./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--usb--gadget--udc--net2272.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d9035b4ec3c8be0c8a62b9c4cf3880a262fca73149d78c2d88c8226ff5942d9e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 12:27:43,682 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 12:27:43,684 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 12:27:43,696 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 12:27:43,697 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 12:27:43,697 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 12:27:43,698 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 12:27:43,699 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 12:27:43,700 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 12:27:43,701 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 12:27:43,702 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 12:27:43,702 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 12:27:43,703 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 12:27:43,703 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 12:27:43,704 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 12:27:43,705 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 12:27:43,705 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 12:27:43,706 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 12:27:43,707 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 12:27:43,708 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 12:27:43,709 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 12:27:43,710 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 12:27:43,711 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 12:27:43,712 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 12:27:43,714 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 12:27:43,714 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 12:27:43,715 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 12:27:43,715 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 12:27:43,715 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 12:27:43,716 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 12:27:43,716 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 12:27:43,717 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 12:27:43,717 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 12:27:43,718 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 12:27:43,719 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 12:27:43,719 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 12:27:43,719 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 12:27:43,719 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 12:27:43,719 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 12:27:43,720 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 12:27:43,721 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 12:27:43,721 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 12:27:43,737 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 12:27:43,737 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 12:27:43,737 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 12:27:43,737 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 12:27:43,738 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 12:27:43,738 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 12:27:43,738 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 12:27:43,738 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 12:27:43,738 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 12:27:43,738 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 12:27:43,739 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 12:27:43,739 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 12:27:43,739 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 12:27:43,739 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 12:27:43,739 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 12:27:43,739 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 12:27:43,739 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 12:27:43,739 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 12:27:43,740 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 12:27:43,740 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 12:27:43,740 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 12:27:43,740 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 12:27:43,740 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 12:27:43,740 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 12:27:43,741 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 12:27:43,741 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 12:27:43,741 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 12:27:43,741 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 12:27:43,741 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 12:27:43,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:27:43,741 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 12:27:43,741 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 12:27:43,742 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 12:27:43,742 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 12:27:43,742 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 12:27:43,742 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 12:27:43,742 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 12:27:43,742 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 12:27:43,742 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_27222f2a-807d-4b0e-a6a2-b6544e84376d/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d9035b4ec3c8be0c8a62b9c4cf3880a262fca73149d78c2d88c8226ff5942d9e [2022-12-14 12:27:43,903 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 12:27:43,919 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 12:27:43,921 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 12:27:43,922 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 12:27:43,923 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 12:27:43,924 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i [2022-12-14 12:27:46,462 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 12:27:46,804 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 12:27:46,804 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i [2022-12-14 12:27:46,834 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/bin/utaipan-gh47qXpMRh/data/0f580fc7f/d77d2dce722f4f509e3559eeff7b4242/FLAGef662bc6d [2022-12-14 12:27:46,848 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/bin/utaipan-gh47qXpMRh/data/0f580fc7f/d77d2dce722f4f509e3559eeff7b4242 [2022-12-14 12:27:46,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 12:27:46,852 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 12:27:46,853 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 12:27:46,853 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 12:27:46,857 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 12:27:46,857 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:27:46" (1/1) ... [2022-12-14 12:27:46,858 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e40246f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:27:46, skipping insertion in model container [2022-12-14 12:27:46,858 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:27:46" (1/1) ... [2022-12-14 12:27:46,866 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 12:27:47,010 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 12:27:47,808 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 12:27:47,817 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-14 12:27:47,933 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 12:27:47,941 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 12:27:47,949 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 12:27:48,100 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 12:27:48,221 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 12:27:48,265 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 12:27:48,285 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 12:27:48,285 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:27:48,290 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_unmap_request [2022-12-14 12:27:48,290 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_giveback_request [2022-12-14 12:27:48,318 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 12:27:48,355 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_map_request [2022-12-14 12:27:48,357 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 12:27:48,367 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 12:27:48,416 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-12-14 12:27:48,417 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-12-14 12:27:48,421 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-12-14 12:27:48,422 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-12-14 12:27:48,426 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-12-14 12:27:48,428 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-12-14 12:27:48,429 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-12-14 12:27:48,482 WARN L623 FunctionHandler]: Unknown extern function usb_speed_string [2022-12-14 12:27:48,483 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 12:27:48,491 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 12:27:48,497 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 12:27:48,499 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 12:27:48,499 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_udc_reset [2022-12-14 12:27:48,502 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 12:27:48,503 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 12:27:48,512 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 12:27:48,514 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 12:27:48,515 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 12:27:48,516 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 12:27:48,517 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 12:27:48,521 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:27:48,525 WARN L623 FunctionHandler]: Unknown extern function usb_del_gadget_udc [2022-12-14 12:27:48,525 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-12-14 12:27:48,526 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 12:27:48,530 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 12:27:48,531 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 12:27:48,535 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 12:27:48,536 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 12:27:48,537 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 12:27:48,537 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 12:27:48,537 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 12:27:48,538 WARN L623 FunctionHandler]: Unknown extern function device_create_file [2022-12-14 12:27:48,538 WARN L623 FunctionHandler]: Unknown extern function usb_add_gadget_udc_release [2022-12-14 12:27:48,538 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-12-14 12:27:48,543 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-14 12:27:48,544 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 12:27:48,545 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-14 12:27:48,546 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 12:27:48,548 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 12:27:48,548 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-14 12:27:48,553 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-14 12:27:48,554 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 12:27:48,555 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-14 12:27:48,555 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 12:27:48,556 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 12:27:48,557 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 12:27:48,557 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-14 12:27:48,562 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 12:27:48,562 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 12:27:48,563 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 12:27:48,563 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:27:48,567 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-14 12:27:48,572 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-14 12:27:48,577 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 12:27:48,577 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:27:48,589 WARN L623 FunctionHandler]: Unknown extern function platform_get_resource [2022-12-14 12:27:48,589 WARN L623 FunctionHandler]: Unknown extern function platform_get_resource [2022-12-14 12:27:48,589 WARN L623 FunctionHandler]: Unknown extern function platform_get_resource [2022-12-14 12:27:48,589 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 12:27:48,591 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-14 12:27:48,592 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 12:27:48,593 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 12:27:48,593 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 12:27:48,594 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-14 12:27:48,598 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-14 12:27:48,598 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:27:48,907 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 12:27:48,907 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 12:27:48,908 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 12:27:48,908 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 12:27:48,908 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 12:27:48,909 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 12:27:48,909 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 12:27:48,909 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 12:27:48,910 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 12:27:48,910 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 12:27:48,910 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 12:27:48,911 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 12:27:48,912 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 12:27:48,913 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 12:27:48,914 WARN L623 FunctionHandler]: Unknown extern function __platform_driver_register [2022-12-14 12:27:48,914 WARN L623 FunctionHandler]: Unknown extern function platform_driver_unregister [2022-12-14 12:27:48,915 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 12:27:48,915 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 12:27:48,916 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 12:27:49,323 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 12:27:49,476 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 12:27:49,870 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[374560,374573] [2022-12-14 12:27:49,873 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[374705,374718] [2022-12-14 12:27:49,874 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[374851,374864] [2022-12-14 12:27:49,874 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[375016,375029] [2022-12-14 12:27:49,874 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[375174,375187] [2022-12-14 12:27:49,875 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[375332,375345] [2022-12-14 12:27:49,875 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[375490,375503] [2022-12-14 12:27:49,875 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[375650,375663] [2022-12-14 12:27:49,875 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[375809,375822] [2022-12-14 12:27:49,876 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[375948,375961] [2022-12-14 12:27:49,876 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[376090,376103] [2022-12-14 12:27:49,876 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[376239,376252] [2022-12-14 12:27:49,876 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[376378,376391] [2022-12-14 12:27:49,877 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[376533,376546] [2022-12-14 12:27:49,877 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[376693,376706] [2022-12-14 12:27:49,877 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[376844,376857] [2022-12-14 12:27:49,878 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[376995,377008] [2022-12-14 12:27:49,878 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[377147,377160] [2022-12-14 12:27:49,878 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[377296,377309] [2022-12-14 12:27:49,879 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[377444,377457] [2022-12-14 12:27:49,879 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[377601,377614] [2022-12-14 12:27:49,879 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[377750,377763] [2022-12-14 12:27:49,880 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[377906,377919] [2022-12-14 12:27:49,880 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[378059,378072] [2022-12-14 12:27:49,880 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[378205,378218] [2022-12-14 12:27:49,880 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[378348,378361] [2022-12-14 12:27:49,881 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[378500,378513] [2022-12-14 12:27:49,881 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[378646,378659] [2022-12-14 12:27:49,882 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[378791,378804] [2022-12-14 12:27:49,882 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[378945,378958] [2022-12-14 12:27:49,882 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[379096,379109] [2022-12-14 12:27:49,883 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[379251,379264] [2022-12-14 12:27:49,883 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[379403,379416] [2022-12-14 12:27:49,883 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[379558,379571] [2022-12-14 12:27:49,883 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[379722,379735] [2022-12-14 12:27:49,884 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[379878,379891] [2022-12-14 12:27:49,884 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[380042,380055] [2022-12-14 12:27:49,884 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[380184,380197] [2022-12-14 12:27:49,884 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[380342,380355] [2022-12-14 12:27:49,885 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[380509,380522] [2022-12-14 12:27:49,885 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[380668,380681] [2022-12-14 12:27:49,885 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[380827,380840] [2022-12-14 12:27:49,886 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[380976,380989] [2022-12-14 12:27:49,886 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[381123,381136] [2022-12-14 12:27:49,886 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[381262,381275] [2022-12-14 12:27:49,887 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[381425,381438] [2022-12-14 12:27:49,887 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[381591,381604] [2022-12-14 12:27:49,887 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[381755,381768] [2022-12-14 12:27:49,887 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[381920,381933] [2022-12-14 12:27:49,888 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[382085,382098] [2022-12-14 12:27:49,888 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[382251,382264] [2022-12-14 12:27:49,888 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[382416,382429] [2022-12-14 12:27:49,888 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[382583,382596] [2022-12-14 12:27:49,889 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[382743,382756] [2022-12-14 12:27:49,889 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[382905,382918] [2022-12-14 12:27:49,889 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[383064,383077] [2022-12-14 12:27:49,889 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[383210,383223] [2022-12-14 12:27:49,890 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[383353,383366] [2022-12-14 12:27:49,890 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[383497,383510] [2022-12-14 12:27:49,890 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[383640,383653] [2022-12-14 12:27:49,891 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[383784,383797] [2022-12-14 12:27:49,891 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[383925,383938] [2022-12-14 12:27:49,891 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[384063,384076] [2022-12-14 12:27:49,892 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[384221,384234] [2022-12-14 12:27:49,892 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[384380,384393] [2022-12-14 12:27:49,892 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[384536,384549] [2022-12-14 12:27:49,892 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[384685,384698] [2022-12-14 12:27:49,893 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[384837,384850] [2022-12-14 12:27:49,893 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[384988,385001] [2022-12-14 12:27:49,893 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[385137,385150] [2022-12-14 12:27:49,893 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[385289,385302] [2022-12-14 12:27:49,894 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[385437,385450] [2022-12-14 12:27:49,894 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[385590,385603] [2022-12-14 12:27:49,894 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[385741,385754] [2022-12-14 12:27:49,895 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[385891,385904] [2022-12-14 12:27:49,895 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[386038,386051] [2022-12-14 12:27:49,895 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[386189,386202] [2022-12-14 12:27:49,896 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[386340,386353] [2022-12-14 12:27:49,896 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[386488,386501] [2022-12-14 12:27:49,896 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[386654,386667] [2022-12-14 12:27:49,896 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[386823,386836] [2022-12-14 12:27:49,897 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[386990,387003] [2022-12-14 12:27:49,897 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[387158,387171] [2022-12-14 12:27:49,897 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[387308,387321] [2022-12-14 12:27:49,898 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[387455,387468] [2022-12-14 12:27:49,898 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[387616,387629] [2022-12-14 12:27:49,898 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[387786,387799] [2022-12-14 12:27:49,899 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[387948,387961] [2022-12-14 12:27:49,901 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:27:49,917 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 12:27:49,967 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 12:27:49,967 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-14 12:27:49,969 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 12:27:49,969 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 12:27:49,970 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 12:27:49,972 WARN L623 FunctionHandler]: Unknown extern function request_threaded_irq [2022-12-14 12:27:49,979 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 12:27:49,987 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 12:27:49,990 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 12:27:49,991 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:27:49,992 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_unmap_request [2022-12-14 12:27:49,992 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_giveback_request [2022-12-14 12:27:50,001 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 12:27:50,014 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_map_request [2022-12-14 12:27:50,016 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 12:27:50,019 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 12:27:50,026 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-12-14 12:27:50,027 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-12-14 12:27:50,029 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-12-14 12:27:50,029 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-12-14 12:27:50,031 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-12-14 12:27:50,033 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-12-14 12:27:50,033 WARN L623 FunctionHandler]: Unknown extern function scnprintf [2022-12-14 12:27:50,065 WARN L623 FunctionHandler]: Unknown extern function usb_speed_string [2022-12-14 12:27:50,065 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 12:27:50,073 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 12:27:50,075 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 12:27:50,076 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 12:27:50,077 WARN L623 FunctionHandler]: Unknown extern function usb_gadget_udc_reset [2022-12-14 12:27:50,079 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 12:27:50,081 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 12:27:50,083 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 12:27:50,084 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 12:27:50,085 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 12:27:50,087 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 12:27:50,087 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 12:27:50,088 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:27:50,088 WARN L623 FunctionHandler]: Unknown extern function usb_del_gadget_udc [2022-12-14 12:27:50,089 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-12-14 12:27:50,089 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 12:27:50,090 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 12:27:50,091 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 12:27:50,091 WARN L623 FunctionHandler]: Unknown extern function dev_warn [2022-12-14 12:27:50,092 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 12:27:50,092 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 12:27:50,093 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 12:27:50,093 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 12:27:50,093 WARN L623 FunctionHandler]: Unknown extern function device_create_file [2022-12-14 12:27:50,094 WARN L623 FunctionHandler]: Unknown extern function usb_add_gadget_udc_release [2022-12-14 12:27:50,094 WARN L623 FunctionHandler]: Unknown extern function device_remove_file [2022-12-14 12:27:50,095 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-14 12:27:50,096 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 12:27:50,097 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-14 12:27:50,098 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 12:27:50,099 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 12:27:50,100 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-14 12:27:50,101 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-14 12:27:50,102 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 12:27:50,103 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-14 12:27:50,104 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 12:27:50,104 WARN L623 FunctionHandler]: Unknown extern function __const_udelay [2022-12-14 12:27:50,105 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 12:27:50,105 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-14 12:27:50,107 WARN L623 FunctionHandler]: Unknown extern function pci_enable_device [2022-12-14 12:27:50,107 WARN L623 FunctionHandler]: Unknown extern function pci_set_master [2022-12-14 12:27:50,108 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 12:27:50,108 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:27:50,109 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-14 12:27:50,110 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-14 12:27:50,111 WARN L623 FunctionHandler]: Unknown extern function pci_disable_device [2022-12-14 12:27:50,111 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:27:50,112 WARN L623 FunctionHandler]: Unknown extern function platform_get_resource [2022-12-14 12:27:50,113 WARN L623 FunctionHandler]: Unknown extern function platform_get_resource [2022-12-14 12:27:50,113 WARN L623 FunctionHandler]: Unknown extern function platform_get_resource [2022-12-14 12:27:50,113 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 12:27:50,114 WARN L623 FunctionHandler]: Unknown extern function __request_region [2022-12-14 12:27:50,115 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 12:27:50,116 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 12:27:50,117 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 12:27:50,118 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-14 12:27:50,118 WARN L623 FunctionHandler]: Unknown extern function __release_region [2022-12-14 12:27:50,119 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 12:27:50,156 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 12:27:50,157 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 12:27:50,157 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 12:27:50,157 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 12:27:50,157 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 12:27:50,158 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 12:27:50,158 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 12:27:50,158 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 12:27:50,158 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 12:27:50,158 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 12:27:50,158 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 12:27:50,159 WARN L623 FunctionHandler]: Unknown extern function free_irq [2022-12-14 12:27:50,160 WARN L623 FunctionHandler]: Unknown extern function __pci_register_driver [2022-12-14 12:27:50,160 WARN L623 FunctionHandler]: Unknown extern function pci_unregister_driver [2022-12-14 12:27:50,160 WARN L623 FunctionHandler]: Unknown extern function __platform_driver_register [2022-12-14 12:27:50,160 WARN L623 FunctionHandler]: Unknown extern function platform_driver_unregister [2022-12-14 12:27:50,161 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 12:27:50,161 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 12:27:50,161 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 12:27:50,172 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 12:27:50,177 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 12:27:50,189 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[374560,374573] [2022-12-14 12:27:50,190 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[374705,374718] [2022-12-14 12:27:50,190 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[374851,374864] [2022-12-14 12:27:50,190 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[375016,375029] [2022-12-14 12:27:50,191 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[375174,375187] [2022-12-14 12:27:50,191 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[375332,375345] [2022-12-14 12:27:50,191 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[375490,375503] [2022-12-14 12:27:50,191 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[375650,375663] [2022-12-14 12:27:50,191 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[375809,375822] [2022-12-14 12:27:50,192 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[375948,375961] [2022-12-14 12:27:50,192 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[376090,376103] [2022-12-14 12:27:50,192 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[376239,376252] [2022-12-14 12:27:50,192 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[376378,376391] [2022-12-14 12:27:50,192 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[376533,376546] [2022-12-14 12:27:50,193 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[376693,376706] [2022-12-14 12:27:50,193 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[376844,376857] [2022-12-14 12:27:50,193 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[376995,377008] [2022-12-14 12:27:50,193 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[377147,377160] [2022-12-14 12:27:50,193 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[377296,377309] [2022-12-14 12:27:50,194 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[377444,377457] [2022-12-14 12:27:50,194 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[377601,377614] [2022-12-14 12:27:50,194 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[377750,377763] [2022-12-14 12:27:50,194 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[377906,377919] [2022-12-14 12:27:50,194 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[378059,378072] [2022-12-14 12:27:50,195 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[378205,378218] [2022-12-14 12:27:50,195 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[378348,378361] [2022-12-14 12:27:50,195 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[378500,378513] [2022-12-14 12:27:50,195 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[378646,378659] [2022-12-14 12:27:50,196 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[378791,378804] [2022-12-14 12:27:50,196 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[378945,378958] [2022-12-14 12:27:50,196 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[379096,379109] [2022-12-14 12:27:50,196 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[379251,379264] [2022-12-14 12:27:50,196 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[379403,379416] [2022-12-14 12:27:50,197 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[379558,379571] [2022-12-14 12:27:50,197 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[379722,379735] [2022-12-14 12:27:50,197 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[379878,379891] [2022-12-14 12:27:50,197 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[380042,380055] [2022-12-14 12:27:50,197 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[380184,380197] [2022-12-14 12:27:50,198 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[380342,380355] [2022-12-14 12:27:50,198 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[380509,380522] [2022-12-14 12:27:50,198 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[380668,380681] [2022-12-14 12:27:50,198 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[380827,380840] [2022-12-14 12:27:50,198 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[380976,380989] [2022-12-14 12:27:50,199 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[381123,381136] [2022-12-14 12:27:50,199 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[381262,381275] [2022-12-14 12:27:50,199 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[381425,381438] [2022-12-14 12:27:50,199 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[381591,381604] [2022-12-14 12:27:50,199 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[381755,381768] [2022-12-14 12:27:50,200 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[381920,381933] [2022-12-14 12:27:50,200 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[382085,382098] [2022-12-14 12:27:50,200 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[382251,382264] [2022-12-14 12:27:50,200 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[382416,382429] [2022-12-14 12:27:50,200 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[382583,382596] [2022-12-14 12:27:50,201 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[382743,382756] [2022-12-14 12:27:50,201 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[382905,382918] [2022-12-14 12:27:50,201 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[383064,383077] [2022-12-14 12:27:50,201 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[383210,383223] [2022-12-14 12:27:50,201 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[383353,383366] [2022-12-14 12:27:50,202 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[383497,383510] [2022-12-14 12:27:50,202 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[383640,383653] [2022-12-14 12:27:50,202 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[383784,383797] [2022-12-14 12:27:50,202 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[383925,383938] [2022-12-14 12:27:50,203 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[384063,384076] [2022-12-14 12:27:50,203 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[384221,384234] [2022-12-14 12:27:50,203 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[384380,384393] [2022-12-14 12:27:50,203 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[384536,384549] [2022-12-14 12:27:50,203 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[384685,384698] [2022-12-14 12:27:50,204 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[384837,384850] [2022-12-14 12:27:50,204 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[384988,385001] [2022-12-14 12:27:50,204 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[385137,385150] [2022-12-14 12:27:50,204 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[385289,385302] [2022-12-14 12:27:50,204 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[385437,385450] [2022-12-14 12:27:50,205 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[385590,385603] [2022-12-14 12:27:50,205 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[385741,385754] [2022-12-14 12:27:50,205 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[385891,385904] [2022-12-14 12:27:50,205 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[386038,386051] [2022-12-14 12:27:50,205 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[386189,386202] [2022-12-14 12:27:50,206 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[386340,386353] [2022-12-14 12:27:50,206 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[386488,386501] [2022-12-14 12:27:50,206 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[386654,386667] [2022-12-14 12:27:50,206 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[386823,386836] [2022-12-14 12:27:50,207 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[386990,387003] [2022-12-14 12:27:50,207 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[387158,387171] [2022-12-14 12:27:50,207 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[387308,387321] [2022-12-14 12:27:50,207 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[387455,387468] [2022-12-14 12:27:50,207 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[387616,387629] [2022-12-14 12:27:50,208 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[387786,387799] [2022-12-14 12:27:50,208 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[387948,387961] [2022-12-14 12:27:50,210 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:27:50,326 INFO L208 MainTranslator]: Completed translation [2022-12-14 12:27:50,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:27:50 WrapperNode [2022-12-14 12:27:50,327 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 12:27:50,328 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 12:27:50,328 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 12:27:50,328 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 12:27:50,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:27:50" (1/1) ... [2022-12-14 12:27:50,392 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:27:50" (1/1) ... [2022-12-14 12:27:50,534 INFO L138 Inliner]: procedures = 640, calls = 3018, calls flagged for inlining = 295, calls inlined = 219, statements flattened = 6490 [2022-12-14 12:27:50,535 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 12:27:50,535 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 12:27:50,535 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 12:27:50,535 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 12:27:50,543 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:27:50" (1/1) ... [2022-12-14 12:27:50,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:27:50" (1/1) ... [2022-12-14 12:27:50,561 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:27:50" (1/1) ... [2022-12-14 12:27:50,561 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:27:50" (1/1) ... [2022-12-14 12:27:50,636 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:27:50" (1/1) ... [2022-12-14 12:27:50,648 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:27:50" (1/1) ... [2022-12-14 12:27:50,674 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:27:50" (1/1) ... [2022-12-14 12:27:50,685 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:27:50" (1/1) ... [2022-12-14 12:27:50,747 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 12:27:50,747 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 12:27:50,747 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 12:27:50,747 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 12:27:50,748 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:27:50" (1/1) ... [2022-12-14 12:27:50,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:27:50,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:27:50,770 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 12:27:50,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 12:27:50,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_97 [2022-12-14 12:27:50,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_97 [2022-12-14 12:27:50,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-12-14 12:27:50,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-12-14 12:27:50,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 12:27:50,804 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 12:27:50,804 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_wakeup [2022-12-14 12:27:50,804 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_wakeup [2022-12-14 12:27:50,804 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_read_fifo [2022-12-14 12:27:50,804 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_read_fifo [2022-12-14 12:27:50,804 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_write_fifo [2022-12-14 12:27:50,804 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_write_fifo [2022-12-14 12:27:50,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 12:27:50,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 12:27:50,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_net2272 [2022-12-14 12:27:50,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_net2272 [2022-12-14 12:27:50,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_remap [2022-12-14 12:27:50,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_remap [2022-12-14 12:27:50,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-12-14 12:27:50,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-12-14 12:27:50,805 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-12-14 12:27:50,805 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-12-14 12:27:50,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-14 12:27:50,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-14 12:27:50,805 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_read [2022-12-14 12:27:50,805 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_read [2022-12-14 12:27:50,805 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2022-12-14 12:27:50,805 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2022-12-14 12:27:50,805 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_enable [2022-12-14 12:27:50,805 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_enable [2022-12-14 12:27:50,805 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_pio_advance [2022-12-14 12:27:50,805 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_pio_advance [2022-12-14 12:27:50,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-12-14 12:27:50,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-12-14 12:27:50,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-12-14 12:27:50,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-12-14 12:27:50,806 INFO L130 BoogieDeclarations]: Found specification of procedure set_fifo_bytecount [2022-12-14 12:27:50,806 INFO L138 BoogieDeclarations]: Found implementation of procedure set_fifo_bytecount [2022-12-14 12:27:50,806 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_usb_reset [2022-12-14 12:27:50,806 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_usb_reset [2022-12-14 12:27:50,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-14 12:27:50,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-14 12:27:50,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-14 12:27:50,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-14 12:27:50,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-12-14 12:27:50,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-12-14 12:27:50,806 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_usb_reinit [2022-12-14 12:27:50,806 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_usb_reinit [2022-12-14 12:27:50,806 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_pci_unregister [2022-12-14 12:27:50,806 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_pci_unregister [2022-12-14 12:27:50,807 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2022-12-14 12:27:50,807 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2022-12-14 12:27:50,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 12:27:50,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_101 [2022-12-14 12:27:50,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_101 [2022-12-14 12:27:50,807 INFO L130 BoogieDeclarations]: Found specification of procedure type_string [2022-12-14 12:27:50,807 INFO L138 BoogieDeclarations]: Found implementation of procedure type_string [2022-12-14 12:27:50,807 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_gadget_release [2022-12-14 12:27:50,807 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_gadget_release [2022-12-14 12:27:50,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-12-14 12:27:50,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-12-14 12:27:50,807 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_handle_dma [2022-12-14 12:27:50,807 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_handle_dma [2022-12-14 12:27:50,807 INFO L130 BoogieDeclarations]: Found specification of procedure allow_status [2022-12-14 12:27:50,807 INFO L138 BoogieDeclarations]: Found implementation of procedure allow_status [2022-12-14 12:27:50,807 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-12-14 12:27:50,808 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-12-14 12:27:50,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-12-14 12:27:50,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-12-14 12:27:50,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-14 12:27:50,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-14 12:27:50,808 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_request_dma [2022-12-14 12:27:50,808 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_request_dma [2022-12-14 12:27:50,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-12-14 12:27:50,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-12-14 12:27:50,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 12:27:50,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-12-14 12:27:50,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-12-14 12:27:50,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-12-14 12:27:50,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-12-14 12:27:50,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-12-14 12:27:50,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-12-14 12:27:50,808 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_ep_read [2022-12-14 12:27:50,809 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_ep_read [2022-12-14 12:27:50,809 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-12-14 12:27:50,809 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-12-14 12:27:50,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-12-14 12:27:50,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-12-14 12:27:50,809 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-12-14 12:27:50,809 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-12-14 12:27:50,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-12-14 12:27:50,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-12-14 12:27:50,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_check_return_value_probe [2022-12-14 12:27:50,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_check_return_value_probe [2022-12-14 12:27:50,809 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_set_halt_and_wedge [2022-12-14 12:27:50,809 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_set_halt_and_wedge [2022-12-14 12:27:50,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 12:27:50,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_0 [2022-12-14 12:27:50,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_0 [2022-12-14 12:27:50,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_check_return_value_probe [2022-12-14 12:27:50,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_check_return_value_probe [2022-12-14 12:27:50,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 12:27:50,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-14 12:27:50,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-14 12:27:50,810 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-12-14 12:27:50,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-12-14 12:27:50,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 12:27:50,810 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 12:27:50,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 12:27:50,810 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-12-14 12:27:50,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-12-14 12:27:50,810 INFO L130 BoogieDeclarations]: Found specification of procedure set_halt [2022-12-14 12:27:50,810 INFO L138 BoogieDeclarations]: Found implementation of procedure set_halt [2022-12-14 12:27:50,810 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_set_maxpacket_limit [2022-12-14 12:27:50,810 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_set_maxpacket_limit [2022-12-14 12:27:50,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-12-14 12:27:50,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-12-14 12:27:50,811 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-12-14 12:27:50,811 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-12-14 12:27:50,811 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_set_wedge [2022-12-14 12:27:50,811 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_set_wedge [2022-12-14 12:27:50,811 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_ep_reset [2022-12-14 12:27:50,811 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_ep_reset [2022-12-14 12:27:50,811 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-12-14 12:27:50,811 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-12-14 12:27:50,811 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-12-14 12:27:50,811 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-12-14 12:27:50,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 12:27:50,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 12:27:50,811 INFO L130 BoogieDeclarations]: Found specification of procedure stop_activity [2022-12-14 12:27:50,811 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_activity [2022-12-14 12:27:50,812 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-12-14 12:27:50,812 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-12-14 12:27:50,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 12:27:50,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 12:27:50,812 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_irq [2022-12-14 12:27:50,812 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_irq [2022-12-14 12:27:50,812 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_handle_ep [2022-12-14 12:27:50,812 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_handle_ep [2022-12-14 12:27:50,812 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_start [2022-12-14 12:27:50,812 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_start [2022-12-14 12:27:50,812 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_ep_write [2022-12-14 12:27:50,812 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_ep_write [2022-12-14 12:27:50,812 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_pci_probe [2022-12-14 12:27:50,812 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_pci_probe [2022-12-14 12:27:50,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-14 12:27:50,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-14 12:27:50,813 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_probe_fin [2022-12-14 12:27:50,813 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_probe_fin [2022-12-14 12:27:50,813 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_fifo_flush [2022-12-14 12:27:50,813 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_fifo_flush [2022-12-14 12:27:50,813 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_done [2022-12-14 12:27:50,813 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_done [2022-12-14 12:27:50,813 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_cancel_dma [2022-12-14 12:27:50,813 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_cancel_dma [2022-12-14 12:27:50,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2022-12-14 12:27:50,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2022-12-14 12:27:50,813 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_dequeue_all [2022-12-14 12:27:50,813 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_dequeue_all [2022-12-14 12:27:50,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-12-14 12:27:50,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-12-14 12:27:50,813 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_probe_init [2022-12-14 12:27:50,813 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_probe_init [2022-12-14 12:27:50,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-12-14 12:27:50,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-12-14 12:27:50,814 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-12-14 12:27:50,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-12-14 12:27:50,814 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_remove [2022-12-14 12:27:50,814 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_remove [2022-12-14 12:27:50,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-12-14 12:27:50,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-12-14 12:27:50,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 12:27:50,814 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-14 12:27:50,814 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-14 12:27:50,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-12-14 12:27:50,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-12-14 12:27:50,814 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_fifo_status [2022-12-14 12:27:50,814 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_fifo_status [2022-12-14 12:27:50,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 12:27:50,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_130 [2022-12-14 12:27:50,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_130 [2022-12-14 12:27:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_isoc [2022-12-14 12:27:50,815 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_isoc [2022-12-14 12:27:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure buf_state_string [2022-12-14 12:27:50,815 INFO L138 BoogieDeclarations]: Found implementation of procedure buf_state_string [2022-12-14 12:27:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure clear_halt [2022-12-14 12:27:50,815 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_halt [2022-12-14 12:27:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-12-14 12:27:50,815 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-12-14 12:27:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_stop [2022-12-14 12:27:50,815 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_stop [2022-12-14 12:27:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 12:27:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-12-14 12:27:50,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-12-14 12:27:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-12-14 12:27:50,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-12-14 12:27:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_reg_addr [2022-12-14 12:27:50,816 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_reg_addr [2022-12-14 12:27:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_net2272 [2022-12-14 12:27:50,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_net2272 [2022-12-14 12:27:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-12-14 12:27:50,816 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-12-14 12:27:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_plat_probe [2022-12-14 12:27:50,816 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_plat_probe [2022-12-14 12:27:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-12-14 12:27:50,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-12-14 12:27:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-12-14 12:27:50,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-12-14 12:27:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_register_11_2 [2022-12-14 12:27:50,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_register_11_2 [2022-12-14 12:27:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-14 12:27:50,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-14 12:27:50,816 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_write [2022-12-14 12:27:50,817 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_write [2022-12-14 12:27:50,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-12-14 12:27:50,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-12-14 12:27:50,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-14 12:27:50,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-14 12:27:50,817 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_plat_remove [2022-12-14 12:27:50,817 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_plat_remove [2022-12-14 12:27:50,817 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-12-14 12:27:50,817 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-12-14 12:27:50,817 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_ep0_start [2022-12-14 12:27:50,817 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_ep0_start [2022-12-14 12:27:50,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-12-14 12:27:50,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-12-14 12:27:50,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-12-14 12:27:50,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-12-14 12:27:50,817 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 12:27:50,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 12:27:50,818 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_pci_remove [2022-12-14 12:27:50,818 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_pci_remove [2022-12-14 12:27:50,818 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_disable [2022-12-14 12:27:50,818 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_disable [2022-12-14 12:27:50,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-12-14 12:27:50,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-12-14 12:27:50,818 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-12-14 12:27:50,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-12-14 12:27:50,818 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 12:27:50,818 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 12:27:50,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 12:27:50,818 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_handle_stat0_irqs [2022-12-14 12:27:50,818 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_handle_stat0_irqs [2022-12-14 12:27:50,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-12-14 12:27:50,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-12-14 12:27:50,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 12:27:50,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 12:27:50,819 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_get_frame [2022-12-14 12:27:50,819 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_get_frame [2022-12-14 12:27:50,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-12-14 12:27:50,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-12-14 12:27:50,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_102 [2022-12-14 12:27:50,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_102 [2022-12-14 12:27:50,819 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_get_ep_by_addr [2022-12-14 12:27:50,819 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_get_ep_by_addr [2022-12-14 12:27:50,819 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-12-14 12:27:50,819 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-12-14 12:27:50,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-14 12:27:50,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-14 12:27:50,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-12-14 12:27:50,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-12-14 12:27:50,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_handler_0_5 [2022-12-14 12:27:50,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_handler_0_5 [2022-12-14 12:27:50,820 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-12-14 12:27:50,820 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-12-14 12:27:50,820 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_kick_dma [2022-12-14 12:27:50,820 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_kick_dma [2022-12-14 12:27:50,820 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_dequeue [2022-12-14 12:27:50,820 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_dequeue [2022-12-14 12:27:50,820 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-12-14 12:27:50,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-12-14 12:27:50,820 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-12-14 12:27:50,820 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-12-14 12:27:50,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 12:27:50,820 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-12-14 12:27:50,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-12-14 12:27:50,820 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2022-12-14 12:27:50,820 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2022-12-14 12:27:50,821 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2022-12-14 12:27:50,821 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2022-12-14 12:27:50,821 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-12-14 12:27:50,821 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-12-14 12:27:51,355 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 12:27:51,359 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 12:27:51,604 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 12:27:51,914 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-12-14 12:27:52,034 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume !(0 != assert_out_naking_~tmp___0~4#1); [2022-12-14 12:27:52,034 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##36: assume !(0 == (if 0 == assert_out_naking_~tmp~9#1 % 256 then 0 else (if 32 == assert_out_naking_~tmp~9#1 % 256 then assert_out_naking_~tmp~9#1 % 256 else ~bitwiseAnd(assert_out_naking_~tmp~9#1 % 256, 32)))); [2022-12-14 12:27:52,034 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##35: assume 0 == (if 0 == assert_out_naking_~tmp~9#1 % 256 then 0 else (if 32 == assert_out_naking_~tmp~9#1 % 256 then assert_out_naking_~tmp~9#1 % 256 else ~bitwiseAnd(assert_out_naking_~tmp~9#1 % 256, 32)));call write~$Pointer$(4, 0, assert_out_naking_~#descriptor~0#1.base, assert_out_naking_~#descriptor~0#1.offset, 8);call write~$Pointer$(5, 0, assert_out_naking_~#descriptor~0#1.base, 8 + assert_out_naking_~#descriptor~0#1.offset, 8);call write~$Pointer$(6, 0, assert_out_naking_~#descriptor~0#1.base, 16 + assert_out_naking_~#descriptor~0#1.offset, 8);call write~$Pointer$(7, 0, assert_out_naking_~#descriptor~0#1.base, 24 + assert_out_naking_~#descriptor~0#1.offset, 8);call write~int(131, assert_out_naking_~#descriptor~0#1.base, 32 + assert_out_naking_~#descriptor~0#1.offset, 4);call write~int(0, assert_out_naking_~#descriptor~0#1.base, 36 + assert_out_naking_~#descriptor~0#1.offset, 1);call assert_out_naking_#t~mem117#1 := read~int(assert_out_naking_~#descriptor~0#1.base, 36 + assert_out_naking_~#descriptor~0#1.offset, 1); [2022-12-14 12:27:52,034 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L4822: SUMMARY for call assert_out_naking_#t~ret118#1 := ldv__builtin_expect((if 0 == assert_out_naking_#t~mem117#1 % 256 then 0 else (if 1 == assert_out_naking_#t~mem117#1 % 256 then assert_out_naking_#t~mem117#1 % 256 else ~bitwiseAnd(assert_out_naking_#t~mem117#1 % 256, 1))), 0); srcloc: null [2022-12-14 12:27:52,034 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L4822-1: assume -9223372036854775808 <= assert_out_naking_#t~ret118#1 && assert_out_naking_#t~ret118#1 <= 9223372036854775807;assert_out_naking_~tmp___0~4#1 := assert_out_naking_#t~ret118#1;havoc assert_out_naking_#t~mem117#1;havoc assert_out_naking_#t~ret118#1; [2022-12-14 12:27:52,034 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L4814: call ULTIMATE.dealloc(assert_out_naking_~#descriptor~0#1.base, assert_out_naking_~#descriptor~0#1.offset);havoc assert_out_naking_~#descriptor~0#1.base, assert_out_naking_~#descriptor~0#1.offset; [2022-12-14 12:27:52,034 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L4832: SUMMARY for call net2272_ep_write(assert_out_naking_~ep#1.base, assert_out_naking_~ep#1.offset, 15, 128); srcloc: null [2022-12-14 12:27:52,034 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L4824: goto; [2022-12-14 12:27:52,034 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L4824: assume 0 != assert_out_naking_~tmp___0~4#1;call assert_out_naking_#t~mem119#1.base, assert_out_naking_#t~mem119#1.offset := read~$Pointer$(assert_out_naking_~ep#1.base, 65 + assert_out_naking_~ep#1.offset, 8);call assert_out_naking_#t~mem120#1.base, assert_out_naking_#t~mem120#1.offset := read~$Pointer$(assert_out_naking_#t~mem119#1.base, 1481 + assert_out_naking_#t~mem119#1.offset, 8);call assert_out_naking_#t~mem121#1.base, assert_out_naking_#t~mem121#1.offset := read~$Pointer$(assert_out_naking_~ep#1.base, 8 + assert_out_naking_~ep#1.offset, 8);havoc assert_out_naking_#t~mem119#1.base, assert_out_naking_#t~mem119#1.offset;havoc assert_out_naking_#t~mem120#1.base, assert_out_naking_#t~mem120#1.offset;havoc assert_out_naking_#t~mem121#1.base, assert_out_naking_#t~mem121#1.offset; [2022-12-14 12:27:54,927 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 12:27:55,795 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 12:27:55,796 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 12:27:55,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:27:55 BoogieIcfgContainer [2022-12-14 12:27:55,800 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 12:27:55,801 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 12:27:55,801 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 12:27:55,804 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 12:27:55,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 12:27:46" (1/3) ... [2022-12-14 12:27:55,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79b70b16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:27:55, skipping insertion in model container [2022-12-14 12:27:55,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:27:50" (2/3) ... [2022-12-14 12:27:55,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79b70b16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:27:55, skipping insertion in model container [2022-12-14 12:27:55,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:27:55" (3/3) ... [2022-12-14 12:27:55,806 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i [2022-12-14 12:27:55,822 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 12:27:55,822 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2022-12-14 12:27:55,886 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 12:27:55,891 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;@4ada2f08, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 12:27:55,891 INFO L358 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2022-12-14 12:27:55,899 INFO L276 IsEmpty]: Start isEmpty. Operand has 2003 states, 1129 states have (on average 1.3170947741364039) internal successors, (1487), 1219 states have internal predecessors, (1487), 711 states have call successors, (711), 135 states have call predecessors, (711), 134 states have return successors, (703), 687 states have call predecessors, (703), 703 states have call successors, (703) [2022-12-14 12:27:55,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-12-14 12:27:55,907 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:27:55,908 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:27:55,908 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-12-14 12:27:55,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:27:55,912 INFO L85 PathProgramCache]: Analyzing trace with hash -1968025347, now seen corresponding path program 1 times [2022-12-14 12:27:55,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:27:55,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405768507] [2022-12-14 12:27:55,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:27:55,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:27:56,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:27:56,550 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 12:27:56,551 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:27:56,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405768507] [2022-12-14 12:27:56,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405768507] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:27:56,551 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:27:56,552 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 12:27:56,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523513347] [2022-12-14 12:27:56,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:27:56,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 12:27:56,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:27:56,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 12:27:56,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:27:56,592 INFO L87 Difference]: Start difference. First operand has 2003 states, 1129 states have (on average 1.3170947741364039) internal successors, (1487), 1219 states have internal predecessors, (1487), 711 states have call successors, (711), 135 states have call predecessors, (711), 134 states have return successors, (703), 687 states have call predecessors, (703), 703 states have call successors, (703) Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-14 12:27:58,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:27:58,408 INFO L93 Difference]: Finished difference Result 5886 states and 8952 transitions. [2022-12-14 12:27:58,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 12:27:58,411 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 49 [2022-12-14 12:27:58,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:27:58,455 INFO L225 Difference]: With dead ends: 5886 [2022-12-14 12:27:58,455 INFO L226 Difference]: Without dead ends: 3876 [2022-12-14 12:27:58,480 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:27:58,483 INFO L413 NwaCegarLoop]: 3303 mSDtfsCounter, 2729 mSDsluCounter, 5897 mSDsCounter, 0 mSdLazyCounter, 1001 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2731 SdHoareTripleChecker+Valid, 9200 SdHoareTripleChecker+Invalid, 1002 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1001 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-12-14 12:27:58,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2731 Valid, 9200 Invalid, 1002 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1001 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-14 12:27:58,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3876 states. [2022-12-14 12:27:58,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3876 to 3700. [2022-12-14 12:27:58,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3700 states, 2098 states have (on average 1.290276453765491) internal successors, (2707), 2244 states have internal predecessors, (2707), 1332 states have call successors, (1332), 247 states have call predecessors, (1332), 242 states have return successors, (1384), 1286 states have call predecessors, (1384), 1330 states have call successors, (1384) [2022-12-14 12:27:58,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3700 states to 3700 states and 5423 transitions. [2022-12-14 12:27:58,795 INFO L78 Accepts]: Start accepts. Automaton has 3700 states and 5423 transitions. Word has length 49 [2022-12-14 12:27:58,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:27:58,796 INFO L495 AbstractCegarLoop]: Abstraction has 3700 states and 5423 transitions. [2022-12-14 12:27:58,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-14 12:27:58,796 INFO L276 IsEmpty]: Start isEmpty. Operand 3700 states and 5423 transitions. [2022-12-14 12:27:58,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-12-14 12:27:58,800 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:27:58,800 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:27:58,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 12:27:58,800 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-12-14 12:27:58,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:27:58,801 INFO L85 PathProgramCache]: Analyzing trace with hash -2039164458, now seen corresponding path program 1 times [2022-12-14 12:27:58,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:27:58,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901075903] [2022-12-14 12:27:58,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:27:58,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:27:58,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:27:59,133 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 12:27:59,133 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:27:59,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901075903] [2022-12-14 12:27:59,134 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901075903] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:27:59,134 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:27:59,134 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 12:27:59,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136338078] [2022-12-14 12:27:59,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:27:59,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 12:27:59,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:27:59,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 12:27:59,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:27:59,136 INFO L87 Difference]: Start difference. First operand 3700 states and 5423 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-14 12:28:00,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:28:00,155 INFO L93 Difference]: Finished difference Result 3700 states and 5423 transitions. [2022-12-14 12:28:00,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 12:28:00,156 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 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 54 [2022-12-14 12:28:00,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:28:00,173 INFO L225 Difference]: With dead ends: 3700 [2022-12-14 12:28:00,173 INFO L226 Difference]: Without dead ends: 3698 [2022-12-14 12:28:00,176 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:28:00,177 INFO L413 NwaCegarLoop]: 2531 mSDtfsCounter, 2821 mSDsluCounter, 2531 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2823 SdHoareTripleChecker+Valid, 5062 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 12:28:00,177 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2823 Valid, 5062 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 12:28:00,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3698 states. [2022-12-14 12:28:00,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3698 to 3698. [2022-12-14 12:28:00,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3698 states, 2097 states have (on average 1.289938006676204) internal successors, (2705), 2242 states have internal predecessors, (2705), 1332 states have call successors, (1332), 247 states have call predecessors, (1332), 242 states have return successors, (1384), 1286 states have call predecessors, (1384), 1330 states have call successors, (1384) [2022-12-14 12:28:00,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3698 states to 3698 states and 5421 transitions. [2022-12-14 12:28:00,368 INFO L78 Accepts]: Start accepts. Automaton has 3698 states and 5421 transitions. Word has length 54 [2022-12-14 12:28:00,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:28:00,369 INFO L495 AbstractCegarLoop]: Abstraction has 3698 states and 5421 transitions. [2022-12-14 12:28:00,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-14 12:28:00,369 INFO L276 IsEmpty]: Start isEmpty. Operand 3698 states and 5421 transitions. [2022-12-14 12:28:00,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-12-14 12:28:00,371 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:28:00,371 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:28:00,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 12:28:00,372 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-12-14 12:28:00,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:28:00,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1432824886, now seen corresponding path program 1 times [2022-12-14 12:28:00,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:28:00,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747054849] [2022-12-14 12:28:00,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:28:00,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:28:00,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:28:00,628 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 12:28:00,628 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:28:00,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747054849] [2022-12-14 12:28:00,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747054849] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:28:00,629 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:28:00,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 12:28:00,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747469350] [2022-12-14 12:28:00,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:28:00,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 12:28:00,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:28:00,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 12:28:00,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:28:00,630 INFO L87 Difference]: Start difference. First operand 3698 states and 5421 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-14 12:28:01,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:28:01,632 INFO L93 Difference]: Finished difference Result 3698 states and 5421 transitions. [2022-12-14 12:28:01,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 12:28:01,632 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 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 59 [2022-12-14 12:28:01,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:28:01,657 INFO L225 Difference]: With dead ends: 3698 [2022-12-14 12:28:01,657 INFO L226 Difference]: Without dead ends: 3696 [2022-12-14 12:28:01,661 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:28:01,661 INFO L413 NwaCegarLoop]: 2529 mSDtfsCounter, 2818 mSDsluCounter, 2529 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2820 SdHoareTripleChecker+Valid, 5058 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 12:28:01,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2820 Valid, 5058 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 12:28:01,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3696 states. [2022-12-14 12:28:01,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3696 to 3696. [2022-12-14 12:28:01,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3696 states, 2096 states have (on average 1.2895992366412214) internal successors, (2703), 2240 states have internal predecessors, (2703), 1332 states have call successors, (1332), 247 states have call predecessors, (1332), 242 states have return successors, (1384), 1286 states have call predecessors, (1384), 1330 states have call successors, (1384) [2022-12-14 12:28:01,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3696 states to 3696 states and 5419 transitions. [2022-12-14 12:28:01,858 INFO L78 Accepts]: Start accepts. Automaton has 3696 states and 5419 transitions. Word has length 59 [2022-12-14 12:28:01,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:28:01,859 INFO L495 AbstractCegarLoop]: Abstraction has 3696 states and 5419 transitions. [2022-12-14 12:28:01,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-14 12:28:01,859 INFO L276 IsEmpty]: Start isEmpty. Operand 3696 states and 5419 transitions. [2022-12-14 12:28:01,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-12-14 12:28:01,861 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:28:01,861 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:28:01,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 12:28:01,861 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-12-14 12:28:01,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:28:01,862 INFO L85 PathProgramCache]: Analyzing trace with hash -2140519231, now seen corresponding path program 1 times [2022-12-14 12:28:01,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:28:01,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272350696] [2022-12-14 12:28:01,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:28:01,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:28:01,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:28:02,182 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 12:28:02,183 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:28:02,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272350696] [2022-12-14 12:28:02,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272350696] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:28:02,183 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:28:02,183 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 12:28:02,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050251927] [2022-12-14 12:28:02,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:28:02,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 12:28:02,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:28:02,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 12:28:02,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:28:02,184 INFO L87 Difference]: Start difference. First operand 3696 states and 5419 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-14 12:28:03,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:28:03,075 INFO L93 Difference]: Finished difference Result 3696 states and 5419 transitions. [2022-12-14 12:28:03,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 12:28:03,076 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 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 64 [2022-12-14 12:28:03,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:28:03,090 INFO L225 Difference]: With dead ends: 3696 [2022-12-14 12:28:03,090 INFO L226 Difference]: Without dead ends: 3694 [2022-12-14 12:28:03,093 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:28:03,093 INFO L413 NwaCegarLoop]: 2527 mSDtfsCounter, 2815 mSDsluCounter, 2527 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2817 SdHoareTripleChecker+Valid, 5054 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-14 12:28:03,093 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2817 Valid, 5054 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-14 12:28:03,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3694 states. [2022-12-14 12:28:03,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3694 to 3694. [2022-12-14 12:28:03,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3694 states, 2095 states have (on average 1.2892601431980908) internal successors, (2701), 2238 states have internal predecessors, (2701), 1332 states have call successors, (1332), 247 states have call predecessors, (1332), 242 states have return successors, (1384), 1286 states have call predecessors, (1384), 1330 states have call successors, (1384) [2022-12-14 12:28:03,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3694 states to 3694 states and 5417 transitions. [2022-12-14 12:28:03,257 INFO L78 Accepts]: Start accepts. Automaton has 3694 states and 5417 transitions. Word has length 64 [2022-12-14 12:28:03,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:28:03,257 INFO L495 AbstractCegarLoop]: Abstraction has 3694 states and 5417 transitions. [2022-12-14 12:28:03,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-14 12:28:03,257 INFO L276 IsEmpty]: Start isEmpty. Operand 3694 states and 5417 transitions. [2022-12-14 12:28:03,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-12-14 12:28:03,258 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:28:03,258 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:28:03,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 12:28:03,259 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-12-14 12:28:03,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:28:03,259 INFO L85 PathProgramCache]: Analyzing trace with hash -1765957095, now seen corresponding path program 1 times [2022-12-14 12:28:03,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:28:03,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870999383] [2022-12-14 12:28:03,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:28:03,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:28:03,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:28:03,492 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 12:28:03,493 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:28:03,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870999383] [2022-12-14 12:28:03,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870999383] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:28:03,493 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:28:03,493 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 12:28:03,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88518897] [2022-12-14 12:28:03,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:28:03,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 12:28:03,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:28:03,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 12:28:03,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:28:03,494 INFO L87 Difference]: Start difference. First operand 3694 states and 5417 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-12-14 12:28:04,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:28:04,488 INFO L93 Difference]: Finished difference Result 3694 states and 5417 transitions. [2022-12-14 12:28:04,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 12:28:04,488 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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 69 [2022-12-14 12:28:04,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:28:04,500 INFO L225 Difference]: With dead ends: 3694 [2022-12-14 12:28:04,500 INFO L226 Difference]: Without dead ends: 3692 [2022-12-14 12:28:04,502 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:28:04,502 INFO L413 NwaCegarLoop]: 2525 mSDtfsCounter, 2812 mSDsluCounter, 2525 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2814 SdHoareTripleChecker+Valid, 5050 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-14 12:28:04,503 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2814 Valid, 5050 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-14 12:28:04,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3692 states. [2022-12-14 12:28:04,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3692 to 3692. [2022-12-14 12:28:04,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3692 states, 2094 states have (on average 1.2889207258834765) internal successors, (2699), 2236 states have internal predecessors, (2699), 1332 states have call successors, (1332), 247 states have call predecessors, (1332), 242 states have return successors, (1384), 1286 states have call predecessors, (1384), 1330 states have call successors, (1384) [2022-12-14 12:28:04,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3692 states to 3692 states and 5415 transitions. [2022-12-14 12:28:04,662 INFO L78 Accepts]: Start accepts. Automaton has 3692 states and 5415 transitions. Word has length 69 [2022-12-14 12:28:04,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:28:04,663 INFO L495 AbstractCegarLoop]: Abstraction has 3692 states and 5415 transitions. [2022-12-14 12:28:04,663 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-12-14 12:28:04,663 INFO L276 IsEmpty]: Start isEmpty. Operand 3692 states and 5415 transitions. [2022-12-14 12:28:04,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-12-14 12:28:04,664 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:28:04,664 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:28:04,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 12:28:04,665 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-12-14 12:28:04,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:28:04,665 INFO L85 PathProgramCache]: Analyzing trace with hash 413463807, now seen corresponding path program 1 times [2022-12-14 12:28:04,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:28:04,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112560637] [2022-12-14 12:28:04,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:28:04,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:28:04,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:28:04,940 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 12:28:04,940 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:28:04,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112560637] [2022-12-14 12:28:04,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112560637] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:28:04,940 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:28:04,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 12:28:04,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515510611] [2022-12-14 12:28:04,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:28:04,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 12:28:04,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:28:04,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 12:28:04,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:28:04,942 INFO L87 Difference]: Start difference. First operand 3692 states and 5415 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 12:28:06,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:28:06,003 INFO L93 Difference]: Finished difference Result 3692 states and 5415 transitions. [2022-12-14 12:28:06,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 12:28:06,004 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 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 74 [2022-12-14 12:28:06,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:28:06,020 INFO L225 Difference]: With dead ends: 3692 [2022-12-14 12:28:06,021 INFO L226 Difference]: Without dead ends: 3690 [2022-12-14 12:28:06,022 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:28:06,023 INFO L413 NwaCegarLoop]: 2523 mSDtfsCounter, 2809 mSDsluCounter, 2523 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2811 SdHoareTripleChecker+Valid, 5046 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 12:28:06,023 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2811 Valid, 5046 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 12:28:06,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3690 states. [2022-12-14 12:28:06,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3690 to 3690. [2022-12-14 12:28:06,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3690 states, 2093 states have (on average 1.2885809842331581) internal successors, (2697), 2234 states have internal predecessors, (2697), 1332 states have call successors, (1332), 247 states have call predecessors, (1332), 242 states have return successors, (1384), 1286 states have call predecessors, (1384), 1330 states have call successors, (1384) [2022-12-14 12:28:06,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3690 states to 3690 states and 5413 transitions. [2022-12-14 12:28:06,202 INFO L78 Accepts]: Start accepts. Automaton has 3690 states and 5413 transitions. Word has length 74 [2022-12-14 12:28:06,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:28:06,202 INFO L495 AbstractCegarLoop]: Abstraction has 3690 states and 5413 transitions. [2022-12-14 12:28:06,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 12:28:06,203 INFO L276 IsEmpty]: Start isEmpty. Operand 3690 states and 5413 transitions. [2022-12-14 12:28:06,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-12-14 12:28:06,204 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:28:06,204 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:28:06,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 12:28:06,204 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-12-14 12:28:06,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:28:06,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1938641163, now seen corresponding path program 1 times [2022-12-14 12:28:06,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:28:06,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051163528] [2022-12-14 12:28:06,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:28:06,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:28:06,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:28:06,442 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 12:28:06,442 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:28:06,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051163528] [2022-12-14 12:28:06,442 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051163528] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:28:06,442 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:28:06,442 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 12:28:06,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022750127] [2022-12-14 12:28:06,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:28:06,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 12:28:06,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:28:06,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 12:28:06,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:28:06,444 INFO L87 Difference]: Start difference. First operand 3690 states and 5413 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-14 12:28:07,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:28:07,456 INFO L93 Difference]: Finished difference Result 3690 states and 5413 transitions. [2022-12-14 12:28:07,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 12:28:07,456 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 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 79 [2022-12-14 12:28:07,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:28:07,469 INFO L225 Difference]: With dead ends: 3690 [2022-12-14 12:28:07,469 INFO L226 Difference]: Without dead ends: 3688 [2022-12-14 12:28:07,471 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:28:07,471 INFO L413 NwaCegarLoop]: 2521 mSDtfsCounter, 2806 mSDsluCounter, 2521 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2808 SdHoareTripleChecker+Valid, 5042 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 12:28:07,471 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2808 Valid, 5042 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 12:28:07,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3688 states. [2022-12-14 12:28:07,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3688 to 3688. [2022-12-14 12:28:07,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3688 states, 2092 states have (on average 1.2882409177820269) internal successors, (2695), 2232 states have internal predecessors, (2695), 1332 states have call successors, (1332), 247 states have call predecessors, (1332), 242 states have return successors, (1384), 1286 states have call predecessors, (1384), 1330 states have call successors, (1384) [2022-12-14 12:28:07,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3688 states to 3688 states and 5411 transitions. [2022-12-14 12:28:07,636 INFO L78 Accepts]: Start accepts. Automaton has 3688 states and 5411 transitions. Word has length 79 [2022-12-14 12:28:07,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:28:07,636 INFO L495 AbstractCegarLoop]: Abstraction has 3688 states and 5411 transitions. [2022-12-14 12:28:07,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-14 12:28:07,637 INFO L276 IsEmpty]: Start isEmpty. Operand 3688 states and 5411 transitions. [2022-12-14 12:28:07,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-12-14 12:28:07,638 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:28:07,638 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:28:07,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 12:28:07,638 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-12-14 12:28:07,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:28:07,638 INFO L85 PathProgramCache]: Analyzing trace with hash 1179436758, now seen corresponding path program 1 times [2022-12-14 12:28:07,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:28:07,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609958488] [2022-12-14 12:28:07,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:28:07,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:28:07,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:28:08,380 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-12-14 12:28:08,381 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:28:08,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609958488] [2022-12-14 12:28:08,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609958488] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:28:08,381 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:28:08,381 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 12:28:08,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107573186] [2022-12-14 12:28:08,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:28:08,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 12:28:08,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:28:08,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 12:28:08,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 12:28:08,382 INFO L87 Difference]: Start difference. First operand 3688 states and 5411 transitions. Second operand has 6 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 12:28:11,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:28:11,630 INFO L93 Difference]: Finished difference Result 5387 states and 7785 transitions. [2022-12-14 12:28:11,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 12:28:11,630 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) Word has length 96 [2022-12-14 12:28:11,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:28:11,649 INFO L225 Difference]: With dead ends: 5387 [2022-12-14 12:28:11,649 INFO L226 Difference]: Without dead ends: 5385 [2022-12-14 12:28:11,652 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-12-14 12:28:11,652 INFO L413 NwaCegarLoop]: 2896 mSDtfsCounter, 2435 mSDsluCounter, 8905 mSDsCounter, 0 mSdLazyCounter, 2651 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2439 SdHoareTripleChecker+Valid, 11801 SdHoareTripleChecker+Invalid, 2655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2651 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-12-14 12:28:11,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2439 Valid, 11801 Invalid, 2655 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2651 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-12-14 12:28:11,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5385 states. [2022-12-14 12:28:11,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5385 to 5365. [2022-12-14 12:28:11,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5365 states, 3031 states have (on average 1.2731771692510723) internal successors, (3859), 3211 states have internal predecessors, (3859), 1903 states have call successors, (1903), 417 states have call predecessors, (1903), 409 states have return successors, (2002), 1840 states have call predecessors, (2002), 1901 states have call successors, (2002) [2022-12-14 12:28:11,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5365 states to 5365 states and 7764 transitions. [2022-12-14 12:28:11,926 INFO L78 Accepts]: Start accepts. Automaton has 5365 states and 7764 transitions. Word has length 96 [2022-12-14 12:28:11,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:28:11,926 INFO L495 AbstractCegarLoop]: Abstraction has 5365 states and 7764 transitions. [2022-12-14 12:28:11,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 12:28:11,926 INFO L276 IsEmpty]: Start isEmpty. Operand 5365 states and 7764 transitions. [2022-12-14 12:28:11,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-12-14 12:28:11,927 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:28:11,927 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 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] [2022-12-14 12:28:11,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 12:28:11,927 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_net_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-12-14 12:28:11,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:28:11,928 INFO L85 PathProgramCache]: Analyzing trace with hash 1606212067, now seen corresponding path program 1 times [2022-12-14 12:28:11,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:28:11,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546011793] [2022-12-14 12:28:11,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:28:11,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:28:11,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:28:12,176 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-12-14 12:28:12,176 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:28:12,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546011793] [2022-12-14 12:28:12,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546011793] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:28:12,176 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:28:12,176 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:28:12,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619220521] [2022-12-14 12:28:12,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:28:12,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:28:12,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:28:12,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:28:12,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:28:12,178 INFO L87 Difference]: Start difference. First operand 5365 states and 7764 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), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 12:28:13,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:28:13,156 INFO L93 Difference]: Finished difference Result 10706 states and 15499 transitions. [2022-12-14 12:28:13,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:28:13,157 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), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 88 [2022-12-14 12:28:13,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:28:13,201 INFO L225 Difference]: With dead ends: 10706 [2022-12-14 12:28:13,201 INFO L226 Difference]: Without dead ends: 5359 [2022-12-14 12:28:13,217 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:28:13,217 INFO L413 NwaCegarLoop]: 2517 mSDtfsCounter, 2819 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2819 SdHoareTripleChecker+Valid, 2517 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-14 12:28:13,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2819 Valid, 2517 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-14 12:28:13,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5359 states. [2022-12-14 12:28:13,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5359 to 5359. [2022-12-14 12:28:13,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5359 states, 3026 states have (on average 1.2723066754791805) internal successors, (3850), 3205 states have internal predecessors, (3850), 1903 states have call successors, (1903), 417 states have call predecessors, (1903), 409 states have return successors, (2002), 1840 states have call predecessors, (2002), 1901 states have call successors, (2002) [2022-12-14 12:28:13,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5359 states to 5359 states and 7755 transitions. [2022-12-14 12:28:13,486 INFO L78 Accepts]: Start accepts. Automaton has 5359 states and 7755 transitions. Word has length 88 [2022-12-14 12:28:13,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:28:13,487 INFO L495 AbstractCegarLoop]: Abstraction has 5359 states and 7755 transitions. [2022-12-14 12:28:13,487 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), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 12:28:13,487 INFO L276 IsEmpty]: Start isEmpty. Operand 5359 states and 7755 transitions. [2022-12-14 12:28:13,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-12-14 12:28:13,488 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:28:13,488 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:28:13,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 12:28:13,488 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting kzallocErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-12-14 12:28:13,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:28:13,488 INFO L85 PathProgramCache]: Analyzing trace with hash -410771337, now seen corresponding path program 1 times [2022-12-14 12:28:13,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:28:13,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850057332] [2022-12-14 12:28:13,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:28:13,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:28:13,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:28:13,736 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-12-14 12:28:13,737 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:28:13,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850057332] [2022-12-14 12:28:13,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850057332] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:28:13,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:28:13,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 12:28:13,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496365449] [2022-12-14 12:28:13,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:28:13,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:28:13,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:28:13,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:28:13,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:28:13,738 INFO L87 Difference]: Start difference. First operand 5359 states and 7755 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 12:28:14,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:28:14,650 INFO L93 Difference]: Finished difference Result 10690 states and 15677 transitions. [2022-12-14 12:28:14,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:28:14,651 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 99 [2022-12-14 12:28:14,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:28:14,685 INFO L225 Difference]: With dead ends: 10690 [2022-12-14 12:28:14,685 INFO L226 Difference]: Without dead ends: 5349 [2022-12-14 12:28:14,698 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 12:28:14,699 INFO L413 NwaCegarLoop]: 2512 mSDtfsCounter, 2791 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2791 SdHoareTripleChecker+Valid, 2512 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-14 12:28:14,699 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2791 Valid, 2512 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-14 12:28:14,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5349 states. [2022-12-14 12:28:14,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5349 to 5349. [2022-12-14 12:28:14,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5349 states, 3017 states have (on average 1.2704673516738483) internal successors, (3833), 3195 states have internal predecessors, (3833), 1903 states have call successors, (1903), 417 states have call predecessors, (1903), 409 states have return successors, (2002), 1840 states have call predecessors, (2002), 1901 states have call successors, (2002) [2022-12-14 12:28:14,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5349 states to 5349 states and 7738 transitions. [2022-12-14 12:28:14,982 INFO L78 Accepts]: Start accepts. Automaton has 5349 states and 7738 transitions. Word has length 99 [2022-12-14 12:28:14,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:28:14,982 INFO L495 AbstractCegarLoop]: Abstraction has 5349 states and 7738 transitions. [2022-12-14 12:28:14,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 12:28:14,982 INFO L276 IsEmpty]: Start isEmpty. Operand 5349 states and 7738 transitions. [2022-12-14 12:28:14,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-12-14 12:28:14,983 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:28:14,983 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:28:14,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 12:28:14,983 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-12-14 12:28:14,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:28:14,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1825966358, now seen corresponding path program 1 times [2022-12-14 12:28:14,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:28:14,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573324301] [2022-12-14 12:28:14,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:28:14,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:28:15,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:28:15,215 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 12:28:15,215 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:28:15,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573324301] [2022-12-14 12:28:15,215 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573324301] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:28:15,215 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:28:15,215 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 12:28:15,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932214067] [2022-12-14 12:28:15,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:28:15,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 12:28:15,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:28:15,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 12:28:15,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:28:15,217 INFO L87 Difference]: Start difference. First operand 5349 states and 7738 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-14 12:28:16,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:28:16,301 INFO L93 Difference]: Finished difference Result 5349 states and 7738 transitions. [2022-12-14 12:28:16,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 12:28:16,301 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 84 [2022-12-14 12:28:16,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:28:16,317 INFO L225 Difference]: With dead ends: 5349 [2022-12-14 12:28:16,317 INFO L226 Difference]: Without dead ends: 5347 [2022-12-14 12:28:16,320 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:28:16,320 INFO L413 NwaCegarLoop]: 2509 mSDtfsCounter, 2797 mSDsluCounter, 2505 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2799 SdHoareTripleChecker+Valid, 5014 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-14 12:28:16,320 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2799 Valid, 5014 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-14 12:28:16,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5347 states. [2022-12-14 12:28:16,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5347 to 5347. [2022-12-14 12:28:16,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5347 states, 3016 states have (on average 1.2702254641909814) internal successors, (3831), 3193 states have internal predecessors, (3831), 1903 states have call successors, (1903), 417 states have call predecessors, (1903), 409 states have return successors, (2002), 1840 states have call predecessors, (2002), 1901 states have call successors, (2002) [2022-12-14 12:28:16,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5347 states to 5347 states and 7736 transitions. [2022-12-14 12:28:16,646 INFO L78 Accepts]: Start accepts. Automaton has 5347 states and 7736 transitions. Word has length 84 [2022-12-14 12:28:16,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:28:16,647 INFO L495 AbstractCegarLoop]: Abstraction has 5347 states and 7736 transitions. [2022-12-14 12:28:16,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-14 12:28:16,647 INFO L276 IsEmpty]: Start isEmpty. Operand 5347 states and 7736 transitions. [2022-12-14 12:28:16,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-12-14 12:28:16,648 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:28:16,648 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 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] [2022-12-14 12:28:16,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 12:28:16,648 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-12-14 12:28:16,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:28:16,648 INFO L85 PathProgramCache]: Analyzing trace with hash -48301236, now seen corresponding path program 1 times [2022-12-14 12:28:16,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:28:16,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928673204] [2022-12-14 12:28:16,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:28:16,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:28:16,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:28:17,095 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2022-12-14 12:28:17,095 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:28:17,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928673204] [2022-12-14 12:28:17,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928673204] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:28:17,095 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:28:17,095 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 12:28:17,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027591182] [2022-12-14 12:28:17,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:28:17,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 12:28:17,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:28:17,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 12:28:17,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:28:17,097 INFO L87 Difference]: Start difference. First operand 5347 states and 7736 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 12:28:19,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:28:19,526 INFO L93 Difference]: Finished difference Result 7926 states and 11352 transitions. [2022-12-14 12:28:19,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 12:28:19,527 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 94 [2022-12-14 12:28:19,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:28:19,548 INFO L225 Difference]: With dead ends: 7926 [2022-12-14 12:28:19,548 INFO L226 Difference]: Without dead ends: 7924 [2022-12-14 12:28:19,551 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 [2022-12-14 12:28:19,551 INFO L413 NwaCegarLoop]: 3017 mSDtfsCounter, 1950 mSDsluCounter, 7679 mSDsCounter, 0 mSdLazyCounter, 1203 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1951 SdHoareTripleChecker+Valid, 10696 SdHoareTripleChecker+Invalid, 1205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-12-14 12:28:19,552 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1951 Valid, 10696 Invalid, 1205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1203 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-12-14 12:28:19,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7924 states. [2022-12-14 12:28:20,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7924 to 7896. [2022-12-14 12:28:20,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7896 states, 4432 states have (on average 1.2538357400722022) internal successors, (5557), 4681 states have internal predecessors, (5557), 2772 states have call successors, (2772), 707 states have call predecessors, (2772), 673 states have return successors, (2988), 2637 states have call predecessors, (2988), 2770 states have call successors, (2988) [2022-12-14 12:28:20,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7896 states to 7896 states and 11317 transitions. [2022-12-14 12:28:20,041 INFO L78 Accepts]: Start accepts. Automaton has 7896 states and 11317 transitions. Word has length 94 [2022-12-14 12:28:20,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:28:20,041 INFO L495 AbstractCegarLoop]: Abstraction has 7896 states and 11317 transitions. [2022-12-14 12:28:20,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 12:28:20,041 INFO L276 IsEmpty]: Start isEmpty. Operand 7896 states and 11317 transitions. [2022-12-14 12:28:20,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-12-14 12:28:20,042 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:28:20,042 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:28:20,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 12:28:20,043 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-12-14 12:28:20,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:28:20,043 INFO L85 PathProgramCache]: Analyzing trace with hash 1888114541, now seen corresponding path program 1 times [2022-12-14 12:28:20,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:28:20,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94210822] [2022-12-14 12:28:20,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:28:20,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:28:20,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:28:20,229 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 12:28:20,229 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:28:20,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94210822] [2022-12-14 12:28:20,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94210822] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:28:20,229 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:28:20,229 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 12:28:20,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699610636] [2022-12-14 12:28:20,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:28:20,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 12:28:20,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:28:20,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 12:28:20,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:28:20,230 INFO L87 Difference]: Start difference. First operand 7896 states and 11317 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-14 12:28:21,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:28:21,407 INFO L93 Difference]: Finished difference Result 7896 states and 11317 transitions. [2022-12-14 12:28:21,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 12:28:21,408 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 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 86 [2022-12-14 12:28:21,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:28:21,429 INFO L225 Difference]: With dead ends: 7896 [2022-12-14 12:28:21,429 INFO L226 Difference]: Without dead ends: 7894 [2022-12-14 12:28:21,433 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:28:21,433 INFO L413 NwaCegarLoop]: 2507 mSDtfsCounter, 2789 mSDsluCounter, 2507 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2791 SdHoareTripleChecker+Valid, 5014 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-14 12:28:21,433 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2791 Valid, 5014 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-14 12:28:21,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7894 states. [2022-12-14 12:28:22,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7894 to 7894. [2022-12-14 12:28:22,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7894 states, 4431 states have (on average 1.253667343714737) internal successors, (5555), 4679 states have internal predecessors, (5555), 2772 states have call successors, (2772), 707 states have call predecessors, (2772), 673 states have return successors, (2988), 2637 states have call predecessors, (2988), 2770 states have call successors, (2988) [2022-12-14 12:28:22,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7894 states to 7894 states and 11315 transitions. [2022-12-14 12:28:22,058 INFO L78 Accepts]: Start accepts. Automaton has 7894 states and 11315 transitions. Word has length 86 [2022-12-14 12:28:22,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:28:22,059 INFO L495 AbstractCegarLoop]: Abstraction has 7894 states and 11315 transitions. [2022-12-14 12:28:22,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-14 12:28:22,059 INFO L276 IsEmpty]: Start isEmpty. Operand 7894 states and 11315 transitions. [2022-12-14 12:28:22,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-12-14 12:28:22,060 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:28:22,060 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:28:22,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 12:28:22,060 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_usb_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-12-14 12:28:22,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:28:22,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1044865365, now seen corresponding path program 1 times [2022-12-14 12:28:22,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:28:22,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353932807] [2022-12-14 12:28:22,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:28:22,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:28:22,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:28:22,279 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-12-14 12:28:22,279 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:28:22,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353932807] [2022-12-14 12:28:22,280 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353932807] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:28:22,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1747522763] [2022-12-14 12:28:22,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:28:22,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:28:22,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:28:22,281 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:28:22,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 12:28:22,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:28:22,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 2980 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 12:28:22,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:28:22,968 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-12-14 12:28:22,968 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 12:28:22,968 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1747522763] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:28:22,968 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 12:28:22,968 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2022-12-14 12:28:22,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455451527] [2022-12-14 12:28:22,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:28:22,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 12:28:22,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:28:22,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 12:28:22,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-12-14 12:28:22,970 INFO L87 Difference]: Start difference. First operand 7894 states and 11315 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-14 12:28:24,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:28:24,144 INFO L93 Difference]: Finished difference Result 15764 states and 22601 transitions. [2022-12-14 12:28:24,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 12:28:24,145 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 96 [2022-12-14 12:28:24,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:28:24,163 INFO L225 Difference]: With dead ends: 15764 [2022-12-14 12:28:24,163 INFO L226 Difference]: Without dead ends: 7888 [2022-12-14 12:28:24,181 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-12-14 12:28:24,182 INFO L413 NwaCegarLoop]: 2503 mSDtfsCounter, 2796 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2796 SdHoareTripleChecker+Valid, 2503 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-14 12:28:24,182 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2796 Valid, 2503 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-14 12:28:24,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7888 states. [2022-12-14 12:28:24,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7888 to 7888. [2022-12-14 12:28:24,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7888 states, 4426 states have (on average 1.253050158156349) internal successors, (5546), 4673 states have internal predecessors, (5546), 2772 states have call successors, (2772), 707 states have call predecessors, (2772), 673 states have return successors, (2988), 2637 states have call predecessors, (2988), 2770 states have call successors, (2988) [2022-12-14 12:28:24,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7888 states to 7888 states and 11306 transitions. [2022-12-14 12:28:24,708 INFO L78 Accepts]: Start accepts. Automaton has 7888 states and 11306 transitions. Word has length 96 [2022-12-14 12:28:24,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:28:24,708 INFO L495 AbstractCegarLoop]: Abstraction has 7888 states and 11306 transitions. [2022-12-14 12:28:24,709 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-14 12:28:24,709 INFO L276 IsEmpty]: Start isEmpty. Operand 7888 states and 11306 transitions. [2022-12-14 12:28:24,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-12-14 12:28:24,710 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:28:24,710 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:28:24,719 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 12:28:24,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-12-14 12:28:24,912 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-12-14 12:28:24,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:28:24,913 INFO L85 PathProgramCache]: Analyzing trace with hash 419891356, now seen corresponding path program 1 times [2022-12-14 12:28:24,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:28:24,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905593042] [2022-12-14 12:28:24,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:28:24,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:28:24,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:28:25,134 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 12:28:25,134 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:28:25,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905593042] [2022-12-14 12:28:25,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905593042] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:28:25,135 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:28:25,135 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 12:28:25,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166361948] [2022-12-14 12:28:25,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:28:25,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 12:28:25,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:28:25,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 12:28:25,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:28:25,136 INFO L87 Difference]: Start difference. First operand 7888 states and 11306 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-14 12:28:26,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:28:26,884 INFO L93 Difference]: Finished difference Result 7888 states and 11306 transitions. [2022-12-14 12:28:26,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 12:28:26,885 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 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 91 [2022-12-14 12:28:26,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:28:26,903 INFO L225 Difference]: With dead ends: 7888 [2022-12-14 12:28:26,903 INFO L226 Difference]: Without dead ends: 7886 [2022-12-14 12:28:26,906 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:28:26,907 INFO L413 NwaCegarLoop]: 2500 mSDtfsCounter, 2783 mSDsluCounter, 2500 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2785 SdHoareTripleChecker+Valid, 5000 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-14 12:28:26,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2785 Valid, 5000 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-14 12:28:26,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7886 states. [2022-12-14 12:28:27,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7886 to 7886. [2022-12-14 12:28:27,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7886 states, 4425 states have (on average 1.2528813559322034) internal successors, (5544), 4671 states have internal predecessors, (5544), 2772 states have call successors, (2772), 707 states have call predecessors, (2772), 673 states have return successors, (2988), 2637 states have call predecessors, (2988), 2770 states have call successors, (2988) [2022-12-14 12:28:27,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7886 states to 7886 states and 11304 transitions. [2022-12-14 12:28:27,455 INFO L78 Accepts]: Start accepts. Automaton has 7886 states and 11304 transitions. Word has length 91 [2022-12-14 12:28:27,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:28:27,455 INFO L495 AbstractCegarLoop]: Abstraction has 7886 states and 11304 transitions. [2022-12-14 12:28:27,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-14 12:28:27,455 INFO L276 IsEmpty]: Start isEmpty. Operand 7886 states and 11304 transitions. [2022-12-14 12:28:27,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-12-14 12:28:27,456 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:28:27,456 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 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] [2022-12-14 12:28:27,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-14 12:28:27,457 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-12-14 12:28:27,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:28:27,457 INFO L85 PathProgramCache]: Analyzing trace with hash 125917783, now seen corresponding path program 1 times [2022-12-14 12:28:27,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:28:27,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379239845] [2022-12-14 12:28:27,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:28:27,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:28:27,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:28:28,780 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-12-14 12:28:28,780 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:28:28,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379239845] [2022-12-14 12:28:28,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379239845] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:28:28,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1093019522] [2022-12-14 12:28:28,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:28:28,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:28:28,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:28:28,782 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:28:28,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 12:28:29,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:28:29,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 3155 conjuncts, 58 conjunts are in the unsatisfiable core [2022-12-14 12:28:29,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:28:29,578 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-12-14 12:28:29,578 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 12:28:29,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1093019522] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:28:29,578 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 12:28:29,579 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [12] total 15 [2022-12-14 12:28:29,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194872338] [2022-12-14 12:28:29,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:28:29,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-14 12:28:29,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:28:29,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-14 12:28:29,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-12-14 12:28:29,580 INFO L87 Difference]: Start difference. First operand 7886 states and 11304 transitions. Second operand has 11 states, 8 states have (on average 6.25) internal successors, (50), 10 states have internal predecessors, (50), 6 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (21), 6 states have call predecessors, (21), 6 states have call successors, (21) [2022-12-14 12:28:33,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:28:33,563 INFO L93 Difference]: Finished difference Result 12917 states and 18352 transitions. [2022-12-14 12:28:33,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 12:28:33,564 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 6.25) internal successors, (50), 10 states have internal predecessors, (50), 6 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (21), 6 states have call predecessors, (21), 6 states have call successors, (21) Word has length 104 [2022-12-14 12:28:33,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:28:33,585 INFO L225 Difference]: With dead ends: 12917 [2022-12-14 12:28:33,585 INFO L226 Difference]: Without dead ends: 7933 [2022-12-14 12:28:33,598 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 106 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=320, Unknown=0, NotChecked=0, Total=380 [2022-12-14 12:28:33,599 INFO L413 NwaCegarLoop]: 2492 mSDtfsCounter, 25 mSDsluCounter, 22227 mSDsCounter, 0 mSdLazyCounter, 3543 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 24719 SdHoareTripleChecker+Invalid, 3637 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 3543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:28:33,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 24719 Invalid, 3637 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [94 Valid, 3543 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-12-14 12:28:33,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7933 states. [2022-12-14 12:28:34,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7933 to 7904. [2022-12-14 12:28:34,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7904 states, 4435 states have (on average 1.2523111612175875) internal successors, (5554), 4681 states have internal predecessors, (5554), 2780 states have call successors, (2780), 707 states have call predecessors, (2780), 673 states have return successors, (2996), 2645 states have call predecessors, (2996), 2778 states have call successors, (2996) [2022-12-14 12:28:34,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7904 states to 7904 states and 11330 transitions. [2022-12-14 12:28:34,190 INFO L78 Accepts]: Start accepts. Automaton has 7904 states and 11330 transitions. Word has length 104 [2022-12-14 12:28:34,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:28:34,190 INFO L495 AbstractCegarLoop]: Abstraction has 7904 states and 11330 transitions. [2022-12-14 12:28:34,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 6.25) internal successors, (50), 10 states have internal predecessors, (50), 6 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (21), 6 states have call predecessors, (21), 6 states have call successors, (21) [2022-12-14 12:28:34,190 INFO L276 IsEmpty]: Start isEmpty. Operand 7904 states and 11330 transitions. [2022-12-14 12:28:34,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-12-14 12:28:34,191 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:28:34,191 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:28:34,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-12-14 12:28:34,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-12-14 12:28:34,393 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-12-14 12:28:34,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:28:34,394 INFO L85 PathProgramCache]: Analyzing trace with hash 456952633, now seen corresponding path program 1 times [2022-12-14 12:28:34,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:28:34,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767013283] [2022-12-14 12:28:34,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:28:34,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:28:34,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:28:34,642 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 12:28:34,642 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:28:34,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767013283] [2022-12-14 12:28:34,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767013283] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:28:34,643 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:28:34,643 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 12:28:34,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773574695] [2022-12-14 12:28:34,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:28:34,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 12:28:34,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:28:34,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 12:28:34,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:28:34,644 INFO L87 Difference]: Start difference. First operand 7904 states and 11330 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 12:28:36,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:28:36,024 INFO L93 Difference]: Finished difference Result 7904 states and 11330 transitions. [2022-12-14 12:28:36,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 12:28:36,025 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 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 96 [2022-12-14 12:28:36,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:28:36,042 INFO L225 Difference]: With dead ends: 7904 [2022-12-14 12:28:36,042 INFO L226 Difference]: Without dead ends: 7902 [2022-12-14 12:28:36,045 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:28:36,045 INFO L413 NwaCegarLoop]: 2498 mSDtfsCounter, 2780 mSDsluCounter, 2498 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2782 SdHoareTripleChecker+Valid, 4996 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 12:28:36,045 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2782 Valid, 4996 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 12:28:36,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7902 states. [2022-12-14 12:28:36,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7902 to 7902. [2022-12-14 12:28:36,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7902 states, 4434 states have (on average 1.2521425349571493) internal successors, (5552), 4679 states have internal predecessors, (5552), 2780 states have call successors, (2780), 707 states have call predecessors, (2780), 673 states have return successors, (2996), 2645 states have call predecessors, (2996), 2778 states have call successors, (2996) [2022-12-14 12:28:36,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7902 states to 7902 states and 11328 transitions. [2022-12-14 12:28:36,647 INFO L78 Accepts]: Start accepts. Automaton has 7902 states and 11328 transitions. Word has length 96 [2022-12-14 12:28:36,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:28:36,647 INFO L495 AbstractCegarLoop]: Abstraction has 7902 states and 11328 transitions. [2022-12-14 12:28:36,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 12:28:36,647 INFO L276 IsEmpty]: Start isEmpty. Operand 7902 states and 11328 transitions. [2022-12-14 12:28:36,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-12-14 12:28:36,649 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:28:36,649 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:28:36,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-14 12:28:36,649 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-12-14 12:28:36,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:28:36,649 INFO L85 PathProgramCache]: Analyzing trace with hash -784321684, now seen corresponding path program 1 times [2022-12-14 12:28:36,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:28:36,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722314101] [2022-12-14 12:28:36,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:28:36,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:28:36,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:28:36,855 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 12:28:36,855 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:28:36,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722314101] [2022-12-14 12:28:36,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722314101] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:28:36,856 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:28:36,856 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 12:28:36,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218164581] [2022-12-14 12:28:36,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:28:36,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 12:28:36,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:28:36,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 12:28:36,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:28:36,857 INFO L87 Difference]: Start difference. First operand 7902 states and 11328 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, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-14 12:28:38,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:28:38,295 INFO L93 Difference]: Finished difference Result 7902 states and 11328 transitions. [2022-12-14 12:28:38,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 12:28:38,295 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, (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 101 [2022-12-14 12:28:38,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:28:38,313 INFO L225 Difference]: With dead ends: 7902 [2022-12-14 12:28:38,313 INFO L226 Difference]: Without dead ends: 7900 [2022-12-14 12:28:38,316 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:28:38,316 INFO L413 NwaCegarLoop]: 2496 mSDtfsCounter, 2777 mSDsluCounter, 2496 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2779 SdHoareTripleChecker+Valid, 4992 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-14 12:28:38,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2779 Valid, 4992 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-14 12:28:38,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7900 states. [2022-12-14 12:28:38,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7900 to 7900. [2022-12-14 12:28:38,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7900 states, 4433 states have (on average 1.251973832618994) internal successors, (5550), 4677 states have internal predecessors, (5550), 2780 states have call successors, (2780), 707 states have call predecessors, (2780), 673 states have return successors, (2996), 2645 states have call predecessors, (2996), 2778 states have call successors, (2996) [2022-12-14 12:28:38,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7900 states to 7900 states and 11326 transitions. [2022-12-14 12:28:38,967 INFO L78 Accepts]: Start accepts. Automaton has 7900 states and 11326 transitions. Word has length 101 [2022-12-14 12:28:38,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:28:38,968 INFO L495 AbstractCegarLoop]: Abstraction has 7900 states and 11326 transitions. [2022-12-14 12:28:38,968 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, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-14 12:28:38,968 INFO L276 IsEmpty]: Start isEmpty. Operand 7900 states and 11326 transitions. [2022-12-14 12:28:38,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-12-14 12:28:38,969 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:28:38,969 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 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] [2022-12-14 12:28:38,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-14 12:28:38,969 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-12-14 12:28:38,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:28:38,970 INFO L85 PathProgramCache]: Analyzing trace with hash 1284377492, now seen corresponding path program 1 times [2022-12-14 12:28:38,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:28:38,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746474929] [2022-12-14 12:28:38,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:28:38,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:28:39,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:28:39,339 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-12-14 12:28:39,339 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:28:39,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746474929] [2022-12-14 12:28:39,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746474929] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:28:39,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2032512782] [2022-12-14 12:28:39,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:28:39,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:28:39,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:28:39,341 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:28:39,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 12:28:39,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:28:39,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 3255 conjuncts, 27 conjunts are in the unsatisfiable core [2022-12-14 12:28:39,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:28:39,876 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-12-14 12:28:39,876 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 12:28:39,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2032512782] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:28:39,876 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 12:28:39,876 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 7 [2022-12-14 12:28:39,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306751520] [2022-12-14 12:28:39,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:28:39,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 12:28:39,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:28:39,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 12:28:39,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-14 12:28:39,878 INFO L87 Difference]: Start difference. First operand 7900 states and 11326 transitions. Second operand has 7 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-14 12:28:42,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:28:42,656 INFO L93 Difference]: Finished difference Result 13798 states and 19813 transitions. [2022-12-14 12:28:42,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 12:28:42,657 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) Word has length 116 [2022-12-14 12:28:42,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:28:42,678 INFO L225 Difference]: With dead ends: 13798 [2022-12-14 12:28:42,678 INFO L226 Difference]: Without dead ends: 8497 [2022-12-14 12:28:42,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-12-14 12:28:42,689 INFO L413 NwaCegarLoop]: 2779 mSDtfsCounter, 219 mSDsluCounter, 13532 mSDsCounter, 0 mSdLazyCounter, 2346 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 371 SdHoareTripleChecker+Valid, 16311 SdHoareTripleChecker+Invalid, 2420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 2346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-12-14 12:28:42,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [371 Valid, 16311 Invalid, 2420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 2346 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-12-14 12:28:42,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8497 states. [2022-12-14 12:28:43,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8497 to 7902. [2022-12-14 12:28:43,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7902 states, 4435 states have (on average 1.251860202931229) internal successors, (5552), 4679 states have internal predecessors, (5552), 2780 states have call successors, (2780), 707 states have call predecessors, (2780), 673 states have return successors, (2996), 2645 states have call predecessors, (2996), 2778 states have call successors, (2996) [2022-12-14 12:28:43,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7902 states to 7902 states and 11328 transitions. [2022-12-14 12:28:43,327 INFO L78 Accepts]: Start accepts. Automaton has 7902 states and 11328 transitions. Word has length 116 [2022-12-14 12:28:43,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:28:43,328 INFO L495 AbstractCegarLoop]: Abstraction has 7902 states and 11328 transitions. [2022-12-14 12:28:43,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-14 12:28:43,328 INFO L276 IsEmpty]: Start isEmpty. Operand 7902 states and 11328 transitions. [2022-12-14 12:28:43,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-12-14 12:28:43,329 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:28:43,329 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:28:43,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-12-14 12:28:43,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:28:43,530 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-12-14 12:28:43,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:28:43,531 INFO L85 PathProgramCache]: Analyzing trace with hash 676317335, now seen corresponding path program 1 times [2022-12-14 12:28:43,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:28:43,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503632110] [2022-12-14 12:28:43,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:28:43,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:28:43,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:28:43,756 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 12:28:43,757 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:28:43,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503632110] [2022-12-14 12:28:43,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503632110] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:28:43,757 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:28:43,757 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 12:28:43,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553847844] [2022-12-14 12:28:43,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:28:43,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 12:28:43,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:28:43,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 12:28:43,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:28:43,758 INFO L87 Difference]: Start difference. First operand 7902 states and 11328 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-14 12:28:45,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:28:45,499 INFO L93 Difference]: Finished difference Result 7902 states and 11328 transitions. [2022-12-14 12:28:45,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 12:28:45,500 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 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 106 [2022-12-14 12:28:45,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:28:45,519 INFO L225 Difference]: With dead ends: 7902 [2022-12-14 12:28:45,519 INFO L226 Difference]: Without dead ends: 7900 [2022-12-14 12:28:45,522 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:28:45,522 INFO L413 NwaCegarLoop]: 2494 mSDtfsCounter, 2774 mSDsluCounter, 2494 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2776 SdHoareTripleChecker+Valid, 4988 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 12:28:45,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2776 Valid, 4988 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 12:28:45,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7900 states. [2022-12-14 12:28:46,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7900 to 7900. [2022-12-14 12:28:46,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7900 states, 4434 states have (on average 1.2516914749661705) internal successors, (5550), 4677 states have internal predecessors, (5550), 2780 states have call successors, (2780), 707 states have call predecessors, (2780), 673 states have return successors, (2996), 2645 states have call predecessors, (2996), 2778 states have call successors, (2996) [2022-12-14 12:28:46,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7900 states to 7900 states and 11326 transitions. [2022-12-14 12:28:46,186 INFO L78 Accepts]: Start accepts. Automaton has 7900 states and 11326 transitions. Word has length 106 [2022-12-14 12:28:46,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:28:46,186 INFO L495 AbstractCegarLoop]: Abstraction has 7900 states and 11326 transitions. [2022-12-14 12:28:46,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-14 12:28:46,186 INFO L276 IsEmpty]: Start isEmpty. Operand 7900 states and 11326 transitions. [2022-12-14 12:28:46,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-12-14 12:28:46,187 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:28:46,187 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:28:46,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-14 12:28:46,187 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-12-14 12:28:46,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:28:46,187 INFO L85 PathProgramCache]: Analyzing trace with hash -621517876, now seen corresponding path program 1 times [2022-12-14 12:28:46,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:28:46,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456538167] [2022-12-14 12:28:46,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:28:46,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:28:46,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:28:46,401 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 12:28:46,401 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:28:46,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456538167] [2022-12-14 12:28:46,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456538167] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:28:46,402 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:28:46,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 12:28:46,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205015579] [2022-12-14 12:28:46,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:28:46,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 12:28:46,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:28:46,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 12:28:46,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:28:46,403 INFO L87 Difference]: Start difference. First operand 7900 states and 11326 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-14 12:28:47,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:28:47,890 INFO L93 Difference]: Finished difference Result 7900 states and 11326 transitions. [2022-12-14 12:28:47,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 12:28:47,891 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 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 111 [2022-12-14 12:28:47,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:28:47,908 INFO L225 Difference]: With dead ends: 7900 [2022-12-14 12:28:47,908 INFO L226 Difference]: Without dead ends: 7898 [2022-12-14 12:28:47,911 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:28:47,911 INFO L413 NwaCegarLoop]: 2492 mSDtfsCounter, 2771 mSDsluCounter, 2492 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2773 SdHoareTripleChecker+Valid, 4984 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 12:28:47,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2773 Valid, 4984 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 12:28:47,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7898 states. [2022-12-14 12:28:48,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7898 to 7898. [2022-12-14 12:28:48,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7898 states, 4433 states have (on average 1.2515226708775096) internal successors, (5548), 4675 states have internal predecessors, (5548), 2780 states have call successors, (2780), 707 states have call predecessors, (2780), 673 states have return successors, (2996), 2645 states have call predecessors, (2996), 2778 states have call successors, (2996) [2022-12-14 12:28:48,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7898 states to 7898 states and 11324 transitions. [2022-12-14 12:28:48,604 INFO L78 Accepts]: Start accepts. Automaton has 7898 states and 11324 transitions. Word has length 111 [2022-12-14 12:28:48,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:28:48,604 INFO L495 AbstractCegarLoop]: Abstraction has 7898 states and 11324 transitions. [2022-12-14 12:28:48,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-14 12:28:48,605 INFO L276 IsEmpty]: Start isEmpty. Operand 7898 states and 11324 transitions. [2022-12-14 12:28:48,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-12-14 12:28:48,606 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:28:48,606 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:28:48,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-14 12:28:48,606 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-12-14 12:28:48,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:28:48,607 INFO L85 PathProgramCache]: Analyzing trace with hash -1710683644, now seen corresponding path program 1 times [2022-12-14 12:28:48,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:28:48,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547239297] [2022-12-14 12:28:48,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:28:48,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:28:48,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:28:48,830 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 12:28:48,830 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:28:48,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547239297] [2022-12-14 12:28:48,830 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547239297] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:28:48,830 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:28:48,830 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 12:28:48,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309791123] [2022-12-14 12:28:48,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:28:48,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 12:28:48,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:28:48,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 12:28:48,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:28:48,831 INFO L87 Difference]: Start difference. First operand 7898 states and 11324 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-14 12:28:50,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:28:50,415 INFO L93 Difference]: Finished difference Result 7898 states and 11324 transitions. [2022-12-14 12:28:50,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 12:28:50,415 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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 116 [2022-12-14 12:28:50,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:28:50,433 INFO L225 Difference]: With dead ends: 7898 [2022-12-14 12:28:50,433 INFO L226 Difference]: Without dead ends: 7896 [2022-12-14 12:28:50,436 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:28:50,436 INFO L413 NwaCegarLoop]: 2490 mSDtfsCounter, 2768 mSDsluCounter, 2490 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2770 SdHoareTripleChecker+Valid, 4980 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-14 12:28:50,437 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2770 Valid, 4980 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-14 12:28:50,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7896 states. [2022-12-14 12:28:51,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7896 to 7896. [2022-12-14 12:28:51,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7896 states, 4432 states have (on average 1.2513537906137184) internal successors, (5546), 4673 states have internal predecessors, (5546), 2780 states have call successors, (2780), 707 states have call predecessors, (2780), 673 states have return successors, (2996), 2645 states have call predecessors, (2996), 2778 states have call successors, (2996) [2022-12-14 12:28:51,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7896 states to 7896 states and 11322 transitions. [2022-12-14 12:28:51,183 INFO L78 Accepts]: Start accepts. Automaton has 7896 states and 11322 transitions. Word has length 116 [2022-12-14 12:28:51,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:28:51,183 INFO L495 AbstractCegarLoop]: Abstraction has 7896 states and 11322 transitions. [2022-12-14 12:28:51,183 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-14 12:28:51,183 INFO L276 IsEmpty]: Start isEmpty. Operand 7896 states and 11322 transitions. [2022-12-14 12:28:51,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-12-14 12:28:51,184 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:28:51,184 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:28:51,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-12-14 12:28:51,184 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-12-14 12:28:51,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:28:51,185 INFO L85 PathProgramCache]: Analyzing trace with hash 91754638, now seen corresponding path program 1 times [2022-12-14 12:28:51,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:28:51,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456338541] [2022-12-14 12:28:51,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:28:51,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:28:51,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:28:51,596 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 12:28:51,596 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:28:51,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456338541] [2022-12-14 12:28:51,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456338541] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:28:51,597 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:28:51,597 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 12:28:51,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919046097] [2022-12-14 12:28:51,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:28:51,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 12:28:51,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:28:51,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 12:28:51,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:28:51,598 INFO L87 Difference]: Start difference. First operand 7896 states and 11322 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-14 12:28:53,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:28:53,541 INFO L93 Difference]: Finished difference Result 7896 states and 11322 transitions. [2022-12-14 12:28:53,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 12:28:53,541 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 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 121 [2022-12-14 12:28:53,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:28:53,561 INFO L225 Difference]: With dead ends: 7896 [2022-12-14 12:28:53,561 INFO L226 Difference]: Without dead ends: 7894 [2022-12-14 12:28:53,564 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:28:53,564 INFO L413 NwaCegarLoop]: 2488 mSDtfsCounter, 2765 mSDsluCounter, 2488 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2767 SdHoareTripleChecker+Valid, 4976 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-14 12:28:53,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2767 Valid, 4976 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-14 12:28:53,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7894 states. [2022-12-14 12:28:54,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7894 to 7894. [2022-12-14 12:28:54,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7894 states, 4431 states have (on average 1.2511848341232228) internal successors, (5544), 4671 states have internal predecessors, (5544), 2780 states have call successors, (2780), 707 states have call predecessors, (2780), 673 states have return successors, (2996), 2645 states have call predecessors, (2996), 2778 states have call successors, (2996) [2022-12-14 12:28:54,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7894 states to 7894 states and 11320 transitions. [2022-12-14 12:28:54,342 INFO L78 Accepts]: Start accepts. Automaton has 7894 states and 11320 transitions. Word has length 121 [2022-12-14 12:28:54,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:28:54,342 INFO L495 AbstractCegarLoop]: Abstraction has 7894 states and 11320 transitions. [2022-12-14 12:28:54,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-14 12:28:54,342 INFO L276 IsEmpty]: Start isEmpty. Operand 7894 states and 11320 transitions. [2022-12-14 12:28:54,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-12-14 12:28:54,343 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:28:54,343 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:28:54,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-12-14 12:28:54,343 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-12-14 12:28:54,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:28:54,344 INFO L85 PathProgramCache]: Analyzing trace with hash 1489260709, now seen corresponding path program 1 times [2022-12-14 12:28:54,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:28:54,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466053062] [2022-12-14 12:28:54,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:28:54,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:28:54,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:28:54,556 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2022-12-14 12:28:54,556 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:28:54,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466053062] [2022-12-14 12:28:54,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466053062] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:28:54,556 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:28:54,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 12:28:54,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122182647] [2022-12-14 12:28:54,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:28:54,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 12:28:54,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:28:54,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 12:28:54,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:28:54,558 INFO L87 Difference]: Start difference. First operand 7894 states and 11320 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-14 12:28:56,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:28:56,652 INFO L93 Difference]: Finished difference Result 15852 states and 23052 transitions. [2022-12-14 12:28:56,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 12:28:56,653 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 137 [2022-12-14 12:28:56,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:28:56,674 INFO L225 Difference]: With dead ends: 15852 [2022-12-14 12:28:56,674 INFO L226 Difference]: Without dead ends: 7978 [2022-12-14 12:28:56,692 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:28:56,693 INFO L413 NwaCegarLoop]: 2501 mSDtfsCounter, 16 mSDsluCounter, 4977 mSDsCounter, 0 mSdLazyCounter, 956 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 7478 SdHoareTripleChecker+Invalid, 959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 956 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:28:56,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 7478 Invalid, 959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 956 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-12-14 12:28:56,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7978 states. [2022-12-14 12:28:57,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7978 to 7882. [2022-12-14 12:28:57,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7882 states, 4435 states have (on average 1.2500563697857947) internal successors, (5544), 4675 states have internal predecessors, (5544), 2764 states have call successors, (2764), 707 states have call predecessors, (2764), 673 states have return successors, (2980), 2629 states have call predecessors, (2980), 2762 states have call successors, (2980) [2022-12-14 12:28:57,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7882 states to 7882 states and 11288 transitions. [2022-12-14 12:28:57,495 INFO L78 Accepts]: Start accepts. Automaton has 7882 states and 11288 transitions. Word has length 137 [2022-12-14 12:28:57,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:28:57,495 INFO L495 AbstractCegarLoop]: Abstraction has 7882 states and 11288 transitions. [2022-12-14 12:28:57,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-14 12:28:57,495 INFO L276 IsEmpty]: Start isEmpty. Operand 7882 states and 11288 transitions. [2022-12-14 12:28:57,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-12-14 12:28:57,496 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:28:57,496 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:28:57,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-12-14 12:28:57,497 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-12-14 12:28:57,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:28:57,497 INFO L85 PathProgramCache]: Analyzing trace with hash 1996875056, now seen corresponding path program 1 times [2022-12-14 12:28:57,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:28:57,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157995069] [2022-12-14 12:28:57,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:28:57,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:28:57,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:28:57,679 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2022-12-14 12:28:57,679 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:28:57,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157995069] [2022-12-14 12:28:57,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157995069] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:28:57,680 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:28:57,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 12:28:57,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13449498] [2022-12-14 12:28:57,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:28:57,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 12:28:57,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:28:57,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 12:28:57,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:28:57,680 INFO L87 Difference]: Start difference. First operand 7882 states and 11288 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-14 12:28:59,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:28:59,763 INFO L93 Difference]: Finished difference Result 15840 states and 23020 transitions. [2022-12-14 12:28:59,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 12:28:59,764 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 137 [2022-12-14 12:28:59,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:28:59,789 INFO L225 Difference]: With dead ends: 15840 [2022-12-14 12:28:59,789 INFO L226 Difference]: Without dead ends: 7978 [2022-12-14 12:28:59,807 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:28:59,808 INFO L413 NwaCegarLoop]: 2501 mSDtfsCounter, 15 mSDsluCounter, 4980 mSDsCounter, 0 mSdLazyCounter, 951 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 7481 SdHoareTripleChecker+Invalid, 953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 951 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-12-14 12:28:59,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 7481 Invalid, 953 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 951 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-12-14 12:28:59,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7978 states. [2022-12-14 12:29:00,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7978 to 7886. [2022-12-14 12:29:00,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7886 states, 4447 states have (on average 1.2493816055767935) internal successors, (5556), 4687 states have internal predecessors, (5556), 2764 states have call successors, (2764), 699 states have call predecessors, (2764), 665 states have return successors, (2980), 2629 states have call predecessors, (2980), 2762 states have call successors, (2980) [2022-12-14 12:29:00,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7886 states to 7886 states and 11300 transitions. [2022-12-14 12:29:00,608 INFO L78 Accepts]: Start accepts. Automaton has 7886 states and 11300 transitions. Word has length 137 [2022-12-14 12:29:00,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:29:00,609 INFO L495 AbstractCegarLoop]: Abstraction has 7886 states and 11300 transitions. [2022-12-14 12:29:00,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-14 12:29:00,609 INFO L276 IsEmpty]: Start isEmpty. Operand 7886 states and 11300 transitions. [2022-12-14 12:29:00,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-12-14 12:29:00,610 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:29:00,610 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:29:00,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-12-14 12:29:00,610 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-12-14 12:29:00,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:29:00,610 INFO L85 PathProgramCache]: Analyzing trace with hash -100805367, now seen corresponding path program 1 times [2022-12-14 12:29:00,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:29:00,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598772] [2022-12-14 12:29:00,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:29:00,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:29:00,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:29:00,798 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 12:29:00,798 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:29:00,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598772] [2022-12-14 12:29:00,798 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598772] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:29:00,799 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:29:00,799 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 12:29:00,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881964360] [2022-12-14 12:29:00,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:29:00,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 12:29:00,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:29:00,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 12:29:00,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:29:00,800 INFO L87 Difference]: Start difference. First operand 7886 states and 11300 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-12-14 12:29:02,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:29:02,492 INFO L93 Difference]: Finished difference Result 7886 states and 11300 transitions. [2022-12-14 12:29:02,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 12:29:02,493 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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 126 [2022-12-14 12:29:02,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:29:02,513 INFO L225 Difference]: With dead ends: 7886 [2022-12-14 12:29:02,513 INFO L226 Difference]: Without dead ends: 7884 [2022-12-14 12:29:02,517 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 [2022-12-14 12:29:02,517 INFO L413 NwaCegarLoop]: 2486 mSDtfsCounter, 2762 mSDsluCounter, 2486 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2764 SdHoareTripleChecker+Valid, 4972 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 12:29:02,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2764 Valid, 4972 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 12:29:02,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7884 states. [2022-12-14 12:29:03,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7884 to 7884. [2022-12-14 12:29:03,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7884 states, 4446 states have (on average 1.249212775528565) internal successors, (5554), 4685 states have internal predecessors, (5554), 2764 states have call successors, (2764), 699 states have call predecessors, (2764), 665 states have return successors, (2980), 2629 states have call predecessors, (2980), 2762 states have call successors, (2980) [2022-12-14 12:29:03,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7884 states to 7884 states and 11298 transitions. [2022-12-14 12:29:03,337 INFO L78 Accepts]: Start accepts. Automaton has 7884 states and 11298 transitions. Word has length 126 [2022-12-14 12:29:03,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:29:03,337 INFO L495 AbstractCegarLoop]: Abstraction has 7884 states and 11298 transitions. [2022-12-14 12:29:03,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-12-14 12:29:03,337 INFO L276 IsEmpty]: Start isEmpty. Operand 7884 states and 11298 transitions. [2022-12-14 12:29:03,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-12-14 12:29:03,338 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:29:03,339 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:29:03,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-12-14 12:29:03,339 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-12-14 12:29:03,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:29:03,339 INFO L85 PathProgramCache]: Analyzing trace with hash -629478658, now seen corresponding path program 1 times [2022-12-14 12:29:03,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:29:03,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277194018] [2022-12-14 12:29:03,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:29:03,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:29:03,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:29:03,544 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 12:29:03,545 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:29:03,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277194018] [2022-12-14 12:29:03,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277194018] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:29:03,545 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:29:03,545 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 12:29:03,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935510355] [2022-12-14 12:29:03,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:29:03,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 12:29:03,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:29:03,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 12:29:03,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:29:03,546 INFO L87 Difference]: Start difference. First operand 7884 states and 11298 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-12-14 12:29:05,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:29:05,336 INFO L93 Difference]: Finished difference Result 7884 states and 11298 transitions. [2022-12-14 12:29:05,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 12:29:05,336 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 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 131 [2022-12-14 12:29:05,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:29:05,355 INFO L225 Difference]: With dead ends: 7884 [2022-12-14 12:29:05,355 INFO L226 Difference]: Without dead ends: 7882 [2022-12-14 12:29:05,357 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:29:05,358 INFO L413 NwaCegarLoop]: 2484 mSDtfsCounter, 2759 mSDsluCounter, 2484 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2761 SdHoareTripleChecker+Valid, 4968 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-14 12:29:05,358 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2761 Valid, 4968 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-14 12:29:05,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7882 states. [2022-12-14 12:29:06,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7882 to 7882. [2022-12-14 12:29:06,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7882 states, 4445 states have (on average 1.2490438695163104) internal successors, (5552), 4683 states have internal predecessors, (5552), 2764 states have call successors, (2764), 699 states have call predecessors, (2764), 665 states have return successors, (2980), 2629 states have call predecessors, (2980), 2762 states have call successors, (2980) [2022-12-14 12:29:06,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7882 states to 7882 states and 11296 transitions. [2022-12-14 12:29:06,210 INFO L78 Accepts]: Start accepts. Automaton has 7882 states and 11296 transitions. Word has length 131 [2022-12-14 12:29:06,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:29:06,210 INFO L495 AbstractCegarLoop]: Abstraction has 7882 states and 11296 transitions. [2022-12-14 12:29:06,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-12-14 12:29:06,210 INFO L276 IsEmpty]: Start isEmpty. Operand 7882 states and 11296 transitions. [2022-12-14 12:29:06,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-12-14 12:29:06,211 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:29:06,212 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:29:06,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-12-14 12:29:06,212 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-12-14 12:29:06,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:29:06,212 INFO L85 PathProgramCache]: Analyzing trace with hash -1670194022, now seen corresponding path program 1 times [2022-12-14 12:29:06,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:29:06,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530243033] [2022-12-14 12:29:06,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:29:06,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:29:06,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:29:06,397 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 12:29:06,397 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:29:06,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530243033] [2022-12-14 12:29:06,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530243033] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:29:06,397 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:29:06,398 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 12:29:06,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429280477] [2022-12-14 12:29:06,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:29:06,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 12:29:06,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:29:06,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 12:29:06,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:29:06,399 INFO L87 Difference]: Start difference. First operand 7882 states and 11296 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-12-14 12:29:08,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:29:08,110 INFO L93 Difference]: Finished difference Result 7882 states and 11296 transitions. [2022-12-14 12:29:08,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 12:29:08,111 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 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 136 [2022-12-14 12:29:08,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:29:08,133 INFO L225 Difference]: With dead ends: 7882 [2022-12-14 12:29:08,133 INFO L226 Difference]: Without dead ends: 7880 [2022-12-14 12:29:08,136 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:29:08,137 INFO L413 NwaCegarLoop]: 2482 mSDtfsCounter, 2756 mSDsluCounter, 2482 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2758 SdHoareTripleChecker+Valid, 4964 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 12:29:08,137 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2758 Valid, 4964 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 12:29:08,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7880 states. [2022-12-14 12:29:09,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7880 to 7880. [2022-12-14 12:29:09,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7880 states, 4444 states have (on average 1.248874887488749) internal successors, (5550), 4681 states have internal predecessors, (5550), 2764 states have call successors, (2764), 699 states have call predecessors, (2764), 665 states have return successors, (2980), 2629 states have call predecessors, (2980), 2762 states have call successors, (2980) [2022-12-14 12:29:09,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7880 states to 7880 states and 11294 transitions. [2022-12-14 12:29:09,109 INFO L78 Accepts]: Start accepts. Automaton has 7880 states and 11294 transitions. Word has length 136 [2022-12-14 12:29:09,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:29:09,109 INFO L495 AbstractCegarLoop]: Abstraction has 7880 states and 11294 transitions. [2022-12-14 12:29:09,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-12-14 12:29:09,109 INFO L276 IsEmpty]: Start isEmpty. Operand 7880 states and 11294 transitions. [2022-12-14 12:29:09,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-12-14 12:29:09,110 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:29:09,111 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:29:09,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-12-14 12:29:09,111 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-12-14 12:29:09,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:29:09,111 INFO L85 PathProgramCache]: Analyzing trace with hash -359448848, now seen corresponding path program 1 times [2022-12-14 12:29:09,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:29:09,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130248789] [2022-12-14 12:29:09,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:29:09,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:29:09,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:29:09,299 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 12:29:09,299 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:29:09,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130248789] [2022-12-14 12:29:09,299 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130248789] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:29:09,299 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:29:09,299 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 12:29:09,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897406011] [2022-12-14 12:29:09,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:29:09,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 12:29:09,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:29:09,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 12:29:09,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:29:09,300 INFO L87 Difference]: Start difference. First operand 7880 states and 11294 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-12-14 12:29:11,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:29:11,040 INFO L93 Difference]: Finished difference Result 7880 states and 11294 transitions. [2022-12-14 12:29:11,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 12:29:11,041 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 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 141 [2022-12-14 12:29:11,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:29:11,060 INFO L225 Difference]: With dead ends: 7880 [2022-12-14 12:29:11,060 INFO L226 Difference]: Without dead ends: 7878 [2022-12-14 12:29:11,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:29:11,063 INFO L413 NwaCegarLoop]: 2480 mSDtfsCounter, 2753 mSDsluCounter, 2480 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2755 SdHoareTripleChecker+Valid, 4960 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 12:29:11,064 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2755 Valid, 4960 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 12:29:11,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7878 states. [2022-12-14 12:29:11,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7878 to 7878. [2022-12-14 12:29:11,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7878 states, 4443 states have (on average 1.2487058293945532) internal successors, (5548), 4679 states have internal predecessors, (5548), 2764 states have call successors, (2764), 699 states have call predecessors, (2764), 665 states have return successors, (2980), 2629 states have call predecessors, (2980), 2762 states have call successors, (2980) [2022-12-14 12:29:11,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7878 states to 7878 states and 11292 transitions. [2022-12-14 12:29:11,990 INFO L78 Accepts]: Start accepts. Automaton has 7878 states and 11292 transitions. Word has length 141 [2022-12-14 12:29:11,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:29:11,990 INFO L495 AbstractCegarLoop]: Abstraction has 7878 states and 11292 transitions. [2022-12-14 12:29:11,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-12-14 12:29:11,990 INFO L276 IsEmpty]: Start isEmpty. Operand 7878 states and 11292 transitions. [2022-12-14 12:29:11,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-12-14 12:29:11,992 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:29:11,992 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 12:29:11,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-12-14 12:29:11,992 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-12-14 12:29:11,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:29:11,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1308856086, now seen corresponding path program 1 times [2022-12-14 12:29:11,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:29:11,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789364523] [2022-12-14 12:29:11,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:29:11,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:29:12,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:29:12,192 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 12:29:12,192 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:29:12,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789364523] [2022-12-14 12:29:12,192 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789364523] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 12:29:12,192 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 12:29:12,192 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 12:29:12,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547165214] [2022-12-14 12:29:12,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 12:29:12,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 12:29:12,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 12:29:12,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 12:29:12,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 12:29:12,194 INFO L87 Difference]: Start difference. First operand 7878 states and 11292 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-14 12:29:14,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 12:29:14,457 INFO L93 Difference]: Finished difference Result 7878 states and 11292 transitions. [2022-12-14 12:29:14,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 12:29:14,457 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 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 146 [2022-12-14 12:29:14,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 12:29:14,475 INFO L225 Difference]: With dead ends: 7878 [2022-12-14 12:29:14,475 INFO L226 Difference]: Without dead ends: 7736 [2022-12-14 12:29:14,478 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 12:29:14,478 INFO L413 NwaCegarLoop]: 2479 mSDtfsCounter, 2750 mSDsluCounter, 2479 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2750 SdHoareTripleChecker+Valid, 4958 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-14 12:29:14,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2750 Valid, 4958 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-14 12:29:14,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7736 states. [2022-12-14 12:29:15,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7736 to 7736. [2022-12-14 12:29:15,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7736 states, 4369 states have (on average 1.2515449759670405) internal successors, (5468), 4602 states have internal predecessors, (5468), 2717 states have call successors, (2717), 679 states have call predecessors, (2717), 645 states have return successors, (2933), 2584 states have call predecessors, (2933), 2715 states have call successors, (2933) [2022-12-14 12:29:15,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7736 states to 7736 states and 11118 transitions. [2022-12-14 12:29:15,412 INFO L78 Accepts]: Start accepts. Automaton has 7736 states and 11118 transitions. Word has length 146 [2022-12-14 12:29:15,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 12:29:15,412 INFO L495 AbstractCegarLoop]: Abstraction has 7736 states and 11118 transitions. [2022-12-14 12:29:15,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-14 12:29:15,412 INFO L276 IsEmpty]: Start isEmpty. Operand 7736 states and 11118 transitions. [2022-12-14 12:29:15,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-12-14 12:29:15,414 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 12:29:15,414 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-14 12:29:15,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-12-14 12:29:15,414 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-12-14 12:29:15,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 12:29:15,414 INFO L85 PathProgramCache]: Analyzing trace with hash 124871641, now seen corresponding path program 1 times [2022-12-14 12:29:15,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 12:29:15,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297189051] [2022-12-14 12:29:15,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:29:15,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 12:29:15,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:29:15,929 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-12-14 12:29:15,929 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 12:29:15,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297189051] [2022-12-14 12:29:15,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297189051] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 12:29:15,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [561061268] [2022-12-14 12:29:15,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 12:29:15,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 12:29:15,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:29:15,930 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 12:29:15,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27222f2a-807d-4b0e-a6a2-b6544e84376d/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 12:29:16,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 12:29:16,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 3732 conjuncts, 54 conjunts are in the unsatisfiable core [2022-12-14 12:29:16,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 12:29:16,848 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 78 proven. 2 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2022-12-14 12:29:16,848 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 12:29:17,180 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 4 proven. 20 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2022-12-14 12:29:17,180 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [561061268] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 12:29:17,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1478809663] [2022-12-14 12:29:17,197 INFO L159 IcfgInterpreter]: Started Sifa with 98 locations of interest [2022-12-14 12:29:17,197 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 12:29:17,199 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 12:29:17,203 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 12:29:17,204 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 12:29:23,944 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-12-14 12:29:25,362 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-12-14 12:29:25,703 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-12-14 12:29:26,274 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-12-14 12:29:26,466 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-12-14 12:29:26,799 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-12-14 12:29:27,709 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-12-14 12:31:53,207 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 12:31:53,211 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 12:32:35,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,478 INFO L217 Elim1Store]: Index analysis took 382 ms [2022-12-14 12:32:35,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,490 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:32:35,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:35,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:37,975 INFO L321 Elim1Store]: treesize reduction 1312, result has 40.8 percent of original size [2022-12-14 12:32:37,979 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 576 select indices, 576 select index equivalence classes, 6244 disjoint index pairs (out of 165600 index pairs), introduced 576 new quantified variables, introduced 82 case distinctions, treesize of input 4368 treesize of output 6409 [2022-12-14 12:32:42,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:42,649 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-12-14 12:32:43,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:43,130 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:32:43,260 INFO L321 Elim1Store]: treesize reduction 72, result has 48.2 percent of original size [2022-12-14 12:32:43,261 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 82 select indices, 82 select index equivalence classes, 868 disjoint index pairs (out of 3321 index pairs), introduced 82 new quantified variables, introduced 6 case distinctions, treesize of input 738 treesize of output 1004 [2022-12-14 12:32:44,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:44,339 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 12:32:44,454 INFO L321 Elim1Store]: treesize reduction 84, result has 39.6 percent of original size [2022-12-14 12:32:44,455 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 82 select indices, 82 select index equivalence classes, 868 disjoint index pairs (out of 3321 index pairs), introduced 82 new quantified variables, introduced 6 case distinctions, treesize of input 738 treesize of output 992 [2022-12-14 12:32:45,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 12:32:45,248 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-12-14 12:32:46,778 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 91