./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--net--wireless--ath--ar5523--ar5523.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d25a5fddccc283f641b7212d7cb4f798f6892ab426c5d600c12492c2922640af --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 00:13:19,648 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:13:19,652 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:13:19,703 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:13:19,705 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:13:19,710 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:13:19,713 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:13:19,716 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:13:19,719 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:13:19,726 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:13:19,728 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:13:19,730 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:13:19,731 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:13:19,734 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:13:19,737 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:13:19,740 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:13:19,743 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:13:19,745 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:13:19,747 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:13:19,756 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:13:19,758 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:13:19,761 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:13:19,764 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:13:19,765 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:13:19,778 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:13:19,779 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:13:19,780 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:13:19,782 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:13:19,783 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:13:19,785 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:13:19,785 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:13:19,786 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:13:19,790 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:13:19,791 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:13:19,793 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:13:19,794 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:13:19,795 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:13:19,795 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:13:19,796 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:13:19,798 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:13:19,799 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:13:19,800 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-26 00:13:19,854 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:13:19,855 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:13:19,856 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:13:19,856 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:13:19,857 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:13:19,858 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:13:19,858 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:13:19,859 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:13:19,859 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:13:19,860 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:13:19,861 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:13:19,862 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:13:19,862 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:13:19,862 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:13:19,863 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:13:19,863 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:13:19,864 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:13:19,864 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:13:19,865 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:13:19,865 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:13:19,866 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:13:19,866 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:13:19,866 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:13:19,867 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:13:19,867 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:13:19,868 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:13:19,869 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:13:19,869 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:13:19,869 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:13:19,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:13:19,870 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:13:19,871 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:13:19,871 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:13:19,872 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:13:19,872 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:13:19,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:13:19,873 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:13:19,873 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:13:19,873 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_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d25a5fddccc283f641b7212d7cb4f798f6892ab426c5d600c12492c2922640af [2022-11-26 00:13:20,300 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:13:20,351 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:13:20,354 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:13:20,356 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:13:20,356 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:13:20,358 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i [2022-11-26 00:13:23,866 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:13:24,692 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:13:24,692 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i [2022-11-26 00:13:24,791 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/bin/utaipan-ByfvJB40ur/data/cf5aac34d/a5ff1d23236d40a8a042015b358063d0/FLAGf05bd1ae7 [2022-11-26 00:13:24,812 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/bin/utaipan-ByfvJB40ur/data/cf5aac34d/a5ff1d23236d40a8a042015b358063d0 [2022-11-26 00:13:24,815 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:13:24,817 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:13:24,820 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:13:24,820 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:13:24,824 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:13:24,826 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:13:24" (1/1) ... [2022-11-26 00:13:24,827 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f5be71f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:13:24, skipping insertion in model container [2022-11-26 00:13:24,828 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:13:24" (1/1) ... [2022-11-26 00:13:24,837 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:13:25,114 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:13:26,490 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-26 00:13:26,498 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-26 00:13:26,517 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-11-26 00:13:26,720 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-26 00:13:26,827 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-26 00:13:27,149 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-11-26 00:13:27,224 WARN L623 FunctionHandler]: Unknown extern function ieee80211_alloc_hw_nm [2022-11-26 00:13:27,300 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:13:27,308 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:27,311 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:27,314 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-26 00:13:27,323 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:27,325 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:27,328 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:27,331 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:27,334 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:27,335 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-26 00:13:27,337 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:27,340 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:27,342 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:27,344 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-26 00:13:27,346 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:27,362 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-26 00:13:27,373 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:27,381 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:27,383 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-26 00:13:27,383 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-26 00:13:27,396 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:27,398 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:27,399 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:27,423 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:27,432 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:27,440 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:27,447 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:27,454 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:27,456 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:27,457 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:27,458 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:27,459 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:27,460 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:27,461 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:27,462 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:27,463 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:27,465 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:27,466 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:27,467 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:27,469 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:27,470 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:27,479 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:27,481 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:27,482 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:27,483 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:27,485 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:27,487 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:27,488 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:27,489 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:27,491 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:27,494 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:27,496 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:27,498 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:27,500 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:27,503 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:27,505 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:27,506 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:27,523 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:27,540 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:27,555 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:27,608 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:27,617 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:27,625 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:27,626 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:27,627 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:27,643 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:27,644 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:27,646 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:27,648 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:27,651 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:27,654 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:27,656 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:27,657 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:13:27,658 WARN L623 FunctionHandler]: Unknown extern function ieee80211_get_hdrlen_from_skb [2022-11-26 00:13:27,660 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:27,661 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-26 00:13:27,662 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:13:27,664 WARN L623 FunctionHandler]: Unknown extern function ieee80211_rx_irqsafe [2022-11-26 00:13:27,674 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:27,677 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:27,679 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:13:27,680 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:27,688 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-26 00:13:27,695 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:13:27,703 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:27,705 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:13:27,707 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:27,708 WARN L623 FunctionHandler]: Unknown extern function ieee80211_wake_queues [2022-11-26 00:13:27,717 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:27,718 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:13:27,720 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:27,721 WARN L623 FunctionHandler]: Unknown extern function ieee80211_free_txskb [2022-11-26 00:13:27,721 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-26 00:13:27,721 WARN L623 FunctionHandler]: Unknown extern function ieee80211_tx_status_irqsafe [2022-11-26 00:13:27,731 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:27,733 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:27,736 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:27,736 WARN L623 FunctionHandler]: Unknown extern function ieee80211_stop_queues [2022-11-26 00:13:27,737 WARN L623 FunctionHandler]: Unknown extern function ieee80211_queue_work [2022-11-26 00:13:27,750 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_804 [2022-11-26 00:13:27,752 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:27,754 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:13:27,755 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:27,756 WARN L623 FunctionHandler]: Unknown extern function ieee80211_free_txskb [2022-11-26 00:13:27,757 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-26 00:13:27,757 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-26 00:13:27,761 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:27,762 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:27,763 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:13:27,764 WARN L623 FunctionHandler]: Unknown extern function ieee80211_free_txskb [2022-11-26 00:13:27,773 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:27,783 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:27,784 WARN L623 FunctionHandler]: Unknown extern function ieee80211_queue_work [2022-11-26 00:13:27,792 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:27,792 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:27,800 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-26 00:13:27,804 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-11-26 00:13:27,806 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-11-26 00:13:27,806 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-26 00:13:27,808 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:27,822 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:27,841 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:27,843 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:27,844 WARN L623 FunctionHandler]: Unknown extern function ieee80211_queue_delayed_work [2022-11-26 00:13:27,855 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:27,863 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:27,867 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:27,873 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:27,883 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:27,883 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work_sync [2022-11-26 00:13:27,884 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-26 00:13:27,884 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-26 00:13:27,892 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:27,900 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:27,908 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:27,911 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:27,922 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:27,932 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:27,935 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:27,947 WARN L623 FunctionHandler]: Unknown extern function ieee80211_find_sta [2022-11-26 00:13:27,949 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:27,958 WARN L623 FunctionHandler]: Unknown extern function ieee80211_find_sta [2022-11-26 00:13:27,959 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:27,961 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:27,964 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:27,996 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:27,997 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:27,997 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:28,003 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:28,004 WARN L623 FunctionHandler]: Unknown extern function ieee80211_queue_delayed_work [2022-11-26 00:13:28,005 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work [2022-11-26 00:13:28,013 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:28,027 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:28,028 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:28,035 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:28,036 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:28,037 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:28,057 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_1468 [2022-11-26 00:13:28,057 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_1469 [2022-11-26 00:13:28,064 WARN L623 FunctionHandler]: Unknown extern function request_firmware [2022-11-26 00:13:28,065 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:28,067 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-11-26 00:13:28,068 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:28,069 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-11-26 00:13:28,069 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:28,070 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-11-26 00:13:28,070 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:28,071 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:13:28,071 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:13:28,071 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:13:28,072 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-11-26 00:13:28,080 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-26 00:13:28,080 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-26 00:13:28,080 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-26 00:13:28,081 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-26 00:13:28,082 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-26 00:13:28,082 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-26 00:13:28,083 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-26 00:13:28,083 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-26 00:13:28,083 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-26 00:13:28,084 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-26 00:13:28,084 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:13:28,085 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-26 00:13:28,085 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-26 00:13:28,086 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-26 00:13:28,086 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:13:28,087 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-11-26 00:13:28,088 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:28,089 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:28,089 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:28,090 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:28,091 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:28,091 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:28,092 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:28,093 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:28,094 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:28,094 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:28,095 WARN L623 FunctionHandler]: Unknown extern function ieee80211_register_hw [2022-11-26 00:13:28,096 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:28,096 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:28,097 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-11-26 00:13:28,104 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:28,105 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-11-26 00:13:28,387 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-26 00:13:28,388 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-26 00:13:28,395 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_timeout [2022-11-26 00:13:28,396 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-26 00:13:28,397 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-26 00:13:28,398 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-26 00:13:28,399 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-26 00:13:28,400 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-26 00:13:28,401 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-26 00:13:28,402 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-26 00:13:28,402 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-26 00:13:28,406 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-26 00:13:28,406 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-26 00:13:28,408 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-26 00:13:28,420 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-26 00:13:28,422 WARN L623 FunctionHandler]: Unknown extern function ieee80211_free_hw [2022-11-26 00:13:28,423 WARN L623 FunctionHandler]: Unknown extern function ieee80211_unregister_hw [2022-11-26 00:13:28,423 WARN L623 FunctionHandler]: Unknown extern function ieee80211_free_hw [2022-11-26 00:13:28,424 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-11-26 00:13:28,424 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-11-26 00:13:28,425 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-11-26 00:13:28,426 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-11-26 00:13:28,426 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-11-26 00:13:28,426 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-11-26 00:13:28,427 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-26 00:13:29,032 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-26 00:13:29,312 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:13:30,224 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[491154,491167] [2022-11-26 00:13:30,231 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[491299,491312] [2022-11-26 00:13:30,233 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[491445,491458] [2022-11-26 00:13:30,235 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[491610,491623] [2022-11-26 00:13:30,235 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[491768,491781] [2022-11-26 00:13:30,239 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[491926,491939] [2022-11-26 00:13:30,240 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[492084,492097] [2022-11-26 00:13:30,241 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[492244,492257] [2022-11-26 00:13:30,241 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[492403,492416] [2022-11-26 00:13:30,242 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[492542,492555] [2022-11-26 00:13:30,242 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[492684,492697] [2022-11-26 00:13:30,243 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[492833,492846] [2022-11-26 00:13:30,250 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[492972,492985] [2022-11-26 00:13:30,251 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[493127,493140] [2022-11-26 00:13:30,252 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[493287,493300] [2022-11-26 00:13:30,259 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[493438,493451] [2022-11-26 00:13:30,260 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[493589,493602] [2022-11-26 00:13:30,261 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[493741,493754] [2022-11-26 00:13:30,271 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[493890,493903] [2022-11-26 00:13:30,272 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[494038,494051] [2022-11-26 00:13:30,272 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[494195,494208] [2022-11-26 00:13:30,273 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[494344,494357] [2022-11-26 00:13:30,274 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[494500,494513] [2022-11-26 00:13:30,274 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[494653,494666] [2022-11-26 00:13:30,275 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[494799,494812] [2022-11-26 00:13:30,275 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[494942,494955] [2022-11-26 00:13:30,276 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[495094,495107] [2022-11-26 00:13:30,276 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[495240,495253] [2022-11-26 00:13:30,277 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[495385,495398] [2022-11-26 00:13:30,277 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[495539,495552] [2022-11-26 00:13:30,278 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[495690,495703] [2022-11-26 00:13:30,279 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[495845,495858] [2022-11-26 00:13:30,279 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[495997,496010] [2022-11-26 00:13:30,280 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[496152,496165] [2022-11-26 00:13:30,280 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[496316,496329] [2022-11-26 00:13:30,281 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[496472,496485] [2022-11-26 00:13:30,288 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[496636,496649] [2022-11-26 00:13:30,289 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[496778,496791] [2022-11-26 00:13:30,290 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[496936,496949] [2022-11-26 00:13:30,290 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[497103,497116] [2022-11-26 00:13:30,291 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[497262,497275] [2022-11-26 00:13:30,291 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[497421,497434] [2022-11-26 00:13:30,292 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[497570,497583] [2022-11-26 00:13:30,292 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[497717,497730] [2022-11-26 00:13:30,293 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[497856,497869] [2022-11-26 00:13:30,294 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[498019,498032] [2022-11-26 00:13:30,294 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[498185,498198] [2022-11-26 00:13:30,295 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[498349,498362] [2022-11-26 00:13:30,295 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[498514,498527] [2022-11-26 00:13:30,300 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[498679,498692] [2022-11-26 00:13:30,301 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[498845,498858] [2022-11-26 00:13:30,301 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[499010,499023] [2022-11-26 00:13:30,302 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[499177,499190] [2022-11-26 00:13:30,303 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[499337,499350] [2022-11-26 00:13:30,303 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[499499,499512] [2022-11-26 00:13:30,304 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[499658,499671] [2022-11-26 00:13:30,304 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[499804,499817] [2022-11-26 00:13:30,305 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[499947,499960] [2022-11-26 00:13:30,306 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[500091,500104] [2022-11-26 00:13:30,306 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[500234,500247] [2022-11-26 00:13:30,307 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[500378,500391] [2022-11-26 00:13:30,307 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[500519,500532] [2022-11-26 00:13:30,308 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[500657,500670] [2022-11-26 00:13:30,309 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[500815,500828] [2022-11-26 00:13:30,309 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[500974,500987] [2022-11-26 00:13:30,310 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[501130,501143] [2022-11-26 00:13:30,310 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[501279,501292] [2022-11-26 00:13:30,310 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[501431,501444] [2022-11-26 00:13:30,311 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[501582,501595] [2022-11-26 00:13:30,311 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[501731,501744] [2022-11-26 00:13:30,312 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[501883,501896] [2022-11-26 00:13:30,313 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[502031,502044] [2022-11-26 00:13:30,313 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[502184,502197] [2022-11-26 00:13:30,314 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[502335,502348] [2022-11-26 00:13:30,315 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[502485,502498] [2022-11-26 00:13:30,315 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[502632,502645] [2022-11-26 00:13:30,316 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[502783,502796] [2022-11-26 00:13:30,316 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[502934,502947] [2022-11-26 00:13:30,317 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[503082,503095] [2022-11-26 00:13:30,318 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[503248,503261] [2022-11-26 00:13:30,318 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[503417,503430] [2022-11-26 00:13:30,319 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[503584,503597] [2022-11-26 00:13:30,319 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[503752,503765] [2022-11-26 00:13:30,320 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[503902,503915] [2022-11-26 00:13:30,320 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[504049,504062] [2022-11-26 00:13:30,321 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[504210,504223] [2022-11-26 00:13:30,322 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[504380,504393] [2022-11-26 00:13:30,322 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[504542,504555] [2022-11-26 00:13:30,343 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:13:30,408 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:13:30,612 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-26 00:13:30,613 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-26 00:13:30,613 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-11-26 00:13:30,615 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-26 00:13:30,617 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-11-26 00:13:30,628 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-11-26 00:13:30,632 WARN L623 FunctionHandler]: Unknown extern function ieee80211_alloc_hw_nm [2022-11-26 00:13:30,635 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:13:30,637 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:30,638 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:30,639 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-26 00:13:30,641 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:30,641 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:30,643 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:30,645 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:30,646 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:30,648 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-26 00:13:30,649 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:30,650 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:30,651 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:30,651 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-26 00:13:30,652 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:30,654 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-26 00:13:30,655 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:30,664 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:30,665 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-26 00:13:30,665 WARN L623 FunctionHandler]: Unknown extern function complete [2022-11-26 00:13:30,669 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:30,670 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:30,670 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:30,673 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:30,674 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:30,675 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:30,676 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:30,677 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:30,678 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:30,678 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:30,679 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:30,680 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:30,680 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:30,681 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:30,681 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:30,682 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:30,682 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:30,682 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:30,683 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:30,683 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:30,684 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:30,684 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:30,685 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:30,685 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:30,686 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:30,688 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:30,689 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:30,689 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:30,690 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:30,690 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:30,691 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:30,691 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:30,692 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:30,692 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:30,693 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:30,693 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:30,694 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:30,696 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:30,698 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:30,699 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:30,701 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:30,703 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:30,704 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:30,705 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:30,706 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:30,717 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:30,719 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:30,723 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:30,725 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:30,727 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:30,729 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:30,730 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:30,731 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:13:30,731 WARN L623 FunctionHandler]: Unknown extern function ieee80211_get_hdrlen_from_skb [2022-11-26 00:13:30,732 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:30,733 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-26 00:13:30,734 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-26 00:13:30,734 WARN L623 FunctionHandler]: Unknown extern function ieee80211_rx_irqsafe [2022-11-26 00:13:30,737 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:30,738 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:30,739 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-26 00:13:30,740 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:30,742 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-11-26 00:13:30,743 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:13:30,753 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:30,754 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:13:30,755 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:30,755 WARN L623 FunctionHandler]: Unknown extern function ieee80211_wake_queues [2022-11-26 00:13:30,763 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:30,763 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:13:30,764 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:30,765 WARN L623 FunctionHandler]: Unknown extern function ieee80211_free_txskb [2022-11-26 00:13:30,765 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-26 00:13:30,765 WARN L623 FunctionHandler]: Unknown extern function ieee80211_tx_status_irqsafe [2022-11-26 00:13:30,768 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:30,769 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:30,771 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:30,772 WARN L623 FunctionHandler]: Unknown extern function ieee80211_stop_queues [2022-11-26 00:13:30,772 WARN L623 FunctionHandler]: Unknown extern function ieee80211_queue_work [2022-11-26 00:13:30,774 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_804 [2022-11-26 00:13:30,775 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:30,775 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:13:30,777 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:30,777 WARN L623 FunctionHandler]: Unknown extern function ieee80211_free_txskb [2022-11-26 00:13:30,824 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-26 00:13:30,824 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-26 00:13:30,826 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:30,827 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:30,827 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:13:30,828 WARN L623 FunctionHandler]: Unknown extern function ieee80211_free_txskb [2022-11-26 00:13:30,829 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:30,831 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:30,832 WARN L623 FunctionHandler]: Unknown extern function ieee80211_queue_work [2022-11-26 00:13:30,833 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:30,834 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:30,835 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-26 00:13:30,836 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-11-26 00:13:30,837 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-11-26 00:13:30,837 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-26 00:13:30,838 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:30,844 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:30,847 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:30,847 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:30,848 WARN L623 FunctionHandler]: Unknown extern function ieee80211_queue_delayed_work [2022-11-26 00:13:30,849 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:30,851 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:30,852 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:30,854 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:30,855 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:30,856 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work_sync [2022-11-26 00:13:30,856 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-26 00:13:30,857 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-11-26 00:13:30,858 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:30,860 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:30,861 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:30,862 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:30,864 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:30,865 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:30,866 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:30,868 WARN L623 FunctionHandler]: Unknown extern function ieee80211_find_sta [2022-11-26 00:13:30,868 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:30,870 WARN L623 FunctionHandler]: Unknown extern function ieee80211_find_sta [2022-11-26 00:13:30,871 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:30,873 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:30,876 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:30,881 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:30,882 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:30,882 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:30,883 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:30,884 WARN L623 FunctionHandler]: Unknown extern function ieee80211_queue_delayed_work [2022-11-26 00:13:30,884 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work [2022-11-26 00:13:30,887 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:30,890 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:30,891 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:30,892 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:30,893 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:30,894 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:30,896 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_1468 [2022-11-26 00:13:30,897 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_1469 [2022-11-26 00:13:30,898 WARN L623 FunctionHandler]: Unknown extern function request_firmware [2022-11-26 00:13:30,899 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:30,901 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-11-26 00:13:30,902 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:30,902 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-11-26 00:13:30,903 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:30,903 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-11-26 00:13:30,904 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:30,904 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:13:30,905 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:13:30,905 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:13:30,905 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-11-26 00:13:30,908 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-26 00:13:30,908 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-26 00:13:30,909 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-26 00:13:30,909 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-26 00:13:30,910 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-26 00:13:30,910 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-26 00:13:30,910 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-26 00:13:30,911 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-26 00:13:30,913 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-26 00:13:30,914 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-26 00:13:30,914 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:13:30,915 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-26 00:13:30,915 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-26 00:13:30,916 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-26 00:13:30,916 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:13:30,916 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-11-26 00:13:30,917 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:30,918 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:30,919 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:30,919 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:30,920 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:30,920 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:30,921 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:30,921 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:30,922 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:30,922 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:30,924 WARN L623 FunctionHandler]: Unknown extern function ieee80211_register_hw [2022-11-26 00:13:30,925 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-11-26 00:13:30,925 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-11-26 00:13:30,926 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-11-26 00:13:30,929 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-11-26 00:13:30,929 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-11-26 00:13:30,960 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-26 00:13:30,961 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-26 00:13:30,963 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_timeout [2022-11-26 00:13:30,963 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-26 00:13:30,964 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-26 00:13:30,964 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-26 00:13:30,964 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-26 00:13:30,965 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-26 00:13:30,966 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-26 00:13:30,966 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-26 00:13:30,967 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-26 00:13:30,967 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-26 00:13:30,968 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-11-26 00:13:30,969 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-26 00:13:30,971 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-11-26 00:13:30,973 WARN L623 FunctionHandler]: Unknown extern function ieee80211_free_hw [2022-11-26 00:13:30,973 WARN L623 FunctionHandler]: Unknown extern function ieee80211_unregister_hw [2022-11-26 00:13:30,974 WARN L623 FunctionHandler]: Unknown extern function ieee80211_free_hw [2022-11-26 00:13:30,975 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-11-26 00:13:30,976 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-11-26 00:13:30,977 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-11-26 00:13:30,977 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-11-26 00:13:30,978 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-11-26 00:13:30,978 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-11-26 00:13:30,978 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-11-26 00:13:30,997 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-26 00:13:31,011 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-26 00:13:31,047 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[491154,491167] [2022-11-26 00:13:31,048 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[491299,491312] [2022-11-26 00:13:31,049 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[491445,491458] [2022-11-26 00:13:31,049 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[491610,491623] [2022-11-26 00:13:31,050 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[491768,491781] [2022-11-26 00:13:31,050 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[491926,491939] [2022-11-26 00:13:31,051 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[492084,492097] [2022-11-26 00:13:31,051 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[492244,492257] [2022-11-26 00:13:31,052 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[492403,492416] [2022-11-26 00:13:31,052 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[492542,492555] [2022-11-26 00:13:31,053 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[492684,492697] [2022-11-26 00:13:31,054 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[492833,492846] [2022-11-26 00:13:31,055 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[492972,492985] [2022-11-26 00:13:31,055 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[493127,493140] [2022-11-26 00:13:31,056 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[493287,493300] [2022-11-26 00:13:31,056 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[493438,493451] [2022-11-26 00:13:31,057 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[493589,493602] [2022-11-26 00:13:31,057 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[493741,493754] [2022-11-26 00:13:31,058 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[493890,493903] [2022-11-26 00:13:31,058 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[494038,494051] [2022-11-26 00:13:31,059 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[494195,494208] [2022-11-26 00:13:31,059 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[494344,494357] [2022-11-26 00:13:31,060 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[494500,494513] [2022-11-26 00:13:31,061 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[494653,494666] [2022-11-26 00:13:31,061 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[494799,494812] [2022-11-26 00:13:31,062 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[494942,494955] [2022-11-26 00:13:31,062 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[495094,495107] [2022-11-26 00:13:31,063 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[495240,495253] [2022-11-26 00:13:31,063 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[495385,495398] [2022-11-26 00:13:31,064 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[495539,495552] [2022-11-26 00:13:31,064 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[495690,495703] [2022-11-26 00:13:31,065 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[495845,495858] [2022-11-26 00:13:31,065 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[495997,496010] [2022-11-26 00:13:31,066 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[496152,496165] [2022-11-26 00:13:31,066 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[496316,496329] [2022-11-26 00:13:31,066 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[496472,496485] [2022-11-26 00:13:31,067 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[496636,496649] [2022-11-26 00:13:31,067 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[496778,496791] [2022-11-26 00:13:31,068 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[496936,496949] [2022-11-26 00:13:31,069 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[497103,497116] [2022-11-26 00:13:31,071 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[497262,497275] [2022-11-26 00:13:31,071 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[497421,497434] [2022-11-26 00:13:31,072 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[497570,497583] [2022-11-26 00:13:31,072 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[497717,497730] [2022-11-26 00:13:31,073 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[497856,497869] [2022-11-26 00:13:31,074 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[498019,498032] [2022-11-26 00:13:31,075 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[498185,498198] [2022-11-26 00:13:31,076 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[498349,498362] [2022-11-26 00:13:31,076 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[498514,498527] [2022-11-26 00:13:31,077 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[498679,498692] [2022-11-26 00:13:31,077 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[498845,498858] [2022-11-26 00:13:31,078 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[499010,499023] [2022-11-26 00:13:31,078 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[499177,499190] [2022-11-26 00:13:31,079 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[499337,499350] [2022-11-26 00:13:31,079 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[499499,499512] [2022-11-26 00:13:31,080 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[499658,499671] [2022-11-26 00:13:31,080 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[499804,499817] [2022-11-26 00:13:31,081 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[499947,499960] [2022-11-26 00:13:31,081 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[500091,500104] [2022-11-26 00:13:31,088 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[500234,500247] [2022-11-26 00:13:31,088 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[500378,500391] [2022-11-26 00:13:31,089 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[500519,500532] [2022-11-26 00:13:31,089 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[500657,500670] [2022-11-26 00:13:31,090 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[500815,500828] [2022-11-26 00:13:31,090 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[500974,500987] [2022-11-26 00:13:31,091 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[501130,501143] [2022-11-26 00:13:31,092 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[501279,501292] [2022-11-26 00:13:31,092 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[501431,501444] [2022-11-26 00:13:31,093 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[501582,501595] [2022-11-26 00:13:31,093 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[501731,501744] [2022-11-26 00:13:31,094 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[501883,501896] [2022-11-26 00:13:31,094 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[502031,502044] [2022-11-26 00:13:31,095 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[502184,502197] [2022-11-26 00:13:31,096 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[502335,502348] [2022-11-26 00:13:31,096 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[502485,502498] [2022-11-26 00:13:31,099 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[502632,502645] [2022-11-26 00:13:31,100 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_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[502783,502796] [2022-11-26 00:13:31,105 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_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[502934,502947] [2022-11-26 00:13:31,107 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_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[503082,503095] [2022-11-26 00:13:31,109 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_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[503248,503261] [2022-11-26 00:13:31,109 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_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[503417,503430] [2022-11-26 00:13:31,110 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_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[503584,503597] [2022-11-26 00:13:31,110 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_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[503752,503765] [2022-11-26 00:13:31,110 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_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[503902,503915] [2022-11-26 00:13:31,111 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_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[504049,504062] [2022-11-26 00:13:31,111 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_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[504210,504223] [2022-11-26 00:13:31,112 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_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[504380,504393] [2022-11-26 00:13:31,112 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_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[504542,504555] [2022-11-26 00:13:31,118 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:13:31,466 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:13:31,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:13:31 WrapperNode [2022-11-26 00:13:31,466 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:13:31,468 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:13:31,468 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:13:31,468 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:13:31,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:13:31" (1/1) ... [2022-11-26 00:13:31,681 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:13:31" (1/1) ... [2022-11-26 00:13:32,017 INFO L138 Inliner]: procedures = 687, calls = 4509, calls flagged for inlining = 318, calls inlined = 208, statements flattened = 7245 [2022-11-26 00:13:32,018 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:13:32,019 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:13:32,019 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:13:32,019 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:13:32,031 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:13:31" (1/1) ... [2022-11-26 00:13:32,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:13:31" (1/1) ... [2022-11-26 00:13:32,070 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:13:31" (1/1) ... [2022-11-26 00:13:32,071 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:13:31" (1/1) ... [2022-11-26 00:13:32,296 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:13:31" (1/1) ... [2022-11-26 00:13:32,320 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:13:31" (1/1) ... [2022-11-26 00:13:32,349 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:13:31" (1/1) ... [2022-11-26 00:13:32,365 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:13:31" (1/1) ... [2022-11-26 00:13:32,421 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:13:32,422 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:13:32,422 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:13:32,422 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:13:32,423 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:13:31" (1/1) ... [2022-11-26 00:13:32,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:13:32,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:13:32,459 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:13:32,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:13:32,503 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-26 00:13:32,503 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-26 00:13:32,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-26 00:13:32,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-26 00:13:32,504 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_txskb [2022-11-26 00:13:32,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_txskb [2022-11-26 00:13:32,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-26 00:13:32,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-26 00:13:32,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-26 00:13:32,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-26 00:13:32,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_usb_alloc_coherent [2022-11-26 00:13:32,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_usb_alloc_coherent [2022-11-26 00:13:32,505 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_cancel_rx_cmd [2022-11-26 00:13:32,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_cancel_rx_cmd [2022-11-26 00:13:32,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-26 00:13:32,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-26 00:13:32,506 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_get_capability [2022-11-26 00:13:32,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_get_capability [2022-11-26 00:13:32,506 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-26 00:13:32,507 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-26 00:13:32,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-26 00:13:32,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-26 00:13:32,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-26 00:13:32,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-26 00:13:32,507 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_set_rxfilter [2022-11-26 00:13:32,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_set_rxfilter [2022-11-26 00:13:32,508 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_start [2022-11-26 00:13:32,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_start [2022-11-26 00:13:32,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_net_rtnetlink__double_lock [2022-11-26 00:13:32,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_net_rtnetlink__double_lock [2022-11-26 00:13:32,508 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-26 00:13:32,509 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-26 00:13:32,509 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_cmd_write [2022-11-26 00:13:32,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_cmd_write [2022-11-26 00:13:32,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_past_rtnl_lock [2022-11-26 00:13:32,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_past_rtnl_lock [2022-11-26 00:13:32,509 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_get_status [2022-11-26 00:13:32,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_get_status [2022-11-26 00:13:32,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-26 00:13:32,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-26 00:13:32,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-26 00:13:32,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-26 00:13:32,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-26 00:13:32,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-26 00:13:32,511 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-26 00:13:32,511 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-26 00:13:32,511 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_config [2022-11-26 00:13:32,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_config [2022-11-26 00:13:32,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_rx_data_list_lock_of_ar5523 [2022-11-26 00:13:32,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_rx_data_list_lock_of_ar5523 [2022-11-26 00:13:32,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:13:32,512 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-26 00:13:32,512 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-26 00:13:32,512 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-26 00:13:32,512 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-26 00:13:32,512 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-26 00:13:32,512 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-26 00:13:32,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-26 00:13:32,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-26 00:13:32,513 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_delayed_work [2022-11-26 00:13:32,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_delayed_work [2022-11-26 00:13:32,513 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_data_tx_pkt_put [2022-11-26 00:13:32,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_data_tx_pkt_put [2022-11-26 00:13:32,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-26 00:13:32,514 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_create_rateset [2022-11-26 00:13:32,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_create_rateset [2022-11-26 00:13:32,514 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-26 00:13:32,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-26 00:13:32,514 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_set_ledsteady [2022-11-26 00:13:32,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_set_ledsteady [2022-11-26 00:13:32,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-26 00:13:32,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-26 00:13:32,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-26 00:13:32,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-26 00:13:32,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-26 00:13:32,515 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_free_rx_bufs [2022-11-26 00:13:32,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_free_rx_bufs [2022-11-26 00:13:32,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-26 00:13:32,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-26 00:13:32,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:13:32,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-26 00:13:32,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-26 00:13:32,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-26 00:13:32,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-26 00:13:32,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-26 00:13:32,517 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-26 00:13:32,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_mutex_of_ar5523 [2022-11-26 00:13:32,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_mutex_of_ar5523 [2022-11-26 00:13:32,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-26 00:13:32,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-26 00:13:32,518 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-26 00:13:32,518 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-26 00:13:32,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-26 00:13:32,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-26 00:13:32,518 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_disconnect [2022-11-26 00:13:32,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_disconnect [2022-11-26 00:13:32,519 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-26 00:13:32,519 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-26 00:13:32,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-26 00:13:32,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-26 00:13:32,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-26 00:13:32,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-26 00:13:32,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:13:32,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-26 00:13:32,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-26 00:13:32,520 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-26 00:13:32,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-26 00:13:32,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:13:32,521 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-11-26 00:13:32,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-11-26 00:13:32,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-26 00:13:32,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-26 00:13:32,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:13:32,521 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-26 00:13:32,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-26 00:13:32,522 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-26 00:13:32,522 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-26 00:13:32,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_irq_check_alloc_flags [2022-11-26 00:13:32,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_irq_check_alloc_flags [2022-11-26 00:13:32,522 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-26 00:13:32,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-26 00:13:32,523 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2022-11-26 00:13:32,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2022-11-26 00:13:32,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-26 00:13:32,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-26 00:13:32,523 INFO L130 BoogieDeclarations]: Found specification of procedure list_move [2022-11-26 00:13:32,524 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move [2022-11-26 00:13:32,524 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-26 00:13:32,524 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-26 00:13:32,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mutex_of_ar5523 [2022-11-26 00:13:32,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mutex_of_ar5523 [2022-11-26 00:13:32,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:13:32,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:13:32,525 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-26 00:13:32,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-26 00:13:32,525 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_submit_rx_cmd [2022-11-26 00:13:32,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_submit_rx_cmd [2022-11-26 00:13:32,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-26 00:13:32,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-26 00:13:32,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-26 00:13:32,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-26 00:13:32,526 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-11-26 00:13:32,526 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-11-26 00:13:32,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-26 00:13:32,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-26 00:13:32,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_free_hw [2022-11-26 00:13:32,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_free_hw [2022-11-26 00:13:32,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_143 [2022-11-26 00:13:32,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_143 [2022-11-26 00:13:32,527 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-11-26 00:13:32,527 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-11-26 00:13:32,527 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_cmd_read [2022-11-26 00:13:32,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_cmd_read [2022-11-26 00:13:32,528 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-26 00:13:32,528 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-26 00:13:32,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_131 [2022-11-26 00:13:32,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_131 [2022-11-26 00:13:32,528 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-11-26 00:13:32,529 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-11-26 00:13:32,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_tx_data_list_lock_of_ar5523 [2022-11-26 00:13:32,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_tx_data_list_lock_of_ar5523 [2022-11-26 00:13:32,529 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-26 00:13:32,529 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-26 00:13:32,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-26 00:13:32,529 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-26 00:13:32,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-26 00:13:32,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-26 00:13:32,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_free_urb [2022-11-26 00:13:32,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_free_urb [2022-11-26 00:13:32,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-26 00:13:32,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-26 00:13:32,531 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_free_rx_cmd [2022-11-26 00:13:32,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_free_rx_cmd [2022-11-26 00:13:32,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:13:32,531 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-26 00:13:32,531 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-26 00:13:32,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-26 00:13:32,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-26 00:13:32,532 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_switch_chan [2022-11-26 00:13:32,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_switch_chan [2022-11-26 00:13:32,532 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_find_sta [2022-11-26 00:13:32,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_find_sta [2022-11-26 00:13:32,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:13:32,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_usb_free_coherent [2022-11-26 00:13:32,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_usb_free_coherent [2022-11-26 00:13:32,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-26 00:13:32,533 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_tx_work_locked [2022-11-26 00:13:32,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_tx_work_locked [2022-11-26 00:13:32,533 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-26 00:13:32,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-26 00:13:32,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-26 00:13:32,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-26 00:13:32,534 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-11-26 00:13:32,534 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-11-26 00:13:32,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-26 00:13:32,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-26 00:13:32,534 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-26 00:13:32,535 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-26 00:13:32,535 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-26 00:13:32,535 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-26 00:13:32,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2022-11-26 00:13:32,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2022-11-26 00:13:32,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_alloc_urb [2022-11-26 00:13:32,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_alloc_urb [2022-11-26 00:13:32,536 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2022-11-26 00:13:32,536 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2022-11-26 00:13:32,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-26 00:13:32,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-26 00:13:32,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-26 00:13:32,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-26 00:13:32,537 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_stop [2022-11-26 00:13:32,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_stop [2022-11-26 00:13:32,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-26 00:13:32,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-26 00:13:32,537 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-26 00:13:32,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-26 00:13:32,538 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_flush_tx [2022-11-26 00:13:32,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_flush_tx [2022-11-26 00:13:32,538 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-26 00:13:32,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-26 00:13:32,538 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_cancel_rx_bufs [2022-11-26 00:13:32,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_cancel_rx_bufs [2022-11-26 00:13:32,539 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-26 00:13:32,539 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-26 00:13:32,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-26 00:13:32,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-26 00:13:32,539 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-26 00:13:32,539 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-26 00:13:32,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-26 00:13:32,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-26 00:13:32,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:13:32,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-26 00:13:32,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-26 00:13:32,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-26 00:13:32,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-26 00:13:32,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-26 00:13:32,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-26 00:13:32,541 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-26 00:13:32,541 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-26 00:13:32,541 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-11-26 00:13:32,541 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-11-26 00:13:32,542 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-26 00:13:32,542 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-26 00:13:32,542 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_free_tx_cmd [2022-11-26 00:13:32,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_free_tx_cmd [2022-11-26 00:13:32,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-26 00:13:32,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-26 00:13:32,542 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2022-11-26 00:13:32,543 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2022-11-26 00:13:32,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-26 00:13:32,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-26 00:13:32,543 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-26 00:13:32,543 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-26 00:13:32,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_past_rtnl_unlock [2022-11-26 00:13:32,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_past_rtnl_unlock [2022-11-26 00:13:32,544 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-11-26 00:13:32,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:13:32,544 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_cmd [2022-11-26 00:13:32,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_cmd [2022-11-26 00:13:32,544 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-11-26 00:13:32,544 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-11-26 00:13:32,544 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-11-26 00:13:32,545 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-11-26 00:13:33,595 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:13:33,598 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:13:33,944 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-26 00:13:43,664 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:13:45,095 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:13:45,097 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-26 00:13:45,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:13:45 BoogieIcfgContainer [2022-11-26 00:13:45,105 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:13:45,108 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:13:45,109 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:13:45,113 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:13:45,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:13:24" (1/3) ... [2022-11-26 00:13:45,114 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a355b28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:13:45, skipping insertion in model container [2022-11-26 00:13:45,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:13:31" (2/3) ... [2022-11-26 00:13:45,116 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a355b28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:13:45, skipping insertion in model container [2022-11-26 00:13:45,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:13:45" (3/3) ... [2022-11-26 00:13:45,118 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i [2022-11-26 00:13:45,144 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:13:45,144 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2022-11-26 00:13:45,255 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:13:45,263 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;@6d76b78b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:13:45,263 INFO L358 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2022-11-26 00:13:45,275 INFO L276 IsEmpty]: Start isEmpty. Operand has 1499 states, 822 states have (on average 1.2652068126520681) internal successors, (1040), 877 states have internal predecessors, (1040), 520 states have call successors, (520), 123 states have call predecessors, (520), 122 states have return successors, (516), 514 states have call predecessors, (516), 516 states have call successors, (516) [2022-11-26 00:13:45,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-26 00:13:45,287 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:13:45,288 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-26 00:13:45,289 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:13:45,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:13:45,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1887299597, now seen corresponding path program 1 times [2022-11-26 00:13:45,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:13:45,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611735450] [2022-11-26 00:13:45,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:13:45,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:13:46,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:13:48,553 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-26 00:13:48,553 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:13:48,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611735450] [2022-11-26 00:13:48,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611735450] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:13:48,555 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:13:48,555 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:13:48,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544784287] [2022-11-26 00:13:48,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:13:48,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:13:48,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:13:48,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:13:48,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:13:48,627 INFO L87 Difference]: Start difference. First operand has 1499 states, 822 states have (on average 1.2652068126520681) internal successors, (1040), 877 states have internal predecessors, (1040), 520 states have call successors, (520), 123 states have call predecessors, (520), 122 states have return successors, (516), 514 states have call predecessors, (516), 516 states have call successors, (516) 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, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-26 00:13:51,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:13:51,818 INFO L93 Difference]: Finished difference Result 2938 states and 4266 transitions. [2022-11-26 00:13:51,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:13:51,821 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, (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 51 [2022-11-26 00:13:51,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:13:51,846 INFO L225 Difference]: With dead ends: 2938 [2022-11-26 00:13:51,847 INFO L226 Difference]: Without dead ends: 1485 [2022-11-26 00:13:51,864 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:13:51,867 INFO L413 NwaCegarLoop]: 1778 mSDtfsCounter, 2017 mSDsluCounter, 1778 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2019 SdHoareTripleChecker+Valid, 3556 SdHoareTripleChecker+Invalid, 519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:13:51,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2019 Valid, 3556 Invalid, 519 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 519 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-11-26 00:13:51,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1485 states. [2022-11-26 00:13:52,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1485 to 1485. [2022-11-26 00:13:52,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1485 states, 815 states have (on average 1.2196319018404909) internal successors, (994), 866 states have internal predecessors, (994), 516 states have call successors, (516), 122 states have call predecessors, (516), 121 states have return successors, (514), 512 states have call predecessors, (514), 514 states have call successors, (514) [2022-11-26 00:13:52,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1485 states to 1485 states and 2024 transitions. [2022-11-26 00:13:52,122 INFO L78 Accepts]: Start accepts. Automaton has 1485 states and 2024 transitions. Word has length 51 [2022-11-26 00:13:52,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:13:52,124 INFO L495 AbstractCegarLoop]: Abstraction has 1485 states and 2024 transitions. [2022-11-26 00:13:52,124 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, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-26 00:13:52,124 INFO L276 IsEmpty]: Start isEmpty. Operand 1485 states and 2024 transitions. [2022-11-26 00:13:52,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-26 00:13:52,127 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:13:52,128 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1] [2022-11-26 00:13:52,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:13:52,128 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:13:52,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:13:52,129 INFO L85 PathProgramCache]: Analyzing trace with hash -204998190, now seen corresponding path program 1 times [2022-11-26 00:13:52,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:13:52,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780149264] [2022-11-26 00:13:52,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:13:52,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:13:52,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:13:54,146 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-26 00:13:54,146 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:13:54,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780149264] [2022-11-26 00:13:54,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780149264] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:13:54,147 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:13:54,147 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:13:54,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856493322] [2022-11-26 00:13:54,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:13:54,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:13:54,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:13:54,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:13:54,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:13:54,152 INFO L87 Difference]: Start difference. First operand 1485 states and 2024 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, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-26 00:13:57,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:13:57,247 INFO L93 Difference]: Finished difference Result 1485 states and 2024 transitions. [2022-11-26 00:13:57,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:13:57,247 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, (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 56 [2022-11-26 00:13:57,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:13:57,259 INFO L225 Difference]: With dead ends: 1485 [2022-11-26 00:13:57,259 INFO L226 Difference]: Without dead ends: 1483 [2022-11-26 00:13:57,260 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:13:57,261 INFO L413 NwaCegarLoop]: 1762 mSDtfsCounter, 1999 mSDsluCounter, 1762 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2001 SdHoareTripleChecker+Valid, 3524 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:13:57,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2001 Valid, 3524 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-11-26 00:13:57,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1483 states. [2022-11-26 00:13:57,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1483 to 1483. [2022-11-26 00:13:57,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1483 states, 814 states have (on average 1.2186732186732188) internal successors, (992), 864 states have internal predecessors, (992), 516 states have call successors, (516), 122 states have call predecessors, (516), 121 states have return successors, (514), 512 states have call predecessors, (514), 514 states have call successors, (514) [2022-11-26 00:13:57,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1483 states to 1483 states and 2022 transitions. [2022-11-26 00:13:57,388 INFO L78 Accepts]: Start accepts. Automaton has 1483 states and 2022 transitions. Word has length 56 [2022-11-26 00:13:57,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:13:57,389 INFO L495 AbstractCegarLoop]: Abstraction has 1483 states and 2022 transitions. [2022-11-26 00:13:57,390 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, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-26 00:13:57,390 INFO L276 IsEmpty]: Start isEmpty. Operand 1483 states and 2022 transitions. [2022-11-26 00:13:57,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-26 00:13:57,393 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:13:57,393 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:13:57,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 00:13:57,394 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:13:57,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:13:57,394 INFO L85 PathProgramCache]: Analyzing trace with hash -1737838048, now seen corresponding path program 1 times [2022-11-26 00:13:57,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:13:57,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845245932] [2022-11-26 00:13:57,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:13:57,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:13:57,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:13:59,070 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-26 00:13:59,070 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:13:59,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845245932] [2022-11-26 00:13:59,071 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845245932] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:13:59,071 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:13:59,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:13:59,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185819749] [2022-11-26 00:13:59,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:13:59,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:13:59,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:13:59,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:13:59,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:13:59,075 INFO L87 Difference]: Start difference. First operand 1483 states and 2022 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, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-26 00:14:01,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:14:01,398 INFO L93 Difference]: Finished difference Result 1483 states and 2022 transitions. [2022-11-26 00:14:01,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:14:01,398 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, (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 [2022-11-26 00:14:01,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:14:01,409 INFO L225 Difference]: With dead ends: 1483 [2022-11-26 00:14:01,410 INFO L226 Difference]: Without dead ends: 1481 [2022-11-26 00:14:01,411 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:14:01,412 INFO L413 NwaCegarLoop]: 1760 mSDtfsCounter, 1996 mSDsluCounter, 1760 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1998 SdHoareTripleChecker+Valid, 3520 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:14:01,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1998 Valid, 3520 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-26 00:14:01,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1481 states. [2022-11-26 00:14:01,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1481 to 1481. [2022-11-26 00:14:01,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1481 states, 813 states have (on average 1.2177121771217712) internal successors, (990), 862 states have internal predecessors, (990), 516 states have call successors, (516), 122 states have call predecessors, (516), 121 states have return successors, (514), 512 states have call predecessors, (514), 514 states have call successors, (514) [2022-11-26 00:14:01,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1481 states to 1481 states and 2020 transitions. [2022-11-26 00:14:01,558 INFO L78 Accepts]: Start accepts. Automaton has 1481 states and 2020 transitions. Word has length 61 [2022-11-26 00:14:01,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:14:01,559 INFO L495 AbstractCegarLoop]: Abstraction has 1481 states and 2020 transitions. [2022-11-26 00:14:01,559 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, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-26 00:14:01,559 INFO L276 IsEmpty]: Start isEmpty. Operand 1481 states and 2020 transitions. [2022-11-26 00:14:01,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-26 00:14:01,562 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:14:01,562 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:14:01,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-26 00:14:01,563 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:14:01,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:14:01,563 INFO L85 PathProgramCache]: Analyzing trace with hash -1203454266, now seen corresponding path program 1 times [2022-11-26 00:14:01,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:14:01,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464950555] [2022-11-26 00:14:01,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:14:01,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:14:01,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:14:03,288 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-26 00:14:03,289 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:14:03,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464950555] [2022-11-26 00:14:03,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464950555] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:14:03,290 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:14:03,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:14:03,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873839352] [2022-11-26 00:14:03,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:14:03,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:14:03,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:14:03,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:14:03,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:14:03,292 INFO L87 Difference]: Start difference. First operand 1481 states and 2020 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, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-26 00:14:05,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:14:05,711 INFO L93 Difference]: Finished difference Result 1481 states and 2020 transitions. [2022-11-26 00:14:05,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:14:05,712 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, (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 66 [2022-11-26 00:14:05,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:14:05,723 INFO L225 Difference]: With dead ends: 1481 [2022-11-26 00:14:05,723 INFO L226 Difference]: Without dead ends: 1479 [2022-11-26 00:14:05,725 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:14:05,726 INFO L413 NwaCegarLoop]: 1758 mSDtfsCounter, 1993 mSDsluCounter, 1758 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1995 SdHoareTripleChecker+Valid, 3516 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:14:05,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1995 Valid, 3516 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-26 00:14:05,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1479 states. [2022-11-26 00:14:05,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1479 to 1479. [2022-11-26 00:14:05,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1479 states, 812 states have (on average 1.2167487684729064) internal successors, (988), 860 states have internal predecessors, (988), 516 states have call successors, (516), 122 states have call predecessors, (516), 121 states have return successors, (514), 512 states have call predecessors, (514), 514 states have call successors, (514) [2022-11-26 00:14:05,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1479 states to 1479 states and 2018 transitions. [2022-11-26 00:14:05,841 INFO L78 Accepts]: Start accepts. Automaton has 1479 states and 2018 transitions. Word has length 66 [2022-11-26 00:14:05,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:14:05,842 INFO L495 AbstractCegarLoop]: Abstraction has 1479 states and 2018 transitions. [2022-11-26 00:14:05,843 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, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-26 00:14:05,843 INFO L276 IsEmpty]: Start isEmpty. Operand 1479 states and 2018 transitions. [2022-11-26 00:14:05,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-26 00:14:05,844 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:14:05,845 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:14:05,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-26 00:14:05,845 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:14:05,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:14:05,846 INFO L85 PathProgramCache]: Analyzing trace with hash -840141095, now seen corresponding path program 1 times [2022-11-26 00:14:05,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:14:05,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210856531] [2022-11-26 00:14:05,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:14:05,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:14:06,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:14:07,180 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-26 00:14:07,180 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:14:07,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210856531] [2022-11-26 00:14:07,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210856531] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:14:07,181 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:14:07,181 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:14:07,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797544938] [2022-11-26 00:14:07,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:14:07,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:14:07,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:14:07,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:14:07,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:14:07,184 INFO L87 Difference]: Start difference. First operand 1479 states and 2018 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, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-26 00:14:09,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:14:09,656 INFO L93 Difference]: Finished difference Result 1479 states and 2018 transitions. [2022-11-26 00:14:09,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:14:09,657 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, (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 71 [2022-11-26 00:14:09,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:14:09,667 INFO L225 Difference]: With dead ends: 1479 [2022-11-26 00:14:09,667 INFO L226 Difference]: Without dead ends: 1477 [2022-11-26 00:14:09,668 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:14:09,669 INFO L413 NwaCegarLoop]: 1756 mSDtfsCounter, 1990 mSDsluCounter, 1756 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1992 SdHoareTripleChecker+Valid, 3512 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:14:09,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1992 Valid, 3512 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-26 00:14:09,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1477 states. [2022-11-26 00:14:09,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1477 to 1477. [2022-11-26 00:14:09,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1477 states, 811 states have (on average 1.2157829839704068) internal successors, (986), 858 states have internal predecessors, (986), 516 states have call successors, (516), 122 states have call predecessors, (516), 121 states have return successors, (514), 512 states have call predecessors, (514), 514 states have call successors, (514) [2022-11-26 00:14:09,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1477 states to 1477 states and 2016 transitions. [2022-11-26 00:14:09,832 INFO L78 Accepts]: Start accepts. Automaton has 1477 states and 2016 transitions. Word has length 71 [2022-11-26 00:14:09,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:14:09,833 INFO L495 AbstractCegarLoop]: Abstraction has 1477 states and 2016 transitions. [2022-11-26 00:14:09,833 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, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-26 00:14:09,833 INFO L276 IsEmpty]: Start isEmpty. Operand 1477 states and 2016 transitions. [2022-11-26 00:14:09,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-26 00:14:09,836 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:14:09,836 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:14:09,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-26 00:14:09,836 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:14:09,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:14:09,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1811482061, now seen corresponding path program 1 times [2022-11-26 00:14:09,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:14:09,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423479931] [2022-11-26 00:14:09,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:14:09,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:14:10,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:14:11,016 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-26 00:14:11,016 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:14:11,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423479931] [2022-11-26 00:14:11,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423479931] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:14:11,017 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:14:11,017 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:14:11,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458504511] [2022-11-26 00:14:11,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:14:11,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:14:11,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:14:11,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:14:11,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:14:11,019 INFO L87 Difference]: Start difference. First operand 1477 states and 2016 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, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-26 00:14:13,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:14:13,608 INFO L93 Difference]: Finished difference Result 1477 states and 2016 transitions. [2022-11-26 00:14:13,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:14:13,608 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, (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 76 [2022-11-26 00:14:13,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:14:13,619 INFO L225 Difference]: With dead ends: 1477 [2022-11-26 00:14:13,619 INFO L226 Difference]: Without dead ends: 1475 [2022-11-26 00:14:13,621 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:14:13,622 INFO L413 NwaCegarLoop]: 1754 mSDtfsCounter, 1987 mSDsluCounter, 1754 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1989 SdHoareTripleChecker+Valid, 3508 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:14:13,622 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1989 Valid, 3508 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-26 00:14:13,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1475 states. [2022-11-26 00:14:13,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1475 to 1475. [2022-11-26 00:14:13,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1475 states, 810 states have (on average 1.2148148148148148) internal successors, (984), 856 states have internal predecessors, (984), 516 states have call successors, (516), 122 states have call predecessors, (516), 121 states have return successors, (514), 512 states have call predecessors, (514), 514 states have call successors, (514) [2022-11-26 00:14:13,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 1475 states and 2014 transitions. [2022-11-26 00:14:13,744 INFO L78 Accepts]: Start accepts. Automaton has 1475 states and 2014 transitions. Word has length 76 [2022-11-26 00:14:13,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:14:13,745 INFO L495 AbstractCegarLoop]: Abstraction has 1475 states and 2014 transitions. [2022-11-26 00:14:13,745 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, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-26 00:14:13,745 INFO L276 IsEmpty]: Start isEmpty. Operand 1475 states and 2014 transitions. [2022-11-26 00:14:13,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-26 00:14:13,747 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:14:13,748 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:14:13,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-26 00:14:13,748 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:14:13,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:14:13,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1566338412, now seen corresponding path program 1 times [2022-11-26 00:14:13,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:14:13,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714430456] [2022-11-26 00:14:13,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:14:13,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:14:14,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:14:14,977 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-26 00:14:14,978 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:14:14,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714430456] [2022-11-26 00:14:14,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714430456] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:14:14,978 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:14:14,979 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:14:14,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156892368] [2022-11-26 00:14:14,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:14:14,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:14:14,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:14:14,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:14:14,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:14:14,981 INFO L87 Difference]: Start difference. First operand 1475 states and 2014 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, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-26 00:14:17,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:14:17,425 INFO L93 Difference]: Finished difference Result 1475 states and 2014 transitions. [2022-11-26 00:14:17,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:14:17,426 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, (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 81 [2022-11-26 00:14:17,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:14:17,435 INFO L225 Difference]: With dead ends: 1475 [2022-11-26 00:14:17,435 INFO L226 Difference]: Without dead ends: 1473 [2022-11-26 00:14:17,437 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:14:17,437 INFO L413 NwaCegarLoop]: 1752 mSDtfsCounter, 1984 mSDsluCounter, 1752 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1986 SdHoareTripleChecker+Valid, 3504 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:14:17,438 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1986 Valid, 3504 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-26 00:14:17,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1473 states. [2022-11-26 00:14:17,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1473 to 1473. [2022-11-26 00:14:17,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1473 states, 809 states have (on average 1.2138442521631645) internal successors, (982), 854 states have internal predecessors, (982), 516 states have call successors, (516), 122 states have call predecessors, (516), 121 states have return successors, (514), 512 states have call predecessors, (514), 514 states have call successors, (514) [2022-11-26 00:14:17,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1473 states to 1473 states and 2012 transitions. [2022-11-26 00:14:17,571 INFO L78 Accepts]: Start accepts. Automaton has 1473 states and 2012 transitions. Word has length 81 [2022-11-26 00:14:17,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:14:17,571 INFO L495 AbstractCegarLoop]: Abstraction has 1473 states and 2012 transitions. [2022-11-26 00:14:17,572 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, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-26 00:14:17,572 INFO L276 IsEmpty]: Start isEmpty. Operand 1473 states and 2012 transitions. [2022-11-26 00:14:17,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-26 00:14:17,573 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:14:17,574 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:14:17,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-26 00:14:17,574 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:14:17,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:14:17,575 INFO L85 PathProgramCache]: Analyzing trace with hash 680030656, now seen corresponding path program 1 times [2022-11-26 00:14:17,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:14:17,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195174857] [2022-11-26 00:14:17,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:14:17,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:14:17,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:14:18,822 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-26 00:14:18,822 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:14:18,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195174857] [2022-11-26 00:14:18,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195174857] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:14:18,823 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:14:18,823 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:14:18,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611764964] [2022-11-26 00:14:18,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:14:18,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:14:18,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:14:18,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:14:18,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:14:18,826 INFO L87 Difference]: Start difference. First operand 1473 states and 2012 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-26 00:14:21,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:14:21,214 INFO L93 Difference]: Finished difference Result 1473 states and 2012 transitions. [2022-11-26 00:14:21,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:14:21,215 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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 86 [2022-11-26 00:14:21,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:14:21,223 INFO L225 Difference]: With dead ends: 1473 [2022-11-26 00:14:21,224 INFO L226 Difference]: Without dead ends: 1471 [2022-11-26 00:14:21,225 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:14:21,226 INFO L413 NwaCegarLoop]: 1750 mSDtfsCounter, 1985 mSDsluCounter, 1746 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1987 SdHoareTripleChecker+Valid, 3496 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:14:21,226 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1987 Valid, 3496 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-26 00:14:21,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1471 states. [2022-11-26 00:14:21,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1471 to 1471. [2022-11-26 00:14:21,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1471 states, 808 states have (on average 1.2128712871287128) internal successors, (980), 852 states have internal predecessors, (980), 516 states have call successors, (516), 122 states have call predecessors, (516), 121 states have return successors, (514), 512 states have call predecessors, (514), 514 states have call successors, (514) [2022-11-26 00:14:21,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1471 states to 1471 states and 2010 transitions. [2022-11-26 00:14:21,352 INFO L78 Accepts]: Start accepts. Automaton has 1471 states and 2010 transitions. Word has length 86 [2022-11-26 00:14:21,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:14:21,353 INFO L495 AbstractCegarLoop]: Abstraction has 1471 states and 2010 transitions. [2022-11-26 00:14:21,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-26 00:14:21,353 INFO L276 IsEmpty]: Start isEmpty. Operand 1471 states and 2010 transitions. [2022-11-26 00:14:21,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-26 00:14:21,354 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:14:21,355 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:14:21,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-26 00:14:21,355 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:14:21,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:14:21,356 INFO L85 PathProgramCache]: Analyzing trace with hash 674570115, now seen corresponding path program 1 times [2022-11-26 00:14:21,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:14:21,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048026848] [2022-11-26 00:14:21,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:14:21,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:14:21,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:14:22,463 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-26 00:14:22,464 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:14:22,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048026848] [2022-11-26 00:14:22,464 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048026848] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:14:22,464 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:14:22,464 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:14:22,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043482189] [2022-11-26 00:14:22,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:14:22,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:14:22,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:14:22,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:14:22,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:14:22,468 INFO L87 Difference]: Start difference. First operand 1471 states and 2010 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, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-26 00:14:24,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:14:24,890 INFO L93 Difference]: Finished difference Result 1471 states and 2010 transitions. [2022-11-26 00:14:24,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:14:24,891 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, (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 88 [2022-11-26 00:14:24,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:14:24,899 INFO L225 Difference]: With dead ends: 1471 [2022-11-26 00:14:24,900 INFO L226 Difference]: Without dead ends: 1469 [2022-11-26 00:14:24,901 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:14:24,902 INFO L413 NwaCegarLoop]: 1748 mSDtfsCounter, 1977 mSDsluCounter, 1748 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1979 SdHoareTripleChecker+Valid, 3496 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:14:24,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1979 Valid, 3496 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-26 00:14:24,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1469 states. [2022-11-26 00:14:25,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1469 to 1469. [2022-11-26 00:14:25,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1469 states, 807 states have (on average 1.211895910780669) internal successors, (978), 850 states have internal predecessors, (978), 516 states have call successors, (516), 122 states have call predecessors, (516), 121 states have return successors, (514), 512 states have call predecessors, (514), 514 states have call successors, (514) [2022-11-26 00:14:25,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 1469 states and 2008 transitions. [2022-11-26 00:14:25,042 INFO L78 Accepts]: Start accepts. Automaton has 1469 states and 2008 transitions. Word has length 88 [2022-11-26 00:14:25,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:14:25,043 INFO L495 AbstractCegarLoop]: Abstraction has 1469 states and 2008 transitions. [2022-11-26 00:14:25,043 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, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-26 00:14:25,043 INFO L276 IsEmpty]: Start isEmpty. Operand 1469 states and 2008 transitions. [2022-11-26 00:14:25,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-26 00:14:25,045 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:14:25,045 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:14:25,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-26 00:14:25,046 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:14:25,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:14:25,046 INFO L85 PathProgramCache]: Analyzing trace with hash 1200035564, now seen corresponding path program 1 times [2022-11-26 00:14:25,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:14:25,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128306176] [2022-11-26 00:14:25,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:14:25,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:14:25,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:14:26,127 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-26 00:14:26,127 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:14:26,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128306176] [2022-11-26 00:14:26,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128306176] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:14:26,128 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:14:26,128 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:14:26,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082451113] [2022-11-26 00:14:26,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:14:26,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:14:26,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:14:26,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:14:26,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:14:26,132 INFO L87 Difference]: Start difference. First operand 1469 states and 2008 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, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-26 00:14:28,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:14:28,233 INFO L93 Difference]: Finished difference Result 1469 states and 2008 transitions. [2022-11-26 00:14:28,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:14:28,233 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, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 93 [2022-11-26 00:14:28,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:14:28,242 INFO L225 Difference]: With dead ends: 1469 [2022-11-26 00:14:28,242 INFO L226 Difference]: Without dead ends: 1467 [2022-11-26 00:14:28,243 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:14:28,244 INFO L413 NwaCegarLoop]: 1746 mSDtfsCounter, 1976 mSDsluCounter, 1746 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1978 SdHoareTripleChecker+Valid, 3492 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:14:28,244 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1978 Valid, 3492 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-26 00:14:28,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1467 states. [2022-11-26 00:14:28,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1467 to 1467. [2022-11-26 00:14:28,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1467 states, 806 states have (on average 1.2109181141439207) internal successors, (976), 848 states have internal predecessors, (976), 516 states have call successors, (516), 122 states have call predecessors, (516), 121 states have return successors, (514), 512 states have call predecessors, (514), 514 states have call successors, (514) [2022-11-26 00:14:28,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1467 states to 1467 states and 2006 transitions. [2022-11-26 00:14:28,392 INFO L78 Accepts]: Start accepts. Automaton has 1467 states and 2006 transitions. Word has length 93 [2022-11-26 00:14:28,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:14:28,393 INFO L495 AbstractCegarLoop]: Abstraction has 1467 states and 2006 transitions. [2022-11-26 00:14:28,393 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, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-26 00:14:28,393 INFO L276 IsEmpty]: Start isEmpty. Operand 1467 states and 2006 transitions. [2022-11-26 00:14:28,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-11-26 00:14:28,395 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:14:28,395 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-11-26 00:14:28,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-26 00:14:28,395 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:14:28,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:14:28,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1659025241, now seen corresponding path program 1 times [2022-11-26 00:14:28,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:14:28,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130623593] [2022-11-26 00:14:28,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:14:28,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:14:28,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:14:29,413 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2022-11-26 00:14:29,413 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:14:29,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130623593] [2022-11-26 00:14:29,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130623593] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:14:29,414 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:14:29,414 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:14:29,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707783859] [2022-11-26 00:14:29,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:14:29,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:14:29,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:14:29,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:14:29,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:14:29,417 INFO L87 Difference]: Start difference. First operand 1467 states and 2006 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-26 00:14:31,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:14:31,101 INFO L93 Difference]: Finished difference Result 2067 states and 2727 transitions. [2022-11-26 00:14:31,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:14:31,102 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 122 [2022-11-26 00:14:31,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:14:31,111 INFO L225 Difference]: With dead ends: 2067 [2022-11-26 00:14:31,112 INFO L226 Difference]: Without dead ends: 1463 [2022-11-26 00:14:31,115 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:14:31,116 INFO L413 NwaCegarLoop]: 1742 mSDtfsCounter, 1992 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1992 SdHoareTripleChecker+Valid, 1742 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:14:31,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1992 Valid, 1742 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-26 00:14:31,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1463 states. [2022-11-26 00:14:31,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1463 to 1463. [2022-11-26 00:14:31,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1463 states, 803 states have (on average 1.2092154420921544) internal successors, (971), 844 states have internal predecessors, (971), 516 states have call successors, (516), 122 states have call predecessors, (516), 121 states have return successors, (514), 512 states have call predecessors, (514), 514 states have call successors, (514) [2022-11-26 00:14:31,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1463 states to 1463 states and 2001 transitions. [2022-11-26 00:14:31,283 INFO L78 Accepts]: Start accepts. Automaton has 1463 states and 2001 transitions. Word has length 122 [2022-11-26 00:14:31,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:14:31,284 INFO L495 AbstractCegarLoop]: Abstraction has 1463 states and 2001 transitions. [2022-11-26 00:14:31,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-26 00:14:31,285 INFO L276 IsEmpty]: Start isEmpty. Operand 1463 states and 2001 transitions. [2022-11-26 00:14:31,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-11-26 00:14:31,287 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:14:31,287 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:14:31,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-26 00:14:31,287 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:14:31,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:14:31,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1392988181, now seen corresponding path program 1 times [2022-11-26 00:14:31,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:14:31,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449025626] [2022-11-26 00:14:31,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:14:31,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:14:31,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:14:32,531 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-26 00:14:32,532 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:14:32,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449025626] [2022-11-26 00:14:32,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449025626] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:14:32,532 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:14:32,533 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:14:32,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519291898] [2022-11-26 00:14:32,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:14:32,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:14:32,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:14:32,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:14:32,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:14:32,535 INFO L87 Difference]: Start difference. First operand 1463 states and 2001 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, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-26 00:14:34,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:14:34,742 INFO L93 Difference]: Finished difference Result 1463 states and 2001 transitions. [2022-11-26 00:14:34,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:14:34,743 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, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 98 [2022-11-26 00:14:34,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:14:34,752 INFO L225 Difference]: With dead ends: 1463 [2022-11-26 00:14:34,752 INFO L226 Difference]: Without dead ends: 1461 [2022-11-26 00:14:34,754 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:14:34,755 INFO L413 NwaCegarLoop]: 1739 mSDtfsCounter, 1968 mSDsluCounter, 1739 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1970 SdHoareTripleChecker+Valid, 3478 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:14:34,755 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1970 Valid, 3478 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-26 00:14:34,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1461 states. [2022-11-26 00:14:34,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1461 to 1461. [2022-11-26 00:14:34,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1461 states, 802 states have (on average 1.2082294264339153) internal successors, (969), 842 states have internal predecessors, (969), 516 states have call successors, (516), 122 states have call predecessors, (516), 121 states have return successors, (514), 512 states have call predecessors, (514), 514 states have call successors, (514) [2022-11-26 00:14:34,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 1461 states and 1999 transitions. [2022-11-26 00:14:34,933 INFO L78 Accepts]: Start accepts. Automaton has 1461 states and 1999 transitions. Word has length 98 [2022-11-26 00:14:34,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:14:34,934 INFO L495 AbstractCegarLoop]: Abstraction has 1461 states and 1999 transitions. [2022-11-26 00:14:34,934 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, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-26 00:14:34,934 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 1999 transitions. [2022-11-26 00:14:34,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-26 00:14:34,936 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:14:34,936 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-11-26 00:14:34,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-26 00:14:34,937 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_alloc_irq_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:14:34,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:14:34,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1051559223, now seen corresponding path program 1 times [2022-11-26 00:14:34,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:14:34,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396357583] [2022-11-26 00:14:34,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:14:34,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:14:35,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:14:38,176 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2022-11-26 00:14:38,176 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:14:38,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396357583] [2022-11-26 00:14:38,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396357583] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:14:38,177 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:14:38,177 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-26 00:14:38,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139818078] [2022-11-26 00:14:38,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:14:38,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:14:38,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:14:38,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:14:38,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:14:38,179 INFO L87 Difference]: Start difference. First operand 1461 states and 1999 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-26 00:14:44,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:14:44,830 INFO L93 Difference]: Finished difference Result 1465 states and 2001 transitions. [2022-11-26 00:14:44,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:14:44,830 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) Word has length 129 [2022-11-26 00:14:44,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:14:44,840 INFO L225 Difference]: With dead ends: 1465 [2022-11-26 00:14:44,840 INFO L226 Difference]: Without dead ends: 1463 [2022-11-26 00:14:44,842 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-26 00:14:44,843 INFO L413 NwaCegarLoop]: 1738 mSDtfsCounter, 1944 mSDsluCounter, 4195 mSDsCounter, 0 mSdLazyCounter, 2064 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1952 SdHoareTripleChecker+Valid, 5933 SdHoareTripleChecker+Invalid, 2065 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2064 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:14:44,843 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1952 Valid, 5933 Invalid, 2065 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2064 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2022-11-26 00:14:44,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1463 states. [2022-11-26 00:14:45,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1463 to 1463. [2022-11-26 00:14:45,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1463 states, 803 states have (on average 1.2067247820672478) internal successors, (969), 842 states have internal predecessors, (969), 516 states have call successors, (516), 124 states have call predecessors, (516), 123 states have return successors, (514), 512 states have call predecessors, (514), 514 states have call successors, (514) [2022-11-26 00:14:45,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1463 states to 1463 states and 1999 transitions. [2022-11-26 00:14:45,027 INFO L78 Accepts]: Start accepts. Automaton has 1463 states and 1999 transitions. Word has length 129 [2022-11-26 00:14:45,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:14:45,028 INFO L495 AbstractCegarLoop]: Abstraction has 1463 states and 1999 transitions. [2022-11-26 00:14:45,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-26 00:14:45,028 INFO L276 IsEmpty]: Start isEmpty. Operand 1463 states and 1999 transitions. [2022-11-26 00:14:45,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-11-26 00:14:45,030 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:14:45,030 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-11-26 00:14:45,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-26 00:14:45,031 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:14:45,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:14:45,031 INFO L85 PathProgramCache]: Analyzing trace with hash -117804353, now seen corresponding path program 1 times [2022-11-26 00:14:45,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:14:45,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941627078] [2022-11-26 00:14:45,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:14:45,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:14:45,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:14:46,124 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2022-11-26 00:14:46,124 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:14:46,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941627078] [2022-11-26 00:14:46,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941627078] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:14:46,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1055842914] [2022-11-26 00:14:46,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:14:46,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:14:46,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:14:46,131 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:14:46,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:14:48,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:14:48,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 7756 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-26 00:14:48,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:14:48,813 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2022-11-26 00:14:48,813 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:14:48,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1055842914] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:14:48,814 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 00:14:48,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2022-11-26 00:14:48,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927300487] [2022-11-26 00:14:48,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:14:48,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:14:48,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:14:48,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:14:48,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-26 00:14:48,816 INFO L87 Difference]: Start difference. First operand 1463 states and 1999 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, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-26 00:14:50,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:14:50,390 INFO L93 Difference]: Finished difference Result 2074 states and 2728 transitions. [2022-11-26 00:14:50,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:14:50,391 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, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 127 [2022-11-26 00:14:50,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:14:50,401 INFO L225 Difference]: With dead ends: 2074 [2022-11-26 00:14:50,401 INFO L226 Difference]: Without dead ends: 1481 [2022-11-26 00:14:50,405 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-26 00:14:50,405 INFO L413 NwaCegarLoop]: 1745 mSDtfsCounter, 1941 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1941 SdHoareTripleChecker+Valid, 1795 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:14:50,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1941 Valid, 1795 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-26 00:14:50,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1481 states. [2022-11-26 00:14:50,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1481 to 1479. [2022-11-26 00:14:50,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1479 states, 810 states have (on average 1.202469135802469) internal successors, (974), 849 states have internal predecessors, (974), 520 states have call successors, (520), 130 states have call predecessors, (520), 129 states have return successors, (518), 515 states have call predecessors, (518), 518 states have call successors, (518) [2022-11-26 00:14:50,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1479 states to 1479 states and 2012 transitions. [2022-11-26 00:14:50,668 INFO L78 Accepts]: Start accepts. Automaton has 1479 states and 2012 transitions. Word has length 127 [2022-11-26 00:14:50,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:14:50,670 INFO L495 AbstractCegarLoop]: Abstraction has 1479 states and 2012 transitions. [2022-11-26 00:14:50,670 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, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-26 00:14:50,670 INFO L276 IsEmpty]: Start isEmpty. Operand 1479 states and 2012 transitions. [2022-11-26 00:14:50,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-26 00:14:50,672 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:14:50,672 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:14:50,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-26 00:14:50,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-26 00:14:50,897 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:14:50,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:14:50,897 INFO L85 PathProgramCache]: Analyzing trace with hash -1340286038, now seen corresponding path program 1 times [2022-11-26 00:14:50,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:14:50,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085400004] [2022-11-26 00:14:50,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:14:50,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:14:51,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:14:52,072 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-26 00:14:52,073 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:14:52,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085400004] [2022-11-26 00:14:52,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085400004] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:14:52,073 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:14:52,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:14:52,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785243868] [2022-11-26 00:14:52,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:14:52,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:14:52,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:14:52,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:14:52,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:14:52,076 INFO L87 Difference]: Start difference. First operand 1479 states and 2012 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-26 00:14:54,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:14:54,707 INFO L93 Difference]: Finished difference Result 1479 states and 2012 transitions. [2022-11-26 00:14:54,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:14:54,708 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 103 [2022-11-26 00:14:54,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:14:54,717 INFO L225 Difference]: With dead ends: 1479 [2022-11-26 00:14:54,717 INFO L226 Difference]: Without dead ends: 1477 [2022-11-26 00:14:54,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:14:54,719 INFO L413 NwaCegarLoop]: 1730 mSDtfsCounter, 1958 mSDsluCounter, 1730 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1960 SdHoareTripleChecker+Valid, 3460 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:14:54,719 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1960 Valid, 3460 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-26 00:14:54,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1477 states. [2022-11-26 00:14:54,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1477 to 1477. [2022-11-26 00:14:54,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1477 states, 809 states have (on average 1.2014833127317677) internal successors, (972), 847 states have internal predecessors, (972), 520 states have call successors, (520), 130 states have call predecessors, (520), 129 states have return successors, (518), 515 states have call predecessors, (518), 518 states have call successors, (518) [2022-11-26 00:14:54,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1477 states to 1477 states and 2010 transitions. [2022-11-26 00:14:54,936 INFO L78 Accepts]: Start accepts. Automaton has 1477 states and 2010 transitions. Word has length 103 [2022-11-26 00:14:54,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:14:54,939 INFO L495 AbstractCegarLoop]: Abstraction has 1477 states and 2010 transitions. [2022-11-26 00:14:54,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-26 00:14:54,939 INFO L276 IsEmpty]: Start isEmpty. Operand 1477 states and 2010 transitions. [2022-11-26 00:14:54,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-11-26 00:14:54,941 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:14:54,942 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-11-26 00:14:54,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-26 00:14:54,942 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:14:54,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:14:54,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1741631603, now seen corresponding path program 1 times [2022-11-26 00:14:54,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:14:54,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312864293] [2022-11-26 00:14:54,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:14:54,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:14:55,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:14:55,727 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2022-11-26 00:14:55,728 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:14:55,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312864293] [2022-11-26 00:14:55,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312864293] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:14:55,728 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:14:55,728 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:14:55,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409916141] [2022-11-26 00:14:55,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:14:55,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:14:55,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:14:55,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:14:55,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:14:55,730 INFO L87 Difference]: Start difference. First operand 1477 states and 2010 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-26 00:14:57,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:14:57,159 INFO L93 Difference]: Finished difference Result 2876 states and 4016 transitions. [2022-11-26 00:14:57,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:14:57,160 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 135 [2022-11-26 00:14:57,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:14:57,184 INFO L225 Difference]: With dead ends: 2876 [2022-11-26 00:14:57,185 INFO L226 Difference]: Without dead ends: 1473 [2022-11-26 00:14:57,194 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:14:57,195 INFO L413 NwaCegarLoop]: 1726 mSDtfsCounter, 1950 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1950 SdHoareTripleChecker+Valid, 1726 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:14:57,195 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1950 Valid, 1726 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-26 00:14:57,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1473 states. [2022-11-26 00:14:57,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1473 to 1473. [2022-11-26 00:14:57,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1473 states, 806 states have (on average 1.1997518610421836) internal successors, (967), 843 states have internal predecessors, (967), 520 states have call successors, (520), 130 states have call predecessors, (520), 129 states have return successors, (518), 515 states have call predecessors, (518), 518 states have call successors, (518) [2022-11-26 00:14:57,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1473 states to 1473 states and 2005 transitions. [2022-11-26 00:14:57,424 INFO L78 Accepts]: Start accepts. Automaton has 1473 states and 2005 transitions. Word has length 135 [2022-11-26 00:14:57,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:14:57,424 INFO L495 AbstractCegarLoop]: Abstraction has 1473 states and 2005 transitions. [2022-11-26 00:14:57,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-26 00:14:57,425 INFO L276 IsEmpty]: Start isEmpty. Operand 1473 states and 2005 transitions. [2022-11-26 00:14:57,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-11-26 00:14:57,427 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:14:57,427 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:14:57,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-26 00:14:57,428 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:14:57,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:14:57,429 INFO L85 PathProgramCache]: Analyzing trace with hash -1212373245, now seen corresponding path program 1 times [2022-11-26 00:14:57,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:14:57,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852306633] [2022-11-26 00:14:57,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:14:57,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:14:57,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:14:58,551 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-26 00:14:58,551 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:14:58,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852306633] [2022-11-26 00:14:58,552 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852306633] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:14:58,552 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:14:58,552 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:14:58,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988468671] [2022-11-26 00:14:58,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:14:58,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:14:58,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:14:58,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:14:58,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:14:58,558 INFO L87 Difference]: Start difference. First operand 1473 states and 2005 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-26 00:15:00,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:15:00,802 INFO L93 Difference]: Finished difference Result 1473 states and 2005 transitions. [2022-11-26 00:15:00,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:15:00,803 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 108 [2022-11-26 00:15:00,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:15:00,811 INFO L225 Difference]: With dead ends: 1473 [2022-11-26 00:15:00,811 INFO L226 Difference]: Without dead ends: 1471 [2022-11-26 00:15:00,813 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:15:00,813 INFO L413 NwaCegarLoop]: 1723 mSDtfsCounter, 1950 mSDsluCounter, 1723 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1952 SdHoareTripleChecker+Valid, 3446 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:15:00,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1952 Valid, 3446 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-26 00:15:00,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1471 states. [2022-11-26 00:15:01,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1471 to 1471. [2022-11-26 00:15:01,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1471 states, 805 states have (on average 1.1987577639751552) internal successors, (965), 841 states have internal predecessors, (965), 520 states have call successors, (520), 130 states have call predecessors, (520), 129 states have return successors, (518), 515 states have call predecessors, (518), 518 states have call successors, (518) [2022-11-26 00:15:01,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1471 states to 1471 states and 2003 transitions. [2022-11-26 00:15:01,023 INFO L78 Accepts]: Start accepts. Automaton has 1471 states and 2003 transitions. Word has length 108 [2022-11-26 00:15:01,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:15:01,023 INFO L495 AbstractCegarLoop]: Abstraction has 1471 states and 2003 transitions. [2022-11-26 00:15:01,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-26 00:15:01,024 INFO L276 IsEmpty]: Start isEmpty. Operand 1471 states and 2003 transitions. [2022-11-26 00:15:01,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-26 00:15:01,026 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:15:01,026 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:15:01,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-26 00:15:01,027 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:15:01,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:15:01,027 INFO L85 PathProgramCache]: Analyzing trace with hash -605492942, now seen corresponding path program 1 times [2022-11-26 00:15:01,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:15:01,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936785321] [2022-11-26 00:15:01,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:15:01,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:15:01,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:15:02,110 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-26 00:15:02,111 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:15:02,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936785321] [2022-11-26 00:15:02,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936785321] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:15:02,112 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:15:02,112 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:15:02,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818616419] [2022-11-26 00:15:02,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:15:02,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:15:02,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:15:02,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:15:02,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:15:02,115 INFO L87 Difference]: Start difference. First operand 1471 states and 2003 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-26 00:15:04,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:15:04,436 INFO L93 Difference]: Finished difference Result 1471 states and 2003 transitions. [2022-11-26 00:15:04,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:15:04,436 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 113 [2022-11-26 00:15:04,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:15:04,444 INFO L225 Difference]: With dead ends: 1471 [2022-11-26 00:15:04,445 INFO L226 Difference]: Without dead ends: 1469 [2022-11-26 00:15:04,446 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:15:04,447 INFO L413 NwaCegarLoop]: 1721 mSDtfsCounter, 1947 mSDsluCounter, 1721 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1949 SdHoareTripleChecker+Valid, 3442 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:15:04,447 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1949 Valid, 3442 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-26 00:15:04,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1469 states. [2022-11-26 00:15:04,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1469 to 1469. [2022-11-26 00:15:04,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1469 states, 804 states have (on average 1.1977611940298507) internal successors, (963), 839 states have internal predecessors, (963), 520 states have call successors, (520), 130 states have call predecessors, (520), 129 states have return successors, (518), 515 states have call predecessors, (518), 518 states have call successors, (518) [2022-11-26 00:15:04,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 1469 states and 2001 transitions. [2022-11-26 00:15:04,700 INFO L78 Accepts]: Start accepts. Automaton has 1469 states and 2001 transitions. Word has length 113 [2022-11-26 00:15:04,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:15:04,701 INFO L495 AbstractCegarLoop]: Abstraction has 1469 states and 2001 transitions. [2022-11-26 00:15:04,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-26 00:15:04,701 INFO L276 IsEmpty]: Start isEmpty. Operand 1469 states and 2001 transitions. [2022-11-26 00:15:04,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-11-26 00:15:04,705 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:15:04,705 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:15:04,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-26 00:15:04,705 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:15:04,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:15:04,706 INFO L85 PathProgramCache]: Analyzing trace with hash -1766109390, now seen corresponding path program 1 times [2022-11-26 00:15:04,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:15:04,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919891787] [2022-11-26 00:15:04,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:15:04,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:15:04,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:15:05,777 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-26 00:15:05,777 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:15:05,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919891787] [2022-11-26 00:15:05,778 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919891787] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:15:05,778 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:15:05,778 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:15:05,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789623787] [2022-11-26 00:15:05,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:15:05,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:15:05,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:15:05,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:15:05,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:15:05,780 INFO L87 Difference]: Start difference. First operand 1469 states and 2001 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-26 00:15:07,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:15:07,891 INFO L93 Difference]: Finished difference Result 1469 states and 2001 transitions. [2022-11-26 00:15:07,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:15:07,892 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 118 [2022-11-26 00:15:07,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:15:07,899 INFO L225 Difference]: With dead ends: 1469 [2022-11-26 00:15:07,899 INFO L226 Difference]: Without dead ends: 1467 [2022-11-26 00:15:07,900 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:15:07,900 INFO L413 NwaCegarLoop]: 1719 mSDtfsCounter, 1944 mSDsluCounter, 1719 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1946 SdHoareTripleChecker+Valid, 3438 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:15:07,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1946 Valid, 3438 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-26 00:15:07,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1467 states. [2022-11-26 00:15:08,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1467 to 1467. [2022-11-26 00:15:08,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1467 states, 803 states have (on average 1.1967621419676213) internal successors, (961), 837 states have internal predecessors, (961), 520 states have call successors, (520), 130 states have call predecessors, (520), 129 states have return successors, (518), 515 states have call predecessors, (518), 518 states have call successors, (518) [2022-11-26 00:15:08,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1467 states to 1467 states and 1999 transitions. [2022-11-26 00:15:08,137 INFO L78 Accepts]: Start accepts. Automaton has 1467 states and 1999 transitions. Word has length 118 [2022-11-26 00:15:08,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:15:08,138 INFO L495 AbstractCegarLoop]: Abstraction has 1467 states and 1999 transitions. [2022-11-26 00:15:08,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-26 00:15:08,138 INFO L276 IsEmpty]: Start isEmpty. Operand 1467 states and 1999 transitions. [2022-11-26 00:15:08,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-11-26 00:15:08,140 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:15:08,140 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:15:08,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-26 00:15:08,141 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:15:08,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:15:08,142 INFO L85 PathProgramCache]: Analyzing trace with hash -778461480, now seen corresponding path program 1 times [2022-11-26 00:15:08,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:15:08,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178856605] [2022-11-26 00:15:08,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:15:08,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:15:08,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:15:10,163 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-26 00:15:10,164 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:15:10,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178856605] [2022-11-26 00:15:10,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178856605] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:15:10,165 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:15:10,165 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:15:10,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527721488] [2022-11-26 00:15:10,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:15:10,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:15:10,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:15:10,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:15:10,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:15:10,167 INFO L87 Difference]: Start difference. First operand 1467 states and 1999 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-26 00:15:12,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:15:12,349 INFO L93 Difference]: Finished difference Result 1467 states and 1999 transitions. [2022-11-26 00:15:12,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:15:12,349 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 123 [2022-11-26 00:15:12,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:15:12,354 INFO L225 Difference]: With dead ends: 1467 [2022-11-26 00:15:12,354 INFO L226 Difference]: Without dead ends: 1465 [2022-11-26 00:15:12,355 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:15:12,355 INFO L413 NwaCegarLoop]: 1717 mSDtfsCounter, 1941 mSDsluCounter, 1717 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1943 SdHoareTripleChecker+Valid, 3434 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:15:12,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1943 Valid, 3434 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-26 00:15:12,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1465 states. [2022-11-26 00:15:12,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1465 to 1465. [2022-11-26 00:15:12,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1465 states, 802 states have (on average 1.1957605985037407) internal successors, (959), 835 states have internal predecessors, (959), 520 states have call successors, (520), 130 states have call predecessors, (520), 129 states have return successors, (518), 515 states have call predecessors, (518), 518 states have call successors, (518) [2022-11-26 00:15:12,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1465 states to 1465 states and 1997 transitions. [2022-11-26 00:15:12,603 INFO L78 Accepts]: Start accepts. Automaton has 1465 states and 1997 transitions. Word has length 123 [2022-11-26 00:15:12,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:15:12,604 INFO L495 AbstractCegarLoop]: Abstraction has 1465 states and 1997 transitions. [2022-11-26 00:15:12,604 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-26 00:15:12,604 INFO L276 IsEmpty]: Start isEmpty. Operand 1465 states and 1997 transitions. [2022-11-26 00:15:12,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-26 00:15:12,606 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:15:12,607 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:15:12,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-26 00:15:12,607 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:15:12,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:15:12,608 INFO L85 PathProgramCache]: Analyzing trace with hash 322412818, now seen corresponding path program 1 times [2022-11-26 00:15:12,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:15:12,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205486299] [2022-11-26 00:15:12,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:15:12,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:15:12,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:15:13,553 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-26 00:15:13,553 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:15:13,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205486299] [2022-11-26 00:15:13,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205486299] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:15:13,554 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:15:13,554 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:15:13,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663618096] [2022-11-26 00:15:13,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:15:13,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:15:13,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:15:13,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:15:13,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:15:13,556 INFO L87 Difference]: Start difference. First operand 1465 states and 1997 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-26 00:15:15,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:15:15,867 INFO L93 Difference]: Finished difference Result 1765 states and 2362 transitions. [2022-11-26 00:15:15,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:15:15,868 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 128 [2022-11-26 00:15:15,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:15:15,875 INFO L225 Difference]: With dead ends: 1765 [2022-11-26 00:15:15,875 INFO L226 Difference]: Without dead ends: 1763 [2022-11-26 00:15:15,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:15:15,877 INFO L413 NwaCegarLoop]: 1805 mSDtfsCounter, 1879 mSDsluCounter, 2160 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1881 SdHoareTripleChecker+Valid, 3965 SdHoareTripleChecker+Invalid, 586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:15:15,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1881 Valid, 3965 Invalid, 586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-26 00:15:15,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1763 states. [2022-11-26 00:15:16,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1763 to 1753. [2022-11-26 00:15:16,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1753 states, 961 states have (on average 1.1831425598335068) internal successors, (1137), 993 states have internal predecessors, (1137), 610 states have call successors, (610), 170 states have call predecessors, (610), 169 states have return successors, (608), 605 states have call predecessors, (608), 608 states have call successors, (608) [2022-11-26 00:15:16,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1753 states to 1753 states and 2355 transitions. [2022-11-26 00:15:16,181 INFO L78 Accepts]: Start accepts. Automaton has 1753 states and 2355 transitions. Word has length 128 [2022-11-26 00:15:16,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:15:16,181 INFO L495 AbstractCegarLoop]: Abstraction has 1753 states and 2355 transitions. [2022-11-26 00:15:16,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-26 00:15:16,182 INFO L276 IsEmpty]: Start isEmpty. Operand 1753 states and 2355 transitions. [2022-11-26 00:15:16,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-11-26 00:15:16,184 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:15:16,184 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:15:16,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-26 00:15:16,184 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:15:16,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:15:16,185 INFO L85 PathProgramCache]: Analyzing trace with hash -1105970016, now seen corresponding path program 1 times [2022-11-26 00:15:16,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:15:16,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282089998] [2022-11-26 00:15:16,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:15:16,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:15:16,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:15:17,005 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-26 00:15:17,005 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:15:17,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282089998] [2022-11-26 00:15:17,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282089998] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:15:17,006 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:15:17,006 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:15:17,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797529570] [2022-11-26 00:15:17,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:15:17,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:15:17,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:15:17,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:15:17,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:15:17,008 INFO L87 Difference]: Start difference. First operand 1753 states and 2355 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-26 00:15:18,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:15:18,922 INFO L93 Difference]: Finished difference Result 1753 states and 2355 transitions. [2022-11-26 00:15:18,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:15:18,923 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 133 [2022-11-26 00:15:18,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:15:18,927 INFO L225 Difference]: With dead ends: 1753 [2022-11-26 00:15:18,927 INFO L226 Difference]: Without dead ends: 1751 [2022-11-26 00:15:18,928 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:15:18,929 INFO L413 NwaCegarLoop]: 1713 mSDtfsCounter, 1935 mSDsluCounter, 1713 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1937 SdHoareTripleChecker+Valid, 3426 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:15:18,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1937 Valid, 3426 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-26 00:15:18,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1751 states. [2022-11-26 00:15:19,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1751 to 1751. [2022-11-26 00:15:19,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1751 states, 960 states have (on average 1.1822916666666667) internal successors, (1135), 991 states have internal predecessors, (1135), 610 states have call successors, (610), 170 states have call predecessors, (610), 169 states have return successors, (608), 605 states have call predecessors, (608), 608 states have call successors, (608) [2022-11-26 00:15:19,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1751 states to 1751 states and 2353 transitions. [2022-11-26 00:15:19,239 INFO L78 Accepts]: Start accepts. Automaton has 1751 states and 2353 transitions. Word has length 133 [2022-11-26 00:15:19,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:15:19,239 INFO L495 AbstractCegarLoop]: Abstraction has 1751 states and 2353 transitions. [2022-11-26 00:15:19,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-26 00:15:19,240 INFO L276 IsEmpty]: Start isEmpty. Operand 1751 states and 2353 transitions. [2022-11-26 00:15:19,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-11-26 00:15:19,242 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:15:19,243 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:15:19,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-26 00:15:19,243 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:15:19,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:15:19,244 INFO L85 PathProgramCache]: Analyzing trace with hash -224267694, now seen corresponding path program 1 times [2022-11-26 00:15:19,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:15:19,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587992067] [2022-11-26 00:15:19,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:15:19,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:15:19,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:15:21,371 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2022-11-26 00:15:21,371 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:15:21,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587992067] [2022-11-26 00:15:21,372 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587992067] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:15:21,372 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:15:21,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:15:21,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188786758] [2022-11-26 00:15:21,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:15:21,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:15:21,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:15:21,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:15:21,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:15:21,374 INFO L87 Difference]: Start difference. First operand 1751 states and 2353 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-26 00:15:25,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:15:25,072 INFO L93 Difference]: Finished difference Result 2070 states and 2734 transitions. [2022-11-26 00:15:25,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:15:25,073 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 170 [2022-11-26 00:15:25,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:15:25,079 INFO L225 Difference]: With dead ends: 2070 [2022-11-26 00:15:25,079 INFO L226 Difference]: Without dead ends: 2068 [2022-11-26 00:15:25,080 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-26 00:15:25,081 INFO L413 NwaCegarLoop]: 1972 mSDtfsCounter, 1536 mSDsluCounter, 4629 mSDsCounter, 0 mSdLazyCounter, 1014 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1537 SdHoareTripleChecker+Valid, 6601 SdHoareTripleChecker+Invalid, 1015 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1014 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:15:25,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1537 Valid, 6601 Invalid, 1015 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1014 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-11-26 00:15:25,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2068 states. [2022-11-26 00:15:25,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2068 to 2060. [2022-11-26 00:15:25,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2060 states, 1130 states have (on average 1.1761061946902656) internal successors, (1329), 1162 states have internal predecessors, (1329), 700 states have call successors, (700), 220 states have call predecessors, (700), 219 states have return successors, (698), 695 states have call predecessors, (698), 698 states have call successors, (698) [2022-11-26 00:15:25,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2060 states to 2060 states and 2727 transitions. [2022-11-26 00:15:25,358 INFO L78 Accepts]: Start accepts. Automaton has 2060 states and 2727 transitions. Word has length 170 [2022-11-26 00:15:25,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:15:25,359 INFO L495 AbstractCegarLoop]: Abstraction has 2060 states and 2727 transitions. [2022-11-26 00:15:25,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-26 00:15:25,359 INFO L276 IsEmpty]: Start isEmpty. Operand 2060 states and 2727 transitions. [2022-11-26 00:15:25,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-11-26 00:15:25,362 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:15:25,362 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:15:25,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-26 00:15:25,363 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:15:25,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:15:25,363 INFO L85 PathProgramCache]: Analyzing trace with hash -2046358866, now seen corresponding path program 1 times [2022-11-26 00:15:25,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:15:25,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807422213] [2022-11-26 00:15:25,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:15:25,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:15:25,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:15:26,518 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-26 00:15:26,518 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:15:26,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807422213] [2022-11-26 00:15:26,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807422213] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:15:26,519 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:15:26,519 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:15:26,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578500286] [2022-11-26 00:15:26,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:15:26,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:15:26,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:15:26,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:15:26,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:15:26,523 INFO L87 Difference]: Start difference. First operand 2060 states and 2727 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-26 00:15:29,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:15:29,749 INFO L93 Difference]: Finished difference Result 2936 states and 3861 transitions. [2022-11-26 00:15:29,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:15:29,750 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 138 [2022-11-26 00:15:29,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:15:29,763 INFO L225 Difference]: With dead ends: 2936 [2022-11-26 00:15:29,763 INFO L226 Difference]: Without dead ends: 2934 [2022-11-26 00:15:29,765 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:15:29,766 INFO L413 NwaCegarLoop]: 2205 mSDtfsCounter, 1895 mSDsluCounter, 3153 mSDsCounter, 0 mSdLazyCounter, 746 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1897 SdHoareTripleChecker+Valid, 5358 SdHoareTripleChecker+Invalid, 747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:15:29,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1897 Valid, 5358 Invalid, 747 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 746 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-26 00:15:29,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2934 states. [2022-11-26 00:15:30,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2934 to 2901. [2022-11-26 00:15:30,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2901 states, 1606 states have (on average 1.178082191780822) internal successors, (1892), 1646 states have internal predecessors, (1892), 968 states have call successors, (968), 318 states have call predecessors, (968), 316 states have return successors, (973), 959 states have call predecessors, (973), 966 states have call successors, (973) [2022-11-26 00:15:30,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2901 states to 2901 states and 3833 transitions. [2022-11-26 00:15:30,258 INFO L78 Accepts]: Start accepts. Automaton has 2901 states and 3833 transitions. Word has length 138 [2022-11-26 00:15:30,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:15:30,259 INFO L495 AbstractCegarLoop]: Abstraction has 2901 states and 3833 transitions. [2022-11-26 00:15:30,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-26 00:15:30,259 INFO L276 IsEmpty]: Start isEmpty. Operand 2901 states and 3833 transitions. [2022-11-26 00:15:30,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-11-26 00:15:30,262 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:15:30,262 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:15:30,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-26 00:15:30,263 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_assert_linux_net_rtnetlink__double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:15:30,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:15:30,263 INFO L85 PathProgramCache]: Analyzing trace with hash 84655154, now seen corresponding path program 1 times [2022-11-26 00:15:30,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:15:30,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278841422] [2022-11-26 00:15:30,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:15:30,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:15:30,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:15:31,772 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2022-11-26 00:15:31,772 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:15:31,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278841422] [2022-11-26 00:15:31,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278841422] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:15:31,772 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:15:31,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:15:31,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834534147] [2022-11-26 00:15:31,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:15:31,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:15:31,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:15:31,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:15:31,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:15:31,775 INFO L87 Difference]: Start difference. First operand 2901 states and 3833 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-26 00:15:34,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:15:34,941 INFO L93 Difference]: Finished difference Result 2909 states and 3837 transitions. [2022-11-26 00:15:34,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:15:34,942 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 173 [2022-11-26 00:15:34,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:15:34,953 INFO L225 Difference]: With dead ends: 2909 [2022-11-26 00:15:34,953 INFO L226 Difference]: Without dead ends: 2907 [2022-11-26 00:15:34,955 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-26 00:15:34,956 INFO L413 NwaCegarLoop]: 1797 mSDtfsCounter, 1858 mSDsluCounter, 3944 mSDsCounter, 0 mSdLazyCounter, 850 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1859 SdHoareTripleChecker+Valid, 5741 SdHoareTripleChecker+Invalid, 851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 850 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:15:34,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1859 Valid, 5741 Invalid, 851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 850 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-26 00:15:34,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2907 states. [2022-11-26 00:15:35,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2907 to 2899. [2022-11-26 00:15:35,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2899 states, 1605 states have (on average 1.1769470404984423) internal successors, (1889), 1644 states have internal predecessors, (1889), 968 states have call successors, (968), 318 states have call predecessors, (968), 316 states have return successors, (973), 959 states have call predecessors, (973), 966 states have call successors, (973) [2022-11-26 00:15:35,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2899 states to 2899 states and 3830 transitions. [2022-11-26 00:15:35,437 INFO L78 Accepts]: Start accepts. Automaton has 2899 states and 3830 transitions. Word has length 173 [2022-11-26 00:15:35,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:15:35,437 INFO L495 AbstractCegarLoop]: Abstraction has 2899 states and 3830 transitions. [2022-11-26 00:15:35,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-26 00:15:35,438 INFO L276 IsEmpty]: Start isEmpty. Operand 2899 states and 3830 transitions. [2022-11-26 00:15:35,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-11-26 00:15:35,441 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:15:35,441 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:15:35,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-26 00:15:35,441 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:15:35,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:15:35,442 INFO L85 PathProgramCache]: Analyzing trace with hash -398712341, now seen corresponding path program 1 times [2022-11-26 00:15:35,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:15:35,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122450720] [2022-11-26 00:15:35,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:15:35,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:15:35,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:15:36,309 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-26 00:15:36,310 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:15:36,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122450720] [2022-11-26 00:15:36,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122450720] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:15:36,310 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:15:36,310 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:15:36,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269773206] [2022-11-26 00:15:36,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:15:36,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:15:36,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:15:36,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:15:36,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:15:36,312 INFO L87 Difference]: Start difference. First operand 2899 states and 3830 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-26 00:15:38,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:15:38,505 INFO L93 Difference]: Finished difference Result 2899 states and 3830 transitions. [2022-11-26 00:15:38,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:15:38,506 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 143 [2022-11-26 00:15:38,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:15:38,515 INFO L225 Difference]: With dead ends: 2899 [2022-11-26 00:15:38,515 INFO L226 Difference]: Without dead ends: 2897 [2022-11-26 00:15:38,517 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:15:38,518 INFO L413 NwaCegarLoop]: 1707 mSDtfsCounter, 1927 mSDsluCounter, 1707 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1929 SdHoareTripleChecker+Valid, 3414 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:15:38,518 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1929 Valid, 3414 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-26 00:15:38,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2897 states. [2022-11-26 00:15:39,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2897 to 2897. [2022-11-26 00:15:39,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2897 states, 1604 states have (on average 1.17643391521197) internal successors, (1887), 1642 states have internal predecessors, (1887), 968 states have call successors, (968), 318 states have call predecessors, (968), 316 states have return successors, (973), 959 states have call predecessors, (973), 966 states have call successors, (973) [2022-11-26 00:15:39,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2897 states to 2897 states and 3828 transitions. [2022-11-26 00:15:39,069 INFO L78 Accepts]: Start accepts. Automaton has 2897 states and 3828 transitions. Word has length 143 [2022-11-26 00:15:39,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:15:39,071 INFO L495 AbstractCegarLoop]: Abstraction has 2897 states and 3828 transitions. [2022-11-26 00:15:39,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-26 00:15:39,071 INFO L276 IsEmpty]: Start isEmpty. Operand 2897 states and 3828 transitions. [2022-11-26 00:15:39,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-11-26 00:15:39,074 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:15:39,074 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:15:39,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-26 00:15:39,075 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_linux_net_rtnetlink_past_rtnl_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:15:39,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:15:39,075 INFO L85 PathProgramCache]: Analyzing trace with hash -1589862745, now seen corresponding path program 1 times [2022-11-26 00:15:39,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:15:39,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438739591] [2022-11-26 00:15:39,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:15:39,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:15:39,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:15:40,174 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2022-11-26 00:15:40,174 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:15:40,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438739591] [2022-11-26 00:15:40,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438739591] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:15:40,174 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:15:40,175 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:15:40,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519976117] [2022-11-26 00:15:40,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:15:40,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:15:40,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:15:40,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:15:40,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:15:40,177 INFO L87 Difference]: Start difference. First operand 2897 states and 3828 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (26), 2 states have call predecessors, (26), 1 states have call successors, (26) [2022-11-26 00:15:43,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:15:43,593 INFO L93 Difference]: Finished difference Result 2905 states and 3832 transitions. [2022-11-26 00:15:43,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:15:43,594 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (26), 2 states have call predecessors, (26), 1 states have call successors, (26) Word has length 180 [2022-11-26 00:15:43,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:15:43,607 INFO L225 Difference]: With dead ends: 2905 [2022-11-26 00:15:43,608 INFO L226 Difference]: Without dead ends: 2903 [2022-11-26 00:15:43,610 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:15:43,610 INFO L413 NwaCegarLoop]: 2008 mSDtfsCounter, 418 mSDsluCounter, 3665 mSDsCounter, 0 mSdLazyCounter, 889 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 5673 SdHoareTripleChecker+Invalid, 889 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 889 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:15:43,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [418 Valid, 5673 Invalid, 889 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 889 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-26 00:15:43,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2903 states. [2022-11-26 00:15:44,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2903 to 2895. [2022-11-26 00:15:44,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2895 states, 1603 states have (on average 1.175296319401123) internal successors, (1884), 1640 states have internal predecessors, (1884), 968 states have call successors, (968), 318 states have call predecessors, (968), 316 states have return successors, (973), 959 states have call predecessors, (973), 966 states have call successors, (973) [2022-11-26 00:15:44,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2895 states to 2895 states and 3825 transitions. [2022-11-26 00:15:44,134 INFO L78 Accepts]: Start accepts. Automaton has 2895 states and 3825 transitions. Word has length 180 [2022-11-26 00:15:44,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:15:44,134 INFO L495 AbstractCegarLoop]: Abstraction has 2895 states and 3825 transitions. [2022-11-26 00:15:44,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (26), 2 states have call predecessors, (26), 1 states have call successors, (26) [2022-11-26 00:15:44,135 INFO L276 IsEmpty]: Start isEmpty. Operand 2895 states and 3825 transitions. [2022-11-26 00:15:44,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-11-26 00:15:44,137 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:15:44,137 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:15:44,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-26 00:15:44,137 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:15:44,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:15:44,138 INFO L85 PathProgramCache]: Analyzing trace with hash -1185768368, now seen corresponding path program 1 times [2022-11-26 00:15:44,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:15:44,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420974492] [2022-11-26 00:15:44,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:15:44,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:15:44,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:15:44,911 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-26 00:15:44,911 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:15:44,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420974492] [2022-11-26 00:15:44,911 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420974492] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:15:44,911 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:15:44,912 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:15:44,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590371891] [2022-11-26 00:15:44,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:15:44,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:15:44,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:15:44,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:15:44,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:15:44,913 INFO L87 Difference]: Start difference. First operand 2895 states and 3825 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-26 00:15:48,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:15:48,083 INFO L93 Difference]: Finished difference Result 4522 states and 5882 transitions. [2022-11-26 00:15:48,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:15:48,084 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 148 [2022-11-26 00:15:48,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:15:48,104 INFO L225 Difference]: With dead ends: 4522 [2022-11-26 00:15:48,104 INFO L226 Difference]: Without dead ends: 4364 [2022-11-26 00:15:48,109 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:15:48,110 INFO L413 NwaCegarLoop]: 2090 mSDtfsCounter, 1358 mSDsluCounter, 3659 mSDsCounter, 0 mSdLazyCounter, 816 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1358 SdHoareTripleChecker+Valid, 5749 SdHoareTripleChecker+Invalid, 816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 816 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:15:48,110 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1358 Valid, 5749 Invalid, 816 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 816 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-26 00:15:48,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4364 states. [2022-11-26 00:15:48,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4364 to 4344. [2022-11-26 00:15:48,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4344 states, 2390 states have (on average 1.1644351464435145) internal successors, (2783), 2438 states have internal predecessors, (2783), 1431 states have call successors, (1431), 520 states have call predecessors, (1431), 515 states have return successors, (1457), 1415 states have call predecessors, (1457), 1427 states have call successors, (1457) [2022-11-26 00:15:48,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4344 states to 4344 states and 5671 transitions. [2022-11-26 00:15:48,970 INFO L78 Accepts]: Start accepts. Automaton has 4344 states and 5671 transitions. Word has length 148 [2022-11-26 00:15:48,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:15:48,971 INFO L495 AbstractCegarLoop]: Abstraction has 4344 states and 5671 transitions. [2022-11-26 00:15:48,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-26 00:15:48,971 INFO L276 IsEmpty]: Start isEmpty. Operand 4344 states and 5671 transitions. [2022-11-26 00:15:48,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-11-26 00:15:48,973 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:15:48,973 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:15:48,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-26 00:15:48,973 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_linux_usb_coherent_usb_free_coherentErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:15:48,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:15:48,974 INFO L85 PathProgramCache]: Analyzing trace with hash -423944539, now seen corresponding path program 1 times [2022-11-26 00:15:48,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:15:48,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439135042] [2022-11-26 00:15:48,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:15:48,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:15:51,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:15:54,840 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 353 trivial. 0 not checked. [2022-11-26 00:15:54,840 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:15:54,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439135042] [2022-11-26 00:15:54,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439135042] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:15:54,841 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:15:54,841 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-26 00:15:54,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453661067] [2022-11-26 00:15:54,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:15:54,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 00:15:54,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:15:54,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 00:15:54,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-11-26 00:15:54,842 INFO L87 Difference]: Start difference. First operand 4344 states and 5671 transitions. Second operand has 12 states, 9 states have (on average 7.333333333333333) internal successors, (66), 11 states have internal predecessors, (66), 6 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (29), 6 states have call predecessors, (29), 6 states have call successors, (29) [2022-11-26 00:16:04,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:16:04,959 INFO L93 Difference]: Finished difference Result 5489 states and 7025 transitions. [2022-11-26 00:16:04,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-26 00:16:04,959 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 7.333333333333333) internal successors, (66), 11 states have internal predecessors, (66), 6 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (29), 6 states have call predecessors, (29), 6 states have call successors, (29) Word has length 196 [2022-11-26 00:16:04,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:16:04,981 INFO L225 Difference]: With dead ends: 5489 [2022-11-26 00:16:04,982 INFO L226 Difference]: Without dead ends: 4344 [2022-11-26 00:16:04,989 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2022-11-26 00:16:04,990 INFO L413 NwaCegarLoop]: 1675 mSDtfsCounter, 30 mSDsluCounter, 16647 mSDsCounter, 0 mSdLazyCounter, 3272 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 18322 SdHoareTripleChecker+Invalid, 3292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 3272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:16:04,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 18322 Invalid, 3292 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [20 Valid, 3272 Invalid, 0 Unknown, 0 Unchecked, 9.2s Time] [2022-11-26 00:16:04,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4344 states. [2022-11-26 00:16:05,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4344 to 4344. [2022-11-26 00:16:05,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4344 states, 2390 states have (on average 1.1640167364016736) internal successors, (2782), 2438 states have internal predecessors, (2782), 1431 states have call successors, (1431), 520 states have call predecessors, (1431), 515 states have return successors, (1457), 1415 states have call predecessors, (1457), 1427 states have call successors, (1457) [2022-11-26 00:16:05,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4344 states to 4344 states and 5670 transitions. [2022-11-26 00:16:05,765 INFO L78 Accepts]: Start accepts. Automaton has 4344 states and 5670 transitions. Word has length 196 [2022-11-26 00:16:05,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:16:05,765 INFO L495 AbstractCegarLoop]: Abstraction has 4344 states and 5670 transitions. [2022-11-26 00:16:05,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 7.333333333333333) internal successors, (66), 11 states have internal predecessors, (66), 6 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (29), 6 states have call predecessors, (29), 6 states have call successors, (29) [2022-11-26 00:16:05,766 INFO L276 IsEmpty]: Start isEmpty. Operand 4344 states and 5670 transitions. [2022-11-26 00:16:05,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-11-26 00:16:05,768 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:16:05,769 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:16:05,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-11-26 00:16:05,769 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_linux_usb_coherent_usb_free_coherentErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:16:05,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:16:05,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1548034580, now seen corresponding path program 1 times [2022-11-26 00:16:05,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:16:05,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298622252] [2022-11-26 00:16:05,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:16:05,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:16:08,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:16:11,960 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 4 proven. 48 refuted. 0 times theorem prover too weak. 387 trivial. 0 not checked. [2022-11-26 00:16:11,961 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:16:11,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298622252] [2022-11-26 00:16:11,961 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298622252] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:16:11,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [380660126] [2022-11-26 00:16:11,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:16:11,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:16:11,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:16:11,967 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:16:11,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 00:16:15,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:16:15,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 8291 conjuncts, 23 conjunts are in the unsatisfiable core [2022-11-26 00:16:15,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:16:15,565 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 401 trivial. 0 not checked. [2022-11-26 00:16:15,565 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:16:15,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [380660126] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:16:15,566 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 00:16:15,566 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [9] total 17 [2022-11-26 00:16:15,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891171889] [2022-11-26 00:16:15,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:16:15,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 00:16:15,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:16:15,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 00:16:15,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=240, Unknown=0, NotChecked=0, Total=272 [2022-11-26 00:16:15,568 INFO L87 Difference]: Start difference. First operand 4344 states and 5670 transitions. Second operand has 12 states, 9 states have (on average 8.444444444444445) internal successors, (76), 11 states have internal predecessors, (76), 7 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (33), 7 states have call predecessors, (33), 7 states have call successors, (33) [2022-11-26 00:16:27,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:16:27,006 INFO L93 Difference]: Finished difference Result 6053 states and 7886 transitions. [2022-11-26 00:16:27,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-26 00:16:27,007 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 8.444444444444445) internal successors, (76), 11 states have internal predecessors, (76), 7 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (33), 7 states have call predecessors, (33), 7 states have call successors, (33) Word has length 217 [2022-11-26 00:16:27,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:16:27,029 INFO L225 Difference]: With dead ends: 6053 [2022-11-26 00:16:27,029 INFO L226 Difference]: Without dead ends: 4614 [2022-11-26 00:16:27,037 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=71, Invalid=435, Unknown=0, NotChecked=0, Total=506 [2022-11-26 00:16:27,038 INFO L413 NwaCegarLoop]: 1838 mSDtfsCounter, 308 mSDsluCounter, 17610 mSDsCounter, 0 mSdLazyCounter, 3401 mSolverCounterSat, 256 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 502 SdHoareTripleChecker+Valid, 19448 SdHoareTripleChecker+Invalid, 3657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 256 IncrementalHoareTripleChecker+Valid, 3401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:16:27,039 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [502 Valid, 19448 Invalid, 3657 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [256 Valid, 3401 Invalid, 0 Unknown, 0 Unchecked, 10.1s Time] [2022-11-26 00:16:27,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4614 states. [2022-11-26 00:16:27,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4614 to 4360. [2022-11-26 00:16:27,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4360 states, 2400 states have (on average 1.1625) internal successors, (2790), 2448 states have internal predecessors, (2790), 1437 states have call successors, (1437), 520 states have call predecessors, (1437), 515 states have return successors, (1463), 1421 states have call predecessors, (1463), 1433 states have call successors, (1463) [2022-11-26 00:16:27,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4360 states to 4360 states and 5690 transitions. [2022-11-26 00:16:27,692 INFO L78 Accepts]: Start accepts. Automaton has 4360 states and 5690 transitions. Word has length 217 [2022-11-26 00:16:27,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:16:27,693 INFO L495 AbstractCegarLoop]: Abstraction has 4360 states and 5690 transitions. [2022-11-26 00:16:27,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 8.444444444444445) internal successors, (76), 11 states have internal predecessors, (76), 7 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (33), 7 states have call predecessors, (33), 7 states have call successors, (33) [2022-11-26 00:16:27,693 INFO L276 IsEmpty]: Start isEmpty. Operand 4360 states and 5690 transitions. [2022-11-26 00:16:27,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-11-26 00:16:27,695 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:16:27,696 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:16:27,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-26 00:16:27,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:16:27,897 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_linux_usb_coherent_usb_free_coherentErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:16:27,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:16:27,897 INFO L85 PathProgramCache]: Analyzing trace with hash -807537452, now seen corresponding path program 1 times [2022-11-26 00:16:27,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:16:27,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007578670] [2022-11-26 00:16:27,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:16:27,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:16:31,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:16:34,288 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 4 proven. 46 refuted. 0 times theorem prover too weak. 337 trivial. 0 not checked. [2022-11-26 00:16:34,289 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:16:34,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007578670] [2022-11-26 00:16:34,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007578670] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:16:34,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1220863152] [2022-11-26 00:16:34,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:16:34,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:16:34,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:16:34,291 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:16:34,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-26 00:16:37,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:16:37,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 8331 conjuncts, 25 conjunts are in the unsatisfiable core [2022-11-26 00:16:37,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:16:37,795 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 353 trivial. 0 not checked. [2022-11-26 00:16:37,796 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:16:37,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1220863152] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:16:37,796 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 00:16:37,796 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [9] total 18 [2022-11-26 00:16:37,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085946120] [2022-11-26 00:16:37,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:16:37,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:16:37,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:16:37,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:16:37,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=272, Unknown=0, NotChecked=0, Total=306 [2022-11-26 00:16:37,798 INFO L87 Difference]: Start difference. First operand 4360 states and 5690 transitions. Second operand has 13 states, 10 states have (on average 8.8) internal successors, (88), 12 states have internal predecessors, (88), 7 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (37), 7 states have call predecessors, (37), 7 states have call successors, (37) [2022-11-26 00:16:48,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:16:48,733 INFO L93 Difference]: Finished difference Result 5518 states and 7065 transitions. [2022-11-26 00:16:48,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-26 00:16:48,734 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 8.8) internal successors, (88), 12 states have internal predecessors, (88), 7 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (37), 7 states have call predecessors, (37), 7 states have call successors, (37) Word has length 234 [2022-11-26 00:16:48,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:16:48,752 INFO L225 Difference]: With dead ends: 5518 [2022-11-26 00:16:48,752 INFO L226 Difference]: Without dead ends: 4369 [2022-11-26 00:16:48,759 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=85, Invalid=515, Unknown=0, NotChecked=0, Total=600 [2022-11-26 00:16:48,759 INFO L413 NwaCegarLoop]: 1681 mSDtfsCounter, 53 mSDsluCounter, 18351 mSDsCounter, 0 mSdLazyCounter, 3570 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 20032 SdHoareTripleChecker+Invalid, 3597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 3570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:16:48,760 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 20032 Invalid, 3597 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [27 Valid, 3570 Invalid, 0 Unknown, 0 Unchecked, 9.9s Time] [2022-11-26 00:16:48,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4369 states. [2022-11-26 00:16:49,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4369 to 4360. [2022-11-26 00:16:49,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4360 states, 2400 states have (on average 1.1608333333333334) internal successors, (2786), 2445 states have internal predecessors, (2786), 1437 states have call successors, (1437), 520 states have call predecessors, (1437), 515 states have return successors, (1463), 1421 states have call predecessors, (1463), 1433 states have call successors, (1463) [2022-11-26 00:16:49,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4360 states to 4360 states and 5686 transitions. [2022-11-26 00:16:49,570 INFO L78 Accepts]: Start accepts. Automaton has 4360 states and 5686 transitions. Word has length 234 [2022-11-26 00:16:49,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:16:49,571 INFO L495 AbstractCegarLoop]: Abstraction has 4360 states and 5686 transitions. [2022-11-26 00:16:49,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 8.8) internal successors, (88), 12 states have internal predecessors, (88), 7 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (37), 7 states have call predecessors, (37), 7 states have call successors, (37) [2022-11-26 00:16:49,571 INFO L276 IsEmpty]: Start isEmpty. Operand 4360 states and 5686 transitions. [2022-11-26 00:16:49,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2022-11-26 00:16:49,575 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:16:49,575 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 8, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:16:49,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-26 00:16:49,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:16:49,783 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:16:49,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:16:49,784 INFO L85 PathProgramCache]: Analyzing trace with hash 710774519, now seen corresponding path program 1 times [2022-11-26 00:16:49,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:16:49,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384466291] [2022-11-26 00:16:49,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:16:49,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:16:50,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:16:51,739 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2022-11-26 00:16:51,740 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:16:51,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384466291] [2022-11-26 00:16:51,740 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384466291] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:16:51,740 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:16:51,740 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:16:51,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965841452] [2022-11-26 00:16:51,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:16:51,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:16:51,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:16:51,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:16:51,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:16:51,743 INFO L87 Difference]: Start difference. First operand 4360 states and 5686 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (56), 3 states have call predecessors, (56), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-11-26 00:16:55,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:16:55,098 INFO L93 Difference]: Finished difference Result 4410 states and 5722 transitions. [2022-11-26 00:16:55,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:16:55,099 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (56), 3 states have call predecessors, (56), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 284 [2022-11-26 00:16:55,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:16:55,118 INFO L225 Difference]: With dead ends: 4410 [2022-11-26 00:16:55,118 INFO L226 Difference]: Without dead ends: 4408 [2022-11-26 00:16:55,122 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:16:55,122 INFO L413 NwaCegarLoop]: 1700 mSDtfsCounter, 1853 mSDsluCounter, 3415 mSDsCounter, 0 mSdLazyCounter, 794 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1855 SdHoareTripleChecker+Valid, 5115 SdHoareTripleChecker+Invalid, 796 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 794 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:16:55,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1855 Valid, 5115 Invalid, 796 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 794 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-26 00:16:55,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4408 states. [2022-11-26 00:16:55,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4408 to 4406. [2022-11-26 00:16:55,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4406 states, 2430 states have (on average 1.1580246913580248) internal successors, (2814), 2475 states have internal predecessors, (2814), 1437 states have call successors, (1437), 536 states have call predecessors, (1437), 531 states have return successors, (1463), 1421 states have call predecessors, (1463), 1433 states have call successors, (1463) [2022-11-26 00:16:55,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4406 states to 4406 states and 5714 transitions. [2022-11-26 00:16:55,872 INFO L78 Accepts]: Start accepts. Automaton has 4406 states and 5714 transitions. Word has length 284 [2022-11-26 00:16:55,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:16:55,872 INFO L495 AbstractCegarLoop]: Abstraction has 4406 states and 5714 transitions. [2022-11-26 00:16:55,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (56), 3 states have call predecessors, (56), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-11-26 00:16:55,873 INFO L276 IsEmpty]: Start isEmpty. Operand 4406 states and 5714 transitions. [2022-11-26 00:16:55,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2022-11-26 00:16:55,876 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:16:55,877 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:16:55,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-11-26 00:16:55,877 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_linux_usb_coherent_usb_free_coherentErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:16:55,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:16:55,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1836020652, now seen corresponding path program 1 times [2022-11-26 00:16:55,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:16:55,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528659185] [2022-11-26 00:16:55,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:16:55,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:16:56,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:16:58,472 INFO L134 CoverageAnalysis]: Checked inductivity of 517 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 505 trivial. 0 not checked. [2022-11-26 00:16:58,472 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:16:58,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528659185] [2022-11-26 00:16:58,472 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528659185] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:16:58,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [453245622] [2022-11-26 00:16:58,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:16:58,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:16:58,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:16:58,475 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:16:58,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-26 00:17:01,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:17:01,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 8805 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-26 00:17:01,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:17:02,210 INFO L134 CoverageAnalysis]: Checked inductivity of 517 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 479 trivial. 0 not checked. [2022-11-26 00:17:02,210 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:17:02,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [453245622] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:17:02,211 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 00:17:02,211 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [8] total 19 [2022-11-26 00:17:02,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701460642] [2022-11-26 00:17:02,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:17:02,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-26 00:17:02,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:17:02,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-26 00:17:02,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2022-11-26 00:17:02,213 INFO L87 Difference]: Start difference. First operand 4406 states and 5714 transitions. Second operand has 13 states, 10 states have (on average 10.6) internal successors, (106), 12 states have internal predecessors, (106), 7 states have call successors, (51), 2 states have call predecessors, (51), 4 states have return successors, (48), 7 states have call predecessors, (48), 7 states have call successors, (48) [2022-11-26 00:17:12,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:17:12,811 INFO L93 Difference]: Finished difference Result 5685 states and 7287 transitions. [2022-11-26 00:17:12,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-26 00:17:12,811 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 10.6) internal successors, (106), 12 states have internal predecessors, (106), 7 states have call successors, (51), 2 states have call predecessors, (51), 4 states have return successors, (48), 7 states have call predecessors, (48), 7 states have call successors, (48) Word has length 344 [2022-11-26 00:17:12,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:17:12,823 INFO L225 Difference]: With dead ends: 5685 [2022-11-26 00:17:12,824 INFO L226 Difference]: Without dead ends: 4432 [2022-11-26 00:17:12,829 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 335 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=86, Invalid=564, Unknown=0, NotChecked=0, Total=650 [2022-11-26 00:17:12,830 INFO L413 NwaCegarLoop]: 1717 mSDtfsCounter, 62 mSDsluCounter, 18707 mSDsCounter, 0 mSdLazyCounter, 3595 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 20424 SdHoareTripleChecker+Invalid, 3624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 3595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:17:12,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 20424 Invalid, 3624 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [29 Valid, 3595 Invalid, 0 Unknown, 0 Unchecked, 9.4s Time] [2022-11-26 00:17:12,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4432 states. [2022-11-26 00:17:13,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4432 to 4324. [2022-11-26 00:17:13,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4324 states, 2383 states have (on average 1.1582039446076375) internal successors, (2760), 2428 states have internal predecessors, (2760), 1414 states have call successors, (1414), 524 states have call predecessors, (1414), 519 states have return successors, (1440), 1398 states have call predecessors, (1440), 1410 states have call successors, (1440) [2022-11-26 00:17:13,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4324 states to 4324 states and 5614 transitions. [2022-11-26 00:17:13,526 INFO L78 Accepts]: Start accepts. Automaton has 4324 states and 5614 transitions. Word has length 344 [2022-11-26 00:17:13,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:17:13,526 INFO L495 AbstractCegarLoop]: Abstraction has 4324 states and 5614 transitions. [2022-11-26 00:17:13,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 10.6) internal successors, (106), 12 states have internal predecessors, (106), 7 states have call successors, (51), 2 states have call predecessors, (51), 4 states have return successors, (48), 7 states have call predecessors, (48), 7 states have call successors, (48) [2022-11-26 00:17:13,527 INFO L276 IsEmpty]: Start isEmpty. Operand 4324 states and 5614 transitions. [2022-11-26 00:17:13,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2022-11-26 00:17:13,529 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:17:13,530 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:17:13,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-26 00:17:13,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2022-11-26 00:17:13,735 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ar5523_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:17:13,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:17:13,736 INFO L85 PathProgramCache]: Analyzing trace with hash -33245845, now seen corresponding path program 1 times [2022-11-26 00:17:13,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:17:13,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042167386] [2022-11-26 00:17:13,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:17:13,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:17:15,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:17:16,511 INFO L134 CoverageAnalysis]: Checked inductivity of 1347 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1347 trivial. 0 not checked. [2022-11-26 00:17:16,511 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:17:16,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042167386] [2022-11-26 00:17:16,512 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042167386] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:17:16,512 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:17:16,512 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:17:16,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999664900] [2022-11-26 00:17:16,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:17:16,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:17:16,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:17:16,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:17:16,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:17:16,514 INFO L87 Difference]: Start difference. First operand 4324 states and 5614 transitions. Second operand has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (44), 1 states have call predecessors, (44), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2022-11-26 00:17:20,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:17:20,206 INFO L93 Difference]: Finished difference Result 8614 states and 11459 transitions. [2022-11-26 00:17:20,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:17:20,207 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (44), 1 states have call predecessors, (44), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 324 [2022-11-26 00:17:20,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:17:20,225 INFO L225 Difference]: With dead ends: 8614 [2022-11-26 00:17:20,225 INFO L226 Difference]: Without dead ends: 4356 [2022-11-26 00:17:20,243 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:17:20,244 INFO L413 NwaCegarLoop]: 1627 mSDtfsCounter, 5 mSDsluCounter, 3246 mSDsCounter, 0 mSdLazyCounter, 776 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 4873 SdHoareTripleChecker+Invalid, 780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 776 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:17:20,244 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 4873 Invalid, 780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 776 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-11-26 00:17:20,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4356 states. [2022-11-26 00:17:20,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4356 to 4346. [2022-11-26 00:17:20,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4346 states, 2400 states have (on average 1.16125) internal successors, (2787), 2445 states have internal predecessors, (2787), 1414 states have call successors, (1414), 529 states have call predecessors, (1414), 524 states have return successors, (1440), 1398 states have call predecessors, (1440), 1410 states have call successors, (1440) [2022-11-26 00:17:20,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4346 states to 4346 states and 5641 transitions. [2022-11-26 00:17:20,940 INFO L78 Accepts]: Start accepts. Automaton has 4346 states and 5641 transitions. Word has length 324 [2022-11-26 00:17:20,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:17:20,941 INFO L495 AbstractCegarLoop]: Abstraction has 4346 states and 5641 transitions. [2022-11-26 00:17:20,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (44), 1 states have call predecessors, (44), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2022-11-26 00:17:20,942 INFO L276 IsEmpty]: Start isEmpty. Operand 4346 states and 5641 transitions. [2022-11-26 00:17:20,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2022-11-26 00:17:20,945 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:17:20,945 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:17:20,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-11-26 00:17:20,946 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ar5523_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-11-26 00:17:20,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:17:20,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1465886812, now seen corresponding path program 1 times [2022-11-26 00:17:20,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:17:20,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476693325] [2022-11-26 00:17:20,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:17:20,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:17:22,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:17:23,988 INFO L134 CoverageAnalysis]: Checked inductivity of 1348 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1347 trivial. 0 not checked. [2022-11-26 00:17:23,988 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:17:23,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476693325] [2022-11-26 00:17:23,989 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476693325] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:17:23,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1355266385] [2022-11-26 00:17:23,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:17:23,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:17:23,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:17:23,991 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:17:24,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd4cfb4e-a5b9-48a9-ad70-5f13fc364962/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-26 00:17:30,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:17:30,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 9118 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-26 00:17:30,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:17:30,497 INFO L134 CoverageAnalysis]: Checked inductivity of 1348 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1345 trivial. 0 not checked. [2022-11-26 00:17:30,498 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:17:30,970 INFO L134 CoverageAnalysis]: Checked inductivity of 1348 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1347 trivial. 0 not checked. [2022-11-26 00:17:30,971 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1355266385] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:17:30,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [120104526] [2022-11-26 00:17:31,003 INFO L159 IcfgInterpreter]: Started Sifa with 154 locations of interest [2022-11-26 00:17:31,004 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:17:31,008 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:17:31,013 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:17:31,014 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:18:00,540 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1596 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 174 treesize of output 286 [2022-11-26 00:18:01,710 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1596 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 174 treesize of output 286 [2022-11-26 00:18:04,165 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1596 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 174 treesize of output 286 [2022-11-26 00:18:06,226 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1596 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 174 treesize of output 286 [2022-11-26 00:18:07,660 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1596 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 174 treesize of output 286 [2022-11-26 00:18:09,275 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1596 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 174 treesize of output 286 [2022-11-26 00:18:11,577 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1596 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 174 treesize of output 286 [2022-11-26 00:18:15,266 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1596 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 174 treesize of output 286 [2022-11-26 00:18:17,247 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1596 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 174 treesize of output 286 [2022-11-26 00:18:19,782 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1596 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 174 treesize of output 286 [2022-11-26 00:18:22,321 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1596 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 174 treesize of output 286 [2022-11-26 00:18:23,762 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1596 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 174 treesize of output 286 [2022-11-26 00:18:25,802 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1596 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 174 treesize of output 286 [2022-11-26 00:21:00,391 WARN L233 SmtUtils]: Spent 8.28s on a formula simplification that was a NOOP. DAG size: 8771 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-11-26 00:21:08,708 WARN L233 SmtUtils]: Spent 8.27s on a formula simplification that was a NOOP. DAG size: 8771 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-11-26 00:21:17,988 WARN L233 SmtUtils]: Spent 9.17s on a formula simplification. DAG size of input: 8912 DAG size of output: 8771 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-11-26 00:21:26,502 WARN L233 SmtUtils]: Spent 8.38s on a formula simplification that was a NOOP. DAG size: 8771 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-11-26 00:21:35,115 WARN L233 SmtUtils]: Spent 8.58s on a formula simplification that was a NOOP. DAG size: 8771 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-11-26 00:21:44,387 WARN L233 SmtUtils]: Spent 9.24s on a formula simplification. DAG size of input: 8912 DAG size of output: 8771 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-11-26 00:25:07,425 WARN L233 SmtUtils]: Spent 9.01s on a formula simplification that was a NOOP. DAG size: 8884 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-11-26 00:25:17,109 WARN L233 SmtUtils]: Spent 9.66s on a formula simplification that was a NOOP. DAG size: 8884 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-11-26 00:25:26,975 WARN L233 SmtUtils]: Spent 9.74s on a formula simplification. DAG size of input: 9090 DAG size of output: 8941 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-11-26 00:25:36,115 WARN L233 SmtUtils]: Spent 9.08s on a formula simplification that was a NOOP. DAG size: 8884 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-11-26 00:25:45,086 WARN L233 SmtUtils]: Spent 8.95s on a formula simplification that was a NOOP. DAG size: 8884 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-11-26 00:25:55,627 WARN L233 SmtUtils]: Spent 10.49s on a formula simplification. DAG size of input: 9090 DAG size of output: 8941 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm)