./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-rhine.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a 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_f321f3e2-17c7-4b69-ae14-f50188d89739/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f321f3e2-17c7-4b69-ae14-f50188d89739/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f321f3e2-17c7-4b69-ae14-f50188d89739/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f321f3e2-17c7-4b69-ae14-f50188d89739/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-rhine.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f321f3e2-17c7-4b69-ae14-f50188d89739/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f321f3e2-17c7-4b69-ae14-f50188d89739/bin/utaipan-ByfvJB40ur --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 6eed6410a0dd7e708ffb27250b590aa2913bf9f742c15130caf6eadad29510cc --- 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-38b53e6 [2022-11-25 22:26:46,392 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:26:46,403 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:26:46,432 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:26:46,432 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:26:46,433 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:26:46,435 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:26:46,436 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:26:46,438 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:26:46,439 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:26:46,440 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:26:46,441 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:26:46,442 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:26:46,451 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:26:46,455 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:26:46,456 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:26:46,457 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:26:46,458 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:26:46,460 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:26:46,462 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:26:46,463 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:26:46,472 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:26:46,475 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:26:46,476 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:26:46,485 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:26:46,486 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:26:46,486 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:26:46,487 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:26:46,487 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:26:46,488 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:26:46,489 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:26:46,489 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:26:46,490 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:26:46,491 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:26:46,492 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:26:46,492 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:26:46,493 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:26:46,493 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:26:46,493 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:26:46,499 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:26:46,501 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:26:46,502 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f321f3e2-17c7-4b69-ae14-f50188d89739/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-25 22:26:46,551 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:26:46,551 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:26:46,552 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:26:46,552 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:26:46,553 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:26:46,553 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:26:46,553 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:26:46,553 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:26:46,553 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:26:46,554 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 22:26:46,555 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:26:46,555 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:26:46,555 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 22:26:46,555 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 22:26:46,556 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:26:46,556 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 22:26:46,556 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 22:26:46,556 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 22:26:46,557 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:26:46,557 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:26:46,557 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:26:46,557 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:26:46,558 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:26:46,558 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:26:46,558 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:26:46,558 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:26:46,558 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:26:46,559 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:26:46,559 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:26:46,559 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:26:46,559 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:26:46,560 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 22:26:46,560 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:26:46,560 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:26:46,560 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 22:26:46,561 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 22:26:46,561 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:26:46,561 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:26:46,561 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_f321f3e2-17c7-4b69-ae14-f50188d89739/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f321f3e2-17c7-4b69-ae14-f50188d89739/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6eed6410a0dd7e708ffb27250b590aa2913bf9f742c15130caf6eadad29510cc [2022-11-25 22:26:46,829 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:26:46,873 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:26:46,876 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:26:46,877 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:26:46,877 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:26:46,878 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f321f3e2-17c7-4b69-ae14-f50188d89739/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-rhine.cil.i [2022-11-25 22:26:50,007 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:26:50,816 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:26:50,817 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f321f3e2-17c7-4b69-ae14-f50188d89739/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-rhine.cil.i [2022-11-25 22:26:50,873 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f321f3e2-17c7-4b69-ae14-f50188d89739/bin/utaipan-ByfvJB40ur/data/f5c0c804b/e47f4ec9c0c745ee958a39764bec06e9/FLAGf093f3573 [2022-11-25 22:26:50,893 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f321f3e2-17c7-4b69-ae14-f50188d89739/bin/utaipan-ByfvJB40ur/data/f5c0c804b/e47f4ec9c0c745ee958a39764bec06e9 [2022-11-25 22:26:50,898 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:26:50,900 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:26:50,901 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:26:50,901 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:26:50,905 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:26:50,906 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:26:50" (1/1) ... [2022-11-25 22:26:50,908 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53ef131c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:50, skipping insertion in model container [2022-11-25 22:26:50,908 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:26:50" (1/1) ... [2022-11-25 22:26:50,916 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:26:51,105 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:26:52,070 WARN L623 FunctionHandler]: Unknown extern function __local_bh_disable_ip [2022-11-25 22:26:52,087 WARN L623 FunctionHandler]: Unknown extern function __local_bh_enable_ip [2022-11-25 22:26:52,158 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 22:26:52,186 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-11-25 22:26:52,203 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-11-25 22:26:52,219 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 22:26:52,243 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-11-25 22:26:52,259 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-11-25 22:26:52,298 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 22:26:52,486 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 22:26:52,494 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 22:26:52,494 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-25 22:26:52,505 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-25 22:26:52,518 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-11-25 22:26:52,527 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_device [2022-11-25 22:26:52,535 WARN L623 FunctionHandler]: Unknown extern function debug_dma_mapping_error [2022-11-25 22:26:52,575 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-11-25 22:26:52,588 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 22:26:52,592 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-11-25 22:26:52,628 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-25 22:26:52,634 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-25 22:26:52,653 WARN L623 FunctionHandler]: Unknown extern function skb_pad [2022-11-25 22:26:52,702 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-11-25 22:26:52,713 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-25 22:26:52,714 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 22:26:52,779 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-25 22:26:52,782 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-25 22:26:52,798 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 22:26:52,798 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:26:52,873 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 22:26:52,874 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 22:26:52,875 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 22:26:52,875 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 22:26:52,876 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-11-25 22:26:52,977 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-11-25 22:26:52,997 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-25 22:26:53,055 WARN L623 FunctionHandler]: Unknown extern function get_random_bytes [2022-11-25 22:26:53,167 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:26:53,168 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:26:53,173 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:26:53,190 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 22:26:53,191 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:26:53,197 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:53,198 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 22:26:53,204 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:26:53,204 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:53,205 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:53,205 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:53,206 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:53,206 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:26:53,207 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:26:53,208 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:53,208 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:53,211 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:26:53,216 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:53,217 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:26:53,218 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:26:53,218 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:26:53,219 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:53,220 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:26:53,220 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:26:53,233 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:26:53,234 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:26:53,235 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:53,241 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-11-25 22:26:53,246 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-11-25 22:26:53,251 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:26:53,252 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:53,258 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:26:53,259 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:26:53,261 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:26:53,261 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:26:53,268 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 22:26:53,271 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 22:26:53,271 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 22:26:53,272 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 22:26:53,272 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 22:26:53,278 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:26:53,279 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-25 22:26:53,281 WARN L623 FunctionHandler]: Unknown extern function napi_complete [2022-11-25 22:26:53,281 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 22:26:53,287 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 22:26:53,295 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-25 22:26:53,296 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:26:53,298 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:26:53,299 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 22:26:53,301 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-11-25 22:26:53,301 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-11-25 22:26:53,302 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:26:53,305 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:26:53,306 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:26:53,307 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:26:53,308 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:26:53,308 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:26:53,309 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 22:26:53,310 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 22:26:53,310 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 22:26:53,310 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 22:26:53,311 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 22:26:53,312 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 22:26:53,313 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-11-25 22:26:53,314 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:26:53,316 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:26:53,316 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-25 22:26:53,317 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 22:26:53,317 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:26:53,318 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-11-25 22:26:53,318 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 22:26:53,319 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 22:26:53,327 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:26:53,356 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 22:26:53,370 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 22:26:53,385 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 22:26:53,391 WARN L623 FunctionHandler]: Unknown extern function mii_check_media [2022-11-25 22:26:53,392 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:26:53,393 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:53,396 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:26:53,397 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:53,398 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:26:53,404 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-25 22:26:53,410 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:26:53,415 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:53,416 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:53,417 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:53,418 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:26:53,418 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:53,419 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:26:53,420 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:53,425 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:53,425 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:53,426 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 22:26:53,428 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:26:53,429 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:53,430 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:26:53,430 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:53,435 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:53,435 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 22:26:53,436 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:53,440 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:53,441 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 22:26:53,441 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:53,446 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:26:53,447 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:53,447 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:26:53,448 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:53,514 WARN L623 FunctionHandler]: Unknown extern function find_first_bit [2022-11-25 22:26:53,515 WARN L623 FunctionHandler]: Unknown extern function find_next_bit [2022-11-25 22:26:53,522 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:53,525 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 22:26:53,526 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:53,527 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 22:26:53,527 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 22:26:53,529 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 22:26:53,529 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 22:26:53,534 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:53,541 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:53,541 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:53,542 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:53,547 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:53,548 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:53,549 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:26:53,549 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:26:53,556 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:53,556 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:53,558 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:53,558 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:53,558 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:53,559 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 22:26:53,561 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:53,561 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:53,562 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 22:26:53,562 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:53,567 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 22:26:53,568 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 22:26:53,568 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-25 22:26:53,568 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-25 22:26:53,573 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 22:26:53,574 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 22:26:53,577 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:26:53,584 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 22:26:53,584 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:26:53,586 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 22:26:53,587 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 22:26:53,588 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 22:26:53,588 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-25 22:26:53,591 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 22:26:53,592 WARN L623 FunctionHandler]: Unknown extern function skb_copy_and_csum_dev [2022-11-25 22:26:53,596 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 22:26:53,600 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:26:53,601 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:53,601 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:26:53,602 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:53,602 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:26:53,603 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:26:53,610 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 22:26:53,613 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:26:53,614 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:26:53,621 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:26:53,623 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:26:53,630 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:26:53,632 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 22:26:53,642 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:26:53,644 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:26:53,645 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-25 22:26:53,646 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-25 22:26:53,648 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:26:53,650 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 22:26:53,651 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:26:53,652 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 22:26:53,652 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-25 22:26:53,653 WARN L623 FunctionHandler]: Unknown extern function netif_receive_skb [2022-11-25 22:26:53,659 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 22:26:53,661 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 22:26:53,662 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:26:53,662 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:53,663 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:26:53,663 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:53,664 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:26:53,664 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:53,664 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:26:53,665 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-25 22:26:53,666 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 22:26:53,668 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-25 22:26:53,668 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 22:26:53,668 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 22:26:53,669 WARN L623 FunctionHandler]: Unknown extern function netdev_stats_to_stats64 [2022-11-25 22:26:53,671 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 22:26:53,672 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 22:26:53,680 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 22:26:53,681 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 22:26:53,683 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-11-25 22:26:53,683 WARN L623 FunctionHandler]: Unknown extern function bitrev32 [2022-11-25 22:26:53,687 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 22:26:53,687 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 22:26:53,689 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:26:53,689 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:53,689 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:26:53,690 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:53,690 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:26:53,691 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:53,696 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 22:26:53,697 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 22:26:53,698 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 22:26:53,703 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 22:26:53,703 WARN L623 FunctionHandler]: Unknown extern function mii_ethtool_gset [2022-11-25 22:26:53,703 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 22:26:53,708 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 22:26:53,709 WARN L623 FunctionHandler]: Unknown extern function mii_ethtool_sset [2022-11-25 22:26:53,709 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 22:26:53,714 WARN L623 FunctionHandler]: Unknown extern function mii_nway_restart [2022-11-25 22:26:53,719 WARN L623 FunctionHandler]: Unknown extern function mii_link_ok [2022-11-25 22:26:53,742 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 22:26:53,742 WARN L623 FunctionHandler]: Unknown extern function generic_mii_ioctl [2022-11-25 22:26:53,743 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 22:26:53,745 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 22:26:53,747 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:26:53,748 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:53,749 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 22:26:53,754 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-11-25 22:26:53,755 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 22:26:53,755 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 22:26:53,760 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:53,762 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:53,762 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:26:53,762 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:53,763 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:53,764 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:53,765 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:53,765 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:53,766 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:26:53,766 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:53,767 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:26:53,767 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:53,767 WARN L623 FunctionHandler]: Unknown extern function pci_wake_from_d3 [2022-11-25 22:26:53,771 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-25 22:26:53,777 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-25 22:26:53,789 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-25 22:26:53,810 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:26:53,811 WARN L623 FunctionHandler]: Unknown extern function dmi_check_system [2022-11-25 22:26:53,812 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:26:53,812 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:26:54,239 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-11-25 22:26:54,240 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-11-25 22:26:54,241 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-11-25 22:26:54,245 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 22:26:54,248 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 22:26:54,249 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 22:26:54,258 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-25 22:26:54,266 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-25 22:26:54,275 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-11-25 22:26:54,284 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-11-25 22:26:54,284 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-25 22:26:54,285 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 22:26:54,286 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 22:26:54,287 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 22:26:54,287 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 22:26:54,288 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 22:26:54,288 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-25 22:26:54,289 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-25 22:26:54,341 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-11-25 22:26:54,341 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 22:26:54,351 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:26:54,930 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_f321f3e2-17c7-4b69-ae14-f50188d89739/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-rhine.cil.i[404089,404102] [2022-11-25 22:26:54,934 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f321f3e2-17c7-4b69-ae14-f50188d89739/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-rhine.cil.i[404258,404271] [2022-11-25 22:26:54,942 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f321f3e2-17c7-4b69-ae14-f50188d89739/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-rhine.cil.i[404425,404438] [2022-11-25 22:26:54,942 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f321f3e2-17c7-4b69-ae14-f50188d89739/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-rhine.cil.i[404593,404606] [2022-11-25 22:26:54,987 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:26:55,058 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:26:55,181 WARN L623 FunctionHandler]: Unknown extern function __local_bh_disable_ip [2022-11-25 22:26:55,181 WARN L623 FunctionHandler]: Unknown extern function __local_bh_enable_ip [2022-11-25 22:26:55,182 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 22:26:55,183 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-11-25 22:26:55,183 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-11-25 22:26:55,184 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 22:26:55,184 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-11-25 22:26:55,184 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-11-25 22:26:55,185 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 22:26:55,191 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 22:26:55,192 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-25 22:26:55,193 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-11-25 22:26:55,195 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-11-25 22:26:55,197 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-11-25 22:26:55,198 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_device [2022-11-25 22:26:55,198 WARN L623 FunctionHandler]: Unknown extern function debug_dma_mapping_error [2022-11-25 22:26:55,203 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-11-25 22:26:55,204 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 22:26:55,204 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-11-25 22:26:55,207 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-25 22:26:55,211 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-11-25 22:26:55,212 WARN L623 FunctionHandler]: Unknown extern function skb_pad [2022-11-25 22:26:55,214 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-11-25 22:26:55,214 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-25 22:26:55,215 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 22:26:55,217 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-11-25 22:26:55,218 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-11-25 22:26:55,219 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 22:26:55,220 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:26:55,223 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 22:26:55,223 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 22:26:55,224 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 22:26:55,224 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 22:26:55,225 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-11-25 22:26:55,236 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-11-25 22:26:55,237 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-11-25 22:26:55,239 WARN L623 FunctionHandler]: Unknown extern function get_random_bytes [2022-11-25 22:26:55,243 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:26:55,244 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:26:55,246 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:26:55,248 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 22:26:55,248 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:26:55,249 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:55,250 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 22:26:55,251 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:26:55,252 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:55,252 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:55,253 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:55,255 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:55,255 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:26:55,256 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:26:55,257 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:55,257 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:55,260 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:26:55,261 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:55,261 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:26:55,262 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:26:55,262 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:26:55,263 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:55,263 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:26:55,264 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:26:55,267 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:26:55,268 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:26:55,268 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:55,269 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-11-25 22:26:55,270 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-11-25 22:26:55,271 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:26:55,271 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:55,272 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:26:55,273 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:26:55,275 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:26:55,278 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:26:55,279 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 22:26:55,279 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 22:26:55,280 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 22:26:55,280 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 22:26:55,281 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 22:26:55,282 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:26:55,283 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-25 22:26:55,284 WARN L623 FunctionHandler]: Unknown extern function napi_complete [2022-11-25 22:26:55,284 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 22:26:55,286 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-11-25 22:26:55,289 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-11-25 22:26:55,289 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:26:55,291 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:26:55,291 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-11-25 22:26:55,295 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-11-25 22:26:55,296 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-11-25 22:26:55,296 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:26:55,297 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-25 22:26:55,298 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:26:55,299 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:26:55,299 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:26:55,303 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:26:55,307 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 22:26:55,307 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 22:26:55,308 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 22:26:55,308 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 22:26:55,309 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 22:26:55,309 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 22:26:55,310 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-11-25 22:26:55,313 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:26:55,314 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:26:55,315 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-25 22:26:55,315 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-11-25 22:26:55,315 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:26:55,316 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-11-25 22:26:55,316 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 22:26:55,316 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 22:26:55,318 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:26:55,323 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 22:26:55,324 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 22:26:55,327 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 22:26:55,328 WARN L623 FunctionHandler]: Unknown extern function mii_check_media [2022-11-25 22:26:55,328 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:26:55,329 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:55,329 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:26:55,329 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:55,330 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:26:55,331 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-11-25 22:26:55,331 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-11-25 22:26:55,332 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:55,332 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:55,333 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:55,333 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:26:55,333 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:55,334 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:26:55,334 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:55,334 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:55,335 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:55,335 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 22:26:55,336 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:26:55,336 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:55,336 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:26:55,336 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:55,337 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:55,337 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 22:26:55,337 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:55,337 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:55,338 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 22:26:55,343 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:55,344 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:26:55,344 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:55,344 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:26:55,345 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:55,345 WARN L623 FunctionHandler]: Unknown extern function find_first_bit [2022-11-25 22:26:55,346 WARN L623 FunctionHandler]: Unknown extern function find_next_bit [2022-11-25 22:26:55,348 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:55,348 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 22:26:55,348 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:55,350 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 22:26:55,351 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 22:26:55,351 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 22:26:55,351 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 22:26:55,352 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:55,352 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:55,352 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:55,353 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:55,353 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:55,353 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:55,354 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:26:55,354 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-11-25 22:26:55,354 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:55,420 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:55,421 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:55,422 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:55,422 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:55,422 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 22:26:55,423 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:55,423 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:55,423 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 22:26:55,423 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:55,424 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 22:26:55,424 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 22:26:55,424 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-25 22:26:55,424 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-25 22:26:55,424 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 22:26:55,425 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 22:26:55,426 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:26:55,430 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 22:26:55,431 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:26:55,432 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 22:26:55,434 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 22:26:55,435 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 22:26:55,435 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-25 22:26:55,437 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 22:26:55,437 WARN L623 FunctionHandler]: Unknown extern function skb_copy_and_csum_dev [2022-11-25 22:26:55,438 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 22:26:55,443 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:26:55,443 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:55,444 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:26:55,444 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:55,444 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:26:55,447 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:26:55,448 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 22:26:55,450 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:26:55,450 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:26:55,452 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:26:55,454 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:26:55,456 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:26:55,457 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 22:26:55,462 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:26:55,463 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:26:55,463 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-25 22:26:55,464 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-25 22:26:55,465 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:26:55,468 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 22:26:55,469 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-11-25 22:26:55,469 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 22:26:55,470 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-11-25 22:26:55,470 WARN L623 FunctionHandler]: Unknown extern function netif_receive_skb [2022-11-25 22:26:55,472 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-11-25 22:26:55,474 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 22:26:55,474 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:26:55,475 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:55,475 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:26:55,475 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:55,476 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:26:55,476 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:55,476 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:26:55,477 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-25 22:26:55,478 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 22:26:55,479 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-25 22:26:55,479 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 22:26:55,479 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 22:26:55,480 WARN L623 FunctionHandler]: Unknown extern function netdev_stats_to_stats64 [2022-11-25 22:26:55,481 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 22:26:55,482 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 22:26:55,483 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 22:26:55,483 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 22:26:55,484 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-11-25 22:26:55,485 WARN L623 FunctionHandler]: Unknown extern function bitrev32 [2022-11-25 22:26:55,486 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 22:26:55,486 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-11-25 22:26:55,486 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:26:55,487 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:55,488 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:26:55,488 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:55,488 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:26:55,489 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:55,489 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 22:26:55,490 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 22:26:55,490 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-11-25 22:26:55,491 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 22:26:55,491 WARN L623 FunctionHandler]: Unknown extern function mii_ethtool_gset [2022-11-25 22:26:55,491 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 22:26:55,492 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 22:26:55,492 WARN L623 FunctionHandler]: Unknown extern function mii_ethtool_sset [2022-11-25 22:26:55,492 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 22:26:55,493 WARN L623 FunctionHandler]: Unknown extern function mii_nway_restart [2022-11-25 22:26:55,493 WARN L623 FunctionHandler]: Unknown extern function mii_link_ok [2022-11-25 22:26:55,495 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-11-25 22:26:55,496 WARN L623 FunctionHandler]: Unknown extern function generic_mii_ioctl [2022-11-25 22:26:55,496 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 22:26:55,498 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-11-25 22:26:55,498 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:26:55,499 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:55,499 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-11-25 22:26:55,500 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-11-25 22:26:55,500 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-11-25 22:26:55,500 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-11-25 22:26:55,502 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:55,502 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:55,503 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:26:55,503 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:55,503 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:55,504 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:55,504 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:55,504 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:55,505 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:26:55,505 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:55,506 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-11-25 22:26:55,506 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-11-25 22:26:55,506 WARN L623 FunctionHandler]: Unknown extern function pci_wake_from_d3 [2022-11-25 22:26:55,506 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-11-25 22:26:55,507 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-11-25 22:26:55,509 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-11-25 22:26:55,517 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:26:55,518 WARN L623 FunctionHandler]: Unknown extern function dmi_check_system [2022-11-25 22:26:55,518 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:26:55,519 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:26:55,526 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-11-25 22:26:55,527 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-11-25 22:26:55,528 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-11-25 22:26:55,531 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 22:26:55,535 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-11-25 22:26:55,535 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-11-25 22:26:55,543 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-25 22:26:55,549 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-25 22:26:55,579 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-11-25 22:26:55,596 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-11-25 22:26:55,596 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-11-25 22:26:55,597 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 22:26:55,597 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 22:26:55,598 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-11-25 22:26:55,598 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-11-25 22:26:55,599 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-11-25 22:26:55,599 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-11-25 22:26:55,599 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-11-25 22:26:55,602 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-11-25 22:26:55,602 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 22:26:55,603 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:26:55,623 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_f321f3e2-17c7-4b69-ae14-f50188d89739/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-rhine.cil.i[404089,404102] [2022-11-25 22:26:55,623 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_f321f3e2-17c7-4b69-ae14-f50188d89739/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-rhine.cil.i[404258,404271] [2022-11-25 22:26:55,624 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_f321f3e2-17c7-4b69-ae14-f50188d89739/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-rhine.cil.i[404425,404438] [2022-11-25 22:26:55,624 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_f321f3e2-17c7-4b69-ae14-f50188d89739/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-rhine.cil.i[404593,404606] [2022-11-25 22:26:55,633 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:26:55,905 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:26:55,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:55 WrapperNode [2022-11-25 22:26:55,905 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:26:55,906 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:26:55,907 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:26:55,907 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:26:55,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:55" (1/1) ... [2022-11-25 22:26:56,040 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:55" (1/1) ... [2022-11-25 22:26:56,233 INFO L138 Inliner]: procedures = 559, calls = 2809, calls flagged for inlining = 291, calls inlined = 253, statements flattened = 5834 [2022-11-25 22:26:56,234 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:26:56,235 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:26:56,235 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:26:56,235 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:26:56,244 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:55" (1/1) ... [2022-11-25 22:26:56,244 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:55" (1/1) ... [2022-11-25 22:26:56,271 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:55" (1/1) ... [2022-11-25 22:26:56,272 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:55" (1/1) ... [2022-11-25 22:26:56,471 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:55" (1/1) ... [2022-11-25 22:26:56,500 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:55" (1/1) ... [2022-11-25 22:26:56,527 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:55" (1/1) ... [2022-11-25 22:26:56,543 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:55" (1/1) ... [2022-11-25 22:26:56,584 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:26:56,587 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:26:56,588 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:26:56,588 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:26:56,589 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:55" (1/1) ... [2022-11-25 22:26:56,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:26:56,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f321f3e2-17c7-4b69-ae14-f50188d89739/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:26:56,626 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f321f3e2-17c7-4b69-ae14-f50188d89739/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:26:56,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f321f3e2-17c7-4b69-ae14-f50188d89739/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:26:56,672 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-25 22:26:56,672 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-25 22:26:56,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-25 22:26:56,672 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-25 22:26:56,672 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-25 22:26:56,673 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-25 22:26:56,673 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-25 22:26:56,673 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-25 22:26:56,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 22:26:56,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 22:26:56,673 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-25 22:26:56,674 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-25 22:26:56,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-25 22:26:56,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-25 22:26:56,674 INFO L130 BoogieDeclarations]: Found specification of procedure free_tbufs [2022-11-25 22:26:56,674 INFO L138 BoogieDeclarations]: Found implementation of procedure free_tbufs [2022-11-25 22:26:56,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_80 [2022-11-25 22:26:56,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_80 [2022-11-25 22:26:56,675 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-25 22:26:56,675 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-25 22:26:56,675 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-25 22:26:56,675 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-25 22:26:56,675 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-25 22:26:56,676 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-25 22:26:56,676 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-25 22:26:56,676 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-25 22:26:56,676 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-11-25 22:26:56,676 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-11-25 22:26:56,676 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_poll [2022-11-25 22:26:56,676 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_poll [2022-11-25 22:26:56,677 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2022-11-25 22:26:56,677 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2022-11-25 22:26:56,677 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-25 22:26:56,677 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-25 22:26:56,677 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_wait_bit_low [2022-11-25 22:26:56,677 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_wait_bit_low [2022-11-25 22:26:56,678 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-25 22:26:56,678 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-25 22:26:56,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-25 22:26:56,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-25 22:26:56,678 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-25 22:26:56,678 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-25 22:26:56,679 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-25 22:26:56,679 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-25 22:26:56,679 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-25 22:26:56,679 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-25 22:26:56,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-25 22:26:56,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-25 22:26:56,680 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-25 22:26:56,680 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-25 22:26:56,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 22:26:56,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_62 [2022-11-25 22:26:56,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_62 [2022-11-25 22:26:56,681 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-25 22:26:56,681 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-25 22:26:56,682 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_wait_bit [2022-11-25 22:26:56,682 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_wait_bit [2022-11-25 22:26:56,682 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-25 22:26:56,682 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-25 22:26:56,682 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-25 22:26:56,683 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-25 22:26:56,683 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_rbufs [2022-11-25 22:26:56,683 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_rbufs [2022-11-25 22:26:56,683 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-25 22:26:56,683 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-25 22:26:56,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-25 22:26:56,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-25 22:26:56,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-25 22:26:56,684 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_interrupt [2022-11-25 22:26:56,684 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_interrupt [2022-11-25 22:26:56,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 22:26:56,684 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-25 22:26:56,684 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-25 22:26:56,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-25 22:26:56,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-25 22:26:56,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-25 22:26:56,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-25 22:26:56,685 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_task_disable [2022-11-25 22:26:56,685 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_task_disable [2022-11-25 22:26:56,686 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2022-11-25 22:26:56,686 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2022-11-25 22:26:56,686 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-25 22:26:56,686 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-25 22:26:56,686 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-25 22:26:56,686 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-25 22:26:56,686 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_set_carrier [2022-11-25 22:26:56,687 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_set_carrier [2022-11-25 22:26:56,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-25 22:26:56,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-25 22:26:56,687 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_shutdown [2022-11-25 22:26:56,687 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_shutdown [2022-11-25 22:26:56,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 22:26:56,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-25 22:26:56,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-25 22:26:56,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-25 22:26:56,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-25 22:26:56,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-25 22:26:56,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-25 22:26:56,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-11-25 22:26:56,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-11-25 22:26:56,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 22:26:56,689 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_nway_reset [2022-11-25 22:26:56,689 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_nway_reset [2022-11-25 22:26:56,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-25 22:26:56,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-25 22:26:56,690 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-25 22:26:56,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-25 22:26:56,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 22:26:56,690 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-25 22:26:56,690 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2022-11-25 22:26:56,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2022-11-25 22:26:56,690 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 22:26:56,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 22:26:56,691 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_set_rx_mode [2022-11-25 22:26:56,691 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_set_rx_mode [2022-11-25 22:26:56,691 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-25 22:26:56,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-25 22:26:56,692 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_update_rx_crc_and_missed_errord [2022-11-25 22:26:56,692 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_update_rx_crc_and_missed_errord [2022-11-25 22:26:56,692 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2022-11-25 22:26:56,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2022-11-25 22:26:56,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_rhine_private [2022-11-25 22:26:56,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_rhine_private [2022-11-25 22:26:56,693 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-25 22:26:56,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-25 22:26:56,693 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-11-25 22:26:56,693 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-11-25 22:26:56,693 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-25 22:26:56,693 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-25 22:26:56,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-25 22:26:56,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-25 22:26:56,694 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2022-11-25 22:26:56,694 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2022-11-25 22:26:56,694 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-25 22:26:56,694 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-25 22:26:56,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_68 [2022-11-25 22:26:56,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_68 [2022-11-25 22:26:56,695 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_power_init [2022-11-25 22:26:56,695 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_power_init [2022-11-25 22:26:56,695 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_tx_timeout [2022-11-25 22:26:56,695 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_tx_timeout [2022-11-25 22:26:56,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_rhine_private [2022-11-25 22:26:56,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_rhine_private [2022-11-25 22:26:56,696 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-11-25 22:26:56,696 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-11-25 22:26:56,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:26:56,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:26:56,696 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-25 22:26:56,696 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-25 22:26:56,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-25 22:26:56,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-25 22:26:56,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-25 22:26:56,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-25 22:26:56,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-25 22:26:56,697 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-25 22:26:56,697 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_chip_reset [2022-11-25 22:26:56,698 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_chip_reset [2022-11-25 22:26:56,698 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-25 22:26:56,698 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-25 22:26:56,698 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-25 22:26:56,698 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-25 22:26:56,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 22:26:56,698 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 22:26:56,699 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_set_cam_mask [2022-11-25 22:26:56,699 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_set_cam_mask [2022-11-25 22:26:56,699 INFO L130 BoogieDeclarations]: Found specification of procedure init_registers [2022-11-25 22:26:56,699 INFO L138 BoogieDeclarations]: Found implementation of procedure init_registers [2022-11-25 22:26:56,699 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-25 22:26:56,699 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-25 22:26:56,700 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_remove_one [2022-11-25 22:26:56,700 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_remove_one [2022-11-25 22:26:56,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-25 22:26:56,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-25 22:26:56,700 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-25 22:26:56,700 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-25 22:26:56,700 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_close [2022-11-25 22:26:56,701 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_close [2022-11-25 22:26:56,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_79 [2022-11-25 22:26:56,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_79 [2022-11-25 22:26:56,701 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-25 22:26:56,701 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-25 22:26:56,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 22:26:56,702 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-25 22:26:56,702 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-25 22:26:56,702 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-25 22:26:56,702 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-25 22:26:56,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 22:26:56,703 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_check_media [2022-11-25 22:26:56,703 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_check_media [2022-11-25 22:26:56,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rhine_cleanup_14_2 [2022-11-25 22:26:56,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rhine_cleanup_14_2 [2022-11-25 22:26:56,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 22:26:56,703 INFO L130 BoogieDeclarations]: Found specification of procedure free_rbufs [2022-11-25 22:26:56,704 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rbufs [2022-11-25 22:26:56,704 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_get_events [2022-11-25 22:26:56,704 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_get_events [2022-11-25 22:26:56,704 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-25 22:26:56,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-25 22:26:56,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-25 22:26:56,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-25 22:26:56,705 INFO L130 BoogieDeclarations]: Found specification of procedure enable_mmio [2022-11-25 22:26:56,705 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_mmio [2022-11-25 22:26:56,705 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_set_vlan_cam_mask [2022-11-25 22:26:56,705 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_set_vlan_cam_mask [2022-11-25 22:26:56,705 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-25 22:26:56,705 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-25 22:26:56,705 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-25 22:26:56,706 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-25 22:26:56,706 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-25 22:26:56,706 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-25 22:26:56,706 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-25 22:26:56,706 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-25 22:26:56,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-25 22:26:56,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-25 22:26:56,707 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-25 22:26:56,707 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-25 22:26:56,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-25 22:26:56,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-25 22:26:56,707 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-25 22:26:56,707 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-25 22:26:56,708 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-25 22:26:56,708 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-25 22:26:56,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_63 [2022-11-25 22:26:56,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_63 [2022-11-25 22:26:56,708 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_disable_linkmon [2022-11-25 22:26:56,708 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_disable_linkmon [2022-11-25 22:26:56,708 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_ack_events [2022-11-25 22:26:56,709 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_ack_events [2022-11-25 22:26:56,709 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-25 22:26:56,709 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-25 22:26:56,709 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_resume [2022-11-25 22:26:56,709 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_resume [2022-11-25 22:26:56,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 22:26:56,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_67 [2022-11-25 22:26:56,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_67 [2022-11-25 22:26:56,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-25 22:26:56,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-25 22:26:56,710 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2022-11-25 22:26:56,710 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2022-11-25 22:26:56,711 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-25 22:26:56,711 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-25 22:26:56,711 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_wait_bit_high [2022-11-25 22:26:56,711 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_wait_bit_high [2022-11-25 22:26:56,711 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_irq_disable [2022-11-25 22:26:56,711 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_irq_disable [2022-11-25 22:26:56,711 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_task_enable [2022-11-25 22:26:56,712 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_task_enable [2022-11-25 22:26:56,712 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_tbufs [2022-11-25 22:26:56,712 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_tbufs [2022-11-25 22:26:56,712 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-25 22:26:56,712 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-25 22:26:56,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-25 22:26:56,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-25 22:26:56,713 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-25 22:26:56,713 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-25 22:26:56,713 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-25 22:26:56,713 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-25 22:26:56,713 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_enable_linkmon [2022-11-25 22:26:56,713 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_enable_linkmon [2022-11-25 22:26:56,714 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_update_vcam [2022-11-25 22:26:56,714 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_update_vcam [2022-11-25 22:26:56,714 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-25 22:26:56,714 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-25 22:26:56,714 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-11-25 22:26:56,714 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-11-25 22:26:56,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 22:26:56,715 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_suspend [2022-11-25 22:26:56,715 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_suspend [2022-11-25 22:26:56,715 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_open [2022-11-25 22:26:56,715 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_open [2022-11-25 22:26:56,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-25 22:26:56,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-25 22:26:57,773 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:26:57,778 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:26:58,005 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-25 22:37:20,446 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-25 22:37:20,540 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:37:24,122 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:37:24,124 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-25 22:37:24,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:37:24 BoogieIcfgContainer [2022-11-25 22:37:24,130 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 22:37:24,134 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 22:37:24,134 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 22:37:24,137 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 22:37:24,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 10:26:50" (1/3) ... [2022-11-25 22:37:24,139 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36808782 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:37:24, skipping insertion in model container [2022-11-25 22:37:24,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:26:55" (2/3) ... [2022-11-25 22:37:24,140 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36808782 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:37:24, skipping insertion in model container [2022-11-25 22:37:24,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:37:24" (3/3) ... [2022-11-25 22:37:24,141 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-rhine.cil.i [2022-11-25 22:37:24,161 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 22:37:24,161 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-25 22:37:24,267 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 22:37:24,278 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;@4d1ecc35, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 22:37:24,278 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-25 22:37:24,291 INFO L276 IsEmpty]: Start isEmpty. Operand has 1684 states, 951 states have (on average 1.3112513144058886) internal successors, (1247), 1000 states have internal predecessors, (1247), 604 states have call successors, (604), 128 states have call predecessors, (604), 127 states have return successors, (595), 582 states have call predecessors, (595), 595 states have call successors, (595) [2022-11-25 22:37:24,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-11-25 22:37:24,325 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:37:24,326 INFO L195 NwaCegarLoop]: trace histogram [15, 14, 14, 14, 14, 14, 14, 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] [2022-11-25 22:37:24,326 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)] === [2022-11-25 22:37:24,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:37:24,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1548668371, now seen corresponding path program 1 times [2022-11-25 22:37:24,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:37:24,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038509973] [2022-11-25 22:37:24,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:37:24,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:37:25,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:37:27,300 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 759 trivial. 0 not checked. [2022-11-25 22:37:27,301 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:37:27,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038509973] [2022-11-25 22:37:27,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038509973] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:37:27,306 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:37:27,307 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:37:27,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758294981] [2022-11-25 22:37:27,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:37:27,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:37:27,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:37:27,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:37:27,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:37:27,370 INFO L87 Difference]: Start difference. First operand has 1684 states, 951 states have (on average 1.3112513144058886) internal successors, (1247), 1000 states have internal predecessors, (1247), 604 states have call successors, (604), 128 states have call predecessors, (604), 127 states have return successors, (595), 582 states have call predecessors, (595), 595 states have call successors, (595) Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-25 22:37:29,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:37:35,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:37:35,096 INFO L93 Difference]: Finished difference Result 4901 states and 7279 transitions. [2022-11-25 22:37:35,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:37:35,098 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 165 [2022-11-25 22:37:35,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:37:35,131 INFO L225 Difference]: With dead ends: 4901 [2022-11-25 22:37:35,131 INFO L226 Difference]: Without dead ends: 3233 [2022-11-25 22:37:35,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:37:35,147 INFO L413 NwaCegarLoop]: 2632 mSDtfsCounter, 2301 mSDsluCounter, 2044 mSDsCounter, 0 mSdLazyCounter, 718 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2301 SdHoareTripleChecker+Valid, 4676 SdHoareTripleChecker+Invalid, 728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 718 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-11-25 22:37:35,148 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2301 Valid, 4676 Invalid, 728 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 718 Invalid, 1 Unknown, 0 Unchecked, 7.3s Time] [2022-11-25 22:37:35,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3233 states. [2022-11-25 22:37:35,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3233 to 3229. [2022-11-25 22:37:35,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3229 states, 1836 states have (on average 1.3044662309368191) internal successors, (2395), 1931 states have internal predecessors, (2395), 1140 states have call successors, (1140), 251 states have call predecessors, (1140), 250 states have return successors, (1136), 1110 states have call predecessors, (1136), 1136 states have call successors, (1136) [2022-11-25 22:37:35,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3229 states to 3229 states and 4671 transitions. [2022-11-25 22:37:35,440 INFO L78 Accepts]: Start accepts. Automaton has 3229 states and 4671 transitions. Word has length 165 [2022-11-25 22:37:35,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:37:35,441 INFO L495 AbstractCegarLoop]: Abstraction has 3229 states and 4671 transitions. [2022-11-25 22:37:35,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-25 22:37:35,442 INFO L276 IsEmpty]: Start isEmpty. Operand 3229 states and 4671 transitions. [2022-11-25 22:37:35,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-11-25 22:37:35,447 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:37:35,448 INFO L195 NwaCegarLoop]: trace histogram [15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:37:35,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 22:37:35,448 INFO L420 AbstractCegarLoop]: === Iteration 2 === 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)] === [2022-11-25 22:37:35,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:37:35,449 INFO L85 PathProgramCache]: Analyzing trace with hash -535378237, now seen corresponding path program 1 times [2022-11-25 22:37:35,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:37:35,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540362277] [2022-11-25 22:37:35,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:37:35,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:37:36,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:37:37,479 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-11-25 22:37:37,479 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:37:37,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540362277] [2022-11-25 22:37:37,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540362277] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:37:37,480 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:37:37,480 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:37:37,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733913634] [2022-11-25 22:37:37,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:37:37,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:37:37,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:37:37,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:37:37,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:37:37,483 INFO L87 Difference]: Start difference. First operand 3229 states and 4671 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-25 22:37:39,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:37:45,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:37:45,191 INFO L93 Difference]: Finished difference Result 9107 states and 13119 transitions. [2022-11-25 22:37:45,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:37:45,192 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 169 [2022-11-25 22:37:45,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:37:45,243 INFO L225 Difference]: With dead ends: 9107 [2022-11-25 22:37:45,243 INFO L226 Difference]: Without dead ends: 5907 [2022-11-25 22:37:45,262 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:37:45,263 INFO L413 NwaCegarLoop]: 2549 mSDtfsCounter, 1960 mSDsluCounter, 2008 mSDsCounter, 0 mSdLazyCounter, 733 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1960 SdHoareTripleChecker+Valid, 4557 SdHoareTripleChecker+Invalid, 741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 733 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-11-25 22:37:45,264 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1960 Valid, 4557 Invalid, 741 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 733 Invalid, 1 Unknown, 0 Unchecked, 7.3s Time] [2022-11-25 22:37:45,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5907 states. [2022-11-25 22:37:45,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5907 to 5878. [2022-11-25 22:37:45,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5878 states, 3331 states have (on average 1.2957069948964275) internal successors, (4316), 3511 states have internal predecessors, (4316), 2065 states have call successors, (2065), 482 states have call predecessors, (2065), 479 states have return successors, (2063), 2002 states have call predecessors, (2063), 2061 states have call successors, (2063) [2022-11-25 22:37:45,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5878 states to 5878 states and 8444 transitions. [2022-11-25 22:37:45,647 INFO L78 Accepts]: Start accepts. Automaton has 5878 states and 8444 transitions. Word has length 169 [2022-11-25 22:37:45,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:37:45,650 INFO L495 AbstractCegarLoop]: Abstraction has 5878 states and 8444 transitions. [2022-11-25 22:37:45,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-25 22:37:45,650 INFO L276 IsEmpty]: Start isEmpty. Operand 5878 states and 8444 transitions. [2022-11-25 22:37:45,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-11-25 22:37:45,659 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:37:45,660 INFO L195 NwaCegarLoop]: trace histogram [15, 14, 14, 14, 14, 14, 14, 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] [2022-11-25 22:37:45,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 22:37:45,660 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 22:37:45,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:37:45,670 INFO L85 PathProgramCache]: Analyzing trace with hash -1923686432, now seen corresponding path program 1 times [2022-11-25 22:37:45,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:37:45,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116535320] [2022-11-25 22:37:45,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:37:45,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:37:46,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:37:48,020 INFO L134 CoverageAnalysis]: Checked inductivity of 758 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 758 trivial. 0 not checked. [2022-11-25 22:37:48,023 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:37:48,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116535320] [2022-11-25 22:37:48,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116535320] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:37:48,024 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:37:48,024 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:37:48,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176486170] [2022-11-25 22:37:48,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:37:48,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:37:48,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:37:48,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:37:48,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:37:48,027 INFO L87 Difference]: Start difference. First operand 5878 states and 8444 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-25 22:37:50,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:37:55,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:37:55,732 INFO L93 Difference]: Finished difference Result 16804 states and 24074 transitions. [2022-11-25 22:37:55,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:37:55,732 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 186 [2022-11-25 22:37:55,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:37:55,811 INFO L225 Difference]: With dead ends: 16804 [2022-11-25 22:37:55,811 INFO L226 Difference]: Without dead ends: 10955 [2022-11-25 22:37:55,843 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:37:55,844 INFO L413 NwaCegarLoop]: 2741 mSDtfsCounter, 2042 mSDsluCounter, 2005 mSDsCounter, 0 mSdLazyCounter, 802 mSolverCounterSat, 29 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2042 SdHoareTripleChecker+Valid, 4746 SdHoareTripleChecker+Invalid, 832 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 802 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-11-25 22:37:55,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2042 Valid, 4746 Invalid, 832 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 802 Invalid, 1 Unknown, 0 Unchecked, 7.3s Time] [2022-11-25 22:37:55,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10955 states. [2022-11-25 22:37:56,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10955 to 10922. [2022-11-25 22:37:56,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10922 states, 6167 states have (on average 1.2790659964326252) internal successors, (7888), 6497 states have internal predecessors, (7888), 3817 states have call successors, (3817), 940 states have call predecessors, (3817), 935 states have return successors, (3815), 3700 states have call predecessors, (3815), 3813 states have call successors, (3815) [2022-11-25 22:37:56,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10922 states to 10922 states and 15520 transitions. [2022-11-25 22:37:56,820 INFO L78 Accepts]: Start accepts. Automaton has 10922 states and 15520 transitions. Word has length 186 [2022-11-25 22:37:56,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:37:56,822 INFO L495 AbstractCegarLoop]: Abstraction has 10922 states and 15520 transitions. [2022-11-25 22:37:56,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-25 22:37:56,823 INFO L276 IsEmpty]: Start isEmpty. Operand 10922 states and 15520 transitions. [2022-11-25 22:37:56,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-11-25 22:37:56,829 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:37:56,829 INFO L195 NwaCegarLoop]: trace histogram [15, 14, 14, 14, 14, 14, 14, 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] [2022-11-25 22:37:56,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 22:37:56,830 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 22:37:56,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:37:56,831 INFO L85 PathProgramCache]: Analyzing trace with hash 571403285, now seen corresponding path program 1 times [2022-11-25 22:37:56,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:37:56,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10440576] [2022-11-25 22:37:56,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:37:56,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:37:57,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:38:01,359 INFO L134 CoverageAnalysis]: Checked inductivity of 758 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 758 trivial. 0 not checked. [2022-11-25 22:38:01,360 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:38:01,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10440576] [2022-11-25 22:38:01,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10440576] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:38:01,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:38:01,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 22:38:01,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077740941] [2022-11-25 22:38:01,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:38:01,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 22:38:01,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:38:01,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 22:38:01,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-25 22:38:01,362 INFO L87 Difference]: Start difference. First operand 10922 states and 15520 transitions. Second operand has 6 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-25 22:38:03,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:38:21,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:38:21,834 INFO L93 Difference]: Finished difference Result 27780 states and 39324 transitions. [2022-11-25 22:38:21,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 22:38:21,835 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 181 [2022-11-25 22:38:21,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:38:21,945 INFO L225 Difference]: With dead ends: 27780 [2022-11-25 22:38:21,946 INFO L226 Difference]: Without dead ends: 16887 [2022-11-25 22:38:21,998 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-25 22:38:21,999 INFO L413 NwaCegarLoop]: 3352 mSDtfsCounter, 5921 mSDsluCounter, 4344 mSDsCounter, 0 mSdLazyCounter, 3376 mSolverCounterSat, 1203 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6060 SdHoareTripleChecker+Valid, 7696 SdHoareTripleChecker+Invalid, 4580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1203 IncrementalHoareTripleChecker+Valid, 3376 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.5s IncrementalHoareTripleChecker+Time [2022-11-25 22:38:22,000 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6060 Valid, 7696 Invalid, 4580 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1203 Valid, 3376 Invalid, 1 Unknown, 0 Unchecked, 19.5s Time] [2022-11-25 22:38:22,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16887 states. [2022-11-25 22:38:23,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16887 to 16817. [2022-11-25 22:38:23,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16817 states, 9511 states have (on average 1.2726316896225423) internal successors, (12104), 10020 states have internal predecessors, (12104), 5780 states have call successors, (5780), 1536 states have call predecessors, (5780), 1523 states have return successors, (5779), 5569 states have call predecessors, (5779), 5776 states have call successors, (5779) [2022-11-25 22:38:23,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16817 states to 16817 states and 23663 transitions. [2022-11-25 22:38:23,109 INFO L78 Accepts]: Start accepts. Automaton has 16817 states and 23663 transitions. Word has length 181 [2022-11-25 22:38:23,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:38:23,110 INFO L495 AbstractCegarLoop]: Abstraction has 16817 states and 23663 transitions. [2022-11-25 22:38:23,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-25 22:38:23,111 INFO L276 IsEmpty]: Start isEmpty. Operand 16817 states and 23663 transitions. [2022-11-25 22:38:23,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-11-25 22:38:23,122 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:38:23,122 INFO L195 NwaCegarLoop]: trace histogram [16, 14, 14, 14, 14, 14, 14, 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] [2022-11-25 22:38:23,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 22:38:23,123 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-25 22:38:23,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:38:23,123 INFO L85 PathProgramCache]: Analyzing trace with hash -1376607584, now seen corresponding path program 1 times [2022-11-25 22:38:23,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:38:23,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635989106] [2022-11-25 22:38:23,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:38:23,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:38:23,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:38:24,904 INFO L134 CoverageAnalysis]: Checked inductivity of 795 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 788 trivial. 0 not checked. [2022-11-25 22:38:24,904 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:38:24,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635989106] [2022-11-25 22:38:24,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635989106] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:38:24,905 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:38:24,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:38:24,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554547012] [2022-11-25 22:38:24,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:38:24,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:38:24,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:38:24,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:38:24,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:38:24,907 INFO L87 Difference]: Start difference. First operand 16817 states and 23663 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-25 22:38:27,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:38:32,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:38:32,930 INFO L93 Difference]: Finished difference Result 46587 states and 65606 transitions. [2022-11-25 22:38:32,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:38:32,931 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 206 [2022-11-25 22:38:32,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:38:33,097 INFO L225 Difference]: With dead ends: 46587 [2022-11-25 22:38:33,097 INFO L226 Difference]: Without dead ends: 29799 [2022-11-25 22:38:33,170 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:38:33,171 INFO L413 NwaCegarLoop]: 2949 mSDtfsCounter, 2271 mSDsluCounter, 2033 mSDsCounter, 0 mSdLazyCounter, 813 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2271 SdHoareTripleChecker+Valid, 4982 SdHoareTripleChecker+Invalid, 827 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 813 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:38:33,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2271 Valid, 4982 Invalid, 827 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 813 Invalid, 1 Unknown, 0 Unchecked, 7.0s Time] [2022-11-25 22:38:33,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29799 states. [2022-11-25 22:38:35,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29799 to 29750. [2022-11-25 22:38:35,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29750 states, 16841 states have (on average 1.2694614334065673) internal successors, (21379), 17778 states have internal predecessors, (21379), 10209 states have call successors, (10209), 2722 states have call predecessors, (10209), 2697 states have return successors, (10211), 9809 states have call predecessors, (10211), 10205 states have call successors, (10211) [2022-11-25 22:38:35,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29750 states to 29750 states and 41799 transitions. [2022-11-25 22:38:35,275 INFO L78 Accepts]: Start accepts. Automaton has 29750 states and 41799 transitions. Word has length 206 [2022-11-25 22:38:35,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:38:35,277 INFO L495 AbstractCegarLoop]: Abstraction has 29750 states and 41799 transitions. [2022-11-25 22:38:35,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-25 22:38:35,277 INFO L276 IsEmpty]: Start isEmpty. Operand 29750 states and 41799 transitions. [2022-11-25 22:38:35,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-11-25 22:38:35,281 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:38:35,282 INFO L195 NwaCegarLoop]: trace histogram [18, 14, 14, 14, 14, 14, 14, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:38:35,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 22:38:35,282 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)] === [2022-11-25 22:38:35,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:38:35,283 INFO L85 PathProgramCache]: Analyzing trace with hash 1489855820, now seen corresponding path program 1 times [2022-11-25 22:38:35,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:38:35,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093467535] [2022-11-25 22:38:35,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:38:35,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:38:36,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:38:38,775 INFO L134 CoverageAnalysis]: Checked inductivity of 887 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 887 trivial. 0 not checked. [2022-11-25 22:38:38,775 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:38:38,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093467535] [2022-11-25 22:38:38,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093467535] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:38:38,776 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:38:38,776 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 22:38:38,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698281879] [2022-11-25 22:38:38,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:38:38,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:38:38,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:38:38,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:38:38,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:38:38,777 INFO L87 Difference]: Start difference. First operand 29750 states and 41799 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-25 22:38:40,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:38:47,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:38:47,243 INFO L93 Difference]: Finished difference Result 30070 states and 42117 transitions. [2022-11-25 22:38:47,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 22:38:47,243 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 209 [2022-11-25 22:38:47,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:38:47,392 INFO L225 Difference]: With dead ends: 30070 [2022-11-25 22:38:47,392 INFO L226 Difference]: Without dead ends: 30068 [2022-11-25 22:38:47,405 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 22:38:47,406 INFO L413 NwaCegarLoop]: 2059 mSDtfsCounter, 2334 mSDsluCounter, 4136 mSDsCounter, 0 mSdLazyCounter, 1067 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2345 SdHoareTripleChecker+Valid, 6195 SdHoareTripleChecker+Invalid, 1070 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1067 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-11-25 22:38:47,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2345 Valid, 6195 Invalid, 1070 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1067 Invalid, 1 Unknown, 0 Unchecked, 7.3s Time] [2022-11-25 22:38:47,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30068 states. [2022-11-25 22:38:49,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30068 to 30066. [2022-11-25 22:38:49,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30066 states, 17024 states have (on average 1.2686795112781954) internal successors, (21598), 17985 states have internal predecessors, (21598), 10257 states have call successors, (10257), 2807 states have call predecessors, (10257), 2782 states have return successors, (10259), 9857 states have call predecessors, (10259), 10253 states have call successors, (10259) [2022-11-25 22:38:49,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30066 states to 30066 states and 42114 transitions. [2022-11-25 22:38:49,455 INFO L78 Accepts]: Start accepts. Automaton has 30066 states and 42114 transitions. Word has length 209 [2022-11-25 22:38:49,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:38:49,456 INFO L495 AbstractCegarLoop]: Abstraction has 30066 states and 42114 transitions. [2022-11-25 22:38:49,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-25 22:38:49,456 INFO L276 IsEmpty]: Start isEmpty. Operand 30066 states and 42114 transitions. [2022-11-25 22:38:49,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-11-25 22:38:49,462 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:38:49,462 INFO L195 NwaCegarLoop]: trace histogram [18, 14, 14, 14, 14, 14, 14, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:38:49,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 22:38:49,463 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)] === [2022-11-25 22:38:49,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:38:49,463 INFO L85 PathProgramCache]: Analyzing trace with hash -1714908220, now seen corresponding path program 1 times [2022-11-25 22:38:49,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:38:49,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706228849] [2022-11-25 22:38:49,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:38:49,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:38:50,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:38:52,525 INFO L134 CoverageAnalysis]: Checked inductivity of 888 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2022-11-25 22:38:52,526 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:38:52,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706228849] [2022-11-25 22:38:52,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706228849] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:38:52,526 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:38:52,526 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 22:38:52,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764715824] [2022-11-25 22:38:52,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:38:52,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:38:52,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:38:52,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:38:52,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:38:52,528 INFO L87 Difference]: Start difference. First operand 30066 states and 42114 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-25 22:38:54,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:39:01,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:39:01,563 INFO L93 Difference]: Finished difference Result 30072 states and 42119 transitions. [2022-11-25 22:39:01,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 22:39:01,564 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 213 [2022-11-25 22:39:01,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:39:01,708 INFO L225 Difference]: With dead ends: 30072 [2022-11-25 22:39:01,708 INFO L226 Difference]: Without dead ends: 30070 [2022-11-25 22:39:01,723 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 22:39:01,724 INFO L413 NwaCegarLoop]: 2058 mSDtfsCounter, 2341 mSDsluCounter, 4097 mSDsCounter, 0 mSdLazyCounter, 1060 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2351 SdHoareTripleChecker+Valid, 6155 SdHoareTripleChecker+Invalid, 1062 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1060 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-11-25 22:39:01,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2351 Valid, 6155 Invalid, 1062 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1060 Invalid, 1 Unknown, 0 Unchecked, 7.8s Time] [2022-11-25 22:39:01,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30070 states. [2022-11-25 22:39:03,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30070 to 30070. [2022-11-25 22:39:03,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30070 states, 17027 states have (on average 1.2686321724320198) internal successors, (21601), 17988 states have internal predecessors, (21601), 10257 states have call successors, (10257), 2808 states have call predecessors, (10257), 2783 states have return successors, (10259), 9857 states have call predecessors, (10259), 10253 states have call successors, (10259) [2022-11-25 22:39:03,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30070 states to 30070 states and 42117 transitions. [2022-11-25 22:39:03,604 INFO L78 Accepts]: Start accepts. Automaton has 30070 states and 42117 transitions. Word has length 213 [2022-11-25 22:39:03,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:39:03,605 INFO L495 AbstractCegarLoop]: Abstraction has 30070 states and 42117 transitions. [2022-11-25 22:39:03,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-25 22:39:03,605 INFO L276 IsEmpty]: Start isEmpty. Operand 30070 states and 42117 transitions. [2022-11-25 22:39:03,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-11-25 22:39:03,611 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:39:03,611 INFO L195 NwaCegarLoop]: trace histogram [18, 14, 14, 14, 14, 14, 14, 5, 5, 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] [2022-11-25 22:39:03,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 22:39:03,612 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)] === [2022-11-25 22:39:03,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:39:03,612 INFO L85 PathProgramCache]: Analyzing trace with hash 366318572, now seen corresponding path program 1 times [2022-11-25 22:39:03,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:39:03,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244354437] [2022-11-25 22:39:03,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:39:03,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:39:04,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:39:06,843 INFO L134 CoverageAnalysis]: Checked inductivity of 895 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 891 trivial. 0 not checked. [2022-11-25 22:39:06,843 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:39:06,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244354437] [2022-11-25 22:39:06,843 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244354437] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:39:06,844 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:39:06,844 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 22:39:06,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742213129] [2022-11-25 22:39:06,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:39:06,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:39:06,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:39:06,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:39:06,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:39:06,846 INFO L87 Difference]: Start difference. First operand 30070 states and 42117 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-25 22:39:08,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:39:15,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:39:15,901 INFO L93 Difference]: Finished difference Result 30076 states and 42122 transitions. [2022-11-25 22:39:15,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 22:39:15,902 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 219 [2022-11-25 22:39:15,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:39:16,040 INFO L225 Difference]: With dead ends: 30076 [2022-11-25 22:39:16,041 INFO L226 Difference]: Without dead ends: 30074 [2022-11-25 22:39:16,052 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 22:39:16,053 INFO L413 NwaCegarLoop]: 2058 mSDtfsCounter, 2341 mSDsluCounter, 4097 mSDsCounter, 0 mSdLazyCounter, 1060 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2350 SdHoareTripleChecker+Valid, 6155 SdHoareTripleChecker+Invalid, 1062 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1060 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2022-11-25 22:39:16,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2350 Valid, 6155 Invalid, 1062 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1060 Invalid, 1 Unknown, 0 Unchecked, 7.7s Time] [2022-11-25 22:39:16,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30074 states. [2022-11-25 22:39:17,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30074 to 30074. [2022-11-25 22:39:17,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30074 states, 17030 states have (on average 1.2685848502642396) internal successors, (21604), 17991 states have internal predecessors, (21604), 10257 states have call successors, (10257), 2809 states have call predecessors, (10257), 2784 states have return successors, (10259), 9857 states have call predecessors, (10259), 10253 states have call successors, (10259) [2022-11-25 22:39:18,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30074 states to 30074 states and 42120 transitions. [2022-11-25 22:39:18,035 INFO L78 Accepts]: Start accepts. Automaton has 30074 states and 42120 transitions. Word has length 219 [2022-11-25 22:39:18,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:39:18,036 INFO L495 AbstractCegarLoop]: Abstraction has 30074 states and 42120 transitions. [2022-11-25 22:39:18,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-25 22:39:18,037 INFO L276 IsEmpty]: Start isEmpty. Operand 30074 states and 42120 transitions. [2022-11-25 22:39:18,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2022-11-25 22:39:18,046 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:39:18,046 INFO L195 NwaCegarLoop]: trace histogram [18, 14, 14, 14, 14, 14, 14, 5, 5, 4, 3, 3, 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] [2022-11-25 22:39:18,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 22:39:18,047 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)] === [2022-11-25 22:39:18,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:39:18,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1919163292, now seen corresponding path program 1 times [2022-11-25 22:39:18,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:39:18,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345332386] [2022-11-25 22:39:18,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:39:18,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:39:18,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:39:20,996 INFO L134 CoverageAnalysis]: Checked inductivity of 904 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 898 trivial. 0 not checked. [2022-11-25 22:39:20,996 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:39:20,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345332386] [2022-11-25 22:39:20,997 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345332386] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:39:20,997 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:39:20,998 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 22:39:20,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722156646] [2022-11-25 22:39:20,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:39:20,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:39:20,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:39:20,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:39:21,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:39:21,000 INFO L87 Difference]: Start difference. First operand 30074 states and 42120 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-25 22:39:23,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:39:29,767 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 [] [2022-11-25 22:39:31,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:39:31,878 INFO L93 Difference]: Finished difference Result 30080 states and 42125 transitions. [2022-11-25 22:39:31,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 22:39:31,878 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 223 [2022-11-25 22:39:31,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:39:32,000 INFO L225 Difference]: With dead ends: 30080 [2022-11-25 22:39:32,001 INFO L226 Difference]: Without dead ends: 30078 [2022-11-25 22:39:32,014 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 22:39:32,015 INFO L413 NwaCegarLoop]: 2058 mSDtfsCounter, 2341 mSDsluCounter, 4097 mSDsCounter, 0 mSdLazyCounter, 1059 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2349 SdHoareTripleChecker+Valid, 6155 SdHoareTripleChecker+Invalid, 1062 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1059 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2022-11-25 22:39:32,015 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2349 Valid, 6155 Invalid, 1062 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1059 Invalid, 2 Unknown, 0 Unchecked, 9.6s Time] [2022-11-25 22:39:32,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30078 states. [2022-11-25 22:39:33,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30078 to 30078. [2022-11-25 22:39:33,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30078 states, 17033 states have (on average 1.2685375447660423) internal successors, (21607), 17994 states have internal predecessors, (21607), 10257 states have call successors, (10257), 2810 states have call predecessors, (10257), 2785 states have return successors, (10259), 9857 states have call predecessors, (10259), 10253 states have call successors, (10259) [2022-11-25 22:39:33,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30078 states to 30078 states and 42123 transitions. [2022-11-25 22:39:33,902 INFO L78 Accepts]: Start accepts. Automaton has 30078 states and 42123 transitions. Word has length 223 [2022-11-25 22:39:33,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:39:33,903 INFO L495 AbstractCegarLoop]: Abstraction has 30078 states and 42123 transitions. [2022-11-25 22:39:33,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-25 22:39:33,903 INFO L276 IsEmpty]: Start isEmpty. Operand 30078 states and 42123 transitions. [2022-11-25 22:39:33,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2022-11-25 22:39:33,909 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:39:33,910 INFO L195 NwaCegarLoop]: trace histogram [18, 14, 14, 14, 14, 14, 14, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:39:33,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-25 22:39:33,910 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)] === [2022-11-25 22:39:33,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:39:33,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1918741132, now seen corresponding path program 1 times [2022-11-25 22:39:33,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:39:33,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099473816] [2022-11-25 22:39:33,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:39:33,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:39:34,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:39:36,373 INFO L134 CoverageAnalysis]: Checked inductivity of 919 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 911 trivial. 0 not checked. [2022-11-25 22:39:36,373 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:39:36,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099473816] [2022-11-25 22:39:36,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099473816] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:39:36,374 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:39:36,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 22:39:36,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286389596] [2022-11-25 22:39:36,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:39:36,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:39:36,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:39:36,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:39:36,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:39:36,376 INFO L87 Difference]: Start difference. First operand 30078 states and 42123 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-25 22:39:38,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:39:46,377 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 [] [2022-11-25 22:39:48,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:39:48,375 INFO L93 Difference]: Finished difference Result 30084 states and 42128 transitions. [2022-11-25 22:39:48,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 22:39:48,376 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 229 [2022-11-25 22:39:48,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:39:48,492 INFO L225 Difference]: With dead ends: 30084 [2022-11-25 22:39:48,492 INFO L226 Difference]: Without dead ends: 30082 [2022-11-25 22:39:48,510 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 22:39:48,511 INFO L413 NwaCegarLoop]: 2058 mSDtfsCounter, 2341 mSDsluCounter, 4097 mSDsCounter, 0 mSdLazyCounter, 1059 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2348 SdHoareTripleChecker+Valid, 6155 SdHoareTripleChecker+Invalid, 1062 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1059 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2022-11-25 22:39:48,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2348 Valid, 6155 Invalid, 1062 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1059 Invalid, 2 Unknown, 0 Unchecked, 10.2s Time] [2022-11-25 22:39:48,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30082 states. [2022-11-25 22:39:50,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30082 to 30082. [2022-11-25 22:39:50,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30082 states, 17036 states have (on average 1.2684902559286217) internal successors, (21610), 17997 states have internal predecessors, (21610), 10257 states have call successors, (10257), 2811 states have call predecessors, (10257), 2786 states have return successors, (10259), 9857 states have call predecessors, (10259), 10253 states have call successors, (10259) [2022-11-25 22:39:50,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30082 states to 30082 states and 42126 transitions. [2022-11-25 22:39:50,631 INFO L78 Accepts]: Start accepts. Automaton has 30082 states and 42126 transitions. Word has length 229 [2022-11-25 22:39:50,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:39:50,632 INFO L495 AbstractCegarLoop]: Abstraction has 30082 states and 42126 transitions. [2022-11-25 22:39:50,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-25 22:39:50,632 INFO L276 IsEmpty]: Start isEmpty. Operand 30082 states and 42126 transitions. [2022-11-25 22:39:50,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2022-11-25 22:39:50,639 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:39:50,639 INFO L195 NwaCegarLoop]: trace histogram [15, 14, 14, 14, 14, 14, 14, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:39:50,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-25 22:39:50,640 INFO L420 AbstractCegarLoop]: === Iteration 11 === 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)] === [2022-11-25 22:39:50,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:39:50,640 INFO L85 PathProgramCache]: Analyzing trace with hash 195513207, now seen corresponding path program 1 times [2022-11-25 22:39:50,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:39:50,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448423172] [2022-11-25 22:39:50,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:39:50,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:39:51,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:39:52,353 INFO L134 CoverageAnalysis]: Checked inductivity of 766 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 766 trivial. 0 not checked. [2022-11-25 22:39:52,354 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:39:52,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448423172] [2022-11-25 22:39:52,354 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448423172] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:39:52,354 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:39:52,355 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:39:52,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464011063] [2022-11-25 22:39:52,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:39:52,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:39:52,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:39:52,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:39:52,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:39:52,357 INFO L87 Difference]: Start difference. First operand 30082 states and 42126 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-11-25 22:39:54,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:40:02,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:40:02,816 INFO L93 Difference]: Finished difference Result 86528 states and 121244 transitions. [2022-11-25 22:40:02,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:40:02,817 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 249 [2022-11-25 22:40:02,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:40:03,109 INFO L225 Difference]: With dead ends: 86528 [2022-11-25 22:40:03,109 INFO L226 Difference]: Without dead ends: 56475 [2022-11-25 22:40:03,232 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:40:03,234 INFO L413 NwaCegarLoop]: 2653 mSDtfsCounter, 2334 mSDsluCounter, 2050 mSDsCounter, 0 mSdLazyCounter, 711 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2334 SdHoareTripleChecker+Valid, 4703 SdHoareTripleChecker+Invalid, 717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 711 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-11-25 22:40:03,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2334 Valid, 4703 Invalid, 717 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 711 Invalid, 1 Unknown, 0 Unchecked, 7.3s Time] [2022-11-25 22:40:03,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56475 states. [2022-11-25 22:40:07,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56475 to 56382. [2022-11-25 22:40:07,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56382 states, 32033 states have (on average 1.2699091561826865) internal successors, (40679), 33897 states have internal predecessors, (40679), 19139 states have call successors, (19139), 5256 states have call predecessors, (19139), 5207 states have return successors, (19147), 18324 states have call predecessors, (19147), 19135 states have call successors, (19147) [2022-11-25 22:40:07,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56382 states to 56382 states and 78965 transitions. [2022-11-25 22:40:07,232 INFO L78 Accepts]: Start accepts. Automaton has 56382 states and 78965 transitions. Word has length 249 [2022-11-25 22:40:07,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:40:07,232 INFO L495 AbstractCegarLoop]: Abstraction has 56382 states and 78965 transitions. [2022-11-25 22:40:07,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-11-25 22:40:07,233 INFO L276 IsEmpty]: Start isEmpty. Operand 56382 states and 78965 transitions. [2022-11-25 22:40:07,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-11-25 22:40:07,239 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:40:07,239 INFO L195 NwaCegarLoop]: trace histogram [18, 14, 14, 14, 14, 14, 14, 6, 5, 5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:40:07,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-25 22:40:07,239 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)] === [2022-11-25 22:40:07,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:40:07,240 INFO L85 PathProgramCache]: Analyzing trace with hash -2091638697, now seen corresponding path program 1 times [2022-11-25 22:40:07,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:40:07,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207286340] [2022-11-25 22:40:07,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:40:07,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:40:08,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:40:10,178 INFO L134 CoverageAnalysis]: Checked inductivity of 937 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 927 trivial. 0 not checked. [2022-11-25 22:40:10,178 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:40:10,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207286340] [2022-11-25 22:40:10,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207286340] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:40:10,179 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:40:10,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 22:40:10,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320703839] [2022-11-25 22:40:10,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:40:10,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:40:10,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:40:10,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:40:10,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:40:10,181 INFO L87 Difference]: Start difference. First operand 56382 states and 78965 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-25 22:40:12,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:40:19,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:40:22,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:40:22,598 INFO L93 Difference]: Finished difference Result 56388 states and 78970 transitions. [2022-11-25 22:40:22,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 22:40:22,599 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 234 [2022-11-25 22:40:22,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:40:22,779 INFO L225 Difference]: With dead ends: 56388 [2022-11-25 22:40:22,779 INFO L226 Difference]: Without dead ends: 56386 [2022-11-25 22:40:22,797 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 22:40:22,798 INFO L413 NwaCegarLoop]: 2058 mSDtfsCounter, 2341 mSDsluCounter, 4097 mSDsCounter, 0 mSdLazyCounter, 1060 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2347 SdHoareTripleChecker+Valid, 6155 SdHoareTripleChecker+Invalid, 1062 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1060 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2022-11-25 22:40:22,798 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2347 Valid, 6155 Invalid, 1062 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1060 Invalid, 1 Unknown, 0 Unchecked, 9.5s Time] [2022-11-25 22:40:22,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56386 states. [2022-11-25 22:40:26,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56386 to 56386. [2022-11-25 22:40:26,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56386 states, 32036 states have (on average 1.2698838806342865) internal successors, (40682), 33900 states have internal predecessors, (40682), 19139 states have call successors, (19139), 5257 states have call predecessors, (19139), 5208 states have return successors, (19147), 18324 states have call predecessors, (19147), 19135 states have call successors, (19147) [2022-11-25 22:40:26,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56386 states to 56386 states and 78968 transitions. [2022-11-25 22:40:26,545 INFO L78 Accepts]: Start accepts. Automaton has 56386 states and 78968 transitions. Word has length 234 [2022-11-25 22:40:26,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:40:26,546 INFO L495 AbstractCegarLoop]: Abstraction has 56386 states and 78968 transitions. [2022-11-25 22:40:26,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-25 22:40:26,547 INFO L276 IsEmpty]: Start isEmpty. Operand 56386 states and 78968 transitions. [2022-11-25 22:40:26,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2022-11-25 22:40:26,554 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:40:26,554 INFO L195 NwaCegarLoop]: trace histogram [18, 14, 14, 14, 14, 14, 14, 7, 6, 6, 4, 4, 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] [2022-11-25 22:40:26,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-25 22:40:26,554 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)] === [2022-11-25 22:40:26,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:40:26,555 INFO L85 PathProgramCache]: Analyzing trace with hash -421070949, now seen corresponding path program 1 times [2022-11-25 22:40:26,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:40:26,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980951886] [2022-11-25 22:40:26,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:40:26,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms