./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.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_c3b900d2-195e-46e1-8203-e798aa45a838/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b900d2-195e-46e1-8203-e798aa45a838/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b900d2-195e-46e1-8203-e798aa45a838/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b900d2-195e-46e1-8203-e798aa45a838/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b900d2-195e-46e1-8203-e798aa45a838/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b900d2-195e-46e1-8203-e798aa45a838/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3494ff01381843f09414ec4d6a6d46e396afc707be426c75a152e34cf84e62a0 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 16:04:29,918 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 16:04:29,919 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 16:04:29,932 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 16:04:29,933 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 16:04:29,933 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 16:04:29,934 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 16:04:29,935 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 16:04:29,936 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 16:04:29,937 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 16:04:29,938 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 16:04:29,938 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 16:04:29,939 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 16:04:29,939 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 16:04:29,940 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 16:04:29,941 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 16:04:29,941 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 16:04:29,942 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 16:04:29,943 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 16:04:29,945 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 16:04:29,946 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 16:04:29,947 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 16:04:29,947 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 16:04:29,948 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 16:04:29,950 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 16:04:29,951 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 16:04:29,951 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 16:04:29,951 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 16:04:29,952 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 16:04:29,952 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 16:04:29,953 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 16:04:29,953 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 16:04:29,954 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 16:04:29,954 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 16:04:29,955 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 16:04:29,955 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 16:04:29,956 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 16:04:29,956 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 16:04:29,956 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 16:04:29,956 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 16:04:29,957 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 16:04:29,958 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b900d2-195e-46e1-8203-e798aa45a838/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 16:04:29,981 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 16:04:29,981 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 16:04:29,981 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 16:04:29,981 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 16:04:29,982 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 16:04:29,982 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 16:04:29,982 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 16:04:29,983 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 16:04:29,983 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 16:04:29,983 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 16:04:29,983 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 16:04:29,983 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 16:04:29,984 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 16:04:29,984 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 16:04:29,984 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 16:04:29,984 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 16:04:29,984 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 16:04:29,985 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 16:04:29,985 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 16:04:29,985 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 16:04:29,986 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 16:04:29,986 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 16:04:29,986 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 16:04:29,986 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 16:04:29,986 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 16:04:29,987 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 16:04:29,987 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 16:04:29,987 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 16:04:29,987 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 16:04:29,987 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 16:04:29,988 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 16:04:29,988 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 16:04:29,988 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 16:04:29,988 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 16:04:29,988 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 16:04:29,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 16:04:29,989 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 16:04:29,989 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 16:04:29,989 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b900d2-195e-46e1-8203-e798aa45a838/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b900d2-195e-46e1-8203-e798aa45a838/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3494ff01381843f09414ec4d6a6d46e396afc707be426c75a152e34cf84e62a0 [2022-12-14 16:04:30,205 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 16:04:30,223 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 16:04:30,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 16:04:30,226 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 16:04:30,226 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 16:04:30,227 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b900d2-195e-46e1-8203-e798aa45a838/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i [2022-12-14 16:04:32,818 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 16:04:33,249 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 16:04:33,249 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i [2022-12-14 16:04:33,281 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b900d2-195e-46e1-8203-e798aa45a838/bin/utaipan-gh47qXpMRh/data/6d0e89313/3fc2e151d7224de7b8d335b09b0d4fe8/FLAGb2d80b347 [2022-12-14 16:04:33,394 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b900d2-195e-46e1-8203-e798aa45a838/bin/utaipan-gh47qXpMRh/data/6d0e89313/3fc2e151d7224de7b8d335b09b0d4fe8 [2022-12-14 16:04:33,397 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 16:04:33,399 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 16:04:33,401 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 16:04:33,401 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 16:04:33,406 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 16:04:33,407 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:04:33" (1/1) ... [2022-12-14 16:04:33,409 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ad53e88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:04:33, skipping insertion in model container [2022-12-14 16:04:33,409 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:04:33" (1/1) ... [2022-12-14 16:04:33,420 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 16:04:33,563 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 16:04:34,234 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 16:04:34,243 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-14 16:04:34,349 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 16:04:34,358 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 16:04:34,367 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 16:04:34,390 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 16:04:34,478 WARN L623 FunctionHandler]: Unknown extern function __pci_enable_wake [2022-12-14 16:04:34,537 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 16:04:34,541 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 16:04:34,542 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-14 16:04:34,547 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-14 16:04:34,567 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 16:04:34,628 WARN L623 FunctionHandler]: Unknown extern function gpio_to_desc [2022-12-14 16:04:34,628 WARN L623 FunctionHandler]: Unknown extern function gpiod_direction_input [2022-12-14 16:04:34,632 WARN L623 FunctionHandler]: Unknown extern function gpio_to_desc [2022-12-14 16:04:34,632 WARN L623 FunctionHandler]: Unknown extern function gpiod_get_raw_value [2022-12-14 16:04:34,635 WARN L623 FunctionHandler]: Unknown extern function gpio_to_desc [2022-12-14 16:04:34,636 WARN L623 FunctionHandler]: Unknown extern function gpiod_to_irq [2022-12-14 16:04:34,650 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 16:04:34,654 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 16:04:34,665 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 16:04:34,668 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 16:04:34,680 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 16:04:34,691 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:34,692 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:34,710 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:34,710 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:34,717 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:34,717 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:34,824 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:34,825 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 16:04:34,826 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:34,826 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 16:04:34,858 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:34,859 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 16:04:34,861 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:34,862 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:34,862 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:34,863 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:34,863 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:34,920 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 16:04:34,922 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:34,928 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:34,930 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 16:04:34,941 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:34,942 WARN L623 FunctionHandler]: Unknown extern function gpio_request [2022-12-14 16:04:34,942 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:34,943 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 16:04:34,944 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 16:04:34,944 WARN L623 FunctionHandler]: Unknown extern function irq_set_irq_type [2022-12-14 16:04:34,945 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 16:04:34,946 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 16:04:34,946 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:34,952 WARN L623 FunctionHandler]: Unknown extern function gpio_free [2022-12-14 16:04:34,961 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 16:04:34,962 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_giveback_request [2022-12-14 16:04:34,973 WARN L623 FunctionHandler]: Unknown extern function dma_pool_free [2022-12-14 16:04:34,986 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:35,017 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 16:04:35,021 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 16:04:35,022 WARN L623 FunctionHandler]: Unknown extern function dma_pool_free [2022-12-14 16:04:35,022 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 16:04:35,065 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 16:04:35,072 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 16:04:35,073 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 16:04:35,126 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_udc_reset [2022-12-14 16:04:35,150 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 16:04:35,152 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 16:04:35,156 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 16:04:35,158 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 16:04:35,160 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 16:04:35,161 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 16:04:35,168 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 16:04:35,178 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 16:04:35,204 WARN L623 FunctionHandler]: Unknown extern function dma_pool_create [2022-12-14 16:04:35,204 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 16:04:35,205 WARN L623 FunctionHandler]: Unknown extern function dma_pool_create [2022-12-14 16:04:35,205 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 16:04:35,206 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 16:04:35,206 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 16:04:35,216 WARN L623 FunctionHandler]: Unknown extern function usb_del_gadget_udc [2022-12-14 16:04:35,216 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 16:04:35,217 WARN L623 FunctionHandler]: Unknown extern function dma_pool_destroy [2022-12-14 16:04:35,217 WARN L623 FunctionHandler]: Unknown extern function dma_pool_free [2022-12-14 16:04:35,218 WARN L623 FunctionHandler]: Unknown extern function dma_pool_free [2022-12-14 16:04:35,218 WARN L623 FunctionHandler]: Unknown extern function dma_pool_destroy [2022-12-14 16:04:35,218 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 16:04:35,219 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-14 16:04:35,220 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 16:04:35,220 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 16:04:35,224 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 16:04:35,224 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-14 16:04:35,225 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 16:04:35,225 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-12-14 16:04:35,225 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 16:04:35,229 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 16:04:35,229 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-12-14 16:04:35,229 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 16:04:35,230 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 16:04:35,234 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:35,235 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 16:04:35,235 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 16:04:35,235 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:35,237 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-14 16:04:35,237 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 16:04:35,238 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:35,239 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 16:04:35,240 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 16:04:35,240 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 16:04:35,241 WARN L623 FunctionHandler]: Unknown extern function pci_try_set_mwi [2022-12-14 16:04:35,241 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 16:04:35,242 WARN L623 FunctionHandler]: Unknown extern function usb_add_gadget_udc_release [2022-12-14 16:04:35,531 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 16:04:35,531 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 16:04:35,532 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 16:04:35,532 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 16:04:35,533 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 16:04:35,533 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 16:04:35,533 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 16:04:35,533 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 16:04:35,534 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 16:04:35,535 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 16:04:35,536 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 16:04:35,537 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 16:04:35,537 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 16:04:35,538 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 16:04:35,930 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 16:04:36,113 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 16:04:36,509 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[374384,374397] [2022-12-14 16:04:36,512 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[374529,374542] [2022-12-14 16:04:36,513 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[374675,374688] [2022-12-14 16:04:36,513 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[374840,374853] [2022-12-14 16:04:36,514 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[374998,375011] [2022-12-14 16:04:36,514 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[375156,375169] [2022-12-14 16:04:36,514 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[375314,375327] [2022-12-14 16:04:36,515 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[375474,375487] [2022-12-14 16:04:36,515 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[375633,375646] [2022-12-14 16:04:36,515 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[375772,375785] [2022-12-14 16:04:36,516 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[375914,375927] [2022-12-14 16:04:36,516 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[376063,376076] [2022-12-14 16:04:36,517 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[376202,376215] [2022-12-14 16:04:36,517 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[376357,376370] [2022-12-14 16:04:36,517 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[376517,376530] [2022-12-14 16:04:36,518 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[376668,376681] [2022-12-14 16:04:36,518 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[376819,376832] [2022-12-14 16:04:36,518 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[376971,376984] [2022-12-14 16:04:36,519 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[377120,377133] [2022-12-14 16:04:36,519 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[377268,377281] [2022-12-14 16:04:36,519 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[377425,377438] [2022-12-14 16:04:36,520 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[377574,377587] [2022-12-14 16:04:36,520 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[377730,377743] [2022-12-14 16:04:36,520 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[377883,377896] [2022-12-14 16:04:36,521 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[378029,378042] [2022-12-14 16:04:36,521 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[378172,378185] [2022-12-14 16:04:36,522 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[378324,378337] [2022-12-14 16:04:36,522 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[378470,378483] [2022-12-14 16:04:36,522 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[378615,378628] [2022-12-14 16:04:36,523 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[378769,378782] [2022-12-14 16:04:36,523 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[378920,378933] [2022-12-14 16:04:36,523 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[379075,379088] [2022-12-14 16:04:36,524 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[379227,379240] [2022-12-14 16:04:36,524 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[379382,379395] [2022-12-14 16:04:36,524 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[379546,379559] [2022-12-14 16:04:36,525 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[379702,379715] [2022-12-14 16:04:36,525 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[379866,379879] [2022-12-14 16:04:36,526 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[380008,380021] [2022-12-14 16:04:36,526 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[380166,380179] [2022-12-14 16:04:36,526 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[380333,380346] [2022-12-14 16:04:36,527 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[380492,380505] [2022-12-14 16:04:36,527 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[380651,380664] [2022-12-14 16:04:36,527 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[380800,380813] [2022-12-14 16:04:36,528 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[380947,380960] [2022-12-14 16:04:36,528 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[381086,381099] [2022-12-14 16:04:36,528 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[381249,381262] [2022-12-14 16:04:36,529 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[381415,381428] [2022-12-14 16:04:36,529 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[381579,381592] [2022-12-14 16:04:36,529 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[381744,381757] [2022-12-14 16:04:36,530 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[381909,381922] [2022-12-14 16:04:36,530 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[382075,382088] [2022-12-14 16:04:36,530 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[382240,382253] [2022-12-14 16:04:36,531 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[382407,382420] [2022-12-14 16:04:36,531 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[382567,382580] [2022-12-14 16:04:36,531 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[382729,382742] [2022-12-14 16:04:36,532 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[382888,382901] [2022-12-14 16:04:36,532 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[383034,383047] [2022-12-14 16:04:36,532 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[383177,383190] [2022-12-14 16:04:36,533 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[383321,383334] [2022-12-14 16:04:36,533 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[383464,383477] [2022-12-14 16:04:36,533 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[383608,383621] [2022-12-14 16:04:36,534 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[383749,383762] [2022-12-14 16:04:36,534 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[383887,383900] [2022-12-14 16:04:36,534 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[384045,384058] [2022-12-14 16:04:36,535 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[384204,384217] [2022-12-14 16:04:36,535 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[384360,384373] [2022-12-14 16:04:36,535 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[384509,384522] [2022-12-14 16:04:36,536 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[384661,384674] [2022-12-14 16:04:36,536 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[384812,384825] [2022-12-14 16:04:36,536 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[384961,384974] [2022-12-14 16:04:36,537 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[385113,385126] [2022-12-14 16:04:36,537 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[385261,385274] [2022-12-14 16:04:36,537 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[385414,385427] [2022-12-14 16:04:36,538 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[385565,385578] [2022-12-14 16:04:36,538 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[385715,385728] [2022-12-14 16:04:36,538 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[385862,385875] [2022-12-14 16:04:36,539 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[386013,386026] [2022-12-14 16:04:36,539 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[386164,386177] [2022-12-14 16:04:36,539 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[386312,386325] [2022-12-14 16:04:36,539 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[386478,386491] [2022-12-14 16:04:36,540 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[386647,386660] [2022-12-14 16:04:36,540 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[386814,386827] [2022-12-14 16:04:36,540 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[386982,386995] [2022-12-14 16:04:36,541 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[387132,387145] [2022-12-14 16:04:36,541 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[387279,387292] [2022-12-14 16:04:36,541 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[387440,387453] [2022-12-14 16:04:36,541 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[387610,387623] [2022-12-14 16:04:36,542 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[387772,387785] [2022-12-14 16:04:36,552 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:04:36,574 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 16:04:36,641 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 16:04:36,642 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-14 16:04:36,643 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 16:04:36,644 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 16:04:36,644 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 16:04:36,645 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 16:04:36,646 WARN L623 FunctionHandler]: Unknown extern function __pci_enable_wake [2022-12-14 16:04:36,648 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 16:04:36,649 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 16:04:36,649 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-14 16:04:36,650 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-14 16:04:36,650 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 16:04:36,651 WARN L623 FunctionHandler]: Unknown extern function gpio_to_desc [2022-12-14 16:04:36,652 WARN L623 FunctionHandler]: Unknown extern function gpiod_direction_input [2022-12-14 16:04:36,652 WARN L623 FunctionHandler]: Unknown extern function gpio_to_desc [2022-12-14 16:04:36,652 WARN L623 FunctionHandler]: Unknown extern function gpiod_get_raw_value [2022-12-14 16:04:36,652 WARN L623 FunctionHandler]: Unknown extern function gpio_to_desc [2022-12-14 16:04:36,652 WARN L623 FunctionHandler]: Unknown extern function gpiod_to_irq [2022-12-14 16:04:36,653 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 16:04:36,653 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 16:04:36,654 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 16:04:36,655 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 16:04:36,656 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 16:04:36,657 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:36,657 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:36,658 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:36,658 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:36,658 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:36,659 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:36,663 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:36,664 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 16:04:36,664 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:36,664 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 16:04:36,674 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:36,674 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 16:04:36,675 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:36,676 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:36,676 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:36,676 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:36,676 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:36,681 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 16:04:36,682 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:36,683 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 16:04:36,684 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 16:04:36,696 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:36,696 WARN L623 FunctionHandler]: Unknown extern function gpio_request [2022-12-14 16:04:36,697 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:36,697 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 16:04:36,698 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 16:04:36,698 WARN L623 FunctionHandler]: Unknown extern function irq_set_irq_type [2022-12-14 16:04:36,699 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 16:04:36,699 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 16:04:36,700 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:36,700 WARN L623 FunctionHandler]: Unknown extern function gpio_free [2022-12-14 16:04:36,705 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 16:04:36,706 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_giveback_request [2022-12-14 16:04:36,707 WARN L623 FunctionHandler]: Unknown extern function dma_pool_free [2022-12-14 16:04:36,715 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:36,740 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 16:04:36,743 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 16:04:36,744 WARN L623 FunctionHandler]: Unknown extern function dma_pool_free [2022-12-14 16:04:36,745 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 16:04:36,769 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 16:04:36,774 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 16:04:36,775 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 16:04:36,791 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_udc_reset [2022-12-14 16:04:36,796 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 16:04:36,796 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 16:04:36,798 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 16:04:36,799 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 16:04:36,800 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 16:04:36,801 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 16:04:36,802 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 16:04:36,803 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 16:04:36,809 WARN L623 FunctionHandler]: Unknown extern function dma_pool_create [2022-12-14 16:04:36,810 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 16:04:36,810 WARN L623 FunctionHandler]: Unknown extern function dma_pool_create [2022-12-14 16:04:36,810 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 16:04:36,811 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 16:04:36,811 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 16:04:36,822 WARN L623 FunctionHandler]: Unknown extern function usb_del_gadget_udc [2022-12-14 16:04:36,823 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 16:04:36,823 WARN L623 FunctionHandler]: Unknown extern function dma_pool_destroy [2022-12-14 16:04:36,823 WARN L623 FunctionHandler]: Unknown extern function dma_pool_free [2022-12-14 16:04:36,824 WARN L623 FunctionHandler]: Unknown extern function dma_pool_free [2022-12-14 16:04:36,824 WARN L623 FunctionHandler]: Unknown extern function dma_pool_destroy [2022-12-14 16:04:36,825 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 16:04:36,825 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-14 16:04:36,826 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 16:04:36,826 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 16:04:36,827 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 16:04:36,828 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-14 16:04:36,828 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 16:04:36,828 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-12-14 16:04:36,828 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 16:04:36,829 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 16:04:36,829 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-12-14 16:04:36,829 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 16:04:36,829 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 16:04:36,830 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:36,830 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 16:04:36,830 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 16:04:36,831 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:36,832 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-14 16:04:36,832 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 16:04:36,833 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 16:04:36,833 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 16:04:36,834 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 16:04:36,834 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 16:04:36,834 WARN L623 FunctionHandler]: Unknown extern function pci_try_set_mwi [2022-12-14 16:04:36,834 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 16:04:36,835 WARN L623 FunctionHandler]: Unknown extern function usb_add_gadget_udc_release [2022-12-14 16:04:36,889 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 16:04:36,890 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 16:04:36,890 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 16:04:36,891 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 16:04:36,891 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 16:04:36,891 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 16:04:36,891 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 16:04:36,892 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 16:04:36,892 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 16:04:36,893 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 16:04:36,893 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 16:04:36,894 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 16:04:36,894 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 16:04:36,895 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 16:04:36,907 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 16:04:36,913 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 16:04:36,931 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[374384,374397] [2022-12-14 16:04:36,932 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[374529,374542] [2022-12-14 16:04:36,932 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[374675,374688] [2022-12-14 16:04:36,932 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[374840,374853] [2022-12-14 16:04:36,933 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[374998,375011] [2022-12-14 16:04:36,933 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[375156,375169] [2022-12-14 16:04:36,933 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[375314,375327] [2022-12-14 16:04:36,934 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[375474,375487] [2022-12-14 16:04:36,934 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[375633,375646] [2022-12-14 16:04:36,934 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[375772,375785] [2022-12-14 16:04:36,934 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[375914,375927] [2022-12-14 16:04:36,935 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[376063,376076] [2022-12-14 16:04:36,935 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[376202,376215] [2022-12-14 16:04:36,935 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[376357,376370] [2022-12-14 16:04:36,936 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[376517,376530] [2022-12-14 16:04:36,936 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[376668,376681] [2022-12-14 16:04:36,936 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[376819,376832] [2022-12-14 16:04:36,936 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[376971,376984] [2022-12-14 16:04:36,937 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[377120,377133] [2022-12-14 16:04:36,937 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[377268,377281] [2022-12-14 16:04:36,937 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[377425,377438] [2022-12-14 16:04:36,937 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[377574,377587] [2022-12-14 16:04:36,938 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[377730,377743] [2022-12-14 16:04:36,938 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[377883,377896] [2022-12-14 16:04:36,938 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[378029,378042] [2022-12-14 16:04:36,938 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[378172,378185] [2022-12-14 16:04:36,939 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[378324,378337] [2022-12-14 16:04:36,939 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[378470,378483] [2022-12-14 16:04:36,939 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[378615,378628] [2022-12-14 16:04:36,940 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[378769,378782] [2022-12-14 16:04:36,940 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[378920,378933] [2022-12-14 16:04:36,940 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[379075,379088] [2022-12-14 16:04:36,940 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[379227,379240] [2022-12-14 16:04:36,941 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[379382,379395] [2022-12-14 16:04:36,941 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[379546,379559] [2022-12-14 16:04:36,941 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[379702,379715] [2022-12-14 16:04:36,941 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[379866,379879] [2022-12-14 16:04:36,942 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[380008,380021] [2022-12-14 16:04:36,942 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[380166,380179] [2022-12-14 16:04:36,942 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[380333,380346] [2022-12-14 16:04:36,942 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[380492,380505] [2022-12-14 16:04:36,943 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[380651,380664] [2022-12-14 16:04:36,943 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[380800,380813] [2022-12-14 16:04:36,943 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[380947,380960] [2022-12-14 16:04:36,943 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[381086,381099] [2022-12-14 16:04:36,944 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[381249,381262] [2022-12-14 16:04:36,944 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[381415,381428] [2022-12-14 16:04:36,944 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[381579,381592] [2022-12-14 16:04:36,945 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[381744,381757] [2022-12-14 16:04:36,945 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[381909,381922] [2022-12-14 16:04:36,945 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[382075,382088] [2022-12-14 16:04:36,945 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[382240,382253] [2022-12-14 16:04:36,946 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[382407,382420] [2022-12-14 16:04:36,946 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[382567,382580] [2022-12-14 16:04:36,946 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[382729,382742] [2022-12-14 16:04:36,946 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[382888,382901] [2022-12-14 16:04:36,947 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[383034,383047] [2022-12-14 16:04:36,947 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[383177,383190] [2022-12-14 16:04:36,947 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[383321,383334] [2022-12-14 16:04:36,948 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[383464,383477] [2022-12-14 16:04:36,948 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[383608,383621] [2022-12-14 16:04:36,948 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[383749,383762] [2022-12-14 16:04:36,949 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[383887,383900] [2022-12-14 16:04:36,949 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[384045,384058] [2022-12-14 16:04:36,949 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[384204,384217] [2022-12-14 16:04:36,949 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[384360,384373] [2022-12-14 16:04:36,950 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[384509,384522] [2022-12-14 16:04:36,950 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[384661,384674] [2022-12-14 16:04:36,950 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[384812,384825] [2022-12-14 16:04:36,950 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[384961,384974] [2022-12-14 16:04:36,951 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[385113,385126] [2022-12-14 16:04:36,951 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[385261,385274] [2022-12-14 16:04:36,951 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[385414,385427] [2022-12-14 16:04:36,952 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[385565,385578] [2022-12-14 16:04:36,952 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[385715,385728] [2022-12-14 16:04:36,952 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[385862,385875] [2022-12-14 16:04:36,952 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[386013,386026] [2022-12-14 16:04:36,953 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[386164,386177] [2022-12-14 16:04:36,953 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[386312,386325] [2022-12-14 16:04:36,953 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[386478,386491] [2022-12-14 16:04:36,953 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[386647,386660] [2022-12-14 16:04:36,954 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[386814,386827] [2022-12-14 16:04:36,954 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[386982,386995] [2022-12-14 16:04:36,954 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[387132,387145] [2022-12-14 16:04:36,954 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[387279,387292] [2022-12-14 16:04:36,955 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[387440,387453] [2022-12-14 16:04:36,955 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[387610,387623] [2022-12-14 16:04:36,955 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_c3b900d2-195e-46e1-8203-e798aa45a838/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i[387772,387785] [2022-12-14 16:04:36,958 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:04:37,120 INFO L208 MainTranslator]: Completed translation [2022-12-14 16:04:37,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:04:37 WrapperNode [2022-12-14 16:04:37,121 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 16:04:37,122 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 16:04:37,122 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 16:04:37,122 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 16:04:37,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:04:37" (1/1) ... [2022-12-14 16:04:37,192 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:04:37" (1/1) ... [2022-12-14 16:04:37,403 INFO L138 Inliner]: procedures = 701, calls = 2862, calls flagged for inlining = 312, calls inlined = 235, statements flattened = 5710 [2022-12-14 16:04:37,404 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 16:04:37,404 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 16:04:37,404 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 16:04:37,404 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 16:04:37,412 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:04:37" (1/1) ... [2022-12-14 16:04:37,413 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:04:37" (1/1) ... [2022-12-14 16:04:37,440 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:04:37" (1/1) ... [2022-12-14 16:04:37,441 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:04:37" (1/1) ... [2022-12-14 16:04:37,615 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:04:37" (1/1) ... [2022-12-14 16:04:37,634 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:04:37" (1/1) ... [2022-12-14 16:04:37,684 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:04:37" (1/1) ... [2022-12-14 16:04:37,704 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:04:37" (1/1) ... [2022-12-14 16:04:37,770 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 16:04:37,771 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 16:04:37,771 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 16:04:37,771 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 16:04:37,771 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:04:37" (1/1) ... [2022-12-14 16:04:37,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 16:04:37,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b900d2-195e-46e1-8203-e798aa45a838/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 16:04:37,816 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b900d2-195e-46e1-8203-e798aa45a838/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 16:04:37,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b900d2-195e-46e1-8203-e798aa45a838/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 16:04:37,847 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_clear_stall [2022-12-14 16:04:37,847 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_clear_stall [2022-12-14 16:04:37,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_99 [2022-12-14 16:04:37,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_99 [2022-12-14 16:04:37,847 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_clear_ep_status [2022-12-14 16:04:37,847 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_clear_ep_status [2022-12-14 16:04:37,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-12-14 16:04:37,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-12-14 16:04:37,847 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_init_setup_buff [2022-12-14 16:04:37,847 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_init_setup_buff [2022-12-14 16:04:37,848 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_resume [2022-12-14 16:04:37,848 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_resume [2022-12-14 16:04:37,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 16:04:37,848 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 16:04:37,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_udc_stall_spinlock [2022-12-14 16:04:37,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_udc_stall_spinlock [2022-12-14 16:04:37,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 16:04:37,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 16:04:37,848 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_shutdown [2022-12-14 16:04:37,848 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_shutdown [2022-12-14 16:04:37,848 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_clear_dma [2022-12-14 16:04:37,848 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_clear_dma [2022-12-14 16:04:37,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-12-14 16:04:37,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-12-14 16:04:37,848 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-12-14 16:04:37,848 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-12-14 16:04:37,848 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_pcd_init [2022-12-14 16:04:37,848 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_pcd_init [2022-12-14 16:04:37,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-14 16:04:37,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-14 16:04:37,848 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-12-14 16:04:37,848 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-12-14 16:04:37,848 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_svc_data_out [2022-12-14 16:04:37,849 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_svc_data_out [2022-12-14 16:04:37,849 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_free_dma_chain [2022-12-14 16:04:37,849 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_free_dma_chain [2022-12-14 16:04:37,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-12-14 16:04:37,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-12-14 16:04:37,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-12-14 16:04:37,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-12-14 16:04:37,849 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-12-14 16:04:37,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-12-14 16:04:37,849 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_read_ep_control [2022-12-14 16:04:37,849 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_read_ep_control [2022-12-14 16:04:37,849 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_pcd_set_wedge [2022-12-14 16:04:37,849 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_pcd_set_wedge [2022-12-14 16:04:37,849 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_reconnect [2022-12-14 16:04:37,849 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_reconnect [2022-12-14 16:04:37,849 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_readl [2022-12-14 16:04:37,849 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_readl [2022-12-14 16:04:37,849 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_postsvc_epinters [2022-12-14 16:04:37,850 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_postsvc_epinters [2022-12-14 16:04:37,850 INFO L130 BoogieDeclarations]: Found specification of procedure phys_to_virt [2022-12-14 16:04:37,850 INFO L138 BoogieDeclarations]: Found implementation of procedure phys_to_virt [2022-12-14 16:04:37,850 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-12-14 16:04:37,850 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-12-14 16:04:37,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-14 16:04:37,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-14 16:04:37,850 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2022-12-14 16:04:37,850 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2022-12-14 16:04:37,850 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_start_rxrequest [2022-12-14 16:04:37,850 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_start_rxrequest [2022-12-14 16:04:37,850 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-12-14 16:04:37,850 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-12-14 16:04:37,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-14 16:04:37,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-14 16:04:37,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-12-14 16:04:37,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-12-14 16:04:37,850 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-14 16:04:37,850 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-14 16:04:37,851 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2022-12-14 16:04:37,851 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2022-12-14 16:04:37,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 16:04:37,851 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_disable_ep_interrupts [2022-12-14 16:04:37,851 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_disable_ep_interrupts [2022-12-14 16:04:37,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-12-14 16:04:37,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-12-14 16:04:37,851 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_wait_ep_stall [2022-12-14 16:04:37,851 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_wait_ep_stall [2022-12-14 16:04:37,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-14 16:04:37,851 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-12-14 16:04:37,851 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-12-14 16:04:37,851 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-12-14 16:04:37,851 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-12-14 16:04:37,851 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_fifo_flush [2022-12-14 16:04:37,852 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_fifo_flush [2022-12-14 16:04:37,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_102 [2022-12-14 16:04:37,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_102 [2022-12-14 16:04:37,852 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_clear_nak [2022-12-14 16:04:37,852 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_clear_nak [2022-12-14 16:04:37,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 16:04:37,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-12-14 16:04:37,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-12-14 16:04:37,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-14 16:04:37,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-14 16:04:37,852 INFO L130 BoogieDeclarations]: Found specification of procedure empty_req_queue [2022-12-14 16:04:37,852 INFO L138 BoogieDeclarations]: Found implementation of procedure empty_req_queue [2022-12-14 16:04:37,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-12-14 16:04:37,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-12-14 16:04:37,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 16:04:37,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-12-14 16:04:37,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-12-14 16:04:37,853 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-12-14 16:04:37,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-12-14 16:04:37,853 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_set_nak [2022-12-14 16:04:37,853 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_set_nak [2022-12-14 16:04:37,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-14 16:04:37,853 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-14 16:04:37,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-12-14 16:04:37,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-12-14 16:04:37,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-12-14 16:04:37,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-12-14 16:04:37,854 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_start [2022-12-14 16:04:37,854 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_start [2022-12-14 16:04:37,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-12-14 16:04:37,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-12-14 16:04:37,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-12-14 16:04:37,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-12-14 16:04:37,854 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_read_device_status [2022-12-14 16:04:37,854 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_read_device_status [2022-12-14 16:04:37,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_1 [2022-12-14 16:04:37,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_1 [2022-12-14 16:04:37,854 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-12-14 16:04:37,854 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-12-14 16:04:37,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-12-14 16:04:37,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-12-14 16:04:37,854 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-12-14 16:04:37,854 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-12-14 16:04:37,854 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_pcd_dequeue [2022-12-14 16:04:37,854 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_pcd_dequeue [2022-12-14 16:04:37,855 INFO L130 BoogieDeclarations]: Found specification of procedure pch_vbus_gpio_init [2022-12-14 16:04:37,855 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_vbus_gpio_init [2022-12-14 16:04:37,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-12-14 16:04:37,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-12-14 16:04:37,855 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_disable_interrupts [2022-12-14 16:04:37,855 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_disable_interrupts [2022-12-14 16:04:37,855 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_pcd_wakeup [2022-12-14 16:04:37,855 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_pcd_wakeup [2022-12-14 16:04:37,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_pch_udc_dev [2022-12-14 16:04:37,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_pch_udc_dev [2022-12-14 16:04:37,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_check_return_value_probe [2022-12-14 16:04:37,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_check_return_value_probe [2022-12-14 16:04:37,855 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_to_desc [2022-12-14 16:04:37,855 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_to_desc [2022-12-14 16:04:37,855 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_svc_control_out [2022-12-14 16:04:37,855 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_svc_control_out [2022-12-14 16:04:37,855 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_dev_isr [2022-12-14 16:04:37,855 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_dev_isr [2022-12-14 16:04:37,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 16:04:37,855 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_set_stall [2022-12-14 16:04:37,855 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_set_stall [2022-12-14 16:04:37,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_0 [2022-12-14 16:04:37,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_0 [2022-12-14 16:04:37,855 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_init [2022-12-14 16:04:37,856 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_init [2022-12-14 16:04:37,856 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-12-14 16:04:37,856 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-12-14 16:04:37,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_check_return_value_probe [2022-12-14 16:04:37,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_check_return_value_probe [2022-12-14 16:04:37,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 16:04:37,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-14 16:04:37,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-14 16:04:37,856 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-12-14 16:04:37,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-12-14 16:04:37,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 16:04:37,856 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 16:04:37,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 16:04:37,856 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_enable_ep_interrupts [2022-12-14 16:04:37,856 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_enable_ep_interrupts [2022-12-14 16:04:37,856 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-12-14 16:04:37,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-12-14 16:04:37,856 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_pcd_ep_enable [2022-12-14 16:04:37,856 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_pcd_ep_enable [2022-12-14 16:04:37,856 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_remove [2022-12-14 16:04:37,856 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_remove [2022-12-14 16:04:37,856 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_release [2022-12-14 16:04:37,856 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_release [2022-12-14 16:04:37,856 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-12-14 16:04:37,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-12-14 16:04:37,857 INFO L130 BoogieDeclarations]: Found specification of procedure pch_vbus_gpio_work_fall [2022-12-14 16:04:37,857 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_vbus_gpio_work_fall [2022-12-14 16:04:37,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_pch_udc_dev [2022-12-14 16:04:37,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_pch_udc_dev [2022-12-14 16:04:37,857 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_set_maxpacket_limit [2022-12-14 16:04:37,857 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_set_maxpacket_limit [2022-12-14 16:04:37,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-12-14 16:04:37,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-12-14 16:04:37,857 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_set_bufsz [2022-12-14 16:04:37,857 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_set_bufsz [2022-12-14 16:04:37,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 16:04:37,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 16:04:37,857 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_enable_interrupts [2022-12-14 16:04:37,857 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_enable_interrupts [2022-12-14 16:04:37,857 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_bit_clr [2022-12-14 16:04:37,857 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_bit_clr [2022-12-14 16:04:37,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 16:04:37,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 16:04:37,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 16:04:37,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 16:04:37,857 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_bit_set [2022-12-14 16:04:37,857 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_bit_set [2022-12-14 16:04:37,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-14 16:04:37,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-14 16:04:37,858 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-12-14 16:04:37,858 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-12-14 16:04:37,858 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2022-12-14 16:04:37,858 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2022-12-14 16:04:37,858 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_csr_busy [2022-12-14 16:04:37,858 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_csr_busy [2022-12-14 16:04:37,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-12-14 16:04:37,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-12-14 16:04:37,858 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_stop [2022-12-14 16:04:37,858 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_stop [2022-12-14 16:04:37,858 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-12-14 16:04:37,858 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-12-14 16:04:37,858 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_writel [2022-12-14 16:04:37,858 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_writel [2022-12-14 16:04:37,858 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_isr [2022-12-14 16:04:37,858 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_isr [2022-12-14 16:04:37,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 16:04:37,858 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 16:04:37,858 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_readl [2022-12-14 16:04:37,858 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_readl [2022-12-14 16:04:37,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-12-14 16:04:37,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-12-14 16:04:37,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-12-14 16:04:37,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-12-14 16:04:37,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-12-14 16:04:37,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-12-14 16:04:37,859 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-12-14 16:04:37,859 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-12-14 16:04:37,859 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_set_rrdy [2022-12-14 16:04:37,859 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_set_rrdy [2022-12-14 16:04:37,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 16:04:37,859 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-14 16:04:37,859 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-14 16:04:37,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-12-14 16:04:37,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-12-14 16:04:37,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_117 [2022-12-14 16:04:37,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_117 [2022-12-14 16:04:37,859 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_pcd_ep_disable [2022-12-14 16:04:37,859 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_pcd_ep_disable [2022-12-14 16:04:37,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 16:04:37,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_register_10_2 [2022-12-14 16:04:37,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_register_10_2 [2022-12-14 16:04:37,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_139 [2022-12-14 16:04:37,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_139 [2022-12-14 16:04:37,859 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-12-14 16:04:37,859 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-12-14 16:04:37,859 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_set_maxpkt [2022-12-14 16:04:37,859 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_set_maxpkt [2022-12-14 16:04:37,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 16:04:37,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-12-14 16:04:37,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-12-14 16:04:37,860 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-12-14 16:04:37,860 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-12-14 16:04:37,860 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_pcd_fifo_flush [2022-12-14 16:04:37,860 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_pcd_fifo_flush [2022-12-14 16:04:37,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-12-14 16:04:37,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-12-14 16:04:37,860 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_set_dma [2022-12-14 16:04:37,860 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_set_dma [2022-12-14 16:04:37,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-12-14 16:04:37,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-12-14 16:04:37,860 INFO L130 BoogieDeclarations]: Found specification of procedure pch_vbus_gpio_get_value [2022-12-14 16:04:37,860 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_vbus_gpio_get_value [2022-12-14 16:04:37,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-14 16:04:37,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-14 16:04:37,860 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-12-14 16:04:37,860 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-12-14 16:04:37,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-12-14 16:04:37,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-12-14 16:04:37,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-14 16:04:37,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-14 16:04:37,860 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_write_ep_interrupts [2022-12-14 16:04:37,861 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_write_ep_interrupts [2022-12-14 16:04:37,861 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-12-14 16:04:37,861 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-12-14 16:04:37,861 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_svc_intf_interrupt [2022-12-14 16:04:37,861 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_svc_intf_interrupt [2022-12-14 16:04:37,861 INFO L130 BoogieDeclarations]: Found specification of procedure complete_req [2022-12-14 16:04:37,861 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_req [2022-12-14 16:04:37,861 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_writel [2022-12-14 16:04:37,861 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_writel [2022-12-14 16:04:37,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-12-14 16:04:37,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-12-14 16:04:37,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-12-14 16:04:37,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-12-14 16:04:37,861 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 16:04:37,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 16:04:37,861 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_read_csr [2022-12-14 16:04:37,861 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_read_csr [2022-12-14 16:04:37,861 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_bit_set [2022-12-14 16:04:37,861 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_bit_set [2022-12-14 16:04:37,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-12-14 16:04:37,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-12-14 16:04:37,861 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 16:04:37,861 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 16:04:37,861 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_set_ddptr [2022-12-14 16:04:37,862 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_set_ddptr [2022-12-14 16:04:37,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 16:04:37,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-12-14 16:04:37,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-12-14 16:04:37,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 16:04:37,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 16:04:37,862 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_clear_ep_control [2022-12-14 16:04:37,862 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_clear_ep_control [2022-12-14 16:04:37,862 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-12-14 16:04:37,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-12-14 16:04:37,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_97 [2022-12-14 16:04:37,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_97 [2022-12-14 16:04:37,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-12-14 16:04:37,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-12-14 16:04:37,862 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_start_next_txrequest [2022-12-14 16:04:37,862 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_start_next_txrequest [2022-12-14 16:04:37,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_96 [2022-12-14 16:04:37,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_96 [2022-12-14 16:04:37,862 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-12-14 16:04:37,862 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-12-14 16:04:37,862 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_probe [2022-12-14 16:04:37,862 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_probe [2022-12-14 16:04:37,862 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_read_ep_status [2022-12-14 16:04:37,862 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_read_ep_status [2022-12-14 16:04:37,862 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_write_csr [2022-12-14 16:04:37,863 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_write_csr [2022-12-14 16:04:37,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-14 16:04:37,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-14 16:04:37,863 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-12-14 16:04:37,863 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-12-14 16:04:37,863 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_complete_transfer [2022-12-14 16:04:37,863 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_complete_transfer [2022-12-14 16:04:37,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-12-14 16:04:37,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-12-14 16:04:37,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_handler_0_5 [2022-12-14 16:04:37,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_handler_0_5 [2022-12-14 16:04:37,863 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-12-14 16:04:37,863 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-12-14 16:04:37,863 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_ep_bit_clr [2022-12-14 16:04:37,863 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_ep_bit_clr [2022-12-14 16:04:37,863 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-12-14 16:04:37,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-12-14 16:04:37,863 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_set_disconnect [2022-12-14 16:04:37,863 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_set_disconnect [2022-12-14 16:04:37,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 16:04:37,863 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_svc_cfg_interrupt [2022-12-14 16:04:37,863 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_svc_cfg_interrupt [2022-12-14 16:04:37,863 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2022-12-14 16:04:37,863 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2022-12-14 16:04:37,864 INFO L130 BoogieDeclarations]: Found specification of procedure pch_udc_pcd_get_frame [2022-12-14 16:04:37,864 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_udc_pcd_get_frame [2022-12-14 16:04:38,470 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 16:04:38,473 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 16:04:38,820 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 16:04:46,647 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 16:04:47,191 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 16:04:47,192 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-12-14 16:04:47,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:04:47 BoogieIcfgContainer [2022-12-14 16:04:47,196 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 16:04:47,198 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 16:04:47,198 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 16:04:47,200 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 16:04:47,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 04:04:33" (1/3) ... [2022-12-14 16:04:47,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7db15ff4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:04:47, skipping insertion in model container [2022-12-14 16:04:47,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:04:37" (2/3) ... [2022-12-14 16:04:47,201 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7db15ff4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:04:47, skipping insertion in model container [2022-12-14 16:04:47,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:04:47" (3/3) ... [2022-12-14 16:04:47,202 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--usb--gadget--udc--pch_udc.ko.cil.i [2022-12-14 16:04:47,219 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 16:04:47,220 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2022-12-14 16:04:47,296 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 16:04:47,302 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@138d2a1e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 16:04:47,302 INFO L358 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2022-12-14 16:04:47,310 INFO L276 IsEmpty]: Start isEmpty. Operand has 2056 states, 1163 states have (on average 1.3215821152192606) internal successors, (1537), 1274 states have internal predecessors, (1537), 703 states have call successors, (703), 167 states have call predecessors, (703), 166 states have return successors, (695), 679 states have call predecessors, (695), 695 states have call successors, (695) [2022-12-14 16:04:47,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-14 16:04:47,319 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:04:47,320 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 16:04:47,320 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-12-14 16:04:47,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:04:47,325 INFO L85 PathProgramCache]: Analyzing trace with hash -2007376960, now seen corresponding path program 1 times [2022-12-14 16:04:47,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:04:47,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617248646] [2022-12-14 16:04:47,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:04:47,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:04:47,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:04:47,994 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 16:04:47,994 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:04:47,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617248646] [2022-12-14 16:04:47,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617248646] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:04:47,995 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:04:47,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 16:04:47,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255905142] [2022-12-14 16:04:47,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:04:48,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 16:04:48,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:04:48,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 16:04:48,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 16:04:48,037 INFO L87 Difference]: Start difference. First operand has 2056 states, 1163 states have (on average 1.3215821152192606) internal successors, (1537), 1274 states have internal predecessors, (1537), 703 states have call successors, (703), 167 states have call predecessors, (703), 166 states have return successors, (695), 679 states have call predecessors, (695), 695 states have call successors, (695) Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-14 16:04:49,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:04:49,551 INFO L93 Difference]: Finished difference Result 5490 states and 8105 transitions. [2022-12-14 16:04:49,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 16:04:49,553 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 47 [2022-12-14 16:04:49,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:04:49,592 INFO L225 Difference]: With dead ends: 5490 [2022-12-14 16:04:49,592 INFO L226 Difference]: Without dead ends: 3427 [2022-12-14 16:04:49,610 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 16:04:49,613 INFO L413 NwaCegarLoop]: 3204 mSDtfsCounter, 1945 mSDsluCounter, 5779 mSDsCounter, 0 mSdLazyCounter, 868 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1947 SdHoareTripleChecker+Valid, 8983 SdHoareTripleChecker+Invalid, 869 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 868 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-12-14 16:04:49,613 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1947 Valid, 8983 Invalid, 869 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 868 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-14 16:04:49,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3427 states. [2022-12-14 16:04:49,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3427 to 3256. [2022-12-14 16:04:49,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3256 states, 1846 states have (on average 1.2876489707475622) internal successors, (2377), 1988 states have internal predecessors, (2377), 1105 states have call successors, (1105), 278 states have call predecessors, (1105), 277 states have return successors, (1111), 1072 states have call predecessors, (1111), 1103 states have call successors, (1111) [2022-12-14 16:04:49,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3256 states to 3256 states and 4593 transitions. [2022-12-14 16:04:49,898 INFO L78 Accepts]: Start accepts. Automaton has 3256 states and 4593 transitions. Word has length 47 [2022-12-14 16:04:49,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:04:49,898 INFO L495 AbstractCegarLoop]: Abstraction has 3256 states and 4593 transitions. [2022-12-14 16:04:49,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-14 16:04:49,899 INFO L276 IsEmpty]: Start isEmpty. Operand 3256 states and 4593 transitions. [2022-12-14 16:04:49,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-12-14 16:04:49,901 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:04:49,901 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 16:04:49,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 16:04:49,902 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-12-14 16:04:49,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:04:49,903 INFO L85 PathProgramCache]: Analyzing trace with hash -2084330075, now seen corresponding path program 1 times [2022-12-14 16:04:49,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:04:49,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492732220] [2022-12-14 16:04:49,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:04:49,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:04:49,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:04:50,291 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 16:04:50,292 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:04:50,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492732220] [2022-12-14 16:04:50,292 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492732220] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:04:50,292 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:04:50,292 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 16:04:50,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94652463] [2022-12-14 16:04:50,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:04:50,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 16:04:50,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:04:50,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 16:04:50,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 16:04:50,296 INFO L87 Difference]: Start difference. First operand 3256 states and 4593 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-14 16:04:51,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:04:51,482 INFO L93 Difference]: Finished difference Result 3256 states and 4593 transitions. [2022-12-14 16:04:51,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 16:04:51,482 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 52 [2022-12-14 16:04:51,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:04:51,513 INFO L225 Difference]: With dead ends: 3256 [2022-12-14 16:04:51,513 INFO L226 Difference]: Without dead ends: 3254 [2022-12-14 16:04:51,516 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 16:04:51,517 INFO L413 NwaCegarLoop]: 2570 mSDtfsCounter, 2829 mSDsluCounter, 2570 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2831 SdHoareTripleChecker+Valid, 5140 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-14 16:04:51,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2831 Valid, 5140 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-14 16:04:51,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3254 states. [2022-12-14 16:04:51,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3254 to 3254. [2022-12-14 16:04:51,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3254 states, 1845 states have (on average 1.2872628726287263) internal successors, (2375), 1986 states have internal predecessors, (2375), 1105 states have call successors, (1105), 278 states have call predecessors, (1105), 277 states have return successors, (1111), 1072 states have call predecessors, (1111), 1103 states have call successors, (1111) [2022-12-14 16:04:51,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3254 states to 3254 states and 4591 transitions. [2022-12-14 16:04:51,699 INFO L78 Accepts]: Start accepts. Automaton has 3254 states and 4591 transitions. Word has length 52 [2022-12-14 16:04:51,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:04:51,700 INFO L495 AbstractCegarLoop]: Abstraction has 3254 states and 4591 transitions. [2022-12-14 16:04:51,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-14 16:04:51,700 INFO L276 IsEmpty]: Start isEmpty. Operand 3254 states and 4591 transitions. [2022-12-14 16:04:51,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-12-14 16:04:51,703 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:04:51,703 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 16:04:51,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 16:04:51,704 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-12-14 16:04:51,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:04:51,704 INFO L85 PathProgramCache]: Analyzing trace with hash 472875679, now seen corresponding path program 1 times [2022-12-14 16:04:51,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:04:51,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744729517] [2022-12-14 16:04:51,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:04:51,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:04:51,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:04:52,025 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 16:04:52,026 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:04:52,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744729517] [2022-12-14 16:04:52,026 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744729517] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:04:52,026 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:04:52,026 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 16:04:52,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369059187] [2022-12-14 16:04:52,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:04:52,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 16:04:52,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:04:52,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 16:04:52,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 16:04:52,028 INFO L87 Difference]: Start difference. First operand 3254 states and 4591 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-14 16:04:53,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:04:53,062 INFO L93 Difference]: Finished difference Result 3254 states and 4591 transitions. [2022-12-14 16:04:53,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 16:04:53,062 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 57 [2022-12-14 16:04:53,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:04:53,077 INFO L225 Difference]: With dead ends: 3254 [2022-12-14 16:04:53,077 INFO L226 Difference]: Without dead ends: 3252 [2022-12-14 16:04:53,079 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 16:04:53,080 INFO L413 NwaCegarLoop]: 2568 mSDtfsCounter, 2826 mSDsluCounter, 2568 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2828 SdHoareTripleChecker+Valid, 5136 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-14 16:04:53,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2828 Valid, 5136 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-14 16:04:53,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3252 states. [2022-12-14 16:04:53,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3252 to 3252. [2022-12-14 16:04:53,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3252 states, 1844 states have (on average 1.2868763557483731) internal successors, (2373), 1984 states have internal predecessors, (2373), 1105 states have call successors, (1105), 278 states have call predecessors, (1105), 277 states have return successors, (1111), 1072 states have call predecessors, (1111), 1103 states have call successors, (1111) [2022-12-14 16:04:53,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3252 states to 3252 states and 4589 transitions. [2022-12-14 16:04:53,205 INFO L78 Accepts]: Start accepts. Automaton has 3252 states and 4589 transitions. Word has length 57 [2022-12-14 16:04:53,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:04:53,205 INFO L495 AbstractCegarLoop]: Abstraction has 3252 states and 4589 transitions. [2022-12-14 16:04:53,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-14 16:04:53,206 INFO L276 IsEmpty]: Start isEmpty. Operand 3252 states and 4589 transitions. [2022-12-14 16:04:53,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-12-14 16:04:53,207 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:04:53,208 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 16:04:53,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 16:04:53,208 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-12-14 16:04:53,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:04:53,208 INFO L85 PathProgramCache]: Analyzing trace with hash -425276679, now seen corresponding path program 1 times [2022-12-14 16:04:53,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:04:53,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457620947] [2022-12-14 16:04:53,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:04:53,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:04:53,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:04:53,429 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 16:04:53,429 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:04:53,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457620947] [2022-12-14 16:04:53,430 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457620947] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:04:53,430 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:04:53,430 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 16:04:53,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710987912] [2022-12-14 16:04:53,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:04:53,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 16:04:53,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:04:53,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 16:04:53,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 16:04:53,431 INFO L87 Difference]: Start difference. First operand 3252 states and 4589 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-14 16:04:54,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:04:54,413 INFO L93 Difference]: Finished difference Result 3252 states and 4589 transitions. [2022-12-14 16:04:54,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 16:04:54,414 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 62 [2022-12-14 16:04:54,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:04:54,433 INFO L225 Difference]: With dead ends: 3252 [2022-12-14 16:04:54,433 INFO L226 Difference]: Without dead ends: 3250 [2022-12-14 16:04:54,436 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 16:04:54,437 INFO L413 NwaCegarLoop]: 2566 mSDtfsCounter, 2823 mSDsluCounter, 2566 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2825 SdHoareTripleChecker+Valid, 5132 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 16:04:54,437 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2825 Valid, 5132 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 16:04:54,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3250 states. [2022-12-14 16:04:54,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3250 to 3250. [2022-12-14 16:04:54,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3250 states, 1843 states have (on average 1.2864894194248508) internal successors, (2371), 1982 states have internal predecessors, (2371), 1105 states have call successors, (1105), 278 states have call predecessors, (1105), 277 states have return successors, (1111), 1072 states have call predecessors, (1111), 1103 states have call successors, (1111) [2022-12-14 16:04:54,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3250 states to 3250 states and 4587 transitions. [2022-12-14 16:04:54,587 INFO L78 Accepts]: Start accepts. Automaton has 3250 states and 4587 transitions. Word has length 62 [2022-12-14 16:04:54,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:04:54,588 INFO L495 AbstractCegarLoop]: Abstraction has 3250 states and 4587 transitions. [2022-12-14 16:04:54,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-14 16:04:54,588 INFO L276 IsEmpty]: Start isEmpty. Operand 3250 states and 4587 transitions. [2022-12-14 16:04:54,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-12-14 16:04:54,589 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:04:54,589 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 16:04:54,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 16:04:54,589 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-12-14 16:04:54,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:04:54,589 INFO L85 PathProgramCache]: Analyzing trace with hash 688957065, now seen corresponding path program 1 times [2022-12-14 16:04:54,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:04:54,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993200873] [2022-12-14 16:04:54,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:04:54,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:04:54,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:04:54,776 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 16:04:54,776 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:04:54,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993200873] [2022-12-14 16:04:54,777 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993200873] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:04:54,777 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:04:54,777 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 16:04:54,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342570584] [2022-12-14 16:04:54,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:04:54,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 16:04:54,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:04:54,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 16:04:54,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 16:04:54,778 INFO L87 Difference]: Start difference. First operand 3250 states and 4587 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-12-14 16:04:55,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:04:55,596 INFO L93 Difference]: Finished difference Result 3250 states and 4587 transitions. [2022-12-14 16:04:55,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 16:04:55,597 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 67 [2022-12-14 16:04:55,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:04:55,615 INFO L225 Difference]: With dead ends: 3250 [2022-12-14 16:04:55,615 INFO L226 Difference]: Without dead ends: 3248 [2022-12-14 16:04:55,618 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 16:04:55,619 INFO L413 NwaCegarLoop]: 2564 mSDtfsCounter, 2820 mSDsluCounter, 2564 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2822 SdHoareTripleChecker+Valid, 5128 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-14 16:04:55,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2822 Valid, 5128 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-14 16:04:55,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3248 states. [2022-12-14 16:04:55,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3248 to 3248. [2022-12-14 16:04:55,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3248 states, 1842 states have (on average 1.286102062975027) internal successors, (2369), 1980 states have internal predecessors, (2369), 1105 states have call successors, (1105), 278 states have call predecessors, (1105), 277 states have return successors, (1111), 1072 states have call predecessors, (1111), 1103 states have call successors, (1111) [2022-12-14 16:04:55,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3248 states to 3248 states and 4585 transitions. [2022-12-14 16:04:55,821 INFO L78 Accepts]: Start accepts. Automaton has 3248 states and 4585 transitions. Word has length 67 [2022-12-14 16:04:55,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:04:55,822 INFO L495 AbstractCegarLoop]: Abstraction has 3248 states and 4585 transitions. [2022-12-14 16:04:55,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-12-14 16:04:55,822 INFO L276 IsEmpty]: Start isEmpty. Operand 3248 states and 4585 transitions. [2022-12-14 16:04:55,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-12-14 16:04:55,823 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:04:55,823 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 16:04:55,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 16:04:55,823 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-12-14 16:04:55,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:04:55,823 INFO L85 PathProgramCache]: Analyzing trace with hash -737504543, now seen corresponding path program 1 times [2022-12-14 16:04:55,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:04:55,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627071396] [2022-12-14 16:04:55,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:04:55,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:04:55,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:04:56,139 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 16:04:56,140 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:04:56,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627071396] [2022-12-14 16:04:56,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627071396] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:04:56,140 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:04:56,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 16:04:56,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553346974] [2022-12-14 16:04:56,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:04:56,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 16:04:56,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:04:56,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 16:04:56,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 16:04:56,142 INFO L87 Difference]: Start difference. First operand 3248 states and 4585 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 16:04:57,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:04:57,059 INFO L93 Difference]: Finished difference Result 3248 states and 4585 transitions. [2022-12-14 16:04:57,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 16:04:57,059 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 72 [2022-12-14 16:04:57,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:04:57,081 INFO L225 Difference]: With dead ends: 3248 [2022-12-14 16:04:57,082 INFO L226 Difference]: Without dead ends: 3246 [2022-12-14 16:04:57,083 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 16:04:57,084 INFO L413 NwaCegarLoop]: 2562 mSDtfsCounter, 2817 mSDsluCounter, 2562 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2819 SdHoareTripleChecker+Valid, 5124 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 16:04:57,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2819 Valid, 5124 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 16:04:57,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3246 states. [2022-12-14 16:04:57,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3246 to 3246. [2022-12-14 16:04:57,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3246 states, 1841 states have (on average 1.2857142857142858) internal successors, (2367), 1978 states have internal predecessors, (2367), 1105 states have call successors, (1105), 278 states have call predecessors, (1105), 277 states have return successors, (1111), 1072 states have call predecessors, (1111), 1103 states have call successors, (1111) [2022-12-14 16:04:57,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3246 states to 3246 states and 4583 transitions. [2022-12-14 16:04:57,223 INFO L78 Accepts]: Start accepts. Automaton has 3246 states and 4583 transitions. Word has length 72 [2022-12-14 16:04:57,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:04:57,223 INFO L495 AbstractCegarLoop]: Abstraction has 3246 states and 4583 transitions. [2022-12-14 16:04:57,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 16:04:57,224 INFO L276 IsEmpty]: Start isEmpty. Operand 3246 states and 4583 transitions. [2022-12-14 16:04:57,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-12-14 16:04:57,225 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:04:57,225 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 16:04:57,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 16:04:57,225 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-12-14 16:04:57,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:04:57,226 INFO L85 PathProgramCache]: Analyzing trace with hash -245662083, now seen corresponding path program 1 times [2022-12-14 16:04:57,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:04:57,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715901151] [2022-12-14 16:04:57,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:04:57,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:04:57,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:04:57,463 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 16:04:57,463 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:04:57,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715901151] [2022-12-14 16:04:57,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715901151] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:04:57,463 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:04:57,464 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 16:04:57,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782688736] [2022-12-14 16:04:57,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:04:57,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 16:04:57,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:04:57,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 16:04:57,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 16:04:57,465 INFO L87 Difference]: Start difference. First operand 3246 states and 4583 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-14 16:04:58,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:04:58,626 INFO L93 Difference]: Finished difference Result 3246 states and 4583 transitions. [2022-12-14 16:04:58,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 16:04:58,626 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 77 [2022-12-14 16:04:58,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:04:58,637 INFO L225 Difference]: With dead ends: 3246 [2022-12-14 16:04:58,637 INFO L226 Difference]: Without dead ends: 3244 [2022-12-14 16:04:58,639 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 16:04:58,639 INFO L413 NwaCegarLoop]: 2560 mSDtfsCounter, 2814 mSDsluCounter, 2560 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2816 SdHoareTripleChecker+Valid, 5120 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-14 16:04:58,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2816 Valid, 5120 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-14 16:04:58,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3244 states. [2022-12-14 16:04:58,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3244 to 3244. [2022-12-14 16:04:58,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3244 states, 1840 states have (on average 1.2853260869565217) internal successors, (2365), 1976 states have internal predecessors, (2365), 1105 states have call successors, (1105), 278 states have call predecessors, (1105), 277 states have return successors, (1111), 1072 states have call predecessors, (1111), 1103 states have call successors, (1111) [2022-12-14 16:04:58,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3244 states to 3244 states and 4581 transitions. [2022-12-14 16:04:58,780 INFO L78 Accepts]: Start accepts. Automaton has 3244 states and 4581 transitions. Word has length 77 [2022-12-14 16:04:58,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:04:58,780 INFO L495 AbstractCegarLoop]: Abstraction has 3244 states and 4581 transitions. [2022-12-14 16:04:58,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-14 16:04:58,780 INFO L276 IsEmpty]: Start isEmpty. Operand 3244 states and 4581 transitions. [2022-12-14 16:04:58,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-12-14 16:04:58,781 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:04:58,781 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:04:58,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 16:04:58,781 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_net_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-12-14 16:04:58,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:04:58,782 INFO L85 PathProgramCache]: Analyzing trace with hash 665736834, now seen corresponding path program 1 times [2022-12-14 16:04:58,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:04:58,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881599307] [2022-12-14 16:04:58,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:04:58,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:04:58,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:04:58,977 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-12-14 16:04:58,977 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:04:58,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881599307] [2022-12-14 16:04:58,977 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881599307] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:04:58,977 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:04:58,977 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 16:04:58,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789517247] [2022-12-14 16:04:58,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:04:58,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 16:04:58,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:04:58,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 16:04:58,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 16:04:58,979 INFO L87 Difference]: Start difference. First operand 3244 states and 4581 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 16:04:59,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:04:59,820 INFO L93 Difference]: Finished difference Result 6464 states and 9133 transitions. [2022-12-14 16:04:59,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 16:04:59,821 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 86 [2022-12-14 16:04:59,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:04:59,832 INFO L225 Difference]: With dead ends: 6464 [2022-12-14 16:04:59,832 INFO L226 Difference]: Without dead ends: 3238 [2022-12-14 16:04:59,841 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 16:04:59,842 INFO L413 NwaCegarLoop]: 2556 mSDtfsCounter, 2825 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2825 SdHoareTripleChecker+Valid, 2556 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-14 16:04:59,842 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2825 Valid, 2556 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-14 16:04:59,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3238 states. [2022-12-14 16:04:59,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3238 to 3238. [2022-12-14 16:04:59,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3238 states, 1835 states have (on average 1.283923705722071) internal successors, (2356), 1970 states have internal predecessors, (2356), 1105 states have call successors, (1105), 278 states have call predecessors, (1105), 277 states have return successors, (1111), 1072 states have call predecessors, (1111), 1103 states have call successors, (1111) [2022-12-14 16:04:59,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3238 states to 3238 states and 4572 transitions. [2022-12-14 16:04:59,996 INFO L78 Accepts]: Start accepts. Automaton has 3238 states and 4572 transitions. Word has length 86 [2022-12-14 16:04:59,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:04:59,996 INFO L495 AbstractCegarLoop]: Abstraction has 3238 states and 4572 transitions. [2022-12-14 16:04:59,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 16:04:59,996 INFO L276 IsEmpty]: Start isEmpty. Operand 3238 states and 4572 transitions. [2022-12-14 16:04:59,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-12-14 16:04:59,997 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:04:59,997 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-14 16:04:59,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 16:04:59,997 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-12-14 16:04:59,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:04:59,998 INFO L85 PathProgramCache]: Analyzing trace with hash -1401389556, now seen corresponding path program 1 times [2022-12-14 16:04:59,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:04:59,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209647065] [2022-12-14 16:04:59,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:04:59,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:05:00,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:05:00,575 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-12-14 16:05:00,575 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:05:00,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209647065] [2022-12-14 16:05:00,575 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209647065] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:05:00,575 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:05:00,576 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 16:05:00,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387342955] [2022-12-14 16:05:00,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:05:00,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 16:05:00,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:05:00,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 16:05:00,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 16:05:00,577 INFO L87 Difference]: Start difference. First operand 3238 states and 4572 transitions. Second operand has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 16:05:04,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:05:04,178 INFO L93 Difference]: Finished difference Result 4324 states and 6076 transitions. [2022-12-14 16:05:04,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 16:05:04,178 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) Word has length 95 [2022-12-14 16:05:04,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:05:04,198 INFO L225 Difference]: With dead ends: 4324 [2022-12-14 16:05:04,199 INFO L226 Difference]: Without dead ends: 4322 [2022-12-14 16:05:04,201 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-12-14 16:05:04,202 INFO L413 NwaCegarLoop]: 3431 mSDtfsCounter, 2637 mSDsluCounter, 10543 mSDsCounter, 0 mSdLazyCounter, 2675 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2643 SdHoareTripleChecker+Valid, 13974 SdHoareTripleChecker+Invalid, 2677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-12-14 16:05:04,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2643 Valid, 13974 Invalid, 2677 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2675 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-12-14 16:05:04,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4322 states. [2022-12-14 16:05:04,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4322 to 4303. [2022-12-14 16:05:04,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4303 states, 2428 states have (on average 1.2821252059308073) internal successors, (3113), 2611 states have internal predecessors, (3113), 1461 states have call successors, (1461), 395 states have call predecessors, (1461), 393 states have return successors, (1481), 1412 states have call predecessors, (1481), 1459 states have call successors, (1481) [2022-12-14 16:05:04,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4303 states to 4303 states and 6055 transitions. [2022-12-14 16:05:04,425 INFO L78 Accepts]: Start accepts. Automaton has 4303 states and 6055 transitions. Word has length 95 [2022-12-14 16:05:04,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:05:04,425 INFO L495 AbstractCegarLoop]: Abstraction has 4303 states and 6055 transitions. [2022-12-14 16:05:04,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 16:05:04,425 INFO L276 IsEmpty]: Start isEmpty. Operand 4303 states and 6055 transitions. [2022-12-14 16:05:04,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-12-14 16:05:04,426 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:05:04,426 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 16:05:04,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 16:05:04,426 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-12-14 16:05:04,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:05:04,427 INFO L85 PathProgramCache]: Analyzing trace with hash -797369517, now seen corresponding path program 1 times [2022-12-14 16:05:04,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:05:04,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759239168] [2022-12-14 16:05:04,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:05:04,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:05:04,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:05:04,610 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 16:05:04,610 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:05:04,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759239168] [2022-12-14 16:05:04,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759239168] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:05:04,610 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:05:04,611 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 16:05:04,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168733450] [2022-12-14 16:05:04,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:05:04,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 16:05:04,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:05:04,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 16:05:04,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 16:05:04,612 INFO L87 Difference]: Start difference. First operand 4303 states and 6055 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-14 16:05:05,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:05:05,701 INFO L93 Difference]: Finished difference Result 4303 states and 6055 transitions. [2022-12-14 16:05:05,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 16:05:05,701 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 82 [2022-12-14 16:05:05,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:05:05,713 INFO L225 Difference]: With dead ends: 4303 [2022-12-14 16:05:05,713 INFO L226 Difference]: Without dead ends: 4301 [2022-12-14 16:05:05,714 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 16:05:05,715 INFO L413 NwaCegarLoop]: 2553 mSDtfsCounter, 2810 mSDsluCounter, 2549 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2812 SdHoareTripleChecker+Valid, 5102 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-14 16:05:05,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2812 Valid, 5102 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-14 16:05:05,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4301 states. [2022-12-14 16:05:05,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4301 to 4301. [2022-12-14 16:05:05,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4301 states, 2427 states have (on average 1.2818294190358468) internal successors, (3111), 2609 states have internal predecessors, (3111), 1461 states have call successors, (1461), 395 states have call predecessors, (1461), 393 states have return successors, (1481), 1412 states have call predecessors, (1481), 1459 states have call successors, (1481) [2022-12-14 16:05:05,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4301 states to 4301 states and 6053 transitions. [2022-12-14 16:05:05,934 INFO L78 Accepts]: Start accepts. Automaton has 4301 states and 6053 transitions. Word has length 82 [2022-12-14 16:05:05,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:05:05,934 INFO L495 AbstractCegarLoop]: Abstraction has 4301 states and 6053 transitions. [2022-12-14 16:05:05,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-14 16:05:05,934 INFO L276 IsEmpty]: Start isEmpty. Operand 4301 states and 6053 transitions. [2022-12-14 16:05:05,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-12-14 16:05:05,935 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:05:05,935 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-14 16:05:05,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 16:05:05,935 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-12-14 16:05:05,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:05:05,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1539397547, now seen corresponding path program 1 times [2022-12-14 16:05:05,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:05:05,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110916980] [2022-12-14 16:05:05,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:05:05,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:05:05,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:05:06,077 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-12-14 16:05:06,077 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:05:06,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110916980] [2022-12-14 16:05:06,077 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110916980] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:05:06,078 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:05:06,078 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 16:05:06,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344804381] [2022-12-14 16:05:06,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:05:06,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 16:05:06,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:05:06,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 16:05:06,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 16:05:06,078 INFO L87 Difference]: Start difference. First operand 4301 states and 6053 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 16:05:06,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:05:06,836 INFO L93 Difference]: Finished difference Result 8576 states and 12130 transitions. [2022-12-14 16:05:06,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 16:05:06,837 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 98 [2022-12-14 16:05:06,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:05:06,848 INFO L225 Difference]: With dead ends: 8576 [2022-12-14 16:05:06,848 INFO L226 Difference]: Without dead ends: 4293 [2022-12-14 16:05:06,857 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 16:05:06,858 INFO L413 NwaCegarLoop]: 2549 mSDtfsCounter, 2796 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2796 SdHoareTripleChecker+Valid, 2549 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 16:05:06,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2796 Valid, 2549 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 16:05:06,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4293 states. [2022-12-14 16:05:07,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4293 to 4293. [2022-12-14 16:05:07,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4293 states, 2420 states have (on average 1.2801652892561983) internal successors, (3098), 2601 states have internal predecessors, (3098), 1461 states have call successors, (1461), 395 states have call predecessors, (1461), 393 states have return successors, (1481), 1412 states have call predecessors, (1481), 1459 states have call successors, (1481) [2022-12-14 16:05:07,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4293 states to 4293 states and 6040 transitions. [2022-12-14 16:05:07,230 INFO L78 Accepts]: Start accepts. Automaton has 4293 states and 6040 transitions. Word has length 98 [2022-12-14 16:05:07,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:05:07,231 INFO L495 AbstractCegarLoop]: Abstraction has 4293 states and 6040 transitions. [2022-12-14 16:05:07,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 16:05:07,231 INFO L276 IsEmpty]: Start isEmpty. Operand 4293 states and 6040 transitions. [2022-12-14 16:05:07,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-12-14 16:05:07,232 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:05:07,233 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:05:07,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 16:05:07,233 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-12-14 16:05:07,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:05:07,233 INFO L85 PathProgramCache]: Analyzing trace with hash 638242677, now seen corresponding path program 1 times [2022-12-14 16:05:07,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:05:07,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171855929] [2022-12-14 16:05:07,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:05:07,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:05:07,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:05:07,613 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2022-12-14 16:05:07,613 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:05:07,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171855929] [2022-12-14 16:05:07,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171855929] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:05:07,613 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:05:07,613 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 16:05:07,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929669403] [2022-12-14 16:05:07,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:05:07,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 16:05:07,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:05:07,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 16:05:07,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 16:05:07,615 INFO L87 Difference]: Start difference. First operand 4293 states and 6040 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 16:05:09,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:05:09,050 INFO L93 Difference]: Finished difference Result 4423 states and 6168 transitions. [2022-12-14 16:05:09,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 16:05:09,051 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 94 [2022-12-14 16:05:09,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:05:09,061 INFO L225 Difference]: With dead ends: 4423 [2022-12-14 16:05:09,061 INFO L226 Difference]: Without dead ends: 4421 [2022-12-14 16:05:09,062 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 16:05:09,062 INFO L413 NwaCegarLoop]: 2590 mSDtfsCounter, 2750 mSDsluCounter, 5276 mSDsCounter, 0 mSdLazyCounter, 864 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2752 SdHoareTripleChecker+Valid, 7866 SdHoareTripleChecker+Invalid, 866 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 864 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-12-14 16:05:09,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2752 Valid, 7866 Invalid, 866 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 864 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-12-14 16:05:09,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4421 states. [2022-12-14 16:05:09,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4421 to 4419. [2022-12-14 16:05:09,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4419 states, 2487 states have (on average 1.2738238841978287) internal successors, (3168), 2669 states have internal predecessors, (3168), 1488 states have call successors, (1488), 427 states have call predecessors, (1488), 425 states have return successors, (1508), 1438 states have call predecessors, (1508), 1486 states have call successors, (1508) [2022-12-14 16:05:09,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4419 states to 4419 states and 6164 transitions. [2022-12-14 16:05:09,303 INFO L78 Accepts]: Start accepts. Automaton has 4419 states and 6164 transitions. Word has length 94 [2022-12-14 16:05:09,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:05:09,303 INFO L495 AbstractCegarLoop]: Abstraction has 4419 states and 6164 transitions. [2022-12-14 16:05:09,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 16:05:09,304 INFO L276 IsEmpty]: Start isEmpty. Operand 4419 states and 6164 transitions. [2022-12-14 16:05:09,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-12-14 16:05:09,305 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:05:09,305 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:05:09,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 16:05:09,305 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-12-14 16:05:09,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:05:09,305 INFO L85 PathProgramCache]: Analyzing trace with hash -1898356800, now seen corresponding path program 1 times [2022-12-14 16:05:09,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:05:09,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205323457] [2022-12-14 16:05:09,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:05:09,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:05:09,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:05:09,602 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2022-12-14 16:05:09,602 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:05:09,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205323457] [2022-12-14 16:05:09,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205323457] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:05:09,602 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:05:09,602 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 16:05:09,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240643559] [2022-12-14 16:05:09,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:05:09,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 16:05:09,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:05:09,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 16:05:09,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 16:05:09,603 INFO L87 Difference]: Start difference. First operand 4419 states and 6164 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 16:05:11,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:05:11,223 INFO L93 Difference]: Finished difference Result 5290 states and 7191 transitions. [2022-12-14 16:05:11,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 16:05:11,224 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 94 [2022-12-14 16:05:11,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:05:11,236 INFO L225 Difference]: With dead ends: 5290 [2022-12-14 16:05:11,236 INFO L226 Difference]: Without dead ends: 5288 [2022-12-14 16:05:11,238 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 16:05:11,238 INFO L413 NwaCegarLoop]: 2718 mSDtfsCounter, 1831 mSDsluCounter, 6780 mSDsCounter, 0 mSdLazyCounter, 1024 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1833 SdHoareTripleChecker+Valid, 9498 SdHoareTripleChecker+Invalid, 1027 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1024 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-12-14 16:05:11,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1833 Valid, 9498 Invalid, 1027 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1024 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-14 16:05:11,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5288 states. [2022-12-14 16:05:11,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5288 to 5251. [2022-12-14 16:05:11,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5251 states, 2927 states have (on average 1.2576016399043388) internal successors, (3681), 3128 states have internal predecessors, (3681), 1731 states have call successors, (1731), 582 states have call predecessors, (1731), 574 states have return successors, (1753), 1662 states have call predecessors, (1753), 1729 states have call successors, (1753) [2022-12-14 16:05:11,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5251 states to 5251 states and 7165 transitions. [2022-12-14 16:05:11,676 INFO L78 Accepts]: Start accepts. Automaton has 5251 states and 7165 transitions. Word has length 94 [2022-12-14 16:05:11,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:05:11,677 INFO L495 AbstractCegarLoop]: Abstraction has 5251 states and 7165 transitions. [2022-12-14 16:05:11,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 16:05:11,677 INFO L276 IsEmpty]: Start isEmpty. Operand 5251 states and 7165 transitions. [2022-12-14 16:05:11,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-12-14 16:05:11,678 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:05:11,678 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 16:05:11,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 16:05:11,678 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-12-14 16:05:11,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:05:11,678 INFO L85 PathProgramCache]: Analyzing trace with hash -1767785802, now seen corresponding path program 1 times [2022-12-14 16:05:11,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:05:11,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483870214] [2022-12-14 16:05:11,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:05:11,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:05:11,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:05:11,915 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 16:05:11,915 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:05:11,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483870214] [2022-12-14 16:05:11,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483870214] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:05:11,915 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:05:11,915 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 16:05:11,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071244182] [2022-12-14 16:05:11,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:05:11,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 16:05:11,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:05:11,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 16:05:11,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 16:05:11,917 INFO L87 Difference]: Start difference. First operand 5251 states and 7165 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-14 16:05:13,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:05:13,144 INFO L93 Difference]: Finished difference Result 5251 states and 7165 transitions. [2022-12-14 16:05:13,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 16:05:13,144 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 84 [2022-12-14 16:05:13,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:05:13,156 INFO L225 Difference]: With dead ends: 5251 [2022-12-14 16:05:13,156 INFO L226 Difference]: Without dead ends: 5249 [2022-12-14 16:05:13,158 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 16:05:13,158 INFO L413 NwaCegarLoop]: 2546 mSDtfsCounter, 2797 mSDsluCounter, 2546 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2799 SdHoareTripleChecker+Valid, 5092 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-14 16:05:13,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2799 Valid, 5092 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-14 16:05:13,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5249 states. [2022-12-14 16:05:13,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5249 to 5249. [2022-12-14 16:05:13,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5249 states, 2926 states have (on average 1.2570061517429938) internal successors, (3678), 3126 states have internal predecessors, (3678), 1731 states have call successors, (1731), 582 states have call predecessors, (1731), 574 states have return successors, (1753), 1662 states have call predecessors, (1753), 1729 states have call successors, (1753) [2022-12-14 16:05:13,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5249 states to 5249 states and 7162 transitions. [2022-12-14 16:05:13,627 INFO L78 Accepts]: Start accepts. Automaton has 5249 states and 7162 transitions. Word has length 84 [2022-12-14 16:05:13,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:05:13,627 INFO L495 AbstractCegarLoop]: Abstraction has 5249 states and 7162 transitions. [2022-12-14 16:05:13,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-14 16:05:13,627 INFO L276 IsEmpty]: Start isEmpty. Operand 5249 states and 7162 transitions. [2022-12-14 16:05:13,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-12-14 16:05:13,628 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:05:13,629 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 3, 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] [2022-12-14 16:05:13,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 16:05:13,629 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_usb_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-12-14 16:05:13,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:05:13,629 INFO L85 PathProgramCache]: Analyzing trace with hash -2017258853, now seen corresponding path program 1 times [2022-12-14 16:05:13,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:05:13,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565967461] [2022-12-14 16:05:13,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:05:13,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:05:13,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:05:13,880 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-12-14 16:05:13,880 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:05:13,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565967461] [2022-12-14 16:05:13,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565967461] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 16:05:13,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2052919666] [2022-12-14 16:05:13,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:05:13,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 16:05:13,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b900d2-195e-46e1-8203-e798aa45a838/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 16:05:13,881 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b900d2-195e-46e1-8203-e798aa45a838/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 16:05:13,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b900d2-195e-46e1-8203-e798aa45a838/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 16:05:14,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:05:14,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 2335 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 16:05:14,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:05:14,520 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-12-14 16:05:14,521 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 16:05:14,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2052919666] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:05:14,521 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 16:05:14,521 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2022-12-14 16:05:14,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993546041] [2022-12-14 16:05:14,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:05:14,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 16:05:14,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:05:14,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 16:05:14,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-12-14 16:05:14,523 INFO L87 Difference]: Start difference. First operand 5249 states and 7162 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-14 16:05:15,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:05:15,523 INFO L93 Difference]: Finished difference Result 10474 states and 14295 transitions. [2022-12-14 16:05:15,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 16:05:15,524 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 94 [2022-12-14 16:05:15,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:05:15,537 INFO L225 Difference]: With dead ends: 10474 [2022-12-14 16:05:15,537 INFO L226 Difference]: Without dead ends: 5243 [2022-12-14 16:05:15,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-12-14 16:05:15,551 INFO L413 NwaCegarLoop]: 2542 mSDtfsCounter, 2802 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2802 SdHoareTripleChecker+Valid, 2542 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-14 16:05:15,551 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2802 Valid, 2542 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-14 16:05:15,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5243 states. [2022-12-14 16:05:15,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5243 to 5243. [2022-12-14 16:05:15,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5243 states, 2921 states have (on average 1.2560766860664156) internal successors, (3669), 3120 states have internal predecessors, (3669), 1731 states have call successors, (1731), 582 states have call predecessors, (1731), 574 states have return successors, (1753), 1662 states have call predecessors, (1753), 1729 states have call successors, (1753) [2022-12-14 16:05:15,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5243 states to 5243 states and 7153 transitions. [2022-12-14 16:05:15,916 INFO L78 Accepts]: Start accepts. Automaton has 5243 states and 7153 transitions. Word has length 94 [2022-12-14 16:05:15,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:05:15,917 INFO L495 AbstractCegarLoop]: Abstraction has 5243 states and 7153 transitions. [2022-12-14 16:05:15,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-14 16:05:15,917 INFO L276 IsEmpty]: Start isEmpty. Operand 5243 states and 7153 transitions. [2022-12-14 16:05:15,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-12-14 16:05:15,918 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:05:15,918 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 16:05:15,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b900d2-195e-46e1-8203-e798aa45a838/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 16:05:16,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b900d2-195e-46e1-8203-e798aa45a838/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-12-14 16:05:16,120 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-12-14 16:05:16,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:05:16,121 INFO L85 PathProgramCache]: Analyzing trace with hash -778881868, now seen corresponding path program 1 times [2022-12-14 16:05:16,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:05:16,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30813291] [2022-12-14 16:05:16,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:05:16,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:05:16,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:05:16,337 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 16:05:16,337 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:05:16,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30813291] [2022-12-14 16:05:16,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30813291] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:05:16,337 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:05:16,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 16:05:16,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212155770] [2022-12-14 16:05:16,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:05:16,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 16:05:16,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:05:16,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 16:05:16,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 16:05:16,339 INFO L87 Difference]: Start difference. First operand 5243 states and 7153 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-14 16:05:17,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:05:17,510 INFO L93 Difference]: Finished difference Result 5243 states and 7153 transitions. [2022-12-14 16:05:17,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 16:05:17,510 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 89 [2022-12-14 16:05:17,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:05:17,524 INFO L225 Difference]: With dead ends: 5243 [2022-12-14 16:05:17,524 INFO L226 Difference]: Without dead ends: 5241 [2022-12-14 16:05:17,526 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 16:05:17,526 INFO L413 NwaCegarLoop]: 2539 mSDtfsCounter, 2791 mSDsluCounter, 2539 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2793 SdHoareTripleChecker+Valid, 5078 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-14 16:05:17,527 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2793 Valid, 5078 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-14 16:05:17,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5241 states. [2022-12-14 16:05:17,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5241 to 5241. [2022-12-14 16:05:17,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5241 states, 2920 states have (on average 1.2554794520547945) internal successors, (3666), 3118 states have internal predecessors, (3666), 1731 states have call successors, (1731), 582 states have call predecessors, (1731), 574 states have return successors, (1753), 1662 states have call predecessors, (1753), 1729 states have call successors, (1753) [2022-12-14 16:05:17,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5241 states to 5241 states and 7150 transitions. [2022-12-14 16:05:17,896 INFO L78 Accepts]: Start accepts. Automaton has 5241 states and 7150 transitions. Word has length 89 [2022-12-14 16:05:17,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:05:17,896 INFO L495 AbstractCegarLoop]: Abstraction has 5241 states and 7150 transitions. [2022-12-14 16:05:17,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-14 16:05:17,897 INFO L276 IsEmpty]: Start isEmpty. Operand 5241 states and 7150 transitions. [2022-12-14 16:05:17,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-12-14 16:05:17,898 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:05:17,898 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 16:05:17,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-14 16:05:17,898 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-12-14 16:05:17,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:05:17,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1472321724, now seen corresponding path program 1 times [2022-12-14 16:05:17,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:05:17,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356873178] [2022-12-14 16:05:17,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:05:17,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:05:17,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:05:18,059 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 16:05:18,059 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:05:18,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356873178] [2022-12-14 16:05:18,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356873178] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:05:18,059 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:05:18,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 16:05:18,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229916884] [2022-12-14 16:05:18,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:05:18,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 16:05:18,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:05:18,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 16:05:18,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 16:05:18,060 INFO L87 Difference]: Start difference. First operand 5241 states and 7150 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 16:05:19,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:05:19,046 INFO L93 Difference]: Finished difference Result 5241 states and 7150 transitions. [2022-12-14 16:05:19,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 16:05:19,047 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 94 [2022-12-14 16:05:19,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:05:19,057 INFO L225 Difference]: With dead ends: 5241 [2022-12-14 16:05:19,057 INFO L226 Difference]: Without dead ends: 5239 [2022-12-14 16:05:19,058 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 16:05:19,059 INFO L413 NwaCegarLoop]: 2537 mSDtfsCounter, 2788 mSDsluCounter, 2537 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2790 SdHoareTripleChecker+Valid, 5074 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-14 16:05:19,059 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2790 Valid, 5074 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-14 16:05:19,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5239 states. [2022-12-14 16:05:19,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5239 to 5239. [2022-12-14 16:05:19,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5239 states, 2919 states have (on average 1.2548818088386433) internal successors, (3663), 3116 states have internal predecessors, (3663), 1731 states have call successors, (1731), 582 states have call predecessors, (1731), 574 states have return successors, (1753), 1662 states have call predecessors, (1753), 1729 states have call successors, (1753) [2022-12-14 16:05:19,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5239 states to 5239 states and 7147 transitions. [2022-12-14 16:05:19,419 INFO L78 Accepts]: Start accepts. Automaton has 5239 states and 7147 transitions. Word has length 94 [2022-12-14 16:05:19,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:05:19,419 INFO L495 AbstractCegarLoop]: Abstraction has 5239 states and 7147 transitions. [2022-12-14 16:05:19,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 16:05:19,420 INFO L276 IsEmpty]: Start isEmpty. Operand 5239 states and 7147 transitions. [2022-12-14 16:05:19,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-12-14 16:05:19,421 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:05:19,421 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 16:05:19,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-14 16:05:19,421 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-12-14 16:05:19,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:05:19,421 INFO L85 PathProgramCache]: Analyzing trace with hash -539350305, now seen corresponding path program 1 times [2022-12-14 16:05:19,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:05:19,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563637365] [2022-12-14 16:05:19,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:05:19,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:05:19,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:05:19,632 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 16:05:19,633 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:05:19,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563637365] [2022-12-14 16:05:19,633 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563637365] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:05:19,633 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:05:19,633 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 16:05:19,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150093307] [2022-12-14 16:05:19,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:05:19,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 16:05:19,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:05:19,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 16:05:19,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 16:05:19,635 INFO L87 Difference]: Start difference. First operand 5239 states and 7147 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-14 16:05:21,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:05:21,031 INFO L93 Difference]: Finished difference Result 5239 states and 7147 transitions. [2022-12-14 16:05:21,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 16:05:21,032 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 99 [2022-12-14 16:05:21,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:05:21,044 INFO L225 Difference]: With dead ends: 5239 [2022-12-14 16:05:21,044 INFO L226 Difference]: Without dead ends: 5237 [2022-12-14 16:05:21,046 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 16:05:21,046 INFO L413 NwaCegarLoop]: 2535 mSDtfsCounter, 2785 mSDsluCounter, 2535 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2787 SdHoareTripleChecker+Valid, 5070 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-14 16:05:21,046 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2787 Valid, 5070 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-14 16:05:21,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5237 states. [2022-12-14 16:05:21,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5237 to 5237. [2022-12-14 16:05:21,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5237 states, 2918 states have (on average 1.2542837559972584) internal successors, (3660), 3114 states have internal predecessors, (3660), 1731 states have call successors, (1731), 582 states have call predecessors, (1731), 574 states have return successors, (1753), 1662 states have call predecessors, (1753), 1729 states have call successors, (1753) [2022-12-14 16:05:21,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5237 states to 5237 states and 7144 transitions. [2022-12-14 16:05:21,429 INFO L78 Accepts]: Start accepts. Automaton has 5237 states and 7144 transitions. Word has length 99 [2022-12-14 16:05:21,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:05:21,429 INFO L495 AbstractCegarLoop]: Abstraction has 5237 states and 7144 transitions. [2022-12-14 16:05:21,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-14 16:05:21,429 INFO L276 IsEmpty]: Start isEmpty. Operand 5237 states and 7144 transitions. [2022-12-14 16:05:21,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-12-14 16:05:21,430 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:05:21,431 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 16:05:21,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-14 16:05:21,431 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-12-14 16:05:21,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:05:21,431 INFO L85 PathProgramCache]: Analyzing trace with hash -311290947, now seen corresponding path program 1 times [2022-12-14 16:05:21,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:05:21,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910268457] [2022-12-14 16:05:21,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:05:21,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:05:21,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:05:21,574 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 16:05:21,574 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:05:21,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910268457] [2022-12-14 16:05:21,575 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910268457] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:05:21,575 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:05:21,575 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 16:05:21,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706511182] [2022-12-14 16:05:21,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:05:21,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 16:05:21,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:05:21,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 16:05:21,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 16:05:21,576 INFO L87 Difference]: Start difference. First operand 5237 states and 7144 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-14 16:05:22,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:05:22,840 INFO L93 Difference]: Finished difference Result 5237 states and 7144 transitions. [2022-12-14 16:05:22,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 16:05:22,841 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 104 [2022-12-14 16:05:22,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:05:22,852 INFO L225 Difference]: With dead ends: 5237 [2022-12-14 16:05:22,852 INFO L226 Difference]: Without dead ends: 5235 [2022-12-14 16:05:22,854 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 16:05:22,855 INFO L413 NwaCegarLoop]: 2533 mSDtfsCounter, 2782 mSDsluCounter, 2533 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2784 SdHoareTripleChecker+Valid, 5066 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 16:05:22,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2784 Valid, 5066 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 16:05:22,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5235 states. [2022-12-14 16:05:23,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5235 to 5235. [2022-12-14 16:05:23,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5235 states, 2917 states have (on average 1.253685293109359) internal successors, (3657), 3112 states have internal predecessors, (3657), 1731 states have call successors, (1731), 582 states have call predecessors, (1731), 574 states have return successors, (1753), 1662 states have call predecessors, (1753), 1729 states have call successors, (1753) [2022-12-14 16:05:23,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5235 states to 5235 states and 7141 transitions. [2022-12-14 16:05:23,256 INFO L78 Accepts]: Start accepts. Automaton has 5235 states and 7141 transitions. Word has length 104 [2022-12-14 16:05:23,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:05:23,256 INFO L495 AbstractCegarLoop]: Abstraction has 5235 states and 7141 transitions. [2022-12-14 16:05:23,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-14 16:05:23,256 INFO L276 IsEmpty]: Start isEmpty. Operand 5235 states and 7141 transitions. [2022-12-14 16:05:23,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-12-14 16:05:23,257 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:05:23,258 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:05:23,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-14 16:05:23,258 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-12-14 16:05:23,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:05:23,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1126638556, now seen corresponding path program 1 times [2022-12-14 16:05:23,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:05:23,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825928442] [2022-12-14 16:05:23,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:05:23,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:05:23,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:05:23,459 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-12-14 16:05:23,459 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:05:23,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825928442] [2022-12-14 16:05:23,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825928442] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:05:23,460 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:05:23,460 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 16:05:23,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863363673] [2022-12-14 16:05:23,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:05:23,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 16:05:23,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:05:23,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 16:05:23,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 16:05:23,461 INFO L87 Difference]: Start difference. First operand 5235 states and 7141 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (27), 3 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-14 16:05:25,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:05:25,165 INFO L93 Difference]: Finished difference Result 5237 states and 7142 transitions. [2022-12-14 16:05:25,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 16:05:25,166 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (27), 3 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 116 [2022-12-14 16:05:25,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:05:25,177 INFO L225 Difference]: With dead ends: 5237 [2022-12-14 16:05:25,177 INFO L226 Difference]: Without dead ends: 5235 [2022-12-14 16:05:25,179 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-14 16:05:25,179 INFO L413 NwaCegarLoop]: 2566 mSDtfsCounter, 105 mSDsluCounter, 7624 mSDsCounter, 0 mSdLazyCounter, 1139 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 10190 SdHoareTripleChecker+Invalid, 1140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-12-14 16:05:25,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 10190 Invalid, 1140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1139 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-14 16:05:25,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5235 states. [2022-12-14 16:05:25,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5235 to 5235. [2022-12-14 16:05:25,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5235 states, 2917 states have (on average 1.2529996571820363) internal successors, (3655), 3112 states have internal predecessors, (3655), 1731 states have call successors, (1731), 582 states have call predecessors, (1731), 574 states have return successors, (1753), 1662 states have call predecessors, (1753), 1729 states have call successors, (1753) [2022-12-14 16:05:25,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5235 states to 5235 states and 7139 transitions. [2022-12-14 16:05:25,579 INFO L78 Accepts]: Start accepts. Automaton has 5235 states and 7139 transitions. Word has length 116 [2022-12-14 16:05:25,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:05:25,579 INFO L495 AbstractCegarLoop]: Abstraction has 5235 states and 7139 transitions. [2022-12-14 16:05:25,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (27), 3 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-14 16:05:25,580 INFO L276 IsEmpty]: Start isEmpty. Operand 5235 states and 7139 transitions. [2022-12-14 16:05:25,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-12-14 16:05:25,581 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:05:25,581 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 16:05:25,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-14 16:05:25,582 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-12-14 16:05:25,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:05:25,582 INFO L85 PathProgramCache]: Analyzing trace with hash 1021165837, now seen corresponding path program 1 times [2022-12-14 16:05:25,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:05:25,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603615021] [2022-12-14 16:05:25,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:05:25,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:05:25,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:05:25,739 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 16:05:25,740 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:05:25,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603615021] [2022-12-14 16:05:25,740 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603615021] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:05:25,740 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:05:25,740 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 16:05:25,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106963265] [2022-12-14 16:05:25,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:05:25,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 16:05:25,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:05:25,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 16:05:25,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 16:05:25,741 INFO L87 Difference]: Start difference. First operand 5235 states and 7139 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-14 16:05:26,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:05:26,953 INFO L93 Difference]: Finished difference Result 5235 states and 7139 transitions. [2022-12-14 16:05:26,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 16:05:26,954 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 109 [2022-12-14 16:05:26,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:05:26,965 INFO L225 Difference]: With dead ends: 5235 [2022-12-14 16:05:26,965 INFO L226 Difference]: Without dead ends: 5233 [2022-12-14 16:05:26,967 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 16:05:26,968 INFO L413 NwaCegarLoop]: 2531 mSDtfsCounter, 2779 mSDsluCounter, 2531 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2781 SdHoareTripleChecker+Valid, 5062 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-14 16:05:26,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2781 Valid, 5062 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-14 16:05:26,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5233 states. [2022-12-14 16:05:27,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5233 to 5233. [2022-12-14 16:05:27,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5233 states, 2916 states have (on average 1.252400548696845) internal successors, (3652), 3110 states have internal predecessors, (3652), 1731 states have call successors, (1731), 582 states have call predecessors, (1731), 574 states have return successors, (1753), 1662 states have call predecessors, (1753), 1729 states have call successors, (1753) [2022-12-14 16:05:27,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5233 states to 5233 states and 7136 transitions. [2022-12-14 16:05:27,381 INFO L78 Accepts]: Start accepts. Automaton has 5233 states and 7136 transitions. Word has length 109 [2022-12-14 16:05:27,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:05:27,381 INFO L495 AbstractCegarLoop]: Abstraction has 5233 states and 7136 transitions. [2022-12-14 16:05:27,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-14 16:05:27,381 INFO L276 IsEmpty]: Start isEmpty. Operand 5233 states and 7136 transitions. [2022-12-14 16:05:27,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-12-14 16:05:27,383 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:05:27,383 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 16:05:27,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-14 16:05:27,383 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-12-14 16:05:27,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:05:27,383 INFO L85 PathProgramCache]: Analyzing trace with hash 452726115, now seen corresponding path program 1 times [2022-12-14 16:05:27,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:05:27,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487286454] [2022-12-14 16:05:27,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:05:27,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:05:27,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:05:27,561 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 16:05:27,561 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:05:27,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487286454] [2022-12-14 16:05:27,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487286454] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:05:27,561 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:05:27,561 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 16:05:27,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841640955] [2022-12-14 16:05:27,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:05:27,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 16:05:27,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:05:27,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 16:05:27,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 16:05:27,562 INFO L87 Difference]: Start difference. First operand 5233 states and 7136 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-14 16:05:28,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:05:28,960 INFO L93 Difference]: Finished difference Result 5233 states and 7136 transitions. [2022-12-14 16:05:28,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 16:05:28,960 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 114 [2022-12-14 16:05:28,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:05:28,972 INFO L225 Difference]: With dead ends: 5233 [2022-12-14 16:05:28,972 INFO L226 Difference]: Without dead ends: 5231 [2022-12-14 16:05:28,974 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 16:05:28,974 INFO L413 NwaCegarLoop]: 2529 mSDtfsCounter, 2776 mSDsluCounter, 2529 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2778 SdHoareTripleChecker+Valid, 5058 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 16:05:28,974 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2778 Valid, 5058 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 16:05:28,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5231 states. [2022-12-14 16:05:29,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5231 to 5231. [2022-12-14 16:05:29,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5231 states, 2915 states have (on average 1.2518010291595196) internal successors, (3649), 3108 states have internal predecessors, (3649), 1731 states have call successors, (1731), 582 states have call predecessors, (1731), 574 states have return successors, (1753), 1662 states have call predecessors, (1753), 1729 states have call successors, (1753) [2022-12-14 16:05:29,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5231 states to 5231 states and 7133 transitions. [2022-12-14 16:05:29,431 INFO L78 Accepts]: Start accepts. Automaton has 5231 states and 7133 transitions. Word has length 114 [2022-12-14 16:05:29,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:05:29,432 INFO L495 AbstractCegarLoop]: Abstraction has 5231 states and 7133 transitions. [2022-12-14 16:05:29,432 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-14 16:05:29,432 INFO L276 IsEmpty]: Start isEmpty. Operand 5231 states and 7133 transitions. [2022-12-14 16:05:29,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-12-14 16:05:29,433 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:05:29,433 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:05:29,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-12-14 16:05:29,434 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-12-14 16:05:29,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:05:29,434 INFO L85 PathProgramCache]: Analyzing trace with hash -809803875, now seen corresponding path program 1 times [2022-12-14 16:05:29,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:05:29,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065973632] [2022-12-14 16:05:29,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:05:29,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:05:29,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:05:29,753 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-12-14 16:05:29,754 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:05:29,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065973632] [2022-12-14 16:05:29,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065973632] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:05:29,754 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:05:29,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 16:05:29,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180402213] [2022-12-14 16:05:29,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:05:29,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 16:05:29,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:05:29,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 16:05:29,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 16:05:29,755 INFO L87 Difference]: Start difference. First operand 5231 states and 7133 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-12-14 16:05:31,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:05:31,687 INFO L93 Difference]: Finished difference Result 5254 states and 7148 transitions. [2022-12-14 16:05:31,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 16:05:31,688 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 131 [2022-12-14 16:05:31,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:05:31,700 INFO L225 Difference]: With dead ends: 5254 [2022-12-14 16:05:31,700 INFO L226 Difference]: Without dead ends: 5252 [2022-12-14 16:05:31,702 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-14 16:05:31,702 INFO L413 NwaCegarLoop]: 2903 mSDtfsCounter, 1451 mSDsluCounter, 7417 mSDsCounter, 0 mSdLazyCounter, 1273 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1452 SdHoareTripleChecker+Valid, 10320 SdHoareTripleChecker+Invalid, 1274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-12-14 16:05:31,703 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1452 Valid, 10320 Invalid, 1274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1273 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-14 16:05:31,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5252 states. [2022-12-14 16:05:32,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5252 to 5231. [2022-12-14 16:05:32,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5231 states, 2915 states have (on average 1.2507718696397943) internal successors, (3646), 3108 states have internal predecessors, (3646), 1731 states have call successors, (1731), 582 states have call predecessors, (1731), 574 states have return successors, (1753), 1662 states have call predecessors, (1753), 1729 states have call successors, (1753) [2022-12-14 16:05:32,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5231 states to 5231 states and 7130 transitions. [2022-12-14 16:05:32,166 INFO L78 Accepts]: Start accepts. Automaton has 5231 states and 7130 transitions. Word has length 131 [2022-12-14 16:05:32,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:05:32,166 INFO L495 AbstractCegarLoop]: Abstraction has 5231 states and 7130 transitions. [2022-12-14 16:05:32,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-12-14 16:05:32,167 INFO L276 IsEmpty]: Start isEmpty. Operand 5231 states and 7130 transitions. [2022-12-14 16:05:32,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-12-14 16:05:32,168 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:05:32,168 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 16:05:32,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-12-14 16:05:32,168 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-12-14 16:05:32,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:05:32,169 INFO L85 PathProgramCache]: Analyzing trace with hash -77476931, now seen corresponding path program 1 times [2022-12-14 16:05:32,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:05:32,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45569755] [2022-12-14 16:05:32,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:05:32,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:05:32,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:05:32,487 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 16:05:32,487 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:05:32,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45569755] [2022-12-14 16:05:32,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45569755] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:05:32,487 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:05:32,487 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 16:05:32,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080347144] [2022-12-14 16:05:32,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:05:32,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 16:05:32,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:05:32,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 16:05:32,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 16:05:32,489 INFO L87 Difference]: Start difference. First operand 5231 states and 7130 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-14 16:05:33,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:05:33,868 INFO L93 Difference]: Finished difference Result 5231 states and 7130 transitions. [2022-12-14 16:05:33,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 16:05:33,868 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 119 [2022-12-14 16:05:33,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:05:33,881 INFO L225 Difference]: With dead ends: 5231 [2022-12-14 16:05:33,881 INFO L226 Difference]: Without dead ends: 5229 [2022-12-14 16:05:33,884 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 16:05:33,884 INFO L413 NwaCegarLoop]: 2527 mSDtfsCounter, 2773 mSDsluCounter, 2527 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2775 SdHoareTripleChecker+Valid, 5054 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-14 16:05:33,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2775 Valid, 5054 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-14 16:05:33,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5229 states. [2022-12-14 16:05:34,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5229 to 5229. [2022-12-14 16:05:34,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5229 states, 2914 states have (on average 1.2501715854495539) internal successors, (3643), 3106 states have internal predecessors, (3643), 1731 states have call successors, (1731), 582 states have call predecessors, (1731), 574 states have return successors, (1753), 1662 states have call predecessors, (1753), 1729 states have call successors, (1753) [2022-12-14 16:05:34,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5229 states to 5229 states and 7127 transitions. [2022-12-14 16:05:34,392 INFO L78 Accepts]: Start accepts. Automaton has 5229 states and 7127 transitions. Word has length 119 [2022-12-14 16:05:34,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:05:34,392 INFO L495 AbstractCegarLoop]: Abstraction has 5229 states and 7127 transitions. [2022-12-14 16:05:34,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-14 16:05:34,392 INFO L276 IsEmpty]: Start isEmpty. Operand 5229 states and 7127 transitions. [2022-12-14 16:05:34,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-12-14 16:05:34,393 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:05:34,393 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 16:05:34,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-12-14 16:05:34,394 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-12-14 16:05:34,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:05:34,394 INFO L85 PathProgramCache]: Analyzing trace with hash -772981461, now seen corresponding path program 1 times [2022-12-14 16:05:34,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:05:34,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278524443] [2022-12-14 16:05:34,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:05:34,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:05:34,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:05:34,550 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 16:05:34,550 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:05:34,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278524443] [2022-12-14 16:05:34,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278524443] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:05:34,551 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:05:34,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 16:05:34,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581386355] [2022-12-14 16:05:34,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:05:34,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 16:05:34,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:05:34,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 16:05:34,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 16:05:34,552 INFO L87 Difference]: Start difference. First operand 5229 states and 7127 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-12-14 16:05:35,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:05:35,972 INFO L93 Difference]: Finished difference Result 5229 states and 7127 transitions. [2022-12-14 16:05:35,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 16:05:35,972 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 124 [2022-12-14 16:05:35,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:05:35,984 INFO L225 Difference]: With dead ends: 5229 [2022-12-14 16:05:35,984 INFO L226 Difference]: Without dead ends: 5227 [2022-12-14 16:05:35,986 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 16:05:35,986 INFO L413 NwaCegarLoop]: 2525 mSDtfsCounter, 2770 mSDsluCounter, 2525 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2772 SdHoareTripleChecker+Valid, 5050 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 16:05:35,986 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2772 Valid, 5050 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 16:05:35,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5227 states. [2022-12-14 16:05:36,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5227 to 5227. [2022-12-14 16:05:36,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5227 states, 2913 states have (on average 1.249570889117748) internal successors, (3640), 3104 states have internal predecessors, (3640), 1731 states have call successors, (1731), 582 states have call predecessors, (1731), 574 states have return successors, (1753), 1662 states have call predecessors, (1753), 1729 states have call successors, (1753) [2022-12-14 16:05:36,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5227 states to 5227 states and 7124 transitions. [2022-12-14 16:05:36,496 INFO L78 Accepts]: Start accepts. Automaton has 5227 states and 7124 transitions. Word has length 124 [2022-12-14 16:05:36,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:05:36,496 INFO L495 AbstractCegarLoop]: Abstraction has 5227 states and 7124 transitions. [2022-12-14 16:05:36,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-12-14 16:05:36,497 INFO L276 IsEmpty]: Start isEmpty. Operand 5227 states and 7124 transitions. [2022-12-14 16:05:36,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-12-14 16:05:36,498 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:05:36,498 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 16:05:36,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-12-14 16:05:36,498 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-12-14 16:05:36,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:05:36,499 INFO L85 PathProgramCache]: Analyzing trace with hash -1311731609, now seen corresponding path program 1 times [2022-12-14 16:05:36,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:05:36,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585729415] [2022-12-14 16:05:36,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:05:36,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:05:36,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:05:36,665 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 16:05:36,665 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:05:36,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585729415] [2022-12-14 16:05:36,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585729415] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:05:36,666 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:05:36,666 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 16:05:36,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436884557] [2022-12-14 16:05:36,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:05:36,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 16:05:36,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:05:36,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 16:05:36,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 16:05:36,667 INFO L87 Difference]: Start difference. First operand 5227 states and 7124 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-12-14 16:05:38,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:05:38,136 INFO L93 Difference]: Finished difference Result 5227 states and 7124 transitions. [2022-12-14 16:05:38,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 16:05:38,137 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 129 [2022-12-14 16:05:38,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:05:38,149 INFO L225 Difference]: With dead ends: 5227 [2022-12-14 16:05:38,149 INFO L226 Difference]: Without dead ends: 5225 [2022-12-14 16:05:38,151 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 16:05:38,151 INFO L413 NwaCegarLoop]: 2523 mSDtfsCounter, 2767 mSDsluCounter, 2523 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2769 SdHoareTripleChecker+Valid, 5046 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 16:05:38,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2769 Valid, 5046 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 16:05:38,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5225 states. [2022-12-14 16:05:38,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5225 to 5225. [2022-12-14 16:05:38,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5225 states, 2912 states have (on average 1.2489697802197801) internal successors, (3637), 3102 states have internal predecessors, (3637), 1731 states have call successors, (1731), 582 states have call predecessors, (1731), 574 states have return successors, (1753), 1662 states have call predecessors, (1753), 1729 states have call successors, (1753) [2022-12-14 16:05:39,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5225 states to 5225 states and 7121 transitions. [2022-12-14 16:05:39,010 INFO L78 Accepts]: Start accepts. Automaton has 5225 states and 7121 transitions. Word has length 129 [2022-12-14 16:05:39,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:05:39,011 INFO L495 AbstractCegarLoop]: Abstraction has 5225 states and 7121 transitions. [2022-12-14 16:05:39,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-12-14 16:05:39,011 INFO L276 IsEmpty]: Start isEmpty. Operand 5225 states and 7121 transitions. [2022-12-14 16:05:39,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-12-14 16:05:39,012 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:05:39,012 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 16:05:39,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-12-14 16:05:39,013 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-12-14 16:05:39,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:05:39,013 INFO L85 PathProgramCache]: Analyzing trace with hash -1775756235, now seen corresponding path program 1 times [2022-12-14 16:05:39,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:05:39,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636767846] [2022-12-14 16:05:39,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:05:39,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:05:39,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:05:39,224 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 16:05:39,224 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:05:39,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636767846] [2022-12-14 16:05:39,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636767846] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:05:39,224 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:05:39,224 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 16:05:39,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648688105] [2022-12-14 16:05:39,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:05:39,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 16:05:39,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:05:39,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 16:05:39,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 16:05:39,225 INFO L87 Difference]: Start difference. First operand 5225 states and 7121 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-12-14 16:05:40,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:05:40,652 INFO L93 Difference]: Finished difference Result 5225 states and 7121 transitions. [2022-12-14 16:05:40,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 16:05:40,653 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 134 [2022-12-14 16:05:40,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:05:40,665 INFO L225 Difference]: With dead ends: 5225 [2022-12-14 16:05:40,665 INFO L226 Difference]: Without dead ends: 5223 [2022-12-14 16:05:40,667 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 16:05:40,668 INFO L413 NwaCegarLoop]: 2521 mSDtfsCounter, 2764 mSDsluCounter, 2521 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2766 SdHoareTripleChecker+Valid, 5042 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-14 16:05:40,668 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2766 Valid, 5042 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-14 16:05:40,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5223 states. [2022-12-14 16:05:41,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5223 to 5223. [2022-12-14 16:05:41,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5223 states, 2911 states have (on average 1.2483682583304707) internal successors, (3634), 3100 states have internal predecessors, (3634), 1731 states have call successors, (1731), 582 states have call predecessors, (1731), 574 states have return successors, (1753), 1662 states have call predecessors, (1753), 1729 states have call successors, (1753) [2022-12-14 16:05:41,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5223 states to 5223 states and 7118 transitions. [2022-12-14 16:05:41,219 INFO L78 Accepts]: Start accepts. Automaton has 5223 states and 7118 transitions. Word has length 134 [2022-12-14 16:05:41,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:05:41,219 INFO L495 AbstractCegarLoop]: Abstraction has 5223 states and 7118 transitions. [2022-12-14 16:05:41,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-12-14 16:05:41,219 INFO L276 IsEmpty]: Start isEmpty. Operand 5223 states and 7118 transitions. [2022-12-14 16:05:41,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-12-14 16:05:41,221 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:05:41,221 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 16:05:41,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-12-14 16:05:41,221 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-12-14 16:05:41,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:05:41,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1862639223, now seen corresponding path program 1 times [2022-12-14 16:05:41,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:05:41,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873084591] [2022-12-14 16:05:41,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:05:41,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:05:41,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:05:41,386 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 16:05:41,386 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:05:41,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873084591] [2022-12-14 16:05:41,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873084591] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:05:41,386 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:05:41,386 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 16:05:41,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039418075] [2022-12-14 16:05:41,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:05:41,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 16:05:41,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:05:41,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 16:05:41,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 16:05:41,388 INFO L87 Difference]: Start difference. First operand 5223 states and 7118 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-12-14 16:05:42,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:05:42,979 INFO L93 Difference]: Finished difference Result 5223 states and 7118 transitions. [2022-12-14 16:05:42,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 16:05:42,980 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 139 [2022-12-14 16:05:42,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:05:42,989 INFO L225 Difference]: With dead ends: 5223 [2022-12-14 16:05:42,989 INFO L226 Difference]: Without dead ends: 5221 [2022-12-14 16:05:42,990 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 16:05:42,991 INFO L413 NwaCegarLoop]: 2519 mSDtfsCounter, 2761 mSDsluCounter, 2519 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2763 SdHoareTripleChecker+Valid, 5038 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 16:05:42,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2763 Valid, 5038 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 16:05:42,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5221 states. [2022-12-14 16:05:43,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5221 to 5221. [2022-12-14 16:05:43,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5221 states, 2910 states have (on average 1.247766323024055) internal successors, (3631), 3098 states have internal predecessors, (3631), 1731 states have call successors, (1731), 582 states have call predecessors, (1731), 574 states have return successors, (1753), 1662 states have call predecessors, (1753), 1729 states have call successors, (1753) [2022-12-14 16:05:43,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5221 states to 5221 states and 7115 transitions. [2022-12-14 16:05:43,557 INFO L78 Accepts]: Start accepts. Automaton has 5221 states and 7115 transitions. Word has length 139 [2022-12-14 16:05:43,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:05:43,558 INFO L495 AbstractCegarLoop]: Abstraction has 5221 states and 7115 transitions. [2022-12-14 16:05:43,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-12-14 16:05:43,558 INFO L276 IsEmpty]: Start isEmpty. Operand 5221 states and 7115 transitions. [2022-12-14 16:05:43,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-12-14 16:05:43,560 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:05:43,560 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 16:05:43,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-12-14 16:05:43,560 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-12-14 16:05:43,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:05:43,560 INFO L85 PathProgramCache]: Analyzing trace with hash 409691714, now seen corresponding path program 1 times [2022-12-14 16:05:43,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:05:43,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985762561] [2022-12-14 16:05:43,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:05:43,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:05:43,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:05:43,719 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 16:05:43,719 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:05:43,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985762561] [2022-12-14 16:05:43,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985762561] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:05:43,719 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:05:43,720 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 16:05:43,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086274660] [2022-12-14 16:05:43,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:05:43,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 16:05:43,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:05:43,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 16:05:43,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 16:05:43,721 INFO L87 Difference]: Start difference. First operand 5221 states and 7115 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-14 16:05:45,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:05:45,279 INFO L93 Difference]: Finished difference Result 5221 states and 7115 transitions. [2022-12-14 16:05:45,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 16:05:45,280 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 144 [2022-12-14 16:05:45,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:05:45,292 INFO L225 Difference]: With dead ends: 5221 [2022-12-14 16:05:45,292 INFO L226 Difference]: Without dead ends: 4990 [2022-12-14 16:05:45,295 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 16:05:45,295 INFO L413 NwaCegarLoop]: 2518 mSDtfsCounter, 2758 mSDsluCounter, 2518 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2758 SdHoareTripleChecker+Valid, 5036 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 16:05:45,295 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2758 Valid, 5036 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 16:05:45,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4990 states. [2022-12-14 16:05:45,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4990 to 4984. [2022-12-14 16:05:45,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4984 states, 2775 states have (on average 1.2576576576576577) internal successors, (3490), 2958 states have internal predecessors, (3490), 1670 states have call successors, (1670), 542 states have call predecessors, (1670), 534 states have return successors, (1692), 1605 states have call predecessors, (1692), 1668 states have call successors, (1692) [2022-12-14 16:05:45,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4984 states to 4984 states and 6852 transitions. [2022-12-14 16:05:45,924 INFO L78 Accepts]: Start accepts. Automaton has 4984 states and 6852 transitions. Word has length 144 [2022-12-14 16:05:45,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:05:45,924 INFO L495 AbstractCegarLoop]: Abstraction has 4984 states and 6852 transitions. [2022-12-14 16:05:45,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-14 16:05:45,924 INFO L276 IsEmpty]: Start isEmpty. Operand 4984 states and 6852 transitions. [2022-12-14 16:05:45,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-12-14 16:05:45,926 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:05:45,926 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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] [2022-12-14 16:05:45,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-12-14 16:05:45,927 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-12-14 16:05:45,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:05:45,927 INFO L85 PathProgramCache]: Analyzing trace with hash 1322603687, now seen corresponding path program 1 times [2022-12-14 16:05:45,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:05:45,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545328939] [2022-12-14 16:05:45,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:05:45,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:05:46,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:05:47,314 INFO L134 CoverageAnalysis]: Checked inductivity of 696 backedges. 6 proven. 58 refuted. 0 times theorem prover too weak. 632 trivial. 0 not checked. [2022-12-14 16:05:47,314 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:05:47,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545328939] [2022-12-14 16:05:47,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545328939] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 16:05:47,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [511429288] [2022-12-14 16:05:47,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:05:47,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 16:05:47,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b900d2-195e-46e1-8203-e798aa45a838/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 16:05:47,316 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b900d2-195e-46e1-8203-e798aa45a838/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 16:05:47,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b900d2-195e-46e1-8203-e798aa45a838/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 16:05:47,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:05:47,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 2925 conjuncts, 60 conjunts are in the unsatisfiable core [2022-12-14 16:05:48,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:05:48,079 INFO L134 CoverageAnalysis]: Checked inductivity of 696 backedges. 194 proven. 2 refuted. 0 times theorem prover too weak. 500 trivial. 0 not checked. [2022-12-14 16:05:48,079 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 16:05:48,348 INFO L134 CoverageAnalysis]: Checked inductivity of 696 backedges. 6 proven. 58 refuted. 0 times theorem prover too weak. 632 trivial. 0 not checked. [2022-12-14 16:05:48,348 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [511429288] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 16:05:48,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [773155718] [2022-12-14 16:05:48,365 INFO L159 IcfgInterpreter]: Started Sifa with 88 locations of interest [2022-12-14 16:05:48,365 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 16:05:48,368 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 16:05:48,371 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 16:05:48,371 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 16:05:51,633 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-12-14 16:05:51,760 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-12-14 16:05:51,964 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-12-14 16:05:52,184 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-12-14 16:05:52,489 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-12-14 16:05:52,782 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-12-14 16:05:53,654 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-12-14 16:09:53,985 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_linux_net_register_reset_error_counter with input of size 2325 for LOIs [2022-12-14 16:09:56,546 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_undef_int with input of size 2323 for LOIs [2022-12-14 16:09:59,010 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_filter_positive_int with input of size 2334 for LOIs [2022-12-14 16:10:31,704 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_linux_usb_register_reset_error_counter with input of size 2325 for LOIs [2022-12-14 16:10:34,335 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_assume with input of size 2508 for LOIs [2022-12-14 16:10:57,802 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 16:11:24,665 WARN L233 SmtUtils]: Spent 26.28s on a formula simplification that was a NOOP. DAG size: 2318 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 16:12:01,292 WARN L233 SmtUtils]: Spent 27.69s on a formula simplification that was a NOOP. DAG size: 2323 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 16:12:31,926 WARN L233 SmtUtils]: Spent 29.80s on a formula simplification that was a NOOP. DAG size: 2429 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 16:13:00,871 WARN L233 SmtUtils]: Spent 28.08s on a formula simplification that was a NOOP. DAG size: 2331 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 16:14:05,574 WARN L233 SmtUtils]: Spent 1.06m on a formula simplification. DAG size of input: 2493 DAG size of output: 2442 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 16:15:09,980 WARN L233 SmtUtils]: Spent 1.05m on a formula simplification. DAG size of input: 2493 DAG size of output: 2442 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 16:16:15,018 WARN L233 SmtUtils]: Spent 1.06m on a formula simplification. DAG size of input: 2491 DAG size of output: 2440 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 16:17:16,823 WARN L233 SmtUtils]: Spent 1.01m on a formula simplification. DAG size of input: 2496 DAG size of output: 2445 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)