./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--block--skd.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b20f48966671566afed85875d0d94a6951898c9c2a2bdf71b35576aeaa27c268 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 10:19:14,490 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 10:19:14,492 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 10:19:14,503 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 10:19:14,504 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 10:19:14,504 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 10:19:14,505 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 10:19:14,506 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 10:19:14,507 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 10:19:14,507 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 10:19:14,508 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 10:19:14,509 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 10:19:14,509 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 10:19:14,509 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 10:19:14,510 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 10:19:14,511 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 10:19:14,511 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 10:19:14,512 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 10:19:14,513 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 10:19:14,514 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 10:19:14,515 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 10:19:14,516 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 10:19:14,516 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 10:19:14,517 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 10:19:14,518 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 10:19:14,519 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 10:19:14,519 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 10:19:14,519 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 10:19:14,520 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 10:19:14,520 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 10:19:14,521 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 10:19:14,521 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 10:19:14,521 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 10:19:14,522 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 10:19:14,523 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 10:19:14,523 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 10:19:14,523 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 10:19:14,523 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 10:19:14,523 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 10:19:14,524 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 10:19:14,524 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 10:19:14,525 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 10:19:14,537 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 10:19:14,538 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 10:19:14,538 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 10:19:14,538 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 10:19:14,538 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 10:19:14,538 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 10:19:14,539 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 10:19:14,539 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 10:19:14,539 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 10:19:14,539 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 10:19:14,539 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 10:19:14,547 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 10:19:14,547 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 10:19:14,547 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 10:19:14,547 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 10:19:14,548 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 10:19:14,548 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 10:19:14,548 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 10:19:14,549 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 10:19:14,549 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 10:19:14,549 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 10:19:14,549 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 10:19:14,549 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 10:19:14,549 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 10:19:14,550 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 10:19:14,550 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 10:19:14,550 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 10:19:14,550 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 10:19:14,550 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 10:19:14,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 10:19:14,551 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 10:19:14,551 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 10:19:14,551 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 10:19:14,551 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 10:19:14,551 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 10:19:14,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 10:19:14,552 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 10:19:14,552 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 10:19:14,552 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_399a8df6-ff25-46f4-b417-7894fd94bda6/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b20f48966671566afed85875d0d94a6951898c9c2a2bdf71b35576aeaa27c268 [2022-12-14 10:19:14,747 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 10:19:14,764 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 10:19:14,766 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 10:19:14,767 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 10:19:14,767 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 10:19:14,768 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i [2022-12-14 10:19:17,304 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 10:19:17,748 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 10:19:17,749 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i [2022-12-14 10:19:17,780 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/bin/utaipan-gh47qXpMRh/data/08462c92c/7da6e246a9f2493f8cb51eb0088757bb/FLAGab3fcda1d [2022-12-14 10:19:17,873 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/bin/utaipan-gh47qXpMRh/data/08462c92c/7da6e246a9f2493f8cb51eb0088757bb [2022-12-14 10:19:17,875 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 10:19:17,876 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 10:19:17,877 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 10:19:17,877 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 10:19:17,880 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 10:19:17,881 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:19:17" (1/1) ... [2022-12-14 10:19:17,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f212ed9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:19:17, skipping insertion in model container [2022-12-14 10:19:17,882 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:19:17" (1/1) ... [2022-12-14 10:19:17,887 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 10:19:18,045 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 10:19:18,768 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 10:19:18,918 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 10:19:18,947 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 10:19:18,957 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 10:19:18,967 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 10:19:19,044 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 10:19:19,148 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_word [2022-12-14 10:19:19,187 WARN L623 FunctionHandler]: Unknown extern function __pci_enable_wake [2022-12-14 10:19:19,232 WARN L623 FunctionHandler]: Unknown extern function pci_enable_msix_range [2022-12-14 10:19:19,320 WARN L623 FunctionHandler]: Unknown extern function sg_next [2022-12-14 10:19:19,323 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_sg [2022-12-14 10:19:19,330 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_sg [2022-12-14 10:19:19,336 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_sg_for_cpu [2022-12-14 10:19:19,364 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-14 10:19:19,370 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 10:19:19,371 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-14 10:19:19,377 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-12-14 10:19:19,416 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-14 10:19:19,517 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 10:19:19,540 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 10:19:19,557 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 10:19:19,558 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 10:19:19,558 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 10:19:19,559 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-14 10:19:19,566 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 10:19:19,567 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 10:19:19,684 WARN L623 FunctionHandler]: Unknown extern function devm_request_threaded_irq [2022-12-14 10:19:19,737 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:19,746 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:19,755 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:19,842 WARN L623 FunctionHandler]: Unknown extern function blk_peek_request [2022-12-14 10:19:19,843 WARN L623 FunctionHandler]: Unknown extern function blk_start_request [2022-12-14 10:19:19,843 WARN L623 FunctionHandler]: Unknown extern function __blk_end_request_all [2022-12-14 10:19:19,863 WARN L623 FunctionHandler]: Unknown extern function blk_add_request_payload [2022-12-14 10:19:19,870 WARN L623 FunctionHandler]: Unknown extern function blk_peek_request [2022-12-14 10:19:19,874 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:19,876 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:19,878 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:19,878 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:19,879 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:19,881 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:19,882 WARN L623 FunctionHandler]: Unknown extern function blk_start_request [2022-12-14 10:19:19,884 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:19,885 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:19,885 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:19,888 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:19,890 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:19,892 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:19,895 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:19,898 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:19,900 WARN L623 FunctionHandler]: Unknown extern function blk_stop_queue [2022-12-14 10:19:19,903 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:19,904 WARN L623 FunctionHandler]: Unknown extern function __free_pages [2022-12-14 10:19:19,906 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:19,907 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:19,908 WARN L623 FunctionHandler]: Unknown extern function __blk_end_request_all [2022-12-14 10:19:19,909 WARN L623 FunctionHandler]: Unknown extern function blk_rq_map_sg [2022-12-14 10:19:19,910 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:19,914 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:19,916 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:19,919 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:19,938 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:19,939 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:19,939 WARN L623 FunctionHandler]: Unknown extern function blk_stop_queue [2022-12-14 10:19:19,944 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:19,946 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:19,948 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:19,950 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:19,950 WARN L623 FunctionHandler]: Unknown extern function blk_start_queue [2022-12-14 10:19:19,950 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 10:19:19,952 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:19,954 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:19,955 WARN L623 FunctionHandler]: Unknown extern function blk_start_queue [2022-12-14 10:19:19,956 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:19,956 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:19,957 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 10:19:19,957 WARN L623 FunctionHandler]: Unknown extern function blk_start_queue [2022-12-14 10:19:19,957 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 10:19:19,964 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 10:19:19,964 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 10:19:19,965 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,029 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,030 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 10:19:20,031 WARN L623 FunctionHandler]: Unknown extern function scsi_cmd_ioctl [2022-12-14 10:19:20,033 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,036 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,038 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:19:20,041 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,043 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,045 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,047 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,048 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,050 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,052 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,054 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,056 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,058 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,060 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,062 WARN L623 FunctionHandler]: Unknown extern function iov_shorten [2022-12-14 10:19:20,064 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,069 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,069 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 10:19:20,070 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-14 10:19:20,070 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 10:19:20,071 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-14 10:19:20,072 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-14 10:19:20,072 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 10:19:20,074 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,083 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,085 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,093 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 10:19:20,093 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-14 10:19:20,094 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 10:19:20,095 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-14 10:19:20,096 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-14 10:19:20,096 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 10:19:20,097 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,100 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,101 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,104 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,106 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,108 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,123 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,145 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,151 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,153 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,156 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,157 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,159 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,160 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,161 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,162 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,163 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,165 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,168 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,170 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,172 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,174 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,175 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 10:19:20,177 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,178 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,180 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,183 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,186 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,187 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,200 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,202 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,204 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,205 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,206 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,213 WARN L623 FunctionHandler]: Unknown extern function blk_requeue_request [2022-12-14 10:19:20,213 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,215 WARN L623 FunctionHandler]: Unknown extern function blk_requeue_request [2022-12-14 10:19:20,222 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,223 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,223 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,224 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,225 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,241 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,249 WARN L623 FunctionHandler]: Unknown extern function pci_find_capability [2022-12-14 10:19:20,257 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,283 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,284 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,285 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,286 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,287 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,288 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,289 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,294 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,295 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 10:19:20,298 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,301 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,301 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,303 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 10:19:20,304 WARN L623 FunctionHandler]: Unknown extern function __free_pages [2022-12-14 10:19:20,305 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,305 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 10:19:20,329 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,337 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,343 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,344 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,346 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,347 WARN L623 FunctionHandler]: Unknown extern function blk_start_queue [2022-12-14 10:19:20,349 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,349 WARN L623 FunctionHandler]: Unknown extern function blk_start_queue [2022-12-14 10:19:20,350 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,350 WARN L623 FunctionHandler]: Unknown extern function blk_start_queue [2022-12-14 10:19:20,351 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,353 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,353 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,354 WARN L623 FunctionHandler]: Unknown extern function blk_requeue_request [2022-12-14 10:19:20,356 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,357 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,358 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,359 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,360 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,361 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,361 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,362 WARN L623 FunctionHandler]: Unknown extern function get_seconds [2022-12-14 10:19:20,363 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,364 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,371 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,371 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,373 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,379 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,380 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,381 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,381 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,382 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,382 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,382 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,383 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,383 WARN L623 FunctionHandler]: Unknown extern function blk_start_queue [2022-12-14 10:19:20,383 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 10:19:20,384 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,384 WARN L623 FunctionHandler]: Unknown extern function blk_start_queue [2022-12-14 10:19:20,384 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 10:19:20,385 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,385 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,386 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,386 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,387 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,388 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,394 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,394 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,395 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-14 10:19:20,395 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-14 10:19:20,396 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-14 10:19:20,396 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 10:19:20,396 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,396 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,397 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,398 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 10:19:20,398 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 10:19:20,398 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-14 10:19:20,398 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,399 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,401 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,401 WARN L623 FunctionHandler]: Unknown extern function blk_stop_queue [2022-12-14 10:19:20,402 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,404 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,405 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,407 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,408 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,408 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,409 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,409 WARN L623 FunctionHandler]: Unknown extern function blk_start_queue [2022-12-14 10:19:20,409 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 10:19:20,410 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,417 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,417 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,423 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,430 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,436 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,443 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,451 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:19:20,451 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msix [2022-12-14 10:19:20,457 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,458 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,459 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,462 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,464 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,464 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:19:20,470 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,471 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,471 WARN L623 FunctionHandler]: Unknown extern function pci_enable_msi_range [2022-12-14 10:19:20,472 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-12-14 10:19:20,472 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,472 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,472 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,473 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,473 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,473 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,480 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-12-14 10:19:20,480 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,487 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,494 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,508 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,510 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,511 WARN L623 FunctionHandler]: Unknown extern function sg_init_table [2022-12-14 10:19:20,518 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,532 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 10:19:20,533 WARN L623 FunctionHandler]: Unknown extern function blk_queue_flush [2022-12-14 10:19:20,533 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segments [2022-12-14 10:19:20,534 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_hw_sectors [2022-12-14 10:19:20,534 WARN L623 FunctionHandler]: Unknown extern function blk_queue_io_opt [2022-12-14 10:19:20,535 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,535 WARN L623 FunctionHandler]: Unknown extern function blk_stop_queue [2022-12-14 10:19:20,543 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,543 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 10:19:20,544 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 10:19:20,544 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 10:19:20,544 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 10:19:20,545 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,546 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,546 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,547 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,547 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,548 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,549 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,549 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,561 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:19:20,573 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:19:20,573 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:19:20,580 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:19:20,581 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:19:20,596 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,597 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,597 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,598 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,598 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,599 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,600 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,600 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:19:20,607 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,613 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,620 WARN L623 FunctionHandler]: Unknown extern function pci_find_capability [2022-12-14 10:19:20,620 WARN L623 FunctionHandler]: Unknown extern function strcat [2022-12-14 10:19:20,621 WARN L623 FunctionHandler]: Unknown extern function strcat [2022-12-14 10:19:20,621 WARN L623 FunctionHandler]: Unknown extern function strcat [2022-12-14 10:19:20,621 WARN L623 FunctionHandler]: Unknown extern function strcat [2022-12-14 10:19:20,627 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,627 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,628 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 10:19:20,628 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-14 10:19:20,629 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,629 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,629 WARN L623 FunctionHandler]: Unknown extern function register_blkdev [2022-12-14 10:19:20,630 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,630 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 10:19:20,630 WARN L623 FunctionHandler]: Unknown extern function pci_enable_pcie_error_reporting [2022-12-14 10:19:20,630 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,641 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,642 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,643 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,643 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 10:19:20,643 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-14 10:19:20,644 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-14 10:19:20,645 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-14 10:19:20,645 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 10:19:20,646 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,647 WARN L623 FunctionHandler]: Unknown extern function pci_disable_pcie_error_reporting [2022-12-14 10:19:20,647 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 10:19:20,647 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 10:19:20,655 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,656 WARN L623 FunctionHandler]: Unknown extern function pci_disable_pcie_error_reporting [2022-12-14 10:19:20,656 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 10:19:20,656 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 10:19:20,664 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,665 WARN L623 FunctionHandler]: Unknown extern function pci_disable_pcie_error_reporting [2022-12-14 10:19:20,665 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 10:19:20,665 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-14 10:19:20,665 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 10:19:20,666 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-12-14 10:19:20,666 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 10:19:20,673 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,674 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 10:19:20,674 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-12-14 10:19:20,674 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 10:19:20,675 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-14 10:19:20,675 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,676 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,676 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 10:19:20,676 WARN L623 FunctionHandler]: Unknown extern function pci_enable_pcie_error_reporting [2022-12-14 10:19:20,676 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,678 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,679 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,680 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,681 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 10:19:20,682 WARN L623 FunctionHandler]: Unknown extern function pci_disable_pcie_error_reporting [2022-12-14 10:19:20,682 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 10:19:20,682 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 10:19:20,689 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,690 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,690 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,714 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,715 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,716 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,717 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,719 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,720 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,722 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,723 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,724 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,725 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,727 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:20,734 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,734 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,735 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,735 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,736 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,736 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,736 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,737 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,743 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:20,743 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-12-14 10:19:20,985 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 10:19:20,986 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 10:19:20,986 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 10:19:20,987 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 10:19:20,987 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 10:19:20,988 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 10:19:20,988 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 10:19:20,988 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 10:19:20,989 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 10:19:20,989 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 10:19:20,990 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 10:19:20,990 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 10:19:20,990 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 10:19:20,991 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 10:19:20,991 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 10:19:20,991 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 10:19:20,992 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 10:19:20,992 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 10:19:20,992 WARN L623 FunctionHandler]: Unknown extern function devm_free_irq [2022-12-14 10:19:20,993 WARN L623 FunctionHandler]: Unknown extern function devm_free_irq [2022-12-14 10:19:20,993 WARN L623 FunctionHandler]: Unknown extern function devm_free_irq [2022-12-14 10:19:20,994 WARN L623 FunctionHandler]: Unknown extern function alloc_disk [2022-12-14 10:19:20,994 WARN L623 FunctionHandler]: Unknown extern function blk_init_queue [2022-12-14 10:19:20,995 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 10:19:20,995 WARN L623 FunctionHandler]: Unknown extern function del_gendisk [2022-12-14 10:19:20,995 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-12-14 10:19:20,995 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-12-14 10:19:20,995 WARN L623 FunctionHandler]: Unknown extern function add_disk [2022-12-14 10:19:20,996 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 10:19:20,996 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 10:19:20,997 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 10:19:21,547 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 10:19:21,791 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:19:22,340 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[580060,580073] [2022-12-14 10:19:22,345 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[580205,580218] [2022-12-14 10:19:22,345 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[580351,580364] [2022-12-14 10:19:22,346 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[580516,580529] [2022-12-14 10:19:22,347 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[580674,580687] [2022-12-14 10:19:22,347 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[580832,580845] [2022-12-14 10:19:22,347 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[580990,581003] [2022-12-14 10:19:22,348 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[581150,581163] [2022-12-14 10:19:22,348 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[581309,581322] [2022-12-14 10:19:22,348 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[581448,581461] [2022-12-14 10:19:22,349 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[581590,581603] [2022-12-14 10:19:22,349 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[581739,581752] [2022-12-14 10:19:22,349 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[581878,581891] [2022-12-14 10:19:22,350 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[582033,582046] [2022-12-14 10:19:22,350 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[582193,582206] [2022-12-14 10:19:22,350 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[582344,582357] [2022-12-14 10:19:22,351 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[582495,582508] [2022-12-14 10:19:22,351 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[582647,582660] [2022-12-14 10:19:22,351 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[582796,582809] [2022-12-14 10:19:22,352 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[582944,582957] [2022-12-14 10:19:22,352 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[583101,583114] [2022-12-14 10:19:22,352 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[583250,583263] [2022-12-14 10:19:22,353 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[583406,583419] [2022-12-14 10:19:22,353 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[583559,583572] [2022-12-14 10:19:22,354 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[583705,583718] [2022-12-14 10:19:22,354 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[583848,583861] [2022-12-14 10:19:22,354 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[584000,584013] [2022-12-14 10:19:22,355 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[584146,584159] [2022-12-14 10:19:22,355 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[584291,584304] [2022-12-14 10:19:22,355 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[584445,584458] [2022-12-14 10:19:22,356 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[584596,584609] [2022-12-14 10:19:22,356 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[584751,584764] [2022-12-14 10:19:22,356 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[584903,584916] [2022-12-14 10:19:22,357 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[585058,585071] [2022-12-14 10:19:22,357 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[585222,585235] [2022-12-14 10:19:22,357 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[585378,585391] [2022-12-14 10:19:22,358 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[585542,585555] [2022-12-14 10:19:22,358 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[585684,585697] [2022-12-14 10:19:22,358 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[585842,585855] [2022-12-14 10:19:22,359 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[586009,586022] [2022-12-14 10:19:22,359 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[586168,586181] [2022-12-14 10:19:22,359 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[586327,586340] [2022-12-14 10:19:22,360 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[586476,586489] [2022-12-14 10:19:22,360 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[586623,586636] [2022-12-14 10:19:22,360 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[586762,586775] [2022-12-14 10:19:22,361 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[586925,586938] [2022-12-14 10:19:22,361 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[587091,587104] [2022-12-14 10:19:22,361 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[587255,587268] [2022-12-14 10:19:22,362 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[587420,587433] [2022-12-14 10:19:22,362 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[587585,587598] [2022-12-14 10:19:22,362 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[587751,587764] [2022-12-14 10:19:22,363 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[587916,587929] [2022-12-14 10:19:22,363 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[588083,588096] [2022-12-14 10:19:22,363 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[588243,588256] [2022-12-14 10:19:22,364 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[588405,588418] [2022-12-14 10:19:22,364 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[588564,588577] [2022-12-14 10:19:22,364 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[588710,588723] [2022-12-14 10:19:22,365 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[588853,588866] [2022-12-14 10:19:22,365 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[588997,589010] [2022-12-14 10:19:22,365 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[589140,589153] [2022-12-14 10:19:22,366 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[589284,589297] [2022-12-14 10:19:22,366 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[589425,589438] [2022-12-14 10:19:22,366 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[589563,589576] [2022-12-14 10:19:22,367 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[589721,589734] [2022-12-14 10:19:22,367 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[589880,589893] [2022-12-14 10:19:22,367 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[590036,590049] [2022-12-14 10:19:22,368 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[590185,590198] [2022-12-14 10:19:22,368 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[590337,590350] [2022-12-14 10:19:22,368 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_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[590488,590501] [2022-12-14 10:19:22,369 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[590637,590650] [2022-12-14 10:19:22,369 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[590789,590802] [2022-12-14 10:19:22,369 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[590937,590950] [2022-12-14 10:19:22,370 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[591090,591103] [2022-12-14 10:19:22,370 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[591241,591254] [2022-12-14 10:19:22,370 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[591391,591404] [2022-12-14 10:19:22,371 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[591538,591551] [2022-12-14 10:19:22,371 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[591689,591702] [2022-12-14 10:19:22,371 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[591840,591853] [2022-12-14 10:19:22,372 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[591988,592001] [2022-12-14 10:19:22,372 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[592154,592167] [2022-12-14 10:19:22,372 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[592323,592336] [2022-12-14 10:19:22,373 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[592490,592503] [2022-12-14 10:19:22,373 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[592658,592671] [2022-12-14 10:19:22,373 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[592808,592821] [2022-12-14 10:19:22,374 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[592955,592968] [2022-12-14 10:19:22,374 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[593116,593129] [2022-12-14 10:19:22,374 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[593286,593299] [2022-12-14 10:19:22,374 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[593448,593461] [2022-12-14 10:19:22,391 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 10:19:22,412 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 10:19:22,482 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 10:19:22,483 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 10:19:22,484 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 10:19:22,484 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 10:19:22,484 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 10:19:22,485 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 10:19:22,486 WARN L623 FunctionHandler]: Unknown extern function pci_bus_read_config_word [2022-12-14 10:19:22,487 WARN L623 FunctionHandler]: Unknown extern function __pci_enable_wake [2022-12-14 10:19:22,487 WARN L623 FunctionHandler]: Unknown extern function pci_enable_msix_range [2022-12-14 10:19:22,492 WARN L623 FunctionHandler]: Unknown extern function sg_next [2022-12-14 10:19:22,492 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_sg [2022-12-14 10:19:22,493 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_sg [2022-12-14 10:19:22,494 WARN L623 FunctionHandler]: Unknown extern function debug_dma_sync_sg_for_cpu [2022-12-14 10:19:22,496 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-14 10:19:22,496 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 10:19:22,496 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-14 10:19:22,497 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-12-14 10:19:22,498 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-14 10:19:22,500 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 10:19:22,501 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 10:19:22,501 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 10:19:22,501 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 10:19:22,502 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 10:19:22,502 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-14 10:19:22,502 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 10:19:22,503 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 10:19:22,504 WARN L623 FunctionHandler]: Unknown extern function devm_request_threaded_irq [2022-12-14 10:19:22,507 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,508 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,509 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,510 WARN L623 FunctionHandler]: Unknown extern function blk_peek_request [2022-12-14 10:19:22,510 WARN L623 FunctionHandler]: Unknown extern function blk_start_request [2022-12-14 10:19:22,510 WARN L623 FunctionHandler]: Unknown extern function __blk_end_request_all [2022-12-14 10:19:22,512 WARN L623 FunctionHandler]: Unknown extern function blk_add_request_payload [2022-12-14 10:19:22,513 WARN L623 FunctionHandler]: Unknown extern function blk_peek_request [2022-12-14 10:19:22,514 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,515 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,515 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,516 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,516 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,517 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,517 WARN L623 FunctionHandler]: Unknown extern function blk_start_request [2022-12-14 10:19:22,517 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,518 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,518 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,519 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,520 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,520 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,533 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,534 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,535 WARN L623 FunctionHandler]: Unknown extern function blk_stop_queue [2022-12-14 10:19:22,536 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,536 WARN L623 FunctionHandler]: Unknown extern function __free_pages [2022-12-14 10:19:22,537 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,537 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,538 WARN L623 FunctionHandler]: Unknown extern function __blk_end_request_all [2022-12-14 10:19:22,538 WARN L623 FunctionHandler]: Unknown extern function blk_rq_map_sg [2022-12-14 10:19:22,539 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,540 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,541 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,542 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,544 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,544 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,545 WARN L623 FunctionHandler]: Unknown extern function blk_stop_queue [2022-12-14 10:19:22,546 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,547 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,547 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,548 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,548 WARN L623 FunctionHandler]: Unknown extern function blk_start_queue [2022-12-14 10:19:22,548 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 10:19:22,549 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,549 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,549 WARN L623 FunctionHandler]: Unknown extern function blk_start_queue [2022-12-14 10:19:22,550 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,550 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,550 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 10:19:22,550 WARN L623 FunctionHandler]: Unknown extern function blk_start_queue [2022-12-14 10:19:22,551 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 10:19:22,551 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 10:19:22,551 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 10:19:22,552 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,553 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,554 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 10:19:22,554 WARN L623 FunctionHandler]: Unknown extern function scsi_cmd_ioctl [2022-12-14 10:19:22,556 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,557 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,558 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:19:22,560 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,560 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,561 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,562 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,562 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,563 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,564 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,564 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,565 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,566 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,567 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,568 WARN L623 FunctionHandler]: Unknown extern function iov_shorten [2022-12-14 10:19:22,569 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,570 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,571 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 10:19:22,571 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-14 10:19:22,571 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 10:19:22,571 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-14 10:19:22,572 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-14 10:19:22,572 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 10:19:22,573 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,575 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,575 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,579 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 10:19:22,579 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-14 10:19:22,579 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 10:19:22,580 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-14 10:19:22,580 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-14 10:19:22,580 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 10:19:22,581 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,582 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,582 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,584 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,585 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,585 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,587 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,589 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,590 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,591 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,592 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,593 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,593 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,594 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,594 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,595 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,595 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,596 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,597 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,598 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,598 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,599 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,600 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 10:19:22,601 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,601 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,602 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,604 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,605 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,606 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,607 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,608 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,609 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,609 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,610 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,611 WARN L623 FunctionHandler]: Unknown extern function blk_requeue_request [2022-12-14 10:19:22,611 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,611 WARN L623 FunctionHandler]: Unknown extern function blk_requeue_request [2022-12-14 10:19:22,612 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,612 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,612 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,613 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,613 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,615 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,617 WARN L623 FunctionHandler]: Unknown extern function pci_find_capability [2022-12-14 10:19:22,619 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,622 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,623 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,624 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,625 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,625 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,625 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,626 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,627 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,628 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 10:19:22,629 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,630 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,631 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,632 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 10:19:22,632 WARN L623 FunctionHandler]: Unknown extern function __free_pages [2022-12-14 10:19:22,634 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,634 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 10:19:22,635 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,637 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,637 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,637 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,639 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,639 WARN L623 FunctionHandler]: Unknown extern function blk_start_queue [2022-12-14 10:19:22,639 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,651 WARN L623 FunctionHandler]: Unknown extern function blk_start_queue [2022-12-14 10:19:22,651 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,651 WARN L623 FunctionHandler]: Unknown extern function blk_start_queue [2022-12-14 10:19:22,651 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,652 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,653 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,653 WARN L623 FunctionHandler]: Unknown extern function blk_requeue_request [2022-12-14 10:19:22,656 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,657 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,657 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,659 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,659 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,659 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,660 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,660 WARN L623 FunctionHandler]: Unknown extern function get_seconds [2022-12-14 10:19:22,661 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,661 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,662 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,662 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,663 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,664 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,665 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,665 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,665 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,665 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,666 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,666 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,666 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,666 WARN L623 FunctionHandler]: Unknown extern function blk_start_queue [2022-12-14 10:19:22,667 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 10:19:22,667 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,667 WARN L623 FunctionHandler]: Unknown extern function blk_start_queue [2022-12-14 10:19:22,667 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 10:19:22,667 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,668 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,668 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,669 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,669 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,670 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,671 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,671 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,671 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-14 10:19:22,671 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-14 10:19:22,672 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-14 10:19:22,672 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 10:19:22,672 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,672 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,672 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,673 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 10:19:22,673 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 10:19:22,673 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-14 10:19:22,673 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,674 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,675 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,675 WARN L623 FunctionHandler]: Unknown extern function blk_stop_queue [2022-12-14 10:19:22,676 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,677 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,677 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,678 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,678 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,679 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,679 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,679 WARN L623 FunctionHandler]: Unknown extern function blk_start_queue [2022-12-14 10:19:22,679 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 10:19:22,680 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,681 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,681 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,682 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,682 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,683 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,684 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,686 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:19:22,686 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msix [2022-12-14 10:19:22,688 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,689 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,690 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,692 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,692 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,693 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:19:22,693 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,694 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,694 WARN L623 FunctionHandler]: Unknown extern function pci_enable_msi_range [2022-12-14 10:19:22,694 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-12-14 10:19:22,694 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,694 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,695 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,695 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,695 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,695 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,696 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-12-14 10:19:22,696 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,697 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,698 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,700 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,701 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,702 WARN L623 FunctionHandler]: Unknown extern function sg_init_table [2022-12-14 10:19:22,703 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,707 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 10:19:22,708 WARN L623 FunctionHandler]: Unknown extern function blk_queue_flush [2022-12-14 10:19:22,708 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segments [2022-12-14 10:19:22,708 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_hw_sectors [2022-12-14 10:19:22,708 WARN L623 FunctionHandler]: Unknown extern function blk_queue_io_opt [2022-12-14 10:19:22,709 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,709 WARN L623 FunctionHandler]: Unknown extern function blk_stop_queue [2022-12-14 10:19:22,710 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,710 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 10:19:22,711 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 10:19:22,711 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 10:19:22,711 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 10:19:22,712 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,712 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,713 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,713 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,713 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,714 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,714 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,715 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,716 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:19:22,717 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:19:22,717 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:19:22,718 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:19:22,718 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:19:22,720 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,720 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,721 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,721 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,722 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,737 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,738 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,738 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:19:22,739 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,740 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,741 WARN L623 FunctionHandler]: Unknown extern function pci_find_capability [2022-12-14 10:19:22,741 WARN L623 FunctionHandler]: Unknown extern function strcat [2022-12-14 10:19:22,741 WARN L623 FunctionHandler]: Unknown extern function strcat [2022-12-14 10:19:22,741 WARN L623 FunctionHandler]: Unknown extern function strcat [2022-12-14 10:19:22,742 WARN L623 FunctionHandler]: Unknown extern function strcat [2022-12-14 10:19:22,742 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,743 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,743 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 10:19:22,743 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-14 10:19:22,744 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,744 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,744 WARN L623 FunctionHandler]: Unknown extern function register_blkdev [2022-12-14 10:19:22,744 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,745 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 10:19:22,745 WARN L623 FunctionHandler]: Unknown extern function pci_enable_pcie_error_reporting [2022-12-14 10:19:22,745 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,746 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,746 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,747 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,747 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 10:19:22,747 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-14 10:19:22,747 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-14 10:19:22,748 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-14 10:19:22,748 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 10:19:22,748 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,749 WARN L623 FunctionHandler]: Unknown extern function pci_disable_pcie_error_reporting [2022-12-14 10:19:22,749 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 10:19:22,749 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 10:19:22,750 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,750 WARN L623 FunctionHandler]: Unknown extern function pci_disable_pcie_error_reporting [2022-12-14 10:19:22,750 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 10:19:22,750 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 10:19:22,751 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,751 WARN L623 FunctionHandler]: Unknown extern function pci_disable_pcie_error_reporting [2022-12-14 10:19:22,751 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 10:19:22,752 WARN L623 FunctionHandler]: Unknown extern function pci_save_state [2022-12-14 10:19:22,752 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 10:19:22,752 WARN L623 FunctionHandler]: Unknown extern function pci_choose_state [2022-12-14 10:19:22,752 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 10:19:22,753 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,753 WARN L623 FunctionHandler]: Unknown extern function pci_set_power_state [2022-12-14 10:19:22,753 WARN L623 FunctionHandler]: Unknown extern function pci_restore_state [2022-12-14 10:19:22,753 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 10:19:22,753 WARN L623 FunctionHandler]: Unknown extern function pci_request_regions [2022-12-14 10:19:22,753 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,754 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,754 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 10:19:22,754 WARN L623 FunctionHandler]: Unknown extern function pci_enable_pcie_error_reporting [2022-12-14 10:19:22,754 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,755 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,755 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,756 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,756 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 10:19:22,756 WARN L623 FunctionHandler]: Unknown extern function pci_disable_pcie_error_reporting [2022-12-14 10:19:22,756 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 10:19:22,757 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 10:19:22,757 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,757 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,757 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,762 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,762 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,763 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,763 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,764 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,765 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,766 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,766 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,767 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,767 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,768 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 10:19:22,768 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,769 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,769 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,769 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,769 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,769 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,770 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,770 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,770 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 10:19:22,771 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-12-14 10:19:22,783 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 10:19:22,783 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 10:19:22,784 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 10:19:22,784 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 10:19:22,784 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 10:19:22,784 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 10:19:22,785 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 10:19:22,785 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 10:19:22,785 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 10:19:22,785 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 10:19:22,785 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 10:19:22,785 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 10:19:22,786 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 10:19:22,786 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 10:19:22,786 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 10:19:22,786 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 10:19:22,786 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 10:19:22,786 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 10:19:22,786 WARN L623 FunctionHandler]: Unknown extern function devm_free_irq [2022-12-14 10:19:22,787 WARN L623 FunctionHandler]: Unknown extern function devm_free_irq [2022-12-14 10:19:22,787 WARN L623 FunctionHandler]: Unknown extern function devm_free_irq [2022-12-14 10:19:22,787 WARN L623 FunctionHandler]: Unknown extern function alloc_disk [2022-12-14 10:19:22,787 WARN L623 FunctionHandler]: Unknown extern function blk_init_queue [2022-12-14 10:19:22,788 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 10:19:22,788 WARN L623 FunctionHandler]: Unknown extern function del_gendisk [2022-12-14 10:19:22,788 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-12-14 10:19:22,788 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-12-14 10:19:22,788 WARN L623 FunctionHandler]: Unknown extern function add_disk [2022-12-14 10:19:22,789 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 10:19:22,789 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 10:19:22,789 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 10:19:22,800 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 10:19:22,806 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:19:22,820 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[580060,580073] [2022-12-14 10:19:22,820 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[580205,580218] [2022-12-14 10:19:22,820 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[580351,580364] [2022-12-14 10:19:22,821 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[580516,580529] [2022-12-14 10:19:22,821 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[580674,580687] [2022-12-14 10:19:22,821 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[580832,580845] [2022-12-14 10:19:22,821 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[580990,581003] [2022-12-14 10:19:22,821 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[581150,581163] [2022-12-14 10:19:22,822 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[581309,581322] [2022-12-14 10:19:22,822 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[581448,581461] [2022-12-14 10:19:22,822 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[581590,581603] [2022-12-14 10:19:22,822 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[581739,581752] [2022-12-14 10:19:22,822 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[581878,581891] [2022-12-14 10:19:22,823 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[582033,582046] [2022-12-14 10:19:22,823 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[582193,582206] [2022-12-14 10:19:22,823 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[582344,582357] [2022-12-14 10:19:22,823 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[582495,582508] [2022-12-14 10:19:22,823 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[582647,582660] [2022-12-14 10:19:22,824 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[582796,582809] [2022-12-14 10:19:22,824 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[582944,582957] [2022-12-14 10:19:22,824 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[583101,583114] [2022-12-14 10:19:22,824 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[583250,583263] [2022-12-14 10:19:22,824 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[583406,583419] [2022-12-14 10:19:22,825 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[583559,583572] [2022-12-14 10:19:22,825 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[583705,583718] [2022-12-14 10:19:22,825 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[583848,583861] [2022-12-14 10:19:22,825 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[584000,584013] [2022-12-14 10:19:22,825 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[584146,584159] [2022-12-14 10:19:22,826 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[584291,584304] [2022-12-14 10:19:22,826 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[584445,584458] [2022-12-14 10:19:22,826 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[584596,584609] [2022-12-14 10:19:22,826 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[584751,584764] [2022-12-14 10:19:22,826 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[584903,584916] [2022-12-14 10:19:22,827 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[585058,585071] [2022-12-14 10:19:22,827 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[585222,585235] [2022-12-14 10:19:22,827 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[585378,585391] [2022-12-14 10:19:22,827 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[585542,585555] [2022-12-14 10:19:22,827 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[585684,585697] [2022-12-14 10:19:22,828 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[585842,585855] [2022-12-14 10:19:22,828 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[586009,586022] [2022-12-14 10:19:22,828 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[586168,586181] [2022-12-14 10:19:22,828 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[586327,586340] [2022-12-14 10:19:22,829 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[586476,586489] [2022-12-14 10:19:22,829 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[586623,586636] [2022-12-14 10:19:22,829 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[586762,586775] [2022-12-14 10:19:22,829 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[586925,586938] [2022-12-14 10:19:22,829 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[587091,587104] [2022-12-14 10:19:22,830 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[587255,587268] [2022-12-14 10:19:22,830 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[587420,587433] [2022-12-14 10:19:22,830 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[587585,587598] [2022-12-14 10:19:22,830 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[587751,587764] [2022-12-14 10:19:22,830 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[587916,587929] [2022-12-14 10:19:22,831 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[588083,588096] [2022-12-14 10:19:22,831 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[588243,588256] [2022-12-14 10:19:22,831 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[588405,588418] [2022-12-14 10:19:22,831 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[588564,588577] [2022-12-14 10:19:22,831 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[588710,588723] [2022-12-14 10:19:22,832 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[588853,588866] [2022-12-14 10:19:22,832 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[588997,589010] [2022-12-14 10:19:22,846 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[589140,589153] [2022-12-14 10:19:22,846 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[589284,589297] [2022-12-14 10:19:22,846 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[589425,589438] [2022-12-14 10:19:22,847 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[589563,589576] [2022-12-14 10:19:22,847 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[589721,589734] [2022-12-14 10:19:22,847 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[589880,589893] [2022-12-14 10:19:22,848 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[590036,590049] [2022-12-14 10:19:22,848 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[590185,590198] [2022-12-14 10:19:22,848 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[590337,590350] [2022-12-14 10:19:22,848 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[590488,590501] [2022-12-14 10:19:22,849 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[590637,590650] [2022-12-14 10:19:22,849 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[590789,590802] [2022-12-14 10:19:22,849 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[590937,590950] [2022-12-14 10:19:22,849 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[591090,591103] [2022-12-14 10:19:22,850 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[591241,591254] [2022-12-14 10:19:22,850 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[591391,591404] [2022-12-14 10:19:22,850 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[591538,591551] [2022-12-14 10:19:22,851 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[591689,591702] [2022-12-14 10:19:22,851 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[591840,591853] [2022-12-14 10:19:22,851 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[591988,592001] [2022-12-14 10:19:22,851 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[592154,592167] [2022-12-14 10:19:22,852 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[592323,592336] [2022-12-14 10:19:22,852 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[592490,592503] [2022-12-14 10:19:22,852 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[592658,592671] [2022-12-14 10:19:22,853 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[592808,592821] [2022-12-14 10:19:22,853 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[592955,592968] [2022-12-14 10:19:22,853 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[593116,593129] [2022-12-14 10:19:22,853 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[593286,593299] [2022-12-14 10:19:22,854 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[593448,593461] [2022-12-14 10:19:22,858 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 10:19:23,060 INFO L208 MainTranslator]: Completed translation [2022-12-14 10:19:23,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:19:23 WrapperNode [2022-12-14 10:19:23,060 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 10:19:23,061 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 10:19:23,061 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 10:19:23,061 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 10:19:23,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:19:23" (1/1) ... [2022-12-14 10:19:23,139 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:19:23" (1/1) ... [2022-12-14 10:19:23,386 INFO L138 Inliner]: procedures = 758, calls = 7328, calls flagged for inlining = 371, calls inlined = 290, statements flattened = 13856 [2022-12-14 10:19:23,386 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 10:19:23,387 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 10:19:23,387 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 10:19:23,387 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 10:19:23,395 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:19:23" (1/1) ... [2022-12-14 10:19:23,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:19:23" (1/1) ... [2022-12-14 10:19:23,434 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:19:23" (1/1) ... [2022-12-14 10:19:23,434 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:19:23" (1/1) ... [2022-12-14 10:19:23,641 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:19:23" (1/1) ... [2022-12-14 10:19:23,662 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:19:23" (1/1) ... [2022-12-14 10:19:23,692 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:19:23" (1/1) ... [2022-12-14 10:19:23,708 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:19:23" (1/1) ... [2022-12-14 10:19:23,750 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 10:19:23,751 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 10:19:23,751 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 10:19:23,751 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 10:19:23,751 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:19:23" (1/1) ... [2022-12-14 10:19:23,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 10:19:23,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:19:23,773 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 10:19:23,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 10:19:23,808 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_pcie_error_reporting [2022-12-14 10:19:23,808 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_pcie_error_reporting [2022-12-14 10:19:23,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_98 [2022-12-14 10:19:23,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_98 [2022-12-14 10:19:23,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-12-14 10:19:23,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-12-14 10:19:23,809 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-12-14 10:19:23,809 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-12-14 10:19:23,809 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-12-14 10:19:23,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 10:19:23,809 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 10:19:23,809 INFO L130 BoogieDeclarations]: Found specification of procedure skd_quiesce_dev [2022-12-14 10:19:23,809 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_quiesce_dev [2022-12-14 10:19:23,809 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-12-14 10:19:23,809 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-12-14 10:19:23,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 10:19:23,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 10:19:23,810 INFO L130 BoogieDeclarations]: Found specification of procedure skd_cons_sg_list [2022-12-14 10:19:23,810 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_cons_sg_list [2022-12-14 10:19:23,810 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-12-14 10:19:23,810 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-12-14 10:19:23,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-12-14 10:19:23,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-12-14 10:19:23,810 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-12-14 10:19:23,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-12-14 10:19:23,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-14 10:19:23,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-14 10:19:23,811 INFO L130 BoogieDeclarations]: Found specification of procedure __clear_bit [2022-12-14 10:19:23,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __clear_bit [2022-12-14 10:19:23,811 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-12-14 10:19:23,811 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-12-14 10:19:23,811 INFO L130 BoogieDeclarations]: Found specification of procedure queue_flag_set_unlocked [2022-12-14 10:19:23,811 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_flag_set_unlocked [2022-12-14 10:19:23,811 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_pcie_error_reporting [2022-12-14 10:19:23,811 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_pcie_error_reporting [2022-12-14 10:19:23,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-12-14 10:19:23,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-12-14 10:19:23,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-12-14 10:19:23,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-12-14 10:19:23,812 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-12-14 10:19:23,812 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-12-14 10:19:23,812 INFO L130 BoogieDeclarations]: Found specification of procedure skd_pci_remove [2022-12-14 10:19:23,812 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_pci_remove [2022-12-14 10:19:23,812 INFO L130 BoogieDeclarations]: Found specification of procedure skd_isr_fwstate [2022-12-14 10:19:23,812 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_isr_fwstate [2022-12-14 10:19:23,812 INFO L130 BoogieDeclarations]: Found specification of procedure skd_drive_disappeared [2022-12-14 10:19:23,812 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_drive_disappeared [2022-12-14 10:19:23,813 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2022-12-14 10:19:23,813 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2022-12-14 10:19:23,813 INFO L130 BoogieDeclarations]: Found specification of procedure skd_release_skreq [2022-12-14 10:19:23,813 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_release_skreq [2022-12-14 10:19:23,813 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-12-14 10:19:23,813 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-12-14 10:19:23,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-14 10:19:23,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-14 10:19:23,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-14 10:19:23,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-14 10:19:23,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-12-14 10:19:23,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-12-14 10:19:23,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 10:19:23,814 INFO L130 BoogieDeclarations]: Found specification of procedure __chk_range_not_ok [2022-12-14 10:19:23,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __chk_range_not_ok [2022-12-14 10:19:23,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-12-14 10:19:23,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-12-14 10:19:23,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_110 [2022-12-14 10:19:23,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_110 [2022-12-14 10:19:23,814 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-12-14 10:19:23,814 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-12-14 10:19:23,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-14 10:19:23,815 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-12-14 10:19:23,815 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-12-14 10:19:23,815 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-12-14 10:19:23,815 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-12-14 10:19:23,815 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2022-12-14 10:19:23,815 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2022-12-14 10:19:23,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 10:19:23,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-12-14 10:19:23,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-12-14 10:19:23,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-14 10:19:23,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-14 10:19:23,816 INFO L130 BoogieDeclarations]: Found specification of procedure pci_zalloc_consistent [2022-12-14 10:19:23,816 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_zalloc_consistent [2022-12-14 10:19:23,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-12-14 10:19:23,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-12-14 10:19:23,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 10:19:23,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-12-14 10:19:23,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-12-14 10:19:23,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-12-14 10:19:23,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-12-14 10:19:23,816 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user [2022-12-14 10:19:23,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user [2022-12-14 10:19:23,817 INFO L130 BoogieDeclarations]: Found specification of procedure skd_log_check_status [2022-12-14 10:19:23,817 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_log_check_status [2022-12-14 10:19:23,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-14 10:19:23,817 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-14 10:19:23,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-12-14 10:19:23,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-12-14 10:19:23,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-12-14 10:19:23,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-12-14 10:19:23,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-12-14 10:19:23,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-12-14 10:19:23,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-12-14 10:19:23,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-12-14 10:19:23,818 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-12-14 10:19:23,818 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-12-14 10:19:23,818 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-12-14 10:19:23,818 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-12-14 10:19:23,818 INFO L130 BoogieDeclarations]: Found specification of procedure blk_start_queue [2022-12-14 10:19:23,818 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_start_queue [2022-12-14 10:19:23,818 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-12-14 10:19:23,818 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-12-14 10:19:23,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-12-14 10:19:23,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-12-14 10:19:23,818 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-12-14 10:19:23,819 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-12-14 10:19:23,819 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-12-14 10:19:23,819 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-12-14 10:19:23,819 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2022-12-14 10:19:23,819 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2022-12-14 10:19:23,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-12-14 10:19:23,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-12-14 10:19:23,819 INFO L130 BoogieDeclarations]: Found specification of procedure skd_isr [2022-12-14 10:19:23,819 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_isr [2022-12-14 10:19:23,819 INFO L130 BoogieDeclarations]: Found specification of procedure skd_release_irq [2022-12-14 10:19:23,820 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_release_irq [2022-12-14 10:19:23,820 INFO L130 BoogieDeclarations]: Found specification of procedure skd_free_sg_list [2022-12-14 10:19:23,820 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_free_sg_list [2022-12-14 10:19:23,820 INFO L130 BoogieDeclarations]: Found specification of procedure skd_destruct [2022-12-14 10:19:23,820 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_destruct [2022-12-14 10:19:23,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 10:19:23,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-12-14 10:19:23,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-12-14 10:19:23,820 INFO L130 BoogieDeclarations]: Found specification of procedure blk_start_request [2022-12-14 10:19:23,820 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_start_request [2022-12-14 10:19:23,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 10:19:23,821 INFO L130 BoogieDeclarations]: Found specification of procedure skd_send_special_fitmsg [2022-12-14 10:19:23,821 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_send_special_fitmsg [2022-12-14 10:19:23,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-14 10:19:23,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-14 10:19:23,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 10:19:23,821 INFO L130 BoogieDeclarations]: Found specification of procedure __blk_end_request_all [2022-12-14 10:19:23,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __blk_end_request_all [2022-12-14 10:19:23,821 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-14 10:19:23,821 INFO L130 BoogieDeclarations]: Found specification of procedure skd_pci_resume [2022-12-14 10:19:23,821 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_pci_resume [2022-12-14 10:19:23,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_skd_device [2022-12-14 10:19:23,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_skd_device [2022-12-14 10:19:23,822 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-12-14 10:19:23,822 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-12-14 10:19:23,822 INFO L130 BoogieDeclarations]: Found specification of procedure skd_release_msix [2022-12-14 10:19:23,822 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_release_msix [2022-12-14 10:19:23,822 INFO L130 BoogieDeclarations]: Found specification of procedure skd_end_request [2022-12-14 10:19:23,822 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_end_request [2022-12-14 10:19:23,822 INFO L130 BoogieDeclarations]: Found specification of procedure skd_recover_requests [2022-12-14 10:19:23,822 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_recover_requests [2022-12-14 10:19:23,822 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-14 10:19:23,823 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-14 10:19:23,823 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user [2022-12-14 10:19:23,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user [2022-12-14 10:19:23,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-12-14 10:19:23,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-12-14 10:19:23,823 INFO L130 BoogieDeclarations]: Found specification of procedure blk_peek_request [2022-12-14 10:19:23,823 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_peek_request [2022-12-14 10:19:23,823 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-12-14 10:19:23,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-12-14 10:19:23,823 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-12-14 10:19:23,823 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-12-14 10:19:23,824 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-12-14 10:19:23,824 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-12-14 10:19:23,824 INFO L130 BoogieDeclarations]: Found specification of procedure skd_isr_msg_from_dev [2022-12-14 10:19:23,824 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_isr_msg_from_dev [2022-12-14 10:19:23,824 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-12-14 10:19:23,824 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-12-14 10:19:23,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 10:19:23,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 10:19:23,824 INFO L130 BoogieDeclarations]: Found specification of procedure writeq [2022-12-14 10:19:23,824 INFO L138 BoogieDeclarations]: Found implementation of procedure writeq [2022-12-14 10:19:23,824 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_irq [2022-12-14 10:19:23,825 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_irq [2022-12-14 10:19:23,825 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-12-14 10:19:23,825 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-12-14 10:19:23,825 INFO L130 BoogieDeclarations]: Found specification of procedure blk_stop_queue [2022-12-14 10:19:23,825 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_stop_queue [2022-12-14 10:19:23,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 10:19:23,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 10:19:23,825 INFO L130 BoogieDeclarations]: Found specification of procedure skd_skdev_state_to_str [2022-12-14 10:19:23,825 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_skdev_state_to_str [2022-12-14 10:19:23,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 10:19:23,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 10:19:23,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-14 10:19:23,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-14 10:19:23,826 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-12-14 10:19:23,826 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-12-14 10:19:23,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_skd_device [2022-12-14 10:19:23,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_skd_device [2022-12-14 10:19:23,826 INFO L130 BoogieDeclarations]: Found specification of procedure skd_start_device [2022-12-14 10:19:23,826 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_start_device [2022-12-14 10:19:23,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-12-14 10:19:23,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-12-14 10:19:23,827 INFO L130 BoogieDeclarations]: Found specification of procedure skd_postop_sg_list [2022-12-14 10:19:23,827 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_postop_sg_list [2022-12-14 10:19:23,827 INFO L130 BoogieDeclarations]: Found specification of procedure skd_request_fn [2022-12-14 10:19:23,827 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_request_fn [2022-12-14 10:19:23,827 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2022-12-14 10:19:23,827 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2022-12-14 10:19:23,827 INFO L130 BoogieDeclarations]: Found specification of procedure skd_send_fitmsg [2022-12-14 10:19:23,827 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_send_fitmsg [2022-12-14 10:19:23,827 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2022-12-14 10:19:23,827 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2022-12-14 10:19:23,828 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_sectors [2022-12-14 10:19:23,828 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_sectors [2022-12-14 10:19:23,828 INFO L130 BoogieDeclarations]: Found specification of procedure skd_log_skreq [2022-12-14 10:19:23,828 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_log_skreq [2022-12-14 10:19:23,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 10:19:23,828 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 10:19:23,828 INFO L130 BoogieDeclarations]: Found specification of procedure skd_disable_interrupts [2022-12-14 10:19:23,828 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_disable_interrupts [2022-12-14 10:19:23,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2022-12-14 10:19:23,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2022-12-14 10:19:23,828 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-12-14 10:19:23,829 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-12-14 10:19:23,829 INFO L130 BoogieDeclarations]: Found specification of procedure skd_drive_fault [2022-12-14 10:19:23,829 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_drive_fault [2022-12-14 10:19:23,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-12-14 10:19:23,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-12-14 10:19:23,829 INFO L130 BoogieDeclarations]: Found specification of procedure skd_isr_completion_posted [2022-12-14 10:19:23,829 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_isr_completion_posted [2022-12-14 10:19:23,829 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_pos [2022-12-14 10:19:23,829 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_pos [2022-12-14 10:19:23,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-12-14 10:19:23,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-12-14 10:19:23,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 10:19:23,830 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-14 10:19:23,830 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-14 10:19:23,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-12-14 10:19:23,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-12-14 10:19:23,830 INFO L130 BoogieDeclarations]: Found specification of procedure skd_sg_io_copy_buffer [2022-12-14 10:19:23,830 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_sg_io_copy_buffer [2022-12-14 10:19:23,830 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-12-14 10:19:23,830 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-12-14 10:19:23,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 10:19:23,830 INFO L130 BoogieDeclarations]: Found specification of procedure skd_reg_write64 [2022-12-14 10:19:23,831 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_reg_write64 [2022-12-14 10:19:23,831 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-12-14 10:19:23,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-12-14 10:19:23,831 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2022-12-14 10:19:23,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2022-12-14 10:19:23,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 10:19:23,831 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-12-14 10:19:23,831 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-12-14 10:19:23,831 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2022-12-14 10:19:23,831 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-12-14 10:19:23,832 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-12-14 10:19:23,832 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-12-14 10:19:23,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-12-14 10:19:23,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-12-14 10:19:23,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-12-14 10:19:23,832 INFO L130 BoogieDeclarations]: Found specification of procedure skd_soft_reset [2022-12-14 10:19:23,832 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_soft_reset [2022-12-14 10:19:23,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-14 10:19:23,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-14 10:19:23,832 INFO L130 BoogieDeclarations]: Found specification of procedure skd_start_timer [2022-12-14 10:19:23,832 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_start_timer [2022-12-14 10:19:23,833 INFO L130 BoogieDeclarations]: Found specification of procedure skd_reg_write32 [2022-12-14 10:19:23,833 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_reg_write32 [2022-12-14 10:19:23,833 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_capability [2022-12-14 10:19:23,833 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_capability [2022-12-14 10:19:23,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-14 10:19:23,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-14 10:19:23,833 INFO L130 BoogieDeclarations]: Found specification of procedure blk_requeue_request [2022-12-14 10:19:23,833 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_requeue_request [2022-12-14 10:19:23,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-12-14 10:19:23,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-12-14 10:19:23,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-12-14 10:19:23,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-12-14 10:19:23,834 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 10:19:23,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 10:19:23,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_devm_free_irq [2022-12-14 10:19:23,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_devm_free_irq [2022-12-14 10:19:23,834 INFO L130 BoogieDeclarations]: Found specification of procedure skd_reg_read32 [2022-12-14 10:19:23,834 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_reg_read32 [2022-12-14 10:19:23,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-12-14 10:19:23,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-12-14 10:19:23,834 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 10:19:23,834 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 10:19:23,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 10:19:23,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-12-14 10:19:23,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-12-14 10:19:23,835 INFO L130 BoogieDeclarations]: Found specification of procedure skd_send_internal_skspcl [2022-12-14 10:19:23,835 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_send_internal_skspcl [2022-12-14 10:19:23,835 INFO L130 BoogieDeclarations]: Found specification of procedure skd_release_special [2022-12-14 10:19:23,835 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_release_special [2022-12-14 10:19:23,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 10:19:23,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 10:19:23,835 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2022-12-14 10:19:23,835 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2022-12-14 10:19:23,836 INFO L130 BoogieDeclarations]: Found specification of procedure skd_drive_state_to_str [2022-12-14 10:19:23,836 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_drive_state_to_str [2022-12-14 10:19:23,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-12-14 10:19:23,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-12-14 10:19:23,836 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-12-14 10:19:23,836 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-12-14 10:19:23,836 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-12-14 10:19:23,836 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-12-14 10:19:23,836 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-12-14 10:19:23,836 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-12-14 10:19:23,836 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2022-12-14 10:19:23,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2022-12-14 10:19:23,837 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-12-14 10:19:23,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-12-14 10:19:23,837 INFO L130 BoogieDeclarations]: Found specification of procedure skd_name [2022-12-14 10:19:23,837 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_name [2022-12-14 10:19:23,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-14 10:19:23,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-14 10:19:23,837 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-12-14 10:19:23,837 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-12-14 10:19:23,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-12-14 10:19:23,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-12-14 10:19:23,837 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-12-14 10:19:23,838 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-12-14 10:19:23,838 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-12-14 10:19:23,838 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-12-14 10:19:23,838 INFO L130 BoogieDeclarations]: Found specification of procedure devm_free_irq [2022-12-14 10:19:23,838 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_free_irq [2022-12-14 10:19:23,838 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-12-14 10:19:23,838 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-12-14 10:19:23,838 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-12-14 10:19:23,838 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-12-14 10:19:23,838 INFO L130 BoogieDeclarations]: Found specification of procedure sg_virt [2022-12-14 10:19:23,838 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_virt [2022-12-14 10:19:23,839 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-12-14 10:19:23,839 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-12-14 10:19:23,839 INFO L130 BoogieDeclarations]: Found specification of procedure skd_pci_shutdown [2022-12-14 10:19:23,839 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_pci_shutdown [2022-12-14 10:19:23,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 10:19:23,839 INFO L130 BoogieDeclarations]: Found specification of procedure skd_stop_device [2022-12-14 10:19:23,839 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_stop_device [2022-12-14 10:19:23,839 INFO L130 BoogieDeclarations]: Found specification of procedure skd_acquire_irq [2022-12-14 10:19:23,839 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_acquire_irq [2022-12-14 10:19:23,839 INFO L130 BoogieDeclarations]: Found specification of procedure skd_log_skdev [2022-12-14 10:19:23,839 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_log_skdev [2022-12-14 10:19:24,685 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 10:19:24,687 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 10:19:24,853 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 10:19:25,034 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint __copy_to_user_nocheck_case_8#1: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1; [2022-12-14 10:19:25,034 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint __copy_to_user_nocheck_case_4#1: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1; [2022-12-14 10:19:25,034 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint __copy_to_user_nocheck_case_2#1: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1; [2022-12-14 10:19:25,034 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6358: assume 0 != __copy_to_user_nocheck_~tmp___1~7#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1; [2022-12-14 10:19:25,035 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6358: assume !(0 != __copy_to_user_nocheck_~tmp___1~7#1);__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1; [2022-12-14 10:19:25,035 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6317: assume 16 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-12-14 10:19:25,035 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6317: assume !(16 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-12-14 10:19:25,035 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6342: assume -9223372036854775808 <= __copy_to_user_nocheck_#t~ret273#1 && __copy_to_user_nocheck_#t~ret273#1 <= 9223372036854775807;__copy_to_user_nocheck_~tmp___0~11#1 := __copy_to_user_nocheck_#t~ret273#1;havoc __copy_to_user_nocheck_#t~ret273#1; [2022-12-14 10:19:25,035 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6313: assume 10 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-12-14 10:19:25,035 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6313: assume !(10 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-12-14 10:19:25,035 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint __copy_to_user_nocheck_case_16#1: SUMMARY for call __copy_to_user_nocheck_#t~ret274#1 := ldv__builtin_expect((if 0 != __copy_to_user_nocheck_~ret~3#1 then 1 else 0), 0); srcloc: null [2022-12-14 10:19:25,035 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint __copy_to_user_nocheck_case_10#1: SUMMARY for call __copy_to_user_nocheck_#t~ret273#1 := ldv__builtin_expect((if 0 != __copy_to_user_nocheck_~ret~3#1 then 1 else 0), 0); srcloc: null [2022-12-14 10:19:25,035 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6309: assume 8 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-12-14 10:19:25,035 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6309: assume !(8 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-12-14 10:19:25,035 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6305: assume 4 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-12-14 10:19:25,035 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6305: assume !(4 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-12-14 10:19:25,036 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6301: assume 2 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-12-14 10:19:25,036 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6301: assume !(2 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-12-14 10:19:25,036 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume 1 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-12-14 10:19:25,036 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint __copy_to_user_nocheck_case_1#1: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1; [2022-12-14 10:19:25,036 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !(1 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-12-14 10:19:25,036 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint __copy_to_user_nocheck_switch_default#1: SUMMARY for call __copy_to_user_nocheck_#t~ret275#1 := copy_user_generic(__copy_to_user_nocheck_~dst#1.base, __copy_to_user_nocheck_~dst#1.offset, __copy_to_user_nocheck_~src#1.base, __copy_to_user_nocheck_~src#1.offset, __copy_to_user_nocheck_~size#1); srcloc: null [2022-12-14 10:19:25,036 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6368: __copy_to_user_nocheck_~tmp___2~2#1 := __copy_to_user_nocheck_#t~ret275#1;havoc __copy_to_user_nocheck_#t~ret275#1;__copy_to_user_nocheck_#res#1 := (if __copy_to_user_nocheck_~tmp___2~2#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_to_user_nocheck_~tmp___2~2#1 % 18446744073709551616 % 4294967296 else __copy_to_user_nocheck_~tmp___2~2#1 % 18446744073709551616 % 4294967296 - 4294967296); [2022-12-14 10:19:25,036 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6356: assume -9223372036854775808 <= __copy_to_user_nocheck_#t~ret274#1 && __copy_to_user_nocheck_#t~ret274#1 <= 9223372036854775807;__copy_to_user_nocheck_~tmp___1~7#1 := __copy_to_user_nocheck_#t~ret274#1;havoc __copy_to_user_nocheck_#t~ret274#1; [2022-12-14 10:19:25,036 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6344: assume 0 != __copy_to_user_nocheck_~tmp___0~11#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1; [2022-12-14 10:19:25,036 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6344: assume !(0 != __copy_to_user_nocheck_~tmp___0~11#1);__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1; [2022-12-14 10:19:36,747 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6208: assume 16 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-12-14 10:19:36,748 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6208: assume !(16 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-12-14 10:19:36,748 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint __copy_from_user_nocheck_switch_default#1: SUMMARY for call __copy_from_user_nocheck_#t~ret270#1 := copy_user_generic(__copy_from_user_nocheck_~dst#1.base, __copy_from_user_nocheck_~dst#1.offset, __copy_from_user_nocheck_~src#1.base, __copy_from_user_nocheck_~src#1.offset, __copy_from_user_nocheck_~size#1); srcloc: null [2022-12-14 10:19:36,748 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6204: assume 10 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-12-14 10:19:36,748 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6204: assume !(10 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-12-14 10:19:36,748 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6200: assume 8 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-12-14 10:19:36,748 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6200: assume !(8 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-12-14 10:19:36,748 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6196: assume 4 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-12-14 10:19:36,748 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6196: assume !(4 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-12-14 10:19:36,748 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint __copy_from_user_nocheck_case_2#1: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1; [2022-12-14 10:19:36,748 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint __copy_from_user_nocheck_case_4#1: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1; [2022-12-14 10:19:36,748 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6192: assume 2 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-12-14 10:19:36,748 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6192: assume !(2 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-12-14 10:19:36,748 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint __copy_from_user_nocheck_case_8#1: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1; [2022-12-14 10:19:36,748 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6238: assume -9223372036854775808 <= __copy_from_user_nocheck_#t~ret268#1 && __copy_from_user_nocheck_#t~ret268#1 <= 9223372036854775807;__copy_from_user_nocheck_~tmp___0~10#1 := __copy_from_user_nocheck_#t~ret268#1;havoc __copy_from_user_nocheck_#t~ret268#1; [2022-12-14 10:19:36,748 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6255: assume 0 != __copy_from_user_nocheck_~tmp___1~6#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1; [2022-12-14 10:19:36,748 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6255: assume !(0 != __copy_from_user_nocheck_~tmp___1~6#1);__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1; [2022-12-14 10:19:36,748 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint __copy_from_user_nocheck_case_16#1: SUMMARY for call __copy_from_user_nocheck_#t~ret269#1 := ldv__builtin_expect((if 0 != __copy_from_user_nocheck_~ret~2#1 then 1 else 0), 0); srcloc: null [2022-12-14 10:19:36,748 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint __copy_from_user_nocheck_case_1#1: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1; [2022-12-14 10:19:36,748 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume 1 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-12-14 10:19:36,748 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !(1 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-12-14 10:19:36,748 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6240: assume 0 != __copy_from_user_nocheck_~tmp___0~10#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1; [2022-12-14 10:19:36,749 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6240: assume !(0 != __copy_from_user_nocheck_~tmp___0~10#1);__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1; [2022-12-14 10:19:36,749 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6265: __copy_from_user_nocheck_~tmp___2~1#1 := __copy_from_user_nocheck_#t~ret270#1;havoc __copy_from_user_nocheck_#t~ret270#1;__copy_from_user_nocheck_#res#1 := (if __copy_from_user_nocheck_~tmp___2~1#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_from_user_nocheck_~tmp___2~1#1 % 18446744073709551616 % 4294967296 else __copy_from_user_nocheck_~tmp___2~1#1 % 18446744073709551616 % 4294967296 - 4294967296); [2022-12-14 10:19:36,749 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L6253: assume -9223372036854775808 <= __copy_from_user_nocheck_#t~ret269#1 && __copy_from_user_nocheck_#t~ret269#1 <= 9223372036854775807;__copy_from_user_nocheck_~tmp___1~6#1 := __copy_from_user_nocheck_#t~ret269#1;havoc __copy_from_user_nocheck_#t~ret269#1; [2022-12-14 10:19:36,749 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint __copy_from_user_nocheck_case_10#1: SUMMARY for call __copy_from_user_nocheck_#t~ret268#1 := ldv__builtin_expect((if 0 != __copy_from_user_nocheck_~ret~2#1 then 1 else 0), 0); srcloc: null [2022-12-14 10:19:43,694 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 10:19:45,682 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 10:19:45,682 INFO L300 CfgBuilder]: Removed 10 assume(true) statements. [2022-12-14 10:19:45,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:19:45 BoogieIcfgContainer [2022-12-14 10:19:45,687 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 10:19:45,688 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 10:19:45,688 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 10:19:45,691 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 10:19:45,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 10:19:17" (1/3) ... [2022-12-14 10:19:45,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@611d33b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 10:19:45, skipping insertion in model container [2022-12-14 10:19:45,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:19:23" (2/3) ... [2022-12-14 10:19:45,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@611d33b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 10:19:45, skipping insertion in model container [2022-12-14 10:19:45,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:19:45" (3/3) ... [2022-12-14 10:19:45,692 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--block--skd.ko.cil.i [2022-12-14 10:19:45,706 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 10:19:45,706 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2022-12-14 10:19:45,773 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 10:19:45,777 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;@e78396, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 10:19:45,777 INFO L358 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2022-12-14 10:19:45,786 INFO L276 IsEmpty]: Start isEmpty. Operand has 2712 states, 1619 states have (on average 1.3341568869672638) internal successors, (2160), 1737 states have internal predecessors, (2160), 899 states have call successors, (899), 161 states have call predecessors, (899), 160 states have return successors, (889), 855 states have call predecessors, (889), 889 states have call successors, (889) [2022-12-14 10:19:45,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-14 10:19:45,792 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:19:45,793 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:19:45,793 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 10:19:45,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:19:45,796 INFO L85 PathProgramCache]: Analyzing trace with hash 1213509271, now seen corresponding path program 1 times [2022-12-14 10:19:45,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:19:45,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690122222] [2022-12-14 10:19:45,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:19:45,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:19:46,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:19:46,802 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 10:19:46,803 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:19:46,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690122222] [2022-12-14 10:19:46,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690122222] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:19:46,803 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:19:46,803 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:19:46,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733577044] [2022-12-14 10:19:46,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:19:46,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:19:46,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:19:46,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:19:46,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:19:46,834 INFO L87 Difference]: Start difference. First operand has 2712 states, 1619 states have (on average 1.3341568869672638) internal successors, (2160), 1737 states have internal predecessors, (2160), 899 states have call successors, (899), 161 states have call predecessors, (899), 160 states have return successors, (889), 855 states have call predecessors, (889), 889 states have call successors, (889) Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-14 10:19:50,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:19:57,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:19:59,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:20:03,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:20:03,821 INFO L93 Difference]: Finished difference Result 8059 states and 11975 transitions. [2022-12-14 10:20:03,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 10:20:03,823 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 47 [2022-12-14 10:20:03,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:20:03,853 INFO L225 Difference]: With dead ends: 8059 [2022-12-14 10:20:03,853 INFO L226 Difference]: Without dead ends: 5336 [2022-12-14 10:20:03,870 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:20:03,872 INFO L413 NwaCegarLoop]: 4497 mSDtfsCounter, 3847 mSDsluCounter, 7875 mSDsCounter, 0 mSdLazyCounter, 1592 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3849 SdHoareTripleChecker+Valid, 12372 SdHoareTripleChecker+Invalid, 1596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1592 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.6s IncrementalHoareTripleChecker+Time [2022-12-14 10:20:03,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3849 Valid, 12372 Invalid, 1596 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1592 Invalid, 3 Unknown, 0 Unchecked, 16.6s Time] [2022-12-14 10:20:03,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5336 states. [2022-12-14 10:20:04,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5336 to 5148. [2022-12-14 10:20:04,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5148 states, 3098 states have (on average 1.3102001291155585) internal successors, (4059), 3289 states have internal predecessors, (4059), 1718 states have call successors, (1718), 300 states have call predecessors, (1718), 298 states have return successors, (1719), 1643 states have call predecessors, (1719), 1716 states have call successors, (1719) [2022-12-14 10:20:04,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5148 states to 5148 states and 7496 transitions. [2022-12-14 10:20:04,182 INFO L78 Accepts]: Start accepts. Automaton has 5148 states and 7496 transitions. Word has length 47 [2022-12-14 10:20:04,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:20:04,183 INFO L495 AbstractCegarLoop]: Abstraction has 5148 states and 7496 transitions. [2022-12-14 10:20:04,183 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-14 10:20:04,183 INFO L276 IsEmpty]: Start isEmpty. Operand 5148 states and 7496 transitions. [2022-12-14 10:20:04,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-12-14 10:20:04,184 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:20:04,185 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:20:04,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 10:20:04,185 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 10:20:04,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:20:04,185 INFO L85 PathProgramCache]: Analyzing trace with hash -1502118112, now seen corresponding path program 1 times [2022-12-14 10:20:04,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:20:04,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511236745] [2022-12-14 10:20:04,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:20:04,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:20:04,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:20:04,914 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 10:20:04,915 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:20:04,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511236745] [2022-12-14 10:20:04,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511236745] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:20:04,915 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:20:04,915 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:20:04,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692650661] [2022-12-14 10:20:04,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:20:04,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:20:04,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:20:04,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:20:04,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:20:04,918 INFO L87 Difference]: Start difference. First operand 5148 states and 7496 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-14 10:20:07,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:20:11,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:20:13,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:20:20,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:20:21,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:20:21,564 INFO L93 Difference]: Finished difference Result 9996 states and 14558 transitions. [2022-12-14 10:20:21,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 10:20:21,565 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 52 [2022-12-14 10:20:21,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:20:21,609 INFO L225 Difference]: With dead ends: 9996 [2022-12-14 10:20:21,609 INFO L226 Difference]: Without dead ends: 9994 [2022-12-14 10:20:21,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:20:21,615 INFO L413 NwaCegarLoop]: 4537 mSDtfsCounter, 3637 mSDsluCounter, 7880 mSDsCounter, 0 mSdLazyCounter, 1625 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3639 SdHoareTripleChecker+Valid, 12417 SdHoareTripleChecker+Invalid, 1628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1625 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.2s IncrementalHoareTripleChecker+Time [2022-12-14 10:20:21,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3639 Valid, 12417 Invalid, 1628 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1625 Invalid, 1 Unknown, 0 Unchecked, 16.2s Time] [2022-12-14 10:20:21,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9994 states. [2022-12-14 10:20:21,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9994 to 9810. [2022-12-14 10:20:21,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9810 states, 5909 states have (on average 1.3115586393636824) internal successors, (7750), 6256 states have internal predecessors, (7750), 3296 states have call successors, (3296), 574 states have call predecessors, (3296), 571 states have return successors, (3316), 3146 states have call predecessors, (3316), 3294 states have call successors, (3316) [2022-12-14 10:20:22,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9810 states to 9810 states and 14362 transitions. [2022-12-14 10:20:22,013 INFO L78 Accepts]: Start accepts. Automaton has 9810 states and 14362 transitions. Word has length 52 [2022-12-14 10:20:22,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:20:22,014 INFO L495 AbstractCegarLoop]: Abstraction has 9810 states and 14362 transitions. [2022-12-14 10:20:22,014 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-14 10:20:22,014 INFO L276 IsEmpty]: Start isEmpty. Operand 9810 states and 14362 transitions. [2022-12-14 10:20:22,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-12-14 10:20:22,015 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:20:22,015 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:20:22,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 10:20:22,015 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 10:20:22,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:20:22,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1344443891, now seen corresponding path program 1 times [2022-12-14 10:20:22,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:20:22,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120153187] [2022-12-14 10:20:22,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:20:22,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:20:22,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:20:22,822 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 10:20:22,822 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:20:22,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120153187] [2022-12-14 10:20:22,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120153187] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:20:22,822 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:20:22,823 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:20:22,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887333546] [2022-12-14 10:20:22,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:20:22,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:20:22,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:20:22,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:20:22,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:20:22,824 INFO L87 Difference]: Start difference. First operand 9810 states and 14362 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-14 10:20:25,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:20:29,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:20:36,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:20:36,539 INFO L93 Difference]: Finished difference Result 19320 states and 28304 transitions. [2022-12-14 10:20:36,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 10:20:36,540 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 57 [2022-12-14 10:20:36,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:20:36,656 INFO L225 Difference]: With dead ends: 19320 [2022-12-14 10:20:36,656 INFO L226 Difference]: Without dead ends: 19318 [2022-12-14 10:20:36,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:20:36,667 INFO L413 NwaCegarLoop]: 4518 mSDtfsCounter, 3638 mSDsluCounter, 7860 mSDsCounter, 0 mSdLazyCounter, 1615 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3640 SdHoareTripleChecker+Valid, 12378 SdHoareTripleChecker+Invalid, 1618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1615 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time [2022-12-14 10:20:36,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3640 Valid, 12378 Invalid, 1618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1615 Invalid, 1 Unknown, 0 Unchecked, 13.2s Time] [2022-12-14 10:20:36,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19318 states. [2022-12-14 10:20:37,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19318 to 19146. [2022-12-14 10:20:37,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19146 states, 11540 states have (on average 1.3123050259965339) internal successors, (15144), 12197 states have internal predecessors, (15144), 6454 states have call successors, (6454), 1123 states have call predecessors, (6454), 1118 states have return successors, (6526), 6156 states have call predecessors, (6526), 6452 states have call successors, (6526) [2022-12-14 10:20:37,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19146 states to 19146 states and 28124 transitions. [2022-12-14 10:20:37,823 INFO L78 Accepts]: Start accepts. Automaton has 19146 states and 28124 transitions. Word has length 57 [2022-12-14 10:20:37,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:20:37,823 INFO L495 AbstractCegarLoop]: Abstraction has 19146 states and 28124 transitions. [2022-12-14 10:20:37,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-14 10:20:37,823 INFO L276 IsEmpty]: Start isEmpty. Operand 19146 states and 28124 transitions. [2022-12-14 10:20:37,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-12-14 10:20:37,824 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:20:37,825 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:20:37,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 10:20:37,825 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 10:20:37,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:20:37,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1420642856, now seen corresponding path program 1 times [2022-12-14 10:20:37,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:20:37,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735692877] [2022-12-14 10:20:37,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:20:37,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:20:37,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:20:38,375 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 10:20:38,375 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:20:38,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735692877] [2022-12-14 10:20:38,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735692877] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:20:38,375 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:20:38,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:20:38,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535576727] [2022-12-14 10:20:38,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:20:38,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:20:38,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:20:38,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:20:38,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:20:38,377 INFO L87 Difference]: Start difference. First operand 19146 states and 28124 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-14 10:20:41,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:20:46,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:20:48,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:20:53,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:20:53,384 INFO L93 Difference]: Finished difference Result 28586 states and 41928 transitions. [2022-12-14 10:20:53,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 10:20:53,385 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 62 [2022-12-14 10:20:53,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:20:53,468 INFO L225 Difference]: With dead ends: 28586 [2022-12-14 10:20:53,468 INFO L226 Difference]: Without dead ends: 28584 [2022-12-14 10:20:53,478 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:20:53,479 INFO L413 NwaCegarLoop]: 4588 mSDtfsCounter, 3605 mSDsluCounter, 7932 mSDsCounter, 0 mSdLazyCounter, 1639 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3607 SdHoareTripleChecker+Valid, 12520 SdHoareTripleChecker+Invalid, 1642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1639 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.4s IncrementalHoareTripleChecker+Time [2022-12-14 10:20:53,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3607 Valid, 12520 Invalid, 1642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1639 Invalid, 2 Unknown, 0 Unchecked, 14.4s Time] [2022-12-14 10:20:53,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28584 states. [2022-12-14 10:20:54,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28584 to 28424. [2022-12-14 10:20:54,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28424 states, 17130 states have (on average 1.3126094570928195) internal successors, (22485), 18105 states have internal predecessors, (22485), 9594 states have call successors, (9594), 1673 states have call predecessors, (9594), 1666 states have return successors, (9686), 9140 states have call predecessors, (9686), 9592 states have call successors, (9686) [2022-12-14 10:20:54,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28424 states to 28424 states and 41765 transitions. [2022-12-14 10:20:54,719 INFO L78 Accepts]: Start accepts. Automaton has 28424 states and 41765 transitions. Word has length 62 [2022-12-14 10:20:54,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:20:54,719 INFO L495 AbstractCegarLoop]: Abstraction has 28424 states and 41765 transitions. [2022-12-14 10:20:54,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-14 10:20:54,720 INFO L276 IsEmpty]: Start isEmpty. Operand 28424 states and 41765 transitions. [2022-12-14 10:20:54,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-12-14 10:20:54,721 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:20:54,721 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:20:54,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 10:20:54,721 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 10:20:54,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:20:54,722 INFO L85 PathProgramCache]: Analyzing trace with hash 180781834, now seen corresponding path program 1 times [2022-12-14 10:20:54,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:20:54,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040411080] [2022-12-14 10:20:54,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:20:54,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:20:54,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:20:55,273 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 10:20:55,273 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:20:55,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040411080] [2022-12-14 10:20:55,274 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040411080] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:20:55,274 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:20:55,274 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:20:55,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229607044] [2022-12-14 10:20:55,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:20:55,275 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:20:55,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:20:55,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:20:55,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:20:55,275 INFO L87 Difference]: Start difference. First operand 28424 states and 41765 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-12-14 10:20:58,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:21:01,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:21:11,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:21:11,361 INFO L93 Difference]: Finished difference Result 34954 states and 51291 transitions. [2022-12-14 10:21:11,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 10:21:11,361 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 67 [2022-12-14 10:21:11,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:21:11,465 INFO L225 Difference]: With dead ends: 34954 [2022-12-14 10:21:11,465 INFO L226 Difference]: Without dead ends: 34952 [2022-12-14 10:21:11,478 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:21:11,478 INFO L413 NwaCegarLoop]: 4595 mSDtfsCounter, 3630 mSDsluCounter, 7939 mSDsCounter, 0 mSdLazyCounter, 1642 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3632 SdHoareTripleChecker+Valid, 12534 SdHoareTripleChecker+Invalid, 1644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1642 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.4s IncrementalHoareTripleChecker+Time [2022-12-14 10:21:11,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3632 Valid, 12534 Invalid, 1644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1642 Invalid, 1 Unknown, 0 Unchecked, 15.4s Time] [2022-12-14 10:21:11,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34952 states. [2022-12-14 10:21:12,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34952 to 34802. [2022-12-14 10:21:12,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34802 states, 21013 states have (on average 1.314995478989197) internal successors, (27632), 22228 states have internal predecessors, (27632), 11708 states have call successors, (11708), 2054 states have call predecessors, (11708), 2047 states have return successors, (11800), 11122 states have call predecessors, (11800), 11706 states have call successors, (11800) [2022-12-14 10:21:12,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34802 states to 34802 states and 51140 transitions. [2022-12-14 10:21:12,933 INFO L78 Accepts]: Start accepts. Automaton has 34802 states and 51140 transitions. Word has length 67 [2022-12-14 10:21:12,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:21:12,934 INFO L495 AbstractCegarLoop]: Abstraction has 34802 states and 51140 transitions. [2022-12-14 10:21:12,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-12-14 10:21:12,934 INFO L276 IsEmpty]: Start isEmpty. Operand 34802 states and 51140 transitions. [2022-12-14 10:21:12,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-12-14 10:21:12,935 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:21:12,935 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:21:12,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 10:21:12,935 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 10:21:12,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:21:12,935 INFO L85 PathProgramCache]: Analyzing trace with hash 597130591, now seen corresponding path program 1 times [2022-12-14 10:21:12,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:21:12,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123544564] [2022-12-14 10:21:12,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:21:12,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:21:13,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:21:13,598 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 10:21:13,598 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:21:13,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123544564] [2022-12-14 10:21:13,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123544564] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:21:13,598 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:21:13,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:21:13,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348255531] [2022-12-14 10:21:13,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:21:13,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:21:13,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:21:13,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:21:13,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:21:13,600 INFO L87 Difference]: Start difference. First operand 34802 states and 51140 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 10:21:16,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:21:21,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:21:28,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:21:28,670 INFO L93 Difference]: Finished difference Result 34952 states and 51289 transitions. [2022-12-14 10:21:28,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 10:21:28,671 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 72 [2022-12-14 10:21:28,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:21:28,793 INFO L225 Difference]: With dead ends: 34952 [2022-12-14 10:21:28,793 INFO L226 Difference]: Without dead ends: 34950 [2022-12-14 10:21:28,806 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:21:28,806 INFO L413 NwaCegarLoop]: 4595 mSDtfsCounter, 3627 mSDsluCounter, 7939 mSDsCounter, 0 mSdLazyCounter, 1642 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3629 SdHoareTripleChecker+Valid, 12534 SdHoareTripleChecker+Invalid, 1644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1642 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2022-12-14 10:21:28,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3629 Valid, 12534 Invalid, 1644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1642 Invalid, 1 Unknown, 0 Unchecked, 14.3s Time] [2022-12-14 10:21:28,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34950 states. [2022-12-14 10:21:30,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34950 to 34808. [2022-12-14 10:21:30,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34808 states, 21016 states have (on average 1.314950513894176) internal successors, (27635), 22231 states have internal predecessors, (27635), 11710 states have call successors, (11710), 2055 states have call predecessors, (11710), 2048 states have return successors, (11802), 11124 states have call predecessors, (11802), 11708 states have call successors, (11802) [2022-12-14 10:21:30,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34808 states to 34808 states and 51147 transitions. [2022-12-14 10:21:30,516 INFO L78 Accepts]: Start accepts. Automaton has 34808 states and 51147 transitions. Word has length 72 [2022-12-14 10:21:30,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:21:30,517 INFO L495 AbstractCegarLoop]: Abstraction has 34808 states and 51147 transitions. [2022-12-14 10:21:30,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 10:21:30,517 INFO L276 IsEmpty]: Start isEmpty. Operand 34808 states and 51147 transitions. [2022-12-14 10:21:30,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-12-14 10:21:30,518 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:21:30,518 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:21:30,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 10:21:30,518 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 10:21:30,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:21:30,519 INFO L85 PathProgramCache]: Analyzing trace with hash 331806215, now seen corresponding path program 1 times [2022-12-14 10:21:30,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:21:30,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932342352] [2022-12-14 10:21:30,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:21:30,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:21:30,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:21:31,084 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 10:21:31,084 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:21:31,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932342352] [2022-12-14 10:21:31,084 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932342352] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:21:31,084 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:21:31,084 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:21:31,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15111415] [2022-12-14 10:21:31,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:21:31,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:21:31,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:21:31,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:21:31,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:21:31,086 INFO L87 Difference]: Start difference. First operand 34808 states and 51147 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-14 10:21:34,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:21:36,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:21:39,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:21:46,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:21:47,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:21:47,486 INFO L93 Difference]: Finished difference Result 34950 states and 51287 transitions. [2022-12-14 10:21:47,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 10:21:47,487 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 77 [2022-12-14 10:21:47,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:21:47,592 INFO L225 Difference]: With dead ends: 34950 [2022-12-14 10:21:47,592 INFO L226 Difference]: Without dead ends: 34948 [2022-12-14 10:21:47,606 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:21:47,607 INFO L413 NwaCegarLoop]: 4595 mSDtfsCounter, 3624 mSDsluCounter, 7939 mSDsCounter, 0 mSdLazyCounter, 1642 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3626 SdHoareTripleChecker+Valid, 12534 SdHoareTripleChecker+Invalid, 1644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1642 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.6s IncrementalHoareTripleChecker+Time [2022-12-14 10:21:47,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3626 Valid, 12534 Invalid, 1644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1642 Invalid, 1 Unknown, 0 Unchecked, 15.6s Time] [2022-12-14 10:21:47,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34948 states. [2022-12-14 10:21:49,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34948 to 34814. [2022-12-14 10:21:49,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34814 states, 21019 states have (on average 1.3149055616347114) internal successors, (27638), 22234 states have internal predecessors, (27638), 11712 states have call successors, (11712), 2056 states have call predecessors, (11712), 2049 states have return successors, (11804), 11126 states have call predecessors, (11804), 11710 states have call successors, (11804) [2022-12-14 10:21:49,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34814 states to 34814 states and 51154 transitions. [2022-12-14 10:21:49,454 INFO L78 Accepts]: Start accepts. Automaton has 34814 states and 51154 transitions. Word has length 77 [2022-12-14 10:21:49,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:21:49,455 INFO L495 AbstractCegarLoop]: Abstraction has 34814 states and 51154 transitions. [2022-12-14 10:21:49,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-14 10:21:49,455 INFO L276 IsEmpty]: Start isEmpty. Operand 34814 states and 51154 transitions. [2022-12-14 10:21:49,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-12-14 10:21:49,456 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:21:49,456 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:21:49,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 10:21:49,457 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 10:21:49,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:21:49,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1418647477, now seen corresponding path program 1 times [2022-12-14 10:21:49,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:21:49,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586392054] [2022-12-14 10:21:49,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:21:49,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:21:49,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:21:49,909 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-12-14 10:21:49,909 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:21:49,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586392054] [2022-12-14 10:21:49,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586392054] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:21:49,910 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:21:49,910 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 10:21:49,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282466956] [2022-12-14 10:21:49,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:21:49,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:21:49,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:21:49,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:21:49,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:21:49,912 INFO L87 Difference]: Start difference. First operand 34814 states and 51154 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 10:21:52,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:21:58,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:21:58,949 INFO L93 Difference]: Finished difference Result 75516 states and 110275 transitions. [2022-12-14 10:21:58,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:21:58,950 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 93 [2022-12-14 10:21:58,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:21:59,075 INFO L225 Difference]: With dead ends: 75516 [2022-12-14 10:21:59,075 INFO L226 Difference]: Without dead ends: 40720 [2022-12-14 10:21:59,170 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:21:59,171 INFO L413 NwaCegarLoop]: 3989 mSDtfsCounter, 3642 mSDsluCounter, 1056 mSDsCounter, 0 mSdLazyCounter, 755 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3642 SdHoareTripleChecker+Valid, 5045 SdHoareTripleChecker+Invalid, 757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 755 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-12-14 10:21:59,171 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3642 Valid, 5045 Invalid, 757 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 755 Invalid, 1 Unknown, 0 Unchecked, 7.8s Time] [2022-12-14 10:21:59,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40720 states. [2022-12-14 10:22:01,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40720 to 40686. [2022-12-14 10:22:01,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40686 states, 24481 states have (on average 1.3056656182345492) internal successors, (31964), 25784 states have internal predecessors, (31964), 13516 states have call successors, (13516), 2666 states have call predecessors, (13516), 2655 states have return successors, (13624), 12902 states have call predecessors, (13624), 13514 states have call successors, (13624) [2022-12-14 10:22:01,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40686 states to 40686 states and 59104 transitions. [2022-12-14 10:22:01,267 INFO L78 Accepts]: Start accepts. Automaton has 40686 states and 59104 transitions. Word has length 93 [2022-12-14 10:22:01,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:22:01,268 INFO L495 AbstractCegarLoop]: Abstraction has 40686 states and 59104 transitions. [2022-12-14 10:22:01,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 10:22:01,268 INFO L276 IsEmpty]: Start isEmpty. Operand 40686 states and 59104 transitions. [2022-12-14 10:22:01,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-12-14 10:22:01,269 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:22:01,269 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:22:01,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 10:22:01,269 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 10:22:01,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:22:01,270 INFO L85 PathProgramCache]: Analyzing trace with hash -1213526265, now seen corresponding path program 1 times [2022-12-14 10:22:01,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:22:01,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424613050] [2022-12-14 10:22:01,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:22:01,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:22:01,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:22:01,795 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 10:22:01,795 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:22:01,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424613050] [2022-12-14 10:22:01,795 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424613050] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:22:01,795 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:22:01,795 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:22:01,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445293091] [2022-12-14 10:22:01,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:22:01,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:22:01,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:22:01,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:22:01,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:22:01,796 INFO L87 Difference]: Start difference. First operand 40686 states and 59104 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-14 10:22:04,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:22:08,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:22:17,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:22:19,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:22:19,176 INFO L93 Difference]: Finished difference Result 40818 states and 59234 transitions. [2022-12-14 10:22:19,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 10:22:19,177 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 82 [2022-12-14 10:22:19,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:22:19,287 INFO L225 Difference]: With dead ends: 40818 [2022-12-14 10:22:19,287 INFO L226 Difference]: Without dead ends: 40816 [2022-12-14 10:22:19,301 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:22:19,302 INFO L413 NwaCegarLoop]: 4716 mSDtfsCounter, 3624 mSDsluCounter, 8056 mSDsCounter, 0 mSdLazyCounter, 1666 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3626 SdHoareTripleChecker+Valid, 12772 SdHoareTripleChecker+Invalid, 1668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1666 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.0s IncrementalHoareTripleChecker+Time [2022-12-14 10:22:19,302 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3626 Valid, 12772 Invalid, 1668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1666 Invalid, 1 Unknown, 0 Unchecked, 16.0s Time] [2022-12-14 10:22:19,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40816 states. [2022-12-14 10:22:20,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40816 to 40694. [2022-12-14 10:22:20,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40694 states, 24486 states have (on average 1.305644041493098) internal successors, (31970), 25789 states have internal predecessors, (31970), 13518 states have call successors, (13518), 2667 states have call predecessors, (13518), 2656 states have return successors, (13626), 12904 states have call predecessors, (13626), 13516 states have call successors, (13626) [2022-12-14 10:22:21,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40694 states to 40694 states and 59114 transitions. [2022-12-14 10:22:21,154 INFO L78 Accepts]: Start accepts. Automaton has 40694 states and 59114 transitions. Word has length 82 [2022-12-14 10:22:21,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:22:21,154 INFO L495 AbstractCegarLoop]: Abstraction has 40694 states and 59114 transitions. [2022-12-14 10:22:21,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-14 10:22:21,155 INFO L276 IsEmpty]: Start isEmpty. Operand 40694 states and 59114 transitions. [2022-12-14 10:22:21,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-12-14 10:22:21,156 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:22:21,156 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:22:21,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 10:22:21,156 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 10:22:21,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:22:21,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1881471103, now seen corresponding path program 1 times [2022-12-14 10:22:21,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:22:21,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22210712] [2022-12-14 10:22:21,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:22:21,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:22:21,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:22:21,567 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-12-14 10:22:21,567 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:22:21,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22210712] [2022-12-14 10:22:21,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22210712] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 10:22:21,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [834893511] [2022-12-14 10:22:21,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:22:21,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:22:21,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:22:21,569 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 10:22:21,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 10:22:23,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:22:23,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 7718 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 10:22:23,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 10:22:23,120 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-12-14 10:22:23,120 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 10:22:23,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [834893511] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:22:23,120 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 10:22:23,120 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2022-12-14 10:22:23,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774475194] [2022-12-14 10:22:23,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:22:23,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:22:23,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:22:23,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:22:23,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-14 10:22:23,122 INFO L87 Difference]: Start difference. First operand 40694 states and 59114 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-14 10:22:25,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:22:31,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:22:31,924 INFO L93 Difference]: Finished difference Result 81436 states and 118269 transitions. [2022-12-14 10:22:31,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:22:31,925 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 98 [2022-12-14 10:22:31,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:22:32,050 INFO L225 Difference]: With dead ends: 81436 [2022-12-14 10:22:32,050 INFO L226 Difference]: Without dead ends: 40760 [2022-12-14 10:22:32,150 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-14 10:22:32,151 INFO L413 NwaCegarLoop]: 3990 mSDtfsCounter, 3629 mSDsluCounter, 1065 mSDsCounter, 0 mSdLazyCounter, 756 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3629 SdHoareTripleChecker+Valid, 5055 SdHoareTripleChecker+Invalid, 758 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 756 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-12-14 10:22:32,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3629 Valid, 5055 Invalid, 758 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 756 Invalid, 1 Unknown, 0 Unchecked, 7.1s Time] [2022-12-14 10:22:32,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40760 states. [2022-12-14 10:22:33,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40760 to 40726. [2022-12-14 10:22:33,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40726 states, 24502 states have (on average 1.3051179495551384) internal successors, (31978), 25805 states have internal predecessors, (31978), 13526 states have call successors, (13526), 2675 states have call predecessors, (13526), 2664 states have return successors, (13634), 12912 states have call predecessors, (13634), 13524 states have call successors, (13634) [2022-12-14 10:22:34,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40726 states to 40726 states and 59138 transitions. [2022-12-14 10:22:34,141 INFO L78 Accepts]: Start accepts. Automaton has 40726 states and 59138 transitions. Word has length 98 [2022-12-14 10:22:34,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:22:34,142 INFO L495 AbstractCegarLoop]: Abstraction has 40726 states and 59138 transitions. [2022-12-14 10:22:34,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-14 10:22:34,142 INFO L276 IsEmpty]: Start isEmpty. Operand 40726 states and 59138 transitions. [2022-12-14 10:22:34,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-12-14 10:22:34,143 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:22:34,143 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:22:34,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 10:22:34,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:22:34,345 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 10:22:34,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:22:34,346 INFO L85 PathProgramCache]: Analyzing trace with hash 2032514026, now seen corresponding path program 1 times [2022-12-14 10:22:34,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:22:34,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541496917] [2022-12-14 10:22:34,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:22:34,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:22:34,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:22:34,879 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 10:22:34,880 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:22:34,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541496917] [2022-12-14 10:22:34,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541496917] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:22:34,880 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:22:34,880 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:22:34,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050005133] [2022-12-14 10:22:34,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:22:34,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:22:34,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:22:34,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:22:34,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:22:34,881 INFO L87 Difference]: Start difference. First operand 40726 states and 59138 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-14 10:22:37,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:22:49,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:22:50,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:22:50,883 INFO L93 Difference]: Finished difference Result 40846 states and 59255 transitions. [2022-12-14 10:22:50,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 10:22:50,883 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 84 [2022-12-14 10:22:50,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:22:50,990 INFO L225 Difference]: With dead ends: 40846 [2022-12-14 10:22:50,990 INFO L226 Difference]: Without dead ends: 40844 [2022-12-14 10:22:51,003 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:22:51,003 INFO L413 NwaCegarLoop]: 4687 mSDtfsCounter, 3607 mSDsluCounter, 8031 mSDsCounter, 0 mSdLazyCounter, 1661 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3609 SdHoareTripleChecker+Valid, 12718 SdHoareTripleChecker+Invalid, 1664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1661 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.7s IncrementalHoareTripleChecker+Time [2022-12-14 10:22:51,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3609 Valid, 12718 Invalid, 1664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1661 Invalid, 2 Unknown, 0 Unchecked, 14.7s Time] [2022-12-14 10:22:51,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40844 states. [2022-12-14 10:22:52,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40844 to 40726. [2022-12-14 10:22:52,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40726 states, 24502 states have (on average 1.305077136560281) internal successors, (31977), 25805 states have internal predecessors, (31977), 13526 states have call successors, (13526), 2675 states have call predecessors, (13526), 2664 states have return successors, (13634), 12912 states have call predecessors, (13634), 13524 states have call successors, (13634) [2022-12-14 10:22:53,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40726 states to 40726 states and 59137 transitions. [2022-12-14 10:22:53,144 INFO L78 Accepts]: Start accepts. Automaton has 40726 states and 59137 transitions. Word has length 84 [2022-12-14 10:22:53,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:22:53,144 INFO L495 AbstractCegarLoop]: Abstraction has 40726 states and 59137 transitions. [2022-12-14 10:22:53,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-14 10:22:53,144 INFO L276 IsEmpty]: Start isEmpty. Operand 40726 states and 59137 transitions. [2022-12-14 10:22:53,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-12-14 10:22:53,145 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:22:53,145 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:22:53,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 10:22:53,145 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 10:22:53,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:22:53,145 INFO L85 PathProgramCache]: Analyzing trace with hash 1924947167, now seen corresponding path program 1 times [2022-12-14 10:22:53,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:22:53,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562557905] [2022-12-14 10:22:53,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:22:53,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:22:53,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:22:53,605 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 10:22:53,605 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:22:53,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562557905] [2022-12-14 10:22:53,605 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562557905] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:22:53,605 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:22:53,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:22:53,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063350880] [2022-12-14 10:22:53,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:22:53,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:22:53,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:22:53,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:22:53,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:22:53,606 INFO L87 Difference]: Start difference. First operand 40726 states and 59137 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-14 10:22:56,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:23:02,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:23:09,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:23:11,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:23:11,764 INFO L93 Difference]: Finished difference Result 40844 states and 59253 transitions. [2022-12-14 10:23:11,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 10:23:11,765 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 89 [2022-12-14 10:23:11,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:23:11,875 INFO L225 Difference]: With dead ends: 40844 [2022-12-14 10:23:11,876 INFO L226 Difference]: Without dead ends: 40842 [2022-12-14 10:23:11,892 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:23:11,892 INFO L413 NwaCegarLoop]: 4687 mSDtfsCounter, 3606 mSDsluCounter, 8031 mSDsCounter, 0 mSdLazyCounter, 1662 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3608 SdHoareTripleChecker+Valid, 12718 SdHoareTripleChecker+Invalid, 1664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1662 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.3s IncrementalHoareTripleChecker+Time [2022-12-14 10:23:11,892 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3608 Valid, 12718 Invalid, 1664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1662 Invalid, 1 Unknown, 0 Unchecked, 16.3s Time] [2022-12-14 10:23:11,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40842 states. [2022-12-14 10:23:14,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40842 to 40732. [2022-12-14 10:23:14,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40732 states, 24505 states have (on average 1.3050397877984086) internal successors, (31980), 25808 states have internal predecessors, (31980), 13528 states have call successors, (13528), 2676 states have call predecessors, (13528), 2665 states have return successors, (13636), 12914 states have call predecessors, (13636), 13526 states have call successors, (13636) [2022-12-14 10:23:14,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40732 states to 40732 states and 59144 transitions. [2022-12-14 10:23:14,278 INFO L78 Accepts]: Start accepts. Automaton has 40732 states and 59144 transitions. Word has length 89 [2022-12-14 10:23:14,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:23:14,278 INFO L495 AbstractCegarLoop]: Abstraction has 40732 states and 59144 transitions. [2022-12-14 10:23:14,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-14 10:23:14,278 INFO L276 IsEmpty]: Start isEmpty. Operand 40732 states and 59144 transitions. [2022-12-14 10:23:14,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-12-14 10:23:14,280 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:23:14,280 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:23:14,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 10:23:14,280 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 10:23:14,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:23:14,280 INFO L85 PathProgramCache]: Analyzing trace with hash 21949250, now seen corresponding path program 1 times [2022-12-14 10:23:14,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:23:14,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425517254] [2022-12-14 10:23:14,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:23:14,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:23:14,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:23:15,008 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-12-14 10:23:15,009 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:23:15,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425517254] [2022-12-14 10:23:15,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425517254] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:23:15,009 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:23:15,009 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 10:23:15,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182265344] [2022-12-14 10:23:15,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:23:15,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 10:23:15,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:23:15,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 10:23:15,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:23:15,010 INFO L87 Difference]: Start difference. First operand 40732 states and 59144 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 10:23:18,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:23:33,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:23:33,793 INFO L93 Difference]: Finished difference Result 53046 states and 76058 transitions. [2022-12-14 10:23:33,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 10:23:33,794 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 98 [2022-12-14 10:23:33,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:23:33,972 INFO L225 Difference]: With dead ends: 53046 [2022-12-14 10:23:33,972 INFO L226 Difference]: Without dead ends: 53044 [2022-12-14 10:23:34,001 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-14 10:23:34,001 INFO L413 NwaCegarLoop]: 4071 mSDtfsCounter, 2016 mSDsluCounter, 11126 mSDsCounter, 0 mSdLazyCounter, 2117 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2017 SdHoareTripleChecker+Valid, 15197 SdHoareTripleChecker+Invalid, 2120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2117 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.1s IncrementalHoareTripleChecker+Time [2022-12-14 10:23:34,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2017 Valid, 15197 Invalid, 2120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 2117 Invalid, 1 Unknown, 0 Unchecked, 17.1s Time] [2022-12-14 10:23:34,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53044 states. [2022-12-14 10:23:36,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53044 to 52760. [2022-12-14 10:23:36,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52760 states, 31777 states have (on average 1.2988639582087673) internal successors, (41274), 33468 states have internal predecessors, (41274), 17114 states have call successors, (17114), 3910 states have call predecessors, (17114), 3835 states have return successors, (17336), 16190 states have call predecessors, (17336), 17112 states have call successors, (17336) [2022-12-14 10:23:36,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52760 states to 52760 states and 75724 transitions. [2022-12-14 10:23:36,408 INFO L78 Accepts]: Start accepts. Automaton has 52760 states and 75724 transitions. Word has length 98 [2022-12-14 10:23:36,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:23:36,408 INFO L495 AbstractCegarLoop]: Abstraction has 52760 states and 75724 transitions. [2022-12-14 10:23:36,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 10:23:36,409 INFO L276 IsEmpty]: Start isEmpty. Operand 52760 states and 75724 transitions. [2022-12-14 10:23:36,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-12-14 10:23:36,410 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:23:36,410 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:23:36,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 10:23:36,410 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 10:23:36,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:23:36,410 INFO L85 PathProgramCache]: Analyzing trace with hash -995420029, now seen corresponding path program 1 times [2022-12-14 10:23:36,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:23:36,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867043756] [2022-12-14 10:23:36,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:23:36,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:23:36,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:23:36,937 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 10:23:36,937 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:23:36,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867043756] [2022-12-14 10:23:36,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867043756] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:23:36,937 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:23:36,937 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:23:36,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751326408] [2022-12-14 10:23:36,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:23:36,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:23:36,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:23:36,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:23:36,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:23:36,938 INFO L87 Difference]: Start difference. First operand 52760 states and 75724 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 10:23:39,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:23:41,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:23:44,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:23:49,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:23:49,556 INFO L93 Difference]: Finished difference Result 52760 states and 75724 transitions. [2022-12-14 10:23:49,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 10:23:49,557 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 94 [2022-12-14 10:23:49,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:23:49,722 INFO L225 Difference]: With dead ends: 52760 [2022-12-14 10:23:49,722 INFO L226 Difference]: Without dead ends: 52758 [2022-12-14 10:23:49,748 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:23:49,749 INFO L413 NwaCegarLoop]: 3368 mSDtfsCounter, 3840 mSDsluCounter, 3368 mSDsCounter, 0 mSdLazyCounter, 998 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3842 SdHoareTripleChecker+Valid, 6736 SdHoareTripleChecker+Invalid, 999 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 998 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2022-12-14 10:23:49,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3842 Valid, 6736 Invalid, 999 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 998 Invalid, 1 Unknown, 0 Unchecked, 10.7s Time] [2022-12-14 10:23:49,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52758 states. [2022-12-14 10:23:52,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52758 to 52758. [2022-12-14 10:23:52,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52758 states, 31776 states have (on average 1.2988418932527694) internal successors, (41272), 33466 states have internal predecessors, (41272), 17114 states have call successors, (17114), 3910 states have call predecessors, (17114), 3835 states have return successors, (17336), 16190 states have call predecessors, (17336), 17112 states have call successors, (17336) [2022-12-14 10:23:52,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52758 states to 52758 states and 75722 transitions. [2022-12-14 10:23:52,307 INFO L78 Accepts]: Start accepts. Automaton has 52758 states and 75722 transitions. Word has length 94 [2022-12-14 10:23:52,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:23:52,308 INFO L495 AbstractCegarLoop]: Abstraction has 52758 states and 75722 transitions. [2022-12-14 10:23:52,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 10:23:52,308 INFO L276 IsEmpty]: Start isEmpty. Operand 52758 states and 75722 transitions. [2022-12-14 10:23:52,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-12-14 10:23:52,309 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:23:52,309 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:23:52,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 10:23:52,309 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 10:23:52,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:23:52,310 INFO L85 PathProgramCache]: Analyzing trace with hash 1010765594, now seen corresponding path program 1 times [2022-12-14 10:23:52,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:23:52,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365656110] [2022-12-14 10:23:52,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:23:52,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:23:52,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:23:52,753 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 10:23:52,753 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:23:52,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365656110] [2022-12-14 10:23:52,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365656110] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:23:52,754 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:23:52,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:23:52,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330222102] [2022-12-14 10:23:52,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:23:52,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:23:52,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:23:52,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:23:52,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:23:52,755 INFO L87 Difference]: Start difference. First operand 52758 states and 75722 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-14 10:23:55,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:23:58,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:24:09,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:24:09,214 INFO L93 Difference]: Finished difference Result 52864 states and 75826 transitions. [2022-12-14 10:24:09,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 10:24:09,215 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 99 [2022-12-14 10:24:09,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:24:09,377 INFO L225 Difference]: With dead ends: 52864 [2022-12-14 10:24:09,377 INFO L226 Difference]: Without dead ends: 52862 [2022-12-14 10:24:09,402 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:24:09,403 INFO L413 NwaCegarLoop]: 4721 mSDtfsCounter, 3598 mSDsluCounter, 8063 mSDsCounter, 0 mSdLazyCounter, 1680 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3600 SdHoareTripleChecker+Valid, 12784 SdHoareTripleChecker+Invalid, 1682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1680 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2022-12-14 10:24:09,403 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3600 Valid, 12784 Invalid, 1682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1680 Invalid, 1 Unknown, 0 Unchecked, 14.5s Time] [2022-12-14 10:24:09,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52862 states. [2022-12-14 10:24:11,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52862 to 52770. [2022-12-14 10:24:11,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52770 states, 31782 states have (on average 1.298785476055629) internal successors, (41278), 33472 states have internal predecessors, (41278), 17118 states have call successors, (17118), 3912 states have call predecessors, (17118), 3837 states have return successors, (17340), 16194 states have call predecessors, (17340), 17116 states have call successors, (17340) [2022-12-14 10:24:12,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52770 states to 52770 states and 75736 transitions. [2022-12-14 10:24:12,083 INFO L78 Accepts]: Start accepts. Automaton has 52770 states and 75736 transitions. Word has length 99 [2022-12-14 10:24:12,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:24:12,083 INFO L495 AbstractCegarLoop]: Abstraction has 52770 states and 75736 transitions. [2022-12-14 10:24:12,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-14 10:24:12,083 INFO L276 IsEmpty]: Start isEmpty. Operand 52770 states and 75736 transitions. [2022-12-14 10:24:12,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-12-14 10:24:12,085 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:24:12,085 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:24:12,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-14 10:24:12,085 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 10:24:12,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:24:12,085 INFO L85 PathProgramCache]: Analyzing trace with hash 785737292, now seen corresponding path program 1 times [2022-12-14 10:24:12,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:24:12,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115955740] [2022-12-14 10:24:12,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:24:12,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:24:12,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:24:12,860 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-12-14 10:24:12,860 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:24:12,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115955740] [2022-12-14 10:24:12,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115955740] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:24:12,861 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:24:12,861 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 10:24:12,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158867653] [2022-12-14 10:24:12,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:24:12,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:24:12,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:24:12,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:24:12,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:24:12,862 INFO L87 Difference]: Start difference. First operand 52770 states and 75736 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-12-14 10:24:15,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:24:19,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:24:24,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:24:28,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:24:28,026 INFO L93 Difference]: Finished difference Result 121824 states and 175023 transitions. [2022-12-14 10:24:28,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:24:28,027 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 116 [2022-12-14 10:24:28,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:24:28,255 INFO L225 Difference]: With dead ends: 121824 [2022-12-14 10:24:28,255 INFO L226 Difference]: Without dead ends: 69072 [2022-12-14 10:24:28,385 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:24:28,385 INFO L413 NwaCegarLoop]: 4776 mSDtfsCounter, 3463 mSDsluCounter, 3342 mSDsCounter, 0 mSdLazyCounter, 1103 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3463 SdHoareTripleChecker+Valid, 8118 SdHoareTripleChecker+Invalid, 1104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1103 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2022-12-14 10:24:28,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3463 Valid, 8118 Invalid, 1104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1103 Invalid, 1 Unknown, 0 Unchecked, 11.8s Time] [2022-12-14 10:24:28,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69072 states. [2022-12-14 10:24:31,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69072 to 62154. [2022-12-14 10:24:31,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62154 states, 37416 states have (on average 1.299657900363481) internal successors, (48628), 39412 states have internal predecessors, (48628), 20236 states have call successors, (20236), 4546 states have call predecessors, (20236), 4469 states have return successors, (20474), 19160 states have call predecessors, (20474), 20234 states have call successors, (20474) [2022-12-14 10:24:32,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62154 states to 62154 states and 89338 transitions. [2022-12-14 10:24:32,146 INFO L78 Accepts]: Start accepts. Automaton has 62154 states and 89338 transitions. Word has length 116 [2022-12-14 10:24:32,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:24:32,146 INFO L495 AbstractCegarLoop]: Abstraction has 62154 states and 89338 transitions. [2022-12-14 10:24:32,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-12-14 10:24:32,146 INFO L276 IsEmpty]: Start isEmpty. Operand 62154 states and 89338 transitions. [2022-12-14 10:24:32,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-12-14 10:24:32,148 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:24:32,148 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:24:32,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-14 10:24:32,148 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 10:24:32,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:24:32,149 INFO L85 PathProgramCache]: Analyzing trace with hash -1208449439, now seen corresponding path program 1 times [2022-12-14 10:24:32,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:24:32,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754494866] [2022-12-14 10:24:32,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:24:32,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:24:32,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:24:32,728 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 10:24:32,728 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:24:32,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754494866] [2022-12-14 10:24:32,729 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754494866] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:24:32,729 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:24:32,729 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:24:32,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13875185] [2022-12-14 10:24:32,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:24:32,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:24:32,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:24:32,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:24:32,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:24:32,730 INFO L87 Difference]: Start difference. First operand 62154 states and 89338 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-14 10:24:35,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:24:42,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:24:50,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:24:50,389 INFO L93 Difference]: Finished difference Result 62246 states and 89426 transitions. [2022-12-14 10:24:50,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 10:24:50,389 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 104 [2022-12-14 10:24:50,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:24:50,580 INFO L225 Difference]: With dead ends: 62246 [2022-12-14 10:24:50,580 INFO L226 Difference]: Without dead ends: 62244 [2022-12-14 10:24:50,603 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:24:50,604 INFO L413 NwaCegarLoop]: 4517 mSDtfsCounter, 3595 mSDsluCounter, 7859 mSDsCounter, 0 mSdLazyCounter, 1608 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3597 SdHoareTripleChecker+Valid, 12376 SdHoareTripleChecker+Invalid, 1610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1608 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.0s IncrementalHoareTripleChecker+Time [2022-12-14 10:24:50,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3597 Valid, 12376 Invalid, 1610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1608 Invalid, 1 Unknown, 0 Unchecked, 15.0s Time] [2022-12-14 10:24:50,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62244 states. [2022-12-14 10:24:54,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62244 to 62160. [2022-12-14 10:24:54,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62160 states, 37419 states have (on average 1.2996338758384778) internal successors, (48631), 39415 states have internal predecessors, (48631), 20238 states have call successors, (20238), 4547 states have call predecessors, (20238), 4470 states have return successors, (20476), 19162 states have call predecessors, (20476), 20236 states have call successors, (20476) [2022-12-14 10:24:54,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62160 states to 62160 states and 89345 transitions. [2022-12-14 10:24:54,435 INFO L78 Accepts]: Start accepts. Automaton has 62160 states and 89345 transitions. Word has length 104 [2022-12-14 10:24:54,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:24:54,435 INFO L495 AbstractCegarLoop]: Abstraction has 62160 states and 89345 transitions. [2022-12-14 10:24:54,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-14 10:24:54,435 INFO L276 IsEmpty]: Start isEmpty. Operand 62160 states and 89345 transitions. [2022-12-14 10:24:54,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-12-14 10:24:54,437 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:24:54,437 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:24:54,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-14 10:24:54,437 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 10:24:54,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:24:54,438 INFO L85 PathProgramCache]: Analyzing trace with hash 598880573, now seen corresponding path program 1 times [2022-12-14 10:24:54,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:24:54,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089850868] [2022-12-14 10:24:54,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:24:54,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:24:54,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:24:55,842 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-12-14 10:24:55,842 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:24:55,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089850868] [2022-12-14 10:24:55,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089850868] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:24:55,842 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:24:55,842 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 10:24:55,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733185297] [2022-12-14 10:24:55,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:24:55,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 10:24:55,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:24:55,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 10:24:55,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 10:24:55,844 INFO L87 Difference]: Start difference. First operand 62160 states and 89345 transitions. Second operand has 6 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-14 10:24:59,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:25:09,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:25:11,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:25:20,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:25:22,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:25:26,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:25:26,597 INFO L93 Difference]: Finished difference Result 86840 states and 124731 transitions. [2022-12-14 10:25:26,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 10:25:26,598 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 121 [2022-12-14 10:25:26,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:25:26,864 INFO L225 Difference]: With dead ends: 86840 [2022-12-14 10:25:26,864 INFO L226 Difference]: Without dead ends: 86838 [2022-12-14 10:25:26,899 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-12-14 10:25:26,899 INFO L413 NwaCegarLoop]: 4554 mSDtfsCounter, 3622 mSDsluCounter, 15317 mSDsCounter, 0 mSdLazyCounter, 4399 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3626 SdHoareTripleChecker+Valid, 19871 SdHoareTripleChecker+Invalid, 4404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4399 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.7s IncrementalHoareTripleChecker+Time [2022-12-14 10:25:26,899 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3626 Valid, 19871 Invalid, 4404 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 4399 Invalid, 3 Unknown, 0 Unchecked, 26.7s Time] [2022-12-14 10:25:26,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86838 states. [2022-12-14 10:25:31,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86838 to 86552. [2022-12-14 10:25:31,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86552 states, 52011 states have (on average 1.2975524408298245) internal successors, (67487), 54719 states have internal predecessors, (67487), 28218 states have call successors, (28218), 6371 states have call predecessors, (28218), 6290 states have return successors, (28668), 26778 states have call predecessors, (28668), 28216 states have call successors, (28668) [2022-12-14 10:25:31,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86552 states to 86552 states and 124373 transitions. [2022-12-14 10:25:31,703 INFO L78 Accepts]: Start accepts. Automaton has 86552 states and 124373 transitions. Word has length 121 [2022-12-14 10:25:31,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:25:31,704 INFO L495 AbstractCegarLoop]: Abstraction has 86552 states and 124373 transitions. [2022-12-14 10:25:31,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-14 10:25:31,704 INFO L276 IsEmpty]: Start isEmpty. Operand 86552 states and 124373 transitions. [2022-12-14 10:25:31,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-12-14 10:25:31,705 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:25:31,706 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:25:31,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-14 10:25:31,706 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 10:25:31,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:25:31,706 INFO L85 PathProgramCache]: Analyzing trace with hash 247712253, now seen corresponding path program 1 times [2022-12-14 10:25:31,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:25:31,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897406507] [2022-12-14 10:25:31,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:25:31,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:25:31,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:25:32,075 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-12-14 10:25:32,075 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:25:32,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897406507] [2022-12-14 10:25:32,075 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897406507] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:25:32,075 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:25:32,075 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 10:25:32,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194969243] [2022-12-14 10:25:32,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:25:32,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:25:32,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:25:32,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:25:32,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:25:32,076 INFO L87 Difference]: Start difference. First operand 86552 states and 124373 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-14 10:25:34,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:25:42,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:25:46,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:25:46,173 INFO L93 Difference]: Finished difference Result 173118 states and 248907 transitions. [2022-12-14 10:25:46,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:25:46,174 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 124 [2022-12-14 10:25:46,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:25:46,504 INFO L225 Difference]: With dead ends: 173118 [2022-12-14 10:25:46,504 INFO L226 Difference]: Without dead ends: 86584 [2022-12-14 10:25:46,733 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:25:46,734 INFO L413 NwaCegarLoop]: 4521 mSDtfsCounter, 3570 mSDsluCounter, 3342 mSDsCounter, 0 mSdLazyCounter, 1055 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3570 SdHoareTripleChecker+Valid, 7863 SdHoareTripleChecker+Invalid, 1056 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1055 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2022-12-14 10:25:46,734 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3570 Valid, 7863 Invalid, 1056 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1055 Invalid, 1 Unknown, 0 Unchecked, 9.8s Time] [2022-12-14 10:25:46,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86584 states. [2022-12-14 10:25:51,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86584 to 86504. [2022-12-14 10:25:51,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86504 states, 51963 states have (on average 1.296903565998884) internal successors, (67391), 54671 states have internal predecessors, (67391), 28218 states have call successors, (28218), 6371 states have call predecessors, (28218), 6290 states have return successors, (28668), 26778 states have call predecessors, (28668), 28216 states have call successors, (28668) [2022-12-14 10:25:51,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86504 states to 86504 states and 124277 transitions. [2022-12-14 10:25:51,686 INFO L78 Accepts]: Start accepts. Automaton has 86504 states and 124277 transitions. Word has length 124 [2022-12-14 10:25:51,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:25:51,686 INFO L495 AbstractCegarLoop]: Abstraction has 86504 states and 124277 transitions. [2022-12-14 10:25:51,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-14 10:25:51,686 INFO L276 IsEmpty]: Start isEmpty. Operand 86504 states and 124277 transitions. [2022-12-14 10:25:51,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-12-14 10:25:51,688 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:25:51,688 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:25:51,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-14 10:25:51,688 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 10:25:51,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:25:51,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1642784326, now seen corresponding path program 1 times [2022-12-14 10:25:51,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:25:51,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098433240] [2022-12-14 10:25:51,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:25:51,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:25:51,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:25:52,204 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 10:25:52,204 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:25:52,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098433240] [2022-12-14 10:25:52,205 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098433240] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:25:52,205 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:25:52,205 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:25:52,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750382324] [2022-12-14 10:25:52,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:25:52,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:25:52,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:25:52,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:25:52,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:25:52,206 INFO L87 Difference]: Start difference. First operand 86504 states and 124277 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-14 10:25:54,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:25:59,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:26:01,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:26:06,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:26:10,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:26:10,527 INFO L93 Difference]: Finished difference Result 86584 states and 124354 transitions. [2022-12-14 10:26:10,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 10:26:10,528 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 109 [2022-12-14 10:26:10,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:26:10,821 INFO L225 Difference]: With dead ends: 86584 [2022-12-14 10:26:10,821 INFO L226 Difference]: Without dead ends: 86582 [2022-12-14 10:26:10,857 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:26:10,858 INFO L413 NwaCegarLoop]: 4517 mSDtfsCounter, 3585 mSDsluCounter, 7859 mSDsCounter, 0 mSdLazyCounter, 1608 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3587 SdHoareTripleChecker+Valid, 12376 SdHoareTripleChecker+Invalid, 1610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1608 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.6s IncrementalHoareTripleChecker+Time [2022-12-14 10:26:10,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3587 Valid, 12376 Invalid, 1610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1608 Invalid, 1 Unknown, 0 Unchecked, 14.6s Time] [2022-12-14 10:26:10,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86582 states. [2022-12-14 10:26:15,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86582 to 86510. [2022-12-14 10:26:15,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86510 states, 51966 states have (on average 1.2968864257399069) internal successors, (67394), 54674 states have internal predecessors, (67394), 28220 states have call successors, (28220), 6372 states have call predecessors, (28220), 6291 states have return successors, (28670), 26780 states have call predecessors, (28670), 28218 states have call successors, (28670) [2022-12-14 10:26:15,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86510 states to 86510 states and 124284 transitions. [2022-12-14 10:26:15,882 INFO L78 Accepts]: Start accepts. Automaton has 86510 states and 124284 transitions. Word has length 109 [2022-12-14 10:26:15,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:26:15,883 INFO L495 AbstractCegarLoop]: Abstraction has 86510 states and 124284 transitions. [2022-12-14 10:26:15,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-14 10:26:15,883 INFO L276 IsEmpty]: Start isEmpty. Operand 86510 states and 124284 transitions. [2022-12-14 10:26:15,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-12-14 10:26:15,885 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:26:15,885 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:26:15,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-14 10:26:15,885 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 10:26:15,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:26:15,886 INFO L85 PathProgramCache]: Analyzing trace with hash 783082747, now seen corresponding path program 1 times [2022-12-14 10:26:15,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:26:15,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846986966] [2022-12-14 10:26:15,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:26:15,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:26:15,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:26:16,432 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 10:26:16,433 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:26:16,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846986966] [2022-12-14 10:26:16,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846986966] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:26:16,433 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:26:16,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:26:16,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427511681] [2022-12-14 10:26:16,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:26:16,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:26:16,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:26:16,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:26:16,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:26:16,434 INFO L87 Difference]: Start difference. First operand 86510 states and 124284 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-14 10:26:19,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:26:25,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:26:31,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:26:35,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:26:35,297 INFO L93 Difference]: Finished difference Result 86582 states and 124352 transitions. [2022-12-14 10:26:35,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 10:26:35,298 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 114 [2022-12-14 10:26:35,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:26:35,604 INFO L225 Difference]: With dead ends: 86582 [2022-12-14 10:26:35,605 INFO L226 Difference]: Without dead ends: 86580 [2022-12-14 10:26:35,637 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:26:35,637 INFO L413 NwaCegarLoop]: 4520 mSDtfsCounter, 3582 mSDsluCounter, 7862 mSDsCounter, 0 mSdLazyCounter, 1612 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3584 SdHoareTripleChecker+Valid, 12382 SdHoareTripleChecker+Invalid, 1614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1612 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.1s IncrementalHoareTripleChecker+Time [2022-12-14 10:26:35,638 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3584 Valid, 12382 Invalid, 1614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1612 Invalid, 1 Unknown, 0 Unchecked, 15.1s Time] [2022-12-14 10:26:35,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86580 states. [2022-12-14 10:26:40,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86580 to 86516. [2022-12-14 10:26:41,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86516 states, 51969 states have (on average 1.2968692874598318) internal successors, (67397), 54677 states have internal predecessors, (67397), 28222 states have call successors, (28222), 6373 states have call predecessors, (28222), 6292 states have return successors, (28672), 26782 states have call predecessors, (28672), 28220 states have call successors, (28672) [2022-12-14 10:26:41,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86516 states to 86516 states and 124291 transitions. [2022-12-14 10:26:41,451 INFO L78 Accepts]: Start accepts. Automaton has 86516 states and 124291 transitions. Word has length 114 [2022-12-14 10:26:41,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:26:41,451 INFO L495 AbstractCegarLoop]: Abstraction has 86516 states and 124291 transitions. [2022-12-14 10:26:41,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-14 10:26:41,451 INFO L276 IsEmpty]: Start isEmpty. Operand 86516 states and 124291 transitions. [2022-12-14 10:26:41,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-12-14 10:26:41,453 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:26:41,453 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 4, 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] [2022-12-14 10:26:41,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-14 10:26:41,453 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 10:26:41,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:26:41,454 INFO L85 PathProgramCache]: Analyzing trace with hash -1949442422, now seen corresponding path program 1 times [2022-12-14 10:26:41,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:26:41,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996098478] [2022-12-14 10:26:41,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:26:41,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:26:41,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:26:41,841 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-12-14 10:26:41,841 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:26:41,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996098478] [2022-12-14 10:26:41,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996098478] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:26:41,841 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:26:41,841 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:26:41,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155957001] [2022-12-14 10:26:41,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:26:41,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:26:41,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:26:41,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:26:41,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:26:41,843 INFO L87 Difference]: Start difference. First operand 86516 states and 124291 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, (28), 2 states have call predecessors, (28), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-12-14 10:26:44,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:26:50,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:26:52,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:27:01,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:27:01,157 INFO L93 Difference]: Finished difference Result 151225 states and 221494 transitions. [2022-12-14 10:27:01,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 10:27:01,158 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, (28), 2 states have call predecessors, (28), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 130 [2022-12-14 10:27:01,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:27:01,566 INFO L225 Difference]: With dead ends: 151225 [2022-12-14 10:27:01,566 INFO L226 Difference]: Without dead ends: 104274 [2022-12-14 10:27:01,702 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:27:01,703 INFO L413 NwaCegarLoop]: 3950 mSDtfsCounter, 584 mSDsluCounter, 7301 mSDsCounter, 0 mSdLazyCounter, 1550 mSolverCounterSat, 281 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 721 SdHoareTripleChecker+Valid, 11251 SdHoareTripleChecker+Invalid, 1832 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 281 IncrementalHoareTripleChecker+Valid, 1550 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2022-12-14 10:27:01,703 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [721 Valid, 11251 Invalid, 1832 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [281 Valid, 1550 Invalid, 1 Unknown, 0 Unchecked, 13.8s Time] [2022-12-14 10:27:01,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104274 states. [2022-12-14 10:27:07,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104274 to 86588. [2022-12-14 10:27:07,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86588 states, 52041 states have (on average 1.2964585615188025) internal successors, (67469), 54749 states have internal predecessors, (67469), 28222 states have call successors, (28222), 6373 states have call predecessors, (28222), 6292 states have return successors, (28672), 26782 states have call predecessors, (28672), 28220 states have call successors, (28672) [2022-12-14 10:27:07,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86588 states to 86588 states and 124363 transitions. [2022-12-14 10:27:07,963 INFO L78 Accepts]: Start accepts. Automaton has 86588 states and 124363 transitions. Word has length 130 [2022-12-14 10:27:07,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:27:07,963 INFO L495 AbstractCegarLoop]: Abstraction has 86588 states and 124363 transitions. [2022-12-14 10:27:07,963 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, (28), 2 states have call predecessors, (28), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-12-14 10:27:07,963 INFO L276 IsEmpty]: Start isEmpty. Operand 86588 states and 124363 transitions. [2022-12-14 10:27:07,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-12-14 10:27:07,965 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:27:07,965 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:27:07,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-12-14 10:27:07,965 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 10:27:07,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:27:07,965 INFO L85 PathProgramCache]: Analyzing trace with hash 834680802, now seen corresponding path program 1 times [2022-12-14 10:27:07,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:27:07,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566099850] [2022-12-14 10:27:07,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:27:07,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:27:08,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:27:08,844 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2022-12-14 10:27:08,844 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:27:08,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566099850] [2022-12-14 10:27:08,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566099850] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:27:08,844 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:27:08,844 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 10:27:08,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184024673] [2022-12-14 10:27:08,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:27:08,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 10:27:08,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:27:08,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 10:27:08,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:27:08,846 INFO L87 Difference]: Start difference. First operand 86588 states and 124363 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (26), 3 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-14 10:27:11,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:27:13,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:27:15,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:27:17,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:27:27,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:27:29,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:27:36,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:27:36,724 INFO L93 Difference]: Finished difference Result 87288 states and 125085 transitions. [2022-12-14 10:27:36,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 10:27:36,725 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (26), 3 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 123 [2022-12-14 10:27:36,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:27:37,064 INFO L225 Difference]: With dead ends: 87288 [2022-12-14 10:27:37,064 INFO L226 Difference]: Without dead ends: 87286 [2022-12-14 10:27:37,097 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-14 10:27:37,097 INFO L413 NwaCegarLoop]: 3461 mSDtfsCounter, 1773 mSDsluCounter, 8869 mSDsCounter, 0 mSdLazyCounter, 1870 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1774 SdHoareTripleChecker+Valid, 12330 SdHoareTripleChecker+Invalid, 1873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1870 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.3s IncrementalHoareTripleChecker+Time [2022-12-14 10:27:37,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1774 Valid, 12330 Invalid, 1873 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1870 Invalid, 3 Unknown, 0 Unchecked, 23.3s Time] [2022-12-14 10:27:37,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87286 states. [2022-12-14 10:27:42,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87286 to 87250. [2022-12-14 10:27:42,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87250 states, 52456 states have (on average 1.295104468506939) internal successors, (67936), 55163 states have internal predecessors, (67936), 28310 states have call successors, (28310), 6533 states have call predecessors, (28310), 6452 states have return successors, (28760), 26870 states have call predecessors, (28760), 28308 states have call successors, (28760) [2022-12-14 10:27:42,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87250 states to 87250 states and 125006 transitions. [2022-12-14 10:27:42,735 INFO L78 Accepts]: Start accepts. Automaton has 87250 states and 125006 transitions. Word has length 123 [2022-12-14 10:27:42,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:27:42,735 INFO L495 AbstractCegarLoop]: Abstraction has 87250 states and 125006 transitions. [2022-12-14 10:27:42,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (26), 3 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-14 10:27:42,736 INFO L276 IsEmpty]: Start isEmpty. Operand 87250 states and 125006 transitions. [2022-12-14 10:27:42,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-12-14 10:27:42,738 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:27:42,739 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:27:42,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-12-14 10:27:42,739 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 10:27:42,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:27:42,739 INFO L85 PathProgramCache]: Analyzing trace with hash 1592502145, now seen corresponding path program 1 times [2022-12-14 10:27:42,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:27:42,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139506345] [2022-12-14 10:27:42,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:27:42,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:27:42,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:27:43,767 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 10:27:43,768 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:27:43,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139506345] [2022-12-14 10:27:43,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139506345] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:27:43,768 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:27:43,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:27:43,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456976988] [2022-12-14 10:27:43,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:27:43,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:27:43,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:27:43,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:27:43,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:27:43,769 INFO L87 Difference]: Start difference. First operand 87250 states and 125006 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-14 10:27:46,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:27:53,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:28:00,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:28:04,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:28:04,668 INFO L93 Difference]: Finished difference Result 87312 states and 125064 transitions. [2022-12-14 10:28:04,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 10:28:04,669 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 119 [2022-12-14 10:28:04,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:28:04,957 INFO L225 Difference]: With dead ends: 87312 [2022-12-14 10:28:04,957 INFO L226 Difference]: Without dead ends: 87310 [2022-12-14 10:28:04,992 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:28:04,993 INFO L413 NwaCegarLoop]: 4658 mSDtfsCounter, 3577 mSDsluCounter, 7998 mSDsCounter, 0 mSdLazyCounter, 1648 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3579 SdHoareTripleChecker+Valid, 12656 SdHoareTripleChecker+Invalid, 1650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1648 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.9s IncrementalHoareTripleChecker+Time [2022-12-14 10:28:04,993 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3579 Valid, 12656 Invalid, 1650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1648 Invalid, 1 Unknown, 0 Unchecked, 15.9s Time] [2022-12-14 10:28:05,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87310 states. [2022-12-14 10:28:10,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87310 to 87256. [2022-12-14 10:28:10,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87256 states, 52459 states have (on average 1.2950875922148726) internal successors, (67939), 55166 states have internal predecessors, (67939), 28312 states have call successors, (28312), 6534 states have call predecessors, (28312), 6453 states have return successors, (28762), 26872 states have call predecessors, (28762), 28310 states have call successors, (28762) [2022-12-14 10:28:10,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87256 states to 87256 states and 125013 transitions. [2022-12-14 10:28:10,744 INFO L78 Accepts]: Start accepts. Automaton has 87256 states and 125013 transitions. Word has length 119 [2022-12-14 10:28:10,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:28:10,745 INFO L495 AbstractCegarLoop]: Abstraction has 87256 states and 125013 transitions. [2022-12-14 10:28:10,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-14 10:28:10,745 INFO L276 IsEmpty]: Start isEmpty. Operand 87256 states and 125013 transitions. [2022-12-14 10:28:10,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-12-14 10:28:10,746 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:28:10,747 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:28:10,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-12-14 10:28:10,747 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 10:28:10,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:28:10,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1981420068, now seen corresponding path program 1 times [2022-12-14 10:28:10,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:28:10,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742465600] [2022-12-14 10:28:10,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:28:10,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:28:10,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:28:11,282 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 10:28:11,282 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:28:11,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742465600] [2022-12-14 10:28:11,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742465600] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:28:11,283 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:28:11,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:28:11,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145630884] [2022-12-14 10:28:11,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:28:11,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:28:11,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:28:11,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:28:11,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:28:11,284 INFO L87 Difference]: Start difference. First operand 87256 states and 125013 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-12-14 10:28:14,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:28:20,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:28:30,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:28:30,178 INFO L93 Difference]: Finished difference Result 87310 states and 125062 transitions. [2022-12-14 10:28:30,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 10:28:30,179 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 124 [2022-12-14 10:28:30,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:28:30,466 INFO L225 Difference]: With dead ends: 87310 [2022-12-14 10:28:30,466 INFO L226 Difference]: Without dead ends: 87308 [2022-12-14 10:28:30,500 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:28:30,501 INFO L413 NwaCegarLoop]: 4658 mSDtfsCounter, 3574 mSDsluCounter, 7998 mSDsCounter, 0 mSdLazyCounter, 1648 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3576 SdHoareTripleChecker+Valid, 12656 SdHoareTripleChecker+Invalid, 1650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1648 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.2s IncrementalHoareTripleChecker+Time [2022-12-14 10:28:30,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3576 Valid, 12656 Invalid, 1650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1648 Invalid, 1 Unknown, 0 Unchecked, 14.2s Time] [2022-12-14 10:28:30,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87308 states. [2022-12-14 10:28:36,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87308 to 87262. [2022-12-14 10:28:36,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87262 states, 52462 states have (on average 1.2950707178529222) internal successors, (67942), 55169 states have internal predecessors, (67942), 28314 states have call successors, (28314), 6535 states have call predecessors, (28314), 6454 states have return successors, (28764), 26874 states have call predecessors, (28764), 28312 states have call successors, (28764) [2022-12-14 10:28:36,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87262 states to 87262 states and 125020 transitions. [2022-12-14 10:28:36,531 INFO L78 Accepts]: Start accepts. Automaton has 87262 states and 125020 transitions. Word has length 124 [2022-12-14 10:28:36,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:28:36,532 INFO L495 AbstractCegarLoop]: Abstraction has 87262 states and 125020 transitions. [2022-12-14 10:28:36,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-12-14 10:28:36,532 INFO L276 IsEmpty]: Start isEmpty. Operand 87262 states and 125020 transitions. [2022-12-14 10:28:36,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-12-14 10:28:36,534 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:28:36,534 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:28:36,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-12-14 10:28:36,534 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 10:28:36,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:28:36,535 INFO L85 PathProgramCache]: Analyzing trace with hash -447976896, now seen corresponding path program 1 times [2022-12-14 10:28:36,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:28:36,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434019026] [2022-12-14 10:28:36,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:28:36,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:28:36,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:28:37,055 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 10:28:37,055 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:28:37,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434019026] [2022-12-14 10:28:37,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434019026] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:28:37,055 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:28:37,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:28:37,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109891110] [2022-12-14 10:28:37,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:28:37,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:28:37,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:28:37,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:28:37,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:28:37,057 INFO L87 Difference]: Start difference. First operand 87262 states and 125020 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-12-14 10:28:39,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:28:42,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:28:47,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:28:56,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:28:56,508 INFO L93 Difference]: Finished difference Result 87372 states and 125125 transitions. [2022-12-14 10:28:56,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 10:28:56,509 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 129 [2022-12-14 10:28:56,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:28:56,799 INFO L225 Difference]: With dead ends: 87372 [2022-12-14 10:28:56,799 INFO L226 Difference]: Without dead ends: 87370 [2022-12-14 10:28:56,834 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:28:56,835 INFO L413 NwaCegarLoop]: 4651 mSDtfsCounter, 3543 mSDsluCounter, 7991 mSDsCounter, 0 mSdLazyCounter, 1645 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3545 SdHoareTripleChecker+Valid, 12642 SdHoareTripleChecker+Invalid, 1648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1645 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.4s IncrementalHoareTripleChecker+Time [2022-12-14 10:28:56,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3545 Valid, 12642 Invalid, 1648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1645 Invalid, 2 Unknown, 0 Unchecked, 14.4s Time] [2022-12-14 10:28:56,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87370 states. [2022-12-14 10:29:02,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87370 to 87330. [2022-12-14 10:29:02,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87330 states, 52503 states have (on average 1.2948402948402948) internal successors, (67983), 55210 states have internal predecessors, (67983), 28328 states have call successors, (28328), 6548 states have call predecessors, (28328), 6467 states have return successors, (28778), 26888 states have call predecessors, (28778), 28326 states have call successors, (28778) [2022-12-14 10:29:02,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87330 states to 87330 states and 125089 transitions. [2022-12-14 10:29:02,734 INFO L78 Accepts]: Start accepts. Automaton has 87330 states and 125089 transitions. Word has length 129 [2022-12-14 10:29:02,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:29:02,735 INFO L495 AbstractCegarLoop]: Abstraction has 87330 states and 125089 transitions. [2022-12-14 10:29:02,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-12-14 10:29:02,735 INFO L276 IsEmpty]: Start isEmpty. Operand 87330 states and 125089 transitions. [2022-12-14 10:29:02,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-12-14 10:29:02,737 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:29:02,737 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:29:02,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-12-14 10:29:02,737 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 10:29:02,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:29:02,738 INFO L85 PathProgramCache]: Analyzing trace with hash -2135678593, now seen corresponding path program 1 times [2022-12-14 10:29:02,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:29:02,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786751628] [2022-12-14 10:29:02,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:29:02,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:29:02,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:29:03,360 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 10:29:03,360 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:29:03,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786751628] [2022-12-14 10:29:03,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786751628] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:29:03,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:29:03,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:29:03,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330828479] [2022-12-14 10:29:03,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:29:03,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:29:03,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:29:03,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:29:03,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:29:03,361 INFO L87 Difference]: Start difference. First operand 87330 states and 125089 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-12-14 10:29:06,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:29:12,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:29:21,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:29:21,421 INFO L93 Difference]: Finished difference Result 87375 states and 125127 transitions. [2022-12-14 10:29:21,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 10:29:21,421 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 134 [2022-12-14 10:29:21,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:29:21,713 INFO L225 Difference]: With dead ends: 87375 [2022-12-14 10:29:21,713 INFO L226 Difference]: Without dead ends: 87373 [2022-12-14 10:29:21,747 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:29:21,748 INFO L413 NwaCegarLoop]: 4660 mSDtfsCounter, 3570 mSDsluCounter, 8000 mSDsCounter, 0 mSdLazyCounter, 1648 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3572 SdHoareTripleChecker+Valid, 12660 SdHoareTripleChecker+Invalid, 1650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1648 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2022-12-14 10:29:21,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3572 Valid, 12660 Invalid, 1650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1648 Invalid, 1 Unknown, 0 Unchecked, 13.1s Time] [2022-12-14 10:29:21,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87373 states. [2022-12-14 10:29:27,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87373 to 87341. [2022-12-14 10:29:27,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87341 states, 52509 states have (on average 1.2948256489363728) internal successors, (67990), 55216 states have internal predecessors, (67990), 28331 states have call successors, (28331), 6550 states have call predecessors, (28331), 6469 states have return successors, (28781), 26891 states have call predecessors, (28781), 28329 states have call successors, (28781) [2022-12-14 10:29:27,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87341 states to 87341 states and 125102 transitions. [2022-12-14 10:29:27,907 INFO L78 Accepts]: Start accepts. Automaton has 87341 states and 125102 transitions. Word has length 134 [2022-12-14 10:29:27,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:29:27,907 INFO L495 AbstractCegarLoop]: Abstraction has 87341 states and 125102 transitions. [2022-12-14 10:29:27,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-12-14 10:29:27,907 INFO L276 IsEmpty]: Start isEmpty. Operand 87341 states and 125102 transitions. [2022-12-14 10:29:27,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-12-14 10:29:27,910 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:29:27,910 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:29:27,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-12-14 10:29:27,910 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 10:29:27,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:29:27,910 INFO L85 PathProgramCache]: Analyzing trace with hash -812248336, now seen corresponding path program 1 times [2022-12-14 10:29:27,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:29:27,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028578946] [2022-12-14 10:29:27,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:29:27,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:29:27,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:29:28,581 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 10:29:28,581 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:29:28,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028578946] [2022-12-14 10:29:28,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028578946] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:29:28,582 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:29:28,582 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:29:28,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184871673] [2022-12-14 10:29:28,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:29:28,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:29:28,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:29:28,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:29:28,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:29:28,583 INFO L87 Difference]: Start difference. First operand 87341 states and 125102 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-12-14 10:29:31,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:29:36,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:29:40,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:29:46,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:29:50,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:29:50,802 INFO L93 Difference]: Finished difference Result 87373 states and 125125 transitions. [2022-12-14 10:29:50,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 10:29:50,803 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 139 [2022-12-14 10:29:50,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:29:51,151 INFO L225 Difference]: With dead ends: 87373 [2022-12-14 10:29:51,151 INFO L226 Difference]: Without dead ends: 87371 [2022-12-14 10:29:51,181 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:29:51,181 INFO L413 NwaCegarLoop]: 4636 mSDtfsCounter, 3567 mSDsluCounter, 7976 mSDsCounter, 0 mSdLazyCounter, 1634 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3569 SdHoareTripleChecker+Valid, 12612 SdHoareTripleChecker+Invalid, 1636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1634 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.0s IncrementalHoareTripleChecker+Time [2022-12-14 10:29:51,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3569 Valid, 12612 Invalid, 1636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1634 Invalid, 1 Unknown, 0 Unchecked, 17.0s Time] [2022-12-14 10:29:51,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87371 states. [2022-12-14 10:29:56,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87371 to 87347. [2022-12-14 10:29:56,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87347 states, 52512 states have (on average 1.2948088056063376) internal successors, (67993), 55219 states have internal predecessors, (67993), 28333 states have call successors, (28333), 6551 states have call predecessors, (28333), 6470 states have return successors, (28783), 26893 states have call predecessors, (28783), 28331 states have call successors, (28783) [2022-12-14 10:29:57,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87347 states to 87347 states and 125109 transitions. [2022-12-14 10:29:57,166 INFO L78 Accepts]: Start accepts. Automaton has 87347 states and 125109 transitions. Word has length 139 [2022-12-14 10:29:57,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:29:57,167 INFO L495 AbstractCegarLoop]: Abstraction has 87347 states and 125109 transitions. [2022-12-14 10:29:57,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-12-14 10:29:57,167 INFO L276 IsEmpty]: Start isEmpty. Operand 87347 states and 125109 transitions. [2022-12-14 10:29:57,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-12-14 10:29:57,169 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:29:57,170 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:29:57,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-12-14 10:29:57,170 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 10:29:57,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:29:57,170 INFO L85 PathProgramCache]: Analyzing trace with hash -263638914, now seen corresponding path program 1 times [2022-12-14 10:29:57,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:29:57,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039275541] [2022-12-14 10:29:57,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:29:57,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:29:57,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:29:57,775 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 10:29:57,776 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:29:57,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039275541] [2022-12-14 10:29:57,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039275541] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:29:57,776 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:29:57,776 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 10:29:57,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83403929] [2022-12-14 10:29:57,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:29:57,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 10:29:57,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:29:57,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 10:29:57,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 10:29:57,777 INFO L87 Difference]: Start difference. First operand 87347 states and 125109 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-14 10:30:00,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:30:07,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:30:13,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:30:18,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:30:18,184 INFO L93 Difference]: Finished difference Result 87371 states and 125123 transitions. [2022-12-14 10:30:18,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 10:30:18,185 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 144 [2022-12-14 10:30:18,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:30:18,475 INFO L225 Difference]: With dead ends: 87371 [2022-12-14 10:30:18,475 INFO L226 Difference]: Without dead ends: 85120 [2022-12-14 10:30:18,532 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:30:18,533 INFO L413 NwaCegarLoop]: 4637 mSDtfsCounter, 3563 mSDsluCounter, 7977 mSDsCounter, 0 mSdLazyCounter, 1634 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3563 SdHoareTripleChecker+Valid, 12614 SdHoareTripleChecker+Invalid, 1635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1634 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.8s IncrementalHoareTripleChecker+Time [2022-12-14 10:30:18,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3563 Valid, 12614 Invalid, 1635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1634 Invalid, 1 Unknown, 0 Unchecked, 14.8s Time] [2022-12-14 10:30:18,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85120 states. [2022-12-14 10:30:24,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85120 to 85102. [2022-12-14 10:30:24,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85102 states, 51167 states have (on average 1.2937831023902124) internal successors, (66199), 53756 states have internal predecessors, (66199), 27543 states have call successors, (27543), 6444 states have call predecessors, (27543), 6360 states have return successors, (27988), 26170 states have call predecessors, (27988), 27536 states have call successors, (27988) [2022-12-14 10:30:24,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85102 states to 85102 states and 121730 transitions. [2022-12-14 10:30:24,451 INFO L78 Accepts]: Start accepts. Automaton has 85102 states and 121730 transitions. Word has length 144 [2022-12-14 10:30:24,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:30:24,452 INFO L495 AbstractCegarLoop]: Abstraction has 85102 states and 121730 transitions. [2022-12-14 10:30:24,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-14 10:30:24,452 INFO L276 IsEmpty]: Start isEmpty. Operand 85102 states and 121730 transitions. [2022-12-14 10:30:24,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-12-14 10:30:24,453 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:30:24,454 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-14 10:30:24,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-12-14 10:30:24,454 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 10:30:24,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:30:24,454 INFO L85 PathProgramCache]: Analyzing trace with hash -1914575519, now seen corresponding path program 1 times [2022-12-14 10:30:24,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:30:24,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449613819] [2022-12-14 10:30:24,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:30:24,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:30:24,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:30:26,177 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2022-12-14 10:30:26,177 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:30:26,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449613819] [2022-12-14 10:30:26,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449613819] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:30:26,177 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:30:26,177 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-14 10:30:26,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177276285] [2022-12-14 10:30:26,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:30:26,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-14 10:30:26,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:30:26,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-14 10:30:26,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-14 10:30:26,178 INFO L87 Difference]: Start difference. First operand 85102 states and 121730 transitions. Second operand has 9 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 5 states have call predecessors, (28), 3 states have call successors, (28) [2022-12-14 10:30:30,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:30:36,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:30:42,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:30:44,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:30:46,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:30:47,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:30:49,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:30:51,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:31:00,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:31:03,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:31:05,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:31:06,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:31:17,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:31:17,557 INFO L93 Difference]: Finished difference Result 165058 states and 239377 transitions. [2022-12-14 10:31:17,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 10:31:17,558 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 5 states have call predecessors, (28), 3 states have call successors, (28) Word has length 163 [2022-12-14 10:31:17,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:31:17,950 INFO L225 Difference]: With dead ends: 165058 [2022-12-14 10:31:17,950 INFO L226 Difference]: Without dead ends: 103730 [2022-12-14 10:31:18,122 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-12-14 10:31:18,122 INFO L413 NwaCegarLoop]: 4291 mSDtfsCounter, 535 mSDsluCounter, 29348 mSDsCounter, 0 mSdLazyCounter, 4628 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 840 SdHoareTripleChecker+Valid, 33639 SdHoareTripleChecker+Invalid, 4632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4628 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.6s IncrementalHoareTripleChecker+Time [2022-12-14 10:31:18,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [840 Valid, 33639 Invalid, 4632 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 4628 Invalid, 4 Unknown, 0 Unchecked, 44.6s Time] [2022-12-14 10:31:18,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103730 states. [2022-12-14 10:31:24,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103730 to 85326. [2022-12-14 10:31:24,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85326 states, 51307 states have (on average 1.2929814645175122) internal successors, (66339), 53896 states have internal predecessors, (66339), 27571 states have call successors, (27571), 6444 states have call predecessors, (27571), 6416 states have return successors, (28128), 26254 states have call predecessors, (28128), 27564 states have call successors, (28128) [2022-12-14 10:31:24,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85326 states to 85326 states and 122038 transitions. [2022-12-14 10:31:24,582 INFO L78 Accepts]: Start accepts. Automaton has 85326 states and 122038 transitions. Word has length 163 [2022-12-14 10:31:24,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:31:24,583 INFO L495 AbstractCegarLoop]: Abstraction has 85326 states and 122038 transitions. [2022-12-14 10:31:24,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 5 states have call predecessors, (28), 3 states have call successors, (28) [2022-12-14 10:31:24,583 INFO L276 IsEmpty]: Start isEmpty. Operand 85326 states and 122038 transitions. [2022-12-14 10:31:24,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-12-14 10:31:24,585 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:31:24,585 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 4, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1] [2022-12-14 10:31:24,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-12-14 10:31:24,586 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 10:31:24,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:31:24,586 INFO L85 PathProgramCache]: Analyzing trace with hash 1075782630, now seen corresponding path program 1 times [2022-12-14 10:31:24,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:31:24,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764964051] [2022-12-14 10:31:24,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:31:24,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:31:24,718 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 10:31:24,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1594597185] [2022-12-14 10:31:24,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:31:24,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 10:31:24,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:31:24,719 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 10:31:24,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399a8df6-ff25-46f4-b417-7894fd94bda6/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 10:31:26,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:31:26,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 9054 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-14 10:31:26,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 10:31:26,953 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2022-12-14 10:31:26,954 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 10:31:27,254 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2022-12-14 10:31:27,254 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:31:27,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764964051] [2022-12-14 10:31:27,255 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 10:31:27,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1594597185] [2022-12-14 10:31:27,255 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1594597185] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-14 10:31:27,255 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 10:31:27,255 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 10 [2022-12-14 10:31:27,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120276469] [2022-12-14 10:31:27,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:31:27,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 10:31:27,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:31:27,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 10:31:27,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-12-14 10:31:27,257 INFO L87 Difference]: Start difference. First operand 85326 states and 122038 transitions. Second operand has 6 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2022-12-14 10:31:31,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:31:39,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:31:41,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:31:42,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 10:31:55,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:31:55,544 INFO L93 Difference]: Finished difference Result 85326 states and 122038 transitions. [2022-12-14 10:31:55,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 10:31:55,545 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) Word has length 180 [2022-12-14 10:31:55,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:31:55,884 INFO L225 Difference]: With dead ends: 85326 [2022-12-14 10:31:55,885 INFO L226 Difference]: Without dead ends: 85324 [2022-12-14 10:31:55,933 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 362 GetRequests, 351 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-12-14 10:31:55,933 INFO L413 NwaCegarLoop]: 3365 mSDtfsCounter, 3811 mSDsluCounter, 8319 mSDsCounter, 0 mSdLazyCounter, 3762 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3816 SdHoareTripleChecker+Valid, 11684 SdHoareTripleChecker+Invalid, 3766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3762 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.2s IncrementalHoareTripleChecker+Time [2022-12-14 10:31:55,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3816 Valid, 11684 Invalid, 3766 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 3762 Invalid, 2 Unknown, 0 Unchecked, 22.2s Time] [2022-12-14 10:31:56,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85324 states.