./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.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_8c0e5c69-3832-41d3-9da9-bc4e437ce696/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0e5c69-3832-41d3-9da9-bc4e437ce696/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_8c0e5c69-3832-41d3-9da9-bc4e437ce696/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0e5c69-3832-41d3-9da9-bc4e437ce696/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0e5c69-3832-41d3-9da9-bc4e437ce696/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_8c0e5c69-3832-41d3-9da9-bc4e437ce696/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 ab0b375f71eb557eddedfb6836efa7383e8c24249ba51445e071f612ca1dd29b --- 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 06:24:29,507 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 06:24:29,508 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 06:24:29,521 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 06:24:29,521 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 06:24:29,522 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 06:24:29,523 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 06:24:29,524 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 06:24:29,525 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 06:24:29,526 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 06:24:29,526 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 06:24:29,527 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 06:24:29,527 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 06:24:29,528 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 06:24:29,529 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 06:24:29,530 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 06:24:29,530 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 06:24:29,531 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 06:24:29,532 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 06:24:29,533 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 06:24:29,534 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 06:24:29,535 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 06:24:29,536 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 06:24:29,536 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 06:24:29,539 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 06:24:29,539 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 06:24:29,539 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 06:24:29,540 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 06:24:29,540 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 06:24:29,541 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 06:24:29,541 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 06:24:29,542 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 06:24:29,542 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 06:24:29,543 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 06:24:29,543 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 06:24:29,544 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 06:24:29,544 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 06:24:29,544 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 06:24:29,545 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 06:24:29,545 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 06:24:29,546 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 06:24:29,547 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0e5c69-3832-41d3-9da9-bc4e437ce696/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 06:24:29,562 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 06:24:29,562 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 06:24:29,562 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 06:24:29,562 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 06:24:29,563 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 06:24:29,563 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 06:24:29,563 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 06:24:29,563 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 06:24:29,563 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 06:24:29,564 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 06:24:29,564 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 06:24:29,564 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 06:24:29,564 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 06:24:29,564 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 06:24:29,564 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 06:24:29,564 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 06:24:29,565 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 06:24:29,565 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 06:24:29,565 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 06:24:29,565 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 06:24:29,566 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 06:24:29,566 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 06:24:29,566 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 06:24:29,566 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 06:24:29,566 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 06:24:29,566 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 06:24:29,566 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 06:24:29,567 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 06:24:29,567 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 06:24:29,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:24:29,567 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 06:24:29,567 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 06:24:29,567 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 06:24:29,567 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 06:24:29,568 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 06:24:29,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 06:24:29,568 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 06:24:29,568 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 06:24:29,568 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_8c0e5c69-3832-41d3-9da9-bc4e437ce696/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0e5c69-3832-41d3-9da9-bc4e437ce696/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab0b375f71eb557eddedfb6836efa7383e8c24249ba51445e071f612ca1dd29b [2022-12-14 06:24:29,746 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 06:24:29,763 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 06:24:29,765 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 06:24:29,766 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 06:24:29,766 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 06:24:29,767 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0e5c69-3832-41d3-9da9-bc4e437ce696/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i [2022-12-14 06:24:32,365 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 06:24:32,900 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 06:24:32,900 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0e5c69-3832-41d3-9da9-bc4e437ce696/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i [2022-12-14 06:24:32,953 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0e5c69-3832-41d3-9da9-bc4e437ce696/bin/utaipan-gh47qXpMRh/data/adb58dc5b/a7eff6611b274ef08665dfa308340910/FLAGf5040fcc5 [2022-12-14 06:24:32,967 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0e5c69-3832-41d3-9da9-bc4e437ce696/bin/utaipan-gh47qXpMRh/data/adb58dc5b/a7eff6611b274ef08665dfa308340910 [2022-12-14 06:24:32,969 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 06:24:32,971 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 06:24:32,972 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 06:24:32,972 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 06:24:32,975 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 06:24:32,976 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:24:32" (1/1) ... [2022-12-14 06:24:32,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e36b499 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:32, skipping insertion in model container [2022-12-14 06:24:32,977 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:24:32" (1/1) ... [2022-12-14 06:24:32,984 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 06:24:33,182 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 06:24:33,668 WARN L623 FunctionHandler]: Unknown extern function __bitmap_weight [2022-12-14 06:24:33,874 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 06:24:33,884 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 06:24:33,895 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 06:24:33,910 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 06:24:33,995 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 06:24:34,042 WARN L623 FunctionHandler]: Unknown extern function alloc_pages_current [2022-12-14 06:24:34,079 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 06:24:34,102 WARN L623 FunctionHandler]: Unknown extern function __get_page_tail [2022-12-14 06:24:34,103 WARN L623 FunctionHandler]: Unknown extern function dump_page [2022-12-14 06:24:34,136 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 06:24:34,247 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 06:24:34,250 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 06:24:34,251 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-14 06:24:34,259 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-14 06:24:34,266 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-14 06:24:34,274 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-14 06:24:34,281 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-12-14 06:24:34,289 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_device [2022-12-14 06:24:34,295 WARN L623 FunctionHandler]: Unknown extern function debug_dma_mapping_error [2022-12-14 06:24:34,329 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-14 06:24:34,336 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 06:24:34,337 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-14 06:24:34,343 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-12-14 06:24:34,459 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-14 06:24:34,478 WARN L623 FunctionHandler]: Unknown extern function skb_pad [2022-12-14 06:24:34,521 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-12-14 06:24:34,532 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-14 06:24:34,533 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 06:24:34,610 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 06:24:34,610 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:24:34,634 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-14 06:24:34,646 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-14 06:24:34,646 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-14 06:24:34,663 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-12-14 06:24:34,803 WARN L623 FunctionHandler]: Unknown extern function __pci_enable_wake [2022-12-14 06:24:34,903 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-14 06:24:34,929 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 06:24:35,265 WARN L623 FunctionHandler]: Unknown extern function netdev_alert [2022-12-14 06:24:35,267 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 06:24:35,269 WARN L623 FunctionHandler]: Unknown extern function netdev_alert [2022-12-14 06:24:35,270 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 06:24:35,270 WARN L623 FunctionHandler]: Unknown extern function netdev_alert [2022-12-14 06:24:35,279 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 06:24:35,280 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,281 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,287 WARN L623 FunctionHandler]: Unknown extern function netdev_crit [2022-12-14 06:24:35,302 WARN L623 FunctionHandler]: Unknown extern function netdev_crit [2022-12-14 06:24:35,311 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:35,313 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:35,315 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,316 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,316 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 06:24:35,317 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,317 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 06:24:35,327 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,369 WARN L623 FunctionHandler]: Unknown extern function strncmp [2022-12-14 06:24:35,369 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,371 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,387 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,388 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,390 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,399 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,400 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,420 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 06:24:35,421 WARN L623 FunctionHandler]: Unknown extern function netdev_crit [2022-12-14 06:24:35,422 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 06:24:35,474 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,475 WARN L623 FunctionHandler]: Unknown extern function __free_pages [2022-12-14 06:24:35,475 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,485 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:35,487 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,488 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:35,497 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:35,498 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:35,499 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,501 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:35,517 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:35,518 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:35,527 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:35,528 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,530 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,531 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,557 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-14 06:24:35,557 WARN L623 FunctionHandler]: Unknown extern function napi_get_frags [2022-12-14 06:24:35,558 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,558 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-14 06:24:35,560 WARN L623 FunctionHandler]: Unknown extern function napi_gro_frags [2022-12-14 06:24:35,568 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-14 06:24:35,569 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,570 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 06:24:35,570 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:35,572 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-14 06:24:35,572 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:35,574 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:35,574 WARN L623 FunctionHandler]: Unknown extern function napi_gro_receive [2022-12-14 06:24:35,575 WARN L623 FunctionHandler]: Unknown extern function netif_receive_skb [2022-12-14 06:24:35,575 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-14 06:24:35,583 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 06:24:35,584 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:35,586 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:35,587 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-14 06:24:35,587 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:35,589 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:35,590 WARN L623 FunctionHandler]: Unknown extern function napi_gro_receive [2022-12-14 06:24:35,590 WARN L623 FunctionHandler]: Unknown extern function netif_receive_skb [2022-12-14 06:24:35,606 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:35,607 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 06:24:35,607 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:35,608 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:35,609 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 06:24:35,610 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:35,610 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 06:24:35,611 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:35,612 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:35,613 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:35,614 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:35,616 WARN L623 FunctionHandler]: Unknown extern function __pskb_pull_tail [2022-12-14 06:24:35,616 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:35,617 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:35,619 WARN L623 FunctionHandler]: Unknown extern function __pskb_pull_tail [2022-12-14 06:24:35,636 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:35,637 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:35,639 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:35,639 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-14 06:24:35,639 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:35,640 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:35,641 WARN L623 FunctionHandler]: Unknown extern function napi_gro_receive [2022-12-14 06:24:35,641 WARN L623 FunctionHandler]: Unknown extern function netif_receive_skb [2022-12-14 06:24:35,654 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 06:24:35,655 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 06:24:35,655 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 06:24:35,656 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 06:24:35,656 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 06:24:35,663 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,663 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,663 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,663 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,664 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,664 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,670 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:35,671 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:35,678 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:35,679 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:35,685 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:35,686 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:35,687 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:35,688 WARN L623 FunctionHandler]: Unknown extern function napi_complete [2022-12-14 06:24:35,700 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,700 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,718 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,730 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,742 WARN L623 FunctionHandler]: Unknown extern function find_first_bit [2022-12-14 06:24:35,743 WARN L623 FunctionHandler]: Unknown extern function find_next_bit [2022-12-14 06:24:35,755 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:35,756 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,756 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,757 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,757 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 06:24:35,758 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 06:24:35,758 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 06:24:35,758 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 06:24:35,758 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-12-14 06:24:35,758 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 06:24:35,759 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 06:24:35,766 WARN L623 FunctionHandler]: Unknown extern function pskb_expand_head [2022-12-14 06:24:35,767 WARN L623 FunctionHandler]: Unknown extern function csum_ipv6_magic [2022-12-14 06:24:35,781 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 06:24:35,782 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:35,784 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,784 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:35,797 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,798 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,810 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:24:35,817 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,823 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-14 06:24:35,824 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-14 06:24:35,830 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,831 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 06:24:35,861 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:24:35,861 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:24:35,868 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,869 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,869 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,876 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,876 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 06:24:35,889 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,889 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,899 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-12-14 06:24:35,899 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:35,900 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,907 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,913 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msix [2022-12-14 06:24:35,914 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:24:35,914 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-12-14 06:24:35,920 WARN L623 FunctionHandler]: Unknown extern function pci_enable_msix [2022-12-14 06:24:35,921 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:24:35,921 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 06:24:35,921 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 06:24:35,922 WARN L623 FunctionHandler]: Unknown extern function pci_enable_msi_block [2022-12-14 06:24:35,922 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 06:24:35,922 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:35,942 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 06:24:35,943 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 06:24:35,943 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 06:24:35,956 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,957 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:35,957 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:35,957 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:35,958 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:35,958 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,960 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,968 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,975 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,981 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,981 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,982 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,982 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,983 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,983 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,984 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,991 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,991 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,992 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,992 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,993 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,999 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:35,999 WARN L623 FunctionHandler]: Unknown extern function usecs_to_jiffies [2022-12-14 06:24:36,000 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,006 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 06:24:36,007 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 06:24:36,007 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,008 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,008 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 06:24:36,009 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,015 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work_sync [2022-12-14 06:24:36,015 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work_sync [2022-12-14 06:24:36,015 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work_sync [2022-12-14 06:24:36,016 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work_sync [2022-12-14 06:24:36,016 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work_sync [2022-12-14 06:24:36,016 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work_sync [2022-12-14 06:24:36,016 WARN L623 FunctionHandler]: Unknown extern function netif_napi_del [2022-12-14 06:24:36,017 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,017 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 06:24:36,029 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,036 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,036 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 06:24:36,056 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,056 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,057 WARN L623 FunctionHandler]: Unknown extern function netdev_alert [2022-12-14 06:24:36,057 WARN L623 FunctionHandler]: Unknown extern function dev_close [2022-12-14 06:24:36,063 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,064 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,064 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,073 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,073 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,074 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,074 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,075 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,075 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,082 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,094 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-14 06:24:36,094 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-14 06:24:36,095 WARN L623 FunctionHandler]: Unknown extern function netdev_alert [2022-12-14 06:24:36,095 WARN L623 FunctionHandler]: Unknown extern function dev_close [2022-12-14 06:24:36,095 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-14 06:24:36,114 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-14 06:24:36,114 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 06:24:36,114 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 06:24:36,115 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 06:24:36,115 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 06:24:36,121 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 06:24:36,121 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 06:24:36,122 WARN L623 FunctionHandler]: Unknown extern function pcie_set_readrq [2022-12-14 06:24:36,122 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 06:24:36,122 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-14 06:24:36,122 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 06:24:36,122 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 06:24:36,123 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 06:24:36,123 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-14 06:24:36,123 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-12-14 06:24:36,124 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 06:24:36,124 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-12-14 06:24:36,125 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 06:24:36,125 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 06:24:36,126 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 06:24:36,126 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 06:24:36,126 WARN L623 FunctionHandler]: Unknown extern function vmalloc [2022-12-14 06:24:36,127 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 06:24:36,127 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-12-14 06:24:36,127 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 06:24:36,128 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 06:24:36,128 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 06:24:36,128 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 06:24:36,128 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 06:24:36,129 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 06:24:36,129 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 06:24:36,129 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 06:24:36,129 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 06:24:36,130 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 06:24:36,130 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 06:24:36,130 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 06:24:36,130 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 06:24:36,131 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 06:24:36,131 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 06:24:36,131 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 06:24:36,131 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 06:24:36,132 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 06:24:36,132 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 06:24:36,132 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 06:24:36,132 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 06:24:36,133 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 06:24:36,139 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,145 WARN L623 FunctionHandler]: Unknown extern function netif_get_num_default_rss_queues [2022-12-14 06:24:36,146 WARN L623 FunctionHandler]: Unknown extern function netif_get_num_default_rss_queues [2022-12-14 06:24:36,147 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 06:24:36,147 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 06:24:36,147 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 06:24:36,148 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-14 06:24:36,154 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 06:24:36,160 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 06:24:36,160 WARN L623 FunctionHandler]: Unknown extern function netif_napi_del [2022-12-14 06:24:36,167 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-14 06:24:36,167 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 06:24:36,167 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 06:24:36,173 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-12-14 06:24:36,173 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 06:24:36,173 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,174 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 06:24:36,174 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,180 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,180 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,181 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-14 06:24:36,187 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-14 06:24:36,187 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-14 06:24:36,187 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 06:24:36,187 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-12-14 06:24:36,187 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 06:24:36,193 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 06:24:36,193 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-12-14 06:24:36,194 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 06:24:36,194 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,194 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 06:24:36,195 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-14 06:24:36,625 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-14 06:24:36,626 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 06:24:36,627 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 06:24:36,627 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 06:24:36,634 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 06:24:36,636 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-12-14 06:24:36,638 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 06:24:36,638 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 06:24:36,639 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 06:24:36,640 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 06:24:36,640 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 06:24:36,641 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 06:24:36,641 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-12-14 06:24:36,641 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 06:24:36,641 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-14 06:24:36,642 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 06:24:36,642 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 06:24:36,642 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-14 06:24:36,642 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 06:24:36,643 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 06:24:36,643 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 06:24:36,643 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 06:24:36,643 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 06:24:36,644 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 06:24:36,644 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 06:24:36,708 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 06:24:36,765 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,767 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,773 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,810 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:24:36,823 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,824 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,826 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,830 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,830 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,831 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,831 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,838 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,838 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,846 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,846 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:36,847 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:24:36,847 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 06:24:36,890 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 06:24:36,891 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 06:24:36,898 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,904 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 06:24:36,916 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,916 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,923 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,923 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-14 06:24:36,929 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,929 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,930 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,930 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,936 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,942 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,942 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,948 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,949 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,955 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,955 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,955 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,961 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,961 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,962 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,967 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,969 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,970 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,970 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,976 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 06:24:36,976 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,977 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 06:24:36,977 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,978 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,978 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,985 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,986 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,986 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,993 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,994 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,994 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:36,995 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:36,997 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:37,002 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_timeout [2022-12-14 06:24:37,003 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:37,003 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:37,004 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:37,004 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:37,005 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:37,005 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:37,006 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:37,007 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:37,014 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:37,015 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:37,015 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 06:24:37,021 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:37,022 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:37,023 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:37,024 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:37,024 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:37,024 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:37,025 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:37,025 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 06:24:37,026 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 06:24:37,026 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work_sync [2022-12-14 06:24:37,026 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work_sync [2022-12-14 06:24:37,026 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work_sync [2022-12-14 06:24:37,027 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:37,027 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:37,101 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:37,102 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:37,108 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:37,108 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:37,109 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:37,109 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:37,110 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:37,110 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:37,140 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 06:24:37,140 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 06:24:37,142 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 06:24:37,154 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 06:24:37,154 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 06:24:37,166 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 06:24:37,172 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 06:24:37,185 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 06:24:37,185 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 06:24:37,198 WARN L623 FunctionHandler]: Unknown extern function msleep_interruptible [2022-12-14 06:24:37,198 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:37,245 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-12-14 06:24:37,308 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-14 06:24:37,309 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 06:24:37,320 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:24:38,055 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_8c0e5c69-3832-41d3-9da9-bc4e437ce696/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[647538,647551] [2022-12-14 06:24:38,058 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_8c0e5c69-3832-41d3-9da9-bc4e437ce696/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[647707,647720] [2022-12-14 06:24:38,058 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_8c0e5c69-3832-41d3-9da9-bc4e437ce696/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[647874,647887] [2022-12-14 06:24:38,058 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_8c0e5c69-3832-41d3-9da9-bc4e437ce696/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[648042,648055] [2022-12-14 06:24:38,059 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 06:24:38,065 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 06:24:38,065 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 06:24:38,066 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 06:24:38,066 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 06:24:38,066 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 06:24:38,079 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 06:24:38,079 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 06:24:38,082 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 06:24:38,082 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:24:38,123 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 06:24:38,223 WARN L623 FunctionHandler]: Unknown extern function __bitmap_weight [2022-12-14 06:24:38,226 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 06:24:38,226 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 06:24:38,226 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 06:24:38,227 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 06:24:38,228 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 06:24:38,229 WARN L623 FunctionHandler]: Unknown extern function alloc_pages_current [2022-12-14 06:24:38,229 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 06:24:38,231 WARN L623 FunctionHandler]: Unknown extern function __get_page_tail [2022-12-14 06:24:38,232 WARN L623 FunctionHandler]: Unknown extern function dump_page [2022-12-14 06:24:38,233 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 06:24:38,237 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 06:24:38,238 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 06:24:38,238 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-14 06:24:38,239 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-14 06:24:38,240 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-14 06:24:38,241 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-14 06:24:38,242 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-12-14 06:24:38,243 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_device [2022-12-14 06:24:38,244 WARN L623 FunctionHandler]: Unknown extern function debug_dma_mapping_error [2022-12-14 06:24:38,246 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-14 06:24:38,247 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 06:24:38,247 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-14 06:24:38,248 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-12-14 06:24:38,252 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-14 06:24:38,253 WARN L623 FunctionHandler]: Unknown extern function skb_pad [2022-12-14 06:24:38,254 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-12-14 06:24:38,255 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-14 06:24:38,255 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 06:24:38,257 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 06:24:38,257 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:24:38,258 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-14 06:24:38,259 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-14 06:24:38,259 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-14 06:24:38,259 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-12-14 06:24:38,261 WARN L623 FunctionHandler]: Unknown extern function __pci_enable_wake [2022-12-14 06:24:38,263 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-14 06:24:38,264 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 06:24:38,269 WARN L623 FunctionHandler]: Unknown extern function netdev_alert [2022-12-14 06:24:38,270 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 06:24:38,271 WARN L623 FunctionHandler]: Unknown extern function netdev_alert [2022-12-14 06:24:38,271 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 06:24:38,271 WARN L623 FunctionHandler]: Unknown extern function netdev_alert [2022-12-14 06:24:38,272 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 06:24:38,273 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,273 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,276 WARN L623 FunctionHandler]: Unknown extern function netdev_crit [2022-12-14 06:24:38,280 WARN L623 FunctionHandler]: Unknown extern function netdev_crit [2022-12-14 06:24:38,281 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:38,281 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:38,282 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,282 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,282 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 06:24:38,283 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,283 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 06:24:38,284 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,288 WARN L623 FunctionHandler]: Unknown extern function strncmp [2022-12-14 06:24:38,288 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,289 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,290 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,291 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,292 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,293 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,293 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,296 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 06:24:38,296 WARN L623 FunctionHandler]: Unknown extern function netdev_crit [2022-12-14 06:24:38,297 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 06:24:38,301 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,301 WARN L623 FunctionHandler]: Unknown extern function __free_pages [2022-12-14 06:24:38,302 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,304 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:38,304 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,305 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:38,306 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:38,307 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:38,320 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,321 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:38,322 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:38,322 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:38,324 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:38,324 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,325 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,326 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,329 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-14 06:24:38,332 WARN L623 FunctionHandler]: Unknown extern function napi_get_frags [2022-12-14 06:24:38,333 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,333 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-14 06:24:38,334 WARN L623 FunctionHandler]: Unknown extern function napi_gro_frags [2022-12-14 06:24:38,335 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-14 06:24:38,336 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,336 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 06:24:38,336 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:38,337 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-14 06:24:38,338 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:38,339 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:38,339 WARN L623 FunctionHandler]: Unknown extern function napi_gro_receive [2022-12-14 06:24:38,340 WARN L623 FunctionHandler]: Unknown extern function netif_receive_skb [2022-12-14 06:24:38,340 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-14 06:24:38,341 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 06:24:38,342 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:38,343 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:38,343 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-14 06:24:38,344 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:38,345 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:38,345 WARN L623 FunctionHandler]: Unknown extern function napi_gro_receive [2022-12-14 06:24:38,345 WARN L623 FunctionHandler]: Unknown extern function netif_receive_skb [2022-12-14 06:24:38,347 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:38,347 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 06:24:38,348 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:38,348 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:38,348 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 06:24:38,349 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:38,349 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 06:24:38,349 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:38,350 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:38,350 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:38,351 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:38,352 WARN L623 FunctionHandler]: Unknown extern function __pskb_pull_tail [2022-12-14 06:24:38,352 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:38,353 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:38,354 WARN L623 FunctionHandler]: Unknown extern function __pskb_pull_tail [2022-12-14 06:24:38,355 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:38,356 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:38,357 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:38,358 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-14 06:24:38,358 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:38,359 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:38,359 WARN L623 FunctionHandler]: Unknown extern function napi_gro_receive [2022-12-14 06:24:38,359 WARN L623 FunctionHandler]: Unknown extern function netif_receive_skb [2022-12-14 06:24:38,361 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 06:24:38,361 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 06:24:38,361 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 06:24:38,362 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 06:24:38,362 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 06:24:38,363 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,363 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,364 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,364 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,364 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,364 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,366 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:38,367 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:38,369 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:38,369 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:38,372 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:38,372 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:38,373 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:38,373 WARN L623 FunctionHandler]: Unknown extern function napi_complete [2022-12-14 06:24:38,374 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,374 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,375 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,376 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,376 WARN L623 FunctionHandler]: Unknown extern function find_first_bit [2022-12-14 06:24:38,376 WARN L623 FunctionHandler]: Unknown extern function find_next_bit [2022-12-14 06:24:38,378 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:38,379 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,379 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,379 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,380 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 06:24:38,380 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 06:24:38,380 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 06:24:38,380 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 06:24:38,380 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-12-14 06:24:38,381 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 06:24:38,381 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 06:24:38,382 WARN L623 FunctionHandler]: Unknown extern function pskb_expand_head [2022-12-14 06:24:38,383 WARN L623 FunctionHandler]: Unknown extern function csum_ipv6_magic [2022-12-14 06:24:38,385 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 06:24:38,386 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:38,387 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,388 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:38,389 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,390 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,391 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:24:38,391 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,392 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-14 06:24:38,392 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-14 06:24:38,393 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,393 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 06:24:38,395 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:24:38,395 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:24:38,396 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,396 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,397 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,398 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,398 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 06:24:38,412 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,412 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,418 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-12-14 06:24:38,419 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:38,419 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,422 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,422 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msix [2022-12-14 06:24:38,423 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:24:38,423 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-12-14 06:24:38,424 WARN L623 FunctionHandler]: Unknown extern function pci_enable_msix [2022-12-14 06:24:38,425 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 06:24:38,425 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 06:24:38,426 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 06:24:38,426 WARN L623 FunctionHandler]: Unknown extern function pci_enable_msi_block [2022-12-14 06:24:38,427 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 06:24:38,427 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:38,434 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 06:24:38,435 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 06:24:38,439 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 06:24:38,441 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,442 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:38,442 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:38,443 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:38,443 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:38,444 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,445 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,448 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,449 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,450 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,450 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,450 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,451 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,451 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,452 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,452 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,453 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,454 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,454 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,457 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,458 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,458 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,459 WARN L623 FunctionHandler]: Unknown extern function usecs_to_jiffies [2022-12-14 06:24:38,460 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,460 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 06:24:38,461 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 06:24:38,461 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,462 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,462 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 06:24:38,462 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,463 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work_sync [2022-12-14 06:24:38,463 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work_sync [2022-12-14 06:24:38,463 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work_sync [2022-12-14 06:24:38,464 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work_sync [2022-12-14 06:24:38,464 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work_sync [2022-12-14 06:24:38,464 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work_sync [2022-12-14 06:24:38,464 WARN L623 FunctionHandler]: Unknown extern function netif_napi_del [2022-12-14 06:24:38,465 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,465 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 06:24:38,466 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,467 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,467 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 06:24:38,475 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,475 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,476 WARN L623 FunctionHandler]: Unknown extern function netdev_alert [2022-12-14 06:24:38,477 WARN L623 FunctionHandler]: Unknown extern function dev_close [2022-12-14 06:24:38,477 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,478 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,478 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,480 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,481 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,481 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,482 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,483 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,483 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,484 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,485 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-14 06:24:38,485 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-14 06:24:38,486 WARN L623 FunctionHandler]: Unknown extern function netdev_alert [2022-12-14 06:24:38,486 WARN L623 FunctionHandler]: Unknown extern function dev_close [2022-12-14 06:24:38,486 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-14 06:24:38,488 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-14 06:24:38,488 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 06:24:38,489 WARN L623 FunctionHandler]: Unknown extern function iounmap [2022-12-14 06:24:38,489 WARN L623 FunctionHandler]: Unknown extern function vfree [2022-12-14 06:24:38,489 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 06:24:38,490 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 06:24:38,490 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 06:24:38,490 WARN L623 FunctionHandler]: Unknown extern function pcie_set_readrq [2022-12-14 06:24:38,491 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 06:24:38,491 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-14 06:24:38,491 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 06:24:38,492 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 06:24:38,492 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 06:24:38,492 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-14 06:24:38,492 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-12-14 06:24:38,493 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 06:24:38,494 WARN L623 FunctionHandler]: Unknown extern function ioremap_nocache [2022-12-14 06:24:38,495 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 06:24:38,495 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 06:24:38,496 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 06:24:38,496 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 06:24:38,497 WARN L623 FunctionHandler]: Unknown extern function vmalloc [2022-12-14 06:24:38,500 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 06:24:38,501 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-12-14 06:24:38,501 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 06:24:38,501 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 06:24:38,501 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 06:24:38,502 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 06:24:38,502 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 06:24:38,502 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 06:24:38,502 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 06:24:38,502 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 06:24:38,503 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 06:24:38,503 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 06:24:38,503 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 06:24:38,503 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 06:24:38,503 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 06:24:38,504 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 06:24:38,504 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 06:24:38,504 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 06:24:38,504 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 06:24:38,504 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 06:24:38,505 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 06:24:38,505 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 06:24:38,505 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 06:24:38,505 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 06:24:38,506 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,506 WARN L623 FunctionHandler]: Unknown extern function netif_get_num_default_rss_queues [2022-12-14 06:24:38,507 WARN L623 FunctionHandler]: Unknown extern function netif_get_num_default_rss_queues [2022-12-14 06:24:38,508 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 06:24:38,508 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 06:24:38,508 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 06:24:38,508 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-14 06:24:38,509 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 06:24:38,509 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 06:24:38,509 WARN L623 FunctionHandler]: Unknown extern function netif_napi_del [2022-12-14 06:24:38,510 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-14 06:24:38,510 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 06:24:38,510 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 06:24:38,511 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-12-14 06:24:38,511 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 06:24:38,511 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,511 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 06:24:38,511 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,512 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,512 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,512 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-14 06:24:38,513 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-14 06:24:38,513 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-14 06:24:38,513 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 06:24:38,513 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-12-14 06:24:38,513 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 06:24:38,514 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 06:24:38,514 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-12-14 06:24:38,514 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 06:24:38,514 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,514 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 06:24:38,514 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-14 06:24:38,518 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-14 06:24:38,519 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 06:24:38,520 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 06:24:38,520 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 06:24:38,533 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 06:24:38,535 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-12-14 06:24:38,538 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 06:24:38,539 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 06:24:38,541 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 06:24:38,542 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 06:24:38,542 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 06:24:38,543 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 06:24:38,543 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-12-14 06:24:38,543 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 06:24:38,544 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-14 06:24:38,544 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 06:24:38,544 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 06:24:38,544 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-14 06:24:38,545 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 06:24:38,545 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 06:24:38,545 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 06:24:38,546 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 06:24:38,546 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 06:24:38,546 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 06:24:38,547 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 06:24:38,548 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 06:24:38,557 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,558 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,559 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,563 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:24:38,565 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,565 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,568 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,572 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,573 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,573 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,574 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,574 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,575 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,577 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,578 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:38,578 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:24:38,579 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 06:24:38,579 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 06:24:38,580 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 06:24:38,582 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,583 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 06:24:38,584 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,584 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,585 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,585 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-14 06:24:38,585 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,586 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,586 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,587 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,587 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,588 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,588 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,589 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,589 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,589 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,590 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,590 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,591 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,591 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,591 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,592 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,594 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,594 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,594 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,595 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 06:24:38,596 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,596 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 06:24:38,597 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,598 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,598 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,599 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,600 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,600 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,602 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,603 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,603 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:38,604 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,606 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,607 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_timeout [2022-12-14 06:24:38,607 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,607 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,608 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,608 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,609 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,610 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,611 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,611 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,612 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,612 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,613 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 06:24:38,614 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,614 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,616 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,616 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,616 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:38,617 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,617 WARN L623 FunctionHandler]: Unknown extern function netdev_printk [2022-12-14 06:24:38,618 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 06:24:38,618 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 06:24:38,619 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work_sync [2022-12-14 06:24:38,619 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work_sync [2022-12-14 06:24:38,619 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work_sync [2022-12-14 06:24:38,619 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,620 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,625 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,626 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,627 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,628 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,628 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,629 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,630 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,630 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,633 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 06:24:38,633 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 06:24:38,634 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 06:24:38,636 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 06:24:38,636 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 06:24:38,637 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 06:24:38,638 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 06:24:38,640 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 06:24:38,640 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 06:24:38,642 WARN L623 FunctionHandler]: Unknown extern function msleep_interruptible [2022-12-14 06:24:38,642 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:24:38,647 WARN L623 FunctionHandler]: Unknown extern function ethtool_op_get_link [2022-12-14 06:24:38,651 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-14 06:24:38,651 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 06:24:38,651 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:24:38,672 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_8c0e5c69-3832-41d3-9da9-bc4e437ce696/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[647538,647551] [2022-12-14 06:24:38,672 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_8c0e5c69-3832-41d3-9da9-bc4e437ce696/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[647707,647720] [2022-12-14 06:24:38,672 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_8c0e5c69-3832-41d3-9da9-bc4e437ce696/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[647874,647887] [2022-12-14 06:24:38,673 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_8c0e5c69-3832-41d3-9da9-bc4e437ce696/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[648042,648055] [2022-12-14 06:24:38,673 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 06:24:38,674 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 06:24:38,685 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 06:24:38,686 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 06:24:38,686 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 06:24:38,687 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 06:24:38,688 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 06:24:38,689 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 06:24:38,692 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 06:24:38,692 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:24:38,992 INFO L208 MainTranslator]: Completed translation [2022-12-14 06:24:38,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:38 WrapperNode [2022-12-14 06:24:38,993 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 06:24:38,994 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 06:24:38,994 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 06:24:38,994 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 06:24:39,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:38" (1/1) ... [2022-12-14 06:24:39,106 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:38" (1/1) ... [2022-12-14 06:24:39,525 INFO L138 Inliner]: procedures = 794, calls = 7653, calls flagged for inlining = 373, calls inlined = 338, statements flattened = 15719 [2022-12-14 06:24:39,526 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 06:24:39,526 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 06:24:39,526 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 06:24:39,526 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 06:24:39,534 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:38" (1/1) ... [2022-12-14 06:24:39,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:38" (1/1) ... [2022-12-14 06:24:39,598 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:38" (1/1) ... [2022-12-14 06:24:39,599 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:38" (1/1) ... [2022-12-14 06:24:39,889 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:38" (1/1) ... [2022-12-14 06:24:39,922 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:38" (1/1) ... [2022-12-14 06:24:39,974 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:38" (1/1) ... [2022-12-14 06:24:39,994 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:38" (1/1) ... [2022-12-14 06:24:40,051 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 06:24:40,052 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 06:24:40,052 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 06:24:40,052 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 06:24:40,053 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:38" (1/1) ... [2022-12-14 06:24:40,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:24:40,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0e5c69-3832-41d3-9da9-bc4e437ce696/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:24:40,081 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0e5c69-3832-41d3-9da9-bc4e437ce696/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 06:24:40,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0e5c69-3832-41d3-9da9-bc4e437ce696/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 06:24:40,116 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-12-14 06:24:40,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-12-14 06:24:40,116 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-12-14 06:24:40,116 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-12-14 06:24:40,116 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-12-14 06:24:40,117 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_irq [2022-12-14 06:24:40,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_irq [2022-12-14 06:24:40,117 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_both_serdes [2022-12-14 06:24:40,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_both_serdes [2022-12-14 06:24:40,117 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg [2022-12-14 06:24:40,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg [2022-12-14 06:24:40,117 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_reset [2022-12-14 06:24:40,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_reset [2022-12-14 06:24:40,117 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2022-12-14 06:24:40,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2022-12-14 06:24:40,117 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2022-12-14 06:24:40,118 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2022-12-14 06:24:40,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-14 06:24:40,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-14 06:24:40,118 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-12-14 06:24:40,118 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-12-14 06:24:40,118 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-12-14 06:24:40,118 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-12-14 06:24:40,118 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2022-12-14 06:24:40,118 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2022-12-14 06:24:40,118 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_all [2022-12-14 06:24:40,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_all [2022-12-14 06:24:40,119 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2022-12-14 06:24:40,119 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2022-12-14 06:24:40,119 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-12-14 06:24:40,119 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-12-14 06:24:40,119 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-12-14 06:24:40,119 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-12-14 06:24:40,119 INFO L130 BoogieDeclarations]: Found specification of procedure ql_dump_risc_ram_area [2022-12-14 06:24:40,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_dump_risc_ram_area [2022-12-14 06:24:40,119 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_other_func_reg [2022-12-14 06:24:40,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_other_func_reg [2022-12-14 06:24:40,120 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-12-14 06:24:40,120 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-12-14 06:24:40,120 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-12-14 06:24:40,120 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-12-14 06:24:40,120 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_xgmac_regs [2022-12-14 06:24:40,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_xgmac_regs [2022-12-14 06:24:40,120 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_buffer_queues [2022-12-14 06:24:40,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_buffer_queues [2022-12-14 06:24:40,120 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_cam_entries [2022-12-14 06:24:40,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_cam_entries [2022-12-14 06:24:40,120 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_mem_resources [2022-12-14 06:24:40,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_mem_resources [2022-12-14 06:24:40,121 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-12-14 06:24:40,121 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-12-14 06:24:40,121 INFO L130 BoogieDeclarations]: Found specification of procedure ql_eeh_close [2022-12-14 06:24:40,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_eeh_close [2022-12-14 06:24:40,121 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2022-12-14 06:24:40,121 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_receive_skb [2022-12-14 06:24:40,121 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-12-14 06:24:40,121 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-12-14 06:24:40,121 INFO L130 BoogieDeclarations]: Found specification of procedure skb_record_rx_queue [2022-12-14 06:24:40,121 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_record_rx_queue [2022-12-14 06:24:40,121 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-12-14 06:24:40,122 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-12-14 06:24:40,122 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-12-14 06:24:40,122 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-12-14 06:24:40,122 INFO L130 BoogieDeclarations]: Found specification of procedure ql_build_coredump_seg_header [2022-12-14 06:24:40,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_build_coredump_seg_header [2022-12-14 06:24:40,122 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_close [2022-12-14 06:24:40,122 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_close [2022-12-14 06:24:40,122 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mb_sts [2022-12-14 06:24:40,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mb_sts [2022-12-14 06:24:40,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-14 06:24:40,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-14 06:24:40,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 06:24:40,123 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-12-14 06:24:40,123 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-12-14 06:24:40,123 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2022-12-14 06:24:40,123 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2022-12-14 06:24:40,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-12-14 06:24:40,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-12-14 06:24:40,123 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2022-12-14 06:24:40,123 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2022-12-14 06:24:40,123 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-12-14 06:24:40,124 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-12-14 06:24:40,124 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write32 [2022-12-14 06:24:40,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write32 [2022-12-14 06:24:40,124 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cam_route_initialize [2022-12-14 06:24:40,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cam_route_initialize [2022-12-14 06:24:40,124 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-12-14 06:24:40,124 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-12-14 06:24:40,124 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-12-14 06:24:40,124 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-12-14 06:24:40,124 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_other_func_reg_rdy [2022-12-14 06:24:40,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_other_func_reg_rdy [2022-12-14 06:24:40,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-12-14 06:24:40,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-12-14 06:24:40,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 06:24:40,125 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_mpi_reg [2022-12-14 06:24:40,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_mpi_reg [2022-12-14 06:24:40,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-12-14 06:24:40,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-12-14 06:24:40,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 06:24:40,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-14 06:24:40,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-14 06:24:40,125 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-12-14 06:24:40,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-12-14 06:24:40,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 06:24:40,126 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-14 06:24:40,126 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_unlock [2022-12-14 06:24:40,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_unlock [2022-12-14 06:24:40,126 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8012_flash_params [2022-12-14 06:24:40,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8012_flash_params [2022-12-14 06:24:40,126 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-12-14 06:24:40,126 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-12-14 06:24:40,126 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_serdes_reg [2022-12-14 06:24:40,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_serdes_reg [2022-12-14 06:24:40,126 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-12-14 06:24:40,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-12-14 06:24:40,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_hw_lock_of_ql_adapter [2022-12-14 06:24:40,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_hw_lock_of_ql_adapter [2022-12-14 06:24:40,127 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-14 06:24:40,127 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-14 06:24:40,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-12-14 06:24:40,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-12-14 06:24:40,127 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-12-14 06:24:40,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-12-14 06:24:40,127 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8000_port_initialize [2022-12-14 06:24:40,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8000_port_initialize [2022-12-14 06:24:40,127 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-12-14 06:24:40,128 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-12-14 06:24:40,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_hw_lock_of_ql_adapter [2022-12-14 06:24:40,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_hw_lock_of_ql_adapter [2022-12-14 06:24:40,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 06:24:40,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 06:24:40,128 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8012_port_initialize [2022-12-14 06:24:40,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8012_port_initialize [2022-12-14 06:24:40,128 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_flash_word [2022-12-14 06:24:40,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_flash_word [2022-12-14 06:24:40,128 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-12-14 06:24:40,128 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-12-14 06:24:40,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 06:24:40,129 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2022-12-14 06:24:40,129 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2022-12-14 06:24:40,129 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-12-14 06:24:40,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-12-14 06:24:40,129 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-12-14 06:24:40,129 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-12-14 06:24:40,129 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-12-14 06:24:40,129 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-12-14 06:24:40,129 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-12-14 06:24:40,129 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cq_idx [2022-12-14 06:24:40,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cq_idx [2022-12-14 06:24:40,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-12-14 06:24:40,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-12-14 06:24:40,130 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_on [2022-12-14 06:24:40,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_on [2022-12-14 06:24:40,130 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_receive [2022-12-14 06:24:40,130 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_receive [2022-12-14 06:24:40,130 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-12-14 06:24:40,130 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-12-14 06:24:40,130 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-12-14 06:24:40,130 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-12-14 06:24:40,130 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-12-14 06:24:40,130 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-12-14 06:24:40,131 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-12-14 06:24:40,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-12-14 06:24:40,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 06:24:40,131 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 06:24:40,131 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-12-14 06:24:40,131 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-12-14 06:24:40,131 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_cq [2022-12-14 06:24:40,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_cq [2022-12-14 06:24:40,131 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-12-14 06:24:40,131 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-12-14 06:24:40,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 06:24:40,132 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-14 06:24:40,132 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-14 06:24:40,132 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_sbuf [2022-12-14 06:24:40,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_sbuf [2022-12-14 06:24:40,132 INFO L130 BoogieDeclarations]: Found specification of procedure ql_realign_skb [2022-12-14 06:24:40,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_realign_skb [2022-12-14 06:24:40,132 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_routing_entries [2022-12-14 06:24:40,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_routing_entries [2022-12-14 06:24:40,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 06:24:40,132 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-12-14 06:24:40,132 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-12-14 06:24:40,132 INFO L130 BoogieDeclarations]: Found specification of procedure ql_process_mac_split_rx_intr [2022-12-14 06:24:40,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_process_mac_split_rx_intr [2022-12-14 06:24:40,133 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_suspend [2022-12-14 06:24:40,133 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_suspend [2022-12-14 06:24:40,133 INFO L130 BoogieDeclarations]: Found specification of procedure __vlan_hwaccel_put_tag [2022-12-14 06:24:40,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __vlan_hwaccel_put_tag [2022-12-14 06:24:40,133 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-12-14 06:24:40,133 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-12-14 06:24:40,133 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cancel_all_work_sync [2022-12-14 06:24:40,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cancel_all_work_sync [2022-12-14 06:24:40,133 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-12-14 06:24:40,133 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-12-14 06:24:40,133 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-12-14 06:24:40,134 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-12-14 06:24:40,134 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-12-14 06:24:40,134 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-12-14 06:24:40,134 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2022-12-14 06:24:40,134 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2022-12-14 06:24:40,134 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-12-14 06:24:40,134 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-12-14 06:24:40,134 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-12-14 06:24:40,134 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-12-14 06:24:40,134 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-12-14 06:24:40,134 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-12-14 06:24:40,135 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-12-14 06:24:40,135 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-12-14 06:24:40,135 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_get_port_cfg [2022-12-14 06:24:40,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_get_port_cfg [2022-12-14 06:24:40,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 06:24:40,135 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-12-14 06:24:40,135 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-12-14 06:24:40,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 06:24:40,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 06:24:40,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_10_2 [2022-12-14 06:24:40,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_10_2 [2022-12-14 06:24:40,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_80 [2022-12-14 06:24:40,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_80 [2022-12-14 06:24:40,136 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_down [2022-12-14 06:24:40,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_down [2022-12-14 06:24:40,136 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_fw_error [2022-12-14 06:24:40,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_fw_error [2022-12-14 06:24:40,136 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_handler [2022-12-14 06:24:40,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_handler [2022-12-14 06:24:40,136 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg64 [2022-12-14 06:24:40,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg64 [2022-12-14 06:24:40,136 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-12-14 06:24:40,136 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-12-14 06:24:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_mgmnt_traffic_ctl [2022-12-14 06:24:40,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_mgmnt_traffic_ctl [2022-12-14 06:24:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_reg [2022-12-14 06:24:40,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_reg [2022-12-14 06:24:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_reg_rdy [2022-12-14 06:24:40,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_reg_rdy [2022-12-14 06:24:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-12-14 06:24:40,137 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-12-14 06:24:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_led_cfg [2022-12-14 06:24:40,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_led_cfg [2022-12-14 06:24:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cfg [2022-12-14 06:24:40,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cfg [2022-12-14 06:24:40,138 INFO L130 BoogieDeclarations]: Found specification of procedure ql_lbq_block_size [2022-12-14 06:24:40,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_lbq_block_size [2022-12-14 06:24:40,138 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-12-14 06:24:40,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-12-14 06:24:40,138 INFO L130 BoogieDeclarations]: Found specification of procedure netif_get_num_default_rss_queues [2022-12-14 06:24:40,138 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_get_num_default_rss_queues [2022-12-14 06:24:40,138 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_ets_regs [2022-12-14 06:24:40,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_ets_regs [2022-12-14 06:24:40,138 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_cfg [2022-12-14 06:24:40,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_cfg [2022-12-14 06:24:40,138 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-12-14 06:24:40,138 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-12-14 06:24:40,139 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-12-14 06:24:40,139 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read32 [2022-12-14 06:24:40,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read32 [2022-12-14 06:24:40,139 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_intr_states [2022-12-14 06:24:40,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_intr_states [2022-12-14 06:24:40,139 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2022-12-14 06:24:40,139 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2022-12-14 06:24:40,139 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-12-14 06:24:40,139 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-12-14 06:24:40,139 INFO L130 BoogieDeclarations]: Found specification of procedure ql_timer [2022-12-14 06:24:40,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_timer [2022-12-14 06:24:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 06:24:40,140 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 06:24:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-12-14 06:24:40,140 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-12-14 06:24:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-12-14 06:24:40,140 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-12-14 06:24:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure ql_enable_completion_interrupt [2022-12-14 06:24:40,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_enable_completion_interrupt [2022-12-14 06:24:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 06:24:40,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 06:24:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-12-14 06:24:40,140 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-12-14 06:24:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_send [2022-12-14 06:24:40,141 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_send [2022-12-14 06:24:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-12-14 06:24:40,141 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-12-14 06:24:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-12-14 06:24:40,141 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-12-14 06:24:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2022-12-14 06:24:40,141 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2022-12-14 06:24:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-12-14 06:24:40,141 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-12-14 06:24:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_regs_len [2022-12-14 06:24:40,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_regs_len [2022-12-14 06:24:40,142 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_io_resume [2022-12-14 06:24:40,142 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_io_resume [2022-12-14 06:24:40,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_5 [2022-12-14 06:24:40,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_5 [2022-12-14 06:24:40,142 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-14 06:24:40,142 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-14 06:24:40,142 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_shutdown [2022-12-14 06:24:40,142 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_shutdown [2022-12-14 06:24:40,142 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_mac_hdr_len [2022-12-14 06:24:40,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_mac_hdr_len [2022-12-14 06:24:40,142 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mailbox_command [2022-12-14 06:24:40,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mailbox_command [2022-12-14 06:24:40,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-14 06:24:40,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-14 06:24:40,143 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_irq_mask [2022-12-14 06:24:40,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_irq_mask [2022-12-14 06:24:40,143 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-12-14 06:24:40,143 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-12-14 06:24:40,143 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-12-14 06:24:40,143 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-12-14 06:24:40,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-14 06:24:40,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-14 06:24:40,143 INFO L130 BoogieDeclarations]: Found specification of procedure __qlge_vlan_rx_add_vid [2022-12-14 06:24:40,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __qlge_vlan_rx_add_vid [2022-12-14 06:24:40,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_5_2 [2022-12-14 06:24:40,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_5_2 [2022-12-14 06:24:40,144 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-12-14 06:24:40,144 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-12-14 06:24:40,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 06:24:40,144 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_asic_error [2022-12-14 06:24:40,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_asic_error [2022-12-14 06:24:40,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-12-14 06:24:40,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-12-14 06:24:40,144 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_xgmac_reg [2022-12-14 06:24:40,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_xgmac_reg [2022-12-14 06:24:40,145 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_up [2022-12-14 06:24:40,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_up [2022-12-14 06:24:40,145 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-12-14 06:24:40,145 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-12-14 06:24:40,145 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr_reg [2022-12-14 06:24:40,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr_reg [2022-12-14 06:24:40,145 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-12-14 06:24:40,145 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-12-14 06:24:40,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-14 06:24:40,145 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_serdes_reg [2022-12-14 06:24:40,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_serdes_reg [2022-12-14 06:24:40,146 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-12-14 06:24:40,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-12-14 06:24:40,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 06:24:40,146 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_open [2022-12-14 06:24:40,146 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_open [2022-12-14 06:24:40,146 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-12-14 06:24:40,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-12-14 06:24:40,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-14 06:24:40,146 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-14 06:24:40,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-12-14 06:24:40,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-12-14 06:24:40,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-12-14 06:24:40,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-12-14 06:24:40,147 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_probe [2022-12-14 06:24:40,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_probe [2022-12-14 06:24:40,147 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_buffers [2022-12-14 06:24:40,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_buffers [2022-12-14 06:24:40,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_88 [2022-12-14 06:24:40,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_88 [2022-12-14 06:24:40,147 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_trylock [2022-12-14 06:24:40,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_trylock [2022-12-14 06:24:40,147 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_port_cfg [2022-12-14 06:24:40,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_port_cfg [2022-12-14 06:24:40,148 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2022-12-14 06:24:40,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2022-12-14 06:24:40,148 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_spinlock [2022-12-14 06:24:40,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_spinlock [2022-12-14 06:24:40,148 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-12-14 06:24:40,148 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-12-14 06:24:40,148 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-12-14 06:24:40,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-12-14 06:24:40,148 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_completion_interrupt [2022-12-14 06:24:40,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_completion_interrupt [2022-12-14 06:24:40,148 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_fill_page_desc [2022-12-14 06:24:40,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_fill_page_desc [2022-12-14 06:24:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-12-14 06:24:40,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-12-14 06:24:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clear_routing_entries [2022-12-14 06:24:40,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clear_routing_entries [2022-12-14 06:24:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-12-14 06:24:40,149 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-12-14 06:24:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_off [2022-12-14 06:24:40,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_off [2022-12-14 06:24:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-12-14 06:24:40,149 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-12-14 06:24:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-12-14 06:24:40,149 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-12-14 06:24:40,150 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_tx_timeout [2022-12-14 06:24:40,150 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_tx_timeout [2022-12-14 06:24:40,150 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-12-14 06:24:40,150 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-12-14 06:24:40,150 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mpi_regs [2022-12-14 06:24:40,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mpi_regs [2022-12-14 06:24:40,150 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-12-14 06:24:40,150 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-12-14 06:24:40,150 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-12-14 06:24:40,150 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-12-14 06:24:40,150 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_subqueue [2022-12-14 06:24:40,150 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_subqueue [2022-12-14 06:24:40,151 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_adapter_resources [2022-12-14 06:24:40,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_adapter_resources [2022-12-14 06:24:40,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 06:24:40,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 06:24:40,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 06:24:40,151 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-12-14 06:24:40,151 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-12-14 06:24:40,151 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_resources [2022-12-14 06:24:40,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_resources [2022-12-14 06:24:40,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-14 06:24:40,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-14 06:24:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-12-14 06:24:40,152 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-12-14 06:24:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_interrupts [2022-12-14 06:24:40,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_interrupts [2022-12-14 06:24:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure ql_soft_reset_mpi_risc [2022-12-14 06:24:40,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_soft_reset_mpi_risc [2022-12-14 06:24:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-12-14 06:24:40,152 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-12-14 06:24:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_remove [2022-12-14 06:24:40,152 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_remove [2022-12-14 06:24:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_multicast_list [2022-12-14 06:24:40,153 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_multicast_list [2022-12-14 06:24:40,153 INFO L130 BoogieDeclarations]: Found specification of procedure ql_tx_ring_clean [2022-12-14 06:24:40,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_tx_ring_clean [2022-12-14 06:24:40,153 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-12-14 06:24:40,153 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-12-14 06:24:40,153 INFO L130 BoogieDeclarations]: Found specification of procedure skb_fill_page_desc [2022-12-14 06:24:40,153 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_fill_page_desc [2022-12-14 06:24:40,153 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_mpi_reg [2022-12-14 06:24:40,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_mpi_reg [2022-12-14 06:24:40,153 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clean_inbound_rx_ring [2022-12-14 06:24:40,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clean_inbound_rx_ring [2022-12-14 06:24:40,153 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_subqueue [2022-12-14 06:24:40,154 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_subqueue [2022-12-14 06:24:40,154 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-12-14 06:24:40,154 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-12-14 06:24:40,154 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-12-14 06:24:40,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-12-14 06:24:40,154 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-12-14 06:24:40,154 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-12-14 06:24:40,154 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-12-14 06:24:40,154 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-12-14 06:24:40,154 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2022-12-14 06:24:40,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2022-12-14 06:24:40,154 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-12-14 06:24:40,155 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-12-14 06:24:40,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 06:24:40,155 INFO L130 BoogieDeclarations]: Found specification of procedure ql_validate_flash [2022-12-14 06:24:40,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_validate_flash [2022-12-14 06:24:40,155 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-12-14 06:24:40,155 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-12-14 06:24:40,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-12-14 06:24:40,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-12-14 06:24:40,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-14 06:24:40,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-14 06:24:40,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-12-14 06:24:40,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-12-14 06:24:40,156 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8000_flash_params [2022-12-14 06:24:40,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8000_flash_params [2022-12-14 06:24:40,156 INFO L130 BoogieDeclarations]: Found specification of procedure ql_check_lb_frame [2022-12-14 06:24:40,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_check_lb_frame [2022-12-14 06:24:40,156 INFO L130 BoogieDeclarations]: Found specification of procedure ql_categorize_rx_err [2022-12-14 06:24:40,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_categorize_rx_err [2022-12-14 06:24:40,156 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-12-14 06:24:40,156 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-12-14 06:24:40,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_79 [2022-12-14 06:24:40,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_79 [2022-12-14 06:24:40,156 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_initialize [2022-12-14 06:24:40,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_initialize [2022-12-14 06:24:40,157 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-12-14 06:24:40,157 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-12-14 06:24:40,157 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_sh_reg [2022-12-14 06:24:40,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_sh_reg [2022-12-14 06:24:40,157 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-12-14 06:24:40,157 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-12-14 06:24:40,157 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_db_reg [2022-12-14 06:24:40,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_db_reg [2022-12-14 06:24:40,157 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 06:24:40,157 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 06:24:40,157 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-12-14 06:24:40,158 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-12-14 06:24:40,158 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-12-14 06:24:40,158 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-12-14 06:24:40,158 INFO L130 BoogieDeclarations]: Found specification of procedure ql_unmap_send [2022-12-14 06:24:40,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_unmap_send [2022-12-14 06:24:40,158 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-12-14 06:24:40,158 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-12-14 06:24:40,158 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_routing_reg [2022-12-14 06:24:40,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_routing_reg [2022-12-14 06:24:40,158 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-12-14 06:24:40,158 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-12-14 06:24:40,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-14 06:24:40,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-14 06:24:40,159 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mac_addr_reg [2022-12-14 06:24:40,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mac_addr_reg [2022-12-14 06:24:40,159 INFO L130 BoogieDeclarations]: Found specification of procedure ql_own_firmware [2022-12-14 06:24:40,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_own_firmware [2022-12-14 06:24:40,159 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-12-14 06:24:40,159 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-12-14 06:24:40,159 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_lchunk [2022-12-14 06:24:40,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_lchunk [2022-12-14 06:24:40,159 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-12-14 06:24:40,159 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-12-14 06:24:40,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 06:24:40,160 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr [2022-12-14 06:24:40,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr [2022-12-14 06:24:40,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-12-14 06:24:40,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-12-14 06:24:40,160 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2022-12-14 06:24:40,160 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2022-12-14 06:24:40,160 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_resume [2022-12-14 06:24:40,160 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_resume [2022-12-14 06:24:40,160 INFO L130 BoogieDeclarations]: Found specification of procedure ql_core_dump [2022-12-14 06:24:40,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_core_dump [2022-12-14 06:24:41,227 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 06:24:41,231 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 06:24:41,328 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 06:24:57,719 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 06:25:01,992 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 06:25:01,992 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-12-14 06:25:02,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:25:01 BoogieIcfgContainer [2022-12-14 06:25:02,000 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 06:25:02,002 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 06:25:02,002 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 06:25:02,004 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 06:25:02,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:24:32" (1/3) ... [2022-12-14 06:25:02,005 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63d0091 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:25:02, skipping insertion in model container [2022-12-14 06:25:02,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:24:38" (2/3) ... [2022-12-14 06:25:02,005 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63d0091 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:25:02, skipping insertion in model container [2022-12-14 06:25:02,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:25:01" (3/3) ... [2022-12-14 06:25:02,006 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i [2022-12-14 06:25:02,021 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 06:25:02,021 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-12-14 06:25:02,110 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 06:25:02,115 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;@1b2c351b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 06:25:02,115 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-14 06:25:02,134 INFO L276 IsEmpty]: Start isEmpty. Operand has 3645 states, 2161 states have (on average 1.3021749190189726) internal successors, (2814), 2241 states have internal predecessors, (2814), 1236 states have call successors, (1236), 245 states have call predecessors, (1236), 244 states have return successors, (1230), 1211 states have call predecessors, (1230), 1230 states have call successors, (1230) [2022-12-14 06:25:02,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-14 06:25:02,143 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:25:02,144 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-14 06:25:02,144 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 06:25:02,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:25:02,149 INFO L85 PathProgramCache]: Analyzing trace with hash 138098677, now seen corresponding path program 1 times [2022-12-14 06:25:02,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:25:02,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899854198] [2022-12-14 06:25:02,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:25:02,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:25:02,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:25:03,585 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-14 06:25:03,585 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:25:03,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899854198] [2022-12-14 06:25:03,586 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899854198] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:25:03,586 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:25:03,586 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 06:25:03,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932884367] [2022-12-14 06:25:03,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:25:03,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:25:03,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:25:03,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:25:03,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:25:03,620 INFO L87 Difference]: Start difference. First operand has 3645 states, 2161 states have (on average 1.3021749190189726) internal successors, (2814), 2241 states have internal predecessors, (2814), 1236 states have call successors, (1236), 245 states have call predecessors, (1236), 244 states have return successors, (1230), 1211 states have call predecessors, (1230), 1230 states have call successors, (1230) Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-14 06:25:07,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:25:09,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 06:25:15,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:25:16,952 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:25:18,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:25:20,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:25:24,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:25:27,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:25:27,876 INFO L93 Difference]: Finished difference Result 8997 states and 13027 transitions. [2022-12-14 06:25:27,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 06:25:27,878 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 35 [2022-12-14 06:25:27,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:25:27,910 INFO L225 Difference]: With dead ends: 8997 [2022-12-14 06:25:27,910 INFO L226 Difference]: Without dead ends: 5360 [2022-12-14 06:25:27,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 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 06:25:27,929 INFO L413 NwaCegarLoop]: 5308 mSDtfsCounter, 5226 mSDsluCounter, 12680 mSDsCounter, 0 mSdLazyCounter, 2593 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5248 SdHoareTripleChecker+Valid, 17988 SdHoareTripleChecker+Invalid, 2597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2593 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.7s IncrementalHoareTripleChecker+Time [2022-12-14 06:25:27,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5248 Valid, 17988 Invalid, 2597 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2593 Invalid, 3 Unknown, 0 Unchecked, 23.7s Time] [2022-12-14 06:25:27,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5360 states. [2022-12-14 06:25:28,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5360 to 5352. [2022-12-14 06:25:28,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5352 states, 3201 states have (on average 1.2992814745392065) internal successors, (4159), 3315 states have internal predecessors, (4159), 1753 states have call successors, (1753), 396 states have call predecessors, (1753), 395 states have return successors, (1754), 1722 states have call predecessors, (1754), 1750 states have call successors, (1754) [2022-12-14 06:25:28,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5352 states to 5352 states and 7666 transitions. [2022-12-14 06:25:28,290 INFO L78 Accepts]: Start accepts. Automaton has 5352 states and 7666 transitions. Word has length 35 [2022-12-14 06:25:28,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:25:28,291 INFO L495 AbstractCegarLoop]: Abstraction has 5352 states and 7666 transitions. [2022-12-14 06:25:28,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-14 06:25:28,291 INFO L276 IsEmpty]: Start isEmpty. Operand 5352 states and 7666 transitions. [2022-12-14 06:25:28,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-14 06:25:28,293 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:25:28,293 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:25:28,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 06:25:28,294 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 06:25:28,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:25:28,294 INFO L85 PathProgramCache]: Analyzing trace with hash -321877288, now seen corresponding path program 1 times [2022-12-14 06:25:28,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:25:28,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90758315] [2022-12-14 06:25:28,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:25:28,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:25:28,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:25:29,075 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-14 06:25:29,076 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:25:29,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90758315] [2022-12-14 06:25:29,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90758315] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:25:29,076 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:25:29,076 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 06:25:29,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110748753] [2022-12-14 06:25:29,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:25:29,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:25:29,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:25:29,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:25:29,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:25:29,079 INFO L87 Difference]: Start difference. First operand 5352 states and 7666 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-14 06:25:32,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:25:34,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 06:25:36,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:25:38,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:25:40,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:25:43,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:25:45,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:25:47,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:25:48,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:25:50,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:25:51,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:25:56,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:25:58,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:26:02,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:26:02,247 INFO L93 Difference]: Finished difference Result 7077 states and 10077 transitions. [2022-12-14 06:26:02,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 06:26:02,248 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 40 [2022-12-14 06:26:02,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:26:02,274 INFO L225 Difference]: With dead ends: 7077 [2022-12-14 06:26:02,274 INFO L226 Difference]: Without dead ends: 7075 [2022-12-14 06:26:02,276 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 06:26:02,277 INFO L413 NwaCegarLoop]: 5256 mSDtfsCounter, 5226 mSDsluCounter, 12568 mSDsCounter, 0 mSdLazyCounter, 2569 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5245 SdHoareTripleChecker+Valid, 17824 SdHoareTripleChecker+Invalid, 2576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2569 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.7s IncrementalHoareTripleChecker+Time [2022-12-14 06:26:02,277 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5245 Valid, 17824 Invalid, 2576 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2569 Invalid, 6 Unknown, 0 Unchecked, 32.7s Time] [2022-12-14 06:26:02,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7075 states. [2022-12-14 06:26:02,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7075 to 7067. [2022-12-14 06:26:02,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7067 states, 4246 states have (on average 1.3000471031559115) internal successors, (5520), 4396 states have internal predecessors, (5520), 2273 states have call successors, (2273), 546 states have call predecessors, (2273), 545 states have return successors, (2275), 2234 states have call predecessors, (2275), 2270 states have call successors, (2275) [2022-12-14 06:26:02,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7067 states to 7067 states and 10068 transitions. [2022-12-14 06:26:02,518 INFO L78 Accepts]: Start accepts. Automaton has 7067 states and 10068 transitions. Word has length 40 [2022-12-14 06:26:02,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:26:02,518 INFO L495 AbstractCegarLoop]: Abstraction has 7067 states and 10068 transitions. [2022-12-14 06:26:02,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-14 06:26:02,519 INFO L276 IsEmpty]: Start isEmpty. Operand 7067 states and 10068 transitions. [2022-12-14 06:26:02,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-14 06:26:02,519 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:26:02,519 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:26:02,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 06:26:02,520 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 06:26:02,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:26:02,520 INFO L85 PathProgramCache]: Analyzing trace with hash 238527893, now seen corresponding path program 1 times [2022-12-14 06:26:02,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:26:02,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676270917] [2022-12-14 06:26:02,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:26:02,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:26:02,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:26:03,348 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-14 06:26:03,348 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:26:03,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676270917] [2022-12-14 06:26:03,348 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676270917] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:26:03,348 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:26:03,349 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 06:26:03,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797115057] [2022-12-14 06:26:03,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:26:03,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:26:03,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:26:03,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:26:03,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:26:03,350 INFO L87 Difference]: Start difference. First operand 7067 states and 10068 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-14 06:26:06,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:26:08,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 06:26:11,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:26:15,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:26:17,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:26:23,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:26:23,833 INFO L93 Difference]: Finished difference Result 8772 states and 12450 transitions. [2022-12-14 06:26:23,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 06:26:23,833 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 45 [2022-12-14 06:26:23,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:26:23,861 INFO L225 Difference]: With dead ends: 8772 [2022-12-14 06:26:23,861 INFO L226 Difference]: Without dead ends: 8770 [2022-12-14 06:26:23,869 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 06:26:23,869 INFO L413 NwaCegarLoop]: 5255 mSDtfsCounter, 5192 mSDsluCounter, 12566 mSDsCounter, 0 mSdLazyCounter, 2565 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5211 SdHoareTripleChecker+Valid, 17821 SdHoareTripleChecker+Invalid, 2570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2565 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.1s IncrementalHoareTripleChecker+Time [2022-12-14 06:26:23,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5211 Valid, 17821 Invalid, 2570 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2565 Invalid, 4 Unknown, 0 Unchecked, 20.1s Time] [2022-12-14 06:26:23,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8770 states. [2022-12-14 06:26:24,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8770 to 8762. [2022-12-14 06:26:24,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8762 states, 5275 states have (on average 1.3000947867298578) internal successors, (6858), 5461 states have internal predecessors, (6858), 2789 states have call successors, (2789), 696 states have call predecessors, (2789), 695 states have return successors, (2794), 2742 states have call predecessors, (2794), 2786 states have call successors, (2794) [2022-12-14 06:26:24,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8762 states to 8762 states and 12441 transitions. [2022-12-14 06:26:24,156 INFO L78 Accepts]: Start accepts. Automaton has 8762 states and 12441 transitions. Word has length 45 [2022-12-14 06:26:24,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:26:24,157 INFO L495 AbstractCegarLoop]: Abstraction has 8762 states and 12441 transitions. [2022-12-14 06:26:24,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-14 06:26:24,157 INFO L276 IsEmpty]: Start isEmpty. Operand 8762 states and 12441 transitions. [2022-12-14 06:26:24,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-12-14 06:26:24,158 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:26:24,158 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:26:24,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 06:26:24,158 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 06:26:24,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:26:24,158 INFO L85 PathProgramCache]: Analyzing trace with hash -50088788, now seen corresponding path program 1 times [2022-12-14 06:26:24,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:26:24,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123303219] [2022-12-14 06:26:24,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:26:24,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:26:24,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:26:24,825 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-12-14 06:26:24,825 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:26:24,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123303219] [2022-12-14 06:26:24,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123303219] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:26:24,825 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:26:24,826 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 06:26:24,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280913181] [2022-12-14 06:26:24,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:26:24,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:26:24,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:26:24,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:26:24,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:26:24,827 INFO L87 Difference]: Start difference. First operand 8762 states and 12441 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-14 06:26:28,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:26:30,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 06:26:39,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:26:42,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:26:51,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:26:51,565 INFO L93 Difference]: Finished difference Result 17038 states and 24285 transitions. [2022-12-14 06:26:51,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 06:26:51,566 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 56 [2022-12-14 06:26:51,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:26:51,633 INFO L225 Difference]: With dead ends: 17038 [2022-12-14 06:26:51,633 INFO L226 Difference]: Without dead ends: 17036 [2022-12-14 06:26:51,646 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 06:26:51,646 INFO L413 NwaCegarLoop]: 7457 mSDtfsCounter, 5160 mSDsluCounter, 19355 mSDsCounter, 0 mSdLazyCounter, 3828 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5174 SdHoareTripleChecker+Valid, 26812 SdHoareTripleChecker+Invalid, 3835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 3828 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.2s IncrementalHoareTripleChecker+Time [2022-12-14 06:26:51,647 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5174 Valid, 26812 Invalid, 3835 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 3828 Invalid, 4 Unknown, 0 Unchecked, 26.2s Time] [2022-12-14 06:26:51,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17036 states. [2022-12-14 06:26:52,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17036 to 17024. [2022-12-14 06:26:52,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17024 states, 10258 states have (on average 1.3020081887307466) internal successors, (13356), 10632 states have internal predecessors, (13356), 5407 states have call successors, (5407), 1366 states have call predecessors, (5407), 1356 states have return successors, (5511), 5296 states have call predecessors, (5511), 5401 states have call successors, (5511) [2022-12-14 06:26:52,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17024 states to 17024 states and 24274 transitions. [2022-12-14 06:26:52,230 INFO L78 Accepts]: Start accepts. Automaton has 17024 states and 24274 transitions. Word has length 56 [2022-12-14 06:26:52,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:26:52,231 INFO L495 AbstractCegarLoop]: Abstraction has 17024 states and 24274 transitions. [2022-12-14 06:26:52,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-14 06:26:52,232 INFO L276 IsEmpty]: Start isEmpty. Operand 17024 states and 24274 transitions. [2022-12-14 06:26:52,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-12-14 06:26:52,233 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:26:52,233 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 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] [2022-12-14 06:26:52,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 06:26:52,233 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 06:26:52,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:26:52,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1521564469, now seen corresponding path program 1 times [2022-12-14 06:26:52,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:26:52,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286341219] [2022-12-14 06:26:52,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:26:52,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:26:52,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:26:52,850 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-12-14 06:26:52,850 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:26:52,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286341219] [2022-12-14 06:26:52,850 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286341219] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:26:52,850 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:26:52,850 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 06:26:52,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489246211] [2022-12-14 06:26:52,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:26:52,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:26:52,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:26:52,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:26:52,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:26:52,852 INFO L87 Difference]: Start difference. First operand 17024 states and 24274 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-14 06:26:56,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:26:58,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 06:27:03,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:27:04,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:27:06,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:27:11,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:27:15,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:27:15,000 INFO L93 Difference]: Finished difference Result 17042 states and 24290 transitions. [2022-12-14 06:27:15,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 06:27:15,000 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 55 [2022-12-14 06:27:15,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:27:15,062 INFO L225 Difference]: With dead ends: 17042 [2022-12-14 06:27:15,062 INFO L226 Difference]: Without dead ends: 17040 [2022-12-14 06:27:15,073 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 06:27:15,074 INFO L413 NwaCegarLoop]: 5256 mSDtfsCounter, 5204 mSDsluCounter, 12568 mSDsCounter, 0 mSdLazyCounter, 2569 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5221 SdHoareTripleChecker+Valid, 17824 SdHoareTripleChecker+Invalid, 2573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2569 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.6s IncrementalHoareTripleChecker+Time [2022-12-14 06:27:15,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5221 Valid, 17824 Invalid, 2573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2569 Invalid, 3 Unknown, 0 Unchecked, 21.6s Time] [2022-12-14 06:27:15,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17040 states. [2022-12-14 06:27:15,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17040 to 17035. [2022-12-14 06:27:15,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17035 states, 10266 states have (on average 1.3017728423923631) internal successors, (13364), 10640 states have internal predecessors, (13364), 5407 states have call successors, (5407), 1368 states have call predecessors, (5407), 1359 states have return successors, (5513), 5297 states have call predecessors, (5513), 5401 states have call successors, (5513) [2022-12-14 06:27:15,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17035 states to 17035 states and 24284 transitions. [2022-12-14 06:27:15,699 INFO L78 Accepts]: Start accepts. Automaton has 17035 states and 24284 transitions. Word has length 55 [2022-12-14 06:27:15,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:27:15,700 INFO L495 AbstractCegarLoop]: Abstraction has 17035 states and 24284 transitions. [2022-12-14 06:27:15,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-14 06:27:15,700 INFO L276 IsEmpty]: Start isEmpty. Operand 17035 states and 24284 transitions. [2022-12-14 06:27:15,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-12-14 06:27:15,701 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:27:15,701 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 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] [2022-12-14 06:27:15,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 06:27:15,701 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 06:27:15,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:27:15,701 INFO L85 PathProgramCache]: Analyzing trace with hash 1078914712, now seen corresponding path program 1 times [2022-12-14 06:27:15,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:27:15,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991090473] [2022-12-14 06:27:15,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:27:15,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:27:15,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:27:16,351 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-12-14 06:27:16,351 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:27:16,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991090473] [2022-12-14 06:27:16,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991090473] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:27:16,352 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:27:16,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 06:27:16,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859437337] [2022-12-14 06:27:16,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:27:16,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:27:16,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:27:16,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:27:16,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:27:16,353 INFO L87 Difference]: Start difference. First operand 17035 states and 24284 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-14 06:27:19,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:27:21,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 06:27:28,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:27:38,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:27:38,176 INFO L93 Difference]: Finished difference Result 17050 states and 24296 transitions. [2022-12-14 06:27:38,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 06:27:38,177 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 60 [2022-12-14 06:27:38,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:27:38,235 INFO L225 Difference]: With dead ends: 17050 [2022-12-14 06:27:38,235 INFO L226 Difference]: Without dead ends: 17048 [2022-12-14 06:27:38,246 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 06:27:38,246 INFO L413 NwaCegarLoop]: 5256 mSDtfsCounter, 5204 mSDsluCounter, 12568 mSDsCounter, 0 mSdLazyCounter, 2569 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5220 SdHoareTripleChecker+Valid, 17824 SdHoareTripleChecker+Invalid, 2573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2569 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.3s IncrementalHoareTripleChecker+Time [2022-12-14 06:27:38,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5220 Valid, 17824 Invalid, 2573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2569 Invalid, 3 Unknown, 0 Unchecked, 21.3s Time] [2022-12-14 06:27:38,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17048 states. [2022-12-14 06:27:38,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17048 to 17043. [2022-12-14 06:27:38,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17043 states, 10272 states have (on average 1.3015965732087227) internal successors, (13370), 10646 states have internal predecessors, (13370), 5407 states have call successors, (5407), 1370 states have call predecessors, (5407), 1361 states have return successors, (5513), 5297 states have call predecessors, (5513), 5401 states have call successors, (5513) [2022-12-14 06:27:38,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17043 states to 17043 states and 24290 transitions. [2022-12-14 06:27:38,908 INFO L78 Accepts]: Start accepts. Automaton has 17043 states and 24290 transitions. Word has length 60 [2022-12-14 06:27:38,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:27:38,908 INFO L495 AbstractCegarLoop]: Abstraction has 17043 states and 24290 transitions. [2022-12-14 06:27:38,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-14 06:27:38,908 INFO L276 IsEmpty]: Start isEmpty. Operand 17043 states and 24290 transitions. [2022-12-14 06:27:38,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-12-14 06:27:38,909 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:27:38,909 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 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] [2022-12-14 06:27:38,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 06:27:38,909 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 06:27:38,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:27:38,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1901459669, now seen corresponding path program 1 times [2022-12-14 06:27:38,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:27:38,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691683462] [2022-12-14 06:27:38,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:27:38,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:27:39,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:27:39,598 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-12-14 06:27:39,598 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:27:39,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691683462] [2022-12-14 06:27:39,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691683462] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:27:39,598 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:27:39,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 06:27:39,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804708704] [2022-12-14 06:27:39,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:27:39,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:27:39,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:27:39,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:27:39,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:27:39,600 INFO L87 Difference]: Start difference. First operand 17043 states and 24290 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-14 06:27:42,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:27:44,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 06:27:51,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:27:53,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:28:00,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:28:00,360 INFO L93 Difference]: Finished difference Result 17058 states and 24302 transitions. [2022-12-14 06:28:00,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 06:28:00,361 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 65 [2022-12-14 06:28:00,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:28:00,401 INFO L225 Difference]: With dead ends: 17058 [2022-12-14 06:28:00,401 INFO L226 Difference]: Without dead ends: 17056 [2022-12-14 06:28:00,407 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 06:28:00,407 INFO L413 NwaCegarLoop]: 5254 mSDtfsCounter, 5192 mSDsluCounter, 12564 mSDsCounter, 0 mSdLazyCounter, 2565 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5207 SdHoareTripleChecker+Valid, 17818 SdHoareTripleChecker+Invalid, 2570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2565 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.1s IncrementalHoareTripleChecker+Time [2022-12-14 06:28:00,407 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5207 Valid, 17818 Invalid, 2570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2565 Invalid, 4 Unknown, 0 Unchecked, 20.1s Time] [2022-12-14 06:28:00,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17056 states. [2022-12-14 06:28:00,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17056 to 17051. [2022-12-14 06:28:00,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17051 states, 10278 states have (on average 1.3014205098268146) internal successors, (13376), 10652 states have internal predecessors, (13376), 5407 states have call successors, (5407), 1372 states have call predecessors, (5407), 1363 states have return successors, (5513), 5297 states have call predecessors, (5513), 5401 states have call successors, (5513) [2022-12-14 06:28:01,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17051 states to 17051 states and 24296 transitions. [2022-12-14 06:28:01,006 INFO L78 Accepts]: Start accepts. Automaton has 17051 states and 24296 transitions. Word has length 65 [2022-12-14 06:28:01,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:28:01,006 INFO L495 AbstractCegarLoop]: Abstraction has 17051 states and 24296 transitions. [2022-12-14 06:28:01,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-14 06:28:01,006 INFO L276 IsEmpty]: Start isEmpty. Operand 17051 states and 24296 transitions. [2022-12-14 06:28:01,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-12-14 06:28:01,007 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:28:01,007 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:28:01,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 06:28:01,007 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 06:28:01,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:28:01,007 INFO L85 PathProgramCache]: Analyzing trace with hash 226903660, now seen corresponding path program 1 times [2022-12-14 06:28:01,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:28:01,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836189953] [2022-12-14 06:28:01,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:28:01,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:28:01,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:28:01,576 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-12-14 06:28:01,577 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:28:01,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836189953] [2022-12-14 06:28:01,577 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836189953] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:28:01,577 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:28:01,577 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 06:28:01,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049830035] [2022-12-14 06:28:01,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:28:01,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:28:01,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:28:01,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:28:01,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:28:01,578 INFO L87 Difference]: Start difference. First operand 17051 states and 24296 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 06:28:05,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:28:07,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:28:09,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 06:28:15,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:28:17,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:28:19,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:28:21,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:28:24,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:28:26,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:28:28,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:28:30,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:28:32,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:28:34,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:28:35,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:28:36,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:28:43,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:28:43,777 INFO L93 Difference]: Finished difference Result 17455 states and 24874 transitions. [2022-12-14 06:28:43,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 06:28:43,778 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 76 [2022-12-14 06:28:43,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:28:43,827 INFO L225 Difference]: With dead ends: 17455 [2022-12-14 06:28:43,828 INFO L226 Difference]: Without dead ends: 17453 [2022-12-14 06:28:43,837 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 06:28:43,837 INFO L413 NwaCegarLoop]: 5428 mSDtfsCounter, 5228 mSDsluCounter, 12889 mSDsCounter, 0 mSdLazyCounter, 2680 mSolverCounterSat, 1 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5239 SdHoareTripleChecker+Valid, 18317 SdHoareTripleChecker+Invalid, 2690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2680 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.5s IncrementalHoareTripleChecker+Time [2022-12-14 06:28:43,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5239 Valid, 18317 Invalid, 2690 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2680 Invalid, 9 Unknown, 0 Unchecked, 41.5s Time] [2022-12-14 06:28:43,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17453 states. [2022-12-14 06:28:44,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17453 to 17448. [2022-12-14 06:28:44,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17448 states, 10525 states have (on average 1.303562945368171) internal successors, (13720), 10910 states have internal predecessors, (13720), 5521 states have call successors, (5521), 1408 states have call predecessors, (5521), 1399 states have return successors, (5627), 5409 states have call predecessors, (5627), 5515 states have call successors, (5627) [2022-12-14 06:28:44,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17448 states to 17448 states and 24868 transitions. [2022-12-14 06:28:44,481 INFO L78 Accepts]: Start accepts. Automaton has 17448 states and 24868 transitions. Word has length 76 [2022-12-14 06:28:44,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:28:44,481 INFO L495 AbstractCegarLoop]: Abstraction has 17448 states and 24868 transitions. [2022-12-14 06:28:44,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 06:28:44,482 INFO L276 IsEmpty]: Start isEmpty. Operand 17448 states and 24868 transitions. [2022-12-14 06:28:44,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-12-14 06:28:44,482 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:28:44,483 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 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] [2022-12-14 06:28:44,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 06:28:44,483 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 06:28:44,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:28:44,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1806442891, now seen corresponding path program 1 times [2022-12-14 06:28:44,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:28:44,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847851669] [2022-12-14 06:28:44,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:28:44,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:28:44,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:28:45,094 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2022-12-14 06:28:45,095 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:28:45,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847851669] [2022-12-14 06:28:45,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847851669] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:28:45,095 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:28:45,095 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 06:28:45,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120441670] [2022-12-14 06:28:45,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:28:45,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:28:45,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:28:45,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:28:45,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:28:45,097 INFO L87 Difference]: Start difference. First operand 17448 states and 24868 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 06:28:48,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:28:50,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 06:28:57,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:28:59,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:29:01,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:29:03,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:29:05,990 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:29:07,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:29:09,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:29:11,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:29:13,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:29:15,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:29:21,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:29:21,697 INFO L93 Difference]: Finished difference Result 17463 states and 24880 transitions. [2022-12-14 06:29:21,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 06:29:21,698 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 75 [2022-12-14 06:29:21,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:29:21,743 INFO L225 Difference]: With dead ends: 17463 [2022-12-14 06:29:21,743 INFO L226 Difference]: Without dead ends: 17461 [2022-12-14 06:29:21,751 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 06:29:21,752 INFO L413 NwaCegarLoop]: 5431 mSDtfsCounter, 5204 mSDsluCounter, 12918 mSDsCounter, 0 mSdLazyCounter, 2686 mSolverCounterSat, 1 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5217 SdHoareTripleChecker+Valid, 18349 SdHoareTripleChecker+Invalid, 2694 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2686 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.9s IncrementalHoareTripleChecker+Time [2022-12-14 06:29:21,752 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5217 Valid, 18349 Invalid, 2694 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2686 Invalid, 7 Unknown, 0 Unchecked, 35.9s Time] [2022-12-14 06:29:21,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17461 states. [2022-12-14 06:29:22,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17461 to 17456. [2022-12-14 06:29:22,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17456 states, 10531 states have (on average 1.303389991453803) internal successors, (13726), 10916 states have internal predecessors, (13726), 5521 states have call successors, (5521), 1410 states have call predecessors, (5521), 1401 states have return successors, (5627), 5409 states have call predecessors, (5627), 5515 states have call successors, (5627) [2022-12-14 06:29:22,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17456 states to 17456 states and 24874 transitions. [2022-12-14 06:29:22,409 INFO L78 Accepts]: Start accepts. Automaton has 17456 states and 24874 transitions. Word has length 75 [2022-12-14 06:29:22,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:29:22,410 INFO L495 AbstractCegarLoop]: Abstraction has 17456 states and 24874 transitions. [2022-12-14 06:29:22,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 06:29:22,410 INFO L276 IsEmpty]: Start isEmpty. Operand 17456 states and 24874 transitions. [2022-12-14 06:29:22,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-12-14 06:29:22,411 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:29:22,411 INFO L195 NwaCegarLoop]: trace histogram [10, 9, 9, 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] [2022-12-14 06:29:22,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 06:29:22,411 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 06:29:22,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:29:22,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1334096472, now seen corresponding path program 1 times [2022-12-14 06:29:22,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:29:22,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752916452] [2022-12-14 06:29:22,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:29:22,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:29:22,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:29:22,998 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-12-14 06:29:22,998 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:29:22,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752916452] [2022-12-14 06:29:22,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752916452] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:29:22,998 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:29:22,999 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 06:29:22,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718370866] [2022-12-14 06:29:22,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:29:22,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:29:22,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:29:23,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:29:23,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:29:23,000 INFO L87 Difference]: Start difference. First operand 17456 states and 24874 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-14 06:29:26,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:29:28,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 06:29:32,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:29:36,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:29:38,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:29:40,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:29:41,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:29:44,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:29:51,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:29:51,268 INFO L93 Difference]: Finished difference Result 17471 states and 24886 transitions. [2022-12-14 06:29:51,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 06:29:51,268 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 80 [2022-12-14 06:29:51,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:29:51,316 INFO L225 Difference]: With dead ends: 17471 [2022-12-14 06:29:51,316 INFO L226 Difference]: Without dead ends: 17469 [2022-12-14 06:29:51,324 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 06:29:51,325 INFO L413 NwaCegarLoop]: 5431 mSDtfsCounter, 5204 mSDsluCounter, 12918 mSDsCounter, 0 mSdLazyCounter, 2685 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5216 SdHoareTripleChecker+Valid, 18349 SdHoareTripleChecker+Invalid, 2690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2685 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.5s IncrementalHoareTripleChecker+Time [2022-12-14 06:29:51,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5216 Valid, 18349 Invalid, 2690 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2685 Invalid, 4 Unknown, 0 Unchecked, 27.5s Time] [2022-12-14 06:29:51,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17469 states. [2022-12-14 06:29:51,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17469 to 17464. [2022-12-14 06:29:51,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17464 states, 10537 states have (on average 1.3032172345069755) internal successors, (13732), 10922 states have internal predecessors, (13732), 5521 states have call successors, (5521), 1412 states have call predecessors, (5521), 1403 states have return successors, (5627), 5409 states have call predecessors, (5627), 5515 states have call successors, (5627) [2022-12-14 06:29:52,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17464 states to 17464 states and 24880 transitions. [2022-12-14 06:29:52,051 INFO L78 Accepts]: Start accepts. Automaton has 17464 states and 24880 transitions. Word has length 80 [2022-12-14 06:29:52,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:29:52,051 INFO L495 AbstractCegarLoop]: Abstraction has 17464 states and 24880 transitions. [2022-12-14 06:29:52,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-14 06:29:52,051 INFO L276 IsEmpty]: Start isEmpty. Operand 17464 states and 24880 transitions. [2022-12-14 06:29:52,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-12-14 06:29:52,052 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:29:52,052 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:29:52,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 06:29:52,053 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 06:29:52,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:29:52,053 INFO L85 PathProgramCache]: Analyzing trace with hash 1120265121, now seen corresponding path program 1 times [2022-12-14 06:29:52,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:29:52,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932299275] [2022-12-14 06:29:52,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:29:52,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:29:52,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:29:52,613 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-12-14 06:29:52,613 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:29:52,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932299275] [2022-12-14 06:29:52,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932299275] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:29:52,613 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:29:52,613 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 06:29:52,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460525550] [2022-12-14 06:29:52,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:29:52,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:29:52,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:29:52,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:29:52,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:29:52,614 INFO L87 Difference]: Start difference. First operand 17464 states and 24880 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-14 06:29:56,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:29:58,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 06:30:04,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:30:06,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:30:13,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:30:13,412 INFO L93 Difference]: Finished difference Result 17479 states and 24892 transitions. [2022-12-14 06:30:13,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 06:30:13,412 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 91 [2022-12-14 06:30:13,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:30:13,452 INFO L225 Difference]: With dead ends: 17479 [2022-12-14 06:30:13,452 INFO L226 Difference]: Without dead ends: 17477 [2022-12-14 06:30:13,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 06:30:13,458 INFO L413 NwaCegarLoop]: 5420 mSDtfsCounter, 5194 mSDsluCounter, 12873 mSDsCounter, 0 mSdLazyCounter, 2668 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5203 SdHoareTripleChecker+Valid, 18293 SdHoareTripleChecker+Invalid, 2673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2668 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.0s IncrementalHoareTripleChecker+Time [2022-12-14 06:30:13,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5203 Valid, 18293 Invalid, 2673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2668 Invalid, 4 Unknown, 0 Unchecked, 20.0s Time] [2022-12-14 06:30:13,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17477 states. [2022-12-14 06:30:14,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17477 to 17472. [2022-12-14 06:30:14,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17472 states, 10543 states have (on average 1.3030446741914066) internal successors, (13738), 10928 states have internal predecessors, (13738), 5521 states have call successors, (5521), 1414 states have call predecessors, (5521), 1405 states have return successors, (5627), 5409 states have call predecessors, (5627), 5515 states have call successors, (5627) [2022-12-14 06:30:14,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17472 states to 17472 states and 24886 transitions. [2022-12-14 06:30:14,180 INFO L78 Accepts]: Start accepts. Automaton has 17472 states and 24886 transitions. Word has length 91 [2022-12-14 06:30:14,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:30:14,181 INFO L495 AbstractCegarLoop]: Abstraction has 17472 states and 24886 transitions. [2022-12-14 06:30:14,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-14 06:30:14,181 INFO L276 IsEmpty]: Start isEmpty. Operand 17472 states and 24886 transitions. [2022-12-14 06:30:14,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-12-14 06:30:14,182 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:30:14,182 INFO L195 NwaCegarLoop]: trace histogram [12, 11, 11, 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] [2022-12-14 06:30:14,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 06:30:14,182 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 06:30:14,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:30:14,183 INFO L85 PathProgramCache]: Analyzing trace with hash -1159636936, now seen corresponding path program 1 times [2022-12-14 06:30:14,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:30:14,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629738812] [2022-12-14 06:30:14,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:30:14,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:30:14,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:30:14,736 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2022-12-14 06:30:14,737 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:30:14,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629738812] [2022-12-14 06:30:14,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629738812] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:30:14,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:30:14,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 06:30:14,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38945963] [2022-12-14 06:30:14,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:30:14,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:30:14,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:30:14,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:30:14,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:30:14,738 INFO L87 Difference]: Start difference. First operand 17472 states and 24886 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-14 06:30:18,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:30:20,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 06:30:23,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:30:26,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:30:28,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:30:30,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:30:32,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:30:35,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:30:37,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:30:39,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:30:41,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:30:42,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:30:44,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:30:50,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:30:50,883 INFO L93 Difference]: Finished difference Result 17487 states and 24898 transitions. [2022-12-14 06:30:50,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 06:30:50,884 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 90 [2022-12-14 06:30:50,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:30:50,922 INFO L225 Difference]: With dead ends: 17487 [2022-12-14 06:30:50,922 INFO L226 Difference]: Without dead ends: 17485 [2022-12-14 06:30:50,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 06:30:50,928 INFO L413 NwaCegarLoop]: 5433 mSDtfsCounter, 5226 mSDsluCounter, 12922 mSDsCounter, 0 mSdLazyCounter, 2687 mSolverCounterSat, 1 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5235 SdHoareTripleChecker+Valid, 18355 SdHoareTripleChecker+Invalid, 2695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2687 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.4s IncrementalHoareTripleChecker+Time [2022-12-14 06:30:50,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5235 Valid, 18355 Invalid, 2695 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2687 Invalid, 7 Unknown, 0 Unchecked, 35.4s Time] [2022-12-14 06:30:50,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17485 states. [2022-12-14 06:30:51,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17485 to 17480. [2022-12-14 06:30:51,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17480 states, 10549 states have (on average 1.3028723101715802) internal successors, (13744), 10934 states have internal predecessors, (13744), 5521 states have call successors, (5521), 1416 states have call predecessors, (5521), 1407 states have return successors, (5627), 5409 states have call predecessors, (5627), 5515 states have call successors, (5627) [2022-12-14 06:30:51,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17480 states to 17480 states and 24892 transitions. [2022-12-14 06:30:51,679 INFO L78 Accepts]: Start accepts. Automaton has 17480 states and 24892 transitions. Word has length 90 [2022-12-14 06:30:51,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:30:51,680 INFO L495 AbstractCegarLoop]: Abstraction has 17480 states and 24892 transitions. [2022-12-14 06:30:51,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-14 06:30:51,680 INFO L276 IsEmpty]: Start isEmpty. Operand 17480 states and 24892 transitions. [2022-12-14 06:30:51,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-12-14 06:30:51,681 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:30:51,682 INFO L195 NwaCegarLoop]: trace histogram [13, 12, 12, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:30:51,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 06:30:51,682 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 06:30:51,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:30:51,682 INFO L85 PathProgramCache]: Analyzing trace with hash -1651959231, now seen corresponding path program 1 times [2022-12-14 06:30:51,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:30:51,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115918578] [2022-12-14 06:30:51,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:30:51,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:30:51,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:30:52,267 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2022-12-14 06:30:52,267 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:30:52,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115918578] [2022-12-14 06:30:52,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115918578] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:30:52,268 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:30:52,268 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 06:30:52,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584562391] [2022-12-14 06:30:52,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:30:52,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:30:52,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:30:52,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:30:52,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:30:52,269 INFO L87 Difference]: Start difference. First operand 17480 states and 24892 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-14 06:30:55,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:30:57,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 06:31:01,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:31:06,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:31:08,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:31:09,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:31:11,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:31:13,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:31:17,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:31:19,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:31:25,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:31:25,200 INFO L93 Difference]: Finished difference Result 17495 states and 24904 transitions. [2022-12-14 06:31:25,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 06:31:25,201 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 101 [2022-12-14 06:31:25,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:31:25,246 INFO L225 Difference]: With dead ends: 17495 [2022-12-14 06:31:25,246 INFO L226 Difference]: Without dead ends: 17493 [2022-12-14 06:31:25,254 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 06:31:25,254 INFO L413 NwaCegarLoop]: 5431 mSDtfsCounter, 5200 mSDsluCounter, 12918 mSDsCounter, 0 mSdLazyCounter, 2684 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5209 SdHoareTripleChecker+Valid, 18349 SdHoareTripleChecker+Invalid, 2690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2684 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.1s IncrementalHoareTripleChecker+Time [2022-12-14 06:31:25,255 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5209 Valid, 18349 Invalid, 2690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2684 Invalid, 5 Unknown, 0 Unchecked, 32.1s Time] [2022-12-14 06:31:25,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17493 states. [2022-12-14 06:31:25,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17493 to 17488. [2022-12-14 06:31:26,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17488 states, 10555 states have (on average 1.3027001421127429) internal successors, (13750), 10940 states have internal predecessors, (13750), 5521 states have call successors, (5521), 1418 states have call predecessors, (5521), 1409 states have return successors, (5627), 5409 states have call predecessors, (5627), 5515 states have call successors, (5627) [2022-12-14 06:31:26,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17488 states to 17488 states and 24898 transitions. [2022-12-14 06:31:26,059 INFO L78 Accepts]: Start accepts. Automaton has 17488 states and 24898 transitions. Word has length 101 [2022-12-14 06:31:26,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:31:26,060 INFO L495 AbstractCegarLoop]: Abstraction has 17488 states and 24898 transitions. [2022-12-14 06:31:26,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-14 06:31:26,060 INFO L276 IsEmpty]: Start isEmpty. Operand 17488 states and 24898 transitions. [2022-12-14 06:31:26,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-12-14 06:31:26,061 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:31:26,061 INFO L195 NwaCegarLoop]: trace histogram [14, 13, 13, 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, 1, 1] [2022-12-14 06:31:26,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 06:31:26,062 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 06:31:26,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:31:26,062 INFO L85 PathProgramCache]: Analyzing trace with hash 1963054616, now seen corresponding path program 1 times [2022-12-14 06:31:26,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:31:26,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603637367] [2022-12-14 06:31:26,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:31:26,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:31:26,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:31:26,626 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 323 trivial. 0 not checked. [2022-12-14 06:31:26,626 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:31:26,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603637367] [2022-12-14 06:31:26,626 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603637367] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:31:26,627 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:31:26,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 06:31:26,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332050509] [2022-12-14 06:31:26,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:31:26,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:31:26,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:31:26,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:31:26,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:31:26,628 INFO L87 Difference]: Start difference. First operand 17488 states and 24898 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-14 06:31:30,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:31:32,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 06:31:35,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:31:37,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:31:41,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:31:43,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:31:50,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:31:50,294 INFO L93 Difference]: Finished difference Result 17503 states and 24910 transitions. [2022-12-14 06:31:50,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 06:31:50,294 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 100 [2022-12-14 06:31:50,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:31:50,332 INFO L225 Difference]: With dead ends: 17503 [2022-12-14 06:31:50,332 INFO L226 Difference]: Without dead ends: 17501 [2022-12-14 06:31:50,336 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 06:31:50,336 INFO L413 NwaCegarLoop]: 5425 mSDtfsCounter, 5192 mSDsluCounter, 12906 mSDsCounter, 0 mSdLazyCounter, 2672 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5200 SdHoareTripleChecker+Valid, 18331 SdHoareTripleChecker+Invalid, 2678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2672 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.6s IncrementalHoareTripleChecker+Time [2022-12-14 06:31:50,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5200 Valid, 18331 Invalid, 2678 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2672 Invalid, 5 Unknown, 0 Unchecked, 22.6s Time] [2022-12-14 06:31:50,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17501 states. [2022-12-14 06:31:51,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17501 to 17496. [2022-12-14 06:31:51,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17496 states, 10561 states have (on average 1.3025281696809015) internal successors, (13756), 10946 states have internal predecessors, (13756), 5521 states have call successors, (5521), 1420 states have call predecessors, (5521), 1411 states have return successors, (5627), 5409 states have call predecessors, (5627), 5515 states have call successors, (5627) [2022-12-14 06:31:51,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17496 states to 17496 states and 24904 transitions. [2022-12-14 06:31:51,164 INFO L78 Accepts]: Start accepts. Automaton has 17496 states and 24904 transitions. Word has length 100 [2022-12-14 06:31:51,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:31:51,165 INFO L495 AbstractCegarLoop]: Abstraction has 17496 states and 24904 transitions. [2022-12-14 06:31:51,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-14 06:31:51,165 INFO L276 IsEmpty]: Start isEmpty. Operand 17496 states and 24904 transitions. [2022-12-14 06:31:51,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-12-14 06:31:51,166 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:31:51,166 INFO L195 NwaCegarLoop]: trace histogram [15, 14, 14, 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, 1, 1, 1, 1] [2022-12-14 06:31:51,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 06:31:51,166 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 06:31:51,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:31:51,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1722842965, now seen corresponding path program 1 times [2022-12-14 06:31:51,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:31:51,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318602155] [2022-12-14 06:31:51,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:31:51,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:31:51,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:31:51,741 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 375 trivial. 0 not checked. [2022-12-14 06:31:51,741 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:31:51,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318602155] [2022-12-14 06:31:51,742 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318602155] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:31:51,742 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:31:51,742 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 06:31:51,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145202230] [2022-12-14 06:31:51,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:31:51,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:31:51,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:31:51,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:31:51,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:31:51,743 INFO L87 Difference]: Start difference. First operand 17496 states and 24904 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-14 06:31:55,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:31:57,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 06:32:00,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:32:01,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:32:05,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:32:07,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:32:09,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:32:11,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:32:13,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:32:15,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:32:16,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:32:23,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:32:23,275 INFO L93 Difference]: Finished difference Result 17643 states and 25083 transitions. [2022-12-14 06:32:23,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 06:32:23,276 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 105 [2022-12-14 06:32:23,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:32:23,320 INFO L225 Difference]: With dead ends: 17643 [2022-12-14 06:32:23,320 INFO L226 Difference]: Without dead ends: 17639 [2022-12-14 06:32:23,327 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 06:32:23,327 INFO L413 NwaCegarLoop]: 5425 mSDtfsCounter, 5132 mSDsluCounter, 12956 mSDsCounter, 0 mSdLazyCounter, 2685 mSolverCounterSat, 2 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5139 SdHoareTripleChecker+Valid, 18381 SdHoareTripleChecker+Invalid, 2693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2685 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.6s IncrementalHoareTripleChecker+Time [2022-12-14 06:32:23,327 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5139 Valid, 18381 Invalid, 2693 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 2685 Invalid, 6 Unknown, 0 Unchecked, 30.6s Time] [2022-12-14 06:32:23,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17639 states. [2022-12-14 06:32:24,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17639 to 17634. [2022-12-14 06:32:24,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17634 states, 10650 states have (on average 1.3028169014084507) internal successors, (13875), 11034 states have internal predecessors, (13875), 5547 states have call successors, (5547), 1444 states have call predecessors, (5547), 1434 states have return successors, (5653), 5435 states have call predecessors, (5653), 5541 states have call successors, (5653) [2022-12-14 06:32:24,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17634 states to 17634 states and 25075 transitions. [2022-12-14 06:32:24,188 INFO L78 Accepts]: Start accepts. Automaton has 17634 states and 25075 transitions. Word has length 105 [2022-12-14 06:32:24,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:32:24,188 INFO L495 AbstractCegarLoop]: Abstraction has 17634 states and 25075 transitions. [2022-12-14 06:32:24,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-14 06:32:24,188 INFO L276 IsEmpty]: Start isEmpty. Operand 17634 states and 25075 transitions. [2022-12-14 06:32:24,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-12-14 06:32:24,190 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:32:24,190 INFO L195 NwaCegarLoop]: trace histogram [16, 15, 15, 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, 1, 1, 1, 1, 1, 1] [2022-12-14 06:32:24,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-14 06:32:24,190 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 06:32:24,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:32:24,190 INFO L85 PathProgramCache]: Analyzing trace with hash 486026232, now seen corresponding path program 1 times [2022-12-14 06:32:24,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:32:24,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346882862] [2022-12-14 06:32:24,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:32:24,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:32:24,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:32:24,737 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 431 trivial. 0 not checked. [2022-12-14 06:32:24,737 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:32:24,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346882862] [2022-12-14 06:32:24,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346882862] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:32:24,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:32:24,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 06:32:24,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305250013] [2022-12-14 06:32:24,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:32:24,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:32:24,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:32:24,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:32:24,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:32:24,738 INFO L87 Difference]: Start difference. First operand 17634 states and 25075 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-14 06:32:27,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:32:29,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 06:32:31,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 06:32:33,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 06:32:39,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:32:41,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:32:43,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:32:45,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:32:47,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:32:49,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:32:55,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:32:55,221 INFO L93 Difference]: Finished difference Result 17640 states and 25080 transitions. [2022-12-14 06:32:55,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 06:32:55,222 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 110 [2022-12-14 06:32:55,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:32:55,284 INFO L225 Difference]: With dead ends: 17640 [2022-12-14 06:32:55,284 INFO L226 Difference]: Without dead ends: 17454 [2022-12-14 06:32:55,289 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 06:32:55,289 INFO L413 NwaCegarLoop]: 4676 mSDtfsCounter, 5227 mSDsluCounter, 9814 mSDsCounter, 0 mSdLazyCounter, 2228 mSolverCounterSat, 1 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5229 SdHoareTripleChecker+Valid, 14490 SdHoareTripleChecker+Invalid, 2236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2228 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.5s IncrementalHoareTripleChecker+Time [2022-12-14 06:32:55,289 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5229 Valid, 14490 Invalid, 2236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2228 Invalid, 7 Unknown, 0 Unchecked, 29.5s Time] [2022-12-14 06:32:55,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17454 states. [2022-12-14 06:32:56,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17454 to 17454. [2022-12-14 06:32:56,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17454 states, 10543 states have (on average 1.3050365171203642) internal successors, (13759), 10925 states have internal predecessors, (13759), 5501 states have call successors, (5501), 1416 states have call predecessors, (5501), 1407 states have return successors, (5610), 5392 states have call predecessors, (5610), 5498 states have call successors, (5610) [2022-12-14 06:32:56,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17454 states to 17454 states and 24870 transitions. [2022-12-14 06:32:56,224 INFO L78 Accepts]: Start accepts. Automaton has 17454 states and 24870 transitions. Word has length 110 [2022-12-14 06:32:56,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:32:56,224 INFO L495 AbstractCegarLoop]: Abstraction has 17454 states and 24870 transitions. [2022-12-14 06:32:56,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-14 06:32:56,225 INFO L276 IsEmpty]: Start isEmpty. Operand 17454 states and 24870 transitions. [2022-12-14 06:32:56,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2022-12-14 06:32:56,235 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:32:56,236 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 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 06:32:56,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-14 06:32:56,236 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 06:32:56,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:32:56,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1380579165, now seen corresponding path program 1 times [2022-12-14 06:32:56,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:32:56,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358935529] [2022-12-14 06:32:56,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:32:56,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:32:56,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:32:57,238 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2022-12-14 06:32:57,238 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:32:57,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358935529] [2022-12-14 06:32:57,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358935529] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:32:57,239 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:32:57,239 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 06:32:57,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884939318] [2022-12-14 06:32:57,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:32:57,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:32:57,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:32:57,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:32:57,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:32:57,241 INFO L87 Difference]: Start difference. First operand 17454 states and 24870 transitions. Second operand has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (33), 3 states have call predecessors, (33), 2 states have call successors, (33) [2022-12-14 06:33:00,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:33:03,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 06:33:11,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:33:13,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:33:15,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:33:17,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:33:18,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:33:25,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:33:25,520 INFO L93 Difference]: Finished difference Result 34970 states and 50282 transitions. [2022-12-14 06:33:25,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 06:33:25,521 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (33), 3 states have call predecessors, (33), 2 states have call successors, (33) Word has length 252 [2022-12-14 06:33:25,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:33:25,576 INFO L225 Difference]: With dead ends: 34970 [2022-12-14 06:33:25,576 INFO L226 Difference]: Without dead ends: 17530 [2022-12-14 06:33:25,635 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-14 06:33:25,636 INFO L413 NwaCegarLoop]: 4530 mSDtfsCounter, 5 mSDsluCounter, 13558 mSDsCounter, 0 mSdLazyCounter, 2828 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 18088 SdHoareTripleChecker+Invalid, 2835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2828 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.1s IncrementalHoareTripleChecker+Time [2022-12-14 06:33:25,636 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 18088 Invalid, 2835 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 2828 Invalid, 4 Unknown, 0 Unchecked, 27.1s Time] [2022-12-14 06:33:25,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17530 states. [2022-12-14 06:33:26,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17530 to 17490. [2022-12-14 06:33:26,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17490 states, 10570 states have (on average 1.3042573320719015) internal successors, (13786), 10952 states have internal predecessors, (13786), 5501 states have call successors, (5501), 1416 states have call predecessors, (5501), 1416 states have return successors, (5717), 5401 states have call predecessors, (5717), 5498 states have call successors, (5717) [2022-12-14 06:33:26,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17490 states to 17490 states and 25004 transitions. [2022-12-14 06:33:26,615 INFO L78 Accepts]: Start accepts. Automaton has 17490 states and 25004 transitions. Word has length 252 [2022-12-14 06:33:26,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:33:26,616 INFO L495 AbstractCegarLoop]: Abstraction has 17490 states and 25004 transitions. [2022-12-14 06:33:26,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (33), 3 states have call predecessors, (33), 2 states have call successors, (33) [2022-12-14 06:33:26,616 INFO L276 IsEmpty]: Start isEmpty. Operand 17490 states and 25004 transitions. [2022-12-14 06:33:26,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2022-12-14 06:33:26,625 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:33:26,625 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:33:26,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-14 06:33:26,626 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 06:33:26,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:33:26,626 INFO L85 PathProgramCache]: Analyzing trace with hash 1310020365, now seen corresponding path program 1 times [2022-12-14 06:33:26,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:33:26,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007102966] [2022-12-14 06:33:26,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:33:26,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:33:26,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:33:27,749 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2022-12-14 06:33:27,750 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:33:27,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007102966] [2022-12-14 06:33:27,750 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007102966] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:33:27,750 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:33:27,750 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 06:33:27,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179178988] [2022-12-14 06:33:27,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:33:27,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:33:27,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:33:27,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:33:27,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:33:27,752 INFO L87 Difference]: Start difference. First operand 17490 states and 25004 transitions. Second operand has 5 states, 5 states have (on average 22.8) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-12-14 06:33:30,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:33:33,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 06:33:42,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:33:44,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:33:50,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:33:50,859 INFO L93 Difference]: Finished difference Result 17505 states and 25016 transitions. [2022-12-14 06:33:50,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 06:33:50,860 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.8) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 257 [2022-12-14 06:33:50,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:33:50,903 INFO L225 Difference]: With dead ends: 17505 [2022-12-14 06:33:50,904 INFO L226 Difference]: Without dead ends: 17503 [2022-12-14 06:33:50,910 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 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 06:33:50,910 INFO L413 NwaCegarLoop]: 5606 mSDtfsCounter, 5048 mSDsluCounter, 13338 mSDsCounter, 0 mSdLazyCounter, 2834 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5055 SdHoareTripleChecker+Valid, 18944 SdHoareTripleChecker+Invalid, 2840 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2834 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.7s IncrementalHoareTripleChecker+Time [2022-12-14 06:33:50,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5055 Valid, 18944 Invalid, 2840 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2834 Invalid, 4 Unknown, 0 Unchecked, 21.7s Time] [2022-12-14 06:33:50,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17503 states. [2022-12-14 06:33:51,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17503 to 17498. [2022-12-14 06:33:51,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17498 states, 10576 states have (on average 1.3040847201210288) internal successors, (13792), 10958 states have internal predecessors, (13792), 5501 states have call successors, (5501), 1418 states have call predecessors, (5501), 1418 states have return successors, (5717), 5401 states have call predecessors, (5717), 5498 states have call successors, (5717) [2022-12-14 06:33:51,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17498 states to 17498 states and 25010 transitions. [2022-12-14 06:33:51,857 INFO L78 Accepts]: Start accepts. Automaton has 17498 states and 25010 transitions. Word has length 257 [2022-12-14 06:33:51,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:33:51,857 INFO L495 AbstractCegarLoop]: Abstraction has 17498 states and 25010 transitions. [2022-12-14 06:33:51,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.8) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-12-14 06:33:51,858 INFO L276 IsEmpty]: Start isEmpty. Operand 17498 states and 25010 transitions. [2022-12-14 06:33:51,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2022-12-14 06:33:51,868 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:33:51,868 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:33:51,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-14 06:33:51,869 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 06:33:51,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:33:51,869 INFO L85 PathProgramCache]: Analyzing trace with hash -1520812037, now seen corresponding path program 1 times [2022-12-14 06:33:51,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:33:51,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058702091] [2022-12-14 06:33:51,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:33:51,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:33:52,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:33:52,204 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:33:52,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058702091] [2022-12-14 06:33:52,204 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-12-14 06:33:52,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1175621723] [2022-12-14 06:33:52,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:33:52,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:33:52,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0e5c69-3832-41d3-9da9-bc4e437ce696/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:33:52,206 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0e5c69-3832-41d3-9da9-bc4e437ce696/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 06:33:52,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0e5c69-3832-41d3-9da9-bc4e437ce696/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 06:33:54,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:33:54,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 10432 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-14 06:33:54,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:33:54,403 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2022-12-14 06:33:54,403 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 06:33:54,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1175621723] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:33:54,403 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:33:54,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-14 06:33:54,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387849830] [2022-12-14 06:33:54,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:33:54,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-14 06:33:54,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:33:54,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-14 06:33:54,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2022-12-14 06:33:54,406 INFO L87 Difference]: Start difference. First operand 17498 states and 25010 transitions. Second operand has 11 states, 11 states have (on average 12.454545454545455) internal successors, (137), 8 states have internal predecessors, (137), 2 states have call successors, (51), 2 states have call predecessors, (51), 5 states have return successors, (46), 5 states have call predecessors, (46), 2 states have call successors, (46) [2022-12-14 06:33:58,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:34:01,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 06:34:10,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:34:16,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:34:19,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:34:21,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:34:23,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:34:25,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:34:26,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:34:28,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:34:29,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:34:32,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:34:51,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:34:51,596 INFO L93 Difference]: Finished difference Result 35068 states and 50494 transitions. [2022-12-14 06:34:51,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-14 06:34:51,597 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 12.454545454545455) internal successors, (137), 8 states have internal predecessors, (137), 2 states have call successors, (51), 2 states have call predecessors, (51), 5 states have return successors, (46), 5 states have call predecessors, (46), 2 states have call successors, (46) Word has length 284 [2022-12-14 06:34:51,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:34:51,641 INFO L225 Difference]: With dead ends: 35068 [2022-12-14 06:34:51,641 INFO L226 Difference]: Without dead ends: 17584 [2022-12-14 06:34:51,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-12-14 06:34:51,688 INFO L413 NwaCegarLoop]: 4545 mSDtfsCounter, 6 mSDsluCounter, 40855 mSDsCounter, 0 mSdLazyCounter, 7080 mSolverCounterSat, 2 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 54.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 45400 SdHoareTripleChecker+Invalid, 7089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7080 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55.7s IncrementalHoareTripleChecker+Time [2022-12-14 06:34:51,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 45400 Invalid, 7089 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 7080 Invalid, 7 Unknown, 0 Unchecked, 55.7s Time] [2022-12-14 06:34:51,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17584 states. [2022-12-14 06:34:52,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17584 to 17578. [2022-12-14 06:34:52,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17578 states, 10632 states have (on average 1.3016365688487586) internal successors, (13839), 11022 states have internal predecessors, (13839), 5501 states have call successors, (5501), 1418 states have call predecessors, (5501), 1442 states have return successors, (5771), 5417 states have call predecessors, (5771), 5498 states have call successors, (5771) [2022-12-14 06:34:52,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17578 states to 17578 states and 25111 transitions. [2022-12-14 06:34:52,616 INFO L78 Accepts]: Start accepts. Automaton has 17578 states and 25111 transitions. Word has length 284 [2022-12-14 06:34:52,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:34:52,616 INFO L495 AbstractCegarLoop]: Abstraction has 17578 states and 25111 transitions. [2022-12-14 06:34:52,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.454545454545455) internal successors, (137), 8 states have internal predecessors, (137), 2 states have call successors, (51), 2 states have call predecessors, (51), 5 states have return successors, (46), 5 states have call predecessors, (46), 2 states have call successors, (46) [2022-12-14 06:34:52,617 INFO L276 IsEmpty]: Start isEmpty. Operand 17578 states and 25111 transitions. [2022-12-14 06:34:52,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2022-12-14 06:34:52,627 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:34:52,628 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:34:52,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0e5c69-3832-41d3-9da9-bc4e437ce696/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 06:34:52,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0e5c69-3832-41d3-9da9-bc4e437ce696/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:34:52,830 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 06:34:52,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:34:52,831 INFO L85 PathProgramCache]: Analyzing trace with hash -417211936, now seen corresponding path program 1 times [2022-12-14 06:34:52,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:34:52,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720605736] [2022-12-14 06:34:52,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:34:52,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:34:53,048 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 06:34:53,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [362118839] [2022-12-14 06:34:53,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:34:53,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:34:53,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0e5c69-3832-41d3-9da9-bc4e437ce696/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:34:53,049 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0e5c69-3832-41d3-9da9-bc4e437ce696/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 06:34:53,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0e5c69-3832-41d3-9da9-bc4e437ce696/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 06:34:55,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:34:55,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 10007 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 06:34:55,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:34:55,254 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2022-12-14 06:34:55,254 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 06:34:55,254 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:34:55,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720605736] [2022-12-14 06:34:55,254 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 06:34:55,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [362118839] [2022-12-14 06:34:55,255 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [362118839] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:34:55,255 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:34:55,255 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 06:34:55,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133293824] [2022-12-14 06:34:55,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:34:55,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:34:55,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:34:55,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:34:55,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:34:55,257 INFO L87 Difference]: Start difference. First operand 17578 states and 25111 transitions. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 2 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2022-12-14 06:34:58,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:35:00,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 06:35:05,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:35:07,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:35:12,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:35:12,121 INFO L93 Difference]: Finished difference Result 35214 states and 50680 transitions. [2022-12-14 06:35:12,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:35:12,122 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 2 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) Word has length 360 [2022-12-14 06:35:12,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:35:12,174 INFO L225 Difference]: With dead ends: 35214 [2022-12-14 06:35:12,174 INFO L226 Difference]: Without dead ends: 17650 [2022-12-14 06:35:12,220 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 358 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 06:35:12,221 INFO L413 NwaCegarLoop]: 4532 mSDtfsCounter, 5 mSDsluCounter, 4524 mSDsCounter, 0 mSdLazyCounter, 1403 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 9056 SdHoareTripleChecker+Invalid, 1407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1403 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.7s IncrementalHoareTripleChecker+Time [2022-12-14 06:35:12,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 9056 Invalid, 1407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1403 Invalid, 4 Unknown, 0 Unchecked, 15.7s Time] [2022-12-14 06:35:12,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17650 states. [2022-12-14 06:35:13,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17650 to 17587. [2022-12-14 06:35:13,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17587 states, 10641 states have (on average 1.3013814491119255) internal successors, (13848), 11031 states have internal predecessors, (13848), 5501 states have call successors, (5501), 1418 states have call predecessors, (5501), 1442 states have return successors, (5771), 5417 states have call predecessors, (5771), 5498 states have call successors, (5771) [2022-12-14 06:35:13,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17587 states to 17587 states and 25120 transitions. [2022-12-14 06:35:13,195 INFO L78 Accepts]: Start accepts. Automaton has 17587 states and 25120 transitions. Word has length 360 [2022-12-14 06:35:13,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:35:13,195 INFO L495 AbstractCegarLoop]: Abstraction has 17587 states and 25120 transitions. [2022-12-14 06:35:13,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 2 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2022-12-14 06:35:13,196 INFO L276 IsEmpty]: Start isEmpty. Operand 17587 states and 25120 transitions. [2022-12-14 06:35:13,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2022-12-14 06:35:13,207 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:35:13,207 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:35:13,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0e5c69-3832-41d3-9da9-bc4e437ce696/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 06:35:13,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0e5c69-3832-41d3-9da9-bc4e437ce696/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:35:13,409 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 06:35:13,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:35:13,411 INFO L85 PathProgramCache]: Analyzing trace with hash -1979479445, now seen corresponding path program 1 times [2022-12-14 06:35:13,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:35:13,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717365236] [2022-12-14 06:35:13,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:35:13,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:35:13,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:35:14,208 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 434 trivial. 0 not checked. [2022-12-14 06:35:14,209 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:35:14,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717365236] [2022-12-14 06:35:14,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717365236] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:35:14,209 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:35:14,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 06:35:14,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781385650] [2022-12-14 06:35:14,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:35:14,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:35:14,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:35:14,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:35:14,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:35:14,210 INFO L87 Difference]: Start difference. First operand 17587 states and 25120 transitions. Second operand has 5 states, 5 states have (on average 25.0) internal successors, (125), 4 states have internal predecessors, (125), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (38), 2 states have call predecessors, (38), 1 states have call successors, (38) [2022-12-14 06:35:17,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:35:19,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 06:35:24,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:35:28,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:35:31,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:35:33,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:35:39,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:35:47,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:35:47,744 INFO L93 Difference]: Finished difference Result 36368 states and 52175 transitions. [2022-12-14 06:35:47,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 06:35:47,745 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.0) internal successors, (125), 4 states have internal predecessors, (125), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (38), 2 states have call predecessors, (38), 1 states have call successors, (38) Word has length 292 [2022-12-14 06:35:47,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:35:47,803 INFO L225 Difference]: With dead ends: 36368 [2022-12-14 06:35:47,803 INFO L226 Difference]: Without dead ends: 18795 [2022-12-14 06:35:47,851 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:35:47,851 INFO L413 NwaCegarLoop]: 5366 mSDtfsCounter, 525 mSDsluCounter, 15452 mSDsCounter, 0 mSdLazyCounter, 3273 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 777 SdHoareTripleChecker+Valid, 20818 SdHoareTripleChecker+Invalid, 3279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3273 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.3s IncrementalHoareTripleChecker+Time [2022-12-14 06:35:47,852 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [777 Valid, 20818 Invalid, 3279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3273 Invalid, 5 Unknown, 0 Unchecked, 32.3s Time] [2022-12-14 06:35:47,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18795 states. [2022-12-14 06:35:48,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18795 to 17595. [2022-12-14 06:35:48,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17595 states, 10647 states have (on average 1.3012116089039165) internal successors, (13854), 11037 states have internal predecessors, (13854), 5501 states have call successors, (5501), 1418 states have call predecessors, (5501), 1444 states have return successors, (5773), 5419 states have call predecessors, (5773), 5498 states have call successors, (5773) [2022-12-14 06:35:48,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17595 states to 17595 states and 25128 transitions. [2022-12-14 06:35:48,834 INFO L78 Accepts]: Start accepts. Automaton has 17595 states and 25128 transitions. Word has length 292 [2022-12-14 06:35:48,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:35:48,834 INFO L495 AbstractCegarLoop]: Abstraction has 17595 states and 25128 transitions. [2022-12-14 06:35:48,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.0) internal successors, (125), 4 states have internal predecessors, (125), 2 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (38), 2 states have call predecessors, (38), 1 states have call successors, (38) [2022-12-14 06:35:48,835 INFO L276 IsEmpty]: Start isEmpty. Operand 17595 states and 25128 transitions. [2022-12-14 06:35:48,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2022-12-14 06:35:48,846 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:35:48,847 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 7, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:35:48,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-14 06:35:48,847 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 06:35:48,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:35:48,847 INFO L85 PathProgramCache]: Analyzing trace with hash -1014961186, now seen corresponding path program 1 times [2022-12-14 06:35:48,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:35:48,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024371036] [2022-12-14 06:35:48,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:35:48,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:35:49,039 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 06:35:49,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [128819373] [2022-12-14 06:35:49,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:35:49,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:35:49,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0e5c69-3832-41d3-9da9-bc4e437ce696/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:35:49,041 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0e5c69-3832-41d3-9da9-bc4e437ce696/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 06:35:49,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0e5c69-3832-41d3-9da9-bc4e437ce696/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 06:35:51,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:35:51,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 10068 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 06:35:51,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:35:51,548 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2022-12-14 06:35:51,548 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 06:35:51,548 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:35:51,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024371036] [2022-12-14 06:35:51,548 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 06:35:51,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [128819373] [2022-12-14 06:35:51,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [128819373] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:35:51,548 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:35:51,549 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 06:35:51,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479271129] [2022-12-14 06:35:51,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:35:51,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:35:51,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:35:51,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:35:51,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:35:51,551 INFO L87 Difference]: Start difference. First operand 17595 states and 25128 transitions. Second operand has 5 states, 5 states have (on average 35.6) internal successors, (178), 4 states have internal predecessors, (178), 2 states have call successors, (66), 2 states have call predecessors, (66), 3 states have return successors, (60), 3 states have call predecessors, (60), 2 states have call successors, (60) [2022-12-14 06:35:54,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:35:57,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 06:36:04,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:36:05,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:36:07,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:36:09,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:36:17,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:36:17,418 INFO L93 Difference]: Finished difference Result 35308 states and 51325 transitions. [2022-12-14 06:36:17,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 06:36:17,419 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.6) internal successors, (178), 4 states have internal predecessors, (178), 2 states have call successors, (66), 2 states have call predecessors, (66), 3 states have return successors, (60), 3 states have call predecessors, (60), 2 states have call successors, (60) Word has length 372 [2022-12-14 06:36:17,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:36:17,472 INFO L225 Difference]: With dead ends: 35308 [2022-12-14 06:36:17,472 INFO L226 Difference]: Without dead ends: 17727 [2022-12-14 06:36:17,523 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 372 GetRequests, 368 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-14 06:36:17,524 INFO L413 NwaCegarLoop]: 4551 mSDtfsCounter, 5 mSDsluCounter, 13640 mSDsCounter, 0 mSdLazyCounter, 2814 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 18191 SdHoareTripleChecker+Invalid, 2817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2814 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.5s IncrementalHoareTripleChecker+Time [2022-12-14 06:36:17,524 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 18191 Invalid, 2817 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2814 Invalid, 3 Unknown, 0 Unchecked, 24.5s Time] [2022-12-14 06:36:17,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17727 states. [2022-12-14 06:36:18,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17727 to 17639. [2022-12-14 06:36:18,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17639 states, 10680 states have (on average 1.3002808988764045) internal successors, (13887), 11070 states have internal predecessors, (13887), 5501 states have call successors, (5501), 1418 states have call predecessors, (5501), 1455 states have return successors, (5792), 5430 states have call predecessors, (5792), 5498 states have call successors, (5792) [2022-12-14 06:36:18,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17639 states to 17639 states and 25180 transitions. [2022-12-14 06:36:18,837 INFO L78 Accepts]: Start accepts. Automaton has 17639 states and 25180 transitions. Word has length 372 [2022-12-14 06:36:18,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:36:18,838 INFO L495 AbstractCegarLoop]: Abstraction has 17639 states and 25180 transitions. [2022-12-14 06:36:18,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.6) internal successors, (178), 4 states have internal predecessors, (178), 2 states have call successors, (66), 2 states have call predecessors, (66), 3 states have return successors, (60), 3 states have call predecessors, (60), 2 states have call successors, (60) [2022-12-14 06:36:18,838 INFO L276 IsEmpty]: Start isEmpty. Operand 17639 states and 25180 transitions. [2022-12-14 06:36:18,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2022-12-14 06:36:18,897 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:36:18,897 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:36:18,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0e5c69-3832-41d3-9da9-bc4e437ce696/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 06:36:19,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0e5c69-3832-41d3-9da9-bc4e437ce696/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-12-14 06:36:19,099 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 06:36:19,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:36:19,100 INFO L85 PathProgramCache]: Analyzing trace with hash 2032804729, now seen corresponding path program 1 times [2022-12-14 06:36:19,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:36:19,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034661535] [2022-12-14 06:36:19,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:36:19,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:36:19,383 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 06:36:19,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [502807926] [2022-12-14 06:36:19,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:36:19,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:36:19,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0e5c69-3832-41d3-9da9-bc4e437ce696/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:36:19,384 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0e5c69-3832-41d3-9da9-bc4e437ce696/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 06:36:19,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0e5c69-3832-41d3-9da9-bc4e437ce696/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 06:36:21,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:36:21,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 10600 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 06:36:21,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:36:21,886 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2022-12-14 06:36:21,886 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 06:36:21,886 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:36:21,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034661535] [2022-12-14 06:36:21,886 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 06:36:21,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [502807926] [2022-12-14 06:36:21,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [502807926] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:36:21,886 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:36:21,887 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-14 06:36:21,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143648226] [2022-12-14 06:36:21,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:36:21,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 06:36:21,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:36:21,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 06:36:21,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-12-14 06:36:21,889 INFO L87 Difference]: Start difference. First operand 17639 states and 25180 transitions. Second operand has 12 states, 11 states have (on average 12.818181818181818) internal successors, (141), 9 states have internal predecessors, (141), 3 states have call successors, (56), 2 states have call predecessors, (56), 5 states have return successors, (51), 6 states have call predecessors, (51), 3 states have call successors, (51) [2022-12-14 06:36:26,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:36:28,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 06:36:38,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:36:40,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:36:43,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:36:45,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:36:51,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:36:53,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:36:55,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:36:57,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:36:58,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:37:00,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:37:02,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:37:03,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:37:04,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:37:06,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:37:08,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:37:27,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:37:27,296 INFO L93 Difference]: Finished difference Result 35400 states and 50987 transitions. [2022-12-14 06:37:27,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 06:37:27,297 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 12.818181818181818) internal successors, (141), 9 states have internal predecessors, (141), 3 states have call successors, (56), 2 states have call predecessors, (56), 5 states have return successors, (51), 6 states have call predecessors, (51), 3 states have call successors, (51) Word has length 303 [2022-12-14 06:37:27,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:37:27,357 INFO L225 Difference]: With dead ends: 35400 [2022-12-14 06:37:27,357 INFO L226 Difference]: Without dead ends: 17775 [2022-12-14 06:37:27,418 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 292 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2022-12-14 06:37:27,419 INFO L413 NwaCegarLoop]: 4539 mSDtfsCounter, 26 mSDsluCounter, 45325 mSDsCounter, 0 mSdLazyCounter, 7783 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 62.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 49864 SdHoareTripleChecker+Invalid, 7789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7783 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 63.9s IncrementalHoareTripleChecker+Time [2022-12-14 06:37:27,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 49864 Invalid, 7789 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 7783 Invalid, 4 Unknown, 0 Unchecked, 63.9s Time] [2022-12-14 06:37:27,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17775 states. [2022-12-14 06:37:28,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17775 to 17691. [2022-12-14 06:37:28,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17691 states, 10715 states have (on average 1.2993000466635558) internal successors, (13922), 11105 states have internal predecessors, (13922), 5509 states have call successors, (5509), 1418 states have call predecessors, (5509), 1464 states have return successors, (5894), 5447 states have call predecessors, (5894), 5506 states have call successors, (5894) [2022-12-14 06:37:28,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17691 states to 17691 states and 25325 transitions. [2022-12-14 06:37:28,577 INFO L78 Accepts]: Start accepts. Automaton has 17691 states and 25325 transitions. Word has length 303 [2022-12-14 06:37:28,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:37:28,578 INFO L495 AbstractCegarLoop]: Abstraction has 17691 states and 25325 transitions. [2022-12-14 06:37:28,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 12.818181818181818) internal successors, (141), 9 states have internal predecessors, (141), 3 states have call successors, (56), 2 states have call predecessors, (56), 5 states have return successors, (51), 6 states have call predecessors, (51), 3 states have call successors, (51) [2022-12-14 06:37:28,578 INFO L276 IsEmpty]: Start isEmpty. Operand 17691 states and 25325 transitions. [2022-12-14 06:37:28,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2022-12-14 06:37:28,588 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:37:28,588 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:37:28,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0e5c69-3832-41d3-9da9-bc4e437ce696/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 06:37:28,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0e5c69-3832-41d3-9da9-bc4e437ce696/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2022-12-14 06:37:28,790 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 06:37:28,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:37:28,792 INFO L85 PathProgramCache]: Analyzing trace with hash -1985474879, now seen corresponding path program 1 times [2022-12-14 06:37:28,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:37:28,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61739029] [2022-12-14 06:37:28,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:37:28,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:37:29,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:37:29,713 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2022-12-14 06:37:29,713 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:37:29,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61739029] [2022-12-14 06:37:29,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61739029] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:37:29,713 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:37:29,713 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 06:37:29,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514681718] [2022-12-14 06:37:29,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:37:29,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:37:29,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:37:29,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:37:29,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:37:29,714 INFO L87 Difference]: Start difference. First operand 17691 states and 25325 transitions. Second operand has 5 states, 5 states have (on average 24.6) internal successors, (123), 4 states have internal predecessors, (123), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-12-14 06:37:32,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:37:34,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 06:37:39,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:37:43,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:37:45,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:37:47,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:37:48,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:37:49,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:37:57,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:37:57,123 INFO L93 Difference]: Finished difference Result 17693 states and 25326 transitions. [2022-12-14 06:37:57,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 06:37:57,124 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 4 states have internal predecessors, (123), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 297 [2022-12-14 06:37:57,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:37:57,176 INFO L225 Difference]: With dead ends: 17693 [2022-12-14 06:37:57,176 INFO L226 Difference]: Without dead ends: 17691 [2022-12-14 06:37:57,185 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 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 06:37:57,186 INFO L413 NwaCegarLoop]: 4588 mSDtfsCounter, 142 mSDsluCounter, 13651 mSDsCounter, 0 mSdLazyCounter, 2850 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 18239 SdHoareTripleChecker+Invalid, 2854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2850 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.4s IncrementalHoareTripleChecker+Time [2022-12-14 06:37:57,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 18239 Invalid, 2854 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2850 Invalid, 3 Unknown, 0 Unchecked, 26.4s Time] [2022-12-14 06:37:57,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17691 states. [2022-12-14 06:37:58,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17691 to 17691. [2022-12-14 06:37:58,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17691 states, 10715 states have (on average 1.299113392440504) internal successors, (13920), 11105 states have internal predecessors, (13920), 5509 states have call successors, (5509), 1418 states have call predecessors, (5509), 1464 states have return successors, (5894), 5447 states have call predecessors, (5894), 5506 states have call successors, (5894) [2022-12-14 06:37:58,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17691 states to 17691 states and 25323 transitions. [2022-12-14 06:37:58,193 INFO L78 Accepts]: Start accepts. Automaton has 17691 states and 25323 transitions. Word has length 297 [2022-12-14 06:37:58,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:37:58,194 INFO L495 AbstractCegarLoop]: Abstraction has 17691 states and 25323 transitions. [2022-12-14 06:37:58,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 4 states have internal predecessors, (123), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-12-14 06:37:58,194 INFO L276 IsEmpty]: Start isEmpty. Operand 17691 states and 25323 transitions. [2022-12-14 06:37:58,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2022-12-14 06:37:58,210 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:37:58,210 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:37:58,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-12-14 06:37:58,210 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 06:37:58,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:37:58,211 INFO L85 PathProgramCache]: Analyzing trace with hash 1976934778, now seen corresponding path program 1 times [2022-12-14 06:37:58,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:37:58,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086339334] [2022-12-14 06:37:58,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:37:58,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:37:58,404 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 06:37:58,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [899666020] [2022-12-14 06:37:58,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:37:58,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:37:58,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0e5c69-3832-41d3-9da9-bc4e437ce696/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:37:58,406 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0e5c69-3832-41d3-9da9-bc4e437ce696/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 06:37:58,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0e5c69-3832-41d3-9da9-bc4e437ce696/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 06:38:00,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:38:00,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 9810 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 06:38:00,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:38:00,339 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2022-12-14 06:38:00,339 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 06:38:00,339 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:38:00,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086339334] [2022-12-14 06:38:00,340 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 06:38:00,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [899666020] [2022-12-14 06:38:00,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [899666020] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:38:00,340 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:38:00,340 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 06:38:00,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055384759] [2022-12-14 06:38:00,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:38:00,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:38:00,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:38:00,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:38:00,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:38:00,342 INFO L87 Difference]: Start difference. First operand 17691 states and 25323 transitions. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 2 states have call successors, (61), 2 states have call predecessors, (61), 2 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2022-12-14 06:38:02,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:38:04,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 06:38:06,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 06:38:11,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:38:13,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:38:17,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:38:17,442 INFO L93 Difference]: Finished difference Result 35467 states and 52233 transitions. [2022-12-14 06:38:17,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:38:17,443 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 2 states have call successors, (61), 2 states have call predecessors, (61), 2 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) Word has length 320 [2022-12-14 06:38:17,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:38:17,499 INFO L225 Difference]: With dead ends: 35467 [2022-12-14 06:38:17,499 INFO L226 Difference]: Without dead ends: 17790 [2022-12-14 06:38:17,555 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 318 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 06:38:17,555 INFO L413 NwaCegarLoop]: 4528 mSDtfsCounter, 7 mSDsluCounter, 4525 mSDsCounter, 0 mSdLazyCounter, 1401 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 9053 SdHoareTripleChecker+Invalid, 1405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1401 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.0s IncrementalHoareTripleChecker+Time [2022-12-14 06:38:17,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 9053 Invalid, 1405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1401 Invalid, 4 Unknown, 0 Unchecked, 16.0s Time] [2022-12-14 06:38:17,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17790 states. [2022-12-14 06:38:18,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17790 to 17702. [2022-12-14 06:38:18,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17702 states, 10726 states have (on average 1.298806638075704) internal successors, (13931), 11116 states have internal predecessors, (13931), 5509 states have call successors, (5509), 1418 states have call predecessors, (5509), 1464 states have return successors, (5894), 5447 states have call predecessors, (5894), 5506 states have call successors, (5894) [2022-12-14 06:38:18,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17702 states to 17702 states and 25334 transitions. [2022-12-14 06:38:18,542 INFO L78 Accepts]: Start accepts. Automaton has 17702 states and 25334 transitions. Word has length 320 [2022-12-14 06:38:18,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:38:18,542 INFO L495 AbstractCegarLoop]: Abstraction has 17702 states and 25334 transitions. [2022-12-14 06:38:18,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 2 states have call successors, (61), 2 states have call predecessors, (61), 2 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2022-12-14 06:38:18,542 INFO L276 IsEmpty]: Start isEmpty. Operand 17702 states and 25334 transitions. [2022-12-14 06:38:18,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2022-12-14 06:38:18,585 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:38:18,585 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 7, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:38:18,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0e5c69-3832-41d3-9da9-bc4e437ce696/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-14 06:38:18,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0e5c69-3832-41d3-9da9-bc4e437ce696/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:38:18,788 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 06:38:18,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:38:18,789 INFO L85 PathProgramCache]: Analyzing trace with hash -159187552, now seen corresponding path program 1 times [2022-12-14 06:38:18,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:38:18,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390315921] [2022-12-14 06:38:18,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:38:18,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:38:18,996 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 06:38:18,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [584647203] [2022-12-14 06:38:18,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:38:18,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:38:18,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0e5c69-3832-41d3-9da9-bc4e437ce696/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:38:18,998 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0e5c69-3832-41d3-9da9-bc4e437ce696/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 06:38:18,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c0e5c69-3832-41d3-9da9-bc4e437ce696/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-14 06:38:20,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:38:20,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 9800 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 06:38:20,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:38:21,007 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2022-12-14 06:38:21,008 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 06:38:21,008 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:38:21,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390315921] [2022-12-14 06:38:21,008 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 06:38:21,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [584647203] [2022-12-14 06:38:21,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [584647203] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:38:21,008 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:38:21,008 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-14 06:38:21,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845738653] [2022-12-14 06:38:21,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:38:21,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 06:38:21,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:38:21,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 06:38:21,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-12-14 06:38:21,010 INFO L87 Difference]: Start difference. First operand 17702 states and 25334 transitions. Second operand has 12 states, 11 states have (on average 13.909090909090908) internal successors, (153), 9 states have internal predecessors, (153), 3 states have call successors, (60), 2 states have call predecessors, (60), 5 states have return successors, (54), 6 states have call predecessors, (54), 3 states have call successors, (54)