./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 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95584af3-6832-4f3b-8f93-6bb79da2a59f/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95584af3-6832-4f3b-8f93-6bb79da2a59f/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95584af3-6832-4f3b-8f93-6bb79da2a59f/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95584af3-6832-4f3b-8f93-6bb79da2a59f/bin/utaipan-gh47qXpMRh/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_95584af3-6832-4f3b-8f93-6bb79da2a59f/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95584af3-6832-4f3b-8f93-6bb79da2a59f/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 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-2329fc7 [2022-12-14 06:00:02,269 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 06:00:02,270 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 06:00:02,283 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 06:00:02,284 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 06:00:02,285 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 06:00:02,285 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 06:00:02,287 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 06:00:02,288 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 06:00:02,288 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 06:00:02,289 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 06:00:02,296 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 06:00:02,296 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 06:00:02,297 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 06:00:02,298 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 06:00:02,299 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 06:00:02,299 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 06:00:02,300 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 06:00:02,301 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 06:00:02,302 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 06:00:02,303 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 06:00:02,304 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 06:00:02,304 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 06:00:02,305 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 06:00:02,312 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 06:00:02,312 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 06:00:02,312 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 06:00:02,313 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 06:00:02,313 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 06:00:02,314 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 06:00:02,314 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 06:00:02,314 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 06:00:02,315 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 06:00:02,315 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 06:00:02,316 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 06:00:02,316 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 06:00:02,316 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 06:00:02,317 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 06:00:02,317 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 06:00:02,317 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 06:00:02,318 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 06:00:02,318 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95584af3-6832-4f3b-8f93-6bb79da2a59f/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 06:00:02,345 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 06:00:02,345 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 06:00:02,345 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 06:00:02,345 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 06:00:02,346 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 06:00:02,346 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 06:00:02,346 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 06:00:02,346 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 06:00:02,346 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 06:00:02,346 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 06:00:02,346 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 06:00:02,347 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 06:00:02,347 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 06:00:02,347 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 06:00:02,347 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 06:00:02,347 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 06:00:02,347 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 06:00:02,347 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 06:00:02,347 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 06:00:02,348 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 06:00:02,348 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 06:00:02,348 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 06:00:02,348 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 06:00:02,348 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 06:00:02,348 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 06:00:02,348 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 06:00:02,348 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 06:00:02,348 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 06:00:02,348 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 06:00:02,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:00:02,349 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 06:00:02,349 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 06:00:02,349 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 06:00:02,349 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 06:00:02,349 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 06:00:02,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 06:00:02,349 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 06:00:02,349 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 06:00:02,349 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_95584af3-6832-4f3b-8f93-6bb79da2a59f/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95584af3-6832-4f3b-8f93-6bb79da2a59f/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6eed6410a0dd7e708ffb27250b590aa2913bf9f742c15130caf6eadad29510cc [2022-12-14 06:00:02,508 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 06:00:02,527 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 06:00:02,529 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 06:00:02,530 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 06:00:02,530 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 06:00:02,531 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95584af3-6832-4f3b-8f93-6bb79da2a59f/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-rhine.cil.i [2022-12-14 06:00:05,016 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 06:00:05,410 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 06:00:05,411 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95584af3-6832-4f3b-8f93-6bb79da2a59f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-rhine.cil.i [2022-12-14 06:00:05,446 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95584af3-6832-4f3b-8f93-6bb79da2a59f/bin/utaipan-gh47qXpMRh/data/0b401b128/7b2ed04889d04d1299ce78baff055214/FLAGf354e5e25 [2022-12-14 06:00:05,460 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95584af3-6832-4f3b-8f93-6bb79da2a59f/bin/utaipan-gh47qXpMRh/data/0b401b128/7b2ed04889d04d1299ce78baff055214 [2022-12-14 06:00:05,463 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 06:00:05,464 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 06:00:05,465 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 06:00:05,465 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 06:00:05,468 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 06:00:05,469 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:00:05" (1/1) ... [2022-12-14 06:00:05,469 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9c9f713 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:00:05, skipping insertion in model container [2022-12-14 06:00:05,470 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:00:05" (1/1) ... [2022-12-14 06:00:05,475 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 06:00:05,575 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 06:00:06,142 WARN L623 FunctionHandler]: Unknown extern function __local_bh_disable_ip [2022-12-14 06:00:06,152 WARN L623 FunctionHandler]: Unknown extern function __local_bh_enable_ip [2022-12-14 06:00:06,193 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 06:00:06,207 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-12-14 06:00:06,216 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-12-14 06:00:06,226 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 06:00:06,239 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-12-14 06:00:06,248 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-12-14 06:00:06,271 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 06:00:06,407 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 06:00:06,410 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 06:00:06,410 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-14 06:00:06,416 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-14 06:00:06,422 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-12-14 06:00:06,427 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_device [2022-12-14 06:00:06,432 WARN L623 FunctionHandler]: Unknown extern function debug_dma_mapping_error [2022-12-14 06:00:06,453 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-14 06:00:06,458 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 06:00:06,460 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-14 06:00:06,485 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-14 06:00:06,490 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-14 06:00:06,499 WARN L623 FunctionHandler]: Unknown extern function skb_pad [2022-12-14 06:00:06,536 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-12-14 06:00:06,544 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-14 06:00:06,544 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 06:00:06,588 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-14 06:00:06,589 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-14 06:00:06,597 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 06:00:06,598 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:00:06,645 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 06:00:06,645 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 06:00:06,646 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 06:00:06,646 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 06:00:06,646 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-12-14 06:00:06,742 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-14 06:00:06,762 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 06:00:06,819 WARN L623 FunctionHandler]: Unknown extern function get_random_bytes [2022-12-14 06:00:06,910 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 06:00:06,910 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 06:00:06,912 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 06:00:06,925 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 06:00:06,925 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 06:00:06,930 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:06,930 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 06:00:06,934 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 06:00:06,935 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:06,935 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:06,935 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:06,936 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:06,936 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 06:00:06,936 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 06:00:06,937 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:06,937 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:06,939 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 06:00:06,943 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:06,943 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 06:00:06,944 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 06:00:06,944 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 06:00:06,944 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:06,945 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 06:00:06,945 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 06:00:06,955 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:00:06,956 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 06:00:06,956 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:06,960 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-12-14 06:00:06,961 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-12-14 06:00:06,965 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 06:00:06,965 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:06,970 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 06:00:06,970 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 06:00:06,971 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 06:00:06,971 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 06:00:06,976 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 06:00:06,976 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 06:00:06,977 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 06:00:06,977 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 06:00:06,977 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 06:00:06,983 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 06:00:06,983 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 06:00:06,984 WARN L623 FunctionHandler]: Unknown extern function napi_complete [2022-12-14 06:00:06,984 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 06:00:06,989 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 06:00:06,995 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 06:00:06,996 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 06:00:06,998 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 06:00:06,998 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 06:00:06,999 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-14 06:00:06,999 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-12-14 06:00:07,000 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 06:00:07,002 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 06:00:07,002 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 06:00:07,003 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:00:07,004 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 06:00:07,004 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 06:00:07,004 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 06:00:07,005 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 06:00:07,005 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 06:00:07,005 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 06:00:07,005 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 06:00:07,006 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 06:00:07,007 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-12-14 06:00:07,007 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 06:00:07,008 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 06:00:07,009 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 06:00:07,009 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 06:00:07,009 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 06:00:07,010 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-14 06:00:07,010 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 06:00:07,010 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 06:00:07,015 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:00:07,027 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 06:00:07,033 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 06:00:07,044 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 06:00:07,049 WARN L623 FunctionHandler]: Unknown extern function mii_check_media [2022-12-14 06:00:07,049 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 06:00:07,049 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:07,050 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 06:00:07,050 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:07,050 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 06:00:07,055 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 06:00:07,056 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 06:00:07,060 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:07,061 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:07,061 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:07,062 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 06:00:07,062 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:07,062 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 06:00:07,062 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:07,066 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:07,066 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:07,067 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 06:00:07,067 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 06:00:07,067 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:07,067 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 06:00:07,067 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:07,071 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:07,072 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 06:00:07,072 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:07,076 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:07,076 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 06:00:07,076 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:07,081 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 06:00:07,081 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:07,081 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 06:00:07,081 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:07,086 WARN L623 FunctionHandler]: Unknown extern function find_first_bit [2022-12-14 06:00:07,087 WARN L623 FunctionHandler]: Unknown extern function find_next_bit [2022-12-14 06:00:07,093 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:07,093 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 06:00:07,093 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:07,094 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 06:00:07,094 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 06:00:07,094 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 06:00:07,095 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 06:00:07,099 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:07,099 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:07,099 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:07,099 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:07,104 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:07,104 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:07,104 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 06:00:07,105 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 06:00:07,105 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:07,105 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:07,106 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:07,106 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:07,106 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:07,106 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 06:00:07,107 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:07,107 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:07,107 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 06:00:07,108 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:07,112 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 06:00:07,112 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 06:00:07,112 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 06:00:07,112 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 06:00:07,116 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 06:00:07,117 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 06:00:07,118 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 06:00:07,120 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 06:00:07,120 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 06:00:07,121 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 06:00:07,121 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 06:00:07,122 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 06:00:07,122 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 06:00:07,124 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 06:00:07,124 WARN L623 FunctionHandler]: Unknown extern function skb_copy_and_csum_dev [2022-12-14 06:00:07,126 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 06:00:07,128 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 06:00:07,128 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:07,128 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 06:00:07,128 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:07,129 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 06:00:07,130 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 06:00:07,134 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 06:00:07,136 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 06:00:07,136 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:00:07,138 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 06:00:07,139 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 06:00:07,141 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 06:00:07,142 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 06:00:07,149 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 06:00:07,150 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 06:00:07,150 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 06:00:07,151 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 06:00:07,152 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 06:00:07,153 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 06:00:07,154 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:00:07,154 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 06:00:07,154 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-14 06:00:07,155 WARN L623 FunctionHandler]: Unknown extern function netif_receive_skb [2022-12-14 06:00:07,156 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 06:00:07,158 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 06:00:07,158 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 06:00:07,158 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:07,159 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 06:00:07,159 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:07,159 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 06:00:07,159 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:07,160 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 06:00:07,160 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 06:00:07,160 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 06:00:07,161 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 06:00:07,161 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 06:00:07,161 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 06:00:07,162 WARN L623 FunctionHandler]: Unknown extern function netdev_stats_to_stats64 [2022-12-14 06:00:07,163 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 06:00:07,163 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 06:00:07,164 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 06:00:07,164 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 06:00:07,165 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-12-14 06:00:07,165 WARN L623 FunctionHandler]: Unknown extern function bitrev32 [2022-12-14 06:00:07,166 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 06:00:07,166 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 06:00:07,167 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 06:00:07,167 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:07,167 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 06:00:07,167 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:07,167 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 06:00:07,168 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:07,172 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 06:00:07,172 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 06:00:07,173 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 06:00:07,177 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 06:00:07,178 WARN L623 FunctionHandler]: Unknown extern function mii_ethtool_gset [2022-12-14 06:00:07,178 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 06:00:07,182 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 06:00:07,182 WARN L623 FunctionHandler]: Unknown extern function mii_ethtool_sset [2022-12-14 06:00:07,182 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 06:00:07,186 WARN L623 FunctionHandler]: Unknown extern function mii_nway_restart [2022-12-14 06:00:07,190 WARN L623 FunctionHandler]: Unknown extern function mii_link_ok [2022-12-14 06:00:07,208 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 06:00:07,208 WARN L623 FunctionHandler]: Unknown extern function generic_mii_ioctl [2022-12-14 06:00:07,209 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 06:00:07,210 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 06:00:07,210 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 06:00:07,210 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:07,211 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 06:00:07,215 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-14 06:00:07,215 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 06:00:07,215 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 06:00:07,220 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:07,235 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:07,235 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 06:00:07,236 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:07,236 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:07,236 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:07,237 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:07,237 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:07,237 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 06:00:07,238 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:07,238 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 06:00:07,238 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:07,239 WARN L623 FunctionHandler]: Unknown extern function pci_wake_from_d3 [2022-12-14 06:00:07,239 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 06:00:07,245 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-14 06:00:07,250 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-14 06:00:07,264 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:00:07,265 WARN L623 FunctionHandler]: Unknown extern function dmi_check_system [2022-12-14 06:00:07,265 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:00:07,265 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:00:07,608 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-12-14 06:00:07,609 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-14 06:00:07,609 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-14 06:00:07,613 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 06:00:07,615 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 06:00:07,615 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 06:00:07,621 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 06:00:07,627 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 06:00:07,632 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-12-14 06:00:07,638 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-12-14 06:00:07,638 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-14 06:00:07,639 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 06:00:07,639 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 06:00:07,640 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 06:00:07,640 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-14 06:00:07,640 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 06:00:07,640 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 06:00:07,641 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 06:00:07,687 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-14 06:00:07,687 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 06:00:07,695 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:00:08,144 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_95584af3-6832-4f3b-8f93-6bb79da2a59f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-rhine.cil.i[404089,404102] [2022-12-14 06:00:08,147 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_95584af3-6832-4f3b-8f93-6bb79da2a59f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-rhine.cil.i[404258,404271] [2022-12-14 06:00:08,147 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_95584af3-6832-4f3b-8f93-6bb79da2a59f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-rhine.cil.i[404425,404438] [2022-12-14 06:00:08,147 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_95584af3-6832-4f3b-8f93-6bb79da2a59f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-rhine.cil.i[404593,404606] [2022-12-14 06:00:08,170 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:00:08,204 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 06:00:08,305 WARN L623 FunctionHandler]: Unknown extern function __local_bh_disable_ip [2022-12-14 06:00:08,306 WARN L623 FunctionHandler]: Unknown extern function __local_bh_enable_ip [2022-12-14 06:00:08,306 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 06:00:08,307 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-12-14 06:00:08,307 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-12-14 06:00:08,308 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 06:00:08,308 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-12-14 06:00:08,308 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-12-14 06:00:08,309 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 06:00:08,314 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 06:00:08,316 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 06:00:08,316 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_page [2022-12-14 06:00:08,317 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_page [2022-12-14 06:00:08,318 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_cpu [2022-12-14 06:00:08,320 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_single_for_device [2022-12-14 06:00:08,320 WARN L623 FunctionHandler]: Unknown extern function debug_dma_mapping_error [2022-12-14 06:00:08,323 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-14 06:00:08,324 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 06:00:08,325 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-14 06:00:08,326 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-14 06:00:08,327 WARN L623 FunctionHandler]: Unknown extern function __netdev_alloc_skb [2022-12-14 06:00:08,327 WARN L623 FunctionHandler]: Unknown extern function skb_pad [2022-12-14 06:00:08,329 WARN L623 FunctionHandler]: Unknown extern function __napi_schedule [2022-12-14 06:00:08,330 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-14 06:00:08,330 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 06:00:08,332 WARN L623 FunctionHandler]: Unknown extern function netpoll_trap [2022-12-14 06:00:08,333 WARN L623 FunctionHandler]: Unknown extern function __netif_schedule [2022-12-14 06:00:08,334 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 06:00:08,334 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:00:08,337 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 06:00:08,337 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 06:00:08,338 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 06:00:08,338 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 06:00:08,338 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-12-14 06:00:08,342 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-14 06:00:08,343 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 06:00:08,345 WARN L623 FunctionHandler]: Unknown extern function get_random_bytes [2022-12-14 06:00:08,349 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 06:00:08,350 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 06:00:08,351 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 06:00:08,354 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 06:00:08,355 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 06:00:08,355 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:08,356 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 06:00:08,357 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 06:00:08,357 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:08,358 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:08,358 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:08,358 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:08,359 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 06:00:08,360 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 06:00:08,360 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:08,361 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:08,363 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 06:00:08,363 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:08,364 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 06:00:08,364 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 06:00:08,364 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 06:00:08,365 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:08,365 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 06:00:08,366 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 06:00:08,369 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:00:08,369 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 06:00:08,370 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:08,371 WARN L623 FunctionHandler]: Unknown extern function disable_irq [2022-12-14 06:00:08,371 WARN L623 FunctionHandler]: Unknown extern function enable_irq [2022-12-14 06:00:08,372 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 06:00:08,372 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:08,373 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 06:00:08,374 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 06:00:08,374 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 06:00:08,375 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 06:00:08,376 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 06:00:08,376 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 06:00:08,376 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 06:00:08,377 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 06:00:08,377 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 06:00:08,378 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 06:00:08,379 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 06:00:08,380 WARN L623 FunctionHandler]: Unknown extern function napi_complete [2022-12-14 06:00:08,380 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 06:00:08,381 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 06:00:08,384 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 06:00:08,385 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 06:00:08,386 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 06:00:08,387 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 06:00:08,389 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-14 06:00:08,390 WARN L623 FunctionHandler]: Unknown extern function pci_iomap [2022-12-14 06:00:08,390 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 06:00:08,391 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 06:00:08,392 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 06:00:08,393 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:00:08,393 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 06:00:08,393 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 06:00:08,394 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 06:00:08,394 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 06:00:08,395 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 06:00:08,395 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 06:00:08,396 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 06:00:08,396 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 06:00:08,397 WARN L623 FunctionHandler]: Unknown extern function netif_napi_add [2022-12-14 06:00:08,398 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 06:00:08,399 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 06:00:08,400 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 06:00:08,400 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 06:00:08,401 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 06:00:08,401 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-14 06:00:08,401 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 06:00:08,402 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 06:00:08,403 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:00:08,407 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 06:00:08,409 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 06:00:08,411 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 06:00:08,412 WARN L623 FunctionHandler]: Unknown extern function mii_check_media [2022-12-14 06:00:08,412 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 06:00:08,412 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:08,412 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 06:00:08,413 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:08,413 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 06:00:08,414 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 06:00:08,414 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 06:00:08,415 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:08,415 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:08,415 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:08,416 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 06:00:08,416 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:08,416 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 06:00:08,416 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:08,416 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:08,417 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:08,417 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 06:00:08,417 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 06:00:08,417 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:08,417 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 06:00:08,417 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:08,418 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:08,418 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 06:00:08,418 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:08,418 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:08,418 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 06:00:08,418 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:08,419 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 06:00:08,419 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:08,419 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 06:00:08,420 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:08,420 WARN L623 FunctionHandler]: Unknown extern function find_first_bit [2022-12-14 06:00:08,421 WARN L623 FunctionHandler]: Unknown extern function find_next_bit [2022-12-14 06:00:08,422 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:08,422 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 06:00:08,422 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:08,423 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 06:00:08,423 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 06:00:08,423 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 06:00:08,423 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 06:00:08,424 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:08,424 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:08,424 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:08,424 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:08,425 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:08,425 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:08,425 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 06:00:08,425 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 06:00:08,425 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:08,426 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:08,426 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:08,426 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:08,427 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:08,427 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 06:00:08,427 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:08,427 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:08,428 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 06:00:08,428 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:08,428 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 06:00:08,428 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 06:00:08,428 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 06:00:08,428 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 06:00:08,429 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 06:00:08,429 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 06:00:08,430 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 06:00:08,431 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 06:00:08,431 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 06:00:08,432 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 06:00:08,433 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 06:00:08,433 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 06:00:08,434 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 06:00:08,435 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 06:00:08,436 WARN L623 FunctionHandler]: Unknown extern function skb_copy_and_csum_dev [2022-12-14 06:00:08,437 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 06:00:08,438 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 06:00:08,439 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:08,439 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 06:00:08,439 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:08,439 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 06:00:08,440 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 06:00:08,441 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 06:00:08,442 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 06:00:08,442 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:00:08,444 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 06:00:08,445 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 06:00:08,447 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 06:00:08,448 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 06:00:08,450 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 06:00:08,451 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 06:00:08,451 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 06:00:08,452 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 06:00:08,453 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 06:00:08,454 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 06:00:08,455 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 06:00:08,455 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 06:00:08,455 WARN L623 FunctionHandler]: Unknown extern function eth_type_trans [2022-12-14 06:00:08,456 WARN L623 FunctionHandler]: Unknown extern function netif_receive_skb [2022-12-14 06:00:08,457 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 06:00:08,459 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 06:00:08,459 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 06:00:08,459 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:08,459 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 06:00:08,460 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:08,460 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 06:00:08,460 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:08,460 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 06:00:08,460 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 06:00:08,461 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 06:00:08,462 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 06:00:08,462 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 06:00:08,462 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 06:00:08,462 WARN L623 FunctionHandler]: Unknown extern function netdev_stats_to_stats64 [2022-12-14 06:00:08,464 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 06:00:08,464 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 06:00:08,464 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 06:00:08,465 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 06:00:08,466 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-12-14 06:00:08,466 WARN L623 FunctionHandler]: Unknown extern function bitrev32 [2022-12-14 06:00:08,467 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 06:00:08,467 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 06:00:08,467 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 06:00:08,467 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:08,468 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 06:00:08,468 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:08,468 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 06:00:08,468 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:08,469 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 06:00:08,469 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 06:00:08,470 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 06:00:08,470 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 06:00:08,470 WARN L623 FunctionHandler]: Unknown extern function mii_ethtool_gset [2022-12-14 06:00:08,470 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 06:00:08,471 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 06:00:08,471 WARN L623 FunctionHandler]: Unknown extern function mii_ethtool_sset [2022-12-14 06:00:08,471 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 06:00:08,471 WARN L623 FunctionHandler]: Unknown extern function mii_nway_restart [2022-12-14 06:00:08,472 WARN L623 FunctionHandler]: Unknown extern function mii_link_ok [2022-12-14 06:00:08,474 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 06:00:08,474 WARN L623 FunctionHandler]: Unknown extern function generic_mii_ioctl [2022-12-14 06:00:08,474 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 06:00:08,475 WARN L623 FunctionHandler]: Unknown extern function ioread16 [2022-12-14 06:00:08,476 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 06:00:08,476 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:08,476 WARN L623 FunctionHandler]: Unknown extern function iowrite16 [2022-12-14 06:00:08,477 WARN L623 FunctionHandler]: Unknown extern function pci_iounmap [2022-12-14 06:00:08,477 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 06:00:08,477 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 06:00:08,477 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:08,478 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:08,478 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 06:00:08,478 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:08,478 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:08,478 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:08,479 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:08,479 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:08,479 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 06:00:08,479 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:08,479 WARN L623 FunctionHandler]: Unknown extern function ioread8 [2022-12-14 06:00:08,479 WARN L623 FunctionHandler]: Unknown extern function iowrite8 [2022-12-14 06:00:08,480 WARN L623 FunctionHandler]: Unknown extern function pci_wake_from_d3 [2022-12-14 06:00:08,480 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 06:00:08,480 WARN L623 FunctionHandler]: Unknown extern function netif_device_detach [2022-12-14 06:00:08,481 WARN L623 FunctionHandler]: Unknown extern function netif_device_attach [2022-12-14 06:00:08,486 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:00:08,486 WARN L623 FunctionHandler]: Unknown extern function dmi_check_system [2022-12-14 06:00:08,487 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:00:08,487 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 06:00:08,492 WARN L623 FunctionHandler]: Unknown extern function eth_change_mtu [2022-12-14 06:00:08,492 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-14 06:00:08,492 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-14 06:00:08,494 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 06:00:08,496 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 06:00:08,496 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 06:00:08,500 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 06:00:08,504 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 06:00:08,525 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_register_netdev [2022-12-14 06:00:08,531 WARN L623 FunctionHandler]: Unknown extern function alloc_etherdev_mqs [2022-12-14 06:00:08,531 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-14 06:00:08,531 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 06:00:08,532 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 06:00:08,532 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 06:00:08,532 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-14 06:00:08,532 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 06:00:08,533 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 06:00:08,533 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 06:00:08,534 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-14 06:00:08,535 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 06:00:08,535 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 06:00:08,547 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_95584af3-6832-4f3b-8f93-6bb79da2a59f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-rhine.cil.i[404089,404102] [2022-12-14 06:00:08,548 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_95584af3-6832-4f3b-8f93-6bb79da2a59f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-rhine.cil.i[404258,404271] [2022-12-14 06:00:08,548 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_95584af3-6832-4f3b-8f93-6bb79da2a59f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-rhine.cil.i[404425,404438] [2022-12-14 06:00:08,548 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_95584af3-6832-4f3b-8f93-6bb79da2a59f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-rhine.cil.i[404593,404606] [2022-12-14 06:00:08,553 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:00:08,667 INFO L208 MainTranslator]: Completed translation [2022-12-14 06:00:08,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:00:08 WrapperNode [2022-12-14 06:00:08,668 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 06:00:08,668 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 06:00:08,669 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 06:00:08,669 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 06:00:08,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:00:08" (1/1) ... [2022-12-14 06:00:08,729 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:00:08" (1/1) ... [2022-12-14 06:00:08,834 INFO L138 Inliner]: procedures = 559, calls = 2809, calls flagged for inlining = 291, calls inlined = 253, statements flattened = 5834 [2022-12-14 06:00:08,835 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 06:00:08,835 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 06:00:08,835 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 06:00:08,835 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 06:00:08,844 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:00:08" (1/1) ... [2022-12-14 06:00:08,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:00:08" (1/1) ... [2022-12-14 06:00:08,858 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:00:08" (1/1) ... [2022-12-14 06:00:08,859 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:00:08" (1/1) ... [2022-12-14 06:00:08,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:00:08" (1/1) ... [2022-12-14 06:00:08,958 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:00:08" (1/1) ... [2022-12-14 06:00:08,974 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:00:08" (1/1) ... [2022-12-14 06:00:08,983 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:00:08" (1/1) ... [2022-12-14 06:00:09,002 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 06:00:09,003 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 06:00:09,003 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 06:00:09,003 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 06:00:09,004 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:00:08" (1/1) ... [2022-12-14 06:00:09,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:00:09,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95584af3-6832-4f3b-8f93-6bb79da2a59f/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:00:09,027 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95584af3-6832-4f3b-8f93-6bb79da2a59f/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 06:00:09,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95584af3-6832-4f3b-8f93-6bb79da2a59f/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 06:00:09,061 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-12-14 06:00:09,061 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-12-14 06:00:09,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 06:00:09,061 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 06:00:09,061 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-12-14 06:00:09,061 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-12-14 06:00:09,061 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-12-14 06:00:09,061 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-12-14 06:00:09,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 06:00:09,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 06:00:09,061 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-12-14 06:00:09,061 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-12-14 06:00:09,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-14 06:00:09,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-14 06:00:09,062 INFO L130 BoogieDeclarations]: Found specification of procedure free_tbufs [2022-12-14 06:00:09,062 INFO L138 BoogieDeclarations]: Found implementation of procedure free_tbufs [2022-12-14 06:00:09,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_80 [2022-12-14 06:00:09,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_80 [2022-12-14 06:00:09,062 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-12-14 06:00:09,062 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-12-14 06:00:09,062 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-12-14 06:00:09,062 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-12-14 06:00:09,062 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-12-14 06:00:09,062 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-12-14 06:00:09,062 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-12-14 06:00:09,062 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-12-14 06:00:09,062 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-12-14 06:00:09,062 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-12-14 06:00:09,062 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_poll [2022-12-14 06:00:09,062 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_poll [2022-12-14 06:00:09,062 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2022-12-14 06:00:09,062 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2022-12-14 06:00:09,062 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-12-14 06:00:09,062 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-12-14 06:00:09,062 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_wait_bit_low [2022-12-14 06:00:09,062 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_wait_bit_low [2022-12-14 06:00:09,063 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-12-14 06:00:09,063 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-12-14 06:00:09,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-14 06:00:09,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-14 06:00:09,063 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-12-14 06:00:09,063 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-12-14 06:00:09,063 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-12-14 06:00:09,063 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-12-14 06:00:09,063 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-12-14 06:00:09,063 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-12-14 06:00:09,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-14 06:00:09,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-14 06:00:09,063 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-12-14 06:00:09,063 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-12-14 06:00:09,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 06:00:09,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_62 [2022-12-14 06:00:09,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_62 [2022-12-14 06:00:09,063 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-12-14 06:00:09,063 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-12-14 06:00:09,063 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_wait_bit [2022-12-14 06:00:09,063 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_wait_bit [2022-12-14 06:00:09,063 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-12-14 06:00:09,063 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-12-14 06:00:09,064 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-12-14 06:00:09,064 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-12-14 06:00:09,064 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_rbufs [2022-12-14 06:00:09,064 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_rbufs [2022-12-14 06:00:09,064 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-12-14 06:00:09,064 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-12-14 06:00:09,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 06:00:09,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-14 06:00:09,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-14 06:00:09,064 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_interrupt [2022-12-14 06:00:09,064 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_interrupt [2022-12-14 06:00:09,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 06:00:09,064 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-12-14 06:00:09,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-12-14 06:00:09,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-12-14 06:00:09,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-12-14 06:00:09,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-12-14 06:00:09,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-12-14 06:00:09,064 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_task_disable [2022-12-14 06:00:09,064 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_task_disable [2022-12-14 06:00:09,064 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2022-12-14 06:00:09,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2022-12-14 06:00:09,064 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-12-14 06:00:09,065 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-12-14 06:00:09,065 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-12-14 06:00:09,065 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-12-14 06:00:09,065 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_set_carrier [2022-12-14 06:00:09,065 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_set_carrier [2022-12-14 06:00:09,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-12-14 06:00:09,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-12-14 06:00:09,065 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_shutdown [2022-12-14 06:00:09,065 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_shutdown [2022-12-14 06:00:09,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 06:00:09,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-12-14 06:00:09,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-12-14 06:00:09,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-12-14 06:00:09,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-12-14 06:00:09,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-12-14 06:00:09,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-12-14 06:00:09,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-12-14 06:00:09,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-12-14 06:00:09,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 06:00:09,065 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_nway_reset [2022-12-14 06:00:09,065 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_nway_reset [2022-12-14 06:00:09,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-14 06:00:09,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-14 06:00:09,066 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-12-14 06:00:09,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-12-14 06:00:09,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 06:00:09,066 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-14 06:00:09,066 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2022-12-14 06:00:09,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2022-12-14 06:00:09,066 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 06:00:09,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 06:00:09,066 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_set_rx_mode [2022-12-14 06:00:09,066 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_set_rx_mode [2022-12-14 06:00:09,066 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-12-14 06:00:09,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-12-14 06:00:09,066 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_update_rx_crc_and_missed_errord [2022-12-14 06:00:09,066 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_update_rx_crc_and_missed_errord [2022-12-14 06:00:09,066 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2022-12-14 06:00:09,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2022-12-14 06:00:09,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_rhine_private [2022-12-14 06:00:09,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_rhine_private [2022-12-14 06:00:09,066 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-12-14 06:00:09,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-12-14 06:00:09,066 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-12-14 06:00:09,066 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-12-14 06:00:09,066 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-14 06:00:09,066 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-14 06:00:09,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-12-14 06:00:09,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-12-14 06:00:09,067 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2022-12-14 06:00:09,067 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2022-12-14 06:00:09,067 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-12-14 06:00:09,067 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-12-14 06:00:09,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_68 [2022-12-14 06:00:09,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_68 [2022-12-14 06:00:09,067 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_power_init [2022-12-14 06:00:09,067 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_power_init [2022-12-14 06:00:09,067 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_tx_timeout [2022-12-14 06:00:09,067 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_tx_timeout [2022-12-14 06:00:09,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_rhine_private [2022-12-14 06:00:09,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_rhine_private [2022-12-14 06:00:09,067 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-12-14 06:00:09,067 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-12-14 06:00:09,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 06:00:09,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 06:00:09,067 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-12-14 06:00:09,067 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-12-14 06:00:09,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 06:00:09,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 06:00:09,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 06:00:09,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-14 06:00:09,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-14 06:00:09,068 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-12-14 06:00:09,068 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_chip_reset [2022-12-14 06:00:09,068 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_chip_reset [2022-12-14 06:00:09,068 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-12-14 06:00:09,068 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-12-14 06:00:09,068 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-12-14 06:00:09,068 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-12-14 06:00:09,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 06:00:09,068 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 06:00:09,068 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_set_cam_mask [2022-12-14 06:00:09,068 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_set_cam_mask [2022-12-14 06:00:09,068 INFO L130 BoogieDeclarations]: Found specification of procedure init_registers [2022-12-14 06:00:09,068 INFO L138 BoogieDeclarations]: Found implementation of procedure init_registers [2022-12-14 06:00:09,068 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-12-14 06:00:09,068 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-12-14 06:00:09,068 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_remove_one [2022-12-14 06:00:09,068 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_remove_one [2022-12-14 06:00:09,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-12-14 06:00:09,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-12-14 06:00:09,068 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-12-14 06:00:09,068 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-12-14 06:00:09,068 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_close [2022-12-14 06:00:09,068 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_close [2022-12-14 06:00:09,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_79 [2022-12-14 06:00:09,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_79 [2022-12-14 06:00:09,069 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-12-14 06:00:09,069 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-12-14 06:00:09,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 06:00:09,069 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-14 06:00:09,069 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-14 06:00:09,069 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-12-14 06:00:09,069 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-12-14 06:00:09,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 06:00:09,069 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_check_media [2022-12-14 06:00:09,069 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_check_media [2022-12-14 06:00:09,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rhine_cleanup_14_2 [2022-12-14 06:00:09,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rhine_cleanup_14_2 [2022-12-14 06:00:09,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 06:00:09,069 INFO L130 BoogieDeclarations]: Found specification of procedure free_rbufs [2022-12-14 06:00:09,069 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rbufs [2022-12-14 06:00:09,070 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_get_events [2022-12-14 06:00:09,070 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_get_events [2022-12-14 06:00:09,070 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-12-14 06:00:09,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-12-14 06:00:09,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-12-14 06:00:09,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-12-14 06:00:09,070 INFO L130 BoogieDeclarations]: Found specification of procedure enable_mmio [2022-12-14 06:00:09,070 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_mmio [2022-12-14 06:00:09,070 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_set_vlan_cam_mask [2022-12-14 06:00:09,070 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_set_vlan_cam_mask [2022-12-14 06:00:09,070 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-12-14 06:00:09,070 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-12-14 06:00:09,070 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-12-14 06:00:09,070 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-12-14 06:00:09,070 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-12-14 06:00:09,071 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-12-14 06:00:09,071 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-12-14 06:00:09,071 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-12-14 06:00:09,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-14 06:00:09,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-14 06:00:09,071 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-12-14 06:00:09,071 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-12-14 06:00:09,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-12-14 06:00:09,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-12-14 06:00:09,071 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-12-14 06:00:09,071 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-12-14 06:00:09,071 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-12-14 06:00:09,071 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-12-14 06:00:09,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_63 [2022-12-14 06:00:09,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_63 [2022-12-14 06:00:09,072 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_disable_linkmon [2022-12-14 06:00:09,072 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_disable_linkmon [2022-12-14 06:00:09,072 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_ack_events [2022-12-14 06:00:09,072 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_ack_events [2022-12-14 06:00:09,072 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-12-14 06:00:09,072 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-12-14 06:00:09,072 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_resume [2022-12-14 06:00:09,072 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_resume [2022-12-14 06:00:09,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 06:00:09,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_67 [2022-12-14 06:00:09,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_67 [2022-12-14 06:00:09,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 06:00:09,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 06:00:09,072 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2022-12-14 06:00:09,072 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2022-12-14 06:00:09,073 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-12-14 06:00:09,073 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-12-14 06:00:09,073 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_wait_bit_high [2022-12-14 06:00:09,073 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_wait_bit_high [2022-12-14 06:00:09,073 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_irq_disable [2022-12-14 06:00:09,073 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_irq_disable [2022-12-14 06:00:09,073 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_task_enable [2022-12-14 06:00:09,073 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_task_enable [2022-12-14 06:00:09,073 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_tbufs [2022-12-14 06:00:09,073 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_tbufs [2022-12-14 06:00:09,073 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-12-14 06:00:09,073 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-12-14 06:00:09,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-14 06:00:09,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-14 06:00:09,073 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-12-14 06:00:09,074 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-12-14 06:00:09,074 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-12-14 06:00:09,074 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-12-14 06:00:09,074 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_enable_linkmon [2022-12-14 06:00:09,074 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_enable_linkmon [2022-12-14 06:00:09,074 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_update_vcam [2022-12-14 06:00:09,074 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_update_vcam [2022-12-14 06:00:09,074 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-12-14 06:00:09,074 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-12-14 06:00:09,074 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-12-14 06:00:09,074 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-12-14 06:00:09,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 06:00:09,074 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_suspend [2022-12-14 06:00:09,074 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_suspend [2022-12-14 06:00:09,074 INFO L130 BoogieDeclarations]: Found specification of procedure rhine_open [2022-12-14 06:00:09,074 INFO L138 BoogieDeclarations]: Found implementation of procedure rhine_open [2022-12-14 06:00:09,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-12-14 06:00:09,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-12-14 06:00:09,685 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 06:00:09,688 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 06:00:09,838 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 06:08:52,465 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-12-14 06:08:52,520 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 06:08:56,999 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 06:08:56,999 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-12-14 06:08:57,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:08:57 BoogieIcfgContainer [2022-12-14 06:08:57,005 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 06:08:57,007 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 06:08:57,007 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 06:08:57,009 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 06:08:57,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:00:05" (1/3) ... [2022-12-14 06:08:57,010 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78300f79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:08:57, skipping insertion in model container [2022-12-14 06:08:57,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:00:08" (2/3) ... [2022-12-14 06:08:57,010 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78300f79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:08:57, skipping insertion in model container [2022-12-14 06:08:57,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:08:57" (3/3) ... [2022-12-14 06:08:57,011 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-via-via-rhine.cil.i [2022-12-14 06:08:57,025 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 06:08:57,026 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-12-14 06:08:57,083 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 06:08:57,088 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;@2ceadcc4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 06:08:57,088 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-14 06:08:57,095 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) [2022-12-14 06:08:57,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-12-14 06:08:57,109 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:08:57,110 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] [2022-12-14 06:08:57,110 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 06:08:57,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:08:57,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1720596129, now seen corresponding path program 1 times [2022-12-14 06:08:57,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:08:57,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928666213] [2022-12-14 06:08:57,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:08:57,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:08:57,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:08:59,062 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 759 trivial. 0 not checked. [2022-12-14 06:08:59,063 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:08:59,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928666213] [2022-12-14 06:08:59,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928666213] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:08:59,064 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:08:59,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 06:08:59,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008642743] [2022-12-14 06:08:59,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:08:59,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:08:59,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:08:59,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:08:59,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:08:59,104 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) [2022-12-14 06:09:01,244 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 [] [2022-12-14 06:09:05,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:09:05,456 INFO L93 Difference]: Finished difference Result 4901 states and 7279 transitions. [2022-12-14 06:09:05,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:09:05,458 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 [2022-12-14 06:09:05,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:09:05,485 INFO L225 Difference]: With dead ends: 4901 [2022-12-14 06:09:05,485 INFO L226 Difference]: Without dead ends: 3233 [2022-12-14 06:09:05,497 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:09:05,499 INFO L413 NwaCegarLoop]: 2632 mSDtfsCounter, 2301 mSDsluCounter, 2044 mSDsCounter, 0 mSdLazyCounter, 718 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s 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, 6.0s IncrementalHoareTripleChecker+Time [2022-12-14 06:09:05,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2301 Valid, 4676 Invalid, 728 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 718 Invalid, 1 Unknown, 0 Unchecked, 6.0s Time] [2022-12-14 06:09:05,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3233 states. [2022-12-14 06:09:05,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3233 to 3229. [2022-12-14 06:09:05,670 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) [2022-12-14 06:09:05,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3229 states to 3229 states and 4671 transitions. [2022-12-14 06:09:05,687 INFO L78 Accepts]: Start accepts. Automaton has 3229 states and 4671 transitions. Word has length 165 [2022-12-14 06:09:05,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:09:05,687 INFO L495 AbstractCegarLoop]: Abstraction has 3229 states and 4671 transitions. [2022-12-14 06:09:05,687 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) [2022-12-14 06:09:05,688 INFO L276 IsEmpty]: Start isEmpty. Operand 3229 states and 4671 transitions. [2022-12-14 06:09:05,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-12-14 06:09:05,692 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:09:05,692 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] [2022-12-14 06:09:05,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 06:09:05,692 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)] === [2022-12-14 06:09:05,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:09:05,693 INFO L85 PathProgramCache]: Analyzing trace with hash -1193432632, now seen corresponding path program 1 times [2022-12-14 06:09:05,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:09:05,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136984570] [2022-12-14 06:09:05,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:09:05,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:09:06,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:09:06,739 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-12-14 06:09:06,740 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:09:06,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136984570] [2022-12-14 06:09:06,740 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136984570] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:09:06,740 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:09:06,740 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 06:09:06,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567488164] [2022-12-14 06:09:06,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:09:06,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:09:06,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:09:06,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:09:06,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:09:06,743 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) [2022-12-14 06:09:08,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:09:14,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:09:14,184 INFO L93 Difference]: Finished difference Result 9107 states and 13119 transitions. [2022-12-14 06:09:14,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:09:14,185 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 [2022-12-14 06:09:14,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:09:14,211 INFO L225 Difference]: With dead ends: 9107 [2022-12-14 06:09:14,211 INFO L226 Difference]: Without dead ends: 5907 [2022-12-14 06:09:14,223 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:09:14,223 INFO L413 NwaCegarLoop]: 2549 mSDtfsCounter, 1960 mSDsluCounter, 2008 mSDsCounter, 0 mSdLazyCounter, 733 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s 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, 7.1s IncrementalHoareTripleChecker+Time [2022-12-14 06:09:14,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1960 Valid, 4557 Invalid, 741 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 733 Invalid, 1 Unknown, 0 Unchecked, 7.1s Time] [2022-12-14 06:09:14,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5907 states. [2022-12-14 06:09:14,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5907 to 5878. [2022-12-14 06:09:14,407 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) [2022-12-14 06:09:14,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5878 states to 5878 states and 8444 transitions. [2022-12-14 06:09:14,428 INFO L78 Accepts]: Start accepts. Automaton has 5878 states and 8444 transitions. Word has length 169 [2022-12-14 06:09:14,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:09:14,429 INFO L495 AbstractCegarLoop]: Abstraction has 5878 states and 8444 transitions. [2022-12-14 06:09:14,429 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) [2022-12-14 06:09:14,429 INFO L276 IsEmpty]: Start isEmpty. Operand 5878 states and 8444 transitions. [2022-12-14 06:09:14,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-12-14 06:09:14,432 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:09:14,432 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] [2022-12-14 06:09:14,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 06:09:14,433 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 06:09:14,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:09:14,433 INFO L85 PathProgramCache]: Analyzing trace with hash -591123732, now seen corresponding path program 1 times [2022-12-14 06:09:14,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:09:14,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884051870] [2022-12-14 06:09:14,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:09:14,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:09:14,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:09:15,823 INFO L134 CoverageAnalysis]: Checked inductivity of 758 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 758 trivial. 0 not checked. [2022-12-14 06:09:15,823 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:09:15,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884051870] [2022-12-14 06:09:15,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884051870] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:09:15,823 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:09:15,823 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 06:09:15,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594340850] [2022-12-14 06:09:15,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:09:15,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:09:15,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:09:15,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:09:15,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:09:15,825 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) [2022-12-14 06:09:17,934 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 [] [2022-12-14 06:09:22,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:09:23,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:09:23,986 INFO L93 Difference]: Finished difference Result 16804 states and 24074 transitions. [2022-12-14 06:09:23,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:09:23,986 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 [2022-12-14 06:09:23,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:09:24,026 INFO L225 Difference]: With dead ends: 16804 [2022-12-14 06:09:24,026 INFO L226 Difference]: Without dead ends: 10955 [2022-12-14 06:09:24,045 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:09:24,046 INFO L413 NwaCegarLoop]: 2741 mSDtfsCounter, 2042 mSDsluCounter, 2005 mSDsCounter, 0 mSdLazyCounter, 802 mSolverCounterSat, 29 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s 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, 7.8s IncrementalHoareTripleChecker+Time [2022-12-14 06:09:24,046 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2042 Valid, 4746 Invalid, 832 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 802 Invalid, 1 Unknown, 0 Unchecked, 7.8s Time] [2022-12-14 06:09:24,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10955 states. [2022-12-14 06:09:24,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10955 to 10922. [2022-12-14 06:09:24,401 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) [2022-12-14 06:09:24,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10922 states to 10922 states and 15520 transitions. [2022-12-14 06:09:24,436 INFO L78 Accepts]: Start accepts. Automaton has 10922 states and 15520 transitions. Word has length 186 [2022-12-14 06:09:24,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:09:24,437 INFO L495 AbstractCegarLoop]: Abstraction has 10922 states and 15520 transitions. [2022-12-14 06:09:24,437 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) [2022-12-14 06:09:24,437 INFO L276 IsEmpty]: Start isEmpty. Operand 10922 states and 15520 transitions. [2022-12-14 06:09:24,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-12-14 06:09:24,439 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:09:24,439 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] [2022-12-14 06:09:24,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 06:09:24,440 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 06:09:24,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:09:24,440 INFO L85 PathProgramCache]: Analyzing trace with hash 139630886, now seen corresponding path program 1 times [2022-12-14 06:09:24,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:09:24,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893886639] [2022-12-14 06:09:24,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:09:24,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:09:24,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:09:26,973 INFO L134 CoverageAnalysis]: Checked inductivity of 758 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 758 trivial. 0 not checked. [2022-12-14 06:09:26,973 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:09:26,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893886639] [2022-12-14 06:09:26,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893886639] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:09:26,974 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:09:26,974 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 06:09:26,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675969239] [2022-12-14 06:09:26,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:09:26,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 06:09:26,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:09:26,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 06:09:26,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-12-14 06:09:26,976 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) [2022-12-14 06:09:29,087 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 [] [2022-12-14 06:09:44,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:09:44,870 INFO L93 Difference]: Finished difference Result 27780 states and 39324 transitions. [2022-12-14 06:09:44,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 06:09:44,872 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 [2022-12-14 06:09:44,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:09:44,935 INFO L225 Difference]: With dead ends: 27780 [2022-12-14 06:09:44,935 INFO L226 Difference]: Without dead ends: 16887 [2022-12-14 06:09:44,964 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 [2022-12-14 06:09:44,965 INFO L413 NwaCegarLoop]: 3352 mSDtfsCounter, 5920 mSDsluCounter, 4344 mSDsCounter, 0 mSdLazyCounter, 3377 mSolverCounterSat, 1203 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6059 SdHoareTripleChecker+Valid, 7696 SdHoareTripleChecker+Invalid, 4581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1203 IncrementalHoareTripleChecker+Valid, 3377 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.1s IncrementalHoareTripleChecker+Time [2022-12-14 06:09:44,965 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6059 Valid, 7696 Invalid, 4581 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1203 Valid, 3377 Invalid, 1 Unknown, 0 Unchecked, 17.1s Time] [2022-12-14 06:09:44,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16887 states. [2022-12-14 06:09:45,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16887 to 16817. [2022-12-14 06:09:45,522 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) [2022-12-14 06:09:45,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16817 states to 16817 states and 23663 transitions. [2022-12-14 06:09:45,574 INFO L78 Accepts]: Start accepts. Automaton has 16817 states and 23663 transitions. Word has length 181 [2022-12-14 06:09:45,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:09:45,574 INFO L495 AbstractCegarLoop]: Abstraction has 16817 states and 23663 transitions. [2022-12-14 06:09:45,575 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) [2022-12-14 06:09:45,575 INFO L276 IsEmpty]: Start isEmpty. Operand 16817 states and 23663 transitions. [2022-12-14 06:09:45,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-12-14 06:09:45,579 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:09:45,580 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] [2022-12-14 06:09:45,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 06:09:45,580 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 06:09:45,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:09:45,580 INFO L85 PathProgramCache]: Analyzing trace with hash 759171370, now seen corresponding path program 1 times [2022-12-14 06:09:45,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:09:45,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536110328] [2022-12-14 06:09:45,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:09:45,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:09:45,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:09:46,818 INFO L134 CoverageAnalysis]: Checked inductivity of 795 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 788 trivial. 0 not checked. [2022-12-14 06:09:46,819 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:09:46,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536110328] [2022-12-14 06:09:46,819 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536110328] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:09:46,819 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:09:46,819 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 06:09:46,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198775687] [2022-12-14 06:09:46,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:09:46,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:09:46,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:09:46,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:09:46,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:09:46,821 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) [2022-12-14 06:09:48,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:09:54,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:09:55,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:09:55,491 INFO L93 Difference]: Finished difference Result 46587 states and 65606 transitions. [2022-12-14 06:09:55,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:09:55,492 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 [2022-12-14 06:09:55,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:09:55,681 INFO L225 Difference]: With dead ends: 46587 [2022-12-14 06:09:55,682 INFO L226 Difference]: Without dead ends: 29799 [2022-12-14 06:09:55,716 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:09:55,716 INFO L413 NwaCegarLoop]: 2949 mSDtfsCounter, 2271 mSDsluCounter, 2033 mSDsCounter, 0 mSdLazyCounter, 813 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s 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, 7.8s IncrementalHoareTripleChecker+Time [2022-12-14 06:09:55,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2271 Valid, 4982 Invalid, 827 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 813 Invalid, 1 Unknown, 0 Unchecked, 7.8s Time] [2022-12-14 06:09:55,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29799 states. [2022-12-14 06:09:56,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29799 to 29750. [2022-12-14 06:09:56,721 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) [2022-12-14 06:09:56,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29750 states to 29750 states and 41799 transitions. [2022-12-14 06:09:56,820 INFO L78 Accepts]: Start accepts. Automaton has 29750 states and 41799 transitions. Word has length 206 [2022-12-14 06:09:56,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:09:56,820 INFO L495 AbstractCegarLoop]: Abstraction has 29750 states and 41799 transitions. [2022-12-14 06:09:56,821 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) [2022-12-14 06:09:56,821 INFO L276 IsEmpty]: Start isEmpty. Operand 29750 states and 41799 transitions. [2022-12-14 06:09:56,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-12-14 06:09:56,823 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:09:56,824 INFO L195 NwaCegarLoop]: trace histogram [18, 14, 14, 14, 14, 14, 14, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:09:56,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 06:09:56,824 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 06:09:56,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:09:56,824 INFO L85 PathProgramCache]: Analyzing trace with hash 939867325, now seen corresponding path program 1 times [2022-12-14 06:09:56,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:09:56,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580682995] [2022-12-14 06:09:56,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:09:56,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:09:57,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:09:58,767 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2022-12-14 06:09:58,767 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:09:58,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580682995] [2022-12-14 06:09:58,767 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580682995] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:09:58,767 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:09:58,767 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 06:09:58,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700369797] [2022-12-14 06:09:58,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:09:58,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:09:58,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:09:58,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:09:58,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:09:58,770 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) [2022-12-14 06:10:00,886 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 [] [2022-12-14 06:10:06,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:10:06,696 INFO L93 Difference]: Finished difference Result 30070 states and 42117 transitions. [2022-12-14 06:10:06,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 06:10:06,697 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 208 [2022-12-14 06:10:06,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:10:06,798 INFO L225 Difference]: With dead ends: 30070 [2022-12-14 06:10:06,798 INFO L226 Difference]: Without dead ends: 30068 [2022-12-14 06:10:06,811 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 06:10:06,812 INFO L413 NwaCegarLoop]: 2059 mSDtfsCounter, 2334 mSDsluCounter, 4136 mSDsCounter, 0 mSdLazyCounter, 1067 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s 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, 7.0s IncrementalHoareTripleChecker+Time [2022-12-14 06:10:06,812 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2345 Valid, 6195 Invalid, 1070 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1067 Invalid, 1 Unknown, 0 Unchecked, 7.0s Time] [2022-12-14 06:10:06,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30068 states. [2022-12-14 06:10:07,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30068 to 30066. [2022-12-14 06:10:07,900 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) [2022-12-14 06:10:07,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30066 states to 30066 states and 42114 transitions. [2022-12-14 06:10:07,987 INFO L78 Accepts]: Start accepts. Automaton has 30066 states and 42114 transitions. Word has length 208 [2022-12-14 06:10:07,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:10:07,988 INFO L495 AbstractCegarLoop]: Abstraction has 30066 states and 42114 transitions. [2022-12-14 06:10:07,988 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) [2022-12-14 06:10:07,988 INFO L276 IsEmpty]: Start isEmpty. Operand 30066 states and 42114 transitions. [2022-12-14 06:10:07,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-12-14 06:10:07,991 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:10:07,991 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] [2022-12-14 06:10:07,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 06:10:07,992 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 06:10:07,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:10:07,992 INFO L85 PathProgramCache]: Analyzing trace with hash -1530862138, now seen corresponding path program 1 times [2022-12-14 06:10:07,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:10:07,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800239560] [2022-12-14 06:10:07,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:10:07,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:10:08,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:10:09,846 INFO L134 CoverageAnalysis]: Checked inductivity of 888 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2022-12-14 06:10:09,847 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:10:09,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800239560] [2022-12-14 06:10:09,847 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800239560] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:10:09,847 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:10:09,847 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 06:10:09,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838660731] [2022-12-14 06:10:09,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:10:09,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:10:09,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:10:09,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:10:09,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:10:09,849 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) [2022-12-14 06:10:11,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:10:18,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:10:20,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:10:20,043 INFO L93 Difference]: Finished difference Result 30072 states and 42119 transitions. [2022-12-14 06:10:20,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 06:10:20,044 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 [2022-12-14 06:10:20,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:10:20,119 INFO L225 Difference]: With dead ends: 30072 [2022-12-14 06:10:20,119 INFO L226 Difference]: Without dead ends: 30070 [2022-12-14 06:10:20,128 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 [2022-12-14 06:10:20,128 INFO L413 NwaCegarLoop]: 2058 mSDtfsCounter, 2341 mSDsluCounter, 4097 mSDsCounter, 0 mSdLazyCounter, 1060 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s 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, 9.1s IncrementalHoareTripleChecker+Time [2022-12-14 06:10:20,129 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2351 Valid, 6155 Invalid, 1062 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1060 Invalid, 1 Unknown, 0 Unchecked, 9.1s Time] [2022-12-14 06:10:20,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30070 states. [2022-12-14 06:10:21,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30070 to 30070. [2022-12-14 06:10:21,218 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) [2022-12-14 06:10:21,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30070 states to 30070 states and 42117 transitions. [2022-12-14 06:10:21,301 INFO L78 Accepts]: Start accepts. Automaton has 30070 states and 42117 transitions. Word has length 213 [2022-12-14 06:10:21,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:10:21,301 INFO L495 AbstractCegarLoop]: Abstraction has 30070 states and 42117 transitions. [2022-12-14 06:10:21,301 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) [2022-12-14 06:10:21,301 INFO L276 IsEmpty]: Start isEmpty. Operand 30070 states and 42117 transitions. [2022-12-14 06:10:21,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-12-14 06:10:21,305 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:10:21,305 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] [2022-12-14 06:10:21,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 06:10:21,306 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 06:10:21,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:10:21,306 INFO L85 PathProgramCache]: Analyzing trace with hash -1697652258, now seen corresponding path program 1 times [2022-12-14 06:10:21,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:10:21,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642912669] [2022-12-14 06:10:21,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:10:21,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:10:21,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:10:23,194 INFO L134 CoverageAnalysis]: Checked inductivity of 895 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 891 trivial. 0 not checked. [2022-12-14 06:10:23,195 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:10:23,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642912669] [2022-12-14 06:10:23,195 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642912669] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:10:23,195 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:10:23,195 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 06:10:23,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414179460] [2022-12-14 06:10:23,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:10:23,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:10:23,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:10:23,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:10:23,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:10:23,198 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) [2022-12-14 06:10:25,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:10:32,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:10:32,116 INFO L93 Difference]: Finished difference Result 30076 states and 42122 transitions. [2022-12-14 06:10:32,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 06:10:32,117 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 [2022-12-14 06:10:32,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:10:32,192 INFO L225 Difference]: With dead ends: 30076 [2022-12-14 06:10:32,192 INFO L226 Difference]: Without dead ends: 30074 [2022-12-14 06:10:32,201 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 [2022-12-14 06:10:32,202 INFO L413 NwaCegarLoop]: 2058 mSDtfsCounter, 2341 mSDsluCounter, 4097 mSDsCounter, 0 mSdLazyCounter, 1060 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s 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, 7.6s IncrementalHoareTripleChecker+Time [2022-12-14 06:10:32,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2350 Valid, 6155 Invalid, 1062 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1060 Invalid, 1 Unknown, 0 Unchecked, 7.6s Time] [2022-12-14 06:10:32,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30074 states. [2022-12-14 06:10:33,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30074 to 30074. [2022-12-14 06:10:33,529 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) [2022-12-14 06:10:33,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30074 states to 30074 states and 42120 transitions. [2022-12-14 06:10:33,608 INFO L78 Accepts]: Start accepts. Automaton has 30074 states and 42120 transitions. Word has length 219 [2022-12-14 06:10:33,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:10:33,608 INFO L495 AbstractCegarLoop]: Abstraction has 30074 states and 42120 transitions. [2022-12-14 06:10:33,608 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) [2022-12-14 06:10:33,608 INFO L276 IsEmpty]: Start isEmpty. Operand 30074 states and 42120 transitions. [2022-12-14 06:10:33,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2022-12-14 06:10:33,611 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:10:33,612 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] [2022-12-14 06:10:33,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 06:10:33,612 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 06:10:33,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:10:33,612 INFO L85 PathProgramCache]: Analyzing trace with hash -1382081562, now seen corresponding path program 1 times [2022-12-14 06:10:33,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:10:33,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600062031] [2022-12-14 06:10:33,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:10:33,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:10:33,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:10:35,321 INFO L134 CoverageAnalysis]: Checked inductivity of 904 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 898 trivial. 0 not checked. [2022-12-14 06:10:35,321 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:10:35,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600062031] [2022-12-14 06:10:35,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600062031] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:10:35,321 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:10:35,321 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 06:10:35,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38537166] [2022-12-14 06:10:35,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:10:35,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:10:35,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:10:35,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:10:35,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:10:35,323 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) [2022-12-14 06:10:37,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:10:45,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:10:45,054 INFO L93 Difference]: Finished difference Result 30080 states and 42125 transitions. [2022-12-14 06:10:45,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 06:10:45,055 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 [2022-12-14 06:10:45,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:10:45,134 INFO L225 Difference]: With dead ends: 30080 [2022-12-14 06:10:45,135 INFO L226 Difference]: Without dead ends: 30078 [2022-12-14 06:10:45,146 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 [2022-12-14 06:10:45,146 INFO L413 NwaCegarLoop]: 2058 mSDtfsCounter, 2341 mSDsluCounter, 4097 mSDsCounter, 0 mSdLazyCounter, 1060 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2349 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, 8.4s IncrementalHoareTripleChecker+Time [2022-12-14 06:10:45,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2349 Valid, 6155 Invalid, 1062 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1060 Invalid, 1 Unknown, 0 Unchecked, 8.4s Time] [2022-12-14 06:10:45,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30078 states. [2022-12-14 06:10:46,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30078 to 30078. [2022-12-14 06:10:46,422 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) [2022-12-14 06:10:46,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30078 states to 30078 states and 42123 transitions. [2022-12-14 06:10:46,503 INFO L78 Accepts]: Start accepts. Automaton has 30078 states and 42123 transitions. Word has length 223 [2022-12-14 06:10:46,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:10:46,503 INFO L495 AbstractCegarLoop]: Abstraction has 30078 states and 42123 transitions. [2022-12-14 06:10:46,504 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) [2022-12-14 06:10:46,504 INFO L276 IsEmpty]: Start isEmpty. Operand 30078 states and 42123 transitions. [2022-12-14 06:10:46,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2022-12-14 06:10:46,507 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:10:46,508 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] [2022-12-14 06:10:46,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 06:10:46,508 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 06:10:46,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:10:46,508 INFO L85 PathProgramCache]: Analyzing trace with hash 281850366, now seen corresponding path program 1 times [2022-12-14 06:10:46,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:10:46,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357328663] [2022-12-14 06:10:46,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:10:46,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:10:46,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:10:48,226 INFO L134 CoverageAnalysis]: Checked inductivity of 919 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 911 trivial. 0 not checked. [2022-12-14 06:10:48,226 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:10:48,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357328663] [2022-12-14 06:10:48,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357328663] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:10:48,227 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:10:48,227 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 06:10:48,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097676066] [2022-12-14 06:10:48,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:10:48,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:10:48,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:10:48,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:10:48,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:10:48,228 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) [2022-12-14 06:10:50,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:10:56,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:10:58,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:10:58,487 INFO L93 Difference]: Finished difference Result 30084 states and 42128 transitions. [2022-12-14 06:10:58,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 06:10:58,488 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 [2022-12-14 06:10:58,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:10:58,569 INFO L225 Difference]: With dead ends: 30084 [2022-12-14 06:10:58,569 INFO L226 Difference]: Without dead ends: 30082 [2022-12-14 06:10:58,581 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 [2022-12-14 06:10:58,582 INFO L413 NwaCegarLoop]: 2058 mSDtfsCounter, 2341 mSDsluCounter, 4097 mSDsCounter, 0 mSdLazyCounter, 1060 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2348 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, 8.6s IncrementalHoareTripleChecker+Time [2022-12-14 06:10:58,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2348 Valid, 6155 Invalid, 1062 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1060 Invalid, 1 Unknown, 0 Unchecked, 8.6s Time] [2022-12-14 06:10:58,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30082 states. [2022-12-14 06:10:59,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30082 to 30082. [2022-12-14 06:10:59,946 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) [2022-12-14 06:11:00,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30082 states to 30082 states and 42126 transitions. [2022-12-14 06:11:00,028 INFO L78 Accepts]: Start accepts. Automaton has 30082 states and 42126 transitions. Word has length 229 [2022-12-14 06:11:00,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:11:00,029 INFO L495 AbstractCegarLoop]: Abstraction has 30082 states and 42126 transitions. [2022-12-14 06:11:00,029 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) [2022-12-14 06:11:00,029 INFO L276 IsEmpty]: Start isEmpty. Operand 30082 states and 42126 transitions. [2022-12-14 06:11:00,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2022-12-14 06:11:00,033 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:11:00,033 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] [2022-12-14 06:11:00,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 06:11:00,034 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)] === [2022-12-14 06:11:00,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:11:00,034 INFO L85 PathProgramCache]: Analyzing trace with hash 311542985, now seen corresponding path program 1 times [2022-12-14 06:11:00,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:11:00,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721926887] [2022-12-14 06:11:00,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:11:00,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:11:00,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:11:01,154 INFO L134 CoverageAnalysis]: Checked inductivity of 766 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 766 trivial. 0 not checked. [2022-12-14 06:11:01,154 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:11:01,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721926887] [2022-12-14 06:11:01,154 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721926887] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:11:01,155 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:11:01,155 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 06:11:01,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349683970] [2022-12-14 06:11:01,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:11:01,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:11:01,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:11:01,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:11:01,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:11:01,157 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) [2022-12-14 06:11:03,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:11:10,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:11:10,702 INFO L93 Difference]: Finished difference Result 86528 states and 121244 transitions. [2022-12-14 06:11:10,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:11:10,703 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 [2022-12-14 06:11:10,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:11:10,867 INFO L225 Difference]: With dead ends: 86528 [2022-12-14 06:11:10,867 INFO L226 Difference]: Without dead ends: 56475 [2022-12-14 06:11:10,937 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:11:10,938 INFO L413 NwaCegarLoop]: 2653 mSDtfsCounter, 2334 mSDsluCounter, 2050 mSDsCounter, 0 mSdLazyCounter, 711 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s 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, 6.7s IncrementalHoareTripleChecker+Time [2022-12-14 06:11:10,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2334 Valid, 4703 Invalid, 717 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 711 Invalid, 1 Unknown, 0 Unchecked, 6.7s Time] [2022-12-14 06:11:10,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56475 states. [2022-12-14 06:11:13,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56475 to 56382. [2022-12-14 06:11:13,706 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) [2022-12-14 06:11:13,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56382 states to 56382 states and 78965 transitions. [2022-12-14 06:11:13,910 INFO L78 Accepts]: Start accepts. Automaton has 56382 states and 78965 transitions. Word has length 249 [2022-12-14 06:11:13,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:11:13,911 INFO L495 AbstractCegarLoop]: Abstraction has 56382 states and 78965 transitions. [2022-12-14 06:11:13,911 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) [2022-12-14 06:11:13,911 INFO L276 IsEmpty]: Start isEmpty. Operand 56382 states and 78965 transitions. [2022-12-14 06:11:13,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-12-14 06:11:13,915 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:11:13,915 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] [2022-12-14 06:11:13,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 06:11:13,915 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 06:11:13,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:11:13,915 INFO L85 PathProgramCache]: Analyzing trace with hash 1186590757, now seen corresponding path program 1 times [2022-12-14 06:11:13,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:11:13,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23153156] [2022-12-14 06:11:13,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:11:13,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:11:14,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:11:15,768 INFO L134 CoverageAnalysis]: Checked inductivity of 937 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 927 trivial. 0 not checked. [2022-12-14 06:11:15,768 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:11:15,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23153156] [2022-12-14 06:11:15,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23153156] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:11:15,768 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:11:15,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 06:11:15,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219906635] [2022-12-14 06:11:15,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:11:15,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:11:15,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:11:15,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:11:15,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:11:15,770 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) [2022-12-14 06:11:17,868 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:11:24,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:11:27,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:11:27,354 INFO L93 Difference]: Finished difference Result 56388 states and 78970 transitions. [2022-12-14 06:11:27,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 06:11:27,355 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 [2022-12-14 06:11:27,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:11:27,523 INFO L225 Difference]: With dead ends: 56388 [2022-12-14 06:11:27,523 INFO L226 Difference]: Without dead ends: 56386 [2022-12-14 06:11:27,544 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 [2022-12-14 06:11:27,545 INFO L413 NwaCegarLoop]: 2058 mSDtfsCounter, 2341 mSDsluCounter, 4097 mSDsCounter, 0 mSdLazyCounter, 1060 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s 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, 8.6s IncrementalHoareTripleChecker+Time [2022-12-14 06:11:27,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2347 Valid, 6155 Invalid, 1062 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1060 Invalid, 1 Unknown, 0 Unchecked, 8.6s Time] [2022-12-14 06:11:27,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56386 states. [2022-12-14 06:11:30,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56386 to 56386. [2022-12-14 06:11:30,463 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) [2022-12-14 06:11:30,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56386 states to 56386 states and 78968 transitions. [2022-12-14 06:11:30,628 INFO L78 Accepts]: Start accepts. Automaton has 56386 states and 78968 transitions. Word has length 234 [2022-12-14 06:11:30,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:11:30,628 INFO L495 AbstractCegarLoop]: Abstraction has 56386 states and 78968 transitions. [2022-12-14 06:11:30,628 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) [2022-12-14 06:11:30,628 INFO L276 IsEmpty]: Start isEmpty. Operand 56386 states and 78968 transitions. [2022-12-14 06:11:30,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2022-12-14 06:11:30,633 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:11:30,633 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] [2022-12-14 06:11:30,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 06:11:30,633 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 06:11:30,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:11:30,634 INFO L85 PathProgramCache]: Analyzing trace with hash -219805491, now seen corresponding path program 1 times [2022-12-14 06:11:30,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:11:30,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058388619] [2022-12-14 06:11:30,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:11:30,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:11:30,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:11:32,395 INFO L134 CoverageAnalysis]: Checked inductivity of 953 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 941 trivial. 0 not checked. [2022-12-14 06:11:32,395 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:11:32,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058388619] [2022-12-14 06:11:32,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058388619] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:11:32,395 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:11:32,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 06:11:32,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293671048] [2022-12-14 06:11:32,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:11:32,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:11:32,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:11:32,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:11:32,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:11:32,397 INFO L87 Difference]: Start difference. First operand 56386 states and 78968 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 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) [2022-12-14 06:11:34,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:11:41,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:11:42,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:11:46,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:11:46,302 INFO L93 Difference]: Finished difference Result 66041 states and 91781 transitions. [2022-12-14 06:11:46,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 06:11:46,303 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 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 237 [2022-12-14 06:11:46,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:11:46,487 INFO L225 Difference]: With dead ends: 66041 [2022-12-14 06:11:46,487 INFO L226 Difference]: Without dead ends: 66039 [2022-12-14 06:11:46,511 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 [2022-12-14 06:11:46,511 INFO L413 NwaCegarLoop]: 2201 mSDtfsCounter, 2200 mSDsluCounter, 4843 mSDsCounter, 0 mSdLazyCounter, 1128 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2205 SdHoareTripleChecker+Valid, 7044 SdHoareTripleChecker+Invalid, 1131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1128 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2022-12-14 06:11:46,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2205 Valid, 7044 Invalid, 1131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1128 Invalid, 1 Unknown, 0 Unchecked, 10.3s Time] [2022-12-14 06:11:46,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66039 states. [2022-12-14 06:11:50,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66039 to 66037. [2022-12-14 06:11:50,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66037 states, 37038 states have (on average 1.2617311949889303) internal successors, (46732), 39238 states have internal predecessors, (46732), 22519 states have call successors, (22519), 6526 states have call predecessors, (22519), 6477 states have return successors, (22527), 21528 states have call predecessors, (22527), 22515 states have call successors, (22527) [2022-12-14 06:11:50,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66037 states to 66037 states and 91778 transitions. [2022-12-14 06:11:50,313 INFO L78 Accepts]: Start accepts. Automaton has 66037 states and 91778 transitions. Word has length 237 [2022-12-14 06:11:50,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:11:50,314 INFO L495 AbstractCegarLoop]: Abstraction has 66037 states and 91778 transitions. [2022-12-14 06:11:50,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 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) [2022-12-14 06:11:50,314 INFO L276 IsEmpty]: Start isEmpty. Operand 66037 states and 91778 transitions. [2022-12-14 06:11:50,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-12-14 06:11:50,319 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:11:50,319 INFO L195 NwaCegarLoop]: trace histogram [18, 14, 14, 14, 14, 14, 14, 8, 7, 7, 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, 1, 1] [2022-12-14 06:11:50,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 06:11:50,319 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 06:11:50,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:11:50,319 INFO L85 PathProgramCache]: Analyzing trace with hash -293883338, now seen corresponding path program 1 times [2022-12-14 06:11:50,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:11:50,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327122914] [2022-12-14 06:11:50,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:11:50,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:11:50,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:11:52,053 INFO L134 CoverageAnalysis]: Checked inductivity of 979 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 965 trivial. 0 not checked. [2022-12-14 06:11:52,054 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:11:52,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327122914] [2022-12-14 06:11:52,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327122914] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:11:52,054 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:11:52,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 06:11:52,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509279809] [2022-12-14 06:11:52,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:11:52,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:11:52,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:11:52,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:11:52,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:11:52,055 INFO L87 Difference]: Start difference. First operand 66037 states and 91778 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 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) [2022-12-14 06:11:54,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:12:01,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:12:04,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:12:04,138 INFO L93 Difference]: Finished difference Result 66043 states and 91783 transitions. [2022-12-14 06:12:04,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 06:12:04,139 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 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 242 [2022-12-14 06:12:04,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:12:04,338 INFO L225 Difference]: With dead ends: 66043 [2022-12-14 06:12:04,338 INFO L226 Difference]: Without dead ends: 66041 [2022-12-14 06:12:04,361 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 [2022-12-14 06:12:04,361 INFO L413 NwaCegarLoop]: 2058 mSDtfsCounter, 2342 mSDsluCounter, 4097 mSDsCounter, 0 mSdLazyCounter, 1060 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2346 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, 8.4s IncrementalHoareTripleChecker+Time [2022-12-14 06:12:04,362 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2346 Valid, 6155 Invalid, 1062 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1060 Invalid, 1 Unknown, 0 Unchecked, 8.4s Time] [2022-12-14 06:12:04,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66041 states. [2022-12-14 06:12:08,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66041 to 66041. [2022-12-14 06:12:08,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66041 states, 37041 states have (on average 1.2617099970303178) internal successors, (46735), 39241 states have internal predecessors, (46735), 22519 states have call successors, (22519), 6527 states have call predecessors, (22519), 6478 states have return successors, (22527), 21528 states have call predecessors, (22527), 22515 states have call successors, (22527) [2022-12-14 06:12:08,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66041 states to 66041 states and 91781 transitions. [2022-12-14 06:12:08,352 INFO L78 Accepts]: Start accepts. Automaton has 66041 states and 91781 transitions. Word has length 242 [2022-12-14 06:12:08,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:12:08,352 INFO L495 AbstractCegarLoop]: Abstraction has 66041 states and 91781 transitions. [2022-12-14 06:12:08,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 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) [2022-12-14 06:12:08,353 INFO L276 IsEmpty]: Start isEmpty. Operand 66041 states and 91781 transitions. [2022-12-14 06:12:08,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2022-12-14 06:12:08,359 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:12:08,359 INFO L195 NwaCegarLoop]: trace histogram [18, 14, 14, 14, 14, 14, 14, 9, 8, 8, 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, 1, 1, 1, 1] [2022-12-14 06:12:08,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 06:12:08,359 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 06:12:08,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:12:08,360 INFO L85 PathProgramCache]: Analyzing trace with hash -28206547, now seen corresponding path program 1 times [2022-12-14 06:12:08,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:12:08,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190783458] [2022-12-14 06:12:08,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:12:08,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:12:08,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:12:10,085 INFO L134 CoverageAnalysis]: Checked inductivity of 1009 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 993 trivial. 0 not checked. [2022-12-14 06:12:10,085 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:12:10,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190783458] [2022-12-14 06:12:10,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190783458] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:12:10,085 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:12:10,085 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 06:12:10,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097646673] [2022-12-14 06:12:10,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:12:10,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:12:10,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:12:10,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:12:10,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:12:10,087 INFO L87 Difference]: Start difference. First operand 66041 states and 91781 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-12-14 06:12:12,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:12:19,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:12:23,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:12:23,094 INFO L93 Difference]: Finished difference Result 66047 states and 91786 transitions. [2022-12-14 06:12:23,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 06:12:23,095 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 247 [2022-12-14 06:12:23,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:12:23,284 INFO L225 Difference]: With dead ends: 66047 [2022-12-14 06:12:23,285 INFO L226 Difference]: Without dead ends: 66045 [2022-12-14 06:12:23,308 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 [2022-12-14 06:12:23,309 INFO L413 NwaCegarLoop]: 2058 mSDtfsCounter, 2342 mSDsluCounter, 4097 mSDsCounter, 0 mSdLazyCounter, 1060 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2345 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, 9.2s IncrementalHoareTripleChecker+Time [2022-12-14 06:12:23,309 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2345 Valid, 6155 Invalid, 1062 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1060 Invalid, 1 Unknown, 0 Unchecked, 9.2s Time] [2022-12-14 06:12:23,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66045 states. [2022-12-14 06:12:27,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66045 to 66045. [2022-12-14 06:12:27,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66045 states, 37044 states have (on average 1.261688802505129) internal successors, (46738), 39244 states have internal predecessors, (46738), 22519 states have call successors, (22519), 6528 states have call predecessors, (22519), 6479 states have return successors, (22527), 21528 states have call predecessors, (22527), 22515 states have call successors, (22527) [2022-12-14 06:12:27,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66045 states to 66045 states and 91784 transitions. [2022-12-14 06:12:27,558 INFO L78 Accepts]: Start accepts. Automaton has 66045 states and 91784 transitions. Word has length 247 [2022-12-14 06:12:27,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:12:27,559 INFO L495 AbstractCegarLoop]: Abstraction has 66045 states and 91784 transitions. [2022-12-14 06:12:27,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-12-14 06:12:27,559 INFO L276 IsEmpty]: Start isEmpty. Operand 66045 states and 91784 transitions. [2022-12-14 06:12:27,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-12-14 06:12:27,566 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:12:27,566 INFO L195 NwaCegarLoop]: trace histogram [18, 14, 14, 14, 14, 14, 14, 10, 9, 9, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:12:27,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-14 06:12:27,566 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 06:12:27,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:12:27,566 INFO L85 PathProgramCache]: Analyzing trace with hash 1476193862, now seen corresponding path program 1 times [2022-12-14 06:12:27,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:12:27,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059694095] [2022-12-14 06:12:27,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:12:27,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:12:27,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:12:29,291 INFO L134 CoverageAnalysis]: Checked inductivity of 1048 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 1030 trivial. 0 not checked. [2022-12-14 06:12:29,292 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:12:29,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059694095] [2022-12-14 06:12:29,292 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059694095] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:12:29,292 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:12:29,292 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 06:12:29,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004653944] [2022-12-14 06:12:29,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:12:29,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:12:29,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:12:29,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:12:29,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:12:29,294 INFO L87 Difference]: Start difference. First operand 66045 states and 91784 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, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-12-14 06:12:31,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:12:41,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:12:41,353 INFO L93 Difference]: Finished difference Result 66051 states and 91789 transitions. [2022-12-14 06:12:41,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 06:12:41,354 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, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 253 [2022-12-14 06:12:41,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:12:41,543 INFO L225 Difference]: With dead ends: 66051 [2022-12-14 06:12:41,543 INFO L226 Difference]: Without dead ends: 66049 [2022-12-14 06:12:41,565 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 [2022-12-14 06:12:41,565 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, 2343 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 [2022-12-14 06:12:41,566 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2343 Valid, 6155 Invalid, 1062 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1060 Invalid, 1 Unknown, 0 Unchecked, 7.8s Time] [2022-12-14 06:12:41,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66049 states. [2022-12-14 06:12:46,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66049 to 66049. [2022-12-14 06:12:46,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66049 states, 37047 states have (on average 1.26166761141253) internal successors, (46741), 39247 states have internal predecessors, (46741), 22519 states have call successors, (22519), 6529 states have call predecessors, (22519), 6480 states have return successors, (22527), 21528 states have call predecessors, (22527), 22515 states have call successors, (22527) [2022-12-14 06:12:46,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66049 states to 66049 states and 91787 transitions. [2022-12-14 06:12:46,326 INFO L78 Accepts]: Start accepts. Automaton has 66049 states and 91787 transitions. Word has length 253 [2022-12-14 06:12:46,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:12:46,326 INFO L495 AbstractCegarLoop]: Abstraction has 66049 states and 91787 transitions. [2022-12-14 06:12:46,326 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, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-12-14 06:12:46,326 INFO L276 IsEmpty]: Start isEmpty. Operand 66049 states and 91787 transitions. [2022-12-14 06:12:46,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-12-14 06:12:46,334 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:12:46,335 INFO L195 NwaCegarLoop]: trace histogram [20, 14, 14, 14, 14, 14, 14, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:12:46,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-14 06:12:46,335 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 06:12:46,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:12:46,335 INFO L85 PathProgramCache]: Analyzing trace with hash 1857282212, now seen corresponding path program 1 times [2022-12-14 06:12:46,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:12:46,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811669557] [2022-12-14 06:12:46,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:12:46,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:12:46,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:12:47,471 INFO L134 CoverageAnalysis]: Checked inductivity of 961 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2022-12-14 06:12:47,471 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:12:47,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811669557] [2022-12-14 06:12:47,471 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811669557] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:12:47,471 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:12:47,472 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 06:12:47,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912542502] [2022-12-14 06:12:47,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:12:47,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:12:47,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:12:47,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:12:47,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:12:47,473 INFO L87 Difference]: Start difference. First operand 66049 states and 91787 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-12-14 06:12:49,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:12:57,452 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:13:01,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:13:01,839 INFO L93 Difference]: Finished difference Result 152311 states and 211728 transitions. [2022-12-14 06:13:01,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:13:01,840 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 253 [2022-12-14 06:13:01,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:13:02,106 INFO L225 Difference]: With dead ends: 152311 [2022-12-14 06:13:02,106 INFO L226 Difference]: Without dead ends: 86433 [2022-12-14 06:13:02,302 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:13:02,302 INFO L413 NwaCegarLoop]: 2911 mSDtfsCounter, 2028 mSDsluCounter, 2019 mSDsCounter, 0 mSdLazyCounter, 864 mSolverCounterSat, 14 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2028 SdHoareTripleChecker+Valid, 4930 SdHoareTripleChecker+Invalid, 879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 864 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-12-14 06:13:02,303 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2028 Valid, 4930 Invalid, 879 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 864 Invalid, 1 Unknown, 0 Unchecked, 8.2s Time] [2022-12-14 06:13:02,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86433 states. [2022-12-14 06:13:07,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86433 to 86338. [2022-12-14 06:13:08,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86338 states, 48485 states have (on average 1.2605548107662163) internal successors, (61118), 51356 states have internal predecessors, (61118), 29348 states have call successors, (29348), 8571 states have call predecessors, (29348), 8502 states have return successors, (29360), 28034 states have call predecessors, (29360), 29344 states have call successors, (29360) [2022-12-14 06:13:08,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86338 states to 86338 states and 119826 transitions. [2022-12-14 06:13:08,267 INFO L78 Accepts]: Start accepts. Automaton has 86338 states and 119826 transitions. Word has length 253 [2022-12-14 06:13:08,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:13:08,267 INFO L495 AbstractCegarLoop]: Abstraction has 86338 states and 119826 transitions. [2022-12-14 06:13:08,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-12-14 06:13:08,267 INFO L276 IsEmpty]: Start isEmpty. Operand 86338 states and 119826 transitions. [2022-12-14 06:13:08,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-12-14 06:13:08,274 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:13:08,274 INFO L195 NwaCegarLoop]: trace histogram [18, 14, 14, 14, 14, 14, 14, 11, 10, 10, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:13:08,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-14 06:13:08,274 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 06:13:08,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:13:08,275 INFO L85 PathProgramCache]: Analyzing trace with hash -608331875, now seen corresponding path program 1 times [2022-12-14 06:13:08,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:13:08,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588512036] [2022-12-14 06:13:08,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:13:08,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:13:08,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:13:10,115 INFO L134 CoverageAnalysis]: Checked inductivity of 1086 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 1066 trivial. 0 not checked. [2022-12-14 06:13:10,115 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:13:10,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588512036] [2022-12-14 06:13:10,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588512036] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:13:10,116 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:13:10,116 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 06:13:10,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059437032] [2022-12-14 06:13:10,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:13:10,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:13:10,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:13:10,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:13:10,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:13:10,117 INFO L87 Difference]: Start difference. First operand 86338 states and 119826 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, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-12-14 06:13:12,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:13:20,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 06:13:25,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:13:25,145 INFO L93 Difference]: Finished difference Result 86344 states and 119831 transitions. [2022-12-14 06:13:25,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 06:13:25,146 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, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 258 [2022-12-14 06:13:25,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:13:25,402 INFO L225 Difference]: With dead ends: 86344 [2022-12-14 06:13:25,402 INFO L226 Difference]: Without dead ends: 86340 [2022-12-14 06:13:25,434 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 [2022-12-14 06:13:25,435 INFO L413 NwaCegarLoop]: 2058 mSDtfsCounter, 2341 mSDsluCounter, 4097 mSDsCounter, 0 mSdLazyCounter, 1060 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2342 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, 9.0s IncrementalHoareTripleChecker+Time [2022-12-14 06:13:25,435 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2342 Valid, 6155 Invalid, 1062 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1060 Invalid, 1 Unknown, 0 Unchecked, 9.0s Time] [2022-12-14 06:13:25,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86340 states. [2022-12-14 06:13:31,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86340 to 86340. [2022-12-14 06:13:31,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86340 states, 48487 states have (on average 1.2605234392723823) internal successors, (61119), 51357 states have internal predecessors, (61119), 29348 states have call successors, (29348), 8572 states have call predecessors, (29348), 8502 states have return successors, (29360), 28034 states have call predecessors, (29360), 29344 states have call successors, (29360) [2022-12-14 06:13:31,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86340 states to 86340 states and 119827 transitions. [2022-12-14 06:13:31,811 INFO L78 Accepts]: Start accepts. Automaton has 86340 states and 119827 transitions. Word has length 258 [2022-12-14 06:13:31,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:13:31,812 INFO L495 AbstractCegarLoop]: Abstraction has 86340 states and 119827 transitions. [2022-12-14 06:13:31,812 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, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-12-14 06:13:31,812 INFO L276 IsEmpty]: Start isEmpty. Operand 86340 states and 119827 transitions. [2022-12-14 06:13:31,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2022-12-14 06:13:31,819 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:13:31,820 INFO L195 NwaCegarLoop]: trace histogram [18, 14, 14, 14, 14, 14, 14, 12, 11, 11, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:13:31,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-14 06:13:31,820 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 06:13:31,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:13:31,820 INFO L85 PathProgramCache]: Analyzing trace with hash 32971333, now seen corresponding path program 1 times [2022-12-14 06:13:31,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:13:31,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825932173] [2022-12-14 06:13:31,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:13:31,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:13:32,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat