./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--nvme.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_89a68f56-7407-4db5-8276-1563a7887a9f/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/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_89a68f56-7407-4db5-8276-1563a7887a9f/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/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_89a68f56-7407-4db5-8276-1563a7887a9f/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 b25ac84d4a20a437c31c3bd685865b0db6f54088dab7ab415bb47113c804a34a --- 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 09:49:02,291 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 09:49:02,293 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 09:49:02,313 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 09:49:02,313 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 09:49:02,314 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 09:49:02,315 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 09:49:02,317 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 09:49:02,318 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 09:49:02,319 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 09:49:02,320 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 09:49:02,321 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 09:49:02,321 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 09:49:02,322 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 09:49:02,323 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 09:49:02,324 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 09:49:02,324 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 09:49:02,325 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 09:49:02,327 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 09:49:02,328 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 09:49:02,329 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 09:49:02,331 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 09:49:02,332 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 09:49:02,333 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 09:49:02,336 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 09:49:02,336 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 09:49:02,336 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 09:49:02,337 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 09:49:02,337 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 09:49:02,338 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 09:49:02,339 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 09:49:02,339 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 09:49:02,340 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 09:49:02,340 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 09:49:02,341 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 09:49:02,341 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 09:49:02,342 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 09:49:02,342 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 09:49:02,342 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 09:49:02,343 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 09:49:02,344 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 09:49:02,344 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 09:49:02,363 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 09:49:02,363 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 09:49:02,364 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 09:49:02,364 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 09:49:02,365 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 09:49:02,365 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 09:49:02,365 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 09:49:02,365 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 09:49:02,365 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 09:49:02,369 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 09:49:02,369 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 09:49:02,370 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 09:49:02,370 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 09:49:02,370 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 09:49:02,370 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 09:49:02,370 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 09:49:02,371 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 09:49:02,371 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 09:49:02,372 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 09:49:02,372 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 09:49:02,372 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 09:49:02,372 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 09:49:02,372 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 09:49:02,373 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 09:49:02,373 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 09:49:02,373 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 09:49:02,373 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 09:49:02,373 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 09:49:02,374 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 09:49:02,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:49:02,374 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 09:49:02,374 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 09:49:02,374 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 09:49:02,375 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 09:49:02,375 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 09:49:02,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 09:49:02,375 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 09:49:02,375 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 09:49:02,376 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_89a68f56-7407-4db5-8276-1563a7887a9f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b25ac84d4a20a437c31c3bd685865b0db6f54088dab7ab415bb47113c804a34a [2022-12-14 09:49:02,557 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 09:49:02,576 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 09:49:02,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 09:49:02,579 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 09:49:02,579 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 09:49:02,580 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i [2022-12-14 09:49:05,064 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 09:49:05,507 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 09:49:05,507 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i [2022-12-14 09:49:05,540 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/bin/utaipan-gh47qXpMRh/data/af603990d/dcee9d7f0efa4cdca215f03707cc8d2d/FLAG6d854d75b [2022-12-14 09:49:05,617 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/bin/utaipan-gh47qXpMRh/data/af603990d/dcee9d7f0efa4cdca215f03707cc8d2d [2022-12-14 09:49:05,620 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 09:49:05,621 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 09:49:05,622 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 09:49:05,622 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 09:49:05,626 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 09:49:05,626 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:49:05" (1/1) ... [2022-12-14 09:49:05,627 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3aaec1c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:49:05, skipping insertion in model container [2022-12-14 09:49:05,627 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:49:05" (1/1) ... [2022-12-14 09:49:05,634 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 09:49:05,816 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 09:49:06,742 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 09:49:06,747 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 09:49:06,761 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-14 09:49:06,777 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 09:49:06,799 WARN L623 FunctionHandler]: Unknown extern function __bitmap_weight [2022-12-14 09:49:06,887 WARN L623 FunctionHandler]: Unknown extern function __cmpxchg_wrong_size [2022-12-14 09:49:06,968 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 09:49:06,975 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 09:49:07,012 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 09:49:07,038 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-12-14 09:49:07,048 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 09:49:07,073 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-12-14 09:49:07,083 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 09:49:07,128 WARN L623 FunctionHandler]: Unknown extern function ida_get_new_above [2022-12-14 09:49:07,138 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 09:49:07,146 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 09:49:07,202 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 09:49:07,559 WARN L623 FunctionHandler]: Unknown extern function sg_next [2022-12-14 09:49:07,560 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_sg [2022-12-14 09:49:07,566 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_sg [2022-12-14 09:49:07,594 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-14 09:49:07,600 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 09:49:07,600 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-14 09:49:07,606 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-12-14 09:49:07,612 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-14 09:49:07,683 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 09:49:07,683 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 09:49:07,684 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 09:49:07,684 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-14 09:49:07,690 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 09:49:07,690 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 09:49:07,691 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 09:49:07,691 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-14 09:49:07,776 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 09:49:07,777 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 09:49:08,160 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_125 [2022-12-14 09:49:08,160 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_126 [2022-12-14 09:49:08,161 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_127 [2022-12-14 09:49:08,161 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_128 [2022-12-14 09:49:08,161 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_129 [2022-12-14 09:49:08,162 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_130 [2022-12-14 09:49:08,162 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_131 [2022-12-14 09:49:08,162 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_132 [2022-12-14 09:49:08,162 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_133 [2022-12-14 09:49:08,163 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_134 [2022-12-14 09:49:08,163 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_135 [2022-12-14 09:49:08,163 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_136 [2022-12-14 09:49:08,181 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 09:49:08,199 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 09:49:08,211 WARN L623 FunctionHandler]: Unknown extern function blk_mq_start_request [2022-12-14 09:49:08,227 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 09:49:08,228 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 09:49:08,229 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 09:49:08,241 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 09:49:08,241 WARN L623 FunctionHandler]: Unknown extern function blk_mq_free_hctx_request [2022-12-14 09:49:08,247 WARN L623 FunctionHandler]: Unknown extern function blk_mq_free_hctx_request [2022-12-14 09:49:08,247 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 09:49:08,254 WARN L623 FunctionHandler]: Unknown extern function queue_kthread_work [2022-12-14 09:49:08,254 WARN L623 FunctionHandler]: Unknown extern function blk_mq_free_hctx_request [2022-12-14 09:49:08,259 WARN L623 FunctionHandler]: Unknown extern function blk_mq_tag_to_rq [2022-12-14 09:49:08,302 WARN L623 FunctionHandler]: Unknown extern function dma_pool_free [2022-12-14 09:49:08,302 WARN L623 FunctionHandler]: Unknown extern function dma_pool_free [2022-12-14 09:49:08,303 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:49:08,331 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_538 [2022-12-14 09:49:08,338 WARN L623 FunctionHandler]: Unknown extern function blk_mq_requeue_request [2022-12-14 09:49:08,339 WARN L623 FunctionHandler]: Unknown extern function blk_mq_kick_requeue_list [2022-12-14 09:49:08,339 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 09:49:08,341 WARN L623 FunctionHandler]: Unknown extern function blk_mq_complete_request [2022-12-14 09:49:08,342 WARN L623 FunctionHandler]: Unknown extern function sg_next [2022-12-14 09:49:08,345 WARN L623 FunctionHandler]: Unknown extern function sg_next [2022-12-14 09:49:08,374 WARN L623 FunctionHandler]: Unknown extern function blk_mq_complete_request [2022-12-14 09:49:08,375 WARN L623 FunctionHandler]: Unknown extern function sg_init_table [2022-12-14 09:49:08,375 WARN L623 FunctionHandler]: Unknown extern function blk_rq_map_sg [2022-12-14 09:49:08,376 WARN L623 FunctionHandler]: Unknown extern function blk_rq_count_integrity_sg [2022-12-14 09:49:08,377 WARN L623 FunctionHandler]: Unknown extern function sg_init_table [2022-12-14 09:49:08,377 WARN L623 FunctionHandler]: Unknown extern function blk_rq_map_integrity_sg [2022-12-14 09:49:08,387 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 09:49:08,404 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 09:49:08,410 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 09:49:08,411 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 09:49:08,417 WARN L623 FunctionHandler]: Unknown extern function blk_mq_alloc_request [2022-12-14 09:49:08,423 WARN L623 FunctionHandler]: Unknown extern function blk_mq_alloc_request [2022-12-14 09:49:08,430 WARN L623 FunctionHandler]: Unknown extern function blk_mq_alloc_request [2022-12-14 09:49:08,430 WARN L623 FunctionHandler]: Unknown extern function blk_mq_free_request [2022-12-14 09:49:08,431 WARN L623 FunctionHandler]: Unknown extern function blk_mq_alloc_request [2022-12-14 09:49:08,432 WARN L623 FunctionHandler]: Unknown extern function blk_mq_free_request [2022-12-14 09:49:08,471 WARN L623 FunctionHandler]: Unknown extern function work_busy [2022-12-14 09:49:08,471 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 09:49:08,472 WARN L623 FunctionHandler]: Unknown extern function blk_mq_alloc_request [2022-12-14 09:49:08,473 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 09:49:08,474 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 09:49:08,474 WARN L623 FunctionHandler]: Unknown extern function blk_mq_free_request [2022-12-14 09:49:08,480 WARN L623 FunctionHandler]: Unknown extern function blk_mq_request_started [2022-12-14 09:49:08,481 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 09:49:08,487 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 09:49:08,493 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:49:08,505 WARN L623 FunctionHandler]: Unknown extern function irq_set_affinity_hint [2022-12-14 09:49:08,511 WARN L623 FunctionHandler]: Unknown extern function blk_mq_tag_busy_iter [2022-12-14 09:49:08,517 WARN L623 FunctionHandler]: Unknown extern function blk_mq_freeze_queue_start [2022-12-14 09:49:08,525 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 09:49:08,526 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:49:08,559 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 09:49:08,560 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 09:49:08,579 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 09:49:08,580 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 09:49:08,586 WARN L623 FunctionHandler]: Unknown extern function blk_mq_free_tag_set [2022-12-14 09:49:08,592 WARN L623 FunctionHandler]: Unknown extern function blk_mq_alloc_tag_set [2022-12-14 09:49:08,593 WARN L623 FunctionHandler]: Unknown extern function blk_mq_init_queue [2022-12-14 09:49:08,593 WARN L623 FunctionHandler]: Unknown extern function blk_mq_free_tag_set [2022-12-14 09:49:08,593 WARN L623 FunctionHandler]: Unknown extern function blk_get_queue [2022-12-14 09:49:08,593 WARN L623 FunctionHandler]: Unknown extern function blk_mq_unfreeze_queue [2022-12-14 09:49:08,599 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 09:49:08,600 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 09:49:08,603 WARN L623 FunctionHandler]: Unknown extern function get_user_pages_fast [2022-12-14 09:49:08,603 WARN L623 FunctionHandler]: Unknown extern function sg_init_table [2022-12-14 09:49:08,604 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:49:08,604 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:49:08,605 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-14 09:49:08,605 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:49:08,606 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-14 09:49:08,625 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_1762 [2022-12-14 09:49:08,627 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_1788 [2022-12-14 09:49:08,634 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 09:49:08,638 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 09:49:08,639 WARN L623 FunctionHandler]: Unknown extern function blk_mq_alloc_request [2022-12-14 09:49:08,639 WARN L623 FunctionHandler]: Unknown extern function blk_mq_free_request [2022-12-14 09:49:08,696 WARN L623 FunctionHandler]: Unknown extern function blk_integrity_register [2022-12-14 09:49:08,703 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 09:49:08,703 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 09:49:08,704 WARN L623 FunctionHandler]: Unknown extern function blk_integrity_unregister [2022-12-14 09:49:08,705 WARN L623 FunctionHandler]: Unknown extern function blk_integrity_unregister [2022-12-14 09:49:08,705 WARN L623 FunctionHandler]: Unknown extern function blk_integrity_unregister [2022-12-14 09:49:08,705 WARN L623 FunctionHandler]: Unknown extern function blk_queue_logical_block_size [2022-12-14 09:49:08,712 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 09:49:08,713 WARN L623 FunctionHandler]: Unknown extern function work_busy [2022-12-14 09:49:08,713 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 09:49:08,714 WARN L623 FunctionHandler]: Unknown extern function round_jiffies_relative [2022-12-14 09:49:08,714 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-14 09:49:08,714 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-12-14 09:49:08,721 WARN L623 FunctionHandler]: Unknown extern function blk_mq_init_queue [2022-12-14 09:49:08,721 WARN L623 FunctionHandler]: Unknown extern function alloc_disk_node [2022-12-14 09:49:08,721 WARN L623 FunctionHandler]: Unknown extern function blk_queue_logical_block_size [2022-12-14 09:49:08,722 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_hw_sectors [2022-12-14 09:49:08,722 WARN L623 FunctionHandler]: Unknown extern function blk_queue_chunk_sectors [2022-12-14 09:49:08,722 WARN L623 FunctionHandler]: Unknown extern function blk_queue_flush [2022-12-14 09:49:08,723 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:49:08,723 WARN L623 FunctionHandler]: Unknown extern function revalidate_disk [2022-12-14 09:49:08,723 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:49:08,735 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 09:49:08,747 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msix [2022-12-14 09:49:08,747 WARN L623 FunctionHandler]: Unknown extern function pci_enable_msix_range [2022-12-14 09:49:08,747 WARN L623 FunctionHandler]: Unknown extern function pci_enable_msi_range [2022-12-14 09:49:08,754 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 09:49:08,756 WARN L623 FunctionHandler]: Unknown extern function blk_mq_alloc_tag_set [2022-12-14 09:49:08,762 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device_mem [2022-12-14 09:49:08,762 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 09:49:08,763 WARN L623 FunctionHandler]: Unknown extern function pci_select_bars [2022-12-14 09:49:08,763 WARN L623 FunctionHandler]: Unknown extern function pci_request_selected_regions [2022-12-14 09:49:08,764 WARN L623 FunctionHandler]: Unknown extern function pci_enable_msix [2022-12-14 09:49:08,765 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 09:49:08,765 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 09:49:08,770 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-12-14 09:49:08,771 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msix [2022-12-14 09:49:08,771 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 09:49:08,771 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 09:49:08,777 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 09:49:08,778 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-14 09:49:08,778 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 09:49:08,778 WARN L623 FunctionHandler]: Unknown extern function flush_kthread_worker [2022-12-14 09:49:08,779 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 09:49:08,784 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 09:49:08,833 WARN L623 FunctionHandler]: Unknown extern function __init_kthread_worker [2022-12-14 09:49:08,833 WARN L623 FunctionHandler]: Unknown extern function kthread_create_on_node [2022-12-14 09:49:08,834 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 09:49:08,834 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 09:49:08,835 WARN L623 FunctionHandler]: Unknown extern function queue_kthread_work [2022-12-14 09:49:08,836 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-12-14 09:49:08,841 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-12-14 09:49:08,847 WARN L623 FunctionHandler]: Unknown extern function blk_mq_freeze_queue_start [2022-12-14 09:49:08,847 WARN L623 FunctionHandler]: Unknown extern function blk_mq_cancel_requeue_work [2022-12-14 09:49:08,847 WARN L623 FunctionHandler]: Unknown extern function blk_mq_stop_hw_queues [2022-12-14 09:49:08,853 WARN L623 FunctionHandler]: Unknown extern function blk_mq_unfreeze_queue [2022-12-14 09:49:08,853 WARN L623 FunctionHandler]: Unknown extern function blk_mq_start_stopped_hw_queues [2022-12-14 09:49:08,854 WARN L623 FunctionHandler]: Unknown extern function blk_mq_kick_requeue_list [2022-12-14 09:49:08,865 WARN L623 FunctionHandler]: Unknown extern function blk_integrity_unregister [2022-12-14 09:49:08,865 WARN L623 FunctionHandler]: Unknown extern function blk_mq_abort_requeue_list [2022-12-14 09:49:08,871 WARN L623 FunctionHandler]: Unknown extern function dma_pool_create [2022-12-14 09:49:08,872 WARN L623 FunctionHandler]: Unknown extern function dma_pool_create [2022-12-14 09:49:08,872 WARN L623 FunctionHandler]: Unknown extern function dma_pool_destroy [2022-12-14 09:49:08,877 WARN L623 FunctionHandler]: Unknown extern function dma_pool_destroy [2022-12-14 09:49:08,878 WARN L623 FunctionHandler]: Unknown extern function dma_pool_destroy [2022-12-14 09:49:08,883 WARN L623 FunctionHandler]: Unknown extern function ida_pre_get [2022-12-14 09:49:08,889 WARN L623 FunctionHandler]: Unknown extern function ida_remove [2022-12-14 09:49:08,895 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 09:49:08,895 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:49:08,896 WARN L623 FunctionHandler]: Unknown extern function pci_dev_put [2022-12-14 09:49:08,896 WARN L623 FunctionHandler]: Unknown extern function put_device [2022-12-14 09:49:08,896 WARN L623 FunctionHandler]: Unknown extern function blk_mq_free_tag_set [2022-12-14 09:49:08,896 WARN L623 FunctionHandler]: Unknown extern function blk_put_queue [2022-12-14 09:49:08,896 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:49:08,897 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:49:08,897 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:49:08,920 WARN L623 FunctionHandler]: Unknown extern function irq_set_affinity_hint [2022-12-14 09:49:08,926 WARN L623 FunctionHandler]: Unknown extern function kthread_create_on_node [2022-12-14 09:49:08,927 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 09:49:08,927 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 09:49:08,927 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-14 09:49:08,928 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-14 09:49:08,928 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 09:49:08,928 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 09:49:08,934 WARN L623 FunctionHandler]: Unknown extern function pci_stop_and_remove_bus_device_locked [2022-12-14 09:49:08,951 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 09:49:08,951 WARN L623 FunctionHandler]: Unknown extern function kthread_create_on_node [2022-12-14 09:49:08,952 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 09:49:08,952 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 09:49:08,969 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 09:49:08,969 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 09:49:08,969 WARN L623 FunctionHandler]: Unknown extern function pci_dev_get [2022-12-14 09:49:08,970 WARN L623 FunctionHandler]: Unknown extern function device_create [2022-12-14 09:49:08,971 WARN L623 FunctionHandler]: Unknown extern function get_device [2022-12-14 09:49:08,971 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 09:49:08,971 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 09:49:08,971 WARN L623 FunctionHandler]: Unknown extern function pci_dev_put [2022-12-14 09:49:08,971 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:49:08,972 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:49:08,972 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:49:08,972 WARN L623 FunctionHandler]: Unknown extern function work_busy [2022-12-14 09:49:08,990 WARN L623 FunctionHandler]: Unknown extern function flush_work [2022-12-14 09:49:08,990 WARN L623 FunctionHandler]: Unknown extern function flush_work [2022-12-14 09:49:08,990 WARN L623 FunctionHandler]: Unknown extern function device_destroy [2022-12-14 09:49:09,001 WARN L623 FunctionHandler]: Unknown extern function work_busy [2022-12-14 09:49:09,008 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 09:49:09,008 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-12-14 09:49:09,009 WARN L623 FunctionHandler]: Unknown extern function register_blkdev [2022-12-14 09:49:09,010 WARN L623 FunctionHandler]: Unknown extern function __unregister_chrdev [2022-12-14 09:49:09,011 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-12-14 09:49:09,011 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-14 09:49:09,016 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-12-14 09:49:09,017 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-14 09:49:09,017 WARN L623 FunctionHandler]: Unknown extern function __unregister_chrdev [2022-12-14 09:49:09,339 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 09:49:09,345 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 09:49:09,346 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 09:49:09,347 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 09:49:09,347 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 09:49:09,347 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 09:49:09,348 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 09:49:09,348 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 09:49:09,349 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 09:49:09,349 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-12-14 09:49:09,350 WARN L623 FunctionHandler]: Unknown extern function add_disk [2022-12-14 09:49:09,350 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-12-14 09:49:09,350 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 09:49:09,350 WARN L623 FunctionHandler]: Unknown extern function del_gendisk [2022-12-14 09:49:09,351 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-12-14 09:49:09,351 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-12-14 09:49:09,351 WARN L623 FunctionHandler]: Unknown extern function __register_chrdev [2022-12-14 09:49:09,351 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 09:49:09,352 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 09:49:09,352 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 09:49:09,353 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 09:49:09,380 WARN L623 FunctionHandler]: Unknown extern function __bitmap_empty [2022-12-14 09:49:09,422 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-14 09:49:09,422 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-14 09:49:09,423 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-14 09:49:09,434 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-14 09:49:09,441 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:49:09,441 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:49:09,458 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:49:09,465 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:49:09,471 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:49:09,479 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:49:09,486 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:49:09,539 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:49:09,584 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:49:09,596 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:49:09,656 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:49:09,679 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:49:09,686 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:49:09,692 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:49:09,733 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:49:09,741 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 09:49:09,741 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 09:49:10,223 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 09:49:10,463 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 09:49:11,100 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571462,571475] [2022-12-14 09:49:11,103 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571607,571620] [2022-12-14 09:49:11,104 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571753,571766] [2022-12-14 09:49:11,104 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571918,571931] [2022-12-14 09:49:11,104 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572076,572089] [2022-12-14 09:49:11,104 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572234,572247] [2022-12-14 09:49:11,105 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572392,572405] [2022-12-14 09:49:11,105 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572552,572565] [2022-12-14 09:49:11,105 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572711,572724] [2022-12-14 09:49:11,105 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572850,572863] [2022-12-14 09:49:11,106 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572992,573005] [2022-12-14 09:49:11,106 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573141,573154] [2022-12-14 09:49:11,106 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573280,573293] [2022-12-14 09:49:11,106 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573435,573448] [2022-12-14 09:49:11,107 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573595,573608] [2022-12-14 09:49:11,107 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573746,573759] [2022-12-14 09:49:11,107 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573897,573910] [2022-12-14 09:49:11,107 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574049,574062] [2022-12-14 09:49:11,107 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574198,574211] [2022-12-14 09:49:11,108 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574346,574359] [2022-12-14 09:49:11,108 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574503,574516] [2022-12-14 09:49:11,108 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574652,574665] [2022-12-14 09:49:11,108 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574808,574821] [2022-12-14 09:49:11,109 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574961,574974] [2022-12-14 09:49:11,109 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575107,575120] [2022-12-14 09:49:11,109 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575250,575263] [2022-12-14 09:49:11,109 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575402,575415] [2022-12-14 09:49:11,110 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575548,575561] [2022-12-14 09:49:11,110 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575693,575706] [2022-12-14 09:49:11,110 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575847,575860] [2022-12-14 09:49:11,110 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575998,576011] [2022-12-14 09:49:11,110 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576153,576166] [2022-12-14 09:49:11,111 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576305,576318] [2022-12-14 09:49:11,111 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576460,576473] [2022-12-14 09:49:11,111 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576624,576637] [2022-12-14 09:49:11,111 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576780,576793] [2022-12-14 09:49:11,112 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576944,576957] [2022-12-14 09:49:11,112 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577086,577099] [2022-12-14 09:49:11,112 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577244,577257] [2022-12-14 09:49:11,112 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577411,577424] [2022-12-14 09:49:11,113 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577570,577583] [2022-12-14 09:49:11,113 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577729,577742] [2022-12-14 09:49:11,113 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577878,577891] [2022-12-14 09:49:11,113 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578025,578038] [2022-12-14 09:49:11,113 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578164,578177] [2022-12-14 09:49:11,114 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578327,578340] [2022-12-14 09:49:11,114 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578493,578506] [2022-12-14 09:49:11,114 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578657,578670] [2022-12-14 09:49:11,114 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578822,578835] [2022-12-14 09:49:11,115 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578987,579000] [2022-12-14 09:49:11,115 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579153,579166] [2022-12-14 09:49:11,115 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579318,579331] [2022-12-14 09:49:11,115 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579485,579498] [2022-12-14 09:49:11,115 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579645,579658] [2022-12-14 09:49:11,116 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579807,579820] [2022-12-14 09:49:11,116 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579966,579979] [2022-12-14 09:49:11,116 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580112,580125] [2022-12-14 09:49:11,116 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580255,580268] [2022-12-14 09:49:11,117 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580399,580412] [2022-12-14 09:49:11,117 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580542,580555] [2022-12-14 09:49:11,117 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580686,580699] [2022-12-14 09:49:11,117 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580827,580840] [2022-12-14 09:49:11,117 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580965,580978] [2022-12-14 09:49:11,118 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581123,581136] [2022-12-14 09:49:11,118 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581282,581295] [2022-12-14 09:49:11,118 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581438,581451] [2022-12-14 09:49:11,118 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581587,581600] [2022-12-14 09:49:11,119 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581739,581752] [2022-12-14 09:49:11,119 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581890,581903] [2022-12-14 09:49:11,119 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582039,582052] [2022-12-14 09:49:11,119 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582191,582204] [2022-12-14 09:49:11,119 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582339,582352] [2022-12-14 09:49:11,120 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582492,582505] [2022-12-14 09:49:11,120 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582643,582656] [2022-12-14 09:49:11,120 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582793,582806] [2022-12-14 09:49:11,120 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582940,582953] [2022-12-14 09:49:11,120 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583091,583104] [2022-12-14 09:49:11,121 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583242,583255] [2022-12-14 09:49:11,121 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583390,583403] [2022-12-14 09:49:11,121 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583556,583569] [2022-12-14 09:49:11,121 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583725,583738] [2022-12-14 09:49:11,122 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583892,583905] [2022-12-14 09:49:11,122 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584060,584073] [2022-12-14 09:49:11,122 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584210,584223] [2022-12-14 09:49:11,122 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584357,584370] [2022-12-14 09:49:11,123 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584518,584531] [2022-12-14 09:49:11,123 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584688,584701] [2022-12-14 09:49:11,123 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584850,584863] [2022-12-14 09:49:11,144 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:49:11,172 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 09:49:11,242 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 09:49:11,243 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 09:49:11,243 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-14 09:49:11,244 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 09:49:11,244 WARN L623 FunctionHandler]: Unknown extern function __bitmap_weight [2022-12-14 09:49:11,246 WARN L623 FunctionHandler]: Unknown extern function __cmpxchg_wrong_size [2022-12-14 09:49:11,248 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 09:49:11,248 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 09:49:11,249 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 09:49:11,249 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-12-14 09:49:11,249 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 09:49:11,250 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-12-14 09:49:11,250 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 09:49:11,250 WARN L623 FunctionHandler]: Unknown extern function ida_get_new_above [2022-12-14 09:49:11,251 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 09:49:11,251 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 09:49:11,253 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 09:49:11,262 WARN L623 FunctionHandler]: Unknown extern function sg_next [2022-12-14 09:49:11,262 WARN L623 FunctionHandler]: Unknown extern function debug_dma_map_sg [2022-12-14 09:49:11,263 WARN L623 FunctionHandler]: Unknown extern function debug_dma_unmap_sg [2022-12-14 09:49:11,264 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-14 09:49:11,265 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 09:49:11,265 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-14 09:49:11,266 WARN L623 FunctionHandler]: Unknown extern function dma_supported [2022-12-14 09:49:11,266 WARN L623 FunctionHandler]: Unknown extern function dma_set_mask [2022-12-14 09:49:11,267 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 09:49:11,267 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 09:49:11,267 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 09:49:11,267 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-14 09:49:11,268 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 09:49:11,268 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 09:49:11,268 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 09:49:11,269 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-14 09:49:11,271 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 09:49:11,271 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 09:49:11,285 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_125 [2022-12-14 09:49:11,285 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_126 [2022-12-14 09:49:11,285 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_127 [2022-12-14 09:49:11,285 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_128 [2022-12-14 09:49:11,286 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_129 [2022-12-14 09:49:11,286 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_130 [2022-12-14 09:49:11,286 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_131 [2022-12-14 09:49:11,286 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_132 [2022-12-14 09:49:11,287 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_133 [2022-12-14 09:49:11,287 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_134 [2022-12-14 09:49:11,287 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_135 [2022-12-14 09:49:11,287 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_136 [2022-12-14 09:49:11,291 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 09:49:11,298 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 09:49:11,301 WARN L623 FunctionHandler]: Unknown extern function blk_mq_start_request [2022-12-14 09:49:11,302 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 09:49:11,302 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 09:49:11,303 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 09:49:11,304 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 09:49:11,304 WARN L623 FunctionHandler]: Unknown extern function blk_mq_free_hctx_request [2022-12-14 09:49:11,304 WARN L623 FunctionHandler]: Unknown extern function blk_mq_free_hctx_request [2022-12-14 09:49:11,304 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 09:49:11,305 WARN L623 FunctionHandler]: Unknown extern function queue_kthread_work [2022-12-14 09:49:11,305 WARN L623 FunctionHandler]: Unknown extern function blk_mq_free_hctx_request [2022-12-14 09:49:11,306 WARN L623 FunctionHandler]: Unknown extern function blk_mq_tag_to_rq [2022-12-14 09:49:11,308 WARN L623 FunctionHandler]: Unknown extern function dma_pool_free [2022-12-14 09:49:11,309 WARN L623 FunctionHandler]: Unknown extern function dma_pool_free [2022-12-14 09:49:11,309 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:49:11,311 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_538 [2022-12-14 09:49:11,312 WARN L623 FunctionHandler]: Unknown extern function blk_mq_requeue_request [2022-12-14 09:49:11,313 WARN L623 FunctionHandler]: Unknown extern function blk_mq_kick_requeue_list [2022-12-14 09:49:11,315 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 09:49:11,316 WARN L623 FunctionHandler]: Unknown extern function blk_mq_complete_request [2022-12-14 09:49:11,317 WARN L623 FunctionHandler]: Unknown extern function sg_next [2022-12-14 09:49:11,319 WARN L623 FunctionHandler]: Unknown extern function sg_next [2022-12-14 09:49:11,326 WARN L623 FunctionHandler]: Unknown extern function blk_mq_complete_request [2022-12-14 09:49:11,326 WARN L623 FunctionHandler]: Unknown extern function sg_init_table [2022-12-14 09:49:11,327 WARN L623 FunctionHandler]: Unknown extern function blk_rq_map_sg [2022-12-14 09:49:11,328 WARN L623 FunctionHandler]: Unknown extern function blk_rq_count_integrity_sg [2022-12-14 09:49:11,330 WARN L623 FunctionHandler]: Unknown extern function sg_init_table [2022-12-14 09:49:11,330 WARN L623 FunctionHandler]: Unknown extern function blk_rq_map_integrity_sg [2022-12-14 09:49:11,333 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 09:49:11,335 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 09:49:11,335 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 09:49:11,336 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 09:49:11,338 WARN L623 FunctionHandler]: Unknown extern function blk_mq_alloc_request [2022-12-14 09:49:11,341 WARN L623 FunctionHandler]: Unknown extern function blk_mq_alloc_request [2022-12-14 09:49:11,342 WARN L623 FunctionHandler]: Unknown extern function blk_mq_alloc_request [2022-12-14 09:49:11,342 WARN L623 FunctionHandler]: Unknown extern function blk_mq_free_request [2022-12-14 09:49:11,343 WARN L623 FunctionHandler]: Unknown extern function blk_mq_alloc_request [2022-12-14 09:49:11,343 WARN L623 FunctionHandler]: Unknown extern function blk_mq_free_request [2022-12-14 09:49:11,348 WARN L623 FunctionHandler]: Unknown extern function work_busy [2022-12-14 09:49:11,348 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 09:49:11,349 WARN L623 FunctionHandler]: Unknown extern function blk_mq_alloc_request [2022-12-14 09:49:11,350 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 09:49:11,352 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 09:49:11,352 WARN L623 FunctionHandler]: Unknown extern function blk_mq_free_request [2022-12-14 09:49:11,353 WARN L623 FunctionHandler]: Unknown extern function blk_mq_request_started [2022-12-14 09:49:11,353 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 09:49:11,354 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 09:49:11,354 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:49:11,363 WARN L623 FunctionHandler]: Unknown extern function irq_set_affinity_hint [2022-12-14 09:49:11,364 WARN L623 FunctionHandler]: Unknown extern function blk_mq_tag_busy_iter [2022-12-14 09:49:11,377 WARN L623 FunctionHandler]: Unknown extern function blk_mq_freeze_queue_start [2022-12-14 09:49:11,379 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 09:49:11,383 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:49:11,386 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 09:49:11,386 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 09:49:11,389 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 09:49:11,389 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 09:49:11,391 WARN L623 FunctionHandler]: Unknown extern function blk_mq_free_tag_set [2022-12-14 09:49:11,395 WARN L623 FunctionHandler]: Unknown extern function blk_mq_alloc_tag_set [2022-12-14 09:49:11,395 WARN L623 FunctionHandler]: Unknown extern function blk_mq_init_queue [2022-12-14 09:49:11,395 WARN L623 FunctionHandler]: Unknown extern function blk_mq_free_tag_set [2022-12-14 09:49:11,396 WARN L623 FunctionHandler]: Unknown extern function blk_get_queue [2022-12-14 09:49:11,396 WARN L623 FunctionHandler]: Unknown extern function blk_mq_unfreeze_queue [2022-12-14 09:49:11,397 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 09:49:11,397 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 09:49:11,406 WARN L623 FunctionHandler]: Unknown extern function get_user_pages_fast [2022-12-14 09:49:11,407 WARN L623 FunctionHandler]: Unknown extern function sg_init_table [2022-12-14 09:49:11,408 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:49:11,408 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:49:11,408 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-14 09:49:11,408 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:49:11,409 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-14 09:49:11,415 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_1762 [2022-12-14 09:49:11,417 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_1788 [2022-12-14 09:49:11,419 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 09:49:11,422 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 09:49:11,423 WARN L623 FunctionHandler]: Unknown extern function blk_mq_alloc_request [2022-12-14 09:49:11,423 WARN L623 FunctionHandler]: Unknown extern function blk_mq_free_request [2022-12-14 09:49:11,434 WARN L623 FunctionHandler]: Unknown extern function blk_integrity_register [2022-12-14 09:49:11,436 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 09:49:11,436 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 09:49:11,437 WARN L623 FunctionHandler]: Unknown extern function blk_integrity_unregister [2022-12-14 09:49:11,439 WARN L623 FunctionHandler]: Unknown extern function blk_integrity_unregister [2022-12-14 09:49:11,439 WARN L623 FunctionHandler]: Unknown extern function blk_integrity_unregister [2022-12-14 09:49:11,440 WARN L623 FunctionHandler]: Unknown extern function blk_queue_logical_block_size [2022-12-14 09:49:11,442 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 09:49:11,442 WARN L623 FunctionHandler]: Unknown extern function work_busy [2022-12-14 09:49:11,443 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 09:49:11,447 WARN L623 FunctionHandler]: Unknown extern function round_jiffies_relative [2022-12-14 09:49:11,447 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-14 09:49:11,447 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-12-14 09:49:11,448 WARN L623 FunctionHandler]: Unknown extern function blk_mq_init_queue [2022-12-14 09:49:11,448 WARN L623 FunctionHandler]: Unknown extern function alloc_disk_node [2022-12-14 09:49:11,449 WARN L623 FunctionHandler]: Unknown extern function blk_queue_logical_block_size [2022-12-14 09:49:11,449 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_hw_sectors [2022-12-14 09:49:11,449 WARN L623 FunctionHandler]: Unknown extern function blk_queue_chunk_sectors [2022-12-14 09:49:11,449 WARN L623 FunctionHandler]: Unknown extern function blk_queue_flush [2022-12-14 09:49:11,453 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:49:11,453 WARN L623 FunctionHandler]: Unknown extern function revalidate_disk [2022-12-14 09:49:11,453 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:49:11,458 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 09:49:11,462 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msix [2022-12-14 09:49:11,462 WARN L623 FunctionHandler]: Unknown extern function pci_enable_msix_range [2022-12-14 09:49:11,462 WARN L623 FunctionHandler]: Unknown extern function pci_enable_msi_range [2022-12-14 09:49:11,463 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 09:49:11,466 WARN L623 FunctionHandler]: Unknown extern function blk_mq_alloc_tag_set [2022-12-14 09:49:11,467 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device_mem [2022-12-14 09:49:11,467 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 09:49:11,467 WARN L623 FunctionHandler]: Unknown extern function pci_select_bars [2022-12-14 09:49:11,467 WARN L623 FunctionHandler]: Unknown extern function pci_request_selected_regions [2022-12-14 09:49:11,468 WARN L623 FunctionHandler]: Unknown extern function pci_enable_msix [2022-12-14 09:49:11,469 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 09:49:11,469 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 09:49:11,469 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msi [2022-12-14 09:49:11,469 WARN L623 FunctionHandler]: Unknown extern function pci_disable_msix [2022-12-14 09:49:11,470 WARN L623 FunctionHandler]: Unknown extern function pci_release_regions [2022-12-14 09:49:11,470 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 09:49:11,471 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 09:49:11,471 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-14 09:49:11,471 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 09:49:11,473 WARN L623 FunctionHandler]: Unknown extern function flush_kthread_worker [2022-12-14 09:49:11,474 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 09:49:11,474 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 09:49:11,477 WARN L623 FunctionHandler]: Unknown extern function __init_kthread_worker [2022-12-14 09:49:11,478 WARN L623 FunctionHandler]: Unknown extern function kthread_create_on_node [2022-12-14 09:49:11,479 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 09:49:11,479 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 09:49:11,483 WARN L623 FunctionHandler]: Unknown extern function queue_kthread_work [2022-12-14 09:49:11,483 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-12-14 09:49:11,484 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-12-14 09:49:11,484 WARN L623 FunctionHandler]: Unknown extern function blk_mq_freeze_queue_start [2022-12-14 09:49:11,484 WARN L623 FunctionHandler]: Unknown extern function blk_mq_cancel_requeue_work [2022-12-14 09:49:11,484 WARN L623 FunctionHandler]: Unknown extern function blk_mq_stop_hw_queues [2022-12-14 09:49:11,485 WARN L623 FunctionHandler]: Unknown extern function blk_mq_unfreeze_queue [2022-12-14 09:49:11,485 WARN L623 FunctionHandler]: Unknown extern function blk_mq_start_stopped_hw_queues [2022-12-14 09:49:11,485 WARN L623 FunctionHandler]: Unknown extern function blk_mq_kick_requeue_list [2022-12-14 09:49:11,490 WARN L623 FunctionHandler]: Unknown extern function blk_integrity_unregister [2022-12-14 09:49:11,490 WARN L623 FunctionHandler]: Unknown extern function blk_mq_abort_requeue_list [2022-12-14 09:49:11,491 WARN L623 FunctionHandler]: Unknown extern function dma_pool_create [2022-12-14 09:49:11,491 WARN L623 FunctionHandler]: Unknown extern function dma_pool_create [2022-12-14 09:49:11,491 WARN L623 FunctionHandler]: Unknown extern function dma_pool_destroy [2022-12-14 09:49:11,491 WARN L623 FunctionHandler]: Unknown extern function dma_pool_destroy [2022-12-14 09:49:11,491 WARN L623 FunctionHandler]: Unknown extern function dma_pool_destroy [2022-12-14 09:49:11,499 WARN L623 FunctionHandler]: Unknown extern function ida_pre_get [2022-12-14 09:49:11,499 WARN L623 FunctionHandler]: Unknown extern function ida_remove [2022-12-14 09:49:11,500 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 09:49:11,500 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:49:11,501 WARN L623 FunctionHandler]: Unknown extern function pci_dev_put [2022-12-14 09:49:11,501 WARN L623 FunctionHandler]: Unknown extern function put_device [2022-12-14 09:49:11,501 WARN L623 FunctionHandler]: Unknown extern function blk_mq_free_tag_set [2022-12-14 09:49:11,501 WARN L623 FunctionHandler]: Unknown extern function blk_put_queue [2022-12-14 09:49:11,501 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:49:11,501 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:49:11,501 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:49:11,508 WARN L623 FunctionHandler]: Unknown extern function irq_set_affinity_hint [2022-12-14 09:49:11,509 WARN L623 FunctionHandler]: Unknown extern function kthread_create_on_node [2022-12-14 09:49:11,510 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 09:49:11,510 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 09:49:11,510 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-14 09:49:11,510 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-14 09:49:11,511 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 09:49:11,511 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 09:49:11,514 WARN L623 FunctionHandler]: Unknown extern function pci_stop_and_remove_bus_device_locked [2022-12-14 09:49:11,514 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 09:49:11,515 WARN L623 FunctionHandler]: Unknown extern function kthread_create_on_node [2022-12-14 09:49:11,515 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 09:49:11,515 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 09:49:11,519 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 09:49:11,519 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 09:49:11,519 WARN L623 FunctionHandler]: Unknown extern function pci_dev_get [2022-12-14 09:49:11,519 WARN L623 FunctionHandler]: Unknown extern function device_create [2022-12-14 09:49:11,520 WARN L623 FunctionHandler]: Unknown extern function get_device [2022-12-14 09:49:11,520 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 09:49:11,520 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 09:49:11,521 WARN L623 FunctionHandler]: Unknown extern function pci_dev_put [2022-12-14 09:49:11,521 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:49:11,521 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:49:11,521 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:49:11,522 WARN L623 FunctionHandler]: Unknown extern function work_busy [2022-12-14 09:49:11,522 WARN L623 FunctionHandler]: Unknown extern function flush_work [2022-12-14 09:49:11,522 WARN L623 FunctionHandler]: Unknown extern function flush_work [2022-12-14 09:49:11,522 WARN L623 FunctionHandler]: Unknown extern function device_destroy [2022-12-14 09:49:11,523 WARN L623 FunctionHandler]: Unknown extern function work_busy [2022-12-14 09:49:11,524 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 09:49:11,524 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-12-14 09:49:11,525 WARN L623 FunctionHandler]: Unknown extern function register_blkdev [2022-12-14 09:49:11,526 WARN L623 FunctionHandler]: Unknown extern function __unregister_chrdev [2022-12-14 09:49:11,526 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-12-14 09:49:11,526 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-14 09:49:11,526 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-12-14 09:49:11,527 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-14 09:49:11,527 WARN L623 FunctionHandler]: Unknown extern function __unregister_chrdev [2022-12-14 09:49:11,553 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 09:49:11,553 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 09:49:11,554 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 09:49:11,554 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 09:49:11,555 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 09:49:11,555 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 09:49:11,556 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 09:49:11,556 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 09:49:11,556 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 09:49:11,557 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-12-14 09:49:11,557 WARN L623 FunctionHandler]: Unknown extern function add_disk [2022-12-14 09:49:11,557 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-12-14 09:49:11,557 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 09:49:11,558 WARN L623 FunctionHandler]: Unknown extern function del_gendisk [2022-12-14 09:49:11,558 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-12-14 09:49:11,558 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-12-14 09:49:11,558 WARN L623 FunctionHandler]: Unknown extern function __register_chrdev [2022-12-14 09:49:11,558 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 09:49:11,559 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 09:49:11,559 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 09:49:11,559 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 09:49:11,560 WARN L623 FunctionHandler]: Unknown extern function __bitmap_empty [2022-12-14 09:49:11,566 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-14 09:49:11,566 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-14 09:49:11,566 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-14 09:49:11,568 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-14 09:49:11,569 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:49:11,570 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:49:11,572 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:49:11,573 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:49:11,574 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:49:11,576 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:49:11,578 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:49:11,583 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:49:11,592 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:49:11,594 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:49:11,616 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:49:11,620 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:49:11,622 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:49:11,624 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:49:11,630 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:49:11,633 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 09:49:11,634 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 09:49:11,644 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 09:49:11,649 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 09:49:11,663 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571462,571475] [2022-12-14 09:49:11,663 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571607,571620] [2022-12-14 09:49:11,663 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571753,571766] [2022-12-14 09:49:11,663 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571918,571931] [2022-12-14 09:49:11,664 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572076,572089] [2022-12-14 09:49:11,664 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572234,572247] [2022-12-14 09:49:11,664 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572392,572405] [2022-12-14 09:49:11,664 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572552,572565] [2022-12-14 09:49:11,664 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572711,572724] [2022-12-14 09:49:11,665 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572850,572863] [2022-12-14 09:49:11,665 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572992,573005] [2022-12-14 09:49:11,665 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573141,573154] [2022-12-14 09:49:11,665 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573280,573293] [2022-12-14 09:49:11,665 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573435,573448] [2022-12-14 09:49:11,666 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573595,573608] [2022-12-14 09:49:11,666 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573746,573759] [2022-12-14 09:49:11,666 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573897,573910] [2022-12-14 09:49:11,666 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574049,574062] [2022-12-14 09:49:11,667 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574198,574211] [2022-12-14 09:49:11,667 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574346,574359] [2022-12-14 09:49:11,667 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574503,574516] [2022-12-14 09:49:11,667 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574652,574665] [2022-12-14 09:49:11,667 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574808,574821] [2022-12-14 09:49:11,667 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574961,574974] [2022-12-14 09:49:11,668 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575107,575120] [2022-12-14 09:49:11,668 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575250,575263] [2022-12-14 09:49:11,668 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575402,575415] [2022-12-14 09:49:11,668 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575548,575561] [2022-12-14 09:49:11,668 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575693,575706] [2022-12-14 09:49:11,669 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575847,575860] [2022-12-14 09:49:11,669 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575998,576011] [2022-12-14 09:49:11,669 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576153,576166] [2022-12-14 09:49:11,669 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576305,576318] [2022-12-14 09:49:11,669 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576460,576473] [2022-12-14 09:49:11,670 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576624,576637] [2022-12-14 09:49:11,670 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576780,576793] [2022-12-14 09:49:11,670 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576944,576957] [2022-12-14 09:49:11,670 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577086,577099] [2022-12-14 09:49:11,670 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577244,577257] [2022-12-14 09:49:11,670 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577411,577424] [2022-12-14 09:49:11,671 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577570,577583] [2022-12-14 09:49:11,671 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577729,577742] [2022-12-14 09:49:11,671 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577878,577891] [2022-12-14 09:49:11,671 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578025,578038] [2022-12-14 09:49:11,671 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578164,578177] [2022-12-14 09:49:11,672 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578327,578340] [2022-12-14 09:49:11,672 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578493,578506] [2022-12-14 09:49:11,672 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578657,578670] [2022-12-14 09:49:11,672 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578822,578835] [2022-12-14 09:49:11,672 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578987,579000] [2022-12-14 09:49:11,673 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579153,579166] [2022-12-14 09:49:11,673 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579318,579331] [2022-12-14 09:49:11,673 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579485,579498] [2022-12-14 09:49:11,673 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579645,579658] [2022-12-14 09:49:11,673 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579807,579820] [2022-12-14 09:49:11,674 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579966,579979] [2022-12-14 09:49:11,674 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580112,580125] [2022-12-14 09:49:11,674 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580255,580268] [2022-12-14 09:49:11,674 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580399,580412] [2022-12-14 09:49:11,674 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580542,580555] [2022-12-14 09:49:11,674 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580686,580699] [2022-12-14 09:49:11,675 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580827,580840] [2022-12-14 09:49:11,675 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580965,580978] [2022-12-14 09:49:11,675 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581123,581136] [2022-12-14 09:49:11,675 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581282,581295] [2022-12-14 09:49:11,675 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581438,581451] [2022-12-14 09:49:11,676 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581587,581600] [2022-12-14 09:49:11,676 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581739,581752] [2022-12-14 09:49:11,676 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581890,581903] [2022-12-14 09:49:11,676 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582039,582052] [2022-12-14 09:49:11,676 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582191,582204] [2022-12-14 09:49:11,677 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582339,582352] [2022-12-14 09:49:11,677 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582492,582505] [2022-12-14 09:49:11,677 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582643,582656] [2022-12-14 09:49:11,677 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582793,582806] [2022-12-14 09:49:11,677 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582940,582953] [2022-12-14 09:49:11,678 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583091,583104] [2022-12-14 09:49:11,678 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583242,583255] [2022-12-14 09:49:11,678 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583390,583403] [2022-12-14 09:49:11,678 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583556,583569] [2022-12-14 09:49:11,678 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583725,583738] [2022-12-14 09:49:11,678 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583892,583905] [2022-12-14 09:49:11,679 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584060,584073] [2022-12-14 09:49:11,679 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584210,584223] [2022-12-14 09:49:11,679 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584357,584370] [2022-12-14 09:49:11,679 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584518,584531] [2022-12-14 09:49:11,679 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584688,584701] [2022-12-14 09:49:11,680 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584850,584863] [2022-12-14 09:49:11,685 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:49:11,915 INFO L208 MainTranslator]: Completed translation [2022-12-14 09:49:11,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:49:11 WrapperNode [2022-12-14 09:49:11,916 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 09:49:11,916 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 09:49:11,916 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 09:49:11,917 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 09:49:11,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:49:11" (1/1) ... [2022-12-14 09:49:12,007 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:49:11" (1/1) ... [2022-12-14 09:49:12,753 INFO L138 Inliner]: procedures = 984, calls = 4896, calls flagged for inlining = 497, calls inlined = 414, statements flattened = 12870 [2022-12-14 09:49:12,753 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 09:49:12,754 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 09:49:12,754 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 09:49:12,754 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 09:49:12,762 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:49:11" (1/1) ... [2022-12-14 09:49:12,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:49:11" (1/1) ... [2022-12-14 09:49:12,889 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:49:11" (1/1) ... [2022-12-14 09:49:12,890 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:49:11" (1/1) ... [2022-12-14 09:49:13,211 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:49:11" (1/1) ... [2022-12-14 09:49:13,230 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:49:11" (1/1) ... [2022-12-14 09:49:13,280 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:49:11" (1/1) ... [2022-12-14 09:49:13,305 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:49:11" (1/1) ... [2022-12-14 09:49:13,419 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 09:49:13,419 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 09:49:13,419 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 09:49:13,419 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 09:49:13,420 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:49:11" (1/1) ... [2022-12-14 09:49:13,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:49:13,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:49:13,442 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 09:49:13,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 09:49:13,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_127 [2022-12-14 09:49:13,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_127 [2022-12-14 09:49:13,468 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-12-14 09:49:13,468 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_unmap [2022-12-14 09:49:13,468 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_unmap [2022-12-14 09:49:13,468 INFO L130 BoogieDeclarations]: Found specification of procedure queue_kthread_work [2022-12-14 09:49:13,468 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_kthread_work [2022-12-14 09:49:13,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_queue_lock_of_request_queue [2022-12-14 09:49:13,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_queue_lock_of_request_queue [2022-12-14 09:49:13,468 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_fill_inf_exc_page [2022-12-14 09:49:13,468 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_fill_inf_exc_page [2022-12-14 09:49:13,468 INFO L130 BoogieDeclarations]: Found specification of procedure adapter_delete_cq [2022-12-14 09:49:13,468 INFO L138 BoogieDeclarations]: Found implementation of procedure adapter_delete_cq [2022-12-14 09:49:13,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-12-14 09:49:13,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-12-14 09:49:13,468 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2022-12-14 09:49:13,468 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2022-12-14 09:49:13,468 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_setup_prps [2022-12-14 09:49:13,468 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_setup_prps [2022-12-14 09:49:13,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-14 09:49:13,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-14 09:49:13,469 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-12-14 09:49:13,469 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-12-14 09:49:13,469 INFO L130 BoogieDeclarations]: Found specification of procedure queue_flag_set_unlocked [2022-12-14 09:49:13,469 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_flag_set_unlocked [2022-12-14 09:49:13,469 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_suspend [2022-12-14 09:49:13,469 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_suspend [2022-12-14 09:49:13,469 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_copy_to_user [2022-12-14 09:49:13,469 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_copy_to_user [2022-12-14 09:49:13,469 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_release_instance [2022-12-14 09:49:13,469 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_release_instance [2022-12-14 09:49:13,469 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-12-14 09:49:13,469 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-12-14 09:49:13,469 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2022-12-14 09:49:13,469 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2022-12-14 09:49:13,469 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_submit_cmd [2022-12-14 09:49:13,469 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_submit_cmd [2022-12-14 09:49:13,469 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_resume [2022-12-14 09:49:13,469 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_resume [2022-12-14 09:49:13,469 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_start [2022-12-14 09:49:13,469 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_start [2022-12-14 09:49:13,469 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-14 09:49:13,469 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-14 09:49:13,469 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2022-12-14 09:49:13,469 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2022-12-14 09:49:13,470 INFO L130 BoogieDeclarations]: Found specification of procedure blk_integrity_unregister [2022-12-14 09:49:13,470 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_integrity_unregister [2022-12-14 09:49:13,470 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-14 09:49:13,470 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-14 09:49:13,470 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dif_remap [2022-12-14 09:49:13,470 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dif_remap [2022-12-14 09:49:13,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-12-14 09:49:13,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-12-14 09:49:13,470 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_identify [2022-12-14 09:49:13,470 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_identify [2022-12-14 09:49:13,470 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-12-14 09:49:13,470 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-12-14 09:49:13,470 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_ioctl [2022-12-14 09:49:13,470 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_ioctl [2022-12-14 09:49:13,470 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-12-14 09:49:13,470 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-12-14 09:49:13,470 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2022-12-14 09:49:13,470 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2022-12-14 09:49:13,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_106 [2022-12-14 09:49:13,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_106 [2022-12-14 09:49:13,470 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work [2022-12-14 09:49:13,470 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work [2022-12-14 09:49:13,470 INFO L130 BoogieDeclarations]: Found specification of procedure db_bar_size [2022-12-14 09:49:13,471 INFO L138 BoogieDeclarations]: Found implementation of procedure db_bar_size [2022-12-14 09:49:13,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-14 09:49:13,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-14 09:49:13,471 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_process_cq [2022-12-14 09:49:13,471 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_process_cq [2022-12-14 09:49:13,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-12-14 09:49:13,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-12-14 09:49:13,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 09:49:13,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-12-14 09:49:13,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-12-14 09:49:13,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-12-14 09:49:13,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-12-14 09:49:13,471 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_free_queues [2022-12-14 09:49:13,471 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_free_queues [2022-12-14 09:49:13,471 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2022-12-14 09:49:13,471 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2022-12-14 09:49:13,471 INFO L130 BoogieDeclarations]: Found specification of procedure queue_request_irq [2022-12-14 09:49:13,471 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_request_irq [2022-12-14 09:49:13,471 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_alloc_tag_set [2022-12-14 09:49:13,471 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_alloc_tag_set [2022-12-14 09:49:13,471 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-12-14 09:49:13,471 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-12-14 09:49:13,471 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-12-14 09:49:13,471 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-12-14 09:49:13,472 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-12-14 09:49:13,472 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-12-14 09:49:13,472 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc_node [2022-12-14 09:49:13,472 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc_node [2022-12-14 09:49:13,472 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-12-14 09:49:13,472 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-12-14 09:49:13,472 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_init_queue [2022-12-14 09:49:13,472 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_init_queue [2022-12-14 09:49:13,472 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2022-12-14 09:49:13,472 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2022-12-14 09:49:13,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-12-14 09:49:13,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-12-14 09:49:13,472 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get_unless_zero [2022-12-14 09:49:13,472 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get_unless_zero [2022-12-14 09:49:13,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_check_return_value_probe [2022-12-14 09:49:13,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_check_return_value_probe [2022-12-14 09:49:13,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 09:49:13,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-12-14 09:49:13,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2022-12-14 09:49:13,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_check_return_value_probe [2022-12-14 09:49:13,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_check_return_value_probe [2022-12-14 09:49:13,472 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-12-14 09:49:13,472 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-12-14 09:49:13,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 09:49:13,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-14 09:49:13,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-14 09:49:13,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 09:49:13,473 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2022-12-14 09:49:13,473 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2022-12-14 09:49:13,473 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-14 09:49:13,473 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_del_queue_end [2022-12-14 09:49:13,473 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_del_queue_end [2022-12-14 09:49:13,473 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-12-14 09:49:13,473 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-12-14 09:49:13,473 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_fill_control_page [2022-12-14 09:49:13,473 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_fill_control_page [2022-12-14 09:49:13,473 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_bytes [2022-12-14 09:49:13,473 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_bytes [2022-12-14 09:49:13,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_threaded_irq [2022-12-14 09:49:13,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_threaded_irq [2022-12-14 09:49:13,473 INFO L130 BoogieDeclarations]: Found specification of procedure kmap_atomic [2022-12-14 09:49:13,473 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap_atomic [2022-12-14 09:49:13,473 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_list_remove [2022-12-14 09:49:13,473 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_list_remove [2022-12-14 09:49:13,473 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-14 09:49:13,473 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-14 09:49:13,473 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_unmap_user_pages [2022-12-14 09:49:13,474 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_unmap_user_pages [2022-12-14 09:49:13,474 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_clear_queue [2022-12-14 09:49:13,474 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_clear_queue [2022-12-14 09:49:13,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 09:49:13,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 09:49:13,474 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_cmd_size [2022-12-14 09:49:13,474 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_cmd_size [2022-12-14 09:49:13,474 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-12-14 09:49:13,474 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-12-14 09:49:13,474 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_wait_ready [2022-12-14 09:49:13,474 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_wait_ready [2022-12-14 09:49:13,474 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_revalidate_disk [2022-12-14 09:49:13,474 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_revalidate_disk [2022-12-14 09:49:13,474 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-12-14 09:49:13,474 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-12-14 09:49:13,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 09:49:13,474 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_set_info [2022-12-14 09:49:13,474 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_set_info [2022-12-14 09:49:13,474 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-12-14 09:49:13,474 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-12-14 09:49:13,474 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_set_irq_hints [2022-12-14 09:49:13,474 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_set_irq_hints [2022-12-14 09:49:13,474 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-12-14 09:49:13,474 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-12-14 09:49:13,474 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_sg_attrs [2022-12-14 09:49:13,475 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_sg_attrs [2022-12-14 09:49:13,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-12-14 09:49:13,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-12-14 09:49:13,475 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-12-14 09:49:13,475 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-12-14 09:49:13,475 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_freeze_queue_start [2022-12-14 09:49:13,475 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_freeze_queue_start [2022-12-14 09:49:13,475 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_init_queue [2022-12-14 09:49:13,475 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_init_queue [2022-12-14 09:49:13,475 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_io [2022-12-14 09:49:13,475 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_io [2022-12-14 09:49:13,475 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2022-12-14 09:49:13,475 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2022-12-14 09:49:13,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 09:49:13,475 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 09:49:13,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2022-12-14 09:49:13,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2022-12-14 09:49:13,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-12-14 09:49:13,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-12-14 09:49:13,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_dev_list_lock [2022-12-14 09:49:13,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_dev_list_lock [2022-12-14 09:49:13,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-12-14 09:49:13,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-12-14 09:49:13,475 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-12-14 09:49:13,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-12-14 09:49:13,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-12-14 09:49:13,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-12-14 09:49:13,476 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_node [2022-12-14 09:49:13,476 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_node [2022-12-14 09:49:13,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 09:49:13,476 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-14 09:49:13,476 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-14 09:49:13,476 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_remove [2022-12-14 09:49:13,476 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_remove [2022-12-14 09:49:13,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-12-14 09:49:13,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-12-14 09:49:13,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_base_class__double_registration [2022-12-14 09:49:13,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_base_class__double_registration [2022-12-14 09:49:13,476 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_rq_to_pdu [2022-12-14 09:49:13,476 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_rq_to_pdu [2022-12-14 09:49:13,476 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2022-12-14 09:49:13,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2022-12-14 09:49:13,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 09:49:13,476 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-12-14 09:49:13,476 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-12-14 09:49:13,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_destroy_class [2022-12-14 09:49:13,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_destroy_class [2022-12-14 09:49:13,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_dev_list_lock [2022-12-14 09:49:13,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_dev_list_lock [2022-12-14 09:49:13,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_q_lock_of_nvme_queue [2022-12-14 09:49:13,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_q_lock_of_nvme_queue [2022-12-14 09:49:13,477 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-12-14 09:49:13,477 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-12-14 09:49:13,477 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_free_request [2022-12-14 09:49:13,477 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_free_request [2022-12-14 09:49:13,477 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_submit_admin_cmd [2022-12-14 09:49:13,477 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_submit_admin_cmd [2022-12-14 09:49:13,477 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-12-14 09:49:13,477 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-12-14 09:49:13,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-14 09:49:13,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-14 09:49:13,477 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-12-14 09:49:13,477 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-12-14 09:49:13,477 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_copy_from_user [2022-12-14 09:49:13,477 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_copy_from_user [2022-12-14 09:49:13,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-12-14 09:49:13,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-12-14 09:49:13,477 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-12-14 09:49:13,477 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-12-14 09:49:13,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-12-14 09:49:13,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-12-14 09:49:13,477 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-12-14 09:49:13,477 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-12-14 09:49:13,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 09:49:13,478 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_kick_requeue_list [2022-12-14 09:49:13,478 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_kick_requeue_list [2022-12-14 09:49:13,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 09:49:13,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 09:49:13,478 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_affinity_hint [2022-12-14 09:49:13,478 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_affinity_hint [2022-12-14 09:49:13,478 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_worker_fn [2022-12-14 09:49:13,478 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2022-12-14 09:49:13,478 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2022-12-14 09:49:13,478 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_disable_queue [2022-12-14 09:49:13,478 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_disable_queue [2022-12-14 09:49:13,478 INFO L130 BoogieDeclarations]: Found specification of procedure iod_list [2022-12-14 09:49:13,478 INFO L138 BoogieDeclarations]: Found implementation of procedure iod_list [2022-12-14 09:49:13,478 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_shutdown [2022-12-14 09:49:13,478 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_shutdown [2022-12-14 09:49:13,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_126 [2022-12-14 09:49:13,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_126 [2022-12-14 09:49:13,478 INFO L130 BoogieDeclarations]: Found specification of procedure __nvme_alloc_iod [2022-12-14 09:49:13,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __nvme_alloc_iod [2022-12-14 09:49:13,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_q_lock_of_nvme_queue [2022-12-14 09:49:13,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_q_lock_of_nvme_queue [2022-12-14 09:49:13,478 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-12-14 09:49:13,478 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-12-14 09:49:13,479 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_free_hctx_request [2022-12-14 09:49:13,479 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_free_hctx_request [2022-12-14 09:49:13,479 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_status_code [2022-12-14 09:49:13,479 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_status_code [2022-12-14 09:49:13,479 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2022-12-14 09:49:13,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2022-12-14 09:49:13,479 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_free_iod [2022-12-14 09:49:13,479 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_free_iod [2022-12-14 09:49:13,479 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-12-14 09:49:13,479 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-12-14 09:49:13,479 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2022-12-14 09:49:13,479 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2022-12-14 09:49:13,479 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-12-14 09:49:13,479 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-12-14 09:49:13,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2022-12-14 09:49:13,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2022-12-14 09:49:13,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-12-14 09:49:13,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-12-14 09:49:13,479 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-12-14 09:49:13,479 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-12-14 09:49:13,479 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-12-14 09:49:13,479 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-12-14 09:49:13,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 09:49:13,479 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 09:49:13,480 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_complete_request [2022-12-14 09:49:13,480 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_complete_request [2022-12-14 09:49:13,480 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-12-14 09:49:13,480 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-12-14 09:49:13,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 09:49:13,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 09:49:13,480 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-12-14 09:49:13,480 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-12-14 09:49:13,480 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_fill_caching_page [2022-12-14 09:49:13,480 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_fill_caching_page [2022-12-14 09:49:13,480 INFO L130 BoogieDeclarations]: Found specification of procedure __nvme_submit_cmd [2022-12-14 09:49:13,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __nvme_submit_cmd [2022-12-14 09:49:13,480 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_sg_attrs [2022-12-14 09:49:13,480 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_sg_attrs [2022-12-14 09:49:13,480 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_get_features [2022-12-14 09:49:13,480 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_get_features [2022-12-14 09:49:13,480 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_unfreeze_queue [2022-12-14 09:49:13,480 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_unfreeze_queue [2022-12-14 09:49:13,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-12-14 09:49:13,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-12-14 09:49:13,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-12-14 09:49:13,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-12-14 09:49:13,480 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_read_capacity [2022-12-14 09:49:13,480 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_read_capacity [2022-12-14 09:49:13,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-14 09:49:13,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-14 09:49:13,481 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_logical_block_size [2022-12-14 09:49:13,481 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_logical_block_size [2022-12-14 09:49:13,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-14 09:49:13,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-14 09:49:13,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-12-14 09:49:13,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-12-14 09:49:13,481 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2022-12-14 09:49:13,481 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2022-12-14 09:49:13,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 09:49:13,481 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-12-14 09:49:13,481 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-12-14 09:49:13,481 INFO L130 BoogieDeclarations]: Found specification of procedure iod_get_private [2022-12-14 09:49:13,481 INFO L138 BoogieDeclarations]: Found implementation of procedure iod_get_private [2022-12-14 09:49:13,481 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_remove_admin [2022-12-14 09:49:13,537 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_remove_admin [2022-12-14 09:49:13,537 INFO L130 BoogieDeclarations]: Found specification of procedure adapter_delete_queue [2022-12-14 09:49:13,537 INFO L138 BoogieDeclarations]: Found implementation of procedure adapter_delete_queue [2022-12-14 09:49:13,537 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-12-14 09:49:13,537 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-12-14 09:49:13,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-14 09:49:13,537 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_free_tag_set [2022-12-14 09:49:13,537 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_free_tag_set [2022-12-14 09:49:13,537 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-12-14 09:49:13,537 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-12-14 09:49:13,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 09:49:13,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_blk_cleanup_queue [2022-12-14 09:49:13,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_blk_cleanup_queue [2022-12-14 09:49:13,538 INFO L130 BoogieDeclarations]: Found specification of procedure __nvme_submit_admin_cmd [2022-12-14 09:49:13,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __nvme_submit_admin_cmd [2022-12-14 09:49:13,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-12-14 09:49:13,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-12-14 09:49:13,538 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_fill_pow_cnd_page [2022-12-14 09:49:13,538 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_fill_pow_cnd_page [2022-12-14 09:49:13,538 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_disable_ctrl [2022-12-14 09:49:13,538 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_disable_ctrl [2022-12-14 09:49:13,538 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_empty [2022-12-14 09:49:13,538 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_empty [2022-12-14 09:49:13,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-12-14 09:49:13,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-12-14 09:49:13,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-14 09:49:13,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-14 09:49:13,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-12-14 09:49:13,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-12-14 09:49:13,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-12-14 09:49:13,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-12-14 09:49:13,539 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_resume [2022-12-14 09:49:13,539 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_resume [2022-12-14 09:49:13,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-12-14 09:49:13,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-12-14 09:49:13,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_1 [2022-12-14 09:49:13,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_1 [2022-12-14 09:49:13,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_2 [2022-12-14 09:49:13,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_2 [2022-12-14 09:49:13,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-12-14 09:49:13,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-12-14 09:49:13,539 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_reset_failed_dev [2022-12-14 09:49:13,539 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_reset_failed_dev [2022-12-14 09:49:13,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_queue_lock_of_request_queue [2022-12-14 09:49:13,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_queue_lock_of_request_queue [2022-12-14 09:49:13,540 INFO L130 BoogieDeclarations]: Found specification of procedure blk_integrity_rq [2022-12-14 09:49:13,540 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_integrity_rq [2022-12-14 09:49:13,540 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2022-12-14 09:49:13,540 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2022-12-14 09:49:13,540 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 09:49:13,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 09:49:13,540 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-12-14 09:49:13,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-12-14 09:49:13,540 INFO L130 BoogieDeclarations]: Found specification of procedure fatal_signal_pending [2022-12-14 09:49:13,540 INFO L138 BoogieDeclarations]: Found implementation of procedure fatal_signal_pending [2022-12-14 09:49:13,540 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_alloc_queue [2022-12-14 09:49:13,540 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_alloc_queue [2022-12-14 09:49:13,540 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-12-14 09:49:13,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-12-14 09:49:13,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-12-14 09:49:13,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-12-14 09:49:13,541 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_submit_io_cmd [2022-12-14 09:49:13,541 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_submit_io_cmd [2022-12-14 09:49:13,541 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-12-14 09:49:13,541 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-12-14 09:49:13,541 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-12-14 09:49:13,541 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-12-14 09:49:13,541 INFO L130 BoogieDeclarations]: Found specification of procedure writeq [2022-12-14 09:49:13,541 INFO L138 BoogieDeclarations]: Found implementation of procedure writeq [2022-12-14 09:49:13,541 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-12-14 09:49:13,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-12-14 09:49:13,541 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2022-12-14 09:49:13,542 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-12-14 09:49:13,542 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-12-14 09:49:13,542 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_alloc_request [2022-12-14 09:49:13,542 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_alloc_request [2022-12-14 09:49:13,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 09:49:13,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 09:49:13,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 09:49:13,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-14 09:49:13,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-14 09:49:13,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_destroy_class [2022-12-14 09:49:13,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_destroy_class [2022-12-14 09:49:13,542 INFO L130 BoogieDeclarations]: Found specification of procedure adapter_delete_sq [2022-12-14 09:49:13,542 INFO L138 BoogieDeclarations]: Found implementation of procedure adapter_delete_sq [2022-12-14 09:49:13,542 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-12-14 09:49:13,543 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-12-14 09:49:13,543 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2022-12-14 09:49:13,543 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2022-12-14 09:49:13,543 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2022-12-14 09:49:13,543 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2022-12-14 09:49:13,543 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_pos [2022-12-14 09:49:13,543 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_pos [2022-12-14 09:49:13,543 INFO L130 BoogieDeclarations]: Found specification of procedure __le64_to_cpup [2022-12-14 09:49:13,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __le64_to_cpup [2022-12-14 09:49:13,543 INFO L130 BoogieDeclarations]: Found specification of procedure work_busy [2022-12-14 09:49:13,543 INFO L138 BoogieDeclarations]: Found implementation of procedure work_busy [2022-12-14 09:49:13,543 INFO L130 BoogieDeclarations]: Found specification of procedure adapter_async_del_queue [2022-12-14 09:49:13,543 INFO L138 BoogieDeclarations]: Found implementation of procedure adapter_async_del_queue [2022-12-14 09:49:13,543 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-12-14 09:49:13,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-12-14 09:49:13,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 09:49:13,544 INFO L130 BoogieDeclarations]: Found specification of procedure __unregister_chrdev [2022-12-14 09:49:13,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __unregister_chrdev [2022-12-14 09:49:13,544 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-12-14 09:49:13,544 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-12-14 09:49:13,544 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-12-14 09:49:13,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-12-14 09:49:13,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-12-14 09:49:13,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-12-14 09:49:13,544 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_user_cmd [2022-12-14 09:49:13,544 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_user_cmd [2022-12-14 09:49:13,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-12-14 09:49:13,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-12-14 09:49:13,544 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_block_nr [2022-12-14 09:49:13,544 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_block_nr [2022-12-14 09:49:13,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-14 09:49:13,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-14 09:49:13,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-12-14 09:49:13,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-12-14 09:49:13,545 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_reset_workfn [2022-12-14 09:49:13,545 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_reset_workfn [2022-12-14 09:49:13,545 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2022-12-14 09:49:13,545 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2022-12-14 09:49:13,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_105 [2022-12-14 09:49:13,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_105 [2022-12-14 09:49:13,545 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 09:49:13,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 09:49:13,545 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_submit_sync_cmd [2022-12-14 09:49:13,545 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_submit_sync_cmd [2022-12-14 09:49:13,545 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_shutdown [2022-12-14 09:49:13,545 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_shutdown [2022-12-14 09:49:13,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-12-14 09:49:13,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-12-14 09:49:13,546 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_npages [2022-12-14 09:49:13,546 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_npages [2022-12-14 09:49:13,546 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 09:49:13,546 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 09:49:13,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-12-14 09:49:13,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-12-14 09:49:13,546 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_map_user_pages [2022-12-14 09:49:13,546 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_map_user_pages [2022-12-14 09:49:13,546 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_remove [2022-12-14 09:49:13,546 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_remove [2022-12-14 09:49:13,546 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-12-14 09:49:13,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-12-14 09:49:13,546 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_ioctl [2022-12-14 09:49:13,546 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_ioctl [2022-12-14 09:49:13,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-12-14 09:49:13,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-12-14 09:49:13,547 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_release_prp_pools [2022-12-14 09:49:13,547 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_release_prp_pools [2022-12-14 09:49:13,547 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_mode_page_create [2022-12-14 09:49:13,547 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_mode_page_create [2022-12-14 09:49:13,547 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-12-14 09:49:13,547 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-12-14 09:49:13,547 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-12-14 09:49:13,547 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-12-14 09:49:13,547 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_send_fw_cmd [2022-12-14 09:49:13,547 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_send_fw_cmd [2022-12-14 09:49:13,547 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2022-12-14 09:49:13,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2022-12-14 09:49:13,547 INFO L130 BoogieDeclarations]: Found specification of procedure iod_init [2022-12-14 09:49:13,548 INFO L138 BoogieDeclarations]: Found implementation of procedure iod_init [2022-12-14 09:49:13,548 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_reset [2022-12-14 09:49:13,548 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_reset [2022-12-14 09:49:13,548 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2022-12-14 09:49:13,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2022-12-14 09:49:13,548 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2022-12-14 09:49:13,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2022-12-14 09:49:13,548 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-12-14 09:49:13,548 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-12-14 09:49:13,548 INFO L130 BoogieDeclarations]: Found specification of procedure queue_logical_block_size [2022-12-14 09:49:13,548 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_logical_block_size [2022-12-14 09:49:13,548 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_suspend_queue [2022-12-14 09:49:13,548 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_suspend_queue [2022-12-14 09:49:13,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-14 09:49:13,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-14 09:49:13,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-12-14 09:49:13,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-12-14 09:49:13,549 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_completion [2022-12-14 09:49:13,549 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_completion [2022-12-14 09:49:13,549 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-12-14 09:49:13,549 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-12-14 09:49:13,549 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_set_features [2022-12-14 09:49:13,549 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_set_features [2022-12-14 09:49:13,549 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-12-14 09:49:13,549 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-12-14 09:49:13,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 09:49:13,549 INFO L130 BoogieDeclarations]: Found specification of procedure readq [2022-12-14 09:49:13,549 INFO L138 BoogieDeclarations]: Found implementation of procedure readq [2022-12-14 09:49:13,549 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2022-12-14 09:49:13,549 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2022-12-14 09:49:13,549 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-12-14 09:49:14,577 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 09:49:14,580 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 09:49:28,220 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 09:49:51,463 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 09:49:54,172 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 09:49:54,172 INFO L300 CfgBuilder]: Removed 11 assume(true) statements. [2022-12-14 09:49:54,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:49:54 BoogieIcfgContainer [2022-12-14 09:49:54,177 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 09:49:54,179 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 09:49:54,179 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 09:49:54,181 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 09:49:54,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 09:49:05" (1/3) ... [2022-12-14 09:49:54,181 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15839bda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:49:54, skipping insertion in model container [2022-12-14 09:49:54,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:49:11" (2/3) ... [2022-12-14 09:49:54,182 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15839bda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:49:54, skipping insertion in model container [2022-12-14 09:49:54,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:49:54" (3/3) ... [2022-12-14 09:49:54,183 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--block--nvme.ko.cil.i [2022-12-14 09:49:54,197 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 09:49:54,197 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2022-12-14 09:49:54,306 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 09:49:54,310 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;@181c4d40, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 09:49:54,311 INFO L358 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2022-12-14 09:49:54,327 INFO L276 IsEmpty]: Start isEmpty. Operand has 3386 states, 2032 states have (on average 1.3169291338582678) internal successors, (2676), 2139 states have internal predecessors, (2676), 1074 states have call successors, (1074), 249 states have call predecessors, (1074), 248 states have return successors, (1066), 1057 states have call predecessors, (1066), 1066 states have call successors, (1066) [2022-12-14 09:49:54,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-14 09:49:54,337 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:49:54,338 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:49:54,338 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-14 09:49:54,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:49:54,342 INFO L85 PathProgramCache]: Analyzing trace with hash 1596905565, now seen corresponding path program 1 times [2022-12-14 09:49:54,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:49:54,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581856143] [2022-12-14 09:49:54,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:49:54,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:49:54,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:49:54,864 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 09:49:54,865 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:49:54,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581856143] [2022-12-14 09:49:54,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581856143] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:49:54,865 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:49:54,865 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 09:49:54,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286752480] [2022-12-14 09:49:54,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:49:54,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 09:49:54,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:49:54,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 09:49:54,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 09:49:54,897 INFO L87 Difference]: Start difference. First operand has 3386 states, 2032 states have (on average 1.3169291338582678) internal successors, (2676), 2139 states have internal predecessors, (2676), 1074 states have call successors, (1074), 249 states have call predecessors, (1074), 248 states have return successors, (1066), 1057 states have call predecessors, (1066), 1066 states have call successors, (1066) Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-14 09:49:57,792 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 09:50:00,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:50:02,036 WARN L539 Checker$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 09:50:09,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 09:50:11,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:50:11,586 INFO L93 Difference]: Finished difference Result 9906 states and 14710 transitions. [2022-12-14 09:50:11,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 09:50:11,589 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 38 [2022-12-14 09:50:11,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:50:11,626 INFO L225 Difference]: With dead ends: 9906 [2022-12-14 09:50:11,626 INFO L226 Difference]: Without dead ends: 6519 [2022-12-14 09:50:11,653 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 09:50:11,655 INFO L413 NwaCegarLoop]: 5297 mSDtfsCounter, 4489 mSDsluCounter, 9470 mSDsCounter, 0 mSdLazyCounter, 1730 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4495 SdHoareTripleChecker+Valid, 14767 SdHoareTripleChecker+Invalid, 1735 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1730 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.2s IncrementalHoareTripleChecker+Time [2022-12-14 09:50:11,655 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4495 Valid, 14767 Invalid, 1735 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1730 Invalid, 4 Unknown, 0 Unchecked, 16.2s Time] [2022-12-14 09:50:11,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6519 states. [2022-12-14 09:50:11,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6519 to 6329. [2022-12-14 09:50:11,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6329 states, 3809 states have (on average 1.294040430559202) internal successors, (4929), 3984 states have internal predecessors, (4929), 2010 states have call successors, (2010), 476 states have call predecessors, (2010), 474 states have return successors, (2067), 1986 states have call predecessors, (2067), 2008 states have call successors, (2067) [2022-12-14 09:50:11,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6329 states to 6329 states and 9006 transitions. [2022-12-14 09:50:11,949 INFO L78 Accepts]: Start accepts. Automaton has 6329 states and 9006 transitions. Word has length 38 [2022-12-14 09:50:11,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:50:11,949 INFO L495 AbstractCegarLoop]: Abstraction has 6329 states and 9006 transitions. [2022-12-14 09:50:11,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-14 09:50:11,950 INFO L276 IsEmpty]: Start isEmpty. Operand 6329 states and 9006 transitions. [2022-12-14 09:50:11,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-14 09:50:11,951 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:50:11,951 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:50:11,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 09:50:11,952 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-14 09:50:11,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:50:11,952 INFO L85 PathProgramCache]: Analyzing trace with hash 1695398011, now seen corresponding path program 1 times [2022-12-14 09:50:11,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:50:11,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445132563] [2022-12-14 09:50:11,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:50:11,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:50:12,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:50:12,201 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 09:50:12,202 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:50:12,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445132563] [2022-12-14 09:50:12,202 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445132563] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:50:12,202 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:50:12,202 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 09:50:12,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671262624] [2022-12-14 09:50:12,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:50:12,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 09:50:12,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:50:12,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 09:50:12,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 09:50:12,204 INFO L87 Difference]: Start difference. First operand 6329 states and 9006 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-14 09:50:15,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:50:17,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:50:19,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:50:26,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 09:50:28,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:50:28,414 INFO L93 Difference]: Finished difference Result 12527 states and 18028 transitions. [2022-12-14 09:50:28,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 09:50:28,415 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 43 [2022-12-14 09:50:28,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:50:28,469 INFO L225 Difference]: With dead ends: 12527 [2022-12-14 09:50:28,469 INFO L226 Difference]: Without dead ends: 12525 [2022-12-14 09:50:28,476 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 09:50:28,476 INFO L413 NwaCegarLoop]: 5223 mSDtfsCounter, 4536 mSDsluCounter, 9348 mSDsCounter, 0 mSdLazyCounter, 1715 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4547 SdHoareTripleChecker+Valid, 14571 SdHoareTripleChecker+Invalid, 1722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1715 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.8s IncrementalHoareTripleChecker+Time [2022-12-14 09:50:28,476 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4547 Valid, 14571 Invalid, 1722 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1715 Invalid, 4 Unknown, 0 Unchecked, 15.8s Time] [2022-12-14 09:50:28,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12525 states. [2022-12-14 09:50:28,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12525 to 12329. [2022-12-14 09:50:28,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12329 states, 7424 states have (on average 1.2952586206896552) internal successors, (9616), 7740 states have internal predecessors, (9616), 3938 states have call successors, (3938), 934 states have call predecessors, (3938), 931 states have return successors, (4270), 3886 states have call predecessors, (4270), 3936 states have call successors, (4270) [2022-12-14 09:50:28,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12329 states to 12329 states and 17824 transitions. [2022-12-14 09:50:28,879 INFO L78 Accepts]: Start accepts. Automaton has 12329 states and 17824 transitions. Word has length 43 [2022-12-14 09:50:28,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:50:28,879 INFO L495 AbstractCegarLoop]: Abstraction has 12329 states and 17824 transitions. [2022-12-14 09:50:28,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-14 09:50:28,879 INFO L276 IsEmpty]: Start isEmpty. Operand 12329 states and 17824 transitions. [2022-12-14 09:50:28,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-14 09:50:28,880 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:50:28,880 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:50:28,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 09:50:28,881 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_drivers_base_class__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-14 09:50:28,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:50:28,881 INFO L85 PathProgramCache]: Analyzing trace with hash 698253394, now seen corresponding path program 1 times [2022-12-14 09:50:28,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:50:28,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344220987] [2022-12-14 09:50:28,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:50:28,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:50:28,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:50:29,261 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-14 09:50:29,261 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:50:29,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344220987] [2022-12-14 09:50:29,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344220987] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:50:29,262 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:50:29,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 09:50:29,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404180359] [2022-12-14 09:50:29,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:50:29,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 09:50:29,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:50:29,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 09:50:29,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:50:29,263 INFO L87 Difference]: Start difference. First operand 12329 states and 17824 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-14 09:50:32,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:50:34,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:50:36,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:50:44,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 09:50:46,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:50:46,858 INFO L93 Difference]: Finished difference Result 19964 states and 28499 transitions. [2022-12-14 09:50:46,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 09:50:46,859 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 43 [2022-12-14 09:50:46,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:50:46,940 INFO L225 Difference]: With dead ends: 19964 [2022-12-14 09:50:46,940 INFO L226 Difference]: Without dead ends: 19962 [2022-12-14 09:50:46,950 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-14 09:50:46,951 INFO L413 NwaCegarLoop]: 5122 mSDtfsCounter, 4508 mSDsluCounter, 12810 mSDsCounter, 0 mSdLazyCounter, 2295 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4518 SdHoareTripleChecker+Valid, 17932 SdHoareTripleChecker+Invalid, 2301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2295 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.0s IncrementalHoareTripleChecker+Time [2022-12-14 09:50:46,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4518 Valid, 17932 Invalid, 2301 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2295 Invalid, 4 Unknown, 0 Unchecked, 17.0s Time] [2022-12-14 09:50:46,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19962 states. [2022-12-14 09:50:47,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19962 to 19728. [2022-12-14 09:50:47,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19728 states, 11696 states have (on average 1.278813269493844) internal successors, (14957), 12198 states have internal predecessors, (14957), 6308 states have call successors, (6308), 1693 states have call predecessors, (6308), 1689 states have return successors, (6982), 6212 states have call predecessors, (6982), 6306 states have call successors, (6982) [2022-12-14 09:50:47,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19728 states to 19728 states and 28247 transitions. [2022-12-14 09:50:47,612 INFO L78 Accepts]: Start accepts. Automaton has 19728 states and 28247 transitions. Word has length 43 [2022-12-14 09:50:47,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:50:47,613 INFO L495 AbstractCegarLoop]: Abstraction has 19728 states and 28247 transitions. [2022-12-14 09:50:47,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-14 09:50:47,614 INFO L276 IsEmpty]: Start isEmpty. Operand 19728 states and 28247 transitions. [2022-12-14 09:50:47,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-12-14 09:50:47,617 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:50:47,617 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:50:47,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 09:50:47,618 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-14 09:50:47,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:50:47,618 INFO L85 PathProgramCache]: Analyzing trace with hash -2117822497, now seen corresponding path program 1 times [2022-12-14 09:50:47,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:50:47,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327490775] [2022-12-14 09:50:47,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:50:47,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:50:47,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:50:47,953 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 09:50:47,953 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:50:47,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327490775] [2022-12-14 09:50:47,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327490775] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:50:47,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:50:47,954 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 09:50:47,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300350565] [2022-12-14 09:50:47,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:50:47,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 09:50:47,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:50:47,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 09:50:47,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 09:50:47,955 INFO L87 Difference]: Start difference. First operand 19728 states and 28247 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-14 09:50:50,562 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 09:50:52,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:50:54,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:51:00,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 09:51:01,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:51:01,944 INFO L93 Difference]: Finished difference Result 20264 states and 28889 transitions. [2022-12-14 09:51:01,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 09:51:01,945 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 48 [2022-12-14 09:51:01,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:51:02,032 INFO L225 Difference]: With dead ends: 20264 [2022-12-14 09:51:02,032 INFO L226 Difference]: Without dead ends: 20262 [2022-12-14 09:51:02,037 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 09:51:02,038 INFO L413 NwaCegarLoop]: 4459 mSDtfsCounter, 4501 mSDsluCounter, 5169 mSDsCounter, 0 mSdLazyCounter, 1347 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4512 SdHoareTripleChecker+Valid, 9628 SdHoareTripleChecker+Invalid, 1352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1347 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.4s IncrementalHoareTripleChecker+Time [2022-12-14 09:51:02,038 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4512 Valid, 9628 Invalid, 1352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1347 Invalid, 4 Unknown, 0 Unchecked, 13.4s Time] [2022-12-14 09:51:02,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20262 states. [2022-12-14 09:51:02,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20262 to 20256. [2022-12-14 09:51:02,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20256 states, 11992 states have (on average 1.276184122748499) internal successors, (15304), 12501 states have internal predecessors, (15304), 6447 states have call successors, (6447), 1785 states have call predecessors, (6447), 1783 states have return successors, (7133), 6351 states have call predecessors, (7133), 6445 states have call successors, (7133) [2022-12-14 09:51:02,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20256 states to 20256 states and 28884 transitions. [2022-12-14 09:51:02,680 INFO L78 Accepts]: Start accepts. Automaton has 20256 states and 28884 transitions. Word has length 48 [2022-12-14 09:51:02,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:51:02,680 INFO L495 AbstractCegarLoop]: Abstraction has 20256 states and 28884 transitions. [2022-12-14 09:51:02,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-14 09:51:02,680 INFO L276 IsEmpty]: Start isEmpty. Operand 20256 states and 28884 transitions. [2022-12-14 09:51:02,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-12-14 09:51:02,681 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:51:02,682 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:51:02,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 09:51:02,682 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-14 09:51:02,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:51:02,682 INFO L85 PathProgramCache]: Analyzing trace with hash 321493030, now seen corresponding path program 1 times [2022-12-14 09:51:02,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:51:02,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696746976] [2022-12-14 09:51:02,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:51:02,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:51:02,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:51:02,885 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 09:51:02,885 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:51:02,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696746976] [2022-12-14 09:51:02,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696746976] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:51:02,885 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:51:02,886 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 09:51:02,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637603990] [2022-12-14 09:51:02,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:51:02,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 09:51:02,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:51:02,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 09:51:02,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 09:51:02,887 INFO L87 Difference]: Start difference. First operand 20256 states and 28884 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-14 09:51:05,485 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 09:51:07,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:51:09,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:51:16,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 09:51:17,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:51:17,476 INFO L93 Difference]: Finished difference Result 20262 states and 28887 transitions. [2022-12-14 09:51:17,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 09:51:17,476 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 53 [2022-12-14 09:51:17,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:51:17,535 INFO L225 Difference]: With dead ends: 20262 [2022-12-14 09:51:17,535 INFO L226 Difference]: Without dead ends: 20260 [2022-12-14 09:51:17,549 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 09:51:17,550 INFO L413 NwaCegarLoop]: 4458 mSDtfsCounter, 4499 mSDsluCounter, 5168 mSDsCounter, 0 mSdLazyCounter, 1345 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4510 SdHoareTripleChecker+Valid, 9626 SdHoareTripleChecker+Invalid, 1349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1345 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2022-12-14 09:51:17,550 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4510 Valid, 9626 Invalid, 1349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1345 Invalid, 4 Unknown, 0 Unchecked, 14.0s Time] [2022-12-14 09:51:17,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20260 states. [2022-12-14 09:51:18,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20260 to 20254. [2022-12-14 09:51:18,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20254 states, 11991 states have (on average 1.2761237594862813) internal successors, (15302), 12499 states have internal predecessors, (15302), 6447 states have call successors, (6447), 1785 states have call predecessors, (6447), 1783 states have return successors, (7133), 6351 states have call predecessors, (7133), 6445 states have call successors, (7133) [2022-12-14 09:51:18,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20254 states to 20254 states and 28882 transitions. [2022-12-14 09:51:18,262 INFO L78 Accepts]: Start accepts. Automaton has 20254 states and 28882 transitions. Word has length 53 [2022-12-14 09:51:18,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:51:18,263 INFO L495 AbstractCegarLoop]: Abstraction has 20254 states and 28882 transitions. [2022-12-14 09:51:18,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-14 09:51:18,263 INFO L276 IsEmpty]: Start isEmpty. Operand 20254 states and 28882 transitions. [2022-12-14 09:51:18,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-12-14 09:51:18,264 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:51:18,264 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 09:51:18,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 09:51:18,264 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-14 09:51:18,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:51:18,264 INFO L85 PathProgramCache]: Analyzing trace with hash 1864053383, now seen corresponding path program 1 times [2022-12-14 09:51:18,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:51:18,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525180557] [2022-12-14 09:51:18,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:51:18,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:51:18,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:51:18,545 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-12-14 09:51:18,545 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:51:18,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525180557] [2022-12-14 09:51:18,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525180557] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:51:18,545 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:51:18,545 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 09:51:18,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083087312] [2022-12-14 09:51:18,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:51:18,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 09:51:18,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:51:18,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 09:51:18,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:51:18,547 INFO L87 Difference]: Start difference. First operand 20254 states and 28882 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 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 09:51:21,352 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 09:51:23,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:51:25,808 WARN L539 Checker$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 09:51:32,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 09:51:34,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 09:51:36,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 09:51:38,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:51:38,501 INFO L93 Difference]: Finished difference Result 20383 states and 29017 transitions. [2022-12-14 09:51:38,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 09:51:38,502 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 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 53 [2022-12-14 09:51:38,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:51:38,579 INFO L225 Difference]: With dead ends: 20383 [2022-12-14 09:51:38,579 INFO L226 Difference]: Without dead ends: 20381 [2022-12-14 09:51:38,589 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-14 09:51:38,589 INFO L413 NwaCegarLoop]: 4441 mSDtfsCounter, 4532 mSDsluCounter, 9514 mSDsCounter, 0 mSdLazyCounter, 1943 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4541 SdHoareTripleChecker+Valid, 13955 SdHoareTripleChecker+Invalid, 1948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1943 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.2s IncrementalHoareTripleChecker+Time [2022-12-14 09:51:38,590 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4541 Valid, 13955 Invalid, 1948 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1943 Invalid, 5 Unknown, 0 Unchecked, 19.2s Time] [2022-12-14 09:51:38,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20381 states. [2022-12-14 09:51:39,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20381 to 20375. [2022-12-14 09:51:39,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20375 states, 12055 states have (on average 1.2745748652011613) internal successors, (15365), 12562 states have internal predecessors, (15365), 6477 states have call successors, (6477), 1813 states have call predecessors, (6477), 1811 states have return successors, (7163), 6381 states have call predecessors, (7163), 6475 states have call successors, (7163) [2022-12-14 09:51:39,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20375 states to 20375 states and 29005 transitions. [2022-12-14 09:51:39,371 INFO L78 Accepts]: Start accepts. Automaton has 20375 states and 29005 transitions. Word has length 53 [2022-12-14 09:51:39,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:51:39,371 INFO L495 AbstractCegarLoop]: Abstraction has 20375 states and 29005 transitions. [2022-12-14 09:51:39,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 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 09:51:39,371 INFO L276 IsEmpty]: Start isEmpty. Operand 20375 states and 29005 transitions. [2022-12-14 09:51:39,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-12-14 09:51:39,373 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:51:39,373 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:51:39,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 09:51:39,373 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_drivers_base_class_destroy_classErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-14 09:51:39,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:51:39,374 INFO L85 PathProgramCache]: Analyzing trace with hash -7363642, now seen corresponding path program 1 times [2022-12-14 09:51:39,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:51:39,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935335474] [2022-12-14 09:51:39,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:51:39,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:51:39,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:51:39,869 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-14 09:51:39,869 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:51:39,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935335474] [2022-12-14 09:51:39,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935335474] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:51:39,869 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:51:39,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 09:51:39,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989885527] [2022-12-14 09:51:39,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:51:39,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 09:51:39,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:51:39,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 09:51:39,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 09:51:39,871 INFO L87 Difference]: Start difference. First operand 20375 states and 29005 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 4 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-12-14 09:51:43,246 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 09:51:46,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:51:48,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:51:50,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 09:51:59,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 09:52:02,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:52:02,149 INFO L93 Difference]: Finished difference Result 27577 states and 38854 transitions. [2022-12-14 09:52:02,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 09:52:02,149 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 4 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 56 [2022-12-14 09:52:02,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:52:02,218 INFO L225 Difference]: With dead ends: 27577 [2022-12-14 09:52:02,218 INFO L226 Difference]: Without dead ends: 27267 [2022-12-14 09:52:02,226 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-12-14 09:52:02,227 INFO L413 NwaCegarLoop]: 4871 mSDtfsCounter, 4226 mSDsluCounter, 17148 mSDsCounter, 0 mSdLazyCounter, 2908 mSolverCounterSat, 52 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4234 SdHoareTripleChecker+Valid, 22019 SdHoareTripleChecker+Invalid, 2964 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 2908 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.0s IncrementalHoareTripleChecker+Time [2022-12-14 09:52:02,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4234 Valid, 22019 Invalid, 2964 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [52 Valid, 2908 Invalid, 4 Unknown, 0 Unchecked, 21.0s Time] [2022-12-14 09:52:02,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27267 states. [2022-12-14 09:52:03,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27267 to 19739. [2022-12-14 09:52:03,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19739 states, 11699 states have (on average 1.2743824258483631) internal successors, (14909), 12182 states have internal predecessors, (14909), 6209 states have call successors, (6209), 1801 states have call predecessors, (6209), 1799 states have return successors, (6853), 6109 states have call predecessors, (6853), 6207 states have call successors, (6853) [2022-12-14 09:52:03,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19739 states to 19739 states and 27971 transitions. [2022-12-14 09:52:03,154 INFO L78 Accepts]: Start accepts. Automaton has 19739 states and 27971 transitions. Word has length 56 [2022-12-14 09:52:03,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:52:03,155 INFO L495 AbstractCegarLoop]: Abstraction has 19739 states and 27971 transitions. [2022-12-14 09:52:03,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 4 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-12-14 09:52:03,155 INFO L276 IsEmpty]: Start isEmpty. Operand 19739 states and 27971 transitions. [2022-12-14 09:52:03,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-12-14 09:52:03,155 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:52:03,156 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:52:03,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 09:52:03,156 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-14 09:52:03,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:52:03,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1091912796, now seen corresponding path program 1 times [2022-12-14 09:52:03,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:52:03,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052674847] [2022-12-14 09:52:03,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:52:03,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:52:03,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:52:03,352 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 09:52:03,353 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:52:03,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052674847] [2022-12-14 09:52:03,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052674847] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:52:03,353 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:52:03,353 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 09:52:03,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419287846] [2022-12-14 09:52:03,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:52:03,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 09:52:03,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:52:03,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 09:52:03,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 09:52:03,355 INFO L87 Difference]: Start difference. First operand 19739 states and 27971 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-14 09:52:06,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:52:08,538 WARN L539 Checker$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 09:52:10,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:52:17,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 09:52:19,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:52:19,467 INFO L93 Difference]: Finished difference Result 27277 states and 38519 transitions. [2022-12-14 09:52:19,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 09:52:19,468 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 58 [2022-12-14 09:52:19,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:52:19,543 INFO L225 Difference]: With dead ends: 27277 [2022-12-14 09:52:19,543 INFO L226 Difference]: Without dead ends: 27275 [2022-12-14 09:52:19,551 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 09:52:19,551 INFO L413 NwaCegarLoop]: 4990 mSDtfsCounter, 4495 mSDsluCounter, 7552 mSDsCounter, 0 mSdLazyCounter, 1586 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4506 SdHoareTripleChecker+Valid, 12542 SdHoareTripleChecker+Invalid, 1592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1586 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.9s IncrementalHoareTripleChecker+Time [2022-12-14 09:52:19,552 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4506 Valid, 12542 Invalid, 1592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1586 Invalid, 4 Unknown, 0 Unchecked, 14.9s Time] [2022-12-14 09:52:19,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27275 states. [2022-12-14 09:52:20,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27275 to 27115. [2022-12-14 09:52:20,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27115 states, 15956 states have (on average 1.2677989471045374) internal successors, (20229), 16617 states have internal predecessors, (20229), 8571 states have call successors, (8571), 2560 states have call predecessors, (8571), 2556 states have return successors, (9555), 8431 states have call predecessors, (9555), 8569 states have call successors, (9555) [2022-12-14 09:52:20,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27115 states to 27115 states and 38355 transitions. [2022-12-14 09:52:20,796 INFO L78 Accepts]: Start accepts. Automaton has 27115 states and 38355 transitions. Word has length 58 [2022-12-14 09:52:20,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:52:20,796 INFO L495 AbstractCegarLoop]: Abstraction has 27115 states and 38355 transitions. [2022-12-14 09:52:20,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-14 09:52:20,796 INFO L276 IsEmpty]: Start isEmpty. Operand 27115 states and 38355 transitions. [2022-12-14 09:52:20,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-12-14 09:52:20,797 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:52:20,797 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:52:20,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 09:52:20,797 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_usb_gadget_destroy_classErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-14 09:52:20,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:52:20,797 INFO L85 PathProgramCache]: Analyzing trace with hash 91789720, now seen corresponding path program 1 times [2022-12-14 09:52:20,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:52:20,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387709945] [2022-12-14 09:52:20,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:52:20,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:52:20,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:52:20,991 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-14 09:52:20,991 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:52:20,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387709945] [2022-12-14 09:52:20,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387709945] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:52:20,991 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:52:20,991 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 09:52:20,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554131341] [2022-12-14 09:52:20,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:52:20,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 09:52:20,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:52:20,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 09:52:20,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 09:52:20,993 INFO L87 Difference]: Start difference. First operand 27115 states and 38355 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (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 09:52:23,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:52:25,871 WARN L539 Checker$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 09:52:27,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:52:34,452 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 09:52:35,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:52:35,817 INFO L93 Difference]: Finished difference Result 27145 states and 38390 transitions. [2022-12-14 09:52:35,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 09:52:35,818 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (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 61 [2022-12-14 09:52:35,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:52:35,888 INFO L225 Difference]: With dead ends: 27145 [2022-12-14 09:52:35,888 INFO L226 Difference]: Without dead ends: 27143 [2022-12-14 09:52:35,897 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 09:52:35,897 INFO L413 NwaCegarLoop]: 4314 mSDtfsCounter, 4490 mSDsluCounter, 5023 mSDsCounter, 0 mSdLazyCounter, 1275 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4499 SdHoareTripleChecker+Valid, 9337 SdHoareTripleChecker+Invalid, 1279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1275 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2022-12-14 09:52:35,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4499 Valid, 9337 Invalid, 1279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1275 Invalid, 4 Unknown, 0 Unchecked, 13.7s Time] [2022-12-14 09:52:35,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27143 states. [2022-12-14 09:52:37,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27143 to 27113. [2022-12-14 09:52:37,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27113 states, 15955 states have (on average 1.2670636164211846) internal successors, (20216), 16615 states have internal predecessors, (20216), 8571 states have call successors, (8571), 2560 states have call predecessors, (8571), 2556 states have return successors, (9555), 8431 states have call predecessors, (9555), 8569 states have call successors, (9555) [2022-12-14 09:52:37,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27113 states to 27113 states and 38342 transitions. [2022-12-14 09:52:37,151 INFO L78 Accepts]: Start accepts. Automaton has 27113 states and 38342 transitions. Word has length 61 [2022-12-14 09:52:37,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:52:37,151 INFO L495 AbstractCegarLoop]: Abstraction has 27113 states and 38342 transitions. [2022-12-14 09:52:37,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (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 09:52:37,152 INFO L276 IsEmpty]: Start isEmpty. Operand 27113 states and 38342 transitions. [2022-12-14 09:52:37,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-12-14 09:52:37,153 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:52:37,153 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:52:37,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 09:52:37,153 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-14 09:52:37,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:52:37,153 INFO L85 PathProgramCache]: Analyzing trace with hash 942113720, now seen corresponding path program 1 times [2022-12-14 09:52:37,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:52:37,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12686119] [2022-12-14 09:52:37,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:52:37,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:52:37,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:52:37,412 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 09:52:37,412 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:52:37,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12686119] [2022-12-14 09:52:37,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12686119] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:52:37,412 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:52:37,413 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 09:52:37,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663246145] [2022-12-14 09:52:37,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:52:37,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 09:52:37,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:52:37,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 09:52:37,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 09:52:37,414 INFO L87 Difference]: Start difference. First operand 27113 states and 38342 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-14 09:52:40,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:52:42,502 WARN L539 Checker$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 09:52:44,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:52:51,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 09:52:52,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:52:52,509 INFO L93 Difference]: Finished difference Result 27119 states and 38345 transitions. [2022-12-14 09:52:52,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 09:52:52,510 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 63 [2022-12-14 09:52:52,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:52:52,585 INFO L225 Difference]: With dead ends: 27119 [2022-12-14 09:52:52,585 INFO L226 Difference]: Without dead ends: 27117 [2022-12-14 09:52:52,596 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 09:52:52,597 INFO L413 NwaCegarLoop]: 4310 mSDtfsCounter, 4491 mSDsluCounter, 5020 mSDsCounter, 0 mSdLazyCounter, 1273 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4502 SdHoareTripleChecker+Valid, 9330 SdHoareTripleChecker+Invalid, 1277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1273 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2022-12-14 09:52:52,597 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4502 Valid, 9330 Invalid, 1277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1273 Invalid, 4 Unknown, 0 Unchecked, 13.7s Time] [2022-12-14 09:52:52,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27117 states. [2022-12-14 09:52:54,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27117 to 27111. [2022-12-14 09:52:54,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27111 states, 15954 states have (on average 1.2670176758179768) internal successors, (20214), 16613 states have internal predecessors, (20214), 8571 states have call successors, (8571), 2560 states have call predecessors, (8571), 2556 states have return successors, (9555), 8431 states have call predecessors, (9555), 8569 states have call successors, (9555) [2022-12-14 09:52:54,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27111 states to 27111 states and 38340 transitions. [2022-12-14 09:52:54,496 INFO L78 Accepts]: Start accepts. Automaton has 27111 states and 38340 transitions. Word has length 63 [2022-12-14 09:52:54,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:52:54,497 INFO L495 AbstractCegarLoop]: Abstraction has 27111 states and 38340 transitions. [2022-12-14 09:52:54,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-14 09:52:54,497 INFO L276 IsEmpty]: Start isEmpty. Operand 27111 states and 38340 transitions. [2022-12-14 09:52:54,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-12-14 09:52:54,498 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:52:54,498 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:52:54,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 09:52:54,499 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-14 09:52:54,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:52:54,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1573294783, now seen corresponding path program 1 times [2022-12-14 09:52:54,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:52:54,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386785753] [2022-12-14 09:52:54,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:52:54,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:52:54,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:52:54,771 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 09:52:54,771 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:52:54,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386785753] [2022-12-14 09:52:54,771 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386785753] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:52:54,772 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:52:54,772 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 09:52:54,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223775122] [2022-12-14 09:52:54,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:52:54,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 09:52:54,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:52:54,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 09:52:54,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 09:52:54,773 INFO L87 Difference]: Start difference. First operand 27111 states and 38340 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-12-14 09:52:57,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:52:59,843 WARN L539 Checker$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 09:53:01,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:53:08,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 09:53:09,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:53:09,544 INFO L93 Difference]: Finished difference Result 27117 states and 38343 transitions. [2022-12-14 09:53:09,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 09:53:09,545 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 68 [2022-12-14 09:53:09,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:53:09,628 INFO L225 Difference]: With dead ends: 27117 [2022-12-14 09:53:09,628 INFO L226 Difference]: Without dead ends: 27115 [2022-12-14 09:53:09,641 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 09:53:09,642 INFO L413 NwaCegarLoop]: 4308 mSDtfsCounter, 4488 mSDsluCounter, 5018 mSDsCounter, 0 mSdLazyCounter, 1273 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4499 SdHoareTripleChecker+Valid, 9326 SdHoareTripleChecker+Invalid, 1277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1273 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2022-12-14 09:53:09,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4499 Valid, 9326 Invalid, 1277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1273 Invalid, 4 Unknown, 0 Unchecked, 13.1s Time] [2022-12-14 09:53:09,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27115 states. [2022-12-14 09:53:10,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27115 to 27109. [2022-12-14 09:53:11,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27109 states, 15953 states have (on average 1.266971729455275) internal successors, (20212), 16611 states have internal predecessors, (20212), 8571 states have call successors, (8571), 2560 states have call predecessors, (8571), 2556 states have return successors, (9555), 8431 states have call predecessors, (9555), 8569 states have call successors, (9555) [2022-12-14 09:53:11,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27109 states to 27109 states and 38338 transitions. [2022-12-14 09:53:11,123 INFO L78 Accepts]: Start accepts. Automaton has 27109 states and 38338 transitions. Word has length 68 [2022-12-14 09:53:11,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:53:11,124 INFO L495 AbstractCegarLoop]: Abstraction has 27109 states and 38338 transitions. [2022-12-14 09:53:11,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-12-14 09:53:11,124 INFO L276 IsEmpty]: Start isEmpty. Operand 27109 states and 38338 transitions. [2022-12-14 09:53:11,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-12-14 09:53:11,125 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:53:11,125 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:53:11,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 09:53:11,126 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-14 09:53:11,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:53:11,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1643760886, now seen corresponding path program 1 times [2022-12-14 09:53:11,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:53:11,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288916075] [2022-12-14 09:53:11,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:53:11,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:53:11,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:53:11,303 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 09:53:11,304 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:53:11,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288916075] [2022-12-14 09:53:11,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288916075] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:53:11,304 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:53:11,304 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 09:53:11,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531105427] [2022-12-14 09:53:11,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:53:11,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 09:53:11,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:53:11,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 09:53:11,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 09:53:11,305 INFO L87 Difference]: Start difference. First operand 27109 states and 38338 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 09:53:14,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:53:16,274 WARN L539 Checker$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 09:53:18,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:53:24,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 09:53:26,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:53:26,460 INFO L93 Difference]: Finished difference Result 27115 states and 38341 transitions. [2022-12-14 09:53:26,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 09:53:26,461 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 73 [2022-12-14 09:53:26,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:53:26,543 INFO L225 Difference]: With dead ends: 27115 [2022-12-14 09:53:26,543 INFO L226 Difference]: Without dead ends: 27113 [2022-12-14 09:53:26,556 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 09:53:26,557 INFO L413 NwaCegarLoop]: 4306 mSDtfsCounter, 4489 mSDsluCounter, 5012 mSDsCounter, 0 mSdLazyCounter, 1273 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4500 SdHoareTripleChecker+Valid, 9318 SdHoareTripleChecker+Invalid, 1277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1273 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2022-12-14 09:53:26,557 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4500 Valid, 9318 Invalid, 1277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1273 Invalid, 4 Unknown, 0 Unchecked, 13.8s Time] [2022-12-14 09:53:26,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27113 states. [2022-12-14 09:53:27,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27113 to 27107. [2022-12-14 09:53:27,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27107 states, 15952 states have (on average 1.266925777331996) internal successors, (20210), 16609 states have internal predecessors, (20210), 8571 states have call successors, (8571), 2560 states have call predecessors, (8571), 2556 states have return successors, (9555), 8431 states have call predecessors, (9555), 8569 states have call successors, (9555) [2022-12-14 09:53:28,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27107 states to 27107 states and 38336 transitions. [2022-12-14 09:53:28,028 INFO L78 Accepts]: Start accepts. Automaton has 27107 states and 38336 transitions. Word has length 73 [2022-12-14 09:53:28,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:53:28,028 INFO L495 AbstractCegarLoop]: Abstraction has 27107 states and 38336 transitions. [2022-12-14 09:53:28,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 09:53:28,029 INFO L276 IsEmpty]: Start isEmpty. Operand 27107 states and 38336 transitions. [2022-12-14 09:53:28,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-12-14 09:53:28,030 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:53:28,030 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:53:28,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 09:53:28,030 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-14 09:53:28,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:53:28,030 INFO L85 PathProgramCache]: Analyzing trace with hash 893981837, now seen corresponding path program 1 times [2022-12-14 09:53:28,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:53:28,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178156229] [2022-12-14 09:53:28,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:53:28,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:53:28,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:53:28,231 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 09:53:28,232 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:53:28,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178156229] [2022-12-14 09:53:28,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178156229] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:53:28,232 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:53:28,232 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 09:53:28,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216306025] [2022-12-14 09:53:28,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:53:28,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 09:53:28,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:53:28,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 09:53:28,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 09:53:28,233 INFO L87 Difference]: Start difference. First operand 27107 states and 38336 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 09:53:31,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:53:33,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:53:35,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:53:42,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 09:53:43,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:53:43,650 INFO L93 Difference]: Finished difference Result 27113 states and 38339 transitions. [2022-12-14 09:53:43,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 09:53:43,651 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 75 [2022-12-14 09:53:43,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:53:43,734 INFO L225 Difference]: With dead ends: 27113 [2022-12-14 09:53:43,734 INFO L226 Difference]: Without dead ends: 27111 [2022-12-14 09:53:43,747 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 09:53:43,748 INFO L413 NwaCegarLoop]: 4304 mSDtfsCounter, 4481 mSDsluCounter, 5014 mSDsCounter, 0 mSdLazyCounter, 1273 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4492 SdHoareTripleChecker+Valid, 9318 SdHoareTripleChecker+Invalid, 1277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1273 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2022-12-14 09:53:43,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4492 Valid, 9318 Invalid, 1277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1273 Invalid, 4 Unknown, 0 Unchecked, 14.0s Time] [2022-12-14 09:53:43,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27111 states. [2022-12-14 09:53:45,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27111 to 27105. [2022-12-14 09:53:45,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27105 states, 15951 states have (on average 1.2668798194470565) internal successors, (20208), 16607 states have internal predecessors, (20208), 8571 states have call successors, (8571), 2560 states have call predecessors, (8571), 2556 states have return successors, (9555), 8431 states have call predecessors, (9555), 8569 states have call successors, (9555) [2022-12-14 09:53:45,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27105 states to 27105 states and 38334 transitions. [2022-12-14 09:53:45,321 INFO L78 Accepts]: Start accepts. Automaton has 27105 states and 38334 transitions. Word has length 75 [2022-12-14 09:53:45,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:53:45,322 INFO L495 AbstractCegarLoop]: Abstraction has 27105 states and 38334 transitions. [2022-12-14 09:53:45,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 09:53:45,322 INFO L276 IsEmpty]: Start isEmpty. Operand 27105 states and 38334 transitions. [2022-12-14 09:53:45,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-12-14 09:53:45,323 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:53:45,323 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:53:45,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 09:53:45,324 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_net_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-14 09:53:45,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:53:45,324 INFO L85 PathProgramCache]: Analyzing trace with hash 507646419, now seen corresponding path program 1 times [2022-12-14 09:53:45,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:53:45,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439144110] [2022-12-14 09:53:45,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:53:45,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:53:45,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:53:45,517 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-12-14 09:53:45,517 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:53:45,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439144110] [2022-12-14 09:53:45,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439144110] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:53:45,517 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:53:45,517 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:53:45,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762469969] [2022-12-14 09:53:45,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:53:45,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:53:45,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:53:45,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:53:45,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:53:45,518 INFO L87 Difference]: Start difference. First operand 27105 states and 38334 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-14 09:53:48,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:53:50,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:53:52,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:53:57,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 09:53:58,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:53:58,769 INFO L93 Difference]: Finished difference Result 49025 states and 68875 transitions. [2022-12-14 09:53:58,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:53:58,769 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 94 [2022-12-14 09:53:58,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:53:58,863 INFO L225 Difference]: With dead ends: 49025 [2022-12-14 09:53:58,863 INFO L226 Difference]: Without dead ends: 27085 [2022-12-14 09:53:58,944 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 09:53:58,944 INFO L413 NwaCegarLoop]: 4300 mSDtfsCounter, 4491 mSDsluCounter, 710 mSDsCounter, 0 mSdLazyCounter, 704 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4500 SdHoareTripleChecker+Valid, 5010 SdHoareTripleChecker+Invalid, 709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 704 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2022-12-14 09:53:58,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4500 Valid, 5010 Invalid, 709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 704 Invalid, 4 Unknown, 0 Unchecked, 11.6s Time] [2022-12-14 09:53:58,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27085 states. [2022-12-14 09:54:00,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27085 to 27079. [2022-12-14 09:54:00,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27079 states, 15926 states have (on average 1.2657917870149442) internal successors, (20159), 16581 states have internal predecessors, (20159), 8571 states have call successors, (8571), 2560 states have call predecessors, (8571), 2556 states have return successors, (9555), 8431 states have call predecessors, (9555), 8569 states have call successors, (9555) [2022-12-14 09:54:00,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27079 states to 27079 states and 38285 transitions. [2022-12-14 09:54:00,635 INFO L78 Accepts]: Start accepts. Automaton has 27079 states and 38285 transitions. Word has length 94 [2022-12-14 09:54:00,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:54:00,635 INFO L495 AbstractCegarLoop]: Abstraction has 27079 states and 38285 transitions. [2022-12-14 09:54:00,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-14 09:54:00,635 INFO L276 IsEmpty]: Start isEmpty. Operand 27079 states and 38285 transitions. [2022-12-14 09:54:00,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-12-14 09:54:00,637 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:54:00,637 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:54:00,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 09:54:00,637 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-14 09:54:00,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:54:00,638 INFO L85 PathProgramCache]: Analyzing trace with hash 1289261668, now seen corresponding path program 1 times [2022-12-14 09:54:00,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:54:00,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365411364] [2022-12-14 09:54:00,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:54:00,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:54:00,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:54:00,871 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 09:54:00,871 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:54:00,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365411364] [2022-12-14 09:54:00,871 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365411364] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:54:00,871 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:54:00,872 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 09:54:00,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574704622] [2022-12-14 09:54:00,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:54:00,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 09:54:00,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:54:00,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 09:54:00,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 09:54:00,873 INFO L87 Difference]: Start difference. First operand 27079 states and 38285 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-14 09:54:03,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:54:05,820 WARN L539 Checker$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 09:54:07,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:54:14,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 09:54:15,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:54:15,631 INFO L93 Difference]: Finished difference Result 27085 states and 38288 transitions. [2022-12-14 09:54:15,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 09:54:15,632 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 80 [2022-12-14 09:54:15,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:54:15,702 INFO L225 Difference]: With dead ends: 27085 [2022-12-14 09:54:15,702 INFO L226 Difference]: Without dead ends: 27083 [2022-12-14 09:54:15,712 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 09:54:15,713 INFO L413 NwaCegarLoop]: 4297 mSDtfsCounter, 4475 mSDsluCounter, 5007 mSDsCounter, 0 mSdLazyCounter, 1273 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4486 SdHoareTripleChecker+Valid, 9304 SdHoareTripleChecker+Invalid, 1277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1273 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2022-12-14 09:54:15,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4486 Valid, 9304 Invalid, 1277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1273 Invalid, 4 Unknown, 0 Unchecked, 13.1s Time] [2022-12-14 09:54:15,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27083 states. [2022-12-14 09:54:17,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27083 to 27077. [2022-12-14 09:54:17,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27077 states, 15925 states have (on average 1.26574568288854) internal successors, (20157), 16579 states have internal predecessors, (20157), 8571 states have call successors, (8571), 2560 states have call predecessors, (8571), 2556 states have return successors, (9555), 8431 states have call predecessors, (9555), 8569 states have call successors, (9555) [2022-12-14 09:54:17,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27077 states to 27077 states and 38283 transitions. [2022-12-14 09:54:17,456 INFO L78 Accepts]: Start accepts. Automaton has 27077 states and 38283 transitions. Word has length 80 [2022-12-14 09:54:17,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:54:17,456 INFO L495 AbstractCegarLoop]: Abstraction has 27077 states and 38283 transitions. [2022-12-14 09:54:17,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-14 09:54:17,456 INFO L276 IsEmpty]: Start isEmpty. Operand 27077 states and 38283 transitions. [2022-12-14 09:54:17,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-12-14 09:54:17,458 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:54:17,458 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-12-14 09:54:17,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-14 09:54:17,458 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-14 09:54:17,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:54:17,458 INFO L85 PathProgramCache]: Analyzing trace with hash 1492381012, now seen corresponding path program 1 times [2022-12-14 09:54:17,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:54:17,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735287530] [2022-12-14 09:54:17,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:54:17,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:54:17,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:54:17,796 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2022-12-14 09:54:17,796 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:54:17,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735287530] [2022-12-14 09:54:17,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735287530] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:54:17,796 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:54:17,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 09:54:17,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336080827] [2022-12-14 09:54:17,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:54:17,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 09:54:17,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:54:17,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 09:54:17,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:54:17,798 INFO L87 Difference]: Start difference. First operand 27077 states and 38283 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-14 09:54:21,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:54:23,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:54:25,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:54:28,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 09:54:36,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 09:54:38,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:54:38,748 INFO L93 Difference]: Finished difference Result 37844 states and 53509 transitions. [2022-12-14 09:54:38,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 09:54:38,749 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 103 [2022-12-14 09:54:38,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:54:38,906 INFO L225 Difference]: With dead ends: 37844 [2022-12-14 09:54:38,906 INFO L226 Difference]: Without dead ends: 37842 [2022-12-14 09:54:38,916 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 09:54:38,917 INFO L413 NwaCegarLoop]: 4973 mSDtfsCounter, 4377 mSDsluCounter, 12318 mSDsCounter, 0 mSdLazyCounter, 2285 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4386 SdHoareTripleChecker+Valid, 17291 SdHoareTripleChecker+Invalid, 2292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2285 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.5s IncrementalHoareTripleChecker+Time [2022-12-14 09:54:38,917 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4386 Valid, 17291 Invalid, 2292 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2285 Invalid, 5 Unknown, 0 Unchecked, 18.5s Time] [2022-12-14 09:54:38,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37842 states. [2022-12-14 09:54:41,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37842 to 37584. [2022-12-14 09:54:41,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37584 states, 21978 states have (on average 1.2567112567112566) internal successors, (27620), 22904 states have internal predecessors, (27620), 11681 states have call successors, (11681), 3934 states have call predecessors, (11681), 3900 states have return successors, (13904), 11419 states have call predecessors, (13904), 11679 states have call successors, (13904) [2022-12-14 09:54:41,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37584 states to 37584 states and 53205 transitions. [2022-12-14 09:54:41,409 INFO L78 Accepts]: Start accepts. Automaton has 37584 states and 53205 transitions. Word has length 103 [2022-12-14 09:54:41,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:54:41,409 INFO L495 AbstractCegarLoop]: Abstraction has 37584 states and 53205 transitions. [2022-12-14 09:54:41,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-14 09:54:41,409 INFO L276 IsEmpty]: Start isEmpty. Operand 37584 states and 53205 transitions. [2022-12-14 09:54:41,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-12-14 09:54:41,411 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:54:41,411 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:54:41,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-14 09:54:41,411 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_drivers_base_class_destroy_classErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-14 09:54:41,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:54:41,412 INFO L85 PathProgramCache]: Analyzing trace with hash -1464984981, now seen corresponding path program 1 times [2022-12-14 09:54:41,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:54:41,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4578891] [2022-12-14 09:54:41,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:54:41,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:54:41,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:54:42,128 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-12-14 09:54:42,128 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:54:42,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4578891] [2022-12-14 09:54:42,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4578891] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:54:42,128 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:54:42,129 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-14 09:54:42,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136319035] [2022-12-14 09:54:42,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:54:42,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 09:54:42,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:54:42,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 09:54:42,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-14 09:54:42,130 INFO L87 Difference]: Start difference. First operand 37584 states and 53205 transitions. Second operand has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 4 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 5 states have call predecessors, (13), 4 states have call successors, (13) [2022-12-14 09:54:46,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:54:48,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:54:50,969 WARN L539 Checker$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 09:55:06,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 09:55:10,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:55:10,751 INFO L93 Difference]: Finished difference Result 80580 states and 113618 transitions. [2022-12-14 09:55:10,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 09:55:10,752 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 4 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 5 states have call predecessors, (13), 4 states have call successors, (13) Word has length 78 [2022-12-14 09:55:10,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:55:10,939 INFO L225 Difference]: With dead ends: 80580 [2022-12-14 09:55:10,939 INFO L226 Difference]: Without dead ends: 57956 [2022-12-14 09:55:11,019 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-12-14 09:55:11,019 INFO L413 NwaCegarLoop]: 4887 mSDtfsCounter, 4665 mSDsluCounter, 21854 mSDsCounter, 0 mSdLazyCounter, 3677 mSolverCounterSat, 221 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4683 SdHoareTripleChecker+Valid, 26741 SdHoareTripleChecker+Invalid, 3902 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 221 IncrementalHoareTripleChecker+Valid, 3677 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.3s IncrementalHoareTripleChecker+Time [2022-12-14 09:55:11,020 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4683 Valid, 26741 Invalid, 3902 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [221 Valid, 3677 Invalid, 4 Unknown, 0 Unchecked, 24.3s Time] [2022-12-14 09:55:11,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57956 states. [2022-12-14 09:55:14,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57956 to 57552. [2022-12-14 09:55:14,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57552 states, 33522 states have (on average 1.2521925899409343) internal successors, (41976), 34936 states have internal predecessors, (41976), 17787 states have call successors, (17787), 6270 states have call predecessors, (17787), 6218 states have return successors, (21426), 17367 states have call predecessors, (21426), 17785 states have call successors, (21426) [2022-12-14 09:55:15,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57552 states to 57552 states and 81189 transitions. [2022-12-14 09:55:15,205 INFO L78 Accepts]: Start accepts. Automaton has 57552 states and 81189 transitions. Word has length 78 [2022-12-14 09:55:15,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:55:15,205 INFO L495 AbstractCegarLoop]: Abstraction has 57552 states and 81189 transitions. [2022-12-14 09:55:15,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 4 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 5 states have call predecessors, (13), 4 states have call successors, (13) [2022-12-14 09:55:15,206 INFO L276 IsEmpty]: Start isEmpty. Operand 57552 states and 81189 transitions. [2022-12-14 09:55:15,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-12-14 09:55:15,207 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:55:15,207 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:55:15,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-14 09:55:15,207 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-14 09:55:15,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:55:15,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1306591027, now seen corresponding path program 1 times [2022-12-14 09:55:15,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:55:15,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744963184] [2022-12-14 09:55:15,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:55:15,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:55:15,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:55:15,371 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 09:55:15,372 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:55:15,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744963184] [2022-12-14 09:55:15,372 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744963184] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:55:15,372 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:55:15,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 09:55:15,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819374910] [2022-12-14 09:55:15,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:55:15,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 09:55:15,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:55:15,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 09:55:15,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 09:55:15,373 INFO L87 Difference]: Start difference. First operand 57552 states and 81189 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-14 09:55:18,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:55:20,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:55:22,562 WARN L539 Checker$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 09:55:24,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 09:55:32,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 09:55:34,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:55:34,205 INFO L93 Difference]: Finished difference Result 57558 states and 81192 transitions. [2022-12-14 09:55:34,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 09:55:34,206 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 85 [2022-12-14 09:55:34,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:55:34,385 INFO L225 Difference]: With dead ends: 57558 [2022-12-14 09:55:34,385 INFO L226 Difference]: Without dead ends: 57556 [2022-12-14 09:55:34,409 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 09:55:34,409 INFO L413 NwaCegarLoop]: 4256 mSDtfsCounter, 4472 mSDsluCounter, 4966 mSDsCounter, 0 mSdLazyCounter, 1255 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4483 SdHoareTripleChecker+Valid, 9222 SdHoareTripleChecker+Invalid, 1259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1255 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.1s IncrementalHoareTripleChecker+Time [2022-12-14 09:55:34,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4483 Valid, 9222 Invalid, 1259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1255 Invalid, 4 Unknown, 0 Unchecked, 15.1s Time] [2022-12-14 09:55:34,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57556 states. [2022-12-14 09:55:38,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57556 to 57550. [2022-12-14 09:55:38,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57550 states, 33521 states have (on average 1.25217028131619) internal successors, (41974), 34934 states have internal predecessors, (41974), 17787 states have call successors, (17787), 6270 states have call predecessors, (17787), 6218 states have return successors, (21426), 17367 states have call predecessors, (21426), 17785 states have call successors, (21426) [2022-12-14 09:55:38,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57550 states to 57550 states and 81187 transitions. [2022-12-14 09:55:38,714 INFO L78 Accepts]: Start accepts. Automaton has 57550 states and 81187 transitions. Word has length 85 [2022-12-14 09:55:38,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:55:38,714 INFO L495 AbstractCegarLoop]: Abstraction has 57550 states and 81187 transitions. [2022-12-14 09:55:38,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-14 09:55:38,714 INFO L276 IsEmpty]: Start isEmpty. Operand 57550 states and 81187 transitions. [2022-12-14 09:55:38,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-12-14 09:55:38,716 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:55:38,716 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:55:38,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-14 09:55:38,717 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_usb_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-14 09:55:38,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:55:38,717 INFO L85 PathProgramCache]: Analyzing trace with hash 1830474900, now seen corresponding path program 1 times [2022-12-14 09:55:38,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:55:38,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022957620] [2022-12-14 09:55:38,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:55:38,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:55:38,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:55:38,967 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2022-12-14 09:55:38,968 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:55:38,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022957620] [2022-12-14 09:55:38,968 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022957620] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 09:55:38,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [648815164] [2022-12-14 09:55:38,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:55:38,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:55:38,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:55:38,970 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:55:38,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 09:55:40,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:55:40,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 2039 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 09:55:40,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:55:40,206 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-12-14 09:55:40,206 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 09:55:40,207 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [648815164] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:55:40,207 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 09:55:40,207 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2022-12-14 09:55:40,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743272035] [2022-12-14 09:55:40,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:55:40,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:55:40,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:55:40,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:55:40,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-12-14 09:55:40,208 INFO L87 Difference]: Start difference. First operand 57550 states and 81187 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-14 09:55:42,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:55:45,118 WARN L539 Checker$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 09:55:47,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:55:54,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 09:55:56,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:55:56,528 INFO L93 Difference]: Finished difference Result 109255 states and 153565 transitions. [2022-12-14 09:55:56,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:55:56,529 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 102 [2022-12-14 09:55:56,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:55:56,715 INFO L225 Difference]: With dead ends: 109255 [2022-12-14 09:55:56,715 INFO L226 Difference]: Without dead ends: 57494 [2022-12-14 09:55:56,856 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-12-14 09:55:56,857 INFO L413 NwaCegarLoop]: 4253 mSDtfsCounter, 4473 mSDsluCounter, 710 mSDsCounter, 0 mSdLazyCounter, 696 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4482 SdHoareTripleChecker+Valid, 4963 SdHoareTripleChecker+Invalid, 701 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 696 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2022-12-14 09:55:56,857 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4482 Valid, 4963 Invalid, 701 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 696 Invalid, 4 Unknown, 0 Unchecked, 11.8s Time] [2022-12-14 09:55:56,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57494 states. [2022-12-14 09:56:01,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57494 to 57488. [2022-12-14 09:56:01,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57488 states, 33460 states have (on average 1.250836820083682) internal successors, (41853), 34872 states have internal predecessors, (41853), 17787 states have call successors, (17787), 6270 states have call predecessors, (17787), 6218 states have return successors, (21426), 17367 states have call predecessors, (21426), 17785 states have call successors, (21426) [2022-12-14 09:56:01,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57488 states to 57488 states and 81066 transitions. [2022-12-14 09:56:01,430 INFO L78 Accepts]: Start accepts. Automaton has 57488 states and 81066 transitions. Word has length 102 [2022-12-14 09:56:01,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:56:01,431 INFO L495 AbstractCegarLoop]: Abstraction has 57488 states and 81066 transitions. [2022-12-14 09:56:01,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-14 09:56:01,431 INFO L276 IsEmpty]: Start isEmpty. Operand 57488 states and 81066 transitions. [2022-12-14 09:56:01,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-12-14 09:56:01,433 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:56:01,433 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:56:01,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 09:56:01,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:56:01,635 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-14 09:56:01,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:56:01,636 INFO L85 PathProgramCache]: Analyzing trace with hash -808589957, now seen corresponding path program 1 times [2022-12-14 09:56:01,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:56:01,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141263226] [2022-12-14 09:56:01,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:56:01,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:56:01,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:56:01,837 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 09:56:01,837 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:56:01,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141263226] [2022-12-14 09:56:01,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141263226] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:56:01,838 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:56:01,838 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 09:56:01,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677484001] [2022-12-14 09:56:01,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:56:01,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 09:56:01,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:56:01,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 09:56:01,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 09:56:01,839 INFO L87 Difference]: Start difference. First operand 57488 states and 81066 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-14 09:56:04,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:56:07,088 WARN L539 Checker$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 09:56:09,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:56:18,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 09:56:20,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:56:20,311 INFO L93 Difference]: Finished difference Result 57494 states and 81069 transitions. [2022-12-14 09:56:20,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 09:56:20,312 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 90 [2022-12-14 09:56:20,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:56:20,478 INFO L225 Difference]: With dead ends: 57494 [2022-12-14 09:56:20,478 INFO L226 Difference]: Without dead ends: 57492 [2022-12-14 09:56:20,496 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 09:56:20,496 INFO L413 NwaCegarLoop]: 4250 mSDtfsCounter, 4464 mSDsluCounter, 4960 mSDsCounter, 0 mSdLazyCounter, 1257 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4475 SdHoareTripleChecker+Valid, 9210 SdHoareTripleChecker+Invalid, 1261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1257 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2022-12-14 09:56:20,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4475 Valid, 9210 Invalid, 1261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1257 Invalid, 4 Unknown, 0 Unchecked, 13.9s Time] [2022-12-14 09:56:20,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57492 states. [2022-12-14 09:56:24,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57492 to 57486. [2022-12-14 09:56:24,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57486 states, 33459 states have (on average 1.2508144296004065) internal successors, (41851), 34870 states have internal predecessors, (41851), 17787 states have call successors, (17787), 6270 states have call predecessors, (17787), 6218 states have return successors, (21426), 17367 states have call predecessors, (21426), 17785 states have call successors, (21426) [2022-12-14 09:56:25,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57486 states to 57486 states and 81064 transitions. [2022-12-14 09:56:25,289 INFO L78 Accepts]: Start accepts. Automaton has 57486 states and 81064 transitions. Word has length 90 [2022-12-14 09:56:25,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:56:25,289 INFO L495 AbstractCegarLoop]: Abstraction has 57486 states and 81064 transitions. [2022-12-14 09:56:25,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-14 09:56:25,289 INFO L276 IsEmpty]: Start isEmpty. Operand 57486 states and 81064 transitions. [2022-12-14 09:56:25,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-12-14 09:56:25,291 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:56:25,291 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 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] [2022-12-14 09:56:25,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-14 09:56:25,291 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_drivers_base_class_destroy_classErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-12-14 09:56:25,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:56:25,291 INFO L85 PathProgramCache]: Analyzing trace with hash 670659876, now seen corresponding path program 1 times [2022-12-14 09:56:25,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:56:25,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477250085] [2022-12-14 09:56:25,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:56:25,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:56:25,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:56:26,866 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2022-12-14 09:56:26,866 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:56:26,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477250085] [2022-12-14 09:56:26,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477250085] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 09:56:26,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [746442719] [2022-12-14 09:56:26,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:56:26,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:56:26,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:56:26,868 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:56:26,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89a68f56-7407-4db5-8276-1563a7887a9f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 09:56:27,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:56:27,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 2194 conjuncts, 78 conjunts are in the unsatisfiable core [2022-12-14 09:56:27,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:56:28,285 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 63 proven. 2 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-12-14 09:56:28,285 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:56:29,742 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2022-12-14 09:56:29,742 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [746442719] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:56:29,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [782742558] [2022-12-14 09:56:29,758 INFO L159 IcfgInterpreter]: Started Sifa with 61 locations of interest [2022-12-14 09:56:29,759 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 09:56:29,761 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 09:56:29,765 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 09:56:29,765 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 09:56:32,189 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-12-14 09:56:32,362 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-12-14 09:56:32,577 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-12-14 09:56:32,919 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-12-14 09:56:33,124 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-12-14 09:56:33,312 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-12-14 09:56:33,700 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-12-14 09:56:46,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:56:47,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:56:47,263 INFO L217 Elim1Store]: Index analysis took 564 ms [2022-12-14 09:57:00,295 WARN L233 SmtUtils]: Spent 13.00s on a formula simplification. DAG size of input: 1279 DAG size of output: 639 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 09:57:00,297 INFO L321 Elim1Store]: treesize reduction 3024, result has 25.5 percent of original size [2022-12-14 09:57:00,298 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 83 select indices, 83 select index equivalence classes, 3244 disjoint index pairs (out of 3403 index pairs), introduced 83 new quantified variables, introduced 240 case distinctions, treesize of input 429 treesize of output 1301 [2022-12-14 09:57:01,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:57:01,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:57:01,700 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 80 select indices, 80 select index equivalence classes, 3323 disjoint index pairs (out of 3160 index pairs), introduced 80 new quantified variables, introduced 0 case distinctions, treesize of input 410 treesize of output 651