./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 44a365b0a9ab0c087a7fd95686a95a7a3d5f7a279cab683ec4e216584d2b370f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 23:17:30,977 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:17:30,979 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:17:31,001 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:17:31,002 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:17:31,003 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:17:31,005 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:17:31,007 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:17:31,009 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:17:31,010 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:17:31,011 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:17:31,013 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:17:31,013 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:17:31,014 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:17:31,016 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:17:31,018 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:17:31,019 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:17:31,020 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:17:31,023 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:17:31,025 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:17:31,027 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:17:31,047 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:17:31,048 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:17:31,049 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:17:31,053 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:17:31,058 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:17:31,059 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:17:31,060 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:17:31,060 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:17:31,061 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:17:31,062 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:17:31,062 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:17:31,063 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:17:31,064 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:17:31,065 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:17:31,066 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:17:31,066 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:17:31,067 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:17:31,067 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:17:31,068 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:17:31,088 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:17:31,089 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-25 23:17:31,113 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:17:31,113 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:17:31,113 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:17:31,114 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:17:31,114 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:17:31,115 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:17:31,115 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:17:31,115 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:17:31,115 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:17:31,115 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:17:31,115 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:17:31,116 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:17:31,116 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:17:31,116 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:17:31,116 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:17:31,116 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:17:31,116 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:17:31,117 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:17:31,117 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:17:31,118 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:17:31,118 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:17:31,118 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:17:31,118 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:17:31,118 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:17:31,118 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:17:31,119 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:17:31,119 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:17:31,119 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:17:31,119 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:17:31,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:17:31,119 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:17:31,120 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:17:31,120 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:17:31,120 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:17:31,120 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:17:31,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:17:31,120 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:17:31,121 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:17:31,121 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 44a365b0a9ab0c087a7fd95686a95a7a3d5f7a279cab683ec4e216584d2b370f [2022-11-25 23:17:31,425 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:17:31,505 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:17:31,508 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:17:31,510 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:17:31,510 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:17:31,511 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i [2022-11-25 23:17:34,547 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:17:35,488 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:17:35,488 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i [2022-11-25 23:17:35,582 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/bin/utaipan-ByfvJB40ur/data/25e313527/82deb10b0b09407190ced2116ca45f04/FLAGeaf618275 [2022-11-25 23:17:35,602 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/bin/utaipan-ByfvJB40ur/data/25e313527/82deb10b0b09407190ced2116ca45f04 [2022-11-25 23:17:35,607 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:17:35,609 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:17:35,614 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:17:35,614 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:17:35,618 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:17:35,620 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:17:35" (1/1) ... [2022-11-25 23:17:35,621 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18518998 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:17:35, skipping insertion in model container [2022-11-25 23:17:35,621 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:17:35" (1/1) ... [2022-11-25 23:17:35,629 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:17:35,924 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:17:37,327 WARN L623 FunctionHandler]: Unknown extern function kstrtoull [2022-11-25 23:17:37,366 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 23:17:37,376 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 23:17:37,403 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-11-25 23:17:37,538 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:17:37,599 WARN L623 FunctionHandler]: Unknown extern function __bitmap_weight [2022-11-25 23:17:37,640 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:17:37,911 WARN L623 FunctionHandler]: Unknown extern function __cmpxchg_wrong_size [2022-11-25 23:17:38,143 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:17:38,153 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:17:38,164 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:17:38,238 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 23:17:38,276 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-11-25 23:17:38,312 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 23:17:38,356 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-11-25 23:17:38,393 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 23:17:38,419 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 23:17:38,429 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-11-25 23:17:38,430 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-11-25 23:17:38,430 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-11-25 23:17:38,431 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-11-25 23:17:38,432 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_on [2022-11-25 23:17:38,503 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-11-25 23:17:38,522 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-11-25 23:17:38,651 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:17:38,651 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-11-25 23:17:38,652 WARN L623 FunctionHandler]: Unknown extern function rcu_lockdep_current_cpu_online [2022-11-25 23:17:38,653 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-25 23:17:38,761 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-11-25 23:17:38,771 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-25 23:17:38,933 WARN L623 FunctionHandler]: Unknown extern function kernfs_notify [2022-11-25 23:17:39,005 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-11-25 23:17:39,263 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:17:39,264 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:17:39,269 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:17:39,270 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:17:39,279 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:17:39,279 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:17:39,282 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:17:39,282 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:17:39,292 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:17:39,293 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:17:39,295 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:17:39,296 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:17:39,315 WARN L623 FunctionHandler]: Unknown extern function md_is_badblock [2022-11-25 23:17:39,379 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:17:39,380 WARN L623 FunctionHandler]: Unknown extern function sysfs_create_link [2022-11-25 23:17:39,388 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-11-25 23:17:39,579 WARN L623 FunctionHandler]: Unknown extern function md_wakeup_thread [2022-11-25 23:17:39,690 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-11-25 23:17:39,701 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_on [2022-11-25 23:17:39,787 WARN L623 FunctionHandler]: Unknown extern function bio_endio [2022-11-25 23:17:39,811 WARN L623 FunctionHandler]: Unknown extern function __cpu_to_node [2022-11-25 23:17:39,812 WARN L623 FunctionHandler]: Unknown extern function md_wakeup_thread [2022-11-25 23:17:39,813 WARN L623 FunctionHandler]: Unknown extern function __cpu_to_node [2022-11-25 23:17:39,814 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 23:17:39,815 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 23:17:39,829 WARN L623 FunctionHandler]: Unknown extern function md_wakeup_thread [2022-11-25 23:17:39,830 WARN L623 FunctionHandler]: Unknown extern function md_wakeup_thread [2022-11-25 23:17:39,851 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:17:39,852 WARN L623 FunctionHandler]: Unknown extern function md_wakeup_thread [2022-11-25 23:17:39,862 WARN L623 FunctionHandler]: Unknown extern function llist_reverse_order [2022-11-25 23:17:39,901 WARN L623 FunctionHandler]: Unknown extern function md_wakeup_thread [2022-11-25 23:17:39,903 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-11-25 23:17:39,905 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-11-25 23:17:39,905 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_on [2022-11-25 23:17:39,918 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:39,929 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:39,951 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:17:39,952 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-11-25 23:17:39,992 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:39,995 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:39,996 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:17:39,998 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:17:39,999 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:17:40,002 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:17:40,003 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:17:40,003 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-11-25 23:17:40,016 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:40,023 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:40,033 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:17:40,033 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-11-25 23:17:40,037 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:17:40,038 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:17:40,040 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-11-25 23:17:40,040 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:17:40,043 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:17:40,043 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-11-25 23:17:40,044 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:17:40,047 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:17:40,050 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-11-25 23:17:40,051 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:17:40,077 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:40,079 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-11-25 23:17:40,079 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:17:40,080 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 23:17:40,086 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-11-25 23:17:40,087 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:17:40,088 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 23:17:40,128 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-25 23:17:40,135 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:17:40,135 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-11-25 23:17:40,137 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:17:40,139 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:17:40,140 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-11-25 23:17:40,142 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:17:40,152 WARN L623 FunctionHandler]: Unknown extern function md_check_recovery [2022-11-25 23:17:40,152 WARN L623 FunctionHandler]: Unknown extern function md_wait_for_blocked_rdev [2022-11-25 23:17:40,157 WARN L623 FunctionHandler]: Unknown extern function bio_reset [2022-11-25 23:17:40,161 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:40,163 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:17:40,165 WARN L623 FunctionHandler]: Unknown extern function generic_make_request [2022-11-25 23:17:40,167 WARN L623 FunctionHandler]: Unknown extern function bio_reset [2022-11-25 23:17:40,169 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:40,171 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:17:40,173 WARN L623 FunctionHandler]: Unknown extern function generic_make_request [2022-11-25 23:17:40,175 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:40,192 WARN L623 FunctionHandler]: Unknown extern function async_memcpy [2022-11-25 23:17:40,192 WARN L623 FunctionHandler]: Unknown extern function async_memcpy [2022-11-25 23:17:40,206 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:40,223 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:40,226 WARN L623 FunctionHandler]: Unknown extern function async_trigger_callback [2022-11-25 23:17:40,246 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:40,268 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:40,270 WARN L623 FunctionHandler]: Unknown extern function async_memcpy [2022-11-25 23:17:40,270 WARN L623 FunctionHandler]: Unknown extern function async_xor [2022-11-25 23:17:40,301 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:40,304 WARN L623 FunctionHandler]: Unknown extern function async_gen_syndrome [2022-11-25 23:17:40,306 WARN L623 FunctionHandler]: Unknown extern function async_xor [2022-11-25 23:17:40,318 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:40,321 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:40,332 WARN L623 FunctionHandler]: Unknown extern function async_gen_syndrome [2022-11-25 23:17:40,334 WARN L623 FunctionHandler]: Unknown extern function async_xor [2022-11-25 23:17:40,334 WARN L623 FunctionHandler]: Unknown extern function async_gen_syndrome [2022-11-25 23:17:40,335 WARN L623 FunctionHandler]: Unknown extern function async_raid6_datap_recov [2022-11-25 23:17:40,336 WARN L623 FunctionHandler]: Unknown extern function async_raid6_2data_recov [2022-11-25 23:17:40,349 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:40,363 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:40,366 WARN L623 FunctionHandler]: Unknown extern function async_xor [2022-11-25 23:17:40,382 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:40,384 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:17:40,397 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:40,411 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:40,416 WARN L623 FunctionHandler]: Unknown extern function async_memcpy [2022-11-25 23:17:40,418 WARN L623 FunctionHandler]: Unknown extern function async_xor [2022-11-25 23:17:40,429 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:40,436 WARN L623 FunctionHandler]: Unknown extern function async_gen_syndrome [2022-11-25 23:17:40,448 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:40,460 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:40,461 WARN L623 FunctionHandler]: Unknown extern function async_xor_val [2022-11-25 23:17:40,462 WARN L623 FunctionHandler]: Unknown extern function async_trigger_callback [2022-11-25 23:17:40,476 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:40,478 WARN L623 FunctionHandler]: Unknown extern function async_syndrome_val [2022-11-25 23:17:40,491 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:17:40,493 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:17:40,499 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:17:40,499 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:17:40,500 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-11-25 23:17:40,506 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:17:40,521 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:17:40,522 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_free [2022-11-25 23:17:40,531 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:17:40,532 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:17:40,532 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:17:40,533 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_create [2022-11-25 23:17:40,554 WARN L623 FunctionHandler]: Unknown extern function md_allow_write [2022-11-25 23:17:40,555 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_create [2022-11-25 23:17:40,557 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:17:40,558 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 23:17:40,558 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_free [2022-11-25 23:17:40,559 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_destroy [2022-11-25 23:17:40,560 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-11-25 23:17:40,560 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:17:40,561 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 23:17:40,562 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_free [2022-11-25 23:17:40,563 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_destroy [2022-11-25 23:17:40,564 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:17:40,565 WARN L623 FunctionHandler]: Unknown extern function get_online_cpus [2022-11-25 23:17:40,565 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:17:40,566 WARN L623 FunctionHandler]: Unknown extern function put_online_cpus [2022-11-25 23:17:40,577 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_free [2022-11-25 23:17:40,587 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_destroy [2022-11-25 23:17:40,593 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:40,599 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-11-25 23:17:40,599 WARN L623 FunctionHandler]: Unknown extern function bdevname [2022-11-25 23:17:40,600 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:40,601 WARN L623 FunctionHandler]: Unknown extern function bdevname [2022-11-25 23:17:40,604 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-11-25 23:17:40,605 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:40,607 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-11-25 23:17:40,608 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:40,609 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-11-25 23:17:40,610 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:40,611 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:40,612 WARN L623 FunctionHandler]: Unknown extern function md_error [2022-11-25 23:17:40,613 WARN L623 FunctionHandler]: Unknown extern function md_error [2022-11-25 23:17:40,613 WARN L623 FunctionHandler]: Unknown extern function rdev_set_badblocks [2022-11-25 23:17:40,614 WARN L623 FunctionHandler]: Unknown extern function md_error [2022-11-25 23:17:40,623 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:40,624 WARN L623 FunctionHandler]: Unknown extern function md_error [2022-11-25 23:17:40,635 WARN L623 FunctionHandler]: Unknown extern function bio_init [2022-11-25 23:17:40,635 WARN L623 FunctionHandler]: Unknown extern function bio_init [2022-11-25 23:17:40,646 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:40,647 WARN L623 FunctionHandler]: Unknown extern function bdevname [2022-11-25 23:17:40,647 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:40,691 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:40,708 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:40,720 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:40,726 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:40,726 WARN L623 FunctionHandler]: Unknown extern function bitmap_startwrite [2022-11-25 23:17:40,747 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:17:40,747 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-11-25 23:17:40,748 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:17:40,749 WARN L623 FunctionHandler]: Unknown extern function rdev_set_badblocks [2022-11-25 23:17:40,749 WARN L623 FunctionHandler]: Unknown extern function md_error [2022-11-25 23:17:40,751 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:17:40,752 WARN L623 FunctionHandler]: Unknown extern function md_write_end [2022-11-25 23:17:40,752 WARN L623 FunctionHandler]: Unknown extern function bitmap_endwrite [2022-11-25 23:17:40,755 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:17:40,757 WARN L623 FunctionHandler]: Unknown extern function md_write_end [2022-11-25 23:17:40,759 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:17:40,761 WARN L623 FunctionHandler]: Unknown extern function bitmap_endwrite [2022-11-25 23:17:40,761 WARN L623 FunctionHandler]: Unknown extern function md_wakeup_thread [2022-11-25 23:17:40,771 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:17:40,772 WARN L623 FunctionHandler]: Unknown extern function rdev_set_badblocks [2022-11-25 23:17:40,773 WARN L623 FunctionHandler]: Unknown extern function rdev_set_badblocks [2022-11-25 23:17:40,774 WARN L623 FunctionHandler]: Unknown extern function md_done_sync [2022-11-25 23:17:40,810 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:40,812 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:40,814 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:40,863 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:40,864 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:17:40,865 WARN L623 FunctionHandler]: Unknown extern function md_write_end [2022-11-25 23:17:40,867 WARN L623 FunctionHandler]: Unknown extern function bitmap_endwrite [2022-11-25 23:17:40,868 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:17:40,869 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:17:40,871 WARN L623 FunctionHandler]: Unknown extern function md_wakeup_thread [2022-11-25 23:17:40,888 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:40,892 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:40,894 WARN L623 FunctionHandler]: Unknown extern function __trace_note_message [2022-11-25 23:17:40,896 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:40,900 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:40,902 WARN L623 FunctionHandler]: Unknown extern function __trace_note_message [2022-11-25 23:17:40,916 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:40,933 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:40,944 WARN L623 FunctionHandler]: Unknown extern function async_memcpy [2022-11-25 23:17:40,946 WARN L623 FunctionHandler]: Unknown extern function async_tx_quiesce [2022-11-25 23:17:40,958 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:40,962 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:17:40,962 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-11-25 23:17:40,963 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:17:40,964 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:17:40,965 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-11-25 23:17:40,965 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:17:40,969 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:17:40,969 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-11-25 23:17:40,970 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:17:40,971 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:17:40,972 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-11-25 23:17:40,972 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:17:40,973 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:17:40,974 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-11-25 23:17:40,974 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:17:40,990 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:40,994 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:41,000 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:41,008 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:17:41,010 WARN L623 FunctionHandler]: Unknown extern function md_done_sync [2022-11-25 23:17:41,011 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:17:41,017 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:17:41,017 WARN L623 FunctionHandler]: Unknown extern function md_done_sync [2022-11-25 23:17:41,019 WARN L623 FunctionHandler]: Unknown extern function md_wait_for_blocked_rdev [2022-11-25 23:17:41,020 WARN L623 FunctionHandler]: Unknown extern function rdev_set_badblocks [2022-11-25 23:17:41,020 WARN L623 FunctionHandler]: Unknown extern function md_error [2022-11-25 23:17:41,021 WARN L623 FunctionHandler]: Unknown extern function rdev_clear_badblocks [2022-11-25 23:17:41,022 WARN L623 FunctionHandler]: Unknown extern function rdev_clear_badblocks [2022-11-25 23:17:41,024 WARN L623 FunctionHandler]: Unknown extern function md_wakeup_thread [2022-11-25 23:17:41,085 WARN L623 FunctionHandler]: Unknown extern function md_wakeup_thread [2022-11-25 23:17:41,104 WARN L623 FunctionHandler]: Unknown extern function bio_put [2022-11-25 23:17:41,105 WARN L623 FunctionHandler]: Unknown extern function bio_endio [2022-11-25 23:17:41,105 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:17:41,107 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:41,116 WARN L623 FunctionHandler]: Unknown extern function blk_recount_segments [2022-11-25 23:17:41,128 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:41,128 WARN L623 FunctionHandler]: Unknown extern function bio_clone_mddev [2022-11-25 23:17:41,129 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:17:41,130 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-11-25 23:17:41,130 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:17:41,131 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:17:41,132 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-11-25 23:17:41,133 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:17:41,134 WARN L623 FunctionHandler]: Unknown extern function bio_put [2022-11-25 23:17:41,135 WARN L623 FunctionHandler]: Unknown extern function bio_put [2022-11-25 23:17:41,136 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-11-25 23:17:41,137 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:17:41,137 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 23:17:41,138 WARN L623 FunctionHandler]: Unknown extern function generic_make_request [2022-11-25 23:17:41,139 WARN L623 FunctionHandler]: Unknown extern function bio_put [2022-11-25 23:17:41,151 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:41,155 WARN L623 FunctionHandler]: Unknown extern function __cpu_to_node [2022-11-25 23:17:41,168 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:17:41,178 WARN L623 FunctionHandler]: Unknown extern function blk_check_plugged [2022-11-25 23:17:41,190 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-25 23:17:41,191 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:17:41,193 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:17:41,193 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 23:17:41,195 WARN L623 FunctionHandler]: Unknown extern function bitmap_startwrite [2022-11-25 23:17:41,196 WARN L623 FunctionHandler]: Unknown extern function md_write_end [2022-11-25 23:17:41,197 WARN L623 FunctionHandler]: Unknown extern function bio_endio [2022-11-25 23:17:41,207 WARN L623 FunctionHandler]: Unknown extern function md_flush_request [2022-11-25 23:17:41,208 WARN L623 FunctionHandler]: Unknown extern function md_write_start [2022-11-25 23:17:41,209 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-25 23:17:41,210 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-25 23:17:41,211 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:17:41,213 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:41,214 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:17:41,215 WARN L623 FunctionHandler]: Unknown extern function flush_signals [2022-11-25 23:17:41,215 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-25 23:17:41,216 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:17:41,216 WARN L623 FunctionHandler]: Unknown extern function md_wakeup_thread [2022-11-25 23:17:41,217 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:17:41,217 WARN L623 FunctionHandler]: Unknown extern function md_wakeup_thread [2022-11-25 23:17:41,218 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:17:41,219 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 23:17:41,220 WARN L623 FunctionHandler]: Unknown extern function md_write_end [2022-11-25 23:17:41,220 WARN L623 FunctionHandler]: Unknown extern function bio_endio [2022-11-25 23:17:41,242 WARN L623 FunctionHandler]: Unknown extern function sysfs_notify [2022-11-25 23:17:41,246 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-25 23:17:41,247 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-11-25 23:17:41,248 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:17:41,248 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 23:17:41,249 WARN L623 FunctionHandler]: Unknown extern function md_wakeup_thread [2022-11-25 23:17:41,250 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-25 23:17:41,251 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-11-25 23:17:41,251 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:17:41,252 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 23:17:41,252 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:17:41,253 WARN L623 FunctionHandler]: Unknown extern function sysfs_notify [2022-11-25 23:17:41,257 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-25 23:17:41,258 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-11-25 23:17:41,259 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:17:41,259 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 23:17:41,260 WARN L623 FunctionHandler]: Unknown extern function md_wakeup_thread [2022-11-25 23:17:41,261 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-25 23:17:41,261 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-11-25 23:17:41,262 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:17:41,263 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 23:17:41,263 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:17:41,264 WARN L623 FunctionHandler]: Unknown extern function sysfs_notify [2022-11-25 23:17:41,277 WARN L623 FunctionHandler]: Unknown extern function bitmap_end_sync [2022-11-25 23:17:41,277 WARN L623 FunctionHandler]: Unknown extern function bitmap_close_sync [2022-11-25 23:17:41,278 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-25 23:17:41,278 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-11-25 23:17:41,279 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:17:41,279 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 23:17:41,280 WARN L623 FunctionHandler]: Unknown extern function bitmap_start_sync [2022-11-25 23:17:41,281 WARN L623 FunctionHandler]: Unknown extern function bitmap_cond_end_sync [2022-11-25 23:17:41,282 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_uninterruptible [2022-11-25 23:17:41,283 WARN L623 FunctionHandler]: Unknown extern function bitmap_start_sync [2022-11-25 23:17:41,294 WARN L623 FunctionHandler]: Unknown extern function bio_endio [2022-11-25 23:17:41,295 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:17:41,306 WARN L623 FunctionHandler]: Unknown extern function ___might_sleep [2022-11-25 23:17:41,306 WARN L623 FunctionHandler]: Unknown extern function _cond_resched [2022-11-25 23:17:41,318 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:41,319 WARN L623 FunctionHandler]: Unknown extern function blk_start_plug [2022-11-25 23:17:41,320 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:41,321 WARN L623 FunctionHandler]: Unknown extern function blk_finish_plug [2022-11-25 23:17:41,322 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:41,333 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:41,334 WARN L623 FunctionHandler]: Unknown extern function md_check_recovery [2022-11-25 23:17:41,334 WARN L623 FunctionHandler]: Unknown extern function blk_start_plug [2022-11-25 23:17:41,335 WARN L623 FunctionHandler]: Unknown extern function bitmap_unplug [2022-11-25 23:17:41,336 WARN L623 FunctionHandler]: Unknown extern function md_check_recovery [2022-11-25 23:17:41,337 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:41,338 WARN L623 FunctionHandler]: Unknown extern function dma_issue_pending_all [2022-11-25 23:17:41,338 WARN L623 FunctionHandler]: Unknown extern function blk_finish_plug [2022-11-25 23:17:41,339 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:41,349 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:17:41,351 WARN L623 FunctionHandler]: Unknown extern function md_allow_write [2022-11-25 23:17:41,363 WARN L623 FunctionHandler]: Unknown extern function mddev_unlock [2022-11-25 23:17:41,374 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:17:41,384 WARN L623 FunctionHandler]: Unknown extern function mddev_unlock [2022-11-25 23:17:41,394 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:17:41,404 WARN L623 FunctionHandler]: Unknown extern function mddev_suspend [2022-11-25 23:17:41,405 WARN L623 FunctionHandler]: Unknown extern function mddev_resume [2022-11-25 23:17:41,405 WARN L623 FunctionHandler]: Unknown extern function mddev_unlock [2022-11-25 23:17:41,416 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:17:41,427 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:17:41,446 WARN L623 FunctionHandler]: Unknown extern function mddev_suspend [2022-11-25 23:17:41,447 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-11-25 23:17:41,448 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:17:41,448 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:17:41,449 WARN L623 FunctionHandler]: Unknown extern function mddev_resume [2022-11-25 23:17:41,449 WARN L623 FunctionHandler]: Unknown extern function mddev_unlock [2022-11-25 23:17:41,452 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:17:41,452 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:17:41,453 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 23:17:41,454 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 23:17:41,464 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:17:41,464 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:17:41,474 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:17:41,494 WARN L623 FunctionHandler]: Unknown extern function unregister_cpu_notifier [2022-11-25 23:17:41,494 WARN L623 FunctionHandler]: Unknown extern function get_online_cpus [2022-11-25 23:17:41,495 WARN L623 FunctionHandler]: Unknown extern function put_online_cpus [2022-11-25 23:17:41,495 WARN L623 FunctionHandler]: Unknown extern function free_percpu [2022-11-25 23:17:41,504 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:17:41,505 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:17:41,505 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:17:41,515 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:41,524 WARN L623 FunctionHandler]: Unknown extern function __alloc_percpu [2022-11-25 23:17:41,525 WARN L623 FunctionHandler]: Unknown extern function register_cpu_notifier [2022-11-25 23:17:41,526 WARN L623 FunctionHandler]: Unknown extern function get_online_cpus [2022-11-25 23:17:41,526 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:41,527 WARN L623 FunctionHandler]: Unknown extern function put_online_cpus [2022-11-25 23:17:41,538 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:41,539 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:41,539 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:41,540 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:41,541 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:41,542 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:41,543 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:17:41,543 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 23:17:41,544 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 23:17:41,546 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:17:41,547 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:17:41,549 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:41,550 WARN L623 FunctionHandler]: Unknown extern function bdevname [2022-11-25 23:17:41,551 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:41,552 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:41,553 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:41,553 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:17:41,554 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:41,574 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:41,576 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:41,577 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:41,578 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:41,579 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:41,580 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:41,581 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:41,583 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:41,585 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:41,586 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:41,586 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:41,587 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:41,587 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:41,589 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:41,589 WARN L623 FunctionHandler]: Unknown extern function md_set_array_sectors [2022-11-25 23:17:41,590 WARN L623 FunctionHandler]: Unknown extern function blk_queue_io_min [2022-11-25 23:17:41,591 WARN L623 FunctionHandler]: Unknown extern function blk_queue_io_opt [2022-11-25 23:17:41,592 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_write_same_sectors [2022-11-25 23:17:41,592 WARN L623 FunctionHandler]: Unknown extern function disk_stack_limits [2022-11-25 23:17:41,592 WARN L623 FunctionHandler]: Unknown extern function disk_stack_limits [2022-11-25 23:17:41,593 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:41,594 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:41,595 WARN L623 FunctionHandler]: Unknown extern function md_unregister_thread [2022-11-25 23:17:41,595 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:41,614 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:17:41,615 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:17:41,616 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:17:41,616 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:17:41,617 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:41,617 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:41,618 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:41,618 WARN L623 FunctionHandler]: Unknown extern function bdevname [2022-11-25 23:17:41,619 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:41,663 WARN L623 FunctionHandler]: Unknown extern function bitmap_resize [2022-11-25 23:17:41,664 WARN L623 FunctionHandler]: Unknown extern function md_set_array_sectors [2022-11-25 23:17:41,664 WARN L623 FunctionHandler]: Unknown extern function revalidate_disk [2022-11-25 23:17:41,674 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:41,694 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:41,695 WARN L623 FunctionHandler]: Unknown extern function mddev_suspend [2022-11-25 23:17:41,695 WARN L623 FunctionHandler]: Unknown extern function mddev_resume [2022-11-25 23:17:41,699 WARN L623 FunctionHandler]: Unknown extern function md_wakeup_thread [2022-11-25 23:17:41,699 WARN L623 FunctionHandler]: Unknown extern function md_new_event [2022-11-25 23:17:41,701 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:17:41,711 WARN L623 FunctionHandler]: Unknown extern function md_set_array_sectors [2022-11-25 23:17:41,712 WARN L623 FunctionHandler]: Unknown extern function revalidate_disk [2022-11-25 23:17:41,722 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:17:41,723 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-11-25 23:17:41,724 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:17:41,724 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 23:17:41,724 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:17:41,725 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:17:41,725 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:17:41,734 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:41,764 WARN L623 FunctionHandler]: Unknown extern function md_wakeup_thread [2022-11-25 23:17:41,872 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-11-25 23:17:41,887 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-11-25 23:17:42,538 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 23:17:42,549 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 23:17:42,549 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 23:17:42,550 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_atomic_dec_and_lock [2022-11-25 23:17:42,550 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 23:17:42,551 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 23:17:42,552 WARN L623 FunctionHandler]: Unknown extern function md_register_thread [2022-11-25 23:17:42,552 WARN L623 FunctionHandler]: Unknown extern function md_register_thread [2022-11-25 23:17:42,553 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 23:17:42,554 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 23:17:42,554 WARN L623 FunctionHandler]: Unknown extern function md_register_thread [2022-11-25 23:17:42,555 WARN L623 FunctionHandler]: Unknown extern function register_md_personality [2022-11-25 23:17:42,555 WARN L623 FunctionHandler]: Unknown extern function register_md_personality [2022-11-25 23:17:42,556 WARN L623 FunctionHandler]: Unknown extern function register_md_personality [2022-11-25 23:17:42,556 WARN L623 FunctionHandler]: Unknown extern function unregister_md_personality [2022-11-25 23:17:42,557 WARN L623 FunctionHandler]: Unknown extern function unregister_md_personality [2022-11-25 23:17:42,557 WARN L623 FunctionHandler]: Unknown extern function unregister_md_personality [2022-11-25 23:17:43,428 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 23:17:43,906 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:17:45,143 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[773190,773203] [2022-11-25 23:17:45,146 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[773335,773348] [2022-11-25 23:17:45,147 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[773481,773494] [2022-11-25 23:17:45,147 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[773646,773659] [2022-11-25 23:17:45,148 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[773804,773817] [2022-11-25 23:17:45,148 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[773962,773975] [2022-11-25 23:17:45,149 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[774120,774133] [2022-11-25 23:17:45,149 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[774280,774293] [2022-11-25 23:17:45,149 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[774439,774452] [2022-11-25 23:17:45,150 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[774578,774591] [2022-11-25 23:17:45,151 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[774720,774733] [2022-11-25 23:17:45,151 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[774869,774882] [2022-11-25 23:17:45,152 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[775008,775021] [2022-11-25 23:17:45,152 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[775163,775176] [2022-11-25 23:17:45,153 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[775323,775336] [2022-11-25 23:17:45,153 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[775474,775487] [2022-11-25 23:17:45,154 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[775625,775638] [2022-11-25 23:17:45,154 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[775777,775790] [2022-11-25 23:17:45,155 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[775926,775939] [2022-11-25 23:17:45,155 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[776074,776087] [2022-11-25 23:17:45,155 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[776231,776244] [2022-11-25 23:17:45,156 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[776380,776393] [2022-11-25 23:17:45,156 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[776536,776549] [2022-11-25 23:17:45,157 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[776689,776702] [2022-11-25 23:17:45,157 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[776835,776848] [2022-11-25 23:17:45,158 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[776978,776991] [2022-11-25 23:17:45,158 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[777130,777143] [2022-11-25 23:17:45,159 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[777276,777289] [2022-11-25 23:17:45,159 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[777421,777434] [2022-11-25 23:17:45,159 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[777575,777588] [2022-11-25 23:17:45,160 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[777726,777739] [2022-11-25 23:17:45,161 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[777881,777894] [2022-11-25 23:17:45,161 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[778033,778046] [2022-11-25 23:17:45,162 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[778188,778201] [2022-11-25 23:17:45,162 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[778352,778365] [2022-11-25 23:17:45,162 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[778508,778521] [2022-11-25 23:17:45,163 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[778672,778685] [2022-11-25 23:17:45,163 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[778814,778827] [2022-11-25 23:17:45,164 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[778972,778985] [2022-11-25 23:17:45,164 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[779139,779152] [2022-11-25 23:17:45,165 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[779298,779311] [2022-11-25 23:17:45,165 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[779457,779470] [2022-11-25 23:17:45,166 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[779606,779619] [2022-11-25 23:17:45,166 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[779753,779766] [2022-11-25 23:17:45,166 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[779892,779905] [2022-11-25 23:17:45,167 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[780055,780068] [2022-11-25 23:17:45,167 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[780221,780234] [2022-11-25 23:17:45,168 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[780385,780398] [2022-11-25 23:17:45,168 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[780550,780563] [2022-11-25 23:17:45,168 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[780715,780728] [2022-11-25 23:17:45,169 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[780881,780894] [2022-11-25 23:17:45,169 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[781046,781059] [2022-11-25 23:17:45,170 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[781213,781226] [2022-11-25 23:17:45,170 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[781373,781386] [2022-11-25 23:17:45,171 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[781535,781548] [2022-11-25 23:17:45,171 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[781694,781707] [2022-11-25 23:17:45,171 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[781840,781853] [2022-11-25 23:17:45,172 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[781983,781996] [2022-11-25 23:17:45,172 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[782127,782140] [2022-11-25 23:17:45,173 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[782270,782283] [2022-11-25 23:17:45,173 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[782414,782427] [2022-11-25 23:17:45,174 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[782555,782568] [2022-11-25 23:17:45,174 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[782693,782706] [2022-11-25 23:17:45,174 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[782851,782864] [2022-11-25 23:17:45,175 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[783010,783023] [2022-11-25 23:17:45,175 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[783166,783179] [2022-11-25 23:17:45,176 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[783315,783328] [2022-11-25 23:17:45,176 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[783467,783480] [2022-11-25 23:17:45,176 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[783618,783631] [2022-11-25 23:17:45,177 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[783767,783780] [2022-11-25 23:17:45,177 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[783919,783932] [2022-11-25 23:17:45,178 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[784067,784080] [2022-11-25 23:17:45,178 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[784220,784233] [2022-11-25 23:17:45,178 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[784371,784384] [2022-11-25 23:17:45,179 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[784521,784534] [2022-11-25 23:17:45,179 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[784668,784681] [2022-11-25 23:17:45,180 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[784819,784832] [2022-11-25 23:17:45,180 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[784970,784983] [2022-11-25 23:17:45,181 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[785118,785131] [2022-11-25 23:17:45,181 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[785284,785297] [2022-11-25 23:17:45,181 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[785453,785466] [2022-11-25 23:17:45,182 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[785620,785633] [2022-11-25 23:17:45,182 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[785788,785801] [2022-11-25 23:17:45,183 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[785938,785951] [2022-11-25 23:17:45,183 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[786085,786098] [2022-11-25 23:17:45,183 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[786246,786259] [2022-11-25 23:17:45,184 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[786416,786429] [2022-11-25 23:17:45,184 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[786578,786591] [2022-11-25 23:17:45,212 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:17:45,234 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:17:45,316 WARN L623 FunctionHandler]: Unknown extern function kstrtoull [2022-11-25 23:17:45,317 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 23:17:45,318 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 23:17:45,318 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-11-25 23:17:45,322 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:17:45,322 WARN L623 FunctionHandler]: Unknown extern function __bitmap_weight [2022-11-25 23:17:45,323 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:17:45,329 WARN L623 FunctionHandler]: Unknown extern function __cmpxchg_wrong_size [2022-11-25 23:17:45,331 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:17:45,332 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:17:45,333 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:17:45,333 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 23:17:45,334 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-11-25 23:17:45,335 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 23:17:45,336 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-11-25 23:17:45,337 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 23:17:45,337 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 23:17:45,338 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-11-25 23:17:45,338 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-11-25 23:17:45,338 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-11-25 23:17:45,339 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-11-25 23:17:45,339 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_on [2022-11-25 23:17:45,341 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-11-25 23:17:45,342 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-11-25 23:17:45,343 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:17:45,344 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-11-25 23:17:45,344 WARN L623 FunctionHandler]: Unknown extern function rcu_lockdep_current_cpu_online [2022-11-25 23:17:45,344 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-25 23:17:45,346 WARN L623 FunctionHandler]: Unknown extern function llist_add_batch [2022-11-25 23:17:45,346 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-25 23:17:45,347 WARN L623 FunctionHandler]: Unknown extern function kernfs_notify [2022-11-25 23:17:45,349 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-11-25 23:17:45,356 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:17:45,357 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:17:45,358 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:17:45,359 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:17:45,360 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:17:45,360 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:17:45,361 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:17:45,362 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:17:45,363 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:17:45,363 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:17:45,364 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:17:45,365 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:17:45,366 WARN L623 FunctionHandler]: Unknown extern function md_is_badblock [2022-11-25 23:17:45,368 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:17:45,369 WARN L623 FunctionHandler]: Unknown extern function sysfs_create_link [2022-11-25 23:17:45,370 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-11-25 23:17:45,371 WARN L623 FunctionHandler]: Unknown extern function md_wakeup_thread [2022-11-25 23:17:45,377 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-11-25 23:17:45,378 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_on [2022-11-25 23:17:45,382 WARN L623 FunctionHandler]: Unknown extern function bio_endio [2022-11-25 23:17:45,388 WARN L623 FunctionHandler]: Unknown extern function __cpu_to_node [2022-11-25 23:17:45,389 WARN L623 FunctionHandler]: Unknown extern function md_wakeup_thread [2022-11-25 23:17:45,392 WARN L623 FunctionHandler]: Unknown extern function __cpu_to_node [2022-11-25 23:17:45,393 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 23:17:45,394 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-25 23:17:45,396 WARN L623 FunctionHandler]: Unknown extern function md_wakeup_thread [2022-11-25 23:17:45,401 WARN L623 FunctionHandler]: Unknown extern function md_wakeup_thread [2022-11-25 23:17:45,406 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:17:45,407 WARN L623 FunctionHandler]: Unknown extern function md_wakeup_thread [2022-11-25 23:17:45,411 WARN L623 FunctionHandler]: Unknown extern function llist_reverse_order [2022-11-25 23:17:45,417 WARN L623 FunctionHandler]: Unknown extern function md_wakeup_thread [2022-11-25 23:17:45,455 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-11-25 23:17:45,456 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-11-25 23:17:45,456 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_on [2022-11-25 23:17:45,457 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:45,458 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:45,460 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:17:45,461 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-11-25 23:17:45,467 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:45,468 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:45,469 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:17:45,470 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:17:45,470 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:17:45,471 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:17:45,471 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:17:45,471 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-11-25 23:17:45,473 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:45,475 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:45,476 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:17:45,477 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-11-25 23:17:45,477 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:17:45,478 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:17:45,478 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-11-25 23:17:45,478 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:17:45,480 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:17:45,480 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-11-25 23:17:45,480 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:17:45,481 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:17:45,481 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-11-25 23:17:45,481 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:17:45,484 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:45,485 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-11-25 23:17:45,485 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:17:45,486 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 23:17:45,487 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-11-25 23:17:45,488 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:17:45,488 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 23:17:45,496 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-25 23:17:45,498 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:17:45,498 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-11-25 23:17:45,498 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:17:45,499 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:17:45,499 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-11-25 23:17:45,499 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:17:45,501 WARN L623 FunctionHandler]: Unknown extern function md_check_recovery [2022-11-25 23:17:45,502 WARN L623 FunctionHandler]: Unknown extern function md_wait_for_blocked_rdev [2022-11-25 23:17:45,503 WARN L623 FunctionHandler]: Unknown extern function bio_reset [2022-11-25 23:17:45,505 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:45,506 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:17:45,508 WARN L623 FunctionHandler]: Unknown extern function generic_make_request [2022-11-25 23:17:45,509 WARN L623 FunctionHandler]: Unknown extern function bio_reset [2022-11-25 23:17:45,510 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:45,511 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:17:45,513 WARN L623 FunctionHandler]: Unknown extern function generic_make_request [2022-11-25 23:17:45,514 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:45,517 WARN L623 FunctionHandler]: Unknown extern function async_memcpy [2022-11-25 23:17:45,518 WARN L623 FunctionHandler]: Unknown extern function async_memcpy [2022-11-25 23:17:45,520 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:45,523 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:45,525 WARN L623 FunctionHandler]: Unknown extern function async_trigger_callback [2022-11-25 23:17:45,527 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:45,529 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:45,530 WARN L623 FunctionHandler]: Unknown extern function async_memcpy [2022-11-25 23:17:45,531 WARN L623 FunctionHandler]: Unknown extern function async_xor [2022-11-25 23:17:45,533 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:45,535 WARN L623 FunctionHandler]: Unknown extern function async_gen_syndrome [2022-11-25 23:17:45,536 WARN L623 FunctionHandler]: Unknown extern function async_xor [2022-11-25 23:17:45,538 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:45,540 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:45,541 WARN L623 FunctionHandler]: Unknown extern function async_gen_syndrome [2022-11-25 23:17:45,542 WARN L623 FunctionHandler]: Unknown extern function async_xor [2022-11-25 23:17:45,543 WARN L623 FunctionHandler]: Unknown extern function async_gen_syndrome [2022-11-25 23:17:45,543 WARN L623 FunctionHandler]: Unknown extern function async_raid6_datap_recov [2022-11-25 23:17:45,544 WARN L623 FunctionHandler]: Unknown extern function async_raid6_2data_recov [2022-11-25 23:17:45,545 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:45,547 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:45,548 WARN L623 FunctionHandler]: Unknown extern function async_xor [2022-11-25 23:17:45,550 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:45,551 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:17:45,554 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:45,558 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:45,560 WARN L623 FunctionHandler]: Unknown extern function async_memcpy [2022-11-25 23:17:45,560 WARN L623 FunctionHandler]: Unknown extern function async_xor [2022-11-25 23:17:45,562 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:45,563 WARN L623 FunctionHandler]: Unknown extern function async_gen_syndrome [2022-11-25 23:17:45,564 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:45,566 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:45,567 WARN L623 FunctionHandler]: Unknown extern function async_xor_val [2022-11-25 23:17:45,568 WARN L623 FunctionHandler]: Unknown extern function async_trigger_callback [2022-11-25 23:17:45,570 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:45,570 WARN L623 FunctionHandler]: Unknown extern function async_syndrome_val [2022-11-25 23:17:45,575 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:17:45,576 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:17:45,576 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:17:45,577 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:17:45,577 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-11-25 23:17:45,579 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:17:45,584 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:17:45,584 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_free [2022-11-25 23:17:45,586 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:17:45,586 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:17:45,586 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:17:45,587 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_create [2022-11-25 23:17:45,589 WARN L623 FunctionHandler]: Unknown extern function md_allow_write [2022-11-25 23:17:45,589 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_create [2022-11-25 23:17:45,593 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:17:45,594 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 23:17:45,594 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_free [2022-11-25 23:17:45,595 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_destroy [2022-11-25 23:17:45,595 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-11-25 23:17:45,596 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:17:45,596 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 23:17:45,597 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_free [2022-11-25 23:17:45,598 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_destroy [2022-11-25 23:17:45,599 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:17:45,599 WARN L623 FunctionHandler]: Unknown extern function get_online_cpus [2022-11-25 23:17:45,599 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:17:45,600 WARN L623 FunctionHandler]: Unknown extern function put_online_cpus [2022-11-25 23:17:45,602 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_free [2022-11-25 23:17:45,603 WARN L623 FunctionHandler]: Unknown extern function kmem_cache_destroy [2022-11-25 23:17:45,610 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:45,612 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-11-25 23:17:45,612 WARN L623 FunctionHandler]: Unknown extern function bdevname [2022-11-25 23:17:45,613 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:45,614 WARN L623 FunctionHandler]: Unknown extern function bdevname [2022-11-25 23:17:45,615 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-11-25 23:17:45,615 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:45,616 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-11-25 23:17:45,617 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:45,618 WARN L623 FunctionHandler]: Unknown extern function ___ratelimit [2022-11-25 23:17:45,619 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:45,619 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:45,620 WARN L623 FunctionHandler]: Unknown extern function md_error [2022-11-25 23:17:45,621 WARN L623 FunctionHandler]: Unknown extern function md_error [2022-11-25 23:17:45,621 WARN L623 FunctionHandler]: Unknown extern function rdev_set_badblocks [2022-11-25 23:17:45,621 WARN L623 FunctionHandler]: Unknown extern function md_error [2022-11-25 23:17:45,628 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:45,628 WARN L623 FunctionHandler]: Unknown extern function md_error [2022-11-25 23:17:45,630 WARN L623 FunctionHandler]: Unknown extern function bio_init [2022-11-25 23:17:45,631 WARN L623 FunctionHandler]: Unknown extern function bio_init [2022-11-25 23:17:45,632 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:45,633 WARN L623 FunctionHandler]: Unknown extern function bdevname [2022-11-25 23:17:45,633 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:45,650 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:45,658 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:45,702 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:45,707 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:45,708 WARN L623 FunctionHandler]: Unknown extern function bitmap_startwrite [2022-11-25 23:17:45,715 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:17:45,715 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-11-25 23:17:45,716 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:17:45,716 WARN L623 FunctionHandler]: Unknown extern function rdev_set_badblocks [2022-11-25 23:17:45,717 WARN L623 FunctionHandler]: Unknown extern function md_error [2022-11-25 23:17:45,718 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:17:45,718 WARN L623 FunctionHandler]: Unknown extern function md_write_end [2022-11-25 23:17:45,719 WARN L623 FunctionHandler]: Unknown extern function bitmap_endwrite [2022-11-25 23:17:45,724 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:17:45,725 WARN L623 FunctionHandler]: Unknown extern function md_write_end [2022-11-25 23:17:45,727 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:17:45,728 WARN L623 FunctionHandler]: Unknown extern function bitmap_endwrite [2022-11-25 23:17:45,733 WARN L623 FunctionHandler]: Unknown extern function md_wakeup_thread [2022-11-25 23:17:45,739 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:17:45,740 WARN L623 FunctionHandler]: Unknown extern function rdev_set_badblocks [2022-11-25 23:17:45,741 WARN L623 FunctionHandler]: Unknown extern function rdev_set_badblocks [2022-11-25 23:17:45,742 WARN L623 FunctionHandler]: Unknown extern function md_done_sync [2022-11-25 23:17:45,751 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:45,753 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:45,755 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:45,759 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:45,760 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:17:45,761 WARN L623 FunctionHandler]: Unknown extern function md_write_end [2022-11-25 23:17:45,762 WARN L623 FunctionHandler]: Unknown extern function bitmap_endwrite [2022-11-25 23:17:45,766 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:17:45,767 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:17:45,769 WARN L623 FunctionHandler]: Unknown extern function md_wakeup_thread [2022-11-25 23:17:45,776 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:45,779 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:45,781 WARN L623 FunctionHandler]: Unknown extern function __trace_note_message [2022-11-25 23:17:45,783 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:45,786 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:45,788 WARN L623 FunctionHandler]: Unknown extern function __trace_note_message [2022-11-25 23:17:45,793 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:45,799 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:45,802 WARN L623 FunctionHandler]: Unknown extern function async_memcpy [2022-11-25 23:17:45,803 WARN L623 FunctionHandler]: Unknown extern function async_tx_quiesce [2022-11-25 23:17:45,811 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:45,814 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:17:45,815 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-11-25 23:17:45,815 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:17:45,816 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:17:45,817 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-11-25 23:17:45,817 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:17:45,820 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:17:45,820 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-11-25 23:17:45,821 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:17:45,822 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:17:45,822 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-11-25 23:17:45,823 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:17:45,824 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:17:45,824 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-11-25 23:17:45,825 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:17:45,837 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:45,840 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:45,844 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:45,850 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:17:45,852 WARN L623 FunctionHandler]: Unknown extern function md_done_sync [2022-11-25 23:17:45,852 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:17:45,856 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:17:45,857 WARN L623 FunctionHandler]: Unknown extern function md_done_sync [2022-11-25 23:17:45,858 WARN L623 FunctionHandler]: Unknown extern function md_wait_for_blocked_rdev [2022-11-25 23:17:45,859 WARN L623 FunctionHandler]: Unknown extern function rdev_set_badblocks [2022-11-25 23:17:45,859 WARN L623 FunctionHandler]: Unknown extern function md_error [2022-11-25 23:17:45,860 WARN L623 FunctionHandler]: Unknown extern function rdev_clear_badblocks [2022-11-25 23:17:45,860 WARN L623 FunctionHandler]: Unknown extern function rdev_clear_badblocks [2022-11-25 23:17:45,861 WARN L623 FunctionHandler]: Unknown extern function md_wakeup_thread [2022-11-25 23:17:45,873 WARN L623 FunctionHandler]: Unknown extern function md_wakeup_thread [2022-11-25 23:17:45,878 WARN L623 FunctionHandler]: Unknown extern function bio_put [2022-11-25 23:17:45,882 WARN L623 FunctionHandler]: Unknown extern function bio_endio [2022-11-25 23:17:45,882 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:17:45,883 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:45,885 WARN L623 FunctionHandler]: Unknown extern function blk_recount_segments [2022-11-25 23:17:45,887 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:45,887 WARN L623 FunctionHandler]: Unknown extern function bio_clone_mddev [2022-11-25 23:17:45,888 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:17:45,888 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-11-25 23:17:45,889 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:17:45,890 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:17:45,890 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-11-25 23:17:45,890 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:17:45,892 WARN L623 FunctionHandler]: Unknown extern function bio_put [2022-11-25 23:17:45,893 WARN L623 FunctionHandler]: Unknown extern function bio_put [2022-11-25 23:17:45,893 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-11-25 23:17:45,893 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:17:45,894 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 23:17:45,895 WARN L623 FunctionHandler]: Unknown extern function generic_make_request [2022-11-25 23:17:45,895 WARN L623 FunctionHandler]: Unknown extern function bio_put [2022-11-25 23:17:45,898 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:45,900 WARN L623 FunctionHandler]: Unknown extern function __cpu_to_node [2022-11-25 23:17:45,904 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:17:45,904 WARN L623 FunctionHandler]: Unknown extern function blk_check_plugged [2022-11-25 23:17:45,907 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-25 23:17:45,908 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:17:45,909 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:17:45,909 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 23:17:45,910 WARN L623 FunctionHandler]: Unknown extern function bitmap_startwrite [2022-11-25 23:17:45,913 WARN L623 FunctionHandler]: Unknown extern function md_write_end [2022-11-25 23:17:45,913 WARN L623 FunctionHandler]: Unknown extern function bio_endio [2022-11-25 23:17:45,915 WARN L623 FunctionHandler]: Unknown extern function md_flush_request [2022-11-25 23:17:45,916 WARN L623 FunctionHandler]: Unknown extern function md_write_start [2022-11-25 23:17:45,917 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-25 23:17:45,917 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-25 23:17:45,918 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:17:45,919 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:45,920 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:17:45,921 WARN L623 FunctionHandler]: Unknown extern function flush_signals [2022-11-25 23:17:45,921 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-25 23:17:45,921 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:17:45,922 WARN L623 FunctionHandler]: Unknown extern function md_wakeup_thread [2022-11-25 23:17:45,933 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:17:45,934 WARN L623 FunctionHandler]: Unknown extern function md_wakeup_thread [2022-11-25 23:17:45,938 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:17:45,939 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 23:17:45,939 WARN L623 FunctionHandler]: Unknown extern function md_write_end [2022-11-25 23:17:45,940 WARN L623 FunctionHandler]: Unknown extern function bio_endio [2022-11-25 23:17:45,944 WARN L623 FunctionHandler]: Unknown extern function sysfs_notify [2022-11-25 23:17:45,947 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-25 23:17:45,948 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-11-25 23:17:45,948 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:17:45,949 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 23:17:45,949 WARN L623 FunctionHandler]: Unknown extern function md_wakeup_thread [2022-11-25 23:17:45,953 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-25 23:17:45,954 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-11-25 23:17:45,954 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:17:45,954 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 23:17:45,955 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:17:45,955 WARN L623 FunctionHandler]: Unknown extern function sysfs_notify [2022-11-25 23:17:45,958 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-25 23:17:45,959 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-11-25 23:17:45,960 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:17:45,960 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 23:17:45,961 WARN L623 FunctionHandler]: Unknown extern function md_wakeup_thread [2022-11-25 23:17:45,964 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-25 23:17:45,965 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-11-25 23:17:45,966 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:17:45,966 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 23:17:45,966 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:17:45,967 WARN L623 FunctionHandler]: Unknown extern function sysfs_notify [2022-11-25 23:17:46,016 WARN L623 FunctionHandler]: Unknown extern function bitmap_end_sync [2022-11-25 23:17:46,019 WARN L623 FunctionHandler]: Unknown extern function bitmap_close_sync [2022-11-25 23:17:46,022 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-25 23:17:46,022 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-11-25 23:17:46,023 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:17:46,023 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 23:17:46,024 WARN L623 FunctionHandler]: Unknown extern function bitmap_start_sync [2022-11-25 23:17:46,027 WARN L623 FunctionHandler]: Unknown extern function bitmap_cond_end_sync [2022-11-25 23:17:46,030 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_uninterruptible [2022-11-25 23:17:46,031 WARN L623 FunctionHandler]: Unknown extern function bitmap_start_sync [2022-11-25 23:17:46,036 WARN L623 FunctionHandler]: Unknown extern function bio_endio [2022-11-25 23:17:46,037 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:17:46,039 WARN L623 FunctionHandler]: Unknown extern function ___might_sleep [2022-11-25 23:17:46,039 WARN L623 FunctionHandler]: Unknown extern function _cond_resched [2022-11-25 23:17:46,044 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:46,045 WARN L623 FunctionHandler]: Unknown extern function blk_start_plug [2022-11-25 23:17:46,046 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:46,047 WARN L623 FunctionHandler]: Unknown extern function blk_finish_plug [2022-11-25 23:17:46,047 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:46,049 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:46,049 WARN L623 FunctionHandler]: Unknown extern function md_check_recovery [2022-11-25 23:17:46,050 WARN L623 FunctionHandler]: Unknown extern function blk_start_plug [2022-11-25 23:17:46,050 WARN L623 FunctionHandler]: Unknown extern function bitmap_unplug [2022-11-25 23:17:46,054 WARN L623 FunctionHandler]: Unknown extern function md_check_recovery [2022-11-25 23:17:46,055 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:46,055 WARN L623 FunctionHandler]: Unknown extern function dma_issue_pending_all [2022-11-25 23:17:46,056 WARN L623 FunctionHandler]: Unknown extern function blk_finish_plug [2022-11-25 23:17:46,056 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:46,057 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:17:46,059 WARN L623 FunctionHandler]: Unknown extern function md_allow_write [2022-11-25 23:17:46,061 WARN L623 FunctionHandler]: Unknown extern function mddev_unlock [2022-11-25 23:17:46,062 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:17:46,063 WARN L623 FunctionHandler]: Unknown extern function mddev_unlock [2022-11-25 23:17:46,065 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:17:46,066 WARN L623 FunctionHandler]: Unknown extern function mddev_suspend [2022-11-25 23:17:46,067 WARN L623 FunctionHandler]: Unknown extern function mddev_resume [2022-11-25 23:17:46,067 WARN L623 FunctionHandler]: Unknown extern function mddev_unlock [2022-11-25 23:17:46,069 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:17:46,070 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:17:46,071 WARN L623 FunctionHandler]: Unknown extern function mddev_suspend [2022-11-25 23:17:46,072 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-11-25 23:17:46,072 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:17:46,073 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:17:46,073 WARN L623 FunctionHandler]: Unknown extern function mddev_resume [2022-11-25 23:17:46,073 WARN L623 FunctionHandler]: Unknown extern function mddev_unlock [2022-11-25 23:17:46,075 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:17:46,076 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:17:46,080 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 23:17:46,080 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 23:17:46,082 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:17:46,082 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:17:46,083 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:17:46,085 WARN L623 FunctionHandler]: Unknown extern function unregister_cpu_notifier [2022-11-25 23:17:46,085 WARN L623 FunctionHandler]: Unknown extern function get_online_cpus [2022-11-25 23:17:46,086 WARN L623 FunctionHandler]: Unknown extern function put_online_cpus [2022-11-25 23:17:46,086 WARN L623 FunctionHandler]: Unknown extern function free_percpu [2022-11-25 23:17:46,087 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:17:46,087 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:17:46,087 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:17:46,088 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:46,089 WARN L623 FunctionHandler]: Unknown extern function __alloc_percpu [2022-11-25 23:17:46,090 WARN L623 FunctionHandler]: Unknown extern function register_cpu_notifier [2022-11-25 23:17:46,090 WARN L623 FunctionHandler]: Unknown extern function get_online_cpus [2022-11-25 23:17:46,090 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:46,091 WARN L623 FunctionHandler]: Unknown extern function put_online_cpus [2022-11-25 23:17:46,092 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:46,093 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:46,094 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:46,094 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:46,095 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:46,096 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:46,096 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:17:46,097 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 23:17:46,097 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 23:17:46,099 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:17:46,099 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:17:46,101 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:17:46,102 WARN L623 FunctionHandler]: Unknown extern function bdevname [2022-11-25 23:17:46,102 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:46,104 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:46,104 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:46,104 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:17:46,105 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:46,108 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:46,109 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:46,110 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:46,111 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:46,112 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:46,113 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:46,113 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:46,119 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:46,120 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:46,121 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:46,121 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:46,122 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:46,122 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:46,127 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:46,127 WARN L623 FunctionHandler]: Unknown extern function md_set_array_sectors [2022-11-25 23:17:46,128 WARN L623 FunctionHandler]: Unknown extern function blk_queue_io_min [2022-11-25 23:17:46,129 WARN L623 FunctionHandler]: Unknown extern function blk_queue_io_opt [2022-11-25 23:17:46,130 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_write_same_sectors [2022-11-25 23:17:46,130 WARN L623 FunctionHandler]: Unknown extern function disk_stack_limits [2022-11-25 23:17:46,130 WARN L623 FunctionHandler]: Unknown extern function disk_stack_limits [2022-11-25 23:17:46,131 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:46,131 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:46,132 WARN L623 FunctionHandler]: Unknown extern function md_unregister_thread [2022-11-25 23:17:46,136 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:46,138 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:17:46,138 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:17:46,139 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:17:46,139 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:17:46,140 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:46,140 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:46,141 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:46,141 WARN L623 FunctionHandler]: Unknown extern function bdevname [2022-11-25 23:17:46,142 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:46,150 WARN L623 FunctionHandler]: Unknown extern function bitmap_resize [2022-11-25 23:17:46,152 WARN L623 FunctionHandler]: Unknown extern function md_set_array_sectors [2022-11-25 23:17:46,153 WARN L623 FunctionHandler]: Unknown extern function revalidate_disk [2022-11-25 23:17:46,154 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:46,157 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:46,159 WARN L623 FunctionHandler]: Unknown extern function mddev_suspend [2022-11-25 23:17:46,159 WARN L623 FunctionHandler]: Unknown extern function mddev_resume [2022-11-25 23:17:46,165 WARN L623 FunctionHandler]: Unknown extern function md_wakeup_thread [2022-11-25 23:17:46,169 WARN L623 FunctionHandler]: Unknown extern function md_new_event [2022-11-25 23:17:46,170 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:17:46,172 WARN L623 FunctionHandler]: Unknown extern function md_set_array_sectors [2022-11-25 23:17:46,172 WARN L623 FunctionHandler]: Unknown extern function revalidate_disk [2022-11-25 23:17:46,174 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:17:46,175 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-11-25 23:17:46,176 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:17:46,176 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 23:17:46,176 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:17:46,176 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:17:46,177 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:17:46,178 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:17:46,181 WARN L623 FunctionHandler]: Unknown extern function md_wakeup_thread [2022-11-25 23:17:46,190 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-11-25 23:17:46,191 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-11-25 23:17:46,221 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 23:17:46,223 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 23:17:46,223 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 23:17:46,224 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_atomic_dec_and_lock [2022-11-25 23:17:46,224 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 23:17:46,225 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 23:17:46,225 WARN L623 FunctionHandler]: Unknown extern function md_register_thread [2022-11-25 23:17:46,226 WARN L623 FunctionHandler]: Unknown extern function md_register_thread [2022-11-25 23:17:46,226 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 23:17:46,227 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 23:17:46,227 WARN L623 FunctionHandler]: Unknown extern function md_register_thread [2022-11-25 23:17:46,228 WARN L623 FunctionHandler]: Unknown extern function register_md_personality [2022-11-25 23:17:46,228 WARN L623 FunctionHandler]: Unknown extern function register_md_personality [2022-11-25 23:17:46,228 WARN L623 FunctionHandler]: Unknown extern function register_md_personality [2022-11-25 23:17:46,229 WARN L623 FunctionHandler]: Unknown extern function unregister_md_personality [2022-11-25 23:17:46,229 WARN L623 FunctionHandler]: Unknown extern function unregister_md_personality [2022-11-25 23:17:46,230 WARN L623 FunctionHandler]: Unknown extern function unregister_md_personality [2022-11-25 23:17:46,247 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 23:17:46,254 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:17:46,280 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[773190,773203] [2022-11-25 23:17:46,339 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[773335,773348] [2022-11-25 23:17:46,339 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[773481,773494] [2022-11-25 23:17:46,339 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[773646,773659] [2022-11-25 23:17:46,340 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[773804,773817] [2022-11-25 23:17:46,340 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[773962,773975] [2022-11-25 23:17:46,340 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[774120,774133] [2022-11-25 23:17:46,340 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[774280,774293] [2022-11-25 23:17:46,341 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[774439,774452] [2022-11-25 23:17:46,341 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[774578,774591] [2022-11-25 23:17:46,341 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[774720,774733] [2022-11-25 23:17:46,341 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[774869,774882] [2022-11-25 23:17:46,342 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[775008,775021] [2022-11-25 23:17:46,342 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[775163,775176] [2022-11-25 23:17:46,342 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[775323,775336] [2022-11-25 23:17:46,343 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[775474,775487] [2022-11-25 23:17:46,343 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[775625,775638] [2022-11-25 23:17:46,343 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[775777,775790] [2022-11-25 23:17:46,343 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[775926,775939] [2022-11-25 23:17:46,344 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[776074,776087] [2022-11-25 23:17:46,344 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[776231,776244] [2022-11-25 23:17:46,344 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[776380,776393] [2022-11-25 23:17:46,345 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[776536,776549] [2022-11-25 23:17:46,345 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[776689,776702] [2022-11-25 23:17:46,345 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[776835,776848] [2022-11-25 23:17:46,345 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[776978,776991] [2022-11-25 23:17:46,346 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[777130,777143] [2022-11-25 23:17:46,346 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[777276,777289] [2022-11-25 23:17:46,347 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[777421,777434] [2022-11-25 23:17:46,347 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[777575,777588] [2022-11-25 23:17:46,348 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[777726,777739] [2022-11-25 23:17:46,348 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[777881,777894] [2022-11-25 23:17:46,348 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[778033,778046] [2022-11-25 23:17:46,349 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[778188,778201] [2022-11-25 23:17:46,349 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[778352,778365] [2022-11-25 23:17:46,349 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[778508,778521] [2022-11-25 23:17:46,350 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[778672,778685] [2022-11-25 23:17:46,350 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[778814,778827] [2022-11-25 23:17:46,350 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[778972,778985] [2022-11-25 23:17:46,351 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[779139,779152] [2022-11-25 23:17:46,351 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[779298,779311] [2022-11-25 23:17:46,351 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[779457,779470] [2022-11-25 23:17:46,352 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[779606,779619] [2022-11-25 23:17:46,352 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[779753,779766] [2022-11-25 23:17:46,352 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[779892,779905] [2022-11-25 23:17:46,353 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[780055,780068] [2022-11-25 23:17:46,353 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[780221,780234] [2022-11-25 23:17:46,354 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[780385,780398] [2022-11-25 23:17:46,354 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[780550,780563] [2022-11-25 23:17:46,354 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[780715,780728] [2022-11-25 23:17:46,355 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[780881,780894] [2022-11-25 23:17:46,355 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[781046,781059] [2022-11-25 23:17:46,355 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[781213,781226] [2022-11-25 23:17:46,356 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[781373,781386] [2022-11-25 23:17:46,356 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[781535,781548] [2022-11-25 23:17:46,356 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[781694,781707] [2022-11-25 23:17:46,357 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[781840,781853] [2022-11-25 23:17:46,357 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[781983,781996] [2022-11-25 23:17:46,357 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[782127,782140] [2022-11-25 23:17:46,358 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[782270,782283] [2022-11-25 23:17:46,358 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[782414,782427] [2022-11-25 23:17:46,359 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[782555,782568] [2022-11-25 23:17:46,359 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[782693,782706] [2022-11-25 23:17:46,359 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[782851,782864] [2022-11-25 23:17:46,360 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[783010,783023] [2022-11-25 23:17:46,360 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[783166,783179] [2022-11-25 23:17:46,360 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[783315,783328] [2022-11-25 23:17:46,361 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[783467,783480] [2022-11-25 23:17:46,361 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[783618,783631] [2022-11-25 23:17:46,361 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[783767,783780] [2022-11-25 23:17:46,362 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[783919,783932] [2022-11-25 23:17:46,362 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[784067,784080] [2022-11-25 23:17:46,363 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[784220,784233] [2022-11-25 23:17:46,363 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[784371,784384] [2022-11-25 23:17:46,363 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[784521,784534] [2022-11-25 23:17:46,364 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[784668,784681] [2022-11-25 23:17:46,364 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[784819,784832] [2022-11-25 23:17:46,364 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[784970,784983] [2022-11-25 23:17:46,365 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[785118,785131] [2022-11-25 23:17:46,365 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[785284,785297] [2022-11-25 23:17:46,366 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[785453,785466] [2022-11-25 23:17:46,366 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[785620,785633] [2022-11-25 23:17:46,366 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[785788,785801] [2022-11-25 23:17:46,367 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[785938,785951] [2022-11-25 23:17:46,367 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[786085,786098] [2022-11-25 23:17:46,367 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[786246,786259] [2022-11-25 23:17:46,368 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[786416,786429] [2022-11-25 23:17:46,368 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_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[786578,786591] [2022-11-25 23:17:46,375 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:17:46,729 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:17:46,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:17:46 WrapperNode [2022-11-25 23:17:46,729 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:17:46,730 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:17:46,731 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:17:46,731 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:17:46,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:17:46" (1/1) ... [2022-11-25 23:17:46,943 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:17:46" (1/1) ... [2022-11-25 23:17:47,424 INFO L138 Inliner]: procedures = 931, calls = 7443, calls flagged for inlining = 417, calls inlined = 280, statements flattened = 11324 [2022-11-25 23:17:47,425 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:17:47,426 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:17:47,426 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:17:47,426 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:17:47,437 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:17:46" (1/1) ... [2022-11-25 23:17:47,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:17:46" (1/1) ... [2022-11-25 23:17:47,516 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:17:46" (1/1) ... [2022-11-25 23:17:47,517 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:17:46" (1/1) ... [2022-11-25 23:17:47,872 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:17:46" (1/1) ... [2022-11-25 23:17:47,907 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:17:46" (1/1) ... [2022-11-25 23:17:47,969 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:17:46" (1/1) ... [2022-11-25 23:17:48,006 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:17:46" (1/1) ... [2022-11-25 23:17:48,083 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:17:48,084 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:17:48,084 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:17:48,084 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:17:48,085 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:17:46" (1/1) ... [2022-11-25 23:17:48,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:17:48,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:17:48,118 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:17:48,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:17:48,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2022-11-25 23:17:48,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2022-11-25 23:17:48,170 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_thread_groups [2022-11-25 23:17:48,170 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_thread_groups [2022-11-25 23:17:48,170 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2022-11-25 23:17:48,170 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2022-11-25 23:17:48,170 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_create [2022-11-25 23:17:48,170 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_create [2022-11-25 23:17:48,170 INFO L130 BoogieDeclarations]: Found specification of procedure sync_request [2022-11-25 23:17:48,170 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_request [2022-11-25 23:17:48,171 INFO L130 BoogieDeclarations]: Found specification of procedure get_active_stripe [2022-11-25 23:17:48,171 INFO L138 BoogieDeclarations]: Found implementation of procedure get_active_stripe [2022-11-25 23:17:48,171 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-11-25 23:17:48,171 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-11-25 23:17:48,171 INFO L130 BoogieDeclarations]: Found specification of procedure raid5_remove_disk [2022-11-25 23:17:48,171 INFO L138 BoogieDeclarations]: Found implementation of procedure raid5_remove_disk [2022-11-25 23:17:48,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-25 23:17:48,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-25 23:17:48,172 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-11-25 23:17:48,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-11-25 23:17:48,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-25 23:17:48,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-25 23:17:48,172 INFO L130 BoogieDeclarations]: Found specification of procedure bdevname [2022-11-25 23:17:48,172 INFO L138 BoogieDeclarations]: Found implementation of procedure bdevname [2022-11-25 23:17:48,172 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-11-25 23:17:48,172 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-11-25 23:17:48,173 INFO L130 BoogieDeclarations]: Found specification of procedure __clear_bit [2022-11-25 23:17:48,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __clear_bit [2022-11-25 23:17:48,173 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-25 23:17:48,173 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-25 23:17:48,173 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_sub [2022-11-25 23:17:48,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_sub [2022-11-25 23:17:48,173 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-11-25 23:17:48,173 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-11-25 23:17:48,174 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-25 23:17:48,174 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-25 23:17:48,174 INFO L130 BoogieDeclarations]: Found specification of procedure read_seqcount_begin [2022-11-25 23:17:48,174 INFO L138 BoogieDeclarations]: Found implementation of procedure read_seqcount_begin [2022-11-25 23:17:48,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_102 [2022-11-25 23:17:48,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_102 [2022-11-25 23:17:48,174 INFO L130 BoogieDeclarations]: Found specification of procedure __cpu_to_node [2022-11-25 23:17:48,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __cpu_to_node [2022-11-25 23:17:48,175 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-25 23:17:48,175 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-25 23:17:48,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-25 23:17:48,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-25 23:17:48,175 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-25 23:17:48,175 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-25 23:17:48,175 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_md_personality [2022-11-25 23:17:48,175 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_md_personality [2022-11-25 23:17:48,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-25 23:17:48,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-25 23:17:48,176 INFO L130 BoogieDeclarations]: Found specification of procedure lock_device_hash_lock [2022-11-25 23:17:48,176 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_device_hash_lock [2022-11-25 23:17:48,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-25 23:17:48,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-25 23:17:48,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 23:17:48,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-25 23:17:48,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-25 23:17:48,177 INFO L130 BoogieDeclarations]: Found specification of procedure stripe_operations_active [2022-11-25 23:17:48,177 INFO L138 BoogieDeclarations]: Found implementation of procedure stripe_operations_active [2022-11-25 23:17:48,177 INFO L130 BoogieDeclarations]: Found specification of procedure free_scratch_buffer [2022-11-25 23:17:48,178 INFO L138 BoogieDeclarations]: Found implementation of procedure free_scratch_buffer [2022-11-25 23:17:48,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_122 [2022-11-25 23:17:48,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_122 [2022-11-25 23:17:48,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-25 23:17:48,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-25 23:17:48,178 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-11-25 23:17:48,178 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-11-25 23:17:48,178 INFO L130 BoogieDeclarations]: Found specification of procedure raid5_congested [2022-11-25 23:17:48,179 INFO L138 BoogieDeclarations]: Found implementation of procedure raid5_congested [2022-11-25 23:17:48,179 INFO L130 BoogieDeclarations]: Found specification of procedure put_online_cpus [2022-11-25 23:17:48,179 INFO L138 BoogieDeclarations]: Found implementation of procedure put_online_cpus [2022-11-25 23:17:48,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_137 [2022-11-25 23:17:48,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_137 [2022-11-25 23:17:48,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-25 23:17:48,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-25 23:17:48,179 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-11-25 23:17:48,180 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-11-25 23:17:48,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 23:17:48,180 INFO L130 BoogieDeclarations]: Found specification of procedure revalidate_disk [2022-11-25 23:17:48,180 INFO L138 BoogieDeclarations]: Found implementation of procedure revalidate_disk [2022-11-25 23:17:48,180 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-25 23:17:48,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-25 23:17:48,180 INFO L130 BoogieDeclarations]: Found specification of procedure stripe_set_idx [2022-11-25 23:17:48,180 INFO L138 BoogieDeclarations]: Found implementation of procedure stripe_set_idx [2022-11-25 23:17:48,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:17:48,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-25 23:17:48,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-25 23:17:48,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 23:17:48,181 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-25 23:17:48,181 INFO L130 BoogieDeclarations]: Found specification of procedure compute_blocknr [2022-11-25 23:17:48,181 INFO L138 BoogieDeclarations]: Found implementation of procedure compute_blocknr [2022-11-25 23:17:48,181 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-25 23:17:48,182 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-25 23:17:48,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_device_lock_of_r5conf [2022-11-25 23:17:48,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_device_lock_of_r5conf [2022-11-25 23:17:48,182 INFO L130 BoogieDeclarations]: Found specification of procedure raid5_wakeup_stripe_thread [2022-11-25 23:17:48,182 INFO L138 BoogieDeclarations]: Found implementation of procedure raid5_wakeup_stripe_thread [2022-11-25 23:17:48,182 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2022-11-25 23:17:48,182 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2022-11-25 23:17:48,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_md_register_thread [2022-11-25 23:17:48,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_md_register_thread [2022-11-25 23:17:48,183 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_zalloc [2022-11-25 23:17:48,183 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_zalloc [2022-11-25 23:17:48,183 INFO L130 BoogieDeclarations]: Found specification of procedure read_seqcount_retry [2022-11-25 23:17:48,183 INFO L138 BoogieDeclarations]: Found implementation of procedure read_seqcount_retry [2022-11-25 23:17:48,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_176 [2022-11-25 23:17:48,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_176 [2022-11-25 23:17:48,183 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-25 23:17:48,184 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-25 23:17:48,184 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-25 23:17:48,184 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-25 23:17:48,184 INFO L130 BoogieDeclarations]: Found specification of procedure release_stripe [2022-11-25 23:17:48,184 INFO L138 BoogieDeclarations]: Found implementation of procedure release_stripe [2022-11-25 23:17:48,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2022-11-25 23:17:48,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2022-11-25 23:17:48,185 INFO L130 BoogieDeclarations]: Found specification of procedure disk_devt [2022-11-25 23:17:48,185 INFO L138 BoogieDeclarations]: Found implementation of procedure disk_devt [2022-11-25 23:17:48,185 INFO L130 BoogieDeclarations]: Found specification of procedure make_request [2022-11-25 23:17:48,186 INFO L138 BoogieDeclarations]: Found implementation of procedure make_request [2022-11-25 23:17:48,186 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-25 23:17:48,186 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-25 23:17:48,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_103 [2022-11-25 23:17:48,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_103 [2022-11-25 23:17:48,186 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-25 23:17:48,186 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-25 23:17:48,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:17:48,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:17:48,187 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_get_queue [2022-11-25 23:17:48,187 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_get_queue [2022-11-25 23:17:48,187 INFO L130 BoogieDeclarations]: Found specification of procedure raid5_start_reshape [2022-11-25 23:17:48,187 INFO L138 BoogieDeclarations]: Found implementation of procedure raid5_start_reshape [2022-11-25 23:17:48,187 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-25 23:17:48,187 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-25 23:17:48,187 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_notify_dirent_safe [2022-11-25 23:17:48,188 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_notify_dirent_safe [2022-11-25 23:17:48,188 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-25 23:17:48,188 INFO L130 BoogieDeclarations]: Found specification of procedure mddev_lock [2022-11-25 23:17:48,188 INFO L138 BoogieDeclarations]: Found implementation of procedure mddev_lock [2022-11-25 23:17:48,188 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-11-25 23:17:48,188 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-11-25 23:17:48,188 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2022-11-25 23:17:48,188 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2022-11-25 23:17:48,189 INFO L130 BoogieDeclarations]: Found specification of procedure write_seqcount_end [2022-11-25 23:17:48,189 INFO L138 BoogieDeclarations]: Found implementation of procedure write_seqcount_end [2022-11-25 23:17:48,190 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2022-11-25 23:17:48,190 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2022-11-25 23:17:48,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 23:17:48,190 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 23:17:48,190 INFO L130 BoogieDeclarations]: Found specification of procedure raid5_resize [2022-11-25 23:17:48,190 INFO L138 BoogieDeclarations]: Found implementation of procedure raid5_resize [2022-11-25 23:17:48,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_128 [2022-11-25 23:17:48,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_128 [2022-11-25 23:17:48,191 INFO L130 BoogieDeclarations]: Found specification of procedure trace_block_bio_remap [2022-11-25 23:17:48,191 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_block_bio_remap [2022-11-25 23:17:48,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-25 23:17:48,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-25 23:17:48,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_for_read_section [2022-11-25 23:17:48,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_for_read_section [2022-11-25 23:17:48,191 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-25 23:17:48,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-25 23:17:48,192 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held [2022-11-25 23:17:48,192 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held [2022-11-25 23:17:48,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-25 23:17:48,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-25 23:17:48,192 INFO L130 BoogieDeclarations]: Found specification of procedure run [2022-11-25 23:17:48,192 INFO L138 BoogieDeclarations]: Found implementation of procedure run [2022-11-25 23:17:48,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 23:17:48,192 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-25 23:17:48,192 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-25 23:17:48,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-25 23:17:48,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-25 23:17:48,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 23:17:48,193 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-11-25 23:17:48,193 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-11-25 23:17:48,193 INFO L130 BoogieDeclarations]: Found specification of procedure drop_one_stripe [2022-11-25 23:17:48,193 INFO L138 BoogieDeclarations]: Found implementation of procedure drop_one_stripe [2022-11-25 23:17:48,193 INFO L130 BoogieDeclarations]: Found specification of procedure bio_put [2022-11-25 23:17:48,194 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_put [2022-11-25 23:17:48,194 INFO L130 BoogieDeclarations]: Found specification of procedure raid5_add_disk [2022-11-25 23:17:48,194 INFO L138 BoogieDeclarations]: Found implementation of procedure raid5_add_disk [2022-11-25 23:17:48,194 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-25 23:17:48,194 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-25 23:17:48,194 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-11-25 23:17:48,194 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-11-25 23:17:48,194 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-25 23:17:48,195 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-25 23:17:48,195 INFO L130 BoogieDeclarations]: Found specification of procedure shrink_buffers [2022-11-25 23:17:48,195 INFO L138 BoogieDeclarations]: Found implementation of procedure shrink_buffers [2022-11-25 23:17:48,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-25 23:17:48,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-25 23:17:48,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_stripe_lock_of_stripe_head [2022-11-25 23:17:48,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_stripe_lock_of_stripe_head [2022-11-25 23:17:48,316 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-25 23:17:48,316 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-25 23:17:48,316 INFO L130 BoogieDeclarations]: Found specification of procedure mdname [2022-11-25 23:17:48,316 INFO L138 BoogieDeclarations]: Found implementation of procedure mdname [2022-11-25 23:17:48,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-25 23:17:48,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-25 23:17:48,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-25 23:17:48,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-25 23:17:48,316 INFO L130 BoogieDeclarations]: Found specification of procedure mddev_suspend [2022-11-25 23:17:48,316 INFO L138 BoogieDeclarations]: Found implementation of procedure mddev_suspend [2022-11-25 23:17:48,316 INFO L130 BoogieDeclarations]: Found specification of procedure free_conf [2022-11-25 23:17:48,317 INFO L138 BoogieDeclarations]: Found implementation of procedure free_conf [2022-11-25 23:17:48,317 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-25 23:17:48,317 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-25 23:17:48,317 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_cmpxchg [2022-11-25 23:17:48,317 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_cmpxchg [2022-11-25 23:17:48,317 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2022-11-25 23:17:48,317 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2022-11-25 23:17:48,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 23:17:48,317 INFO L130 BoogieDeclarations]: Found specification of procedure grow_one_stripe [2022-11-25 23:17:48,317 INFO L138 BoogieDeclarations]: Found implementation of procedure grow_one_stripe [2022-11-25 23:17:48,317 INFO L130 BoogieDeclarations]: Found specification of procedure rdev_dec_pending [2022-11-25 23:17:48,317 INFO L138 BoogieDeclarations]: Found implementation of procedure rdev_dec_pending [2022-11-25 23:17:48,317 INFO L130 BoogieDeclarations]: Found specification of procedure mddev_resume [2022-11-25 23:17:48,317 INFO L138 BoogieDeclarations]: Found implementation of procedure mddev_resume [2022-11-25 23:17:48,317 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-25 23:17:48,317 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-25 23:17:48,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-25 23:17:48,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-25 23:17:48,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_stripe_lock_of_stripe_head [2022-11-25 23:17:48,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_stripe_lock_of_stripe_head [2022-11-25 23:17:48,318 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_destroy [2022-11-25 23:17:48,318 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_destroy [2022-11-25 23:17:48,318 INFO L130 BoogieDeclarations]: Found specification of procedure get_online_cpus [2022-11-25 23:17:48,318 INFO L138 BoogieDeclarations]: Found implementation of procedure get_online_cpus [2022-11-25 23:17:48,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_101 [2022-11-25 23:17:48,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_101 [2022-11-25 23:17:48,318 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2022-11-25 23:17:48,318 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2022-11-25 23:17:48,318 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_add [2022-11-25 23:17:48,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_add [2022-11-25 23:17:48,318 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_unless [2022-11-25 23:17:48,318 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_unless [2022-11-25 23:17:48,319 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_scratch_buffer [2022-11-25 23:17:48,319 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_scratch_buffer [2022-11-25 23:17:48,319 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-25 23:17:48,319 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-25 23:17:48,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_md_personality [2022-11-25 23:17:48,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_md_personality [2022-11-25 23:17:48,319 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_check [2022-11-25 23:17:48,319 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_check [2022-11-25 23:17:48,319 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-25 23:17:48,319 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-25 23:17:48,319 INFO L130 BoogieDeclarations]: Found specification of procedure static_key_false [2022-11-25 23:17:48,319 INFO L138 BoogieDeclarations]: Found implementation of procedure static_key_false [2022-11-25 23:17:48,319 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_startwrite [2022-11-25 23:17:48,319 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_startwrite [2022-11-25 23:17:48,319 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2022-11-25 23:17:48,319 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2022-11-25 23:17:48,320 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-11-25 23:17:48,320 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-11-25 23:17:48,320 INFO L130 BoogieDeclarations]: Found specification of procedure raid45_takeover_raid0 [2022-11-25 23:17:48,380 INFO L138 BoogieDeclarations]: Found implementation of procedure raid45_takeover_raid0 [2022-11-25 23:17:48,380 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-25 23:17:48,380 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-25 23:17:48,380 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_notify [2022-11-25 23:17:48,380 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_notify [2022-11-25 23:17:48,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-25 23:17:48,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-25 23:17:48,380 INFO L130 BoogieDeclarations]: Found specification of procedure raid5_finish_reshape [2022-11-25 23:17:48,380 INFO L138 BoogieDeclarations]: Found implementation of procedure raid5_finish_reshape [2022-11-25 23:17:48,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-25 23:17:48,380 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-25 23:17:48,380 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-25 23:17:48,381 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-25 23:17:48,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 23:17:48,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 23:17:48,381 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_start_sync [2022-11-25 23:17:48,381 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_start_sync [2022-11-25 23:17:48,381 INFO L130 BoogieDeclarations]: Found specification of procedure raid5_check_reshape [2022-11-25 23:17:48,381 INFO L138 BoogieDeclarations]: Found implementation of procedure raid5_check_reshape [2022-11-25 23:17:48,381 INFO L130 BoogieDeclarations]: Found specification of procedure lock_release [2022-11-25 23:17:48,381 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_release [2022-11-25 23:17:48,381 INFO L130 BoogieDeclarations]: Found specification of procedure setup_conf [2022-11-25 23:17:48,381 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_conf [2022-11-25 23:17:48,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-25 23:17:48,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-25 23:17:48,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-25 23:17:48,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-25 23:17:48,382 INFO L130 BoogieDeclarations]: Found specification of procedure scribble_len [2022-11-25 23:17:48,382 INFO L138 BoogieDeclarations]: Found implementation of procedure scribble_len [2022-11-25 23:17:48,382 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-25 23:17:48,382 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-25 23:17:48,382 INFO L130 BoogieDeclarations]: Found specification of procedure add_stripe_bio [2022-11-25 23:17:48,382 INFO L138 BoogieDeclarations]: Found implementation of procedure add_stripe_bio [2022-11-25 23:17:48,382 INFO L130 BoogieDeclarations]: Found specification of procedure bio_init [2022-11-25 23:17:48,382 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_init [2022-11-25 23:17:48,382 INFO L130 BoogieDeclarations]: Found specification of procedure generic_make_request [2022-11-25 23:17:48,382 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_make_request [2022-11-25 23:17:48,382 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2022-11-25 23:17:48,382 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2022-11-25 23:17:48,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-25 23:17:48,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-25 23:17:48,382 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-11-25 23:17:48,383 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-11-25 23:17:48,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_175 [2022-11-25 23:17:48,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_175 [2022-11-25 23:17:48,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-25 23:17:48,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-25 23:17:48,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-25 23:17:48,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-25 23:17:48,383 INFO L130 BoogieDeclarations]: Found specification of procedure md_write_end [2022-11-25 23:17:48,383 INFO L138 BoogieDeclarations]: Found implementation of procedure md_write_end [2022-11-25 23:17:48,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:17:48,383 INFO L130 BoogieDeclarations]: Found specification of procedure is_badblock [2022-11-25 23:17:48,383 INFO L138 BoogieDeclarations]: Found implementation of procedure is_badblock [2022-11-25 23:17:48,383 INFO L130 BoogieDeclarations]: Found specification of procedure md_set_array_sectors [2022-11-25 23:17:48,383 INFO L138 BoogieDeclarations]: Found implementation of procedure md_set_array_sectors [2022-11-25 23:17:48,384 INFO L130 BoogieDeclarations]: Found specification of procedure raid5_dec_bi_active_stripes [2022-11-25 23:17:48,384 INFO L138 BoogieDeclarations]: Found implementation of procedure raid5_dec_bi_active_stripes [2022-11-25 23:17:48,384 INFO L130 BoogieDeclarations]: Found specification of procedure register_md_personality [2022-11-25 23:17:48,384 INFO L138 BoogieDeclarations]: Found implementation of procedure register_md_personality [2022-11-25 23:17:48,384 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-25 23:17:48,384 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-25 23:17:48,384 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-25 23:17:48,384 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-25 23:17:48,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-25 23:17:48,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-25 23:17:48,384 INFO L130 BoogieDeclarations]: Found specification of procedure get_start_sect [2022-11-25 23:17:48,384 INFO L138 BoogieDeclarations]: Found implementation of procedure get_start_sect [2022-11-25 23:17:48,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-25 23:17:48,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-25 23:17:48,384 INFO L130 BoogieDeclarations]: Found specification of procedure print_raid5_conf [2022-11-25 23:17:48,384 INFO L138 BoogieDeclarations]: Found implementation of procedure print_raid5_conf [2022-11-25 23:17:48,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-25 23:17:48,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-25 23:17:48,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-25 23:17:48,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-25 23:17:48,385 INFO L130 BoogieDeclarations]: Found specification of procedure status [2022-11-25 23:17:48,385 INFO L138 BoogieDeclarations]: Found implementation of procedure status [2022-11-25 23:17:48,385 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-25 23:17:48,385 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-25 23:17:48,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-25 23:17:48,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-25 23:17:48,385 INFO L130 BoogieDeclarations]: Found specification of procedure md_wakeup_thread [2022-11-25 23:17:48,385 INFO L138 BoogieDeclarations]: Found implementation of procedure md_wakeup_thread [2022-11-25 23:17:48,385 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2022-11-25 23:17:48,385 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2022-11-25 23:17:48,386 INFO L130 BoogieDeclarations]: Found specification of procedure raid5_inc_bi_active_stripes [2022-11-25 23:17:48,386 INFO L138 BoogieDeclarations]: Found implementation of procedure raid5_inc_bi_active_stripes [2022-11-25 23:17:48,386 INFO L130 BoogieDeclarations]: Found specification of procedure disk_stack_limits [2022-11-25 23:17:48,386 INFO L138 BoogieDeclarations]: Found implementation of procedure disk_stack_limits [2022-11-25 23:17:48,386 INFO L130 BoogieDeclarations]: Found specification of procedure remove_hash [2022-11-25 23:17:48,386 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_hash [2022-11-25 23:17:48,386 INFO L130 BoogieDeclarations]: Found specification of procedure stripe_hash [2022-11-25 23:17:48,386 INFO L138 BoogieDeclarations]: Found implementation of procedure stripe_hash [2022-11-25 23:17:48,386 INFO L130 BoogieDeclarations]: Found specification of procedure release_inactive_stripe_list [2022-11-25 23:17:48,386 INFO L138 BoogieDeclarations]: Found implementation of procedure release_inactive_stripe_list [2022-11-25 23:17:48,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-25 23:17:48,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-25 23:17:48,386 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-25 23:17:48,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-25 23:17:48,386 INFO L130 BoogieDeclarations]: Found specification of procedure write_seqcount_begin [2022-11-25 23:17:48,387 INFO L138 BoogieDeclarations]: Found implementation of procedure write_seqcount_begin [2022-11-25 23:17:48,387 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-11-25 23:17:48,387 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-11-25 23:17:48,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_device_lock_of_r5conf [2022-11-25 23:17:48,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_device_lock_of_r5conf [2022-11-25 23:17:48,387 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2022-11-25 23:17:48,387 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2022-11-25 23:17:48,387 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2022-11-25 23:17:48,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_md_personality [2022-11-25 23:17:48,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_md_personality [2022-11-25 23:17:48,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-25 23:17:48,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-25 23:17:48,387 INFO L130 BoogieDeclarations]: Found specification of procedure raid5_size [2022-11-25 23:17:48,387 INFO L138 BoogieDeclarations]: Found implementation of procedure raid5_size [2022-11-25 23:17:48,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-25 23:17:48,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-25 23:17:48,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-11-25 23:17:48,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-11-25 23:17:48,388 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_return [2022-11-25 23:17:48,388 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_return [2022-11-25 23:17:48,388 INFO L130 BoogieDeclarations]: Found specification of procedure raid5_spare_active [2022-11-25 23:17:48,388 INFO L138 BoogieDeclarations]: Found implementation of procedure raid5_spare_active [2022-11-25 23:17:48,388 INFO L130 BoogieDeclarations]: Found specification of procedure md_allow_write [2022-11-25 23:17:48,388 INFO L138 BoogieDeclarations]: Found implementation of procedure md_allow_write [2022-11-25 23:17:48,388 INFO L130 BoogieDeclarations]: Found specification of procedure lock_all_device_hash_locks_irq [2022-11-25 23:17:48,388 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_all_device_hash_locks_irq [2022-11-25 23:17:48,389 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-25 23:17:48,389 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-25 23:17:48,389 INFO L130 BoogieDeclarations]: Found specification of procedure unlock_device_hash_lock [2022-11-25 23:17:48,389 INFO L138 BoogieDeclarations]: Found implementation of procedure unlock_device_hash_lock [2022-11-25 23:17:48,389 INFO L130 BoogieDeclarations]: Found specification of procedure md_register_thread [2022-11-25 23:17:48,389 INFO L138 BoogieDeclarations]: Found implementation of procedure md_register_thread [2022-11-25 23:17:48,389 INFO L130 BoogieDeclarations]: Found specification of procedure check_stripe_cache [2022-11-25 23:17:48,389 INFO L138 BoogieDeclarations]: Found implementation of procedure check_stripe_cache [2022-11-25 23:17:48,390 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-11-25 23:17:48,390 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-11-25 23:17:48,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_NOT_ARG_SIGN [2022-11-25 23:17:48,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_NOT_ARG_SIGN [2022-11-25 23:17:48,390 INFO L130 BoogieDeclarations]: Found specification of procedure raid5_quiesce [2022-11-25 23:17:48,390 INFO L138 BoogieDeclarations]: Found implementation of procedure raid5_quiesce [2022-11-25 23:17:48,390 INFO L130 BoogieDeclarations]: Found specification of procedure raid5_store_stripe_cache_size [2022-11-25 23:17:48,390 INFO L138 BoogieDeclarations]: Found implementation of procedure raid5_store_stripe_cache_size [2022-11-25 23:17:48,390 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock_sched_notrace [2022-11-25 23:17:48,391 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock_sched_notrace [2022-11-25 23:17:48,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 23:17:48,391 INFO L130 BoogieDeclarations]: Found specification of procedure raid5_compute_sector [2022-11-25 23:17:48,391 INFO L138 BoogieDeclarations]: Found implementation of procedure raid5_compute_sector [2022-11-25 23:17:48,391 INFO L130 BoogieDeclarations]: Found specification of procedure trace_block_bio_complete [2022-11-25 23:17:48,391 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_block_bio_complete [2022-11-25 23:17:48,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-25 23:17:48,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-25 23:17:48,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-25 23:17:48,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-25 23:17:48,392 INFO L130 BoogieDeclarations]: Found specification of procedure do_release_stripe [2022-11-25 23:17:48,392 INFO L138 BoogieDeclarations]: Found implementation of procedure do_release_stripe [2022-11-25 23:17:48,392 INFO L130 BoogieDeclarations]: Found specification of procedure raid5_mergeable_bvec [2022-11-25 23:17:48,392 INFO L138 BoogieDeclarations]: Found implementation of procedure raid5_mergeable_bvec [2022-11-25 23:17:48,392 INFO L130 BoogieDeclarations]: Found specification of procedure check_reshape [2022-11-25 23:17:48,392 INFO L138 BoogieDeclarations]: Found implementation of procedure check_reshape [2022-11-25 23:17:48,393 INFO L130 BoogieDeclarations]: Found specification of procedure get_free_stripe [2022-11-25 23:17:48,393 INFO L138 BoogieDeclarations]: Found implementation of procedure get_free_stripe [2022-11-25 23:17:48,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-25 23:17:48,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-25 23:17:48,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_100 [2022-11-25 23:17:48,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_100 [2022-11-25 23:17:48,393 INFO L130 BoogieDeclarations]: Found specification of procedure r5_next_bio [2022-11-25 23:17:48,393 INFO L138 BoogieDeclarations]: Found implementation of procedure r5_next_bio [2022-11-25 23:17:48,394 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 23:17:48,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-25 23:17:48,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-25 23:17:48,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-25 23:17:48,394 INFO L130 BoogieDeclarations]: Found specification of procedure only_parity [2022-11-25 23:17:48,394 INFO L138 BoogieDeclarations]: Found implementation of procedure only_parity [2022-11-25 23:17:48,394 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-25 23:17:48,394 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-25 23:17:48,394 INFO L130 BoogieDeclarations]: Found specification of procedure mddev_unlock [2022-11-25 23:17:48,395 INFO L138 BoogieDeclarations]: Found implementation of procedure mddev_unlock [2022-11-25 23:17:48,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-25 23:17:48,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-25 23:17:48,395 INFO L130 BoogieDeclarations]: Found specification of procedure is_power_of_2 [2022-11-25 23:17:48,395 INFO L138 BoogieDeclarations]: Found implementation of procedure is_power_of_2 [2022-11-25 23:17:48,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_NOT_ARG_SIGN [2022-11-25 23:17:48,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_NOT_ARG_SIGN [2022-11-25 23:17:48,395 INFO L130 BoogieDeclarations]: Found specification of procedure release_stripe_plug [2022-11-25 23:17:48,396 INFO L138 BoogieDeclarations]: Found implementation of procedure release_stripe_plug [2022-11-25 23:17:48,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-25 23:17:48,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-25 23:17:48,396 INFO L130 BoogieDeclarations]: Found specification of procedure has_failed [2022-11-25 23:17:48,396 INFO L138 BoogieDeclarations]: Found implementation of procedure has_failed [2022-11-25 23:17:48,396 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-25 23:17:48,396 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-25 23:17:48,396 INFO L130 BoogieDeclarations]: Found specification of procedure unlock_all_device_hash_locks_irq [2022-11-25 23:17:48,397 INFO L138 BoogieDeclarations]: Found implementation of procedure unlock_all_device_hash_locks_irq [2022-11-25 23:17:48,397 INFO L130 BoogieDeclarations]: Found specification of procedure lock_acquire [2022-11-25 23:17:48,397 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_acquire [2022-11-25 23:17:48,397 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-25 23:17:48,397 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-25 23:17:48,397 INFO L130 BoogieDeclarations]: Found specification of procedure raid5_free [2022-11-25 23:17:48,397 INFO L138 BoogieDeclarations]: Found implementation of procedure raid5_free [2022-11-25 23:17:48,397 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-25 23:17:48,398 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-25 23:17:48,398 INFO L130 BoogieDeclarations]: Found specification of procedure calc_degraded [2022-11-25 23:17:48,398 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_degraded [2022-11-25 23:17:48,398 INFO L130 BoogieDeclarations]: Found specification of procedure algorithm_valid_raid6 [2022-11-25 23:17:48,398 INFO L138 BoogieDeclarations]: Found implementation of procedure algorithm_valid_raid6 [2022-11-25 23:17:48,398 INFO L130 BoogieDeclarations]: Found specification of procedure algorithm_valid_raid5 [2022-11-25 23:17:48,398 INFO L138 BoogieDeclarations]: Found implementation of procedure algorithm_valid_raid5 [2022-11-25 23:17:48,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-25 23:17:48,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-25 23:17:48,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_136 [2022-11-25 23:17:48,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_136 [2022-11-25 23:17:48,399 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2022-11-25 23:17:48,399 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2022-11-25 23:17:48,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-25 23:17:48,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-25 23:17:48,399 INFO L130 BoogieDeclarations]: Found specification of procedure error [2022-11-25 23:17:48,399 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2022-11-25 23:17:48,400 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_free [2022-11-25 23:17:48,400 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_free [2022-11-25 23:17:48,400 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-25 23:17:48,400 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-25 23:17:48,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_121 [2022-11-25 23:17:48,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_121 [2022-11-25 23:17:48,400 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-11-25 23:17:48,400 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-11-25 23:17:48,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:17:49,785 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:17:49,804 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:17:50,261 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-25 23:17:59,647 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:18:03,285 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:18:03,286 INFO L300 CfgBuilder]: Removed 10 assume(true) statements. [2022-11-25 23:18:03,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:18:03 BoogieIcfgContainer [2022-11-25 23:18:03,293 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:18:03,295 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:18:03,295 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:18:03,298 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:18:03,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:17:35" (1/3) ... [2022-11-25 23:18:03,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22a08512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:18:03, skipping insertion in model container [2022-11-25 23:18:03,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:17:46" (2/3) ... [2022-11-25 23:18:03,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22a08512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:18:03, skipping insertion in model container [2022-11-25 23:18:03,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:18:03" (3/3) ... [2022-11-25 23:18:03,306 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--md--raid456.ko.cil.i [2022-11-25 23:18:03,328 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:18:03,329 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 33 error locations. [2022-11-25 23:18:03,466 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:18:03,476 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;@15977856, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:18:03,477 INFO L358 AbstractCegarLoop]: Starting to check reachability of 33 error locations. [2022-11-25 23:18:03,493 INFO L276 IsEmpty]: Start isEmpty. Operand has 3334 states, 1918 states have (on average 1.3415015641293013) internal successors, (2573), 2076 states have internal predecessors, (2573), 1149 states have call successors, (1149), 234 states have call predecessors, (1149), 233 states have return successors, (1141), 1120 states have call predecessors, (1141), 1141 states have call successors, (1141) [2022-11-25 23:18:03,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-25 23:18:03,506 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:18:03,507 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:18:03,507 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-25 23:18:03,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:18:03,514 INFO L85 PathProgramCache]: Analyzing trace with hash 565467668, now seen corresponding path program 1 times [2022-11-25 23:18:03,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:18:03,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119519998] [2022-11-25 23:18:03,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:18:03,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:18:03,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:18:04,985 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 23:18:04,987 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:18:04,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119519998] [2022-11-25 23:18:04,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119519998] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:18:04,988 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:18:04,988 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:18:04,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426236248] [2022-11-25 23:18:04,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:18:04,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:18:04,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:18:05,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:18:05,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:18:05,056 INFO L87 Difference]: Start difference. First operand has 3334 states, 1918 states have (on average 1.3415015641293013) internal successors, (2573), 2076 states have internal predecessors, (2573), 1149 states have call successors, (1149), 234 states have call predecessors, (1149), 233 states have return successors, (1141), 1120 states have call predecessors, (1141), 1141 states have call successors, (1141) Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-25 23:18:08,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 23:18:10,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:18:10,037 INFO L93 Difference]: Finished difference Result 6655 states and 9978 transitions. [2022-11-25 23:18:10,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:18:10,049 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 38 [2022-11-25 23:18:10,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:18:10,102 INFO L225 Difference]: With dead ends: 6655 [2022-11-25 23:18:10,102 INFO L226 Difference]: Without dead ends: 3316 [2022-11-25 23:18:10,140 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:18:10,143 INFO L413 NwaCegarLoop]: 4302 mSDtfsCounter, 4804 mSDsluCounter, 4302 mSDsCounter, 0 mSdLazyCounter, 1045 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4812 SdHoareTripleChecker+Valid, 8604 SdHoareTripleChecker+Invalid, 1046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1045 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-11-25 23:18:10,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4812 Valid, 8604 Invalid, 1046 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1045 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2022-11-25 23:18:10,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3316 states. [2022-11-25 23:18:10,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3316 to 3316. [2022-11-25 23:18:10,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3316 states, 1911 states have (on average 1.3207744636316066) internal successors, (2524), 2061 states have internal predecessors, (2524), 1141 states have call successors, (1141), 233 states have call predecessors, (1141), 232 states have return successors, (1139), 1118 states have call predecessors, (1139), 1139 states have call successors, (1139) [2022-11-25 23:18:10,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3316 states to 3316 states and 4804 transitions. [2022-11-25 23:18:10,489 INFO L78 Accepts]: Start accepts. Automaton has 3316 states and 4804 transitions. Word has length 38 [2022-11-25 23:18:10,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:18:10,491 INFO L495 AbstractCegarLoop]: Abstraction has 3316 states and 4804 transitions. [2022-11-25 23:18:10,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-25 23:18:10,491 INFO L276 IsEmpty]: Start isEmpty. Operand 3316 states and 4804 transitions. [2022-11-25 23:18:10,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-25 23:18:10,494 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:18:10,494 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:18:10,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 23:18:10,495 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-25 23:18:10,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:18:10,496 INFO L85 PathProgramCache]: Analyzing trace with hash 359760661, now seen corresponding path program 1 times [2022-11-25 23:18:10,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:18:10,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620897711] [2022-11-25 23:18:10,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:18:10,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:18:10,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:18:11,362 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 23:18:11,362 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:18:11,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620897711] [2022-11-25 23:18:11,363 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620897711] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:18:11,363 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:18:11,363 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:18:11,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560067368] [2022-11-25 23:18:11,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:18:11,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:18:11,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:18:11,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:18:11,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:18:11,367 INFO L87 Difference]: Start difference. First operand 3316 states and 4804 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-25 23:18:14,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 23:18:16,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:18:16,047 INFO L93 Difference]: Finished difference Result 3316 states and 4804 transitions. [2022-11-25 23:18:16,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:18:16,050 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 43 [2022-11-25 23:18:16,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:18:16,076 INFO L225 Difference]: With dead ends: 3316 [2022-11-25 23:18:16,076 INFO L226 Difference]: Without dead ends: 3314 [2022-11-25 23:18:16,079 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:18:16,080 INFO L413 NwaCegarLoop]: 4278 mSDtfsCounter, 4778 mSDsluCounter, 4278 mSDsCounter, 0 mSdLazyCounter, 1043 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4786 SdHoareTripleChecker+Valid, 8556 SdHoareTripleChecker+Invalid, 1044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1043 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:18:16,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4786 Valid, 8556 Invalid, 1044 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1043 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2022-11-25 23:18:16,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3314 states. [2022-11-25 23:18:16,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3314 to 3314. [2022-11-25 23:18:16,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3314 states, 1910 states have (on average 1.3204188481675392) internal successors, (2522), 2059 states have internal predecessors, (2522), 1141 states have call successors, (1141), 233 states have call predecessors, (1141), 232 states have return successors, (1139), 1118 states have call predecessors, (1139), 1139 states have call successors, (1139) [2022-11-25 23:18:16,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3314 states to 3314 states and 4802 transitions. [2022-11-25 23:18:16,367 INFO L78 Accepts]: Start accepts. Automaton has 3314 states and 4802 transitions. Word has length 43 [2022-11-25 23:18:16,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:18:16,368 INFO L495 AbstractCegarLoop]: Abstraction has 3314 states and 4802 transitions. [2022-11-25 23:18:16,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-25 23:18:16,369 INFO L276 IsEmpty]: Start isEmpty. Operand 3314 states and 4802 transitions. [2022-11-25 23:18:16,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-25 23:18:16,371 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:18:16,371 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:18:16,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 23:18:16,372 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-25 23:18:16,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:18:16,373 INFO L85 PathProgramCache]: Analyzing trace with hash -1648176965, now seen corresponding path program 1 times [2022-11-25 23:18:16,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:18:16,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559875643] [2022-11-25 23:18:16,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:18:16,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:18:16,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:18:17,157 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 23:18:17,157 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:18:17,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559875643] [2022-11-25 23:18:17,157 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559875643] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:18:17,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:18:17,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:18:17,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402471942] [2022-11-25 23:18:17,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:18:17,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:18:17,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:18:17,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:18:17,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:18:17,161 INFO L87 Difference]: Start difference. First operand 3314 states and 4802 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-25 23:18:20,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 23:18:23,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 23:18:23,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:18:23,942 INFO L93 Difference]: Finished difference Result 4147 states and 5908 transitions. [2022-11-25 23:18:23,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:18:23,943 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 48 [2022-11-25 23:18:23,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:18:23,969 INFO L225 Difference]: With dead ends: 4147 [2022-11-25 23:18:23,970 INFO L226 Difference]: Without dead ends: 4145 [2022-11-25 23:18:23,973 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:18:23,974 INFO L413 NwaCegarLoop]: 4622 mSDtfsCounter, 4739 mSDsluCounter, 5631 mSDsCounter, 0 mSdLazyCounter, 1180 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4748 SdHoareTripleChecker+Valid, 10253 SdHoareTripleChecker+Invalid, 1182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1180 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:18:23,975 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4748 Valid, 10253 Invalid, 1182 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1180 Invalid, 2 Unknown, 0 Unchecked, 6.3s Time] [2022-11-25 23:18:23,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4145 states. [2022-11-25 23:18:24,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4145 to 4127. [2022-11-25 23:18:24,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4127 states, 2357 states have (on average 1.3063215952481968) internal successors, (3079), 2538 states have internal predecessors, (3079), 1406 states have call successors, (1406), 335 states have call predecessors, (1406), 334 states have return successors, (1404), 1372 states have call predecessors, (1404), 1404 states have call successors, (1404) [2022-11-25 23:18:24,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4127 states to 4127 states and 5889 transitions. [2022-11-25 23:18:24,257 INFO L78 Accepts]: Start accepts. Automaton has 4127 states and 5889 transitions. Word has length 48 [2022-11-25 23:18:24,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:18:24,258 INFO L495 AbstractCegarLoop]: Abstraction has 4127 states and 5889 transitions. [2022-11-25 23:18:24,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-25 23:18:24,258 INFO L276 IsEmpty]: Start isEmpty. Operand 4127 states and 5889 transitions. [2022-11-25 23:18:24,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-25 23:18:24,260 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:18:24,261 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:18:24,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 23:18:24,261 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-25 23:18:24,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:18:24,262 INFO L85 PathProgramCache]: Analyzing trace with hash -1347286696, now seen corresponding path program 1 times [2022-11-25 23:18:24,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:18:24,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485085423] [2022-11-25 23:18:24,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:18:24,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:18:24,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:18:24,791 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 23:18:24,792 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:18:24,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485085423] [2022-11-25 23:18:24,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485085423] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:18:24,792 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:18:24,792 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:18:24,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281282088] [2022-11-25 23:18:24,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:18:24,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:18:24,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:18:24,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:18:24,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:18:24,794 INFO L87 Difference]: Start difference. First operand 4127 states and 5889 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-25 23:18:28,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 23:18:30,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:18:30,525 INFO L93 Difference]: Finished difference Result 4127 states and 5889 transitions. [2022-11-25 23:18:30,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:18:30,527 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 53 [2022-11-25 23:18:30,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:18:30,553 INFO L225 Difference]: With dead ends: 4127 [2022-11-25 23:18:30,554 INFO L226 Difference]: Without dead ends: 4125 [2022-11-25 23:18:30,557 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:18:30,560 INFO L413 NwaCegarLoop]: 4274 mSDtfsCounter, 4772 mSDsluCounter, 4274 mSDsCounter, 0 mSdLazyCounter, 1043 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4780 SdHoareTripleChecker+Valid, 8548 SdHoareTripleChecker+Invalid, 1044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1043 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-11-25 23:18:30,562 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4780 Valid, 8548 Invalid, 1044 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1043 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2022-11-25 23:18:30,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4125 states. [2022-11-25 23:18:30,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4125 to 4125. [2022-11-25 23:18:30,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4125 states, 2356 states have (on average 1.3060271646859083) internal successors, (3077), 2536 states have internal predecessors, (3077), 1406 states have call successors, (1406), 335 states have call predecessors, (1406), 334 states have return successors, (1404), 1372 states have call predecessors, (1404), 1404 states have call successors, (1404) [2022-11-25 23:18:30,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4125 states to 4125 states and 5887 transitions. [2022-11-25 23:18:30,896 INFO L78 Accepts]: Start accepts. Automaton has 4125 states and 5887 transitions. Word has length 53 [2022-11-25 23:18:30,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:18:30,897 INFO L495 AbstractCegarLoop]: Abstraction has 4125 states and 5887 transitions. [2022-11-25 23:18:30,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-25 23:18:30,898 INFO L276 IsEmpty]: Start isEmpty. Operand 4125 states and 5887 transitions. [2022-11-25 23:18:30,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-25 23:18:30,900 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:18:30,900 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:18:30,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 23:18:30,901 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-25 23:18:30,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:18:30,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1441045280, now seen corresponding path program 1 times [2022-11-25 23:18:30,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:18:30,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852194763] [2022-11-25 23:18:30,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:18:30,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:18:31,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:18:31,436 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 23:18:31,436 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:18:31,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852194763] [2022-11-25 23:18:31,437 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852194763] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:18:31,437 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:18:31,437 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:18:31,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679554142] [2022-11-25 23:18:31,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:18:31,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:18:31,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:18:31,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:18:31,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:18:31,439 INFO L87 Difference]: Start difference. First operand 4125 states and 5887 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-25 23:18:34,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 23:18:37,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:18:37,095 INFO L93 Difference]: Finished difference Result 4125 states and 5887 transitions. [2022-11-25 23:18:37,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:18:37,097 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 58 [2022-11-25 23:18:37,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:18:37,119 INFO L225 Difference]: With dead ends: 4125 [2022-11-25 23:18:37,120 INFO L226 Difference]: Without dead ends: 4123 [2022-11-25 23:18:37,123 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:18:37,124 INFO L413 NwaCegarLoop]: 4272 mSDtfsCounter, 4769 mSDsluCounter, 4272 mSDsCounter, 0 mSdLazyCounter, 1043 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4777 SdHoareTripleChecker+Valid, 8544 SdHoareTripleChecker+Invalid, 1044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1043 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:18:37,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4777 Valid, 8544 Invalid, 1044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1043 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2022-11-25 23:18:37,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4123 states. [2022-11-25 23:18:37,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4123 to 4123. [2022-11-25 23:18:37,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4123 states, 2355 states have (on average 1.305732484076433) internal successors, (3075), 2534 states have internal predecessors, (3075), 1406 states have call successors, (1406), 335 states have call predecessors, (1406), 334 states have return successors, (1404), 1372 states have call predecessors, (1404), 1404 states have call successors, (1404) [2022-11-25 23:18:37,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4123 states to 4123 states and 5885 transitions. [2022-11-25 23:18:37,538 INFO L78 Accepts]: Start accepts. Automaton has 4123 states and 5885 transitions. Word has length 58 [2022-11-25 23:18:37,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:18:37,538 INFO L495 AbstractCegarLoop]: Abstraction has 4123 states and 5885 transitions. [2022-11-25 23:18:37,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-25 23:18:37,539 INFO L276 IsEmpty]: Start isEmpty. Operand 4123 states and 5885 transitions. [2022-11-25 23:18:37,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-25 23:18:37,542 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:18:37,543 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:18:37,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 23:18:37,543 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-25 23:18:37,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:18:37,544 INFO L85 PathProgramCache]: Analyzing trace with hash -431327651, now seen corresponding path program 1 times [2022-11-25 23:18:37,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:18:37,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070308294] [2022-11-25 23:18:37,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:18:37,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:18:37,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:18:38,070 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 23:18:38,070 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:18:38,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070308294] [2022-11-25 23:18:38,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070308294] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:18:38,071 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:18:38,071 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:18:38,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586400559] [2022-11-25 23:18:38,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:18:38,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:18:38,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:18:38,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:18:38,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:18:38,074 INFO L87 Difference]: Start difference. First operand 4123 states and 5885 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-25 23:18:41,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 23:18:43,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:18:43,405 INFO L93 Difference]: Finished difference Result 4123 states and 5885 transitions. [2022-11-25 23:18:43,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:18:43,408 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 63 [2022-11-25 23:18:43,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:18:43,432 INFO L225 Difference]: With dead ends: 4123 [2022-11-25 23:18:43,432 INFO L226 Difference]: Without dead ends: 4121 [2022-11-25 23:18:43,436 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:18:43,436 INFO L413 NwaCegarLoop]: 4270 mSDtfsCounter, 4766 mSDsluCounter, 4270 mSDsCounter, 0 mSdLazyCounter, 1043 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4774 SdHoareTripleChecker+Valid, 8540 SdHoareTripleChecker+Invalid, 1044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1043 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:18:43,437 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4774 Valid, 8540 Invalid, 1044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1043 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2022-11-25 23:18:43,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4121 states. [2022-11-25 23:18:43,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4121 to 4121. [2022-11-25 23:18:43,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4121 states, 2354 states have (on average 1.3054375531011044) internal successors, (3073), 2532 states have internal predecessors, (3073), 1406 states have call successors, (1406), 335 states have call predecessors, (1406), 334 states have return successors, (1404), 1372 states have call predecessors, (1404), 1404 states have call successors, (1404) [2022-11-25 23:18:43,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4121 states to 4121 states and 5883 transitions. [2022-11-25 23:18:43,951 INFO L78 Accepts]: Start accepts. Automaton has 4121 states and 5883 transitions. Word has length 63 [2022-11-25 23:18:43,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:18:43,952 INFO L495 AbstractCegarLoop]: Abstraction has 4121 states and 5883 transitions. [2022-11-25 23:18:43,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-25 23:18:43,952 INFO L276 IsEmpty]: Start isEmpty. Operand 4121 states and 5883 transitions. [2022-11-25 23:18:43,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-25 23:18:43,955 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:18:43,955 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:18:43,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 23:18:43,955 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-25 23:18:43,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:18:43,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1937022626, now seen corresponding path program 1 times [2022-11-25 23:18:43,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:18:43,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351027483] [2022-11-25 23:18:43,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:18:43,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:18:44,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:18:44,594 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 23:18:44,595 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:18:44,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351027483] [2022-11-25 23:18:44,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351027483] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:18:44,595 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:18:44,595 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:18:44,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978053647] [2022-11-25 23:18:44,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:18:44,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:18:44,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:18:44,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:18:44,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:18:44,598 INFO L87 Difference]: Start difference. First operand 4121 states and 5883 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-25 23:18:48,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 23:18:51,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:18:51,875 INFO L93 Difference]: Finished difference Result 8231 states and 11756 transitions. [2022-11-25 23:18:51,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 23:18:51,877 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 68 [2022-11-25 23:18:51,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:18:51,934 INFO L225 Difference]: With dead ends: 8231 [2022-11-25 23:18:51,935 INFO L226 Difference]: Without dead ends: 8229 [2022-11-25 23:18:51,941 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:18:51,942 INFO L413 NwaCegarLoop]: 5408 mSDtfsCounter, 4758 mSDsluCounter, 9675 mSDsCounter, 0 mSdLazyCounter, 1567 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4766 SdHoareTripleChecker+Valid, 15083 SdHoareTripleChecker+Invalid, 1569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1567 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-11-25 23:18:51,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4766 Valid, 15083 Invalid, 1569 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1567 Invalid, 1 Unknown, 0 Unchecked, 6.5s Time] [2022-11-25 23:18:51,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8229 states. [2022-11-25 23:18:52,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8229 to 8097. [2022-11-25 23:18:52,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8097 states, 4633 states have (on average 1.3069285560112238) internal successors, (6055), 4964 states have internal predecessors, (6055), 2782 states have call successors, (2782), 656 states have call predecessors, (2782), 655 states have return successors, (2786), 2714 states have call predecessors, (2786), 2780 states have call successors, (2786) [2022-11-25 23:18:52,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8097 states to 8097 states and 11623 transitions. [2022-11-25 23:18:52,640 INFO L78 Accepts]: Start accepts. Automaton has 8097 states and 11623 transitions. Word has length 68 [2022-11-25 23:18:52,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:18:52,641 INFO L495 AbstractCegarLoop]: Abstraction has 8097 states and 11623 transitions. [2022-11-25 23:18:52,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-25 23:18:52,641 INFO L276 IsEmpty]: Start isEmpty. Operand 8097 states and 11623 transitions. [2022-11-25 23:18:52,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-25 23:18:52,642 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:18:52,643 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:18:52,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 23:18:52,643 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-25 23:18:52,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:18:52,644 INFO L85 PathProgramCache]: Analyzing trace with hash 498659760, now seen corresponding path program 1 times [2022-11-25 23:18:52,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:18:52,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313764395] [2022-11-25 23:18:52,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:18:52,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:18:52,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:18:53,244 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 23:18:53,244 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:18:53,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313764395] [2022-11-25 23:18:53,244 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313764395] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:18:53,245 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:18:53,245 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:18:53,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564267498] [2022-11-25 23:18:53,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:18:53,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:18:53,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:18:53,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:18:53,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:18:53,247 INFO L87 Difference]: Start difference. First operand 8097 states and 11623 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-25 23:18:56,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 23:18:58,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:18:58,545 INFO L93 Difference]: Finished difference Result 8097 states and 11623 transitions. [2022-11-25 23:18:58,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:18:58,548 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 73 [2022-11-25 23:18:58,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:18:58,590 INFO L225 Difference]: With dead ends: 8097 [2022-11-25 23:18:58,591 INFO L226 Difference]: Without dead ends: 8095 [2022-11-25 23:18:58,597 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:18:58,598 INFO L413 NwaCegarLoop]: 4268 mSDtfsCounter, 4773 mSDsluCounter, 4264 mSDsCounter, 0 mSdLazyCounter, 1045 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4775 SdHoareTripleChecker+Valid, 8532 SdHoareTripleChecker+Invalid, 1045 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1045 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-11-25 23:18:58,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4775 Valid, 8532 Invalid, 1045 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1045 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-11-25 23:18:58,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8095 states. [2022-11-25 23:18:59,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8095 to 8095. [2022-11-25 23:18:59,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8095 states, 4632 states have (on average 1.3067789291882557) internal successors, (6053), 4962 states have internal predecessors, (6053), 2782 states have call successors, (2782), 656 states have call predecessors, (2782), 655 states have return successors, (2786), 2714 states have call predecessors, (2786), 2780 states have call successors, (2786) [2022-11-25 23:18:59,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8095 states to 8095 states and 11621 transitions. [2022-11-25 23:18:59,336 INFO L78 Accepts]: Start accepts. Automaton has 8095 states and 11621 transitions. Word has length 73 [2022-11-25 23:18:59,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:18:59,338 INFO L495 AbstractCegarLoop]: Abstraction has 8095 states and 11621 transitions. [2022-11-25 23:18:59,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-25 23:18:59,338 INFO L276 IsEmpty]: Start isEmpty. Operand 8095 states and 11621 transitions. [2022-11-25 23:18:59,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-25 23:18:59,340 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:18:59,340 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:18:59,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 23:18:59,341 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-25 23:18:59,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:18:59,341 INFO L85 PathProgramCache]: Analyzing trace with hash -1824022221, now seen corresponding path program 1 times [2022-11-25 23:18:59,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:18:59,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549785173] [2022-11-25 23:18:59,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:18:59,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:18:59,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:18:59,862 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 23:18:59,862 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:18:59,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549785173] [2022-11-25 23:18:59,863 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549785173] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:18:59,863 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:18:59,863 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:18:59,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312159685] [2022-11-25 23:18:59,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:18:59,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:18:59,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:18:59,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:18:59,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:18:59,866 INFO L87 Difference]: Start difference. First operand 8095 states and 11621 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-25 23:19:03,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 23:19:06,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 23:19:07,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:19:07,060 INFO L93 Difference]: Finished difference Result 8095 states and 11621 transitions. [2022-11-25 23:19:07,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:19:07,063 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 75 [2022-11-25 23:19:07,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:19:07,109 INFO L225 Difference]: With dead ends: 8095 [2022-11-25 23:19:07,110 INFO L226 Difference]: Without dead ends: 8093 [2022-11-25 23:19:07,116 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:19:07,120 INFO L413 NwaCegarLoop]: 4266 mSDtfsCounter, 4758 mSDsluCounter, 4266 mSDsCounter, 0 mSdLazyCounter, 1042 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4766 SdHoareTripleChecker+Valid, 8532 SdHoareTripleChecker+Invalid, 1044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1042 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-11-25 23:19:07,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4766 Valid, 8532 Invalid, 1044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1042 Invalid, 2 Unknown, 0 Unchecked, 6.5s Time] [2022-11-25 23:19:07,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8093 states. [2022-11-25 23:19:07,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8093 to 8093. [2022-11-25 23:19:07,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8093 states, 4631 states have (on average 1.3066292377456272) internal successors, (6051), 4960 states have internal predecessors, (6051), 2782 states have call successors, (2782), 656 states have call predecessors, (2782), 655 states have return successors, (2786), 2714 states have call predecessors, (2786), 2780 states have call successors, (2786) [2022-11-25 23:19:07,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8093 states to 8093 states and 11619 transitions. [2022-11-25 23:19:07,801 INFO L78 Accepts]: Start accepts. Automaton has 8093 states and 11619 transitions. Word has length 75 [2022-11-25 23:19:07,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:19:07,802 INFO L495 AbstractCegarLoop]: Abstraction has 8093 states and 11619 transitions. [2022-11-25 23:19:07,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-25 23:19:07,802 INFO L276 IsEmpty]: Start isEmpty. Operand 8093 states and 11619 transitions. [2022-11-25 23:19:07,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-25 23:19:07,804 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:19:07,804 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:19:07,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-25 23:19:07,805 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-25 23:19:07,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:19:07,806 INFO L85 PathProgramCache]: Analyzing trace with hash -98815736, now seen corresponding path program 1 times [2022-11-25 23:19:07,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:19:07,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113333529] [2022-11-25 23:19:07,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:07,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:19:07,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:08,312 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 23:19:08,312 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:19:08,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113333529] [2022-11-25 23:19:08,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113333529] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:19:08,313 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:19:08,313 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:19:08,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388822130] [2022-11-25 23:19:08,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:19:08,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:19:08,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:19:08,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:19:08,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:19:08,315 INFO L87 Difference]: Start difference. First operand 8093 states and 11619 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-25 23:19:11,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 23:19:13,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:19:13,473 INFO L93 Difference]: Finished difference Result 8093 states and 11619 transitions. [2022-11-25 23:19:13,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:19:13,475 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 80 [2022-11-25 23:19:13,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:19:13,514 INFO L225 Difference]: With dead ends: 8093 [2022-11-25 23:19:13,514 INFO L226 Difference]: Without dead ends: 8091 [2022-11-25 23:19:13,521 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:19:13,522 INFO L413 NwaCegarLoop]: 4264 mSDtfsCounter, 4757 mSDsluCounter, 4264 mSDsCounter, 0 mSdLazyCounter, 1043 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4765 SdHoareTripleChecker+Valid, 8528 SdHoareTripleChecker+Invalid, 1044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1043 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-11-25 23:19:13,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4765 Valid, 8528 Invalid, 1044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1043 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2022-11-25 23:19:13,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8091 states. [2022-11-25 23:19:14,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8091 to 8091. [2022-11-25 23:19:14,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8091 states, 4630 states have (on average 1.3064794816414687) internal successors, (6049), 4958 states have internal predecessors, (6049), 2782 states have call successors, (2782), 656 states have call predecessors, (2782), 655 states have return successors, (2786), 2714 states have call predecessors, (2786), 2780 states have call successors, (2786) [2022-11-25 23:19:14,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8091 states to 8091 states and 11617 transitions. [2022-11-25 23:19:14,231 INFO L78 Accepts]: Start accepts. Automaton has 8091 states and 11617 transitions. Word has length 80 [2022-11-25 23:19:14,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:19:14,232 INFO L495 AbstractCegarLoop]: Abstraction has 8091 states and 11617 transitions. [2022-11-25 23:19:14,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-25 23:19:14,232 INFO L276 IsEmpty]: Start isEmpty. Operand 8091 states and 11617 transitions. [2022-11-25 23:19:14,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-25 23:19:14,234 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:19:14,234 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:19:14,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-25 23:19:14,235 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-25 23:19:14,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:19:14,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1156114733, now seen corresponding path program 1 times [2022-11-25 23:19:14,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:19:14,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046942201] [2022-11-25 23:19:14,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:14,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:19:14,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:14,715 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 23:19:14,715 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:19:14,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046942201] [2022-11-25 23:19:14,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046942201] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:19:14,716 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:19:14,716 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:19:14,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785944940] [2022-11-25 23:19:14,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:19:14,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:19:14,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:19:14,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:19:14,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:19:14,718 INFO L87 Difference]: Start difference. First operand 8091 states and 11617 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-25 23:19:16,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 23:19:20,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 23:19:20,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:19:20,843 INFO L93 Difference]: Finished difference Result 8091 states and 11617 transitions. [2022-11-25 23:19:20,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:19:20,844 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 85 [2022-11-25 23:19:20,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:19:20,884 INFO L225 Difference]: With dead ends: 8091 [2022-11-25 23:19:20,884 INFO L226 Difference]: Without dead ends: 8089 [2022-11-25 23:19:20,890 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:19:20,891 INFO L413 NwaCegarLoop]: 4261 mSDtfsCounter, 4761 mSDsluCounter, 4261 mSDsCounter, 0 mSdLazyCounter, 1047 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4763 SdHoareTripleChecker+Valid, 8522 SdHoareTripleChecker+Invalid, 1047 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1047 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:19:20,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4763 Valid, 8522 Invalid, 1047 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1047 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-11-25 23:19:20,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8089 states. [2022-11-25 23:19:21,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8089 to 8089. [2022-11-25 23:19:21,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8089 states, 4629 states have (on average 1.3063296608338735) internal successors, (6047), 4956 states have internal predecessors, (6047), 2782 states have call successors, (2782), 656 states have call predecessors, (2782), 655 states have return successors, (2786), 2714 states have call predecessors, (2786), 2780 states have call successors, (2786) [2022-11-25 23:19:21,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8089 states to 8089 states and 11615 transitions. [2022-11-25 23:19:21,603 INFO L78 Accepts]: Start accepts. Automaton has 8089 states and 11615 transitions. Word has length 85 [2022-11-25 23:19:21,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:19:21,604 INFO L495 AbstractCegarLoop]: Abstraction has 8089 states and 11615 transitions. [2022-11-25 23:19:21,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-25 23:19:21,605 INFO L276 IsEmpty]: Start isEmpty. Operand 8089 states and 11615 transitions. [2022-11-25 23:19:21,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-11-25 23:19:21,607 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:19:21,607 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:19:21,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-25 23:19:21,608 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-25 23:19:21,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:19:21,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1358315926, now seen corresponding path program 1 times [2022-11-25 23:19:21,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:19:21,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856045824] [2022-11-25 23:19:21,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:21,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:19:21,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:22,160 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 23:19:22,160 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:19:22,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856045824] [2022-11-25 23:19:22,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856045824] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:19:22,161 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:19:22,161 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:19:22,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962794111] [2022-11-25 23:19:22,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:19:22,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:19:22,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:19:22,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:19:22,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:19:22,163 INFO L87 Difference]: Start difference. First operand 8089 states and 11615 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-25 23:19:25,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 23:19:27,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:19:27,469 INFO L93 Difference]: Finished difference Result 8089 states and 11615 transitions. [2022-11-25 23:19:27,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:19:27,472 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 90 [2022-11-25 23:19:27,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:19:27,503 INFO L225 Difference]: With dead ends: 8089 [2022-11-25 23:19:27,503 INFO L226 Difference]: Without dead ends: 8087 [2022-11-25 23:19:27,509 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:19:27,510 INFO L413 NwaCegarLoop]: 4260 mSDtfsCounter, 4751 mSDsluCounter, 4260 mSDsCounter, 0 mSdLazyCounter, 1043 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4759 SdHoareTripleChecker+Valid, 8520 SdHoareTripleChecker+Invalid, 1044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1043 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-11-25 23:19:27,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4759 Valid, 8520 Invalid, 1044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1043 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2022-11-25 23:19:27,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8087 states. [2022-11-25 23:19:28,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8087 to 8087. [2022-11-25 23:19:28,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8087 states, 4628 states have (on average 1.3061797752808988) internal successors, (6045), 4954 states have internal predecessors, (6045), 2782 states have call successors, (2782), 656 states have call predecessors, (2782), 655 states have return successors, (2786), 2714 states have call predecessors, (2786), 2780 states have call successors, (2786) [2022-11-25 23:19:28,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8087 states to 8087 states and 11613 transitions. [2022-11-25 23:19:28,509 INFO L78 Accepts]: Start accepts. Automaton has 8087 states and 11613 transitions. Word has length 90 [2022-11-25 23:19:28,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:19:28,509 INFO L495 AbstractCegarLoop]: Abstraction has 8087 states and 11613 transitions. [2022-11-25 23:19:28,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-25 23:19:28,510 INFO L276 IsEmpty]: Start isEmpty. Operand 8087 states and 11613 transitions. [2022-11-25 23:19:28,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-25 23:19:28,511 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:19:28,511 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:19:28,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-25 23:19:28,512 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-25 23:19:28,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:19:28,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1537578598, now seen corresponding path program 1 times [2022-11-25 23:19:28,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:19:28,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891388254] [2022-11-25 23:19:28,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:28,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:19:28,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:29,044 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 23:19:29,045 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:19:29,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891388254] [2022-11-25 23:19:29,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891388254] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:19:29,045 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:19:29,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:19:29,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548183522] [2022-11-25 23:19:29,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:19:29,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:19:29,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:19:29,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:19:29,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:19:29,048 INFO L87 Difference]: Start difference. First operand 8087 states and 11613 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-25 23:19:33,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 23:19:36,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 23:19:38,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:19:38,238 INFO L93 Difference]: Finished difference Result 11869 states and 17035 transitions. [2022-11-25 23:19:38,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 23:19:38,240 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 95 [2022-11-25 23:19:38,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:19:38,289 INFO L225 Difference]: With dead ends: 11869 [2022-11-25 23:19:38,290 INFO L226 Difference]: Without dead ends: 11867 [2022-11-25 23:19:38,295 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:19:38,295 INFO L413 NwaCegarLoop]: 5571 mSDtfsCounter, 4266 mSDsluCounter, 9865 mSDsCounter, 0 mSdLazyCounter, 1667 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4268 SdHoareTripleChecker+Valid, 15436 SdHoareTripleChecker+Invalid, 1668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1667 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2022-11-25 23:19:38,296 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4268 Valid, 15436 Invalid, 1668 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1667 Invalid, 0 Unknown, 0 Unchecked, 7.9s Time] [2022-11-25 23:19:38,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11867 states. [2022-11-25 23:19:39,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11867 to 11770. [2022-11-25 23:19:39,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11770 states, 6734 states have (on average 1.3062073062073063) internal successors, (8796), 7207 states have internal predecessors, (8796), 4049 states have call successors, (4049), 968 states have call predecessors, (4049), 965 states have return successors, (4088), 3937 states have call predecessors, (4088), 4047 states have call successors, (4088) [2022-11-25 23:19:39,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11770 states to 11770 states and 16933 transitions. [2022-11-25 23:19:39,339 INFO L78 Accepts]: Start accepts. Automaton has 11770 states and 16933 transitions. Word has length 95 [2022-11-25 23:19:39,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:19:39,339 INFO L495 AbstractCegarLoop]: Abstraction has 11770 states and 16933 transitions. [2022-11-25 23:19:39,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-25 23:19:39,340 INFO L276 IsEmpty]: Start isEmpty. Operand 11770 states and 16933 transitions. [2022-11-25 23:19:39,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-11-25 23:19:39,342 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:19:39,342 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:19:39,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-25 23:19:39,343 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-25 23:19:39,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:19:39,343 INFO L85 PathProgramCache]: Analyzing trace with hash -2001349362, now seen corresponding path program 1 times [2022-11-25 23:19:39,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:19:39,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780516210] [2022-11-25 23:19:39,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:39,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:19:39,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:39,935 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 23:19:39,936 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:19:39,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780516210] [2022-11-25 23:19:39,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780516210] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:19:39,936 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:19:39,936 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:19:39,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345431029] [2022-11-25 23:19:39,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:19:39,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:19:39,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:19:39,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:19:39,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:19:39,939 INFO L87 Difference]: Start difference. First operand 11770 states and 16933 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-25 23:19:44,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:19:44,813 INFO L93 Difference]: Finished difference Result 11770 states and 16933 transitions. [2022-11-25 23:19:44,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:19:44,819 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 100 [2022-11-25 23:19:44,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:19:44,879 INFO L225 Difference]: With dead ends: 11770 [2022-11-25 23:19:44,879 INFO L226 Difference]: Without dead ends: 11768 [2022-11-25 23:19:44,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:19:44,889 INFO L413 NwaCegarLoop]: 4258 mSDtfsCounter, 4754 mSDsluCounter, 4258 mSDsCounter, 0 mSdLazyCounter, 1045 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4756 SdHoareTripleChecker+Valid, 8516 SdHoareTripleChecker+Invalid, 1045 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1045 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-11-25 23:19:44,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4756 Valid, 8516 Invalid, 1045 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1045 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-11-25 23:19:44,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11768 states. [2022-11-25 23:19:46,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11768 to 11768. [2022-11-25 23:19:46,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11768 states, 6733 states have (on average 1.3061042625872568) internal successors, (8794), 7205 states have internal predecessors, (8794), 4049 states have call successors, (4049), 968 states have call predecessors, (4049), 965 states have return successors, (4088), 3937 states have call predecessors, (4088), 4047 states have call successors, (4088) [2022-11-25 23:19:46,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11768 states to 11768 states and 16931 transitions. [2022-11-25 23:19:46,125 INFO L78 Accepts]: Start accepts. Automaton has 11768 states and 16931 transitions. Word has length 100 [2022-11-25 23:19:46,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:19:46,126 INFO L495 AbstractCegarLoop]: Abstraction has 11768 states and 16931 transitions. [2022-11-25 23:19:46,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-25 23:19:46,126 INFO L276 IsEmpty]: Start isEmpty. Operand 11768 states and 16931 transitions. [2022-11-25 23:19:46,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-11-25 23:19:46,128 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:19:46,129 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:19:46,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-25 23:19:46,129 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-25 23:19:46,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:19:46,130 INFO L85 PathProgramCache]: Analyzing trace with hash -1567924573, now seen corresponding path program 1 times [2022-11-25 23:19:46,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:19:46,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856321525] [2022-11-25 23:19:46,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:46,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:19:46,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:46,677 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 23:19:46,677 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:19:46,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856321525] [2022-11-25 23:19:46,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856321525] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:19:46,678 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:19:46,678 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:19:46,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176934046] [2022-11-25 23:19:46,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:19:46,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:19:46,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:19:46,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:19:46,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:19:46,680 INFO L87 Difference]: Start difference. First operand 11768 states and 16931 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-25 23:19:50,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 23:19:52,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:19:52,441 INFO L93 Difference]: Finished difference Result 11768 states and 16931 transitions. [2022-11-25 23:19:52,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:19:52,443 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 105 [2022-11-25 23:19:52,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:19:52,489 INFO L225 Difference]: With dead ends: 11768 [2022-11-25 23:19:52,489 INFO L226 Difference]: Without dead ends: 11766 [2022-11-25 23:19:52,495 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:19:52,496 INFO L413 NwaCegarLoop]: 4256 mSDtfsCounter, 4744 mSDsluCounter, 4256 mSDsCounter, 0 mSdLazyCounter, 1043 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4752 SdHoareTripleChecker+Valid, 8512 SdHoareTripleChecker+Invalid, 1044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1043 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-11-25 23:19:52,496 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4752 Valid, 8512 Invalid, 1044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1043 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2022-11-25 23:19:52,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11766 states. [2022-11-25 23:19:53,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11766 to 11766. [2022-11-25 23:19:53,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11766 states, 6732 states have (on average 1.3060011883541296) internal successors, (8792), 7203 states have internal predecessors, (8792), 4049 states have call successors, (4049), 968 states have call predecessors, (4049), 965 states have return successors, (4088), 3937 states have call predecessors, (4088), 4047 states have call successors, (4088) [2022-11-25 23:19:53,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11766 states to 11766 states and 16929 transitions. [2022-11-25 23:19:53,831 INFO L78 Accepts]: Start accepts. Automaton has 11766 states and 16929 transitions. Word has length 105 [2022-11-25 23:19:53,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:19:53,832 INFO L495 AbstractCegarLoop]: Abstraction has 11766 states and 16929 transitions. [2022-11-25 23:19:53,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-25 23:19:53,832 INFO L276 IsEmpty]: Start isEmpty. Operand 11766 states and 16929 transitions. [2022-11-25 23:19:53,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-11-25 23:19:53,834 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:19:53,834 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:19:53,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-25 23:19:53,835 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-25 23:19:53,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:19:53,836 INFO L85 PathProgramCache]: Analyzing trace with hash -1524520591, now seen corresponding path program 1 times [2022-11-25 23:19:53,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:19:53,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945119475] [2022-11-25 23:19:53,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:53,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:19:53,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:55,080 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 23:19:55,080 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:19:55,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945119475] [2022-11-25 23:19:55,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945119475] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:19:55,083 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:19:55,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:19:55,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705307558] [2022-11-25 23:19:55,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:19:55,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:19:55,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:19:55,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:19:55,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:19:55,085 INFO L87 Difference]: Start difference. First operand 11766 states and 16929 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-25 23:19:59,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 23:20:01,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:20:01,315 INFO L93 Difference]: Finished difference Result 11766 states and 16929 transitions. [2022-11-25 23:20:01,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:20:01,317 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 110 [2022-11-25 23:20:01,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:20:01,354 INFO L225 Difference]: With dead ends: 11766 [2022-11-25 23:20:01,355 INFO L226 Difference]: Without dead ends: 11764 [2022-11-25 23:20:01,359 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:20:01,360 INFO L413 NwaCegarLoop]: 4254 mSDtfsCounter, 4741 mSDsluCounter, 4254 mSDsCounter, 0 mSdLazyCounter, 1043 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4749 SdHoareTripleChecker+Valid, 8508 SdHoareTripleChecker+Invalid, 1044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1043 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-11-25 23:20:01,360 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4749 Valid, 8508 Invalid, 1044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1043 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2022-11-25 23:20:01,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11764 states. [2022-11-25 23:20:02,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11764 to 11764. [2022-11-25 23:20:02,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11764 states, 6731 states have (on average 1.3058980834942802) internal successors, (8790), 7201 states have internal predecessors, (8790), 4049 states have call successors, (4049), 968 states have call predecessors, (4049), 965 states have return successors, (4088), 3937 states have call predecessors, (4088), 4047 states have call successors, (4088) [2022-11-25 23:20:02,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11764 states to 11764 states and 16927 transitions. [2022-11-25 23:20:02,579 INFO L78 Accepts]: Start accepts. Automaton has 11764 states and 16927 transitions. Word has length 110 [2022-11-25 23:20:02,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:20:02,580 INFO L495 AbstractCegarLoop]: Abstraction has 11764 states and 16927 transitions. [2022-11-25 23:20:02,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-25 23:20:02,580 INFO L276 IsEmpty]: Start isEmpty. Operand 11764 states and 16927 transitions. [2022-11-25 23:20:02,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-25 23:20:02,582 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:20:02,582 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:20:02,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-25 23:20:02,582 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-25 23:20:02,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:20:02,583 INFO L85 PathProgramCache]: Analyzing trace with hash 488269302, now seen corresponding path program 1 times [2022-11-25 23:20:02,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:20:02,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150159363] [2022-11-25 23:20:02,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:20:02,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:20:02,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:20:03,084 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 23:20:03,085 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:20:03,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150159363] [2022-11-25 23:20:03,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150159363] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:20:03,085 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:20:03,086 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:20:03,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298979249] [2022-11-25 23:20:03,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:20:03,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:20:03,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:20:03,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:20:03,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:20:03,088 INFO L87 Difference]: Start difference. First operand 11764 states and 16927 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-25 23:20:06,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 23:20:08,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:20:08,027 INFO L93 Difference]: Finished difference Result 11764 states and 16927 transitions. [2022-11-25 23:20:08,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:20:08,029 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 115 [2022-11-25 23:20:08,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:20:08,063 INFO L225 Difference]: With dead ends: 11764 [2022-11-25 23:20:08,063 INFO L226 Difference]: Without dead ends: 11762 [2022-11-25 23:20:08,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:20:08,068 INFO L413 NwaCegarLoop]: 4252 mSDtfsCounter, 4745 mSDsluCounter, 4252 mSDsCounter, 0 mSdLazyCounter, 1045 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4747 SdHoareTripleChecker+Valid, 8504 SdHoareTripleChecker+Invalid, 1045 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1045 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-11-25 23:20:08,068 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4747 Valid, 8504 Invalid, 1045 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1045 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-11-25 23:20:08,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11762 states. [2022-11-25 23:20:09,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11762 to 11762. [2022-11-25 23:20:09,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11762 states, 6730 states have (on average 1.3057949479940565) internal successors, (8788), 7199 states have internal predecessors, (8788), 4049 states have call successors, (4049), 968 states have call predecessors, (4049), 965 states have return successors, (4088), 3937 states have call predecessors, (4088), 4047 states have call successors, (4088) [2022-11-25 23:20:09,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11762 states to 11762 states and 16925 transitions. [2022-11-25 23:20:09,354 INFO L78 Accepts]: Start accepts. Automaton has 11762 states and 16925 transitions. Word has length 115 [2022-11-25 23:20:09,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:20:09,355 INFO L495 AbstractCegarLoop]: Abstraction has 11762 states and 16925 transitions. [2022-11-25 23:20:09,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-25 23:20:09,355 INFO L276 IsEmpty]: Start isEmpty. Operand 11762 states and 16925 transitions. [2022-11-25 23:20:09,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-11-25 23:20:09,357 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:20:09,357 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:20:09,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-25 23:20:09,357 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-25 23:20:09,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:20:09,358 INFO L85 PathProgramCache]: Analyzing trace with hash -1746885049, now seen corresponding path program 1 times [2022-11-25 23:20:09,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:20:09,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756361226] [2022-11-25 23:20:09,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:20:09,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:20:09,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:20:09,853 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 23:20:09,854 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:20:09,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756361226] [2022-11-25 23:20:09,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756361226] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:20:09,854 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:20:09,854 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:20:09,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082959271] [2022-11-25 23:20:09,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:20:09,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:20:09,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:20:09,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:20:09,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:20:09,857 INFO L87 Difference]: Start difference. First operand 11762 states and 16925 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-25 23:20:12,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 23:20:16,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:20:16,185 INFO L93 Difference]: Finished difference Result 11762 states and 16925 transitions. [2022-11-25 23:20:16,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:20:16,187 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 120 [2022-11-25 23:20:16,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:20:16,216 INFO L225 Difference]: With dead ends: 11762 [2022-11-25 23:20:16,216 INFO L226 Difference]: Without dead ends: 11760 [2022-11-25 23:20:16,219 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:20:16,220 INFO L413 NwaCegarLoop]: 4250 mSDtfsCounter, 4742 mSDsluCounter, 4250 mSDsCounter, 0 mSdLazyCounter, 1045 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4744 SdHoareTripleChecker+Valid, 8500 SdHoareTripleChecker+Invalid, 1045 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1045 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:20:16,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4744 Valid, 8500 Invalid, 1045 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1045 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-11-25 23:20:16,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11760 states. [2022-11-25 23:20:17,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11760 to 11760. [2022-11-25 23:20:17,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11760 states, 6729 states have (on average 1.305691781839798) internal successors, (8786), 7197 states have internal predecessors, (8786), 4049 states have call successors, (4049), 968 states have call predecessors, (4049), 965 states have return successors, (4088), 3937 states have call predecessors, (4088), 4047 states have call successors, (4088) [2022-11-25 23:20:17,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11760 states to 11760 states and 16923 transitions. [2022-11-25 23:20:17,332 INFO L78 Accepts]: Start accepts. Automaton has 11760 states and 16923 transitions. Word has length 120 [2022-11-25 23:20:17,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:20:17,332 INFO L495 AbstractCegarLoop]: Abstraction has 11760 states and 16923 transitions. [2022-11-25 23:20:17,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-25 23:20:17,332 INFO L276 IsEmpty]: Start isEmpty. Operand 11760 states and 16923 transitions. [2022-11-25 23:20:17,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-11-25 23:20:17,335 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:20:17,335 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:20:17,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-25 23:20:17,335 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-25 23:20:17,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:20:17,336 INFO L85 PathProgramCache]: Analyzing trace with hash 2144432706, now seen corresponding path program 1 times [2022-11-25 23:20:17,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:20:17,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465033633] [2022-11-25 23:20:17,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:20:17,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:20:17,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:20:17,815 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 23:20:17,815 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:20:17,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465033633] [2022-11-25 23:20:17,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465033633] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:20:17,816 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:20:17,816 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:20:17,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116049082] [2022-11-25 23:20:17,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:20:17,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:20:17,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:20:17,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:20:17,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:20:17,818 INFO L87 Difference]: Start difference. First operand 11760 states and 16923 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-25 23:20:21,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 23:20:23,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:20:23,462 INFO L93 Difference]: Finished difference Result 11760 states and 16923 transitions. [2022-11-25 23:20:23,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:20:23,464 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 125 [2022-11-25 23:20:23,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:20:23,491 INFO L225 Difference]: With dead ends: 11760 [2022-11-25 23:20:23,491 INFO L226 Difference]: Without dead ends: 11758 [2022-11-25 23:20:23,495 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:20:23,496 INFO L413 NwaCegarLoop]: 4248 mSDtfsCounter, 4732 mSDsluCounter, 4248 mSDsCounter, 0 mSdLazyCounter, 1043 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4740 SdHoareTripleChecker+Valid, 8496 SdHoareTripleChecker+Invalid, 1044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1043 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:20:23,496 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4740 Valid, 8496 Invalid, 1044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1043 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2022-11-25 23:20:23,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11758 states. [2022-11-25 23:20:24,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11758 to 11758. [2022-11-25 23:20:24,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11758 states, 6728 states have (on average 1.305588585017836) internal successors, (8784), 7195 states have internal predecessors, (8784), 4049 states have call successors, (4049), 968 states have call predecessors, (4049), 965 states have return successors, (4088), 3937 states have call predecessors, (4088), 4047 states have call successors, (4088) [2022-11-25 23:20:24,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11758 states to 11758 states and 16921 transitions. [2022-11-25 23:20:24,641 INFO L78 Accepts]: Start accepts. Automaton has 11758 states and 16921 transitions. Word has length 125 [2022-11-25 23:20:24,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:20:24,642 INFO L495 AbstractCegarLoop]: Abstraction has 11758 states and 16921 transitions. [2022-11-25 23:20:24,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-25 23:20:24,643 INFO L276 IsEmpty]: Start isEmpty. Operand 11758 states and 16921 transitions. [2022-11-25 23:20:24,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-25 23:20:24,645 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:20:24,645 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:20:24,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-25 23:20:24,646 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-25 23:20:24,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:20:24,646 INFO L85 PathProgramCache]: Analyzing trace with hash 879973180, now seen corresponding path program 1 times [2022-11-25 23:20:24,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:20:24,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759933158] [2022-11-25 23:20:24,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:20:24,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:20:24,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:20:25,168 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 23:20:25,169 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:20:25,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759933158] [2022-11-25 23:20:25,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759933158] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:20:25,169 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:20:25,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:20:25,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126077653] [2022-11-25 23:20:25,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:20:25,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:20:25,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:20:25,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:20:25,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:20:25,172 INFO L87 Difference]: Start difference. First operand 11758 states and 16921 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-25 23:20:29,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 23:20:31,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:20:31,997 INFO L93 Difference]: Finished difference Result 11758 states and 16921 transitions. [2022-11-25 23:20:31,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:20:31,998 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 130 [2022-11-25 23:20:31,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:20:32,027 INFO L225 Difference]: With dead ends: 11758 [2022-11-25 23:20:32,027 INFO L226 Difference]: Without dead ends: 11756 [2022-11-25 23:20:32,031 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:20:32,032 INFO L413 NwaCegarLoop]: 4246 mSDtfsCounter, 4729 mSDsluCounter, 4246 mSDsCounter, 0 mSdLazyCounter, 1043 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4737 SdHoareTripleChecker+Valid, 8492 SdHoareTripleChecker+Invalid, 1044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1043 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:20:32,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4737 Valid, 8492 Invalid, 1044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1043 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2022-11-25 23:20:32,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11756 states. [2022-11-25 23:20:33,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11756 to 11756. [2022-11-25 23:20:33,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11756 states, 6727 states have (on average 1.3054853575144938) internal successors, (8782), 7193 states have internal predecessors, (8782), 4049 states have call successors, (4049), 968 states have call predecessors, (4049), 965 states have return successors, (4088), 3937 states have call predecessors, (4088), 4047 states have call successors, (4088) [2022-11-25 23:20:33,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11756 states to 11756 states and 16919 transitions. [2022-11-25 23:20:33,236 INFO L78 Accepts]: Start accepts. Automaton has 11756 states and 16919 transitions. Word has length 130 [2022-11-25 23:20:33,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:20:33,237 INFO L495 AbstractCegarLoop]: Abstraction has 11756 states and 16919 transitions. [2022-11-25 23:20:33,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-25 23:20:33,237 INFO L276 IsEmpty]: Start isEmpty. Operand 11756 states and 16919 transitions. [2022-11-25 23:20:33,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-11-25 23:20:33,240 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:20:33,240 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:20:33,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-25 23:20:33,241 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-25 23:20:33,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:20:33,241 INFO L85 PathProgramCache]: Analyzing trace with hash -1976792086, now seen corresponding path program 1 times [2022-11-25 23:20:33,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:20:33,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058373287] [2022-11-25 23:20:33,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:20:33,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:20:33,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:20:33,745 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 23:20:33,745 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:20:33,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058373287] [2022-11-25 23:20:33,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058373287] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:20:33,745 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:20:33,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:20:33,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409902953] [2022-11-25 23:20:33,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:20:33,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:20:33,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:20:33,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:20:33,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:20:33,748 INFO L87 Difference]: Start difference. First operand 11756 states and 16919 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-25 23:20:36,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 23:20:38,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 23:20:41,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:20:41,063 INFO L93 Difference]: Finished difference Result 11756 states and 16919 transitions. [2022-11-25 23:20:41,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:20:41,065 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 135 [2022-11-25 23:20:41,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:20:41,112 INFO L225 Difference]: With dead ends: 11756 [2022-11-25 23:20:41,112 INFO L226 Difference]: Without dead ends: 11591 [2022-11-25 23:20:41,122 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:20:41,123 INFO L413 NwaCegarLoop]: 4245 mSDtfsCounter, 4733 mSDsluCounter, 4245 mSDsCounter, 0 mSdLazyCounter, 1044 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4733 SdHoareTripleChecker+Valid, 8490 SdHoareTripleChecker+Invalid, 1045 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1044 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-11-25 23:20:41,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4733 Valid, 8490 Invalid, 1045 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1044 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2022-11-25 23:20:41,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11591 states. [2022-11-25 23:20:42,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11591 to 11591. [2022-11-25 23:20:42,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11591 states, 6641 states have (on average 1.308688450534558) internal successors, (8691), 7105 states have internal predecessors, (8691), 3995 states have call successors, (3995), 944 states have call predecessors, (3995), 941 states have return successors, (4033), 3884 states have call predecessors, (4033), 3993 states have call successors, (4033) [2022-11-25 23:20:42,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11591 states to 11591 states and 16719 transitions. [2022-11-25 23:20:42,588 INFO L78 Accepts]: Start accepts. Automaton has 11591 states and 16719 transitions. Word has length 135 [2022-11-25 23:20:42,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:20:42,588 INFO L495 AbstractCegarLoop]: Abstraction has 11591 states and 16719 transitions. [2022-11-25 23:20:42,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-25 23:20:42,588 INFO L276 IsEmpty]: Start isEmpty. Operand 11591 states and 16719 transitions. [2022-11-25 23:20:42,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-11-25 23:20:42,590 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:20:42,590 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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] [2022-11-25 23:20:42,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-25 23:20:42,591 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting rcu_read_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-25 23:20:42,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:20:42,591 INFO L85 PathProgramCache]: Analyzing trace with hash -2125473165, now seen corresponding path program 1 times [2022-11-25 23:20:42,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:20:42,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018894377] [2022-11-25 23:20:42,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:20:42,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:20:42,719 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:20:42,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2122766955] [2022-11-25 23:20:42,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:20:42,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:20:42,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:20:42,723 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:20:42,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 23:20:44,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:20:44,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 4944 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-25 23:20:44,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:20:45,049 INFO L134 CoverageAnalysis]: Checked inductivity of 615 backedges. 51 proven. 7 refuted. 0 times theorem prover too weak. 557 trivial. 0 not checked. [2022-11-25 23:20:45,049 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:20:45,563 INFO L134 CoverageAnalysis]: Checked inductivity of 615 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 611 trivial. 0 not checked. [2022-11-25 23:20:45,563 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:20:45,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018894377] [2022-11-25 23:20:45,564 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:20:45,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2122766955] [2022-11-25 23:20:45,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2122766955] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-25 23:20:45,564 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 23:20:45,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 10 [2022-11-25 23:20:45,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165974499] [2022-11-25 23:20:45,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:20:45,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 23:20:45,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:20:45,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 23:20:45,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-11-25 23:20:45,567 INFO L87 Difference]: Start difference. First operand 11591 states and 16719 transitions. Second operand has 7 states, 6 states have (on average 10.666666666666666) internal successors, (64), 7 states have internal predecessors, (64), 4 states have call successors, (27), 4 states have call predecessors, (27), 3 states have return successors, (23), 4 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-25 23:20:52,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 23:20:58,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 23:21:05,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:21:05,725 INFO L93 Difference]: Finished difference Result 11633 states and 16764 transitions. [2022-11-25 23:21:05,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 23:21:05,728 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.666666666666666) internal successors, (64), 7 states have internal predecessors, (64), 4 states have call successors, (27), 4 states have call predecessors, (27), 3 states have return successors, (23), 4 states have call predecessors, (23), 3 states have call successors, (23) Word has length 210 [2022-11-25 23:21:05,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:21:05,777 INFO L225 Difference]: With dead ends: 11633 [2022-11-25 23:21:05,777 INFO L226 Difference]: Without dead ends: 11631 [2022-11-25 23:21:05,785 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 420 GetRequests, 402 SyntacticMatches, 8 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2022-11-25 23:21:05,786 INFO L413 NwaCegarLoop]: 4153 mSDtfsCounter, 5551 mSDsluCounter, 6707 mSDsCounter, 0 mSdLazyCounter, 10168 mSolverCounterSat, 70 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5837 SdHoareTripleChecker+Valid, 10860 SdHoareTripleChecker+Invalid, 10240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 10168 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.8s IncrementalHoareTripleChecker+Time [2022-11-25 23:21:05,787 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5837 Valid, 10860 Invalid, 10240 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [70 Valid, 10168 Invalid, 2 Unknown, 0 Unchecked, 17.8s Time] [2022-11-25 23:21:05,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11631 states. [2022-11-25 23:21:07,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11631 to 11605. [2022-11-25 23:21:07,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11605 states, 6648 states have (on average 1.3080625752105897) internal successors, (8696), 7111 states have internal predecessors, (8696), 3995 states have call successors, (3995), 952 states have call predecessors, (3995), 949 states have return successors, (4033), 3884 states have call predecessors, (4033), 3993 states have call successors, (4033) [2022-11-25 23:21:07,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11605 states to 11605 states and 16724 transitions. [2022-11-25 23:21:07,361 INFO L78 Accepts]: Start accepts. Automaton has 11605 states and 16724 transitions. Word has length 210 [2022-11-25 23:21:07,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:21:07,361 INFO L495 AbstractCegarLoop]: Abstraction has 11605 states and 16724 transitions. [2022-11-25 23:21:07,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.666666666666666) internal successors, (64), 7 states have internal predecessors, (64), 4 states have call successors, (27), 4 states have call predecessors, (27), 3 states have return successors, (23), 4 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-25 23:21:07,362 INFO L276 IsEmpty]: Start isEmpty. Operand 11605 states and 16724 transitions. [2022-11-25 23:21:07,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-11-25 23:21:07,365 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:21:07,365 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 1] [2022-11-25 23:21:07,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 23:21:07,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-11-25 23:21:07,570 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-25 23:21:07,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:21:07,570 INFO L85 PathProgramCache]: Analyzing trace with hash -1279952250, now seen corresponding path program 1 times [2022-11-25 23:21:07,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:21:07,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349341371] [2022-11-25 23:21:07,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:21:07,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:21:07,726 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:21:07,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [361014525] [2022-11-25 23:21:07,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:21:07,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:21:07,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:21:07,728 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:21:07,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 23:21:09,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:21:09,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 5165 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-25 23:21:09,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:21:10,159 INFO L134 CoverageAnalysis]: Checked inductivity of 615 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 615 trivial. 0 not checked. [2022-11-25 23:21:10,160 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:21:10,160 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:21:10,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349341371] [2022-11-25 23:21:10,160 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:21:10,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [361014525] [2022-11-25 23:21:10,160 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [361014525] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:21:10,161 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:21:10,161 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 23:21:10,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603840902] [2022-11-25 23:21:10,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:21:10,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 23:21:10,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:21:10,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 23:21:10,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-25 23:21:10,163 INFO L87 Difference]: Start difference. First operand 11605 states and 16724 transitions. Second operand has 7 states, 6 states have (on average 10.666666666666666) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (27), 1 states have call predecessors, (27), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-25 23:21:16,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 23:21:21,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 23:21:25,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:21:25,446 INFO L93 Difference]: Finished difference Result 11640 states and 16781 transitions. [2022-11-25 23:21:25,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 23:21:25,447 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.666666666666666) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (27), 1 states have call predecessors, (27), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) Word has length 213 [2022-11-25 23:21:25,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:21:25,499 INFO L225 Difference]: With dead ends: 11640 [2022-11-25 23:21:25,499 INFO L226 Difference]: Without dead ends: 11638 [2022-11-25 23:21:25,510 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-25 23:21:25,511 INFO L413 NwaCegarLoop]: 4554 mSDtfsCounter, 4394 mSDsluCounter, 14792 mSDsCounter, 0 mSdLazyCounter, 7379 mSolverCounterSat, 85 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4507 SdHoareTripleChecker+Valid, 19346 SdHoareTripleChecker+Invalid, 7466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 7379 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:21:25,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4507 Valid, 19346 Invalid, 7466 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [85 Valid, 7379 Invalid, 2 Unknown, 0 Unchecked, 13.1s Time] [2022-11-25 23:21:25,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11638 states. [2022-11-25 23:21:26,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11638 to 11605. [2022-11-25 23:21:26,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11605 states, 6648 states have (on average 1.3076113116726835) internal successors, (8693), 7111 states have internal predecessors, (8693), 3995 states have call successors, (3995), 952 states have call predecessors, (3995), 949 states have return successors, (4033), 3884 states have call predecessors, (4033), 3993 states have call successors, (4033) [2022-11-25 23:21:26,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11605 states to 11605 states and 16721 transitions. [2022-11-25 23:21:26,982 INFO L78 Accepts]: Start accepts. Automaton has 11605 states and 16721 transitions. Word has length 213 [2022-11-25 23:21:26,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:21:26,983 INFO L495 AbstractCegarLoop]: Abstraction has 11605 states and 16721 transitions. [2022-11-25 23:21:26,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.666666666666666) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (27), 1 states have call predecessors, (27), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-25 23:21:26,983 INFO L276 IsEmpty]: Start isEmpty. Operand 11605 states and 16721 transitions. [2022-11-25 23:21:26,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2022-11-25 23:21:26,985 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:21:26,985 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 3, 3, 3, 3, 3, 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] [2022-11-25 23:21:27,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 23:21:27,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2022-11-25 23:21:27,186 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-25 23:21:27,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:21:27,186 INFO L85 PathProgramCache]: Analyzing trace with hash 1068620973, now seen corresponding path program 1 times [2022-11-25 23:21:27,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:21:27,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236280260] [2022-11-25 23:21:27,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:21:27,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:21:27,321 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:21:27,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2072853601] [2022-11-25 23:21:27,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:21:27,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:21:27,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:21:27,323 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:21:27,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 23:21:29,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:21:29,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 5298 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 23:21:29,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:21:29,633 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 690 trivial. 0 not checked. [2022-11-25 23:21:29,633 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:21:29,633 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:21:29,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236280260] [2022-11-25 23:21:29,634 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:21:29,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2072853601] [2022-11-25 23:21:29,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2072853601] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:21:29,634 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:21:29,634 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:21:29,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642329823] [2022-11-25 23:21:29,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:21:29,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:21:29,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:21:29,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:21:29,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:21:29,636 INFO L87 Difference]: Start difference. First operand 11605 states and 16721 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 2 states have internal predecessors, (69), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2022-11-25 23:21:32,691 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 23:21:34,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:21:34,709 INFO L93 Difference]: Finished difference Result 23189 states and 33611 transitions. [2022-11-25 23:21:34,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:21:34,711 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 2 states have internal predecessors, (69), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 235 [2022-11-25 23:21:34,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:21:34,756 INFO L225 Difference]: With dead ends: 23189 [2022-11-25 23:21:34,756 INFO L226 Difference]: Without dead ends: 11591 [2022-11-25 23:21:34,835 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:21:34,836 INFO L413 NwaCegarLoop]: 4189 mSDtfsCounter, 4585 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 515 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4585 SdHoareTripleChecker+Valid, 4189 SdHoareTripleChecker+Invalid, 515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:21:34,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4585 Valid, 4189 Invalid, 515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 515 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-11-25 23:21:34,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11591 states. [2022-11-25 23:21:36,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11591 to 11591. [2022-11-25 23:21:36,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11591 states, 6635 states have (on average 1.306405425772419) internal successors, (8668), 7097 states have internal predecessors, (8668), 3995 states have call successors, (3995), 952 states have call predecessors, (3995), 949 states have return successors, (4033), 3884 states have call predecessors, (4033), 3993 states have call successors, (4033) [2022-11-25 23:21:36,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11591 states to 11591 states and 16696 transitions. [2022-11-25 23:21:36,702 INFO L78 Accepts]: Start accepts. Automaton has 11591 states and 16696 transitions. Word has length 235 [2022-11-25 23:21:36,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:21:36,703 INFO L495 AbstractCegarLoop]: Abstraction has 11591 states and 16696 transitions. [2022-11-25 23:21:36,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 2 states have internal predecessors, (69), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2022-11-25 23:21:36,703 INFO L276 IsEmpty]: Start isEmpty. Operand 11591 states and 16696 transitions. [2022-11-25 23:21:36,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2022-11-25 23:21:36,705 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:21:36,705 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 3, 3, 3, 3, 3, 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] [2022-11-25 23:21:36,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-25 23:21:36,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2022-11-25 23:21:36,906 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-25 23:21:36,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:21:36,906 INFO L85 PathProgramCache]: Analyzing trace with hash 407775015, now seen corresponding path program 1 times [2022-11-25 23:21:36,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:21:36,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924601802] [2022-11-25 23:21:36,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:21:36,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:21:37,044 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:21:37,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [833896665] [2022-11-25 23:21:37,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:21:37,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:21:37,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:21:37,046 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:21:37,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 23:21:38,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:21:38,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 5214 conjuncts, 40 conjunts are in the unsatisfiable core [2022-11-25 23:21:38,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:21:39,252 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 102 proven. 14 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2022-11-25 23:21:39,253 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 23:21:39,715 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 682 trivial. 0 not checked. [2022-11-25 23:21:39,715 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:21:39,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924601802] [2022-11-25 23:21:39,715 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:21:39,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [833896665] [2022-11-25 23:21:39,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [833896665] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-25 23:21:39,716 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 23:21:39,716 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 9 [2022-11-25 23:21:39,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798526239] [2022-11-25 23:21:39,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:21:39,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 23:21:39,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:21:39,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 23:21:39,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-25 23:21:39,718 INFO L87 Difference]: Start difference. First operand 11591 states and 16696 transitions. Second operand has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (33), 4 states have call predecessors, (33), 2 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-25 23:21:43,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 23:21:57,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:21:57,775 INFO L93 Difference]: Finished difference Result 22570 states and 33011 transitions. [2022-11-25 23:21:57,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 23:21:57,776 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (33), 4 states have call predecessors, (33), 2 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 244 [2022-11-25 23:21:57,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:21:57,881 INFO L225 Difference]: With dead ends: 22570 [2022-11-25 23:21:57,881 INFO L226 Difference]: Without dead ends: 22568 [2022-11-25 23:21:57,895 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 490 GetRequests, 479 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2022-11-25 23:21:57,896 INFO L413 NwaCegarLoop]: 4433 mSDtfsCounter, 6812 mSDsluCounter, 10395 mSDsCounter, 0 mSdLazyCounter, 8330 mSolverCounterSat, 785 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7651 SdHoareTripleChecker+Valid, 14828 SdHoareTripleChecker+Invalid, 9116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 785 IncrementalHoareTripleChecker+Valid, 8330 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2022-11-25 23:21:57,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7651 Valid, 14828 Invalid, 9116 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [785 Valid, 8330 Invalid, 1 Unknown, 0 Unchecked, 13.9s Time] [2022-11-25 23:21:57,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22568 states. [2022-11-25 23:22:01,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22568 to 22412. [2022-11-25 23:22:01,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22412 states, 12943 states have (on average 1.3159236653017075) internal successors, (17032), 13847 states have internal predecessors, (17032), 7664 states have call successors, (7664), 1816 states have call predecessors, (7664), 1793 states have return successors, (8142), 7374 states have call predecessors, (8142), 7662 states have call successors, (8142) [2022-11-25 23:22:01,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22412 states to 22412 states and 32838 transitions. [2022-11-25 23:22:01,342 INFO L78 Accepts]: Start accepts. Automaton has 22412 states and 32838 transitions. Word has length 244 [2022-11-25 23:22:01,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:22:01,343 INFO L495 AbstractCegarLoop]: Abstraction has 22412 states and 32838 transitions. [2022-11-25 23:22:01,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (33), 4 states have call predecessors, (33), 2 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-25 23:22:01,343 INFO L276 IsEmpty]: Start isEmpty. Operand 22412 states and 32838 transitions. [2022-11-25 23:22:01,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2022-11-25 23:22:01,345 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:22:01,345 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:22:01,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-25 23:22:01,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2022-11-25 23:22:01,546 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-25 23:22:01,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:22:01,546 INFO L85 PathProgramCache]: Analyzing trace with hash -1549599560, now seen corresponding path program 1 times [2022-11-25 23:22:01,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:22:01,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759871270] [2022-11-25 23:22:01,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:22:01,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:22:01,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:22:02,685 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 668 trivial. 0 not checked. [2022-11-25 23:22:02,685 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:22:02,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759871270] [2022-11-25 23:22:02,685 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759871270] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:22:02,685 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:22:02,686 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 23:22:02,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839323725] [2022-11-25 23:22:02,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:22:02,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 23:22:02,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:22:02,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 23:22:02,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 23:22:02,687 INFO L87 Difference]: Start difference. First operand 22412 states and 32838 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 5 states have internal predecessors, (57), 3 states have call successors, (28), 4 states have call predecessors, (28), 2 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-25 23:22:11,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 23:22:13,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 23:22:19,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 23:22:27,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 23:22:42,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:22:42,408 INFO L93 Difference]: Finished difference Result 50179 states and 79162 transitions. [2022-11-25 23:22:42,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 23:22:42,409 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 5 states have internal predecessors, (57), 3 states have call successors, (28), 4 states have call predecessors, (28), 2 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 207 [2022-11-25 23:22:42,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:22:42,706 INFO L225 Difference]: With dead ends: 50179 [2022-11-25 23:22:42,707 INFO L226 Difference]: Without dead ends: 50177 [2022-11-25 23:22:42,743 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-25 23:22:42,748 INFO L413 NwaCegarLoop]: 2695 mSDtfsCounter, 8220 mSDsluCounter, 7815 mSDsCounter, 0 mSdLazyCounter, 16206 mSolverCounterSat, 4698 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9415 SdHoareTripleChecker+Valid, 10510 SdHoareTripleChecker+Invalid, 20908 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4698 IncrementalHoareTripleChecker+Valid, 16206 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:22:42,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9415 Valid, 10510 Invalid, 20908 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4698 Valid, 16206 Invalid, 4 Unknown, 0 Unchecked, 30.0s Time] [2022-11-25 23:22:42,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50177 states. [2022-11-25 23:22:50,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50177 to 49702. [2022-11-25 23:22:50,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49702 states, 29176 states have (on average 1.332704962983274) internal successors, (38883), 31314 states have internal predecessors, (38883), 17000 states have call successors, (17000), 3389 states have call predecessors, (17000), 3514 states have return successors, (22537), 16323 states have call predecessors, (22537), 16998 states have call successors, (22537) [2022-11-25 23:22:51,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49702 states to 49702 states and 78420 transitions. [2022-11-25 23:22:51,326 INFO L78 Accepts]: Start accepts. Automaton has 49702 states and 78420 transitions. Word has length 207 [2022-11-25 23:22:51,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:22:51,327 INFO L495 AbstractCegarLoop]: Abstraction has 49702 states and 78420 transitions. [2022-11-25 23:22:51,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 5 states have internal predecessors, (57), 3 states have call successors, (28), 4 states have call predecessors, (28), 2 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-25 23:22:51,327 INFO L276 IsEmpty]: Start isEmpty. Operand 49702 states and 78420 transitions. [2022-11-25 23:22:51,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-11-25 23:22:51,330 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:22:51,330 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:22:51,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-25 23:22:51,331 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting cpumask_nextErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-25 23:22:51,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:22:51,331 INFO L85 PathProgramCache]: Analyzing trace with hash 825952215, now seen corresponding path program 1 times [2022-11-25 23:22:51,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:22:51,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359425682] [2022-11-25 23:22:51,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:22:51,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:22:51,441 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:22:51,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1143498305] [2022-11-25 23:22:51,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:22:51,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:22:51,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:22:51,443 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:22:51,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff0bf10-38c3-43ec-a3bf-b800fa6cb63a/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-25 23:22:53,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:22:53,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 5023 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 23:22:53,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:22:53,599 INFO L134 CoverageAnalysis]: Checked inductivity of 555 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2022-11-25 23:22:53,599 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:22:53,600 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:22:53,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359425682] [2022-11-25 23:22:53,600 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 23:22:53,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1143498305] [2022-11-25 23:22:53,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1143498305] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:22:53,601 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:22:53,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:22:53,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945549057] [2022-11-25 23:22:53,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:22:53,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:22:53,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:22:53,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:22:53,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:22:53,603 INFO L87 Difference]: Start difference. First operand 49702 states and 78420 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-25 23:22:59,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-25 23:23:07,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:23:07,270 INFO L93 Difference]: Finished difference Result 92659 states and 144792 transitions. [2022-11-25 23:23:07,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:23:07,270 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 213 [2022-11-25 23:23:07,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:23:07,663 INFO L225 Difference]: With dead ends: 92659 [2022-11-25 23:23:07,664 INFO L226 Difference]: Without dead ends: 42964 [2022-11-25 23:23:08,097 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:23:08,098 INFO L413 NwaCegarLoop]: 4189 mSDtfsCounter, 3 mSDsluCounter, 4186 mSDsCounter, 0 mSdLazyCounter, 1033 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 8375 SdHoareTripleChecker+Invalid, 1033 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1033 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-11-25 23:23:08,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 8375 Invalid, 1033 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1033 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-11-25 23:23:08,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42964 states.