHandler]: Unknown extern function copy_in_user [2022-12-13 16:40:12,217 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 16:40:12,217 WARN L623 FunctionHandler]: Unknown extern function copy_in_user [2022-12-13 16:40:12,230 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:12,235 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:12,241 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:12,315 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-13 16:40:12,407 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 16:40:12,414 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:12,427 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:12,428 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:12,428 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:12,430 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 16:40:12,437 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:12,438 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 16:40:12,450 WARN L623 FunctionHandler]: Unknown extern function usb_get_current_frame_number [2022-12-13 16:40:12,450 WARN L623 FunctionHandler]: Unknown extern function ktime_get_ts [2022-12-13 16:40:12,451 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 16:40:12,462 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 16:40:12,468 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 16:40:12,474 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 16:40:12,475 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:12,477 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:12,483 WARN L623 FunctionHandler]: Unknown extern function ktime_get_ts [2022-12-13 16:40:12,491 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:12,493 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-12-13 16:40:12,494 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-12-13 16:40:12,494 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-12-13 16:40:12,494 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-12-13 16:40:12,505 WARN L623 FunctionHandler]: Unknown extern function ktime_get_ts [2022-12-13 16:40:12,511 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:12,511 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:12,512 WARN L623 FunctionHandler]: Unknown extern function ktime_get_ts [2022-12-13 16:40:12,512 WARN L623 FunctionHandler]: Unknown extern function getnstimeofday [2022-12-13 16:40:12,512 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:12,518 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:12,524 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:12,524 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:12,540 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:12,559 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:12,560 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 16:40:12,561 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-13 16:40:12,561 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:12,568 WARN L623 FunctionHandler]: Unknown extern function usb_free_coherent [2022-12-13 16:40:12,573 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_coherent [2022-12-13 16:40:12,574 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:12,574 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:12,579 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 16:40:12,579 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 16:40:12,590 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-13 16:40:12,597 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-13 16:40:12,605 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:12,606 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:12,607 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:12,607 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:12,608 WARN L623 FunctionHandler]: Unknown extern function usb_set_interface [2022-12-13 16:40:12,608 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-13 16:40:12,609 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:12,609 WARN L623 FunctionHandler]: Unknown extern function usb_set_interface [2022-12-13 16:40:12,610 WARN L623 FunctionHandler]: Unknown extern function usb_set_interface [2022-12-13 16:40:12,611 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:12,611 WARN L623 FunctionHandler]: Unknown extern function usb_set_interface [2022-12-13 16:40:12,612 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:12,614 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:12,614 WARN L623 FunctionHandler]: Unknown extern function usb_set_interface [2022-12-13 16:40:12,615 WARN L623 FunctionHandler]: Unknown extern function usb_set_interface [2022-12-13 16:40:12,642 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 16:40:12,643 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-13 16:40:12,643 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-13 16:40:12,643 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-13 16:40:12,731 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 16:40:12,732 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 16:40:12,732 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 16:40:12,732 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 16:40:12,745 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:12,752 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:12,776 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 16:40:12,780 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-13 16:40:12,781 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:40:12,782 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-13 16:40:12,784 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 16:40:12,784 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:40:12,800 WARN L623 FunctionHandler]: Unknown extern function v4l2_event_queue_fh [2022-12-13 16:40:12,823 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-13 16:40:12,824 WARN L623 FunctionHandler]: Unknown extern function v4l2_event_queue_fh [2022-12-13 16:40:12,825 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:40:12,832 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 16:40:12,832 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 16:40:12,832 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:40:12,833 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-13 16:40:12,842 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:40:12,860 WARN L623 FunctionHandler]: Unknown extern function usb_match_one_id [2022-12-13 16:40:12,869 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:12,870 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:12,871 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:12,872 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 16:40:12,886 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:12,888 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:12,889 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:12,889 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-13 16:40:12,892 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 16:40:12,892 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:40:12,893 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:12,896 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:12,897 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 16:40:12,904 WARN L623 FunctionHandler]: Unknown extern function kmemdup [2022-12-13 16:40:12,905 WARN L623 FunctionHandler]: Unknown extern function kmemdup [2022-12-13 16:40:12,905 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 16:40:12,906 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:12,908 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:12,909 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-13 16:40:12,910 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:12,911 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:12,912 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:40:12,924 WARN L623 FunctionHandler]: Unknown extern function usb_match_one_id [2022-12-13 16:40:12,925 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:12,936 WARN L623 FunctionHandler]: Unknown extern function memweight [2022-12-13 16:40:12,944 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 16:40:12,944 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 16:40:12,945 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 16:40:12,946 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 16:40:12,946 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 16:40:12,947 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_merge [2022-12-13 16:40:12,948 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_replace [2022-12-13 16:40:13,009 WARN L623 FunctionHandler]: Unknown extern function input_event [2022-12-13 16:40:13,016 WARN L623 FunctionHandler]: Unknown extern function input_event [2022-12-13 16:40:13,030 WARN L623 FunctionHandler]: Unknown extern function strlcat [2022-12-13 16:40:13,031 WARN L623 FunctionHandler]: Unknown extern function input_register_device [2022-12-13 16:40:13,032 WARN L623 FunctionHandler]: Unknown extern function input_free_device [2022-12-13 16:40:13,039 WARN L623 FunctionHandler]: Unknown extern function input_unregister_device [2022-12-13 16:40:13,052 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,053 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,054 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,063 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,063 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,070 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,070 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,071 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-13 16:40:13,071 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,072 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-13 16:40:13,072 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 16:40:13,073 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 16:40:13,073 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 16:40:13,073 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 16:40:13,074 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-13 16:40:13,074 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 16:40:13,082 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 16:40:13,083 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 16:40:13,083 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,084 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,085 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,086 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,147 WARN L623 FunctionHandler]: Unknown extern function simple_read_from_buffer [2022-12-13 16:40:13,154 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 16:40:13,155 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 16:40:13,156 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_dir [2022-12-13 16:40:13,157 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,157 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_file [2022-12-13 16:40:13,158 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,158 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove_recursive [2022-12-13 16:40:13,159 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_dir [2022-12-13 16:40:13,159 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,160 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove_recursive [2022-12-13 16:40:13,169 WARN L623 FunctionHandler]: Unknown extern function no_llseek [2022-12-13 16:40:13,207 WARN L623 FunctionHandler]: Unknown extern function media_entity_create_link [2022-12-13 16:40:13,208 WARN L623 FunctionHandler]: Unknown extern function v4l2_device_register_subdev [2022-12-13 16:40:13,208 WARN L623 FunctionHandler]: Unknown extern function media_entity_cleanup [2022-12-13 16:40:13,209 WARN L623 FunctionHandler]: Unknown extern function media_entity_cleanup [2022-12-13 16:40:13,214 WARN L623 FunctionHandler]: Unknown extern function v4l2_subdev_init [2022-12-13 16:40:13,214 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 16:40:13,214 WARN L623 FunctionHandler]: Unknown extern function media_entity_init [2022-12-13 16:40:13,214 WARN L623 FunctionHandler]: Unknown extern function media_entity_init [2022-12-13 16:40:13,215 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,216 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,288 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-13 16:40:13,289 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 16:40:13,318 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 16:40:13,407 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_cd433d5b-530f-4558-a616-bfd329a1aae1/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[580326,580339] [2022-12-13 16:40:13,410 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_cd433d5b-530f-4558-a616-bfd329a1aae1/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[580473,580486] [2022-12-13 16:40:13,410 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_cd433d5b-530f-4558-a616-bfd329a1aae1/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[580612,580625] [2022-12-13 16:40:13,410 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_cd433d5b-530f-4558-a616-bfd329a1aae1/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[580770,580783] [2022-12-13 16:40:13,412 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 16:40:13,412 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 16:40:13,413 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 16:40:13,413 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 16:40:13,420 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 16:40:13,420 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 16:40:13,421 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 16:40:13,421 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 16:40:13,422 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 16:40:13,428 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 16:40:13,428 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 16:40:13,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:40:13,499 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 16:40:13,554 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-13 16:40:13,559 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 16:40:13,560 WARN L623 FunctionHandler]: Unknown extern function __video_register_device [2022-12-13 16:40:13,563 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 16:40:13,565 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 16:40:13,569 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,570 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 16:40:13,570 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,570 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,571 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 16:40:13,571 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,572 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 16:40:13,572 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 16:40:13,572 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 16:40:13,573 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,573 WARN L623 FunctionHandler]: Unknown extern function strlcat [2022-12-13 16:40:13,574 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,574 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,575 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,577 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,578 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,580 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,580 WARN L623 FunctionHandler]: Unknown extern function usb_driver_claim_interface [2022-12-13 16:40:13,580 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,581 WARN L623 FunctionHandler]: Unknown extern function usb_driver_release_interface [2022-12-13 16:40:13,581 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 16:40:13,583 WARN L623 FunctionHandler]: Unknown extern function usb_get_intf [2022-12-13 16:40:13,584 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,585 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,585 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,586 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,587 WARN L623 FunctionHandler]: Unknown extern function kmemdup [2022-12-13 16:40:13,588 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,589 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,590 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,591 WARN L623 FunctionHandler]: Unknown extern function usb_driver_release_interface [2022-12-13 16:40:13,591 WARN L623 FunctionHandler]: Unknown extern function usb_put_intf [2022-12-13 16:40:13,591 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 16:40:13,591 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 16:40:13,591 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 16:40:13,594 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,595 WARN L623 FunctionHandler]: Unknown extern function usb_string [2022-12-13 16:40:13,595 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 16:40:13,596 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,597 WARN L623 FunctionHandler]: Unknown extern function usb_ifnum_to_if [2022-12-13 16:40:13,597 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,598 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,598 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,599 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,600 WARN L623 FunctionHandler]: Unknown extern function usb_string [2022-12-13 16:40:13,624 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 16:40:13,624 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 16:40:13,625 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 16:40:13,625 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,626 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,627 WARN L623 FunctionHandler]: Unknown extern function usb_string [2022-12-13 16:40:13,627 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 16:40:13,628 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,628 WARN L623 FunctionHandler]: Unknown extern function usb_string [2022-12-13 16:40:13,629 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 16:40:13,630 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,631 WARN L623 FunctionHandler]: Unknown extern function usb_string [2022-12-13 16:40:13,631 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 16:40:13,632 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,634 WARN L623 FunctionHandler]: Unknown extern function usb_string [2022-12-13 16:40:13,634 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 16:40:13,634 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,636 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,638 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,638 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,638 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,639 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,639 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,640 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,640 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,640 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,641 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,641 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,641 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,646 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,646 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,647 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,647 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,648 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,648 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,648 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,650 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,655 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,655 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,656 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,660 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,660 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,661 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,662 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 16:40:13,663 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 16:40:13,663 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 16:40:13,664 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 16:40:13,666 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 16:40:13,669 WARN L623 FunctionHandler]: Unknown extern function v4l2_prio_init [2022-12-13 16:40:13,670 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 16:40:13,670 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,671 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,671 WARN L623 FunctionHandler]: Unknown extern function usb_put_intf [2022-12-13 16:40:13,672 WARN L623 FunctionHandler]: Unknown extern function v4l2_device_unregister [2022-12-13 16:40:13,672 WARN L623 FunctionHandler]: Unknown extern function media_device_unregister [2022-12-13 16:40:13,672 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 16:40:13,673 WARN L623 FunctionHandler]: Unknown extern function video_device_release [2022-12-13 16:40:13,673 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 16:40:13,674 WARN L623 FunctionHandler]: Unknown extern function usb_driver_release_interface [2022-12-13 16:40:13,674 WARN L623 FunctionHandler]: Unknown extern function usb_put_intf [2022-12-13 16:40:13,674 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 16:40:13,674 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 16:40:13,674 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 16:40:13,675 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 16:40:13,679 WARN L623 FunctionHandler]: Unknown extern function video_unregister_device [2022-12-13 16:40:13,680 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,680 WARN L623 FunctionHandler]: Unknown extern function video_device_alloc [2022-12-13 16:40:13,680 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,687 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 16:40:13,688 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,688 WARN L623 FunctionHandler]: Unknown extern function video_device_release [2022-12-13 16:40:13,689 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,691 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,692 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,692 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,693 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 16:40:13,693 WARN L623 FunctionHandler]: Unknown extern function usb_get_intf [2022-12-13 16:40:13,694 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 16:40:13,694 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,694 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,695 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,695 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,696 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 16:40:13,696 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 16:40:13,696 WARN L623 FunctionHandler]: Unknown extern function media_device_register [2022-12-13 16:40:13,697 WARN L623 FunctionHandler]: Unknown extern function v4l2_device_register [2022-12-13 16:40:13,697 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,697 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,698 WARN L623 FunctionHandler]: Unknown extern function usb_enable_autosuspend [2022-12-13 16:40:13,699 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,699 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 16:40:13,700 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:40:13,700 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,701 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,702 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 16:40:13,702 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:40:13,703 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,703 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 16:40:13,704 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 16:40:13,704 WARN L623 FunctionHandler]: Unknown extern function strncasecmp [2022-12-13 16:40:13,705 WARN L623 FunctionHandler]: Unknown extern function strcasecmp [2022-12-13 16:40:13,705 WARN L623 FunctionHandler]: Unknown extern function strcasecmp [2022-12-13 16:40:13,710 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,720 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_usb_register_driver [2022-12-13 16:40:13,722 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-13 16:40:13,724 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-13 16:40:13,725 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-13 16:40:13,725 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 16:40:13,730 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,731 WARN L623 FunctionHandler]: Unknown extern function vb2_plane_vaddr [2022-12-13 16:40:13,734 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 16:40:13,735 WARN L623 FunctionHandler]: Unknown extern function vb2_buffer_done [2022-12-13 16:40:13,738 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:40:13,738 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 16:40:13,739 WARN L623 FunctionHandler]: Unknown extern function vb2_queue_init [2022-12-13 16:40:13,739 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 16:40:13,740 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 16:40:13,740 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 16:40:13,740 WARN L623 FunctionHandler]: Unknown extern function vb2_reqbufs [2022-12-13 16:40:13,740 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:40:13,741 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 16:40:13,741 WARN L623 FunctionHandler]: Unknown extern function vb2_queue_release [2022-12-13 16:40:13,741 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:40:13,741 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 16:40:13,742 WARN L623 FunctionHandler]: Unknown extern function vb2_querybuf [2022-12-13 16:40:13,742 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:40:13,742 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 16:40:13,742 WARN L623 FunctionHandler]: Unknown extern function vb2_qbuf [2022-12-13 16:40:13,742 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:40:13,743 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 16:40:13,743 WARN L623 FunctionHandler]: Unknown extern function vb2_dqbuf [2022-12-13 16:40:13,743 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:40:13,743 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 16:40:13,744 WARN L623 FunctionHandler]: Unknown extern function vb2_mmap [2022-12-13 16:40:13,744 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:40:13,744 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 16:40:13,744 WARN L623 FunctionHandler]: Unknown extern function vb2_poll [2022-12-13 16:40:13,744 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:40:13,745 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 16:40:13,745 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:40:13,745 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 16:40:13,746 WARN L623 FunctionHandler]: Unknown extern function vb2_streamon [2022-12-13 16:40:13,746 WARN L623 FunctionHandler]: Unknown extern function vb2_streamoff [2022-12-13 16:40:13,746 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 16:40:13,746 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:40:13,747 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 16:40:13,747 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 16:40:13,747 WARN L623 FunctionHandler]: Unknown extern function vb2_buffer_done [2022-12-13 16:40:13,748 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 16:40:13,749 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 16:40:13,749 WARN L623 FunctionHandler]: Unknown extern function vb2_buffer_done [2022-12-13 16:40:13,751 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 16:40:13,752 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 16:40:13,754 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 16:40:13,754 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 16:40:13,754 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-13 16:40:13,755 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-13 16:40:13,755 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-13 16:40:13,756 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-13 16:40:13,759 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,759 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 16:40:13,759 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 16:40:13,771 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,773 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,774 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,774 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 16:40:13,775 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:40:13,777 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 16:40:13,778 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:40:13,778 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 16:40:13,779 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:40:13,780 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 16:40:13,780 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:40:13,782 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,782 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 16:40:13,782 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:40:13,783 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:40:13,784 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:40:13,785 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,786 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_get_interface [2022-12-13 16:40:13,787 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface [2022-12-13 16:40:13,788 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 16:40:13,792 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:40:13,792 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface [2022-12-13 16:40:13,793 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 16:40:13,794 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:40:13,794 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_init [2022-12-13 16:40:13,794 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_add [2022-12-13 16:40:13,795 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,796 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_del [2022-12-13 16:40:13,796 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_exit [2022-12-13 16:40:13,796 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 16:40:13,796 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 16:40:13,800 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:40:13,800 WARN L623 FunctionHandler]: Unknown extern function usb_autopm_put_interface [2022-12-13 16:40:13,803 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-13 16:40:13,805 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 16:40:13,805 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 16:40:13,807 WARN L623 FunctionHandler]: Unknown extern function v4l2_prio_max [2022-12-13 16:40:13,807 WARN L623 FunctionHandler]: Unknown extern function v4l2_prio_check [2022-12-13 16:40:13,808 WARN L623 FunctionHandler]: Unknown extern function v4l2_prio_change [2022-12-13 16:40:13,808 WARN L623 FunctionHandler]: Unknown extern function v4l2_prio_check [2022-12-13 16:40:13,809 WARN L623 FunctionHandler]: Unknown extern function v4l2_prio_check [2022-12-13 16:40:13,811 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 16:40:13,814 WARN L623 FunctionHandler]: Unknown extern function v4l2_prio_check [2022-12-13 16:40:13,817 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 16:40:13,818 WARN L623 FunctionHandler]: Unknown extern function v4l2_prio_check [2022-12-13 16:40:13,820 WARN L623 FunctionHandler]: Unknown extern function v4l2_prio_check [2022-12-13 16:40:13,821 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 16:40:13,821 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:40:13,821 WARN L623 FunctionHandler]: Unknown extern function v4l2_prio_check [2022-12-13 16:40:13,822 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 16:40:13,822 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:40:13,823 WARN L623 FunctionHandler]: Unknown extern function v4l2_prio_check [2022-12-13 16:40:13,823 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 16:40:13,823 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:40:13,823 WARN L623 FunctionHandler]: Unknown extern function v4l2_prio_check [2022-12-13 16:40:13,824 WARN L623 FunctionHandler]: Unknown extern function v4l2_event_subscribe [2022-12-13 16:40:13,824 WARN L623 FunctionHandler]: Unknown extern function v4l2_event_unsubscribe [2022-12-13 16:40:13,824 WARN L623 FunctionHandler]: Unknown extern function v4l2_event_dequeue [2022-12-13 16:40:13,824 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,825 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,826 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,826 WARN L623 FunctionHandler]: Unknown extern function v4l_printk_ioctl [2022-12-13 16:40:13,826 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,826 WARN L623 FunctionHandler]: Unknown extern function video_usercopy [2022-12-13 16:40:13,827 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-13 16:40:13,828 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-13 16:40:13,828 WARN L623 FunctionHandler]: Unknown extern function compat_alloc_user_space [2022-12-13 16:40:13,828 WARN L623 FunctionHandler]: Unknown extern function copy_in_user [2022-12-13 16:40:13,829 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-13 16:40:13,829 WARN L623 FunctionHandler]: Unknown extern function __clear_user [2022-12-13 16:40:13,830 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 16:40:13,830 WARN L623 FunctionHandler]: Unknown extern function copy_in_user [2022-12-13 16:40:13,831 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-13 16:40:13,831 WARN L623 FunctionHandler]: Unknown extern function compat_alloc_user_space [2022-12-13 16:40:13,832 WARN L623 FunctionHandler]: Unknown extern function copy_in_user [2022-12-13 16:40:13,832 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 16:40:13,833 WARN L623 FunctionHandler]: Unknown extern function copy_in_user [2022-12-13 16:40:13,834 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,835 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,835 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,838 WARN L623 FunctionHandler]: Unknown extern function set_normalized_timespec [2022-12-13 16:40:13,840 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 16:40:13,842 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,846 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,847 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,847 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,848 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 16:40:13,851 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,852 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 16:40:13,854 WARN L623 FunctionHandler]: Unknown extern function usb_get_current_frame_number [2022-12-13 16:40:13,855 WARN L623 FunctionHandler]: Unknown extern function ktime_get_ts [2022-12-13 16:40:13,856 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 16:40:13,857 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 16:40:13,857 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 16:40:13,858 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 16:40:13,866 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,868 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,869 WARN L623 FunctionHandler]: Unknown extern function ktime_get_ts [2022-12-13 16:40:13,872 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,875 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-12-13 16:40:13,875 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-12-13 16:40:13,876 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-12-13 16:40:13,876 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-12-13 16:40:13,877 WARN L623 FunctionHandler]: Unknown extern function ktime_get_ts [2022-12-13 16:40:13,878 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,878 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,879 WARN L623 FunctionHandler]: Unknown extern function ktime_get_ts [2022-12-13 16:40:13,879 WARN L623 FunctionHandler]: Unknown extern function getnstimeofday [2022-12-13 16:40:13,879 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,880 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,881 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,881 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,883 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,887 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,888 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 16:40:13,891 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-13 16:40:13,891 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,892 WARN L623 FunctionHandler]: Unknown extern function usb_free_coherent [2022-12-13 16:40:13,894 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_coherent [2022-12-13 16:40:13,896 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,896 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,896 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 16:40:13,897 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 16:40:13,899 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-13 16:40:13,906 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-13 16:40:13,909 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,909 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,911 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,911 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,911 WARN L623 FunctionHandler]: Unknown extern function usb_set_interface [2022-12-13 16:40:13,913 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-13 16:40:13,913 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,914 WARN L623 FunctionHandler]: Unknown extern function usb_set_interface [2022-12-13 16:40:13,915 WARN L623 FunctionHandler]: Unknown extern function usb_set_interface [2022-12-13 16:40:13,917 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,918 WARN L623 FunctionHandler]: Unknown extern function usb_set_interface [2022-12-13 16:40:13,919 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,931 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,932 WARN L623 FunctionHandler]: Unknown extern function usb_set_interface [2022-12-13 16:40:13,934 WARN L623 FunctionHandler]: Unknown extern function usb_set_interface [2022-12-13 16:40:13,935 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 16:40:13,936 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-13 16:40:13,936 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-13 16:40:13,936 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-13 16:40:13,943 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 16:40:13,944 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 16:40:13,944 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 16:40:13,944 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 16:40:13,946 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,955 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,959 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 16:40:13,963 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-13 16:40:13,971 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:40:13,971 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-13 16:40:13,972 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 16:40:13,972 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:40:13,974 WARN L623 FunctionHandler]: Unknown extern function v4l2_event_queue_fh [2022-12-13 16:40:13,977 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-13 16:40:13,978 WARN L623 FunctionHandler]: Unknown extern function v4l2_event_queue_fh [2022-12-13 16:40:13,978 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:40:13,979 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-13 16:40:13,979 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 16:40:13,979 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:40:13,979 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-13 16:40:13,982 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:40:13,990 WARN L623 FunctionHandler]: Unknown extern function usb_match_one_id [2022-12-13 16:40:13,992 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,992 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,993 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,993 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 16:40:13,994 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,995 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,995 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:13,995 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-13 16:40:14,000 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 16:40:14,000 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:40:14,001 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:14,002 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:14,003 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 16:40:14,003 WARN L623 FunctionHandler]: Unknown extern function kmemdup [2022-12-13 16:40:14,004 WARN L623 FunctionHandler]: Unknown extern function kmemdup [2022-12-13 16:40:14,004 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 16:40:14,004 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:14,007 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:14,007 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-13 16:40:14,008 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:14,008 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:14,009 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 16:40:14,011 WARN L623 FunctionHandler]: Unknown extern function usb_match_one_id [2022-12-13 16:40:14,012 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:14,020 WARN L623 FunctionHandler]: Unknown extern function memweight [2022-12-13 16:40:14,022 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-13 16:40:14,023 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 16:40:14,023 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 16:40:14,023 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 16:40:14,023 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 16:40:14,024 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_merge [2022-12-13 16:40:14,024 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_replace [2022-12-13 16:40:14,026 WARN L623 FunctionHandler]: Unknown extern function input_event [2022-12-13 16:40:14,026 WARN L623 FunctionHandler]: Unknown extern function input_event [2022-12-13 16:40:14,027 WARN L623 FunctionHandler]: Unknown extern function strlcat [2022-12-13 16:40:14,027 WARN L623 FunctionHandler]: Unknown extern function input_register_device [2022-12-13 16:40:14,028 WARN L623 FunctionHandler]: Unknown extern function input_free_device [2022-12-13 16:40:14,029 WARN L623 FunctionHandler]: Unknown extern function input_unregister_device [2022-12-13 16:40:14,031 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:14,032 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:14,032 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:14,033 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:14,033 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:14,034 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:14,035 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:14,035 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-13 16:40:14,035 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:14,036 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-13 16:40:14,036 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 16:40:14,036 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 16:40:14,037 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-13 16:40:14,037 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 16:40:14,037 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-13 16:40:14,037 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 16:40:14,038 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 16:40:14,038 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-13 16:40:14,038 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:14,039 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:14,039 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:14,040 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:14,041 WARN L623 FunctionHandler]: Unknown extern function simple_read_from_buffer [2022-12-13 16:40:14,041 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 16:40:14,042 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-13 16:40:14,043 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_dir [2022-12-13 16:40:14,043 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:14,043 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_file [2022-12-13 16:40:14,043 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:14,044 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove_recursive [2022-12-13 16:40:14,044 WARN L623 FunctionHandler]: Unknown extern function debugfs_create_dir [2022-12-13 16:40:14,044 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:14,044 WARN L623 FunctionHandler]: Unknown extern function debugfs_remove_recursive [2022-12-13 16:40:14,046 WARN L623 FunctionHandler]: Unknown extern function no_llseek [2022-12-13 16:40:14,048 WARN L623 FunctionHandler]: Unknown extern function media_entity_create_link [2022-12-13 16:40:14,049 WARN L623 FunctionHandler]: Unknown extern function v4l2_device_register_subdev [2022-12-13 16:40:14,050 WARN L623 FunctionHandler]: Unknown extern function media_entity_cleanup [2022-12-13 16:40:14,050 WARN L623 FunctionHandler]: Unknown extern function media_entity_cleanup [2022-12-13 16:40:14,051 WARN L623 FunctionHandler]: Unknown extern function v4l2_subdev_init [2022-12-13 16:40:14,051 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-13 16:40:14,057 WARN L623 FunctionHandler]: Unknown extern function media_entity_init [2022-12-13 16:40:14,057 WARN L623 FunctionHandler]: Unknown extern function media_entity_init [2022-12-13 16:40:14,058 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:14,059 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 16:40:14,061 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-13 16:40:14,061 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 16:40:14,062 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 16:40:14,065 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_cd433d5b-530f-4558-a616-bfd329a1aae1/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[580326,580339] [2022-12-13 16:40:14,065 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_cd433d5b-530f-4558-a616-bfd329a1aae1/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[580473,580486] [2022-12-13 16:40:14,066 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_cd433d5b-530f-4558-a616-bfd329a1aae1/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[580612,580625] [2022-12-13 16:40:14,066 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_cd433d5b-530f-4558-a616-bfd329a1aae1/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[580770,580783] [2022-12-13 16:40:14,066 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 16:40:14,067 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 16:40:14,067 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 16:40:14,067 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 16:40:14,068 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 16:40:14,068 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 16:40:14,069 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 16:40:14,069 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 16:40:14,070 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 16:40:14,071 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 16:40:14,071 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-13 16:40:14,071 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:40:14,210 INFO L208 MainTranslator]: Completed translation [2022-12-13 16:40:14,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:40:14 WrapperNode [2022-12-13 16:40:14,210 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 16:40:14,211 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 16:40:14,211 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 16:40:14,212 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 16:40:14,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:40:14" (1/1) ... [2022-12-13 16:40:14,324 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:40:14" (1/1) ... [2022-12-13 16:40:14,586 INFO L138 Inliner]: procedures = 524, calls = 8784, calls flagged for inlining = 290, calls inlined = 230, statements flattened = 12954 [2022-12-13 16:40:14,586 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 16:40:14,587 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 16:40:14,587 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 16:40:14,587 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 16:40:14,595 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:40:14" (1/1) ... [2022-12-13 16:40:14,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:40:14" (1/1) ... [2022-12-13 16:40:14,697 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:40:14" (1/1) ... [2022-12-13 16:40:14,698 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:40:14" (1/1) ... [2022-12-13 16:40:14,866 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:40:14" (1/1) ... [2022-12-13 16:40:14,893 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:40:14" (1/1) ... [2022-12-13 16:40:14,945 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:40:14" (1/1) ... [2022-12-13 16:40:14,973 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:40:14" (1/1) ... [2022-12-13 16:40:15,066 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 16:40:15,067 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 16:40:15,067 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 16:40:15,067 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 16:40:15,068 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:40:14" (1/1) ... [2022-12-13 16:40:15,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:40:15,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd433d5b-530f-4558-a616-bfd329a1aae1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:40:15,096 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd433d5b-530f-4558-a616-bfd329a1aae1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 16:40:15,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd433d5b-530f-4558-a616-bfd329a1aae1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 16:40:15,135 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-12-13 16:40:15,135 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-12-13 16:40:15,135 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-12-13 16:40:15,135 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-12-13 16:40:15,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-13 16:40:15,135 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-13 16:40:15,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 16:40:15,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 16:40:15,135 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_read [2022-12-13 16:40:15,135 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_read [2022-12-13 16:40:15,135 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_release [2022-12-13 16:40:15,136 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_release [2022-12-13 16:40:15,136 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_find_control [2022-12-13 16:40:15,136 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_find_control [2022-12-13 16:40:15,136 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2022-12-13 16:40:15,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2022-12-13 16:40:15,136 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_ctrl_add_mapping [2022-12-13 16:40:15,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_ctrl_add_mapping [2022-12-13 16:40:15,167 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_buffer_finish [2022-12-13 16:40:15,167 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_buffer_finish [2022-12-13 16:40:15,167 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2022-12-13 16:40:15,167 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2022-12-13 16:40:15,167 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2022-12-13 16:40:15,167 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_wait_prepare [2022-12-13 16:40:15,167 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_wait_prepare [2022-12-13 16:40:15,167 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_alloc_urb_buffers [2022-12-13 16:40:15,167 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_alloc_urb_buffers [2022-12-13 16:40:15,167 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_clock_reset [2022-12-13 16:40:15,168 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_clock_reset [2022-12-13 16:40:15,168 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_one_id [2022-12-13 16:40:15,168 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_match_one_id [2022-12-13 16:40:15,168 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-13 16:40:15,168 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-13 16:40:15,168 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-12-13 16:40:15,168 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get_ts [2022-12-13 16:40:15,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get_ts [2022-12-13 16:40:15,168 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_entity_by_id [2022-12-13 16:40:15,168 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_entity_by_id [2022-12-13 16:40:15,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-13 16:40:15,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-13 16:40:15,168 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-12-13 16:40:15,169 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-12-13 16:40:15,169 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-12-13 16:40:15,169 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-12-13 16:40:15,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-13 16:40:15,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-13 16:40:15,169 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-13 16:40:15,169 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-13 16:40:15,169 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2022-12-13 16:40:15,169 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2022-12-13 16:40:15,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 16:40:15,169 INFO L130 BoogieDeclarations]: Found specification of procedure __chk_range_not_ok [2022-12-13 16:40:15,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __chk_range_not_ok [2022-12-13 16:40:15,169 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_query_v4l2_ctrl [2022-12-13 16:40:15,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_query_v4l2_ctrl [2022-12-13 16:40:15,170 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_data [2022-12-13 16:40:15,170 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_data [2022-12-13 16:40:15,170 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-12-13 16:40:15,170 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-12-13 16:40:15,170 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-12-13 16:40:15,170 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-12-13 16:40:15,170 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_ioctl [2022-12-13 16:40:15,170 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_ioctl [2022-12-13 16:40:15,170 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-13 16:40:15,170 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-13 16:40:15,170 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_populate_cache [2022-12-13 16:40:15,170 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_populate_cache [2022-12-13 16:40:15,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-13 16:40:15,171 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_add_info [2022-12-13 16:40:15,171 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_add_info [2022-12-13 16:40:15,171 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-12-13 16:40:15,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-12-13 16:40:15,171 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_buffer_done [2022-12-13 16:40:15,171 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_buffer_done [2022-12-13 16:40:15,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 16:40:15,171 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_query_ctrl [2022-12-13 16:40:15,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_query_ctrl [2022-12-13 16:40:15,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-13 16:40:15,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-13 16:40:15,171 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_wait_finish [2022-12-13 16:40:15,171 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_wait_finish [2022-12-13 16:40:15,171 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_reset_resume [2022-12-13 16:40:15,171 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_reset_resume [2022-12-13 16:40:15,172 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2022-12-13 16:40:15,172 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2022-12-13 16:40:15,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 16:40:15,172 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user [2022-12-13 16:40:15,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user [2022-12-13 16:40:15,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-13 16:40:15,172 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-13 16:40:15,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-12-13 16:40:15,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-12-13 16:40:15,172 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-12-13 16:40:15,172 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-12-13 16:40:15,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-12-13 16:40:15,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-12-13 16:40:15,172 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_scan_chain_forward [2022-12-13 16:40:15,172 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_scan_chain_forward [2022-12-13 16:40:15,172 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2022-12-13 16:40:15,172 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2022-12-13 16:40:15,172 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_commit_video [2022-12-13 16:40:15,172 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_commit_video [2022-12-13 16:40:15,172 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2022-12-13 16:40:15,172 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-12-13 16:40:15,173 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-12-13 16:40:15,173 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2022-12-13 16:40:15,173 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2022-12-13 16:40:15,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 16:40:15,173 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2022-12-13 16:40:15,173 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2022-12-13 16:40:15,173 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_ctrl_get [2022-12-13 16:40:15,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_ctrl_get [2022-12-13 16:40:15,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 16:40:15,173 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_find_endpoint [2022-12-13 16:40:15,173 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_find_endpoint [2022-12-13 16:40:15,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-13 16:40:15,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-13 16:40:15,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 16:40:15,173 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-13 16:40:15,173 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_endpoint_max_bpi [2022-12-13 16:40:15,173 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_endpoint_max_bpi [2022-12-13 16:40:15,173 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-12-13 16:40:15,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-12-13 16:40:15,173 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_set_video_ctrl [2022-12-13 16:40:15,174 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_set_video_ctrl [2022-12-13 16:40:15,174 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-12-13 16:40:15,174 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-12-13 16:40:15,174 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_delete [2022-12-13 16:40:15,174 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_delete [2022-12-13 16:40:15,174 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_commit_entity [2022-12-13 16:40:15,174 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_commit_entity [2022-12-13 16:40:15,174 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_free_urb_buffers [2022-12-13 16:40:15,174 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_free_urb_buffers [2022-12-13 16:40:15,174 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_del_event [2022-12-13 16:40:15,174 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_del_event [2022-12-13 16:40:15,174 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user [2022-12-13 16:40:15,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user [2022-12-13 16:40:15,174 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_open [2022-12-13 16:40:15,174 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_open [2022-12-13 16:40:15,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 16:40:15,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 16:40:15,174 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-12-13 16:40:15,174 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-12-13 16:40:15,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-13 16:40:15,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 16:40:15,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-13 16:40:15,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-13 16:40:15,175 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2022-12-13 16:40:15,175 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2022-12-13 16:40:15,175 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_fill_event [2022-12-13 16:40:15,175 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_fill_event [2022-12-13 16:40:15,175 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2022-12-13 16:40:15,175 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2022-12-13 16:40:15,175 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_get_plane_payload [2022-12-13 16:40:15,175 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_get_plane_payload [2022-12-13 16:40:15,175 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2022-12-13 16:40:15,175 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2022-12-13 16:40:15,175 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2022-12-13 16:40:15,175 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2022-12-13 16:40:15,175 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release [2022-12-13 16:40:15,175 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release [2022-12-13 16:40:15,175 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2022-12-13 16:40:15,175 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2022-12-13 16:40:15,175 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_debugfs_cleanup [2022-12-13 16:40:15,175 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_debugfs_cleanup [2022-12-13 16:40:15,175 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2022-12-13 16:40:15,176 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2022-12-13 16:40:15,176 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-12-13 16:40:15,176 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-12-13 16:40:15,176 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_queue_fh [2022-12-13 16:40:15,176 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_queue_fh [2022-12-13 16:40:15,176 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_init_video [2022-12-13 16:40:15,176 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_init_video [2022-12-13 16:40:15,176 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_status_start [2022-12-13 16:40:15,176 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_status_start [2022-12-13 16:40:15,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-13 16:40:15,176 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-13 16:40:15,176 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_intf [2022-12-13 16:40:15,176 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_intf [2022-12-13 16:40:15,176 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2022-12-13 16:40:15,176 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2022-12-13 16:40:15,176 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_find_control [2022-12-13 16:40:15,176 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_find_control [2022-12-13 16:40:15,176 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_clock_cleanup [2022-12-13 16:40:15,176 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_clock_cleanup [2022-12-13 16:40:15,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-12-13 16:40:15,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-12-13 16:40:15,177 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-12-13 16:40:15,177 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-12-13 16:40:15,177 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2022-12-13 16:40:15,177 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2022-12-13 16:40:15,177 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_buffer_prepare [2022-12-13 16:40:15,177 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_buffer_prepare [2022-12-13 16:40:15,177 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-12-13 16:40:15,177 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-12-13 16:40:15,177 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_set_zoom [2022-12-13 16:40:15,177 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_set_zoom [2022-12-13 16:40:15,177 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_test_bit [2022-12-13 16:40:15,177 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_test_bit [2022-12-13 16:40:15,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 16:40:15,177 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-13 16:40:15,177 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-13 16:40:15,177 INFO L130 BoogieDeclarations]: Found specification of procedure copy_in_user [2022-12-13 16:40:15,177 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_in_user [2022-12-13 16:40:15,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 16:40:15,177 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_status_stop [2022-12-13 16:40:15,177 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_status_stop [2022-12-13 16:40:15,177 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_alloc_entity [2022-12-13 16:40:15,177 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_alloc_entity [2022-12-13 16:40:15,178 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2022-12-13 16:40:15,178 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2022-12-13 16:40:15,178 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_query_ctrl [2022-12-13 16:40:15,178 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_query_ctrl [2022-12-13 16:40:15,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 16:40:15,178 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-12-13 16:40:15,178 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-12-13 16:40:15,178 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-12-13 16:40:15,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-12-13 16:40:15,178 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-12-13 16:40:15,178 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-12-13 16:40:15,178 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-12-13 16:40:15,178 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-12-13 16:40:15,178 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_dismiss_privileges [2022-12-13 16:40:15,178 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_dismiss_privileges [2022-12-13 16:40:15,178 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-12-13 16:40:15,178 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-12-13 16:40:15,178 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-12-13 16:40:15,178 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-12-13 16:40:15,178 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~__u8~0~X~$Pointer$~TO~~__s32~0 [2022-12-13 16:40:15,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~__u8~0~X~$Pointer$~TO~~__s32~0 [2022-12-13 16:40:15,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-13 16:40:15,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-13 16:40:15,179 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_clock_host_sof [2022-12-13 16:40:15,179 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_clock_host_sof [2022-12-13 16:40:15,179 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-12-13 16:40:15,179 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-12-13 16:40:15,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-13 16:40:15,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-13 16:40:15,179 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-12-13 16:40:15,179 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-12-13 16:40:15,179 INFO L130 BoogieDeclarations]: Found specification of procedure compat_alloc_user_space [2022-12-13 16:40:15,179 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_alloc_user_space [2022-12-13 16:40:15,179 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_plane_size [2022-12-13 16:40:15,179 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_plane_size [2022-12-13 16:40:15,179 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface [2022-12-13 16:40:15,179 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface [2022-12-13 16:40:15,179 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_print_terms [2022-12-13 16:40:15,179 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_print_terms [2022-12-13 16:40:15,179 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-12-13 16:40:15,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-12-13 16:40:15,179 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_has_privileges [2022-12-13 16:40:15,180 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_has_privileges [2022-12-13 16:40:15,180 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_enable [2022-12-13 16:40:15,180 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_enable [2022-12-13 16:40:15,180 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-13 16:40:15,180 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-13 16:40:15,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 16:40:15,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-13 16:40:15,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-13 16:40:15,180 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2022-12-13 16:40:15,180 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2022-12-13 16:40:15,180 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_init [2022-12-13 16:40:15,180 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_init [2022-12-13 16:40:15,180 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-12-13 16:40:15,180 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-12-13 16:40:15,180 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_entity_match_guid [2022-12-13 16:40:15,180 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_entity_match_guid [2022-12-13 16:40:15,180 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-12-13 16:40:15,180 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-12-13 16:40:15,180 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_uninit_video [2022-12-13 16:40:15,180 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_uninit_video [2022-12-13 16:40:15,180 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_debugfs_cleanup_stream [2022-12-13 16:40:15,181 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_debugfs_cleanup_stream [2022-12-13 16:40:15,181 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2022-12-13 16:40:15,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2022-12-13 16:40:15,181 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_queue_enable [2022-12-13 16:40:15,181 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_queue_enable [2022-12-13 16:40:15,181 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_get_video_ctrl [2022-12-13 16:40:15,181 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_get_video_ctrl [2022-12-13 16:40:15,181 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2022-12-13 16:40:15,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2022-12-13 16:40:15,181 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-12-13 16:40:15,181 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-12-13 16:40:15,181 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_get_drv_priv [2022-12-13 16:40:15,181 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_get_drv_priv [2022-12-13 16:40:15,181 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2022-12-13 16:40:15,181 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2022-12-13 16:40:15,181 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-12-13 16:40:15,181 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-12-13 16:40:15,181 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_buffer_queue [2022-12-13 16:40:15,181 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_buffer_queue [2022-12-13 16:40:15,181 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_resume [2022-12-13 16:40:15,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_resume [2022-12-13 16:40:15,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-13 16:40:15,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-13 16:40:15,182 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_unregister_video [2022-12-13 16:40:15,182 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_unregister_video [2022-12-13 16:40:15,182 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intf [2022-12-13 16:40:15,182 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intf [2022-12-13 16:40:15,182 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_resume [2022-12-13 16:40:15,182 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_resume [2022-12-13 16:40:15,182 INFO L130 BoogieDeclarations]: Found specification of procedure kmemdup [2022-12-13 16:40:15,182 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemdup [2022-12-13 16:40:15,182 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_cleanup [2022-12-13 16:40:15,182 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_cleanup [2022-12-13 16:40:15,182 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_queue_streaming [2022-12-13 16:40:15,182 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_queue_streaming [2022-12-13 16:40:15,182 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_disconnect [2022-12-13 16:40:15,182 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_disconnect [2022-12-13 16:40:15,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 16:40:15,182 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2022-12-13 16:40:15,182 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2022-12-13 16:40:15,182 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_get_zoom [2022-12-13 16:40:15,182 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_get_zoom [2022-12-13 16:40:15,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-12-13 16:40:15,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-12-13 16:40:15,999 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 16:40:16,002 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 16:40:16,147 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-13 16:40:16,675 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10870: assume -9223372036854775808 <= __copy_to_user_nocheck_#t~ret1048#1 && __copy_to_user_nocheck_#t~ret1048#1 <= 9223372036854775807;__copy_to_user_nocheck_~tmp___1~16#1 := __copy_to_user_nocheck_#t~ret1048#1;havoc __copy_to_user_nocheck_#t~ret1048#1; [2022-12-13 16:40:16,675 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10858: assume 0 != __copy_to_user_nocheck_~tmp___0~26#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-12-13 16:40:16,676 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10858: assume !(0 != __copy_to_user_nocheck_~tmp___0~26#1);__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-12-13 16:40:16,676 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; [2022-12-13 16:40:16,676 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; [2022-12-13 16:40:16,676 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; [2022-12-13 16:40:16,676 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint __copy_to_user_nocheck_case_16#1: SUMMARY for call __copy_to_user_nocheck_#t~ret1048#1 := ldv__builtin_expect((if 0 != __copy_to_user_nocheck_~ret~18#1 then 1 else 0), 0); srcloc: null [2022-12-13 16:40:16,676 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint __copy_to_user_nocheck_case_10#1: SUMMARY for call __copy_to_user_nocheck_#t~ret1047#1 := ldv__builtin_expect((if 0 != __copy_to_user_nocheck_~ret~18#1 then 1 else 0), 0); srcloc: null [2022-12-13 16:40:16,676 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10872: assume 0 != __copy_to_user_nocheck_~tmp___1~16#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-12-13 16:40:16,676 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10872: assume !(0 != __copy_to_user_nocheck_~tmp___1~16#1);__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-12-13 16:40:16,676 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10827: assume 10 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-12-13 16:40:16,677 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10827: assume !(10 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-12-13 16:40:16,677 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10831: assume 16 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-12-13 16:40:16,677 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10831: assume !(16 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-12-13 16:40:16,677 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume 1 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-12-13 16:40:16,677 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10819: assume 4 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-12-13 16:40:16,677 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10819: assume !(4 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-12-13 16:40:16,677 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10856: assume -9223372036854775808 <= __copy_to_user_nocheck_#t~ret1047#1 && __copy_to_user_nocheck_#t~ret1047#1 <= 9223372036854775807;__copy_to_user_nocheck_~tmp___0~26#1 := __copy_to_user_nocheck_#t~ret1047#1;havoc __copy_to_user_nocheck_#t~ret1047#1; [2022-12-13 16:40:16,677 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; [2022-12-13 16:40:16,677 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !(1 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-12-13 16:40:16,678 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10823: assume 8 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-12-13 16:40:16,678 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10823: assume !(8 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-12-13 16:40:16,678 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint __copy_to_user_nocheck_switch_default#1: SUMMARY for call __copy_to_user_nocheck_#t~ret1049#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 [2022-12-13 16:40:16,678 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10815: assume 2 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-12-13 16:40:16,678 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10815: assume !(2 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-12-13 16:40:16,678 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10882: __copy_to_user_nocheck_~tmp___2~11#1 := __copy_to_user_nocheck_#t~ret1049#1;havoc __copy_to_user_nocheck_#t~ret1049#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); [2022-12-13 16:40:18,888 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10779: __copy_from_user_nocheck_~tmp___2~10#1 := __copy_from_user_nocheck_#t~ret1044#1;havoc __copy_from_user_nocheck_#t~ret1044#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); [2022-12-13 16:40:18,888 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint __copy_from_user_nocheck_switch_default#1: SUMMARY for call __copy_from_user_nocheck_#t~ret1044#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 [2022-12-13 16:40:18,889 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; [2022-12-13 16:40:18,889 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; [2022-12-13 16:40:18,889 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; [2022-12-13 16:40:18,889 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10767: assume -9223372036854775808 <= __copy_from_user_nocheck_#t~ret1043#1 && __copy_from_user_nocheck_#t~ret1043#1 <= 9223372036854775807;__copy_from_user_nocheck_~tmp___1~15#1 := __copy_from_user_nocheck_#t~ret1043#1;havoc __copy_from_user_nocheck_#t~ret1043#1; [2022-12-13 16:40:18,889 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10722: assume 16 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-12-13 16:40:18,889 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10722: assume !(16 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-12-13 16:40:18,889 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10714: assume 8 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-12-13 16:40:18,889 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10714: assume !(8 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-12-13 16:40:18,889 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10718: assume 10 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-12-13 16:40:18,889 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10718: assume !(10 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-12-13 16:40:18,889 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10706: assume 2 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-12-13 16:40:18,889 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10706: assume !(2 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-12-13 16:40:18,889 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10710: assume 4 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-12-13 16:40:18,889 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10710: assume !(4 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-12-13 16:40:18,889 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint __copy_from_user_nocheck_case_16#1: SUMMARY for call __copy_from_user_nocheck_#t~ret1043#1 := ldv__builtin_expect((if 0 != __copy_from_user_nocheck_~ret~17#1 then 1 else 0), 0); srcloc: null [2022-12-13 16:40:18,889 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10752: assume -9223372036854775808 <= __copy_from_user_nocheck_#t~ret1042#1 && __copy_from_user_nocheck_#t~ret1042#1 <= 9223372036854775807;__copy_from_user_nocheck_~tmp___0~25#1 := __copy_from_user_nocheck_#t~ret1042#1;havoc __copy_from_user_nocheck_#t~ret1042#1; [2022-12-13 16:40:18,889 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; [2022-12-13 16:40:18,890 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10769: assume 0 != __copy_from_user_nocheck_~tmp___1~15#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-12-13 16:40:18,890 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10769: assume !(0 != __copy_from_user_nocheck_~tmp___1~15#1);__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-12-13 16:40:18,890 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume 1 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-12-13 16:40:18,890 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !(1 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-12-13 16:40:18,890 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10754: assume 0 != __copy_from_user_nocheck_~tmp___0~25#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-12-13 16:40:18,890 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10754: assume !(0 != __copy_from_user_nocheck_~tmp___0~25#1);__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-12-13 16:40:18,890 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint __copy_from_user_nocheck_case_10#1: SUMMARY for call __copy_from_user_nocheck_#t~ret1042#1 := ldv__builtin_expect((if 0 != __copy_from_user_nocheck_~ret~17#1 then 1 else 0), 0); srcloc: null [2022-12-13 16:43:12,577 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 16:43:12,593 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 16:43:12,593 INFO L300 CfgBuilder]: Removed 9 assume(true) statements. [2022-12-13 16:43:12,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:43:12 BoogieIcfgContainer [2022-12-13 16:43:12,596 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 16:43:12,597 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 16:43:12,598 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 16:43:12,600 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 16:43:12,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 04:40:09" (1/3) ... [2022-12-13 16:43:12,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df46767 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:43:12, skipping insertion in model container [2022-12-13 16:43:12,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:40:14" (2/3) ... [2022-12-13 16:43:12,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df46767 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:43:12, skipping insertion in model container [2022-12-13 16:43:12,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:43:12" (3/3) ... [2022-12-13 16:43:12,602 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i [2022-12-13 16:43:12,615 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 16:43:12,615 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-12-13 16:43:12,682 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 16:43:12,686 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=PETRI_NET, 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;@1f2402d5, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 16:43:12,686 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-13 16:43:12,695 INFO L276 IsEmpty]: Start isEmpty. Operand has 2893 states, 2157 states have (on average 1.3620769587389894) internal successors, (2938), 2200 states have internal predecessors, (2938), 584 states have call successors, (584), 148 states have call predecessors, (584), 147 states have return successors, (577), 568 states have call predecessors, (577), 577 states have call successors, (577) [2022-12-13 16:43:12,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-12-13 16:43:12,703 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:43:12,703 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:43:12,704 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 16:43:12,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:43:12,707 INFO L85 PathProgramCache]: Analyzing trace with hash 2114318297, now seen corresponding path program 1 times [2022-12-13 16:43:12,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:43:12,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393738758] [2022-12-13 16:43:12,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:43:12,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:43:13,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:43:14,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 16:43:14,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:43:14,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:43:14,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:43:14,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:43:14,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:43:14,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 16:43:14,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:43:14,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-12-13 16:43:14,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:43:14,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 16:43:14,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:43:14,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-12-13 16:43:14,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:43:14,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:43:14,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:43:14,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-12-13 16:43:14,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:43:14,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 16:43:14,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:43:14,555 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-12-13 16:43:14,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:43:14,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393738758] [2022-12-13 16:43:14,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393738758] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:43:14,556 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:43:14,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 16:43:14,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100327542] [2022-12-13 16:43:14,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:43:14,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 16:43:14,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:43:14,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 16:43:14,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 16:43:14,595 INFO L87 Difference]: Start difference. First operand has 2893 states, 2157 states have (on average 1.3620769587389894) internal successors, (2938), 2200 states have internal predecessors, (2938), 584 states have call successors, (584), 148 states have call predecessors, (584), 147 states have return successors, (577), 568 states have call predecessors, (577), 577 states have call successors, (577) Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-13 16:43:16,778 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 [] [2022-12-13 16:43:20,317 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 [] [2022-12-13 16:43:32,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:43:32,142 INFO L93 Difference]: Finished difference Result 8681 states and 12431 transitions. [2022-12-13 16:43:32,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 16:43:32,145 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 75 [2022-12-13 16:43:32,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:43:32,177 INFO L225 Difference]: With dead ends: 8681 [2022-12-13 16:43:32,177 INFO L226 Difference]: Without dead ends: 5492 [2022-12-13 16:43:32,189 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 16:43:32,191 INFO L413 NwaCegarLoop]: 5444 mSDtfsCounter, 5312 mSDsluCounter, 11050 mSDsCounter, 0 mSdLazyCounter, 5671 mSolverCounterSat, 1446 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5784 SdHoareTripleChecker+Valid, 16494 SdHoareTripleChecker+Invalid, 7119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1446 IncrementalHoareTripleChecker+Valid, 5671 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.7s IncrementalHoareTripleChecker+Time [2022-12-13 16:43:32,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5784 Valid, 16494 Invalid, 7119 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1446 Valid, 5671 Invalid, 2 Unknown, 0 Unchecked, 16.7s Time] [2022-12-13 16:43:32,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5492 states. [2022-12-13 16:43:32,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5492 to 4899. [2022-12-13 16:43:32,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4899 states, 3697 states have (on average 1.3581282120638356) internal successors, (5021), 3749 states have internal predecessors, (5021), 936 states have call successors, (936), 263 states have call predecessors, (936), 262 states have return successors, (935), 918 states have call predecessors, (935), 932 states have call successors, (935) [2022-12-13 16:43:32,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4899 states to 4899 states and 6892 transitions. [2022-12-13 16:43:32,413 INFO L78 Accepts]: Start accepts. Automaton has 4899 states and 6892 transitions. Word has length 75 [2022-12-13 16:43:32,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:43:32,413 INFO L495 AbstractCegarLoop]: Abstraction has 4899 states and 6892 transitions. [2022-12-13 16:43:32,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-13 16:43:32,414 INFO L276 IsEmpty]: Start isEmpty. Operand 4899 states and 6892 transitions. [2022-12-13 16:43:32,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-12-13 16:43:32,420 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:43:32,420 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:43:32,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 16:43:32,421 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 16:43:32,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:43:32,421 INFO L85 PathProgramCache]: Analyzing trace with hash -1631409303, now seen corresponding path program 1 times [2022-12-13 16:43:32,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:43:32,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369784006] [2022-12-13 16:43:32,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:43:32,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:43:32,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:43:33,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 16:43:33,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:43:33,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:43:33,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:43:33,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:43:33,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:43:33,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 16:43:33,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:43:33,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-12-13 16:43:33,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:43:33,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 16:43:33,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:43:33,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-12-13 16:43:33,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:43:33,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:43:33,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:43:33,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:43:33,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:43:33,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 16:43:33,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:43:33,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 16:43:33,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:43:33,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:43:33,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:43:33,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:43:33,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:43:33,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 16:43:33,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:43:33,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-12-13 16:43:33,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:43:33,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:43:33,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:43:33,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:43:33,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:43:33,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 16:43:33,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:43:33,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 16:43:33,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:43:33,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:43:33,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:43:33,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:43:33,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:43:33,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 16:43:33,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:43:33,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 16:43:33,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:43:33,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:43:33,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:43:33,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:43:33,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:43:33,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 16:43:33,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:43:34,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 16:43:34,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:43:34,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:43:34,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:43:34,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:43:34,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:43:34,030 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2022-12-13 16:43:34,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:43:34,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369784006] [2022-12-13 16:43:34,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369784006] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:43:34,031 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:43:34,031 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 16:43:34,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451502915] [2022-12-13 16:43:34,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:43:34,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 16:43:34,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:43:34,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 16:43:34,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 16:43:34,033 INFO L87 Difference]: Start difference. First operand 4899 states and 6892 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-13 16:43:36,200 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 [] [2022-12-13 16:43:38,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:43:41,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:43:44,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:43:48,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:44:03,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:44:03,715 INFO L93 Difference]: Finished difference Result 6395 states and 9225 transitions. [2022-12-13 16:44:03,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 16:44:03,716 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 182 [2022-12-13 16:44:03,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:44:03,739 INFO L225 Difference]: With dead ends: 6395 [2022-12-13 16:44:03,740 INFO L226 Difference]: Without dead ends: 6393 [2022-12-13 16:44:03,741 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-12-13 16:44:03,743 INFO L413 NwaCegarLoop]: 5409 mSDtfsCounter, 6350 mSDsluCounter, 11326 mSDsCounter, 0 mSdLazyCounter, 6356 mSolverCounterSat, 2596 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6924 SdHoareTripleChecker+Valid, 16735 SdHoareTripleChecker+Invalid, 8957 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2596 IncrementalHoareTripleChecker+Valid, 6356 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.1s IncrementalHoareTripleChecker+Time [2022-12-13 16:44:03,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6924 Valid, 16735 Invalid, 8957 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2596 Valid, 6356 Invalid, 5 Unknown, 0 Unchecked, 29.1s Time] [2022-12-13 16:44:03,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6393 states. [2022-12-13 16:44:03,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6393 to 4940. [2022-12-13 16:44:03,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4940 states, 3724 states have (on average 1.355531686358754) internal successors, (5048), 3776 states have internal predecessors, (5048), 942 states have call successors, (942), 271 states have call predecessors, (942), 270 states have return successors, (941), 924 states have call predecessors, (941), 938 states have call successors, (941) [2022-12-13 16:44:03,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4940 states to 4940 states and 6931 transitions. [2022-12-13 16:44:03,897 INFO L78 Accepts]: Start accepts. Automaton has 4940 states and 6931 transitions. Word has length 182 [2022-12-13 16:44:03,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:44:03,898 INFO L495 AbstractCegarLoop]: Abstraction has 4940 states and 6931 transitions. [2022-12-13 16:44:03,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-13 16:44:03,898 INFO L276 IsEmpty]: Start isEmpty. Operand 4940 states and 6931 transitions. [2022-12-13 16:44:03,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2022-12-13 16:44:03,907 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:44:03,907 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:44:03,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 16:44:03,907 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 16:44:03,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:44:03,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1017308964, now seen corresponding path program 1 times [2022-12-13 16:44:03,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:44:03,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262307574] [2022-12-13 16:44:03,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:44:03,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:44:04,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:04,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 16:44:04,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:04,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:44:04,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:04,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:44:04,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:04,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 16:44:04,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:04,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-12-13 16:44:04,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:04,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 16:44:04,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:04,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-12-13 16:44:04,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:04,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:44:04,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:04,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:44:04,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:04,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 16:44:04,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:04,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 16:44:04,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:04,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:44:04,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:04,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:44:04,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:05,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 16:44:05,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:05,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-12-13 16:44:05,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:05,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:44:05,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:05,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:44:05,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:05,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 16:44:05,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:05,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 16:44:05,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:05,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:44:05,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:05,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:44:05,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:05,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 16:44:05,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:05,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 16:44:05,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:05,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:44:05,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:05,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:44:05,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:05,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 16:44:05,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:05,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 16:44:05,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:05,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:44:05,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:05,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:44:05,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:05,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 16:44:05,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:05,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-12-13 16:44:05,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:05,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-12-13 16:44:05,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:05,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-12-13 16:44:05,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:05,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 16:44:05,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:05,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-12-13 16:44:05,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:05,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-12-13 16:44:05,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:05,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:44:05,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:05,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:44:05,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:05,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-12-13 16:44:05,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:05,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-12-13 16:44:05,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:05,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-12-13 16:44:05,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:05,266 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2022-12-13 16:44:05,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:44:05,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262307574] [2022-12-13 16:44:05,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262307574] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:44:05,266 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:44:05,267 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 16:44:05,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221944588] [2022-12-13 16:44:05,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:44:05,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 16:44:05,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:44:05,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 16:44:05,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-13 16:44:05,269 INFO L87 Difference]: Start difference. First operand 4940 states and 6931 transitions. Second operand has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 4 states have internal predecessors, (107), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-13 16:44:07,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:44:09,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:44:11,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:44:15,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:44:17,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:44:19,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:44:21,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:44:24,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:44:43,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:44:43,967 INFO L93 Difference]: Finished difference Result 10032 states and 14286 transitions. [2022-12-13 16:44:43,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 16:44:43,968 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 4 states have internal predecessors, (107), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 261 [2022-12-13 16:44:43,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:44:43,996 INFO L225 Difference]: With dead ends: 10032 [2022-12-13 16:44:43,996 INFO L226 Difference]: Without dead ends: 7315 [2022-12-13 16:44:44,004 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-12-13 16:44:44,005 INFO L413 NwaCegarLoop]: 4247 mSDtfsCounter, 4887 mSDsluCounter, 10689 mSDsCounter, 0 mSdLazyCounter, 7031 mSolverCounterSat, 2889 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4996 SdHoareTripleChecker+Valid, 14936 SdHoareTripleChecker+Invalid, 9928 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2889 IncrementalHoareTripleChecker+Valid, 7031 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.1s IncrementalHoareTripleChecker+Time [2022-12-13 16:44:44,005 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4996 Valid, 14936 Invalid, 9928 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2889 Valid, 7031 Invalid, 8 Unknown, 0 Unchecked, 38.1s Time] [2022-12-13 16:44:44,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7315 states. [2022-12-13 16:44:44,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7315 to 4944. [2022-12-13 16:44:44,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4944 states, 3728 states have (on average 1.3551502145922747) internal successors, (5052), 3780 states have internal predecessors, (5052), 942 states have call successors, (942), 271 states have call predecessors, (942), 270 states have return successors, (941), 924 states have call predecessors, (941), 938 states have call successors, (941) [2022-12-13 16:44:44,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4944 states to 4944 states and 6935 transitions. [2022-12-13 16:44:44,175 INFO L78 Accepts]: Start accepts. Automaton has 4944 states and 6935 transitions. Word has length 261 [2022-12-13 16:44:44,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:44:44,176 INFO L495 AbstractCegarLoop]: Abstraction has 4944 states and 6935 transitions. [2022-12-13 16:44:44,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 4 states have internal predecessors, (107), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-13 16:44:44,176 INFO L276 IsEmpty]: Start isEmpty. Operand 4944 states and 6935 transitions. [2022-12-13 16:44:44,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2022-12-13 16:44:44,181 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:44:44,181 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:44:44,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 16:44:44,181 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 16:44:44,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:44:44,182 INFO L85 PathProgramCache]: Analyzing trace with hash -566876724, now seen corresponding path program 1 times [2022-12-13 16:44:44,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:44:44,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192907894] [2022-12-13 16:44:44,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:44:44,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:44:44,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:44,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 16:44:44,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:44,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:44:44,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:44,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:44:44,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:44,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 16:44:44,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:44,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-12-13 16:44:44,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:44,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 16:44:44,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:44,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-12-13 16:44:44,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:44,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:44:44,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:44,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:44:44,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:44,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 16:44:44,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:44,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 16:44:44,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:44,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:44:44,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:44,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:44:44,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:44,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 16:44:44,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:44,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-12-13 16:44:44,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:44,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:44:44,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:44,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:44:44,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:44,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 16:44:44,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:44,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 16:44:44,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:44,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:44:44,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:44,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:44:44,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:44,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 16:44:44,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:44,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 16:44:44,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:44,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:44:44,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:44,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:44:44,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:44,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 16:44:44,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:44,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 16:44:44,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:44,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:44:44,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:44,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:44:44,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:44,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 16:44:44,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:44,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-12-13 16:44:44,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:44,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-12-13 16:44:44,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:44,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-12-13 16:44:44,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:45,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 16:44:45,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:45,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-12-13 16:44:45,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:45,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-12-13 16:44:45,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:45,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:44:45,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:45,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:44:45,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:45,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-12-13 16:44:45,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:45,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-12-13 16:44:45,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:45,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-12-13 16:44:45,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:44:45,054 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2022-12-13 16:44:45,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:44:45,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192907894] [2022-12-13 16:44:45,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192907894] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:44:45,055 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:44:45,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 16:44:45,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064361200] [2022-12-13 16:44:45,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:44:45,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 16:44:45,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:44:45,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 16:44:45,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 16:44:45,056 INFO L87 Difference]: Start difference. First operand 4944 states and 6935 transitions. Second operand has 6 states, 6 states have (on average 19.5) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-13 16:44:47,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:44:49,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:44:51,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:44:55,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:44:57,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:44:59,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:45:02,232 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 [] [2022-12-13 16:45:17,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:45:17,957 INFO L93 Difference]: Finished difference Result 10797 states and 15328 transitions. [2022-12-13 16:45:17,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 16:45:17,958 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.5) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 271 [2022-12-13 16:45:17,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:45:17,976 INFO L225 Difference]: With dead ends: 10797 [2022-12-13 16:45:17,976 INFO L226 Difference]: Without dead ends: 5925 [2022-12-13 16:45:17,985 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-13 16:45:17,986 INFO L413 NwaCegarLoop]: 3090 mSDtfsCounter, 2156 mSDsluCounter, 7698 mSDsCounter, 0 mSdLazyCounter, 5930 mSolverCounterSat, 1567 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2265 SdHoareTripleChecker+Valid, 10788 SdHoareTripleChecker+Invalid, 7504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1567 IncrementalHoareTripleChecker+Valid, 5930 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.4s IncrementalHoareTripleChecker+Time [2022-12-13 16:45:17,987 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2265 Valid, 10788 Invalid, 7504 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1567 Valid, 5930 Invalid, 7 Unknown, 0 Unchecked, 32.4s Time] [2022-12-13 16:45:17,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5925 states. [2022-12-13 16:45:18,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5925 to 4946. [2022-12-13 16:45:18,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4946 states, 3730 states have (on average 1.3549597855227882) internal successors, (5054), 3782 states have internal predecessors, (5054), 942 states have call successors, (942), 271 states have call predecessors, (942), 270 states have return successors, (941), 924 states have call predecessors, (941), 938 states have call successors, (941) [2022-12-13 16:45:18,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4946 states to 4946 states and 6937 transitions. [2022-12-13 16:45:18,138 INFO L78 Accepts]: Start accepts. Automaton has 4946 states and 6937 transitions. Word has length 271 [2022-12-13 16:45:18,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:45:18,139 INFO L495 AbstractCegarLoop]: Abstraction has 4946 states and 6937 transitions. [2022-12-13 16:45:18,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.5) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-13 16:45:18,139 INFO L276 IsEmpty]: Start isEmpty. Operand 4946 states and 6937 transitions. [2022-12-13 16:45:18,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2022-12-13 16:45:18,144 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:45:18,144 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:45:18,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 16:45:18,144 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 16:45:18,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:45:18,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1882723406, now seen corresponding path program 1 times [2022-12-13 16:45:18,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:45:18,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619918786] [2022-12-13 16:45:18,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:45:18,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:45:18,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:19,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 16:45:19,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:19,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:45:19,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:19,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:45:19,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:19,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 16:45:19,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:19,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-12-13 16:45:19,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:19,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 16:45:19,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:19,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-12-13 16:45:19,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:19,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:45:19,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:19,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:45:19,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:19,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 16:45:19,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:19,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 16:45:19,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:19,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:45:19,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:19,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:45:19,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:19,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 16:45:19,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:19,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-12-13 16:45:19,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:19,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:45:19,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:19,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:45:19,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:19,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 16:45:19,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:19,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 16:45:19,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:19,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:45:19,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:19,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:45:19,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:19,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 16:45:19,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:19,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 16:45:19,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:19,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:45:19,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:19,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:45:19,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:19,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 16:45:19,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:19,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 16:45:19,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:19,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:45:19,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:19,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:45:19,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:19,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 16:45:19,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:19,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-12-13 16:45:19,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:19,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-12-13 16:45:19,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:19,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-12-13 16:45:19,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:19,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 16:45:19,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:19,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-12-13 16:45:19,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:19,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-12-13 16:45:19,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:19,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:45:19,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:19,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:45:19,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:19,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-12-13 16:45:19,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:19,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-12-13 16:45:19,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:19,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-12-13 16:45:19,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:19,686 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2022-12-13 16:45:19,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:45:19,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619918786] [2022-12-13 16:45:19,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619918786] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:45:19,687 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:45:19,687 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 16:45:19,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277721599] [2022-12-13 16:45:19,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:45:19,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 16:45:19,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:45:19,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 16:45:19,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-12-13 16:45:19,689 INFO L87 Difference]: Start difference. First operand 4946 states and 6937 transitions. Second operand has 9 states, 9 states have (on average 13.0) internal successors, (117), 5 states have internal predecessors, (117), 2 states have call successors, (30), 5 states have call predecessors, (30), 2 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-13 16:45:21,861 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 [] [2022-12-13 16:45:23,868 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:45:25,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:45:30,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:45:32,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:45:35,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:45:41,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:45:56,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:45:56,039 INFO L93 Difference]: Finished difference Result 8648 states and 12094 transitions. [2022-12-13 16:45:56,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 16:45:56,040 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 5 states have internal predecessors, (117), 2 states have call successors, (30), 5 states have call predecessors, (30), 2 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) Word has length 271 [2022-12-13 16:45:56,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:45:56,059 INFO L225 Difference]: With dead ends: 8648 [2022-12-13 16:45:56,059 INFO L226 Difference]: Without dead ends: 5935 [2022-12-13 16:45:56,064 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2022-12-13 16:45:56,065 INFO L413 NwaCegarLoop]: 3105 mSDtfsCounter, 2948 mSDsluCounter, 14455 mSDsCounter, 0 mSdLazyCounter, 9424 mSolverCounterSat, 2297 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3058 SdHoareTripleChecker+Valid, 17560 SdHoareTripleChecker+Invalid, 11727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2297 IncrementalHoareTripleChecker+Valid, 9424 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.7s IncrementalHoareTripleChecker+Time [2022-12-13 16:45:56,065 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3058 Valid, 17560 Invalid, 11727 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2297 Valid, 9424 Invalid, 6 Unknown, 0 Unchecked, 35.7s Time] [2022-12-13 16:45:56,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5935 states. [2022-12-13 16:45:56,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5935 to 4956. [2022-12-13 16:45:56,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4956 states, 3738 states have (on average 1.3542001070090959) internal successors, (5062), 3790 states have internal predecessors, (5062), 942 states have call successors, (942), 271 states have call predecessors, (942), 272 states have return successors, (943), 926 states have call predecessors, (943), 938 states have call successors, (943) [2022-12-13 16:45:56,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4956 states to 4956 states and 6947 transitions. [2022-12-13 16:45:56,201 INFO L78 Accepts]: Start accepts. Automaton has 4956 states and 6947 transitions. Word has length 271 [2022-12-13 16:45:56,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:45:56,201 INFO L495 AbstractCegarLoop]: Abstraction has 4956 states and 6947 transitions. [2022-12-13 16:45:56,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 5 states have internal predecessors, (117), 2 states have call successors, (30), 5 states have call predecessors, (30), 2 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-13 16:45:56,202 INFO L276 IsEmpty]: Start isEmpty. Operand 4956 states and 6947 transitions. [2022-12-13 16:45:56,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2022-12-13 16:45:56,207 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:45:56,207 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:45:56,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 16:45:56,207 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 16:45:56,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:45:56,207 INFO L85 PathProgramCache]: Analyzing trace with hash 861655052, now seen corresponding path program 1 times [2022-12-13 16:45:56,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:45:56,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217829973] [2022-12-13 16:45:56,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:45:56,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:45:56,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:58,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 16:45:58,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:58,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:45:58,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:58,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:45:58,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:58,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 16:45:58,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:58,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-12-13 16:45:58,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:58,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 16:45:58,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:58,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-12-13 16:45:58,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:58,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:45:58,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:58,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:45:58,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:59,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 16:45:59,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:59,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 16:45:59,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:59,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:45:59,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:59,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:45:59,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:59,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 16:45:59,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:59,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-12-13 16:45:59,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:59,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:45:59,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:59,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:45:59,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:59,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 16:45:59,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:59,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 16:45:59,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:59,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:45:59,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:59,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:45:59,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:59,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 16:45:59,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:59,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 16:45:59,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:59,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:45:59,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:59,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:45:59,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:59,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 16:45:59,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:59,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 16:45:59,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:59,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:45:59,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:59,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:45:59,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:59,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 16:45:59,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:59,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-12-13 16:45:59,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:59,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-12-13 16:45:59,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:59,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-12-13 16:45:59,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:59,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-12-13 16:45:59,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:59,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-12-13 16:45:59,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:59,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-12-13 16:45:59,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:59,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:45:59,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:59,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:45:59,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:59,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-12-13 16:45:59,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:59,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-12-13 16:45:59,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:59,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-12-13 16:45:59,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:45:59,724 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2022-12-13 16:45:59,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:45:59,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217829973] [2022-12-13 16:45:59,724 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217829973] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:45:59,724 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:45:59,724 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-13 16:45:59,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409744458] [2022-12-13 16:45:59,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:45:59,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-13 16:45:59,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:45:59,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-13 16:45:59,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2022-12-13 16:45:59,726 INFO L87 Difference]: Start difference. First operand 4956 states and 6947 transitions. Second operand has 13 states, 13 states have (on average 9.0) internal successors, (117), 8 states have internal predecessors, (117), 2 states have call successors, (30), 5 states have call predecessors, (30), 3 states have return successors, (28), 4 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-13 16:46:01,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:46:03,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:46:05,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:46:17,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:46:19,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:46:21,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:46:24,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:46:53,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:46:55,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:46:55,998 INFO L93 Difference]: Finished difference Result 10923 states and 15512 transitions. [2022-12-13 16:46:55,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 16:46:55,999 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 9.0) internal successors, (117), 8 states have internal predecessors, (117), 2 states have call successors, (30), 5 states have call predecessors, (30), 3 states have return successors, (28), 4 states have call predecessors, (28), 2 states have call successors, (28) Word has length 271 [2022-12-13 16:46:56,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:46:56,028 INFO L225 Difference]: With dead ends: 10923 [2022-12-13 16:46:56,028 INFO L226 Difference]: Without dead ends: 6007 [2022-12-13 16:46:56,038 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=79, Invalid=301, Unknown=0, NotChecked=0, Total=380 [2022-12-13 16:46:56,038 INFO L413 NwaCegarLoop]: 3092 mSDtfsCounter, 2227 mSDsluCounter, 26432 mSDsCounter, 0 mSdLazyCounter, 16651 mSolverCounterSat, 1622 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2361 SdHoareTripleChecker+Valid, 29524 SdHoareTripleChecker+Invalid, 18280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1622 IncrementalHoareTripleChecker+Valid, 16651 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55.1s IncrementalHoareTripleChecker+Time [2022-12-13 16:46:56,039 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2361 Valid, 29524 Invalid, 18280 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1622 Valid, 16651 Invalid, 7 Unknown, 0 Unchecked, 55.1s Time] [2022-12-13 16:46:56,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6007 states. [2022-12-13 16:46:56,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6007 to 4966. [2022-12-13 16:46:56,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4966 states, 3746 states have (on average 1.3534436732514683) internal successors, (5070), 3798 states have internal predecessors, (5070), 942 states have call successors, (942), 271 states have call predecessors, (942), 274 states have return successors, (953), 928 states have call predecessors, (953), 938 states have call successors, (953) [2022-12-13 16:46:56,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4966 states to 4966 states and 6965 transitions. [2022-12-13 16:46:56,216 INFO L78 Accepts]: Start accepts. Automaton has 4966 states and 6965 transitions. Word has length 271 [2022-12-13 16:46:56,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:46:56,217 INFO L495 AbstractCegarLoop]: Abstraction has 4966 states and 6965 transitions. [2022-12-13 16:46:56,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.0) internal successors, (117), 8 states have internal predecessors, (117), 2 states have call successors, (30), 5 states have call predecessors, (30), 3 states have return successors, (28), 4 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-13 16:46:56,217 INFO L276 IsEmpty]: Start isEmpty. Operand 4966 states and 6965 transitions. [2022-12-13 16:46:56,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2022-12-13 16:46:56,223 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:46:56,223 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:46:56,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 16:46:56,223 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 16:46:56,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:46:56,224 INFO L85 PathProgramCache]: Analyzing trace with hash -1786981174, now seen corresponding path program 1 times [2022-12-13 16:46:56,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:46:56,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504348168] [2022-12-13 16:46:56,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:46:56,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:46:56,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:57,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 16:46:57,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:57,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:46:57,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:57,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:46:57,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:57,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 16:46:57,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:57,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-12-13 16:46:57,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:57,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 16:46:57,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:57,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-12-13 16:46:57,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:57,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:46:57,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:57,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:46:57,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:57,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 16:46:57,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:57,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 16:46:57,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:57,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:46:57,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:57,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:46:57,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:57,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 16:46:57,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:57,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-12-13 16:46:57,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:57,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:46:57,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:57,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:46:57,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:57,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 16:46:57,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:57,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 16:46:57,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:57,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:46:57,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:57,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:46:57,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:57,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 16:46:57,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:57,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-12-13 16:46:57,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:57,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:46:57,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:57,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:46:57,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:57,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 16:46:57,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:57,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-12-13 16:46:57,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:57,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:46:57,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:57,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:46:57,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:57,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-12-13 16:46:57,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:57,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:46:57,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:57,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-12-13 16:46:57,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:57,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-12-13 16:46:57,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:57,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-12-13 16:46:57,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:57,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-12-13 16:46:57,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:57,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-12-13 16:46:57,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:57,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:46:57,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:57,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-12-13 16:46:57,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:57,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:46:57,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:57,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:46:57,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:57,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:46:57,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:57,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 16:46:57,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:57,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 16:46:57,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:57,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-12-13 16:46:57,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:57,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-12-13 16:46:57,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:57,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-12-13 16:46:57,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:46:57,953 INFO L134 CoverageAnalysis]: Checked inductivity of 575 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 575 trivial. 0 not checked. [2022-12-13 16:46:57,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:46:57,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504348168] [2022-12-13 16:46:57,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504348168] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:46:57,953 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:46:57,953 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-13 16:46:57,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783926167] [2022-12-13 16:46:57,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:46:57,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 16:46:57,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:46:57,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 16:46:57,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-12-13 16:46:57,955 INFO L87 Difference]: Start difference. First operand 4966 states and 6965 transitions. Second operand has 11 states, 11 states have (on average 11.272727272727273) internal successors, (124), 5 states have internal predecessors, (124), 2 states have call successors, (37), 8 states have call predecessors, (37), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-12-13 16:47:00,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:47:07,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:47:10,077 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 [] [2022-12-13 16:47:32,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:47:32,211 INFO L93 Difference]: Finished difference Result 9870 states and 13958 transitions. [2022-12-13 16:47:32,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 16:47:32,212 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.272727272727273) internal successors, (124), 5 states have internal predecessors, (124), 2 states have call successors, (37), 8 states have call predecessors, (37), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 295 [2022-12-13 16:47:32,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:47:32,231 INFO L225 Difference]: With dead ends: 9870 [2022-12-13 16:47:32,232 INFO L226 Difference]: Without dead ends: 7153 [2022-12-13 16:47:32,238 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2022-12-13 16:47:32,239 INFO L413 NwaCegarLoop]: 3418 mSDtfsCounter, 3875 mSDsluCounter, 13595 mSDsCounter, 0 mSdLazyCounter, 10353 mSolverCounterSat, 1639 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4246 SdHoareTripleChecker+Valid, 17013 SdHoareTripleChecker+Invalid, 11995 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1639 IncrementalHoareTripleChecker+Valid, 10353 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.5s IncrementalHoareTripleChecker+Time [2022-12-13 16:47:32,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4246 Valid, 17013 Invalid, 11995 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1639 Valid, 10353 Invalid, 3 Unknown, 0 Unchecked, 33.5s Time] [2022-12-13 16:47:32,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7153 states. [2022-12-13 16:47:32,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7153 to 4972. [2022-12-13 16:47:32,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4972 states, 3752 states have (on average 1.3528784648187633) internal successors, (5076), 3804 states have internal predecessors, (5076), 942 states have call successors, (942), 271 states have call predecessors, (942), 274 states have return successors, (953), 928 states have call predecessors, (953), 938 states have call successors, (953) [2022-12-13 16:47:32,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4972 states to 4972 states and 6971 transitions. [2022-12-13 16:47:32,387 INFO L78 Accepts]: Start accepts. Automaton has 4972 states and 6971 transitions. Word has length 295 [2022-12-13 16:47:32,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:47:32,388 INFO L495 AbstractCegarLoop]: Abstraction has 4972 states and 6971 transitions. [2022-12-13 16:47:32,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.272727272727273) internal successors, (124), 5 states have internal predecessors, (124), 2 states have call successors, (37), 8 states have call predecessors, (37), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-12-13 16:47:32,388 INFO L276 IsEmpty]: Start isEmpty. Operand 4972 states and 6971 transitions. [2022-12-13 16:47:32,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2022-12-13 16:47:32,392 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:47:32,392 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:47:32,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 16:47:32,392 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 16:47:32,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:47:32,393 INFO L85 PathProgramCache]: Analyzing trace with hash 1129626940, now seen corresponding path program 1 times [2022-12-13 16:47:32,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:47:32,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914240624] [2022-12-13 16:47:32,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:47:32,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:47:32,596 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 16:47:32,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2040901091] [2022-12-13 16:47:32,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:47:32,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:47:32,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd433d5b-530f-4558-a616-bfd329a1aae1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:47:32,598 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd433d5b-530f-4558-a616-bfd329a1aae1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:47:32,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd433d5b-530f-4558-a616-bfd329a1aae1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 16:47:34,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:47:34,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 11834 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 16:47:34,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:47:35,374 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 473 trivial. 0 not checked. [2022-12-13 16:47:35,374 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 16:47:35,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:47:35,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914240624] [2022-12-13 16:47:35,375 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 16:47:35,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2040901091] [2022-12-13 16:47:35,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2040901091] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:47:35,375 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:47:35,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 16:47:35,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633142760] [2022-12-13 16:47:35,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:47:35,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 16:47:35,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:47:35,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 16:47:35,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 16:47:35,378 INFO L87 Difference]: Start difference. First operand 4972 states and 6971 transitions. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 2 states have internal predecessors, (122), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-12-13 16:47:35,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:47:35,846 INFO L93 Difference]: Finished difference Result 9852 states and 13861 transitions. [2022-12-13 16:47:35,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 16:47:35,847 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 2 states have internal predecessors, (122), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 292 [2022-12-13 16:47:35,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:47:35,858 INFO L225 Difference]: With dead ends: 9852 [2022-12-13 16:47:35,858 INFO L226 Difference]: Without dead ends: 4917 [2022-12-13 16:47:35,867 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 16:47:35,868 INFO L413 NwaCegarLoop]: 3832 mSDtfsCounter, 3760 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3760 SdHoareTripleChecker+Valid, 3832 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 16:47:35,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3760 Valid, 3832 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 16:47:35,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4917 states. [2022-12-13 16:47:35,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4917 to 4917. [2022-12-13 16:47:35,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4917 states, 3709 states have (on average 1.3114046912914532) internal successors, (4864), 3761 states have internal predecessors, (4864), 932 states have call successors, (932), 269 states have call predecessors, (932), 272 states have return successors, (943), 918 states have call predecessors, (943), 928 states have call successors, (943) [2022-12-13 16:47:36,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4917 states to 4917 states and 6739 transitions. [2022-12-13 16:47:36,005 INFO L78 Accepts]: Start accepts. Automaton has 4917 states and 6739 transitions. Word has length 292 [2022-12-13 16:47:36,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:47:36,005 INFO L495 AbstractCegarLoop]: Abstraction has 4917 states and 6739 transitions. [2022-12-13 16:47:36,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 2 states have internal predecessors, (122), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-12-13 16:47:36,006 INFO L276 IsEmpty]: Start isEmpty. Operand 4917 states and 6739 transitions. [2022-12-13 16:47:36,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2022-12-13 16:47:36,010 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:47:36,010 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:47:36,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd433d5b-530f-4558-a616-bfd329a1aae1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 16:47:36,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd433d5b-530f-4558-a616-bfd329a1aae1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:47:36,211 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 16:47:36,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:47:36,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1554181574, now seen corresponding path program 1 times [2022-12-13 16:47:36,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:47:36,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172929743] [2022-12-13 16:47:36,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:47:36,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:47:36,412 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 16:47:36,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [549935491] [2022-12-13 16:47:36,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:47:36,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:47:36,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd433d5b-530f-4558-a616-bfd329a1aae1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:47:36,413 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd433d5b-530f-4558-a616-bfd329a1aae1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:47:36,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd433d5b-530f-4558-a616-bfd329a1aae1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 16:47:38,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:47:38,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 11837 conjuncts, 40 conjunts are in the unsatisfiable core [2022-12-13 16:47:38,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:47:38,524 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 188 proven. 3 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-12-13 16:47:38,525 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 16:47:39,194 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 3 proven. 57 refuted. 0 times theorem prover too weak. 413 trivial. 0 not checked. [2022-12-13 16:47:39,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:47:39,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172929743] [2022-12-13 16:47:39,195 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 16:47:39,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [549935491] [2022-12-13 16:47:39,195 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [549935491] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 16:47:39,195 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 16:47:39,195 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 14 [2022-12-13 16:47:39,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134337254] [2022-12-13 16:47:39,196 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 16:47:39,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-13 16:47:39,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:47:39,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-13 16:47:39,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2022-12-13 16:47:39,198 INFO L87 Difference]: Start difference. First operand 4917 states and 6739 transitions. Second operand has 14 states, 13 states have (on average 14.23076923076923) internal successors, (185), 12 states have internal predecessors, (185), 5 states have call successors, (65), 2 states have call predecessors, (65), 5 states have return successors, (65), 6 states have call predecessors, (65), 5 states have call successors, (65) [2022-12-13 16:47:40,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:47:40,912 INFO L93 Difference]: Finished difference Result 9814 states and 13450 transitions. [2022-12-13 16:47:40,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 16:47:40,913 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 14.23076923076923) internal successors, (185), 12 states have internal predecessors, (185), 5 states have call successors, (65), 2 states have call predecessors, (65), 5 states have return successors, (65), 6 states have call predecessors, (65), 5 states have call successors, (65) Word has length 292 [2022-12-13 16:47:40,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:47:40,923 INFO L225 Difference]: With dead ends: 9814 [2022-12-13 16:47:40,923 INFO L226 Difference]: Without dead ends: 4917 [2022-12-13 16:47:40,932 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 584 GetRequests, 570 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2022-12-13 16:47:40,933 INFO L413 NwaCegarLoop]: 3889 mSDtfsCounter, 2932 mSDsluCounter, 33089 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 302 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3234 SdHoareTripleChecker+Valid, 36978 SdHoareTripleChecker+Invalid, 653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 302 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-12-13 16:47:40,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3234 Valid, 36978 Invalid, 653 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [302 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-13 16:47:40,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4917 states. [2022-12-13 16:47:41,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4917 to 4917. [2022-12-13 16:47:41,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4917 states, 3709 states have (on average 1.3111350768401187) internal successors, (4863), 3760 states have internal predecessors, (4863), 932 states have call successors, (932), 269 states have call predecessors, (932), 272 states have return successors, (943), 918 states have call predecessors, (943), 928 states have call successors, (943) [2022-12-13 16:47:41,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4917 states to 4917 states and 6738 transitions. [2022-12-13 16:47:41,153 INFO L78 Accepts]: Start accepts. Automaton has 4917 states and 6738 transitions. Word has length 292 [2022-12-13 16:47:41,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:47:41,153 INFO L495 AbstractCegarLoop]: Abstraction has 4917 states and 6738 transitions. [2022-12-13 16:47:41,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 14.23076923076923) internal successors, (185), 12 states have internal predecessors, (185), 5 states have call successors, (65), 2 states have call predecessors, (65), 5 states have return successors, (65), 6 states have call predecessors, (65), 5 states have call successors, (65) [2022-12-13 16:47:41,153 INFO L276 IsEmpty]: Start isEmpty. Operand 4917 states and 6738 transitions. [2022-12-13 16:47:41,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2022-12-13 16:47:41,157 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:47:41,157 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:47:41,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd433d5b-530f-4558-a616-bfd329a1aae1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-12-13 16:47:41,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd433d5b-530f-4558-a616-bfd329a1aae1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:47:41,358 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 16:47:41,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:47:41,359 INFO L85 PathProgramCache]: Analyzing trace with hash -1307169763, now seen corresponding path program 1 times [2022-12-13 16:47:41,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:47:41,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516357773] [2022-12-13 16:47:41,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:47:41,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:47:41,560 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 16:47:41,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [947075764] [2022-12-13 16:47:41,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:47:41,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:47:41,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd433d5b-530f-4558-a616-bfd329a1aae1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:47:41,561 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd433d5b-530f-4558-a616-bfd329a1aae1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:47:41,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd433d5b-530f-4558-a616-bfd329a1aae1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 16:47:45,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:47:45,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 11855 conjuncts, 42 conjunts are in the unsatisfiable core [2022-12-13 16:47:45,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:47:45,885 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 266 proven. 3 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2022-12-13 16:47:45,885 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 16:47:46,443 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 15 proven. 45 refuted. 0 times theorem prover too weak. 413 trivial. 0 not checked. [2022-12-13 16:47:46,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:47:46,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516357773] [2022-12-13 16:47:46,443 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 16:47:46,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [947075764] [2022-12-13 16:47:46,443 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [947075764] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 16:47:46,443 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 16:47:46,444 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 14 [2022-12-13 16:47:46,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764782363] [2022-12-13 16:47:46,444 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 16:47:46,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-13 16:47:46,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:47:46,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-13 16:47:46,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2022-12-13 16:47:46,446 INFO L87 Difference]: Start difference. First operand 4917 states and 6738 transitions. Second operand has 14 states, 13 states have (on average 14.384615384615385) internal successors, (187), 12 states have internal predecessors, (187), 5 states have call successors, (65), 2 states have call predecessors, (65), 5 states have return successors, (65), 6 states have call predecessors, (65), 5 states have call successors, (65) [2022-12-13 16:47:48,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:47:48,068 INFO L93 Difference]: Finished difference Result 9809 states and 13441 transitions. [2022-12-13 16:47:48,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 16:47:48,069 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 14.384615384615385) internal successors, (187), 12 states have internal predecessors, (187), 5 states have call successors, (65), 2 states have call predecessors, (65), 5 states have return successors, (65), 6 states have call predecessors, (65), 5 states have call successors, (65) Word has length 296 [2022-12-13 16:47:48,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:47:48,079 INFO L225 Difference]: With dead ends: 9809 [2022-12-13 16:47:48,079 INFO L226 Difference]: Without dead ends: 4917 [2022-12-13 16:47:48,087 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 592 GetRequests, 578 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2022-12-13 16:47:48,087 INFO L413 NwaCegarLoop]: 3888 mSDtfsCounter, 2922 mSDsluCounter, 36985 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 300 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3222 SdHoareTripleChecker+Valid, 40873 SdHoareTripleChecker+Invalid, 658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 300 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-12-13 16:47:48,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3222 Valid, 40873 Invalid, 658 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [300 Valid, 358 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-13 16:47:48,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4917 states. [2022-12-13 16:47:48,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4917 to 4917. [2022-12-13 16:47:48,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4917 states, 3709 states have (on average 1.310865462388784) internal successors, (4862), 3759 states have internal predecessors, (4862), 932 states have call successors, (932), 269 states have call predecessors, (932), 272 states have return successors, (943), 918 states have call predecessors, (943), 928 states have call successors, (943) [2022-12-13 16:47:48,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4917 states to 4917 states and 6737 transitions. [2022-12-13 16:47:48,271 INFO L78 Accepts]: Start accepts. Automaton has 4917 states and 6737 transitions. Word has length 296 [2022-12-13 16:47:48,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:47:48,271 INFO L495 AbstractCegarLoop]: Abstraction has 4917 states and 6737 transitions. [2022-12-13 16:47:48,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 14.384615384615385) internal successors, (187), 12 states have internal predecessors, (187), 5 states have call successors, (65), 2 states have call predecessors, (65), 5 states have return successors, (65), 6 states have call predecessors, (65), 5 states have call successors, (65) [2022-12-13 16:47:48,271 INFO L276 IsEmpty]: Start isEmpty. Operand 4917 states and 6737 transitions. [2022-12-13 16:47:48,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2022-12-13 16:47:48,274 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:47:48,275 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:47:48,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd433d5b-530f-4558-a616-bfd329a1aae1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 16:47:48,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd433d5b-530f-4558-a616-bfd329a1aae1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:47:48,475 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 16:47:48,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:47:48,476 INFO L85 PathProgramCache]: Analyzing trace with hash 1999998490, now seen corresponding path program 1 times [2022-12-13 16:47:48,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:47:48,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424463541] [2022-12-13 16:47:48,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:47:48,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:47:48,675 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 16:47:48,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1553716588] [2022-12-13 16:47:48,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:47:48,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:47:48,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd433d5b-530f-4558-a616-bfd329a1aae1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:47:48,676 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd433d5b-530f-4558-a616-bfd329a1aae1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:47:48,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd433d5b-530f-4558-a616-bfd329a1aae1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 16:47:50,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:47:50,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 11873 conjuncts, 286 conjunts are in the unsatisfiable core [2022-12-13 16:47:50,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:47:50,537 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-13 16:47:50,547 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-13 16:47:50,740 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2022-12-13 16:47:50,750 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-12-13 16:47:51,688 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2022-12-13 16:47:51,702 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2022-12-13 16:47:52,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:47:52,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:47:52,239 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-12-13 16:47:52,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:47:52,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:47:52,255 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 37 [2022-12-13 16:47:52,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:47:52,286 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-13 16:47:52,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:47:52,300 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 28 [2022-12-13 16:47:53,137 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_3614 Int)) (= (store |c_old(#memory_$Pointer$.offset)| |c_atomic_inc_#in~v#1.base| (store (select |c_old(#memory_$Pointer$.offset)| |c_atomic_inc_#in~v#1.base|) |c_atomic_inc_#in~v#1.offset| v_ArrVal_3614)) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_3615 Int)) (= (store |c_old(#memory_$Pointer$.base)| |c_atomic_inc_#in~v#1.base| (store (select |c_old(#memory_$Pointer$.base)| |c_atomic_inc_#in~v#1.base|) |c_atomic_inc_#in~v#1.offset| v_ArrVal_3615)) |c_#memory_$Pointer$.base|))) is different from true [2022-12-13 16:47:53,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:47:53,171 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-13 16:47:53,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:47:53,181 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 28 [2022-12-13 16:47:53,248 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_3619 Int)) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_atomic_dec_and_test_#in~v#1.base| (store (select |c_old(#memory_$Pointer$.base)| |c_atomic_dec_and_test_#in~v#1.base|) |c_atomic_dec_and_test_#in~v#1.offset| v_ArrVal_3619)))) (exists ((v_ArrVal_3617 Int)) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_atomic_dec_and_test_#in~v#1.base| (store (select |c_old(#memory_$Pointer$.offset)| |c_atomic_dec_and_test_#in~v#1.base|) |c_atomic_dec_and_test_#in~v#1.offset| v_ArrVal_3617))))) is different from true [2022-12-13 16:47:53,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:47:53,285 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 28 [2022-12-13 16:47:53,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:47:53,300 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-13 16:47:53,973 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2022-12-13 16:47:53,981 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2022-12-13 16:47:54,099 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 145 proven. 26 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2022-12-13 16:47:54,099 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 16:47:56,642 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 476 trivial. 0 not checked. [2022-12-13 16:47:56,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:47:56,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424463541] [2022-12-13 16:47:56,643 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 16:47:56,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1553716588] [2022-12-13 16:47:56,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1553716588] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-13 16:47:56,643 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 16:47:56,644 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [34] total 45 [2022-12-13 16:47:56,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17901467] [2022-12-13 16:47:56,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:47:56,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-13 16:47:56,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:47:56,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-13 16:47:56,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=1702, Unknown=2, NotChecked=166, Total=1980 [2022-12-13 16:47:56,646 INFO L87 Difference]: Start difference. First operand 4917 states and 6737 transitions. Second operand has 13 states, 13 states have (on average 9.538461538461538) internal successors, (124), 11 states have internal predecessors, (124), 4 states have call successors, (36), 5 states have call predecessors, (36), 3 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2022-12-13 16:47:58,789 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 [] [2022-12-13 16:48:00,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:48:02,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:48:04,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:48:06,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:48:08,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:48:10,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:48:24,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:48:26,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:48:28,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:48:30,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:48:32,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:48:34,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:48:36,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:48:41,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:48:56,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:48:58,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:49:00,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:49:02,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:49:04,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:49:06,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:49:08,367 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 [] [2022-12-13 16:49:50,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:49:50,810 INFO L93 Difference]: Finished difference Result 6531 states and 8963 transitions. [2022-12-13 16:49:50,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-13 16:49:50,811 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 9.538461538461538) internal successors, (124), 11 states have internal predecessors, (124), 4 states have call successors, (36), 5 states have call predecessors, (36), 3 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) Word has length 300 [2022-12-13 16:49:50,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:49:50,826 INFO L225 Difference]: With dead ends: 6531 [2022-12-13 16:49:50,826 INFO L226 Difference]: Without dead ends: 5561 [2022-12-13 16:49:50,831 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 609 GetRequests, 552 SyntacticMatches, 4 SemanticMatches, 53 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 379 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=178, Invalid=2584, Unknown=2, NotChecked=206, Total=2970 [2022-12-13 16:49:50,832 INFO L413 NwaCegarLoop]: 4523 mSDtfsCounter, 5578 mSDsluCounter, 34857 mSDsCounter, 0 mSdLazyCounter, 18079 mSolverCounterSat, 2265 mSolverCounterUnsat, 22 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 105.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5578 SdHoareTripleChecker+Valid, 39380 SdHoareTripleChecker+Invalid, 20366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 2265 IncrementalHoareTripleChecker+Valid, 18079 IncrementalHoareTripleChecker+Invalid, 22 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 111.4s IncrementalHoareTripleChecker+Time [2022-12-13 16:49:50,832 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5578 Valid, 39380 Invalid, 20366 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [2265 Valid, 18079 Invalid, 22 Unknown, 0 Unchecked, 111.4s Time] [2022-12-13 16:49:50,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5561 states. [2022-12-13 16:49:51,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5561 to 5163. [2022-12-13 16:49:51,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5163 states, 3907 states have (on average 1.3120040952137189) internal successors, (5126), 3961 states have internal predecessors, (5126), 977 states have call successors, (977), 271 states have call predecessors, (977), 275 states have return successors, (992), 963 states have call predecessors, (992), 973 states have call successors, (992) [2022-12-13 16:49:51,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5163 states to 5163 states and 7095 transitions. [2022-12-13 16:49:51,237 INFO L78 Accepts]: Start accepts. Automaton has 5163 states and 7095 transitions. Word has length 300 [2022-12-13 16:49:51,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:49:51,238 INFO L495 AbstractCegarLoop]: Abstraction has 5163 states and 7095 transitions. [2022-12-13 16:49:51,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.538461538461538) internal successors, (124), 11 states have internal predecessors, (124), 4 states have call successors, (36), 5 states have call predecessors, (36), 3 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2022-12-13 16:49:51,238 INFO L276 IsEmpty]: Start isEmpty. Operand 5163 states and 7095 transitions. [2022-12-13 16:49:51,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2022-12-13 16:49:51,241 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:49:51,242 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:49:51,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd433d5b-530f-4558-a616-bfd329a1aae1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-13 16:49:51,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd433d5b-530f-4558-a616-bfd329a1aae1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-12-13 16:49:51,442 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 16:49:51,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:49:51,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1091013999, now seen corresponding path program 1 times [2022-12-13 16:49:51,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:49:51,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004067695] [2022-12-13 16:49:51,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:49:51,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:49:53,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:55,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 16:49:56,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:56,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:49:56,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:56,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:49:56,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:56,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 16:49:56,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:56,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-12-13 16:49:56,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:56,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 16:49:56,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:56,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-12-13 16:49:56,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:56,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:49:56,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:56,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:49:56,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:56,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 16:49:56,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:56,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-12-13 16:49:56,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:56,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-12-13 16:49:56,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:56,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:49:56,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:56,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:49:56,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:56,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 16:49:56,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:56,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-12-13 16:49:56,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:56,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-12-13 16:49:56,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:56,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:49:56,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:56,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:49:56,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:56,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 16:49:56,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:56,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-12-13 16:49:56,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:56,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:49:56,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:56,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:49:56,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:56,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 16:49:56,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:56,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 16:49:56,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:56,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:49:56,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:56,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:49:56,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:56,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 16:49:56,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:56,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-12-13 16:49:56,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:56,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:49:56,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:56,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:49:56,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:56,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-12-13 16:49:56,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:56,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:49:56,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:56,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-12-13 16:49:56,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:56,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-12-13 16:49:56,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:56,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-12-13 16:49:56,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:56,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-12-13 16:49:56,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:56,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-12-13 16:49:56,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:56,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:49:56,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:56,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-12-13 16:49:56,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:56,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:49:56,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:56,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 16:49:56,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:56,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 16:49:56,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:56,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 16:49:56,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:56,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 16:49:56,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:56,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-12-13 16:49:56,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:56,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-12-13 16:49:56,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:56,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-12-13 16:49:56,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:56,752 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 36 proven. 6 refuted. 0 times theorem prover too weak. 542 trivial. 0 not checked. [2022-12-13 16:49:56,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:49:56,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004067695] [2022-12-13 16:49:56,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004067695] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 16:49:56,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1259195977] [2022-12-13 16:49:56,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:49:56,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:49:56,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd433d5b-530f-4558-a616-bfd329a1aae1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:49:56,754 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd433d5b-530f-4558-a616-bfd329a1aae1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:49:56,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd433d5b-530f-4558-a616-bfd329a1aae1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 16:49:58,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:49:58,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 11788 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-13 16:49:58,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:49:58,866 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2022-12-13 16:49:58,866 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 16:49:58,867 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1259195977] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:49:58,867 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 16:49:58,867 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [20] total 21 [2022-12-13 16:49:58,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688223910] [2022-12-13 16:49:58,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:49:58,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-13 16:49:58,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:49:58,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-13 16:49:58,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2022-12-13 16:49:58,869 INFO L87 Difference]: Start difference. First operand 5163 states and 7095 transitions. Second operand has 14 states, 13 states have (on average 10.461538461538462) internal successors, (136), 13 states have internal predecessors, (136), 5 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (36), 5 states have call predecessors, (36), 5 states have call successors, (36) [2022-12-13 16:50:01,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:50:01,286 INFO L93 Difference]: Finished difference Result 8412 states and 11423 transitions. [2022-12-13 16:50:01,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-13 16:50:01,287 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 10.461538461538462) internal successors, (136), 13 states have internal predecessors, (136), 5 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (36), 5 states have call predecessors, (36), 5 states have call successors, (36) Word has length 305 [2022-12-13 16:50:01,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:50:01,299 INFO L225 Difference]: With dead ends: 8412 [2022-12-13 16:50:01,299 INFO L226 Difference]: Without dead ends: 5398 [2022-12-13 16:50:01,307 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 420 GetRequests, 393 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=113, Invalid=699, Unknown=0, NotChecked=0, Total=812 [2022-12-13 16:50:01,308 INFO L413 NwaCegarLoop]: 4017 mSDtfsCounter, 2928 mSDsluCounter, 47173 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 1021 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2928 SdHoareTripleChecker+Valid, 51190 SdHoareTripleChecker+Invalid, 1560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1021 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-12-13 16:50:01,308 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2928 Valid, 51190 Invalid, 1560 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1021 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-13 16:50:01,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5398 states. [2022-12-13 16:50:01,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5398 to 4923. [2022-12-13 16:50:01,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4923 states, 3733 states have (on average 1.3142244843289579) internal successors, (4906), 3782 states have internal predecessors, (4906), 920 states have call successors, (920), 268 states have call predecessors, (920), 266 states have return successors, (923), 901 states have call predecessors, (923), 913 states have call successors, (923) [2022-12-13 16:50:01,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4923 states to 4923 states and 6749 transitions. [2022-12-13 16:50:01,719 INFO L78 Accepts]: Start accepts. Automaton has 4923 states and 6749 transitions. Word has length 305 [2022-12-13 16:50:01,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:50:01,719 INFO L495 AbstractCegarLoop]: Abstraction has 4923 states and 6749 transitions. [2022-12-13 16:50:01,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 10.461538461538462) internal successors, (136), 13 states have internal predecessors, (136), 5 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (36), 5 states have call predecessors, (36), 5 states have call successors, (36) [2022-12-13 16:50:01,720 INFO L276 IsEmpty]: Start isEmpty. Operand 4923 states and 6749 transitions. [2022-12-13 16:50:01,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2022-12-13 16:50:01,722 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:50:01,722 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:50:01,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd433d5b-530f-4558-a616-bfd329a1aae1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-12-13 16:50:01,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd433d5b-530f-4558-a616-bfd329a1aae1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:50:01,924 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 16:50:01,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:50:01,926 INFO L85 PathProgramCache]: Analyzing trace with hash -40458797, now seen corresponding path program 1 times [2022-12-13 16:50:01,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:50:01,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906523689] [2022-12-13 16:50:01,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:50:01,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:50:02,141 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 16:50:02,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [391563695] [2022-12-13 16:50:02,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:50:02,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:50:02,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd433d5b-530f-4558-a616-bfd329a1aae1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:50:02,142 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd433d5b-530f-4558-a616-bfd329a1aae1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:50:02,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd433d5b-530f-4558-a616-bfd329a1aae1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 16:50:04,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:50:04,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 11888 conjuncts, 265 conjunts are in the unsatisfiable core [2022-12-13 16:50:04,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:50:04,190 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-13 16:50:04,198 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-13 16:50:04,363 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2022-12-13 16:50:04,371 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-12-13 16:50:04,669 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2022-12-13 16:50:04,682 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2022-12-13 16:50:05,097 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 37 [2022-12-13 16:50:05,108 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-12-13 16:50:05,131 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 28 [2022-12-13 16:50:05,142 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-13 16:50:05,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:50:05,239 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 29 [2022-12-13 16:50:05,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:50:05,255 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2022-12-13 16:50:05,827 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_4591 Int)) (= (store |c_old(#memory_$Pointer$.base)| |c_atomic_inc_#in~v#1.base| (store (select |c_old(#memory_$Pointer$.base)| |c_atomic_inc_#in~v#1.base|) |c_atomic_inc_#in~v#1.offset| v_ArrVal_4591)) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_4593 Int)) (= (store |c_old(#memory_$Pointer$.offset)| |c_atomic_inc_#in~v#1.base| (store (select |c_old(#memory_$Pointer$.offset)| |c_atomic_inc_#in~v#1.base|) |c_atomic_inc_#in~v#1.offset| v_ArrVal_4593)) |c_#memory_$Pointer$.offset|))) is different from true [2022-12-13 16:50:05,850 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-13 16:50:05,859 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 28 [2022-12-13 16:50:05,910 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_4596 Int)) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_atomic_dec_and_test_#in~v#1.base| (store (select |c_old(#memory_$Pointer$.base)| |c_atomic_dec_and_test_#in~v#1.base|) |c_atomic_dec_and_test_#in~v#1.offset| v_ArrVal_4596)))) (exists ((v_ArrVal_4597 Int)) (= (store |c_old(#memory_$Pointer$.offset)| |c_atomic_dec_and_test_#in~v#1.base| (store (select |c_old(#memory_$Pointer$.offset)| |c_atomic_dec_and_test_#in~v#1.base|) |c_atomic_dec_and_test_#in~v#1.offset| v_ArrVal_4597)) |c_#memory_$Pointer$.offset|))) is different from true [2022-12-13 16:50:05,941 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 28 [2022-12-13 16:50:05,952 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-13 16:50:06,434 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2022-12-13 16:50:06,443 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2022-12-13 16:50:06,531 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 145 proven. 27 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2022-12-13 16:50:06,531 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 16:50:09,154 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 476 trivial. 0 not checked. [2022-12-13 16:50:09,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:50:09,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906523689] [2022-12-13 16:50:09,154 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 16:50:09,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [391563695] [2022-12-13 16:50:09,154 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [391563695] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 16:50:09,154 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 16:50:09,155 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 14] total 37 [2022-12-13 16:50:09,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277318082] [2022-12-13 16:50:09,155 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 16:50:09,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2022-12-13 16:50:09,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:50:09,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2022-12-13 16:50:09,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=1099, Unknown=2, NotChecked=134, Total=1332 [2022-12-13 16:50:09,156 INFO L87 Difference]: Start difference. First operand 4923 states and 6749 transitions. Second operand has 37 states, 37 states have (on average 5.45945945945946) internal successors, (202), 31 states have internal predecessors, (202), 12 states have call successors, (58), 10 states have call predecessors, (58), 8 states have return successors, (55), 13 states have call predecessors, (55), 12 states have call successors, (55) [2022-12-13 16:50:11,299 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 [] [2022-12-13 16:50:13,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:50:15,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:50:17,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 16:50:19,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:50:21,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:50:23,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:50:25,368 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 [1] [2022-12-13 16:50:38,561 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_old(#memory_$Pointer$.base)| |c_atomic_dec_and_test_#in~v#1.base|)) (.cse1 (select |c_old(#memory_$Pointer$.offset)| |c_atomic_dec_and_test_#in~v#1.base|))) (and (exists ((v_ArrVal_4596 Int)) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_atomic_dec_and_test_#in~v#1.base| (store .cse0 |c_atomic_dec_and_test_#in~v#1.offset| v_ArrVal_4596)))) (let ((.cse2 (+ |c_atomic_dec_and_test_#in~v#1.offset| (- 2726)))) (or (not (= (mod (+ (select .cse1 .cse2) (select .cse0 .cse2)) 18446744073709551616) 0)) (= (mod (+ (select (select |c_#memory_$Pointer$.base| |c_atomic_dec_and_test_#in~v#1.base|) .cse2) (select (select |c_#memory_$Pointer$.offset| |c_atomic_dec_and_test_#in~v#1.base|) .cse2)) 18446744073709551616) 0))) (exists ((v_ArrVal_4597 Int)) (= (store |c_old(#memory_$Pointer$.offset)| |c_atomic_dec_and_test_#in~v#1.base| (store .cse1 |c_atomic_dec_and_test_#in~v#1.offset| v_ArrVal_4597)) |c_#memory_$Pointer$.offset|)))) is different from true [2022-12-13 16:50:43,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:50:45,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:50:47,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:50:49,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 16:50:51,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:50:53,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:50:55,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 16:51:02,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:52:33,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 16:52:34,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:52:37,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 16:52:40,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:52:40,637 INFO L93 Difference]: Finished difference Result 5710 states and 7909 transitions. [2022-12-13 16:52:40,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-12-13 16:52:40,638 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 5.45945945945946) internal successors, (202), 31 states have internal predecessors, (202), 12 states have call successors, (58), 10 states have call predecessors, (58), 8 states have return successors, (55), 13 states have call predecessors, (55), 12 states have call successors, (55) Word has length 301 [2022-12-13 16:52:40,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:52:40,649 INFO L225 Difference]: With dead ends: 5710 [2022-12-13 16:52:40,649 INFO L226 Difference]: Without dead ends: 5675 [2022-12-13 16:52:40,652 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 633 GetRequests, 564 SyntacticMatches, 5 SemanticMatches, 64 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 778 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=410, Invalid=3502, Unknown=6, NotChecked=372, Total=4290 [2022-12-13 16:52:40,652 INFO L413 NwaCegarLoop]: 3649 mSDtfsCounter, 15450 mSDsluCounter, 59724 mSDsCounter, 0 mSdLazyCounter, 36403 mSolverCounterSat, 4640 mSolverCounterUnsat, 17 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 137.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15590 SdHoareTripleChecker+Valid, 63373 SdHoareTripleChecker+Invalid, 51394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.5s SdHoareTripleChecker+Time, 4640 IncrementalHoareTripleChecker+Valid, 36403 IncrementalHoareTripleChecker+Invalid, 17 IncrementalHoareTripleChecker+Unknown, 10334 IncrementalHoareTripleChecker+Unchecked, 146.6s IncrementalHoareTripleChecker+Time [2022-12-13 16:52:40,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15590 Valid, 63373 Invalid, 51394 Unknown, 0 Unchecked, 0.5s Time], IncrementalHoareTripleChecker [4640 Valid, 36403 Invalid, 17 Unknown, 10334 Unchecked, 146.6s Time] [2022-12-13 16:52:40,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5675 states. [2022-12-13 16:52:41,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5675 to 5123. [2022-12-13 16:52:41,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5123 states, 3864 states have (on average 1.3115942028985508) internal successors, (5068), 3924 states have internal predecessors, (5068), 965 states have call successors, (965), 291 states have call predecessors, (965), 290 states have return successors, (993), 938 states have call predecessors, (993), 958 states have call successors, (993) [2022-12-13 16:52:41,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5123 states to 5123 states and 7026 transitions. [2022-12-13 16:52:41,182 INFO L78 Accepts]: Start accepts. Automaton has 5123 states and 7026 transitions. Word has length 301 [2022-12-13 16:52:41,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:52:41,183 INFO L495 AbstractCegarLoop]: Abstraction has 5123 states and 7026 transitions. [2022-12-13 16:52:41,183 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 5.45945945945946) internal successors, (202), 31 states have internal predecessors, (202), 12 states have call successors, (58), 10 states have call predecessors, (58), 8 states have return successors, (55), 13 states have call predecessors, (55), 12 states have call successors, (55) [2022-12-13 16:52:41,183 INFO L276 IsEmpty]: Start isEmpty. Operand 5123 states and 7026 transitions. [2022-12-13 16:52:41,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2022-12-13 16:52:41,185 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:52:41,185 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:52:41,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd433d5b-530f-4558-a616-bfd329a1aae1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-13 16:52:41,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd433d5b-530f-4558-a616-bfd329a1aae1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:52:41,387 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-13 16:52:41,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:52:41,388 INFO L85 PathProgramCache]: Analyzing trace with hash -1474154722, now seen corresponding path program 1 times [2022-12-13 16:52:41,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:52:41,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842256176] [2022-12-13 16:52:41,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:52:41,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:52:41,598 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 16:52:41,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1852163009] [2022-12-13 16:52:41,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:52:41,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 16:52:41,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd433d5b-530f-4558-a616-bfd329a1aae1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:52:41,599 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd433d5b-530f-4558-a616-bfd329a1aae1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 16:52:41,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd433d5b-530f-4558-a616-bfd329a1aae1/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-13 16:52:43,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:52:43,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 11843 conjuncts, 119 conjunts are in the unsatisfiable core [2022-12-13 16:52:43,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:52:43,295 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-13 16:52:43,355 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_5091 Int) (atomic_set_~v.offset Int)) (and (= (store |c_old(#memory_int)| |c_atomic_set_#in~v.base| (store (select |c_old(#memory_int)| |c_atomic_set_#in~v.base|) atomic_set_~v.offset v_ArrVal_5091)) |c_#memory_int|) (<= atomic_set_~v.offset |c_atomic_set_#in~v.offset|))) is different from true [2022-12-13 16:52:43,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 16:52:43,373 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-12-13 16:52:43,446 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-12-13 16:52:43,542 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-12-13 16:52:43,555 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-12-13 16:52:43,990 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 458 trivial. 2 not checked. [2022-12-13 16:52:43,991 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 16:52:46,427 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 473 trivial. 0 not checked. [2022-12-13 16:52:46,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:52:46,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842256176] [2022-12-13 16:52:46,427 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 16:52:46,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1852163009] [2022-12-13 16:52:46,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1852163009] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 16:52:46,428 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 16:52:46,428 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14] total 24 [2022-12-13 16:52:46,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855530134] [2022-12-13 16:52:46,428 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 16:52:46,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-12-13 16:52:46,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:52:46,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-12-13 16:52:46,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=433, Unknown=1, NotChecked=42, Total=552 [2022-12-13 16:52:46,431 INFO L87 Difference]: Start difference. First operand 5123 states and 7026 transitions. Second operand has 24 states, 22 states have (on average 7.0) internal successors, (154), 20 states have internal predecessors, (154), 7 states have call successors, (42), 7 states have call predecessors, (42), 12 states have return successors, (43), 8 states have call predecessors, (43), 7 states have call successors, (43) [2022-12-13 16:52:48,572 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 [] [2022-12-13 16:52:50,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:52:52,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:52:54,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:52:56,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:52:58,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 16:53:00,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:53:02,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:53:04,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:53:06,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 16:53:08,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:53:10,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:53:12,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:53:14,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:53:22,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 16:53:25,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:53:27,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:53:29,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:53:31,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:53:33,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 16:53:35,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:53:37,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:53:39,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 16:53:41,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:53:43,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:53:45,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:53:47,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 16:53:51,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-12-13 16:53:53,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0]