./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--char--ipmi--ipmi_msghandler.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/bin/utaipan-TEXQjIfE4P --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 1b79bc3bed5bfb059718e76e7116aac9b8952405f0b578f08aab2c60e1303883 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 00:01:31,690 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 00:01:31,693 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 00:01:31,755 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 00:01:31,756 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 00:01:31,762 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 00:01:31,765 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 00:01:31,770 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 00:01:31,774 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 00:01:31,781 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 00:01:31,783 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 00:01:31,786 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 00:01:31,787 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 00:01:31,790 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 00:01:31,794 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 00:01:31,800 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 00:01:31,803 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 00:01:31,804 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 00:01:31,807 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 00:01:31,818 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 00:01:31,821 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 00:01:31,822 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 00:01:31,827 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 00:01:31,828 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 00:01:31,840 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 00:01:31,841 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 00:01:31,842 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 00:01:31,844 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 00:01:31,846 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 00:01:31,848 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 00:01:31,848 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 00:01:31,850 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 00:01:31,853 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 00:01:31,854 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 00:01:31,856 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 00:01:31,857 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 00:01:31,858 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 00:01:31,858 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 00:01:31,859 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 00:01:31,860 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 00:01:31,861 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 00:01:31,862 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-21 00:01:31,923 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 00:01:31,923 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 00:01:31,924 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 00:01:31,925 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 00:01:31,934 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 00:01:31,934 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 00:01:31,934 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 00:01:31,935 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 00:01:31,935 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 00:01:31,935 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 00:01:31,937 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 00:01:31,937 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 00:01:31,938 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 00:01:31,938 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 00:01:31,938 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 00:01:31,939 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 00:01:31,939 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 00:01:31,939 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 00:01:31,941 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 00:01:31,941 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 00:01:31,942 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 00:01:31,942 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 00:01:31,942 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 00:01:31,943 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 00:01:31,943 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 00:01:31,943 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 00:01:31,945 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 00:01:31,946 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 00:01:31,946 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 00:01:31,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:01:31,947 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 00:01:31,947 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 00:01:31,948 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 00:01:31,948 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 00:01:31,949 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 00:01:31,949 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 00:01:31,949 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 00:01:31,950 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 00:01:31,950 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b79bc3bed5bfb059718e76e7116aac9b8952405f0b578f08aab2c60e1303883 [2021-11-21 00:01:32,355 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 00:01:32,391 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 00:01:32,394 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 00:01:32,396 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 00:01:32,397 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 00:01:32,399 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i [2021-11-21 00:01:32,497 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/bin/utaipan-TEXQjIfE4P/data/3901147f7/8e1e71dbbb68456d9ee9a0cb1e326ecf/FLAGe383087ef [2021-11-21 00:01:33,858 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 00:01:33,859 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i [2021-11-21 00:01:33,956 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/bin/utaipan-TEXQjIfE4P/data/3901147f7/8e1e71dbbb68456d9ee9a0cb1e326ecf/FLAGe383087ef [2021-11-21 00:01:34,430 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/bin/utaipan-TEXQjIfE4P/data/3901147f7/8e1e71dbbb68456d9ee9a0cb1e326ecf [2021-11-21 00:01:34,444 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 00:01:34,447 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 00:01:34,449 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 00:01:34,450 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 00:01:34,455 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 00:01:34,457 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:01:34" (1/1) ... [2021-11-21 00:01:34,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12366c75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:01:34, skipping insertion in model container [2021-11-21 00:01:34,459 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:01:34" (1/1) ... [2021-11-21 00:01:34,470 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 00:01:34,772 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 00:01:42,619 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[489067,489080] [2021-11-21 00:01:42,624 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[489212,489225] [2021-11-21 00:01:42,625 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[489358,489371] [2021-11-21 00:01:42,626 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[489523,489536] [2021-11-21 00:01:42,627 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[489681,489694] [2021-11-21 00:01:42,628 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[489839,489852] [2021-11-21 00:01:42,628 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[489997,490010] [2021-11-21 00:01:42,629 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[490157,490170] [2021-11-21 00:01:42,630 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[490316,490329] [2021-11-21 00:01:42,631 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[490455,490468] [2021-11-21 00:01:42,632 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[490597,490610] [2021-11-21 00:01:42,633 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[490746,490759] [2021-11-21 00:01:42,634 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[490885,490898] [2021-11-21 00:01:42,635 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[491040,491053] [2021-11-21 00:01:42,636 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[491200,491213] [2021-11-21 00:01:42,637 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[491351,491364] [2021-11-21 00:01:42,638 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[491502,491515] [2021-11-21 00:01:42,639 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[491654,491667] [2021-11-21 00:01:42,640 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[491803,491816] [2021-11-21 00:01:42,641 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[491951,491964] [2021-11-21 00:01:42,642 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[492108,492121] [2021-11-21 00:01:42,643 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[492257,492270] [2021-11-21 00:01:42,644 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[492413,492426] [2021-11-21 00:01:42,645 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[492566,492579] [2021-11-21 00:01:42,646 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[492712,492725] [2021-11-21 00:01:42,646 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[492855,492868] [2021-11-21 00:01:42,647 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[493007,493020] [2021-11-21 00:01:42,648 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[493153,493166] [2021-11-21 00:01:42,649 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[493298,493311] [2021-11-21 00:01:42,650 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[493452,493465] [2021-11-21 00:01:42,651 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[493603,493616] [2021-11-21 00:01:42,652 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[493758,493771] [2021-11-21 00:01:42,653 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[493910,493923] [2021-11-21 00:01:42,654 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[494065,494078] [2021-11-21 00:01:42,655 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[494229,494242] [2021-11-21 00:01:42,656 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[494385,494398] [2021-11-21 00:01:42,657 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[494549,494562] [2021-11-21 00:01:42,658 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[494691,494704] [2021-11-21 00:01:42,659 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[494849,494862] [2021-11-21 00:01:42,660 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[495016,495029] [2021-11-21 00:01:42,661 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[495175,495188] [2021-11-21 00:01:42,662 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[495334,495347] [2021-11-21 00:01:42,663 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[495483,495496] [2021-11-21 00:01:42,663 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[495630,495643] [2021-11-21 00:01:42,665 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[495769,495782] [2021-11-21 00:01:42,666 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[495932,495945] [2021-11-21 00:01:42,667 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[496098,496111] [2021-11-21 00:01:42,667 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[496262,496275] [2021-11-21 00:01:42,668 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[496427,496440] [2021-11-21 00:01:42,669 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[496592,496605] [2021-11-21 00:01:42,670 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[496758,496771] [2021-11-21 00:01:42,671 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[496923,496936] [2021-11-21 00:01:42,672 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[497090,497103] [2021-11-21 00:01:42,673 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[497250,497263] [2021-11-21 00:01:42,674 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[497412,497425] [2021-11-21 00:01:42,675 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[497571,497584] [2021-11-21 00:01:42,676 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[497717,497730] [2021-11-21 00:01:42,676 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[497860,497873] [2021-11-21 00:01:42,677 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[498004,498017] [2021-11-21 00:01:42,678 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[498147,498160] [2021-11-21 00:01:42,679 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[498291,498304] [2021-11-21 00:01:42,680 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[498432,498445] [2021-11-21 00:01:42,681 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[498570,498583] [2021-11-21 00:01:42,681 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[498728,498741] [2021-11-21 00:01:42,682 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[498887,498900] [2021-11-21 00:01:42,683 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[499043,499056] [2021-11-21 00:01:42,684 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[499192,499205] [2021-11-21 00:01:42,685 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[499344,499357] [2021-11-21 00:01:42,685 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[499495,499508] [2021-11-21 00:01:42,686 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[499644,499657] [2021-11-21 00:01:42,687 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[499796,499809] [2021-11-21 00:01:42,688 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[499944,499957] [2021-11-21 00:01:42,689 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[500097,500110] [2021-11-21 00:01:42,689 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[500248,500261] [2021-11-21 00:01:42,690 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[500398,500411] [2021-11-21 00:01:42,691 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[500545,500558] [2021-11-21 00:01:42,692 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[500696,500709] [2021-11-21 00:01:42,693 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[500847,500860] [2021-11-21 00:01:42,693 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[500995,501008] [2021-11-21 00:01:42,694 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[501161,501174] [2021-11-21 00:01:42,695 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[501330,501343] [2021-11-21 00:01:42,696 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[501497,501510] [2021-11-21 00:01:42,696 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[501665,501678] [2021-11-21 00:01:42,697 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[501815,501828] [2021-11-21 00:01:42,698 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[501962,501975] [2021-11-21 00:01:42,699 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[502123,502136] [2021-11-21 00:01:42,700 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[502293,502306] [2021-11-21 00:01:42,700 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[502455,502468] [2021-11-21 00:01:42,716 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:01:42,856 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 00:01:43,621 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[489067,489080] [2021-11-21 00:01:43,623 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[489212,489225] [2021-11-21 00:01:43,631 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[489358,489371] [2021-11-21 00:01:43,632 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[489523,489536] [2021-11-21 00:01:43,633 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[489681,489694] [2021-11-21 00:01:43,633 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[489839,489852] [2021-11-21 00:01:43,634 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[489997,490010] [2021-11-21 00:01:43,635 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[490157,490170] [2021-11-21 00:01:43,636 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[490316,490329] [2021-11-21 00:01:43,636 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[490455,490468] [2021-11-21 00:01:43,638 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[490597,490610] [2021-11-21 00:01:43,639 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[490746,490759] [2021-11-21 00:01:43,640 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[490885,490898] [2021-11-21 00:01:43,641 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[491040,491053] [2021-11-21 00:01:43,641 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[491200,491213] [2021-11-21 00:01:43,642 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[491351,491364] [2021-11-21 00:01:43,643 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[491502,491515] [2021-11-21 00:01:43,644 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[491654,491667] [2021-11-21 00:01:43,645 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[491803,491816] [2021-11-21 00:01:43,646 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[491951,491964] [2021-11-21 00:01:43,647 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[492108,492121] [2021-11-21 00:01:43,648 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[492257,492270] [2021-11-21 00:01:43,649 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[492413,492426] [2021-11-21 00:01:43,651 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[492566,492579] [2021-11-21 00:01:43,652 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[492712,492725] [2021-11-21 00:01:43,652 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[492855,492868] [2021-11-21 00:01:43,653 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[493007,493020] [2021-11-21 00:01:43,654 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[493153,493166] [2021-11-21 00:01:43,655 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[493298,493311] [2021-11-21 00:01:43,656 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[493452,493465] [2021-11-21 00:01:43,656 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[493603,493616] [2021-11-21 00:01:43,657 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[493758,493771] [2021-11-21 00:01:43,658 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[493910,493923] [2021-11-21 00:01:43,660 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[494065,494078] [2021-11-21 00:01:43,661 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[494229,494242] [2021-11-21 00:01:43,661 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[494385,494398] [2021-11-21 00:01:43,662 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[494549,494562] [2021-11-21 00:01:43,664 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[494691,494704] [2021-11-21 00:01:43,671 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[494849,494862] [2021-11-21 00:01:43,672 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[495016,495029] [2021-11-21 00:01:43,674 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[495175,495188] [2021-11-21 00:01:43,675 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[495334,495347] [2021-11-21 00:01:43,676 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[495483,495496] [2021-11-21 00:01:43,676 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[495630,495643] [2021-11-21 00:01:43,677 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[495769,495782] [2021-11-21 00:01:43,678 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[495932,495945] [2021-11-21 00:01:43,678 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[496098,496111] [2021-11-21 00:01:43,679 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[496262,496275] [2021-11-21 00:01:43,680 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[496427,496440] [2021-11-21 00:01:43,680 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[496592,496605] [2021-11-21 00:01:43,681 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[496758,496771] [2021-11-21 00:01:43,681 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[496923,496936] [2021-11-21 00:01:43,682 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[497090,497103] [2021-11-21 00:01:43,683 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[497250,497263] [2021-11-21 00:01:43,684 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[497412,497425] [2021-11-21 00:01:43,686 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[497571,497584] [2021-11-21 00:01:43,692 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[497717,497730] [2021-11-21 00:01:43,693 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[497860,497873] [2021-11-21 00:01:43,693 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[498004,498017] [2021-11-21 00:01:43,694 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[498147,498160] [2021-11-21 00:01:43,696 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[498291,498304] [2021-11-21 00:01:43,698 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[498432,498445] [2021-11-21 00:01:43,699 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[498570,498583] [2021-11-21 00:01:43,700 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[498728,498741] [2021-11-21 00:01:43,700 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[498887,498900] [2021-11-21 00:01:43,709 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[499043,499056] [2021-11-21 00:01:43,713 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[499192,499205] [2021-11-21 00:01:43,714 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[499344,499357] [2021-11-21 00:01:43,715 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[499495,499508] [2021-11-21 00:01:43,716 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[499644,499657] [2021-11-21 00:01:43,716 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[499796,499809] [2021-11-21 00:01:43,717 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[499944,499957] [2021-11-21 00:01:43,717 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[500097,500110] [2021-11-21 00:01:43,718 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[500248,500261] [2021-11-21 00:01:43,718 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[500398,500411] [2021-11-21 00:01:43,719 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[500545,500558] [2021-11-21 00:01:43,720 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[500696,500709] [2021-11-21 00:01:43,721 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[500847,500860] [2021-11-21 00:01:43,724 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[500995,501008] [2021-11-21 00:01:43,725 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[501161,501174] [2021-11-21 00:01:43,725 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[501330,501343] [2021-11-21 00:01:43,727 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[501497,501510] [2021-11-21 00:01:43,728 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[501665,501678] [2021-11-21 00:01:43,728 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[501815,501828] [2021-11-21 00:01:43,729 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[501962,501975] [2021-11-21 00:01:43,729 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[502123,502136] [2021-11-21 00:01:43,730 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[502293,502306] [2021-11-21 00:01:43,731 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i[502455,502468] [2021-11-21 00:01:43,737 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:01:44,175 INFO L208 MainTranslator]: Completed translation [2021-11-21 00:01:44,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:01:44 WrapperNode [2021-11-21 00:01:44,176 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 00:01:44,178 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 00:01:44,178 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 00:01:44,179 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 00:01:44,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:01:44" (1/1) ... [2021-11-21 00:01:44,405 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:01:44" (1/1) ... [2021-11-21 00:01:44,858 INFO L137 Inliner]: procedures = 805, calls = 4362, calls flagged for inlining = 353, calls inlined = 186, statements flattened = 5763 [2021-11-21 00:01:44,859 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 00:01:44,860 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 00:01:44,861 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 00:01:44,861 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 00:01:44,876 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:01:44" (1/1) ... [2021-11-21 00:01:44,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:01:44" (1/1) ... [2021-11-21 00:01:45,010 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:01:44" (1/1) ... [2021-11-21 00:01:45,011 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:01:44" (1/1) ... [2021-11-21 00:01:45,237 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:01:44" (1/1) ... [2021-11-21 00:01:45,276 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:01:44" (1/1) ... [2021-11-21 00:01:45,334 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:01:44" (1/1) ... [2021-11-21 00:01:45,392 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 00:01:45,394 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 00:01:45,394 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 00:01:45,394 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 00:01:45,396 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:01:44" (1/1) ... [2021-11-21 00:01:45,407 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:01:45,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:01:45,440 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 00:01:45,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d909c8c-8037-4a39-bd34-5c7b5f93e99b/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 00:01:45,494 INFO L130 BoogieDeclarations]: Found specification of procedure smi_stats_proc_open [2021-11-21 00:01:45,494 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_stats_proc_open [2021-11-21 00:01:45,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-21 00:01:45,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-21 00:01:45,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-21 00:01:45,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-21 00:01:45,495 INFO L130 BoogieDeclarations]: Found specification of procedure format_lan_msg [2021-11-21 00:01:45,495 INFO L138 BoogieDeclarations]: Found implementation of procedure format_lan_msg [2021-11-21 00:01:45,496 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_panic_request_and_wait [2021-11-21 00:01:45,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_panic_request_and_wait [2021-11-21 00:01:45,496 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-21 00:01:45,496 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-21 00:01:45,496 INFO L130 BoogieDeclarations]: Found specification of procedure smi_add_send_msg [2021-11-21 00:01:45,497 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_add_send_msg [2021-11-21 00:01:45,497 INFO L130 BoogieDeclarations]: Found specification of procedure intf_next_seq [2021-11-21 00:01:45,497 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_next_seq [2021-11-21 00:01:45,497 INFO L130 BoogieDeclarations]: Found specification of procedure PDE_DATA [2021-11-21 00:01:45,497 INFO L138 BoogieDeclarations]: Found implementation of procedure PDE_DATA [2021-11-21 00:01:45,498 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-21 00:01:45,498 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-21 00:01:45,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-21 00:01:45,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-21 00:01:45,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-21 00:01:45,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-21 00:01:45,499 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~ipmi_smi_t~0~X~$Pointer$~TO~VOID [2021-11-21 00:01:45,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~ipmi_smi_t~0~X~$Pointer$~TO~VOID [2021-11-21 00:01:45,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-21 00:01:45,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-21 00:01:45,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 00:01:45,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-21 00:01:45,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-21 00:01:45,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_195 [2021-11-21 00:01:45,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_195 [2021-11-21 00:01:45,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_194 [2021-11-21 00:01:45,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_194 [2021-11-21 00:01:45,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-21 00:01:45,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-21 00:01:45,501 INFO L130 BoogieDeclarations]: Found specification of procedure maintenance_mode_update [2021-11-21 00:01:45,502 INFO L138 BoogieDeclarations]: Found implementation of procedure maintenance_mode_update [2021-11-21 00:01:45,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_15_2 [2021-11-21 00:01:45,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_15_2 [2021-11-21 00:01:45,502 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-11-21 00:01:45,502 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-11-21 00:01:45,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-21 00:01:45,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-21 00:01:45,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_xmit_msgs_lock_of_ipmi_smi [2021-11-21 00:01:45,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_xmit_msgs_lock_of_ipmi_smi [2021-11-21 00:01:45,503 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2021-11-21 00:01:45,504 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2021-11-21 00:01:45,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 00:01:45,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-21 00:01:45,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-21 00:01:45,504 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-21 00:01:45,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-21 00:01:45,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 00:01:45,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-21 00:01:45,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-21 00:01:45,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 00:01:45,506 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-21 00:01:45,506 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-21 00:01:45,506 INFO L130 BoogieDeclarations]: Found specification of procedure handle_new_recv_msgs [2021-11-21 00:01:45,506 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_new_recv_msgs [2021-11-21 00:01:45,506 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-21 00:01:45,506 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-21 00:01:45,507 INFO L130 BoogieDeclarations]: Found specification of procedure intf_free [2021-11-21 00:01:45,507 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_free [2021-11-21 00:01:45,507 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-11-21 00:01:45,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-11-21 00:01:45,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 00:01:45,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 00:01:45,508 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_msg_received [2021-11-21 00:01:45,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_msg_received [2021-11-21 00:01:45,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-21 00:01:45,508 INFO L130 BoogieDeclarations]: Found specification of procedure intf_find_seq [2021-11-21 00:01:45,509 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_find_seq [2021-11-21 00:01:45,509 INFO L130 BoogieDeclarations]: Found specification of procedure handle_ipmb_get_msg_cmd [2021-11-21 00:01:45,509 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_ipmb_get_msg_cmd [2021-11-21 00:01:45,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_145 [2021-11-21 00:01:45,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_145 [2021-11-21 00:01:45,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_133 [2021-11-21 00:01:45,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_133 [2021-11-21 00:01:45,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_137 [2021-11-21 00:01:45,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_137 [2021-11-21 00:01:45,510 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_smi_msg [2021-11-21 00:01:45,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_smi_msg [2021-11-21 00:01:45,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-21 00:01:45,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-21 00:01:45,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_for_read_section [2021-11-21 00:01:45,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_for_read_section [2021-11-21 00:01:45,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-21 00:01:45,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-21 00:01:45,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 00:01:45,512 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-21 00:01:45,512 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-21 00:01:45,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-21 00:01:45,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-21 00:01:45,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_110 [2021-11-21 00:01:45,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_110 [2021-11-21 00:01:45,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 00:01:45,513 INFO L130 BoogieDeclarations]: Found specification of procedure find_cmd_rcvr [2021-11-21 00:01:45,514 INFO L138 BoogieDeclarations]: Found implementation of procedure find_cmd_rcvr [2021-11-21 00:01:45,514 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_init_msghandler [2021-11-21 00:01:45,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_init_msghandler [2021-11-21 00:01:45,514 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-21 00:01:45,514 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-21 00:01:45,515 INFO L130 BoogieDeclarations]: Found specification of procedure clean_up_interface_data [2021-11-21 00:01:45,515 INFO L138 BoogieDeclarations]: Found implementation of procedure clean_up_interface_data [2021-11-21 00:01:45,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-21 00:01:45,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-21 00:01:45,515 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_alloc_recv_msg [2021-11-21 00:01:45,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_alloc_recv_msg [2021-11-21 00:01:45,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-21 00:01:45,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-21 00:01:45,516 INFO L130 BoogieDeclarations]: Found specification of procedure handle_ipmb_get_msg_rsp [2021-11-21 00:01:45,516 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_ipmb_get_msg_rsp [2021-11-21 00:01:45,517 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2021-11-21 00:01:45,517 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2021-11-21 00:01:45,517 INFO L130 BoogieDeclarations]: Found specification of procedure smi_ipmb_proc_open [2021-11-21 00:01:45,517 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_ipmb_proc_open [2021-11-21 00:01:45,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-21 00:01:45,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-21 00:01:45,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 00:01:45,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-21 00:01:45,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-21 00:01:45,518 INFO L130 BoogieDeclarations]: Found specification of procedure is_ipmb_bcast_addr [2021-11-21 00:01:45,518 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ipmb_bcast_addr [2021-11-21 00:01:45,519 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_timeout_handler [2021-11-21 00:01:45,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_timeout_handler [2021-11-21 00:01:45,519 INFO L130 BoogieDeclarations]: Found specification of procedure intf_err_seq [2021-11-21 00:01:45,519 INFO L138 BoogieDeclarations]: Found implementation of procedure intf_err_seq [2021-11-21 00:01:45,519 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-21 00:01:45,520 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-21 00:01:45,520 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-21 00:01:45,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-21 00:01:45,520 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_timeout [2021-11-21 00:01:45,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_timeout [2021-11-21 00:01:45,520 INFO L130 BoogieDeclarations]: Found specification of procedure smi_recv_tasklet [2021-11-21 00:01:45,521 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_recv_tasklet [2021-11-21 00:01:45,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_179 [2021-11-21 00:01:45,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_179 [2021-11-21 00:01:45,521 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_free_recv_msg [2021-11-21 00:01:45,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_free_recv_msg [2021-11-21 00:01:45,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-21 00:01:45,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-21 00:01:45,522 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-21 00:01:45,522 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-21 00:01:45,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-21 00:01:45,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-21 00:01:45,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_events_lock_of_ipmi_smi [2021-11-21 00:01:45,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_events_lock_of_ipmi_smi [2021-11-21 00:01:45,523 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~bool~0~TO~VOID [2021-11-21 00:01:45,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~bool~0~TO~VOID [2021-11-21 00:01:45,524 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_poll [2021-11-21 00:01:45,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_poll [2021-11-21 00:01:45,524 INFO L130 BoogieDeclarations]: Found specification of procedure handle_lan_get_msg_cmd [2021-11-21 00:01:45,525 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_lan_get_msg_cmd [2021-11-21 00:01:45,525 INFO L130 BoogieDeclarations]: Found specification of procedure handle_bmc_rsp [2021-11-21 00:01:45,525 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_bmc_rsp [2021-11-21 00:01:45,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-21 00:01:45,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-21 00:01:45,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-21 00:01:45,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-21 00:01:45,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_maintenance_mode_lock_of_ipmi_smi [2021-11-21 00:01:45,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_maintenance_mode_lock_of_ipmi_smi [2021-11-21 00:01:45,526 INFO L130 BoogieDeclarations]: Found specification of procedure copy_event_into_recv_msg [2021-11-21 00:01:45,526 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_event_into_recv_msg [2021-11-21 00:01:45,527 INFO L130 BoogieDeclarations]: Found specification of procedure handle_oem_get_msg_cmd [2021-11-21 00:01:45,527 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_oem_get_msg_cmd [2021-11-21 00:01:45,527 INFO L130 BoogieDeclarations]: Found specification of procedure need_waiter [2021-11-21 00:01:45,527 INFO L138 BoogieDeclarations]: Found implementation of procedure need_waiter [2021-11-21 00:01:45,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-21 00:01:45,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-21 00:01:45,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-21 00:01:45,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-21 00:01:45,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-21 00:01:45,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-21 00:01:45,529 INFO L130 BoogieDeclarations]: Found specification of procedure smi_send [2021-11-21 00:01:45,529 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_send [2021-11-21 00:01:45,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 00:01:45,529 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-21 00:01:45,529 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-21 00:01:45,529 INFO L130 BoogieDeclarations]: Found specification of procedure i_ipmi_request [2021-11-21 00:01:45,530 INFO L138 BoogieDeclarations]: Found implementation of procedure i_ipmi_request [2021-11-21 00:01:45,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-21 00:01:45,530 INFO L130 BoogieDeclarations]: Found specification of procedure free_smi_msg_list [2021-11-21 00:01:45,530 INFO L138 BoogieDeclarations]: Found implementation of procedure free_smi_msg_list [2021-11-21 00:01:45,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-21 00:01:45,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-11-21 00:01:45,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-11-21 00:01:45,531 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2021-11-21 00:01:45,531 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2021-11-21 00:01:45,531 INFO L130 BoogieDeclarations]: Found specification of procedure deliver_err_response [2021-11-21 00:01:45,532 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver_err_response [2021-11-21 00:01:45,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-21 00:01:45,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-21 00:01:45,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-21 00:01:45,532 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-21 00:01:45,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-21 00:01:45,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-21 00:01:45,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_17_2 [2021-11-21 00:01:45,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_17_2 [2021-11-21 00:01:45,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-21 00:01:45,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-21 00:01:45,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_cmd_rcvrs_mutex_of_ipmi_smi [2021-11-21 00:01:45,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_cmd_rcvrs_mutex_of_ipmi_smi [2021-11-21 00:01:45,534 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-21 00:01:45,534 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-21 00:01:45,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-21 00:01:45,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-21 00:01:45,535 INFO L130 BoogieDeclarations]: Found specification of procedure smi_version_proc_open [2021-11-21 00:01:45,535 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_version_proc_open [2021-11-21 00:01:45,535 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2021-11-21 00:01:45,535 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2021-11-21 00:01:45,536 INFO L130 BoogieDeclarations]: Found specification of procedure send_channel_info_cmd [2021-11-21 00:01:45,536 INFO L138 BoogieDeclarations]: Found implementation of procedure send_channel_info_cmd [2021-11-21 00:01:45,536 INFO L130 BoogieDeclarations]: Found specification of procedure handle_one_recv_msg [2021-11-21 00:01:45,536 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_one_recv_msg [2021-11-21 00:01:45,536 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-21 00:01:45,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-21 00:01:45,537 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2021-11-21 00:01:45,537 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2021-11-21 00:01:45,537 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_alloc_smi_msg [2021-11-21 00:01:45,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_alloc_smi_msg [2021-11-21 00:01:45,538 INFO L130 BoogieDeclarations]: Found specification of procedure is_lan_addr [2021-11-21 00:01:45,538 INFO L138 BoogieDeclarations]: Found implementation of procedure is_lan_addr [2021-11-21 00:01:45,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-21 00:01:45,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-21 00:01:45,538 INFO L130 BoogieDeclarations]: Found specification of procedure channel_handler [2021-11-21 00:01:45,538 INFO L138 BoogieDeclarations]: Found implementation of procedure channel_handler [2021-11-21 00:01:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-11-21 00:01:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-11-21 00:01:45,539 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-11-21 00:01:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-21 00:01:45,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-21 00:01:45,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-21 00:01:45,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-21 00:01:45,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-21 00:01:45,540 INFO L130 BoogieDeclarations]: Found specification of procedure handle_read_event_rsp [2021-11-21 00:01:45,540 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_read_event_rsp [2021-11-21 00:01:45,541 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2021-11-21 00:01:45,541 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2021-11-21 00:01:45,541 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-21 00:01:45,541 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-21 00:01:45,541 INFO L130 BoogieDeclarations]: Found specification of procedure proc_mkdir [2021-11-21 00:01:45,542 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_mkdir [2021-11-21 00:01:45,542 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2021-11-21 00:01:45,542 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2021-11-21 00:01:45,542 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-21 00:01:45,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-21 00:01:45,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-21 00:01:45,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-21 00:01:45,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-21 00:01:45,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-21 00:01:45,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-21 00:01:45,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-21 00:01:45,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-21 00:01:45,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_waiting_rcv_msgs_lock_of_ipmi_smi [2021-11-21 00:01:45,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_waiting_rcv_msgs_lock_of_ipmi_smi [2021-11-21 00:01:45,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_cmd_rcvrs_mutex_of_ipmi_smi [2021-11-21 00:01:45,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_cmd_rcvrs_mutex_of_ipmi_smi [2021-11-21 00:01:45,545 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2021-11-21 00:01:45,545 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2021-11-21 00:01:45,545 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-21 00:01:45,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-21 00:01:45,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-21 00:01:45,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-21 00:01:45,546 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-21 00:01:45,546 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-21 00:01:45,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-21 00:01:45,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-21 00:01:45,547 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2021-11-21 00:01:45,547 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2021-11-21 00:01:45,547 INFO L130 BoogieDeclarations]: Found specification of procedure is_ipmb_addr [2021-11-21 00:01:45,547 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ipmb_addr [2021-11-21 00:01:45,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-21 00:01:45,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-21 00:01:45,548 INFO L130 BoogieDeclarations]: Found specification of procedure handle_lan_get_msg_rsp [2021-11-21 00:01:45,548 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_lan_get_msg_rsp [2021-11-21 00:01:45,548 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-21 00:01:45,548 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-21 00:01:45,548 INFO L130 BoogieDeclarations]: Found specification of procedure format_ipmb_msg [2021-11-21 00:01:45,549 INFO L138 BoogieDeclarations]: Found implementation of procedure format_ipmb_msg [2021-11-21 00:01:45,549 INFO L130 BoogieDeclarations]: Found specification of procedure free_recv_msg_list [2021-11-21 00:01:45,549 INFO L138 BoogieDeclarations]: Found implementation of procedure free_recv_msg_list [2021-11-21 00:01:45,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_15 [2021-11-21 00:01:45,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_15 [2021-11-21 00:01:45,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-21 00:01:45,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-21 00:01:45,550 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2021-11-21 00:01:45,550 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2021-11-21 00:01:45,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-21 00:01:45,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-21 00:01:45,551 INFO L130 BoogieDeclarations]: Found specification of procedure ipmb_checksum [2021-11-21 00:01:45,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmb_checksum [2021-11-21 00:01:45,551 INFO L130 BoogieDeclarations]: Found specification of procedure deliver_response [2021-11-21 00:01:45,551 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver_response [2021-11-21 00:01:45,551 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2021-11-21 00:01:45,552 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2021-11-21 00:01:45,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 00:01:45,552 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-21 00:01:45,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-21 00:01:45,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_seq_lock_of_ipmi_smi [2021-11-21 00:01:45,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_seq_lock_of_ipmi_smi [2021-11-21 00:01:45,553 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-21 00:01:46,945 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 00:01:46,954 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 00:01:47,574 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-21 00:02:00,393 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 00:02:01,396 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 00:02:01,397 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-21 00:02:01,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:02:01 BoogieIcfgContainer [2021-11-21 00:02:01,404 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 00:02:01,406 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 00:02:01,406 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 00:02:01,410 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 00:02:01,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:01:34" (1/3) ... [2021-11-21 00:02:01,412 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3486407d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:02:01, skipping insertion in model container [2021-11-21 00:02:01,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:01:44" (2/3) ... [2021-11-21 00:02:01,413 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3486407d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:02:01, skipping insertion in model container [2021-11-21 00:02:01,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:02:01" (3/3) ... [2021-11-21 00:02:01,415 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--char--ipmi--ipmi_msghandler.ko.cil.i [2021-11-21 00:02:01,433 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 00:02:01,434 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2021-11-21 00:02:01,526 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 00:02:01,542 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-21 00:02:01,551 INFO L340 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2021-11-21 00:02:01,632 INFO L276 IsEmpty]: Start isEmpty. Operand has 1759 states, 989 states have (on average 1.3326592517694642) internal successors, (1318), 1110 states have internal predecessors, (1318), 595 states have call successors, (595), 143 states have call predecessors, (595), 142 states have return successors, (590), 564 states have call predecessors, (590), 590 states have call successors, (590) [2021-11-21 00:02:01,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-21 00:02:01,640 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:02:01,640 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:02:01,641 INFO L402 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 30 more)] === [2021-11-21 00:02:01,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:02:01,648 INFO L85 PathProgramCache]: Analyzing trace with hash 71034492, now seen corresponding path program 1 times [2021-11-21 00:02:01,659 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:02:01,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158885428] [2021-11-21 00:02:01,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:02:01,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:02:02,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:02:02,642 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-21 00:02:02,643 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:02:02,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158885428] [2021-11-21 00:02:02,644 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158885428] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:02:02,644 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:02:02,644 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 00:02:02,646 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375474351] [2021-11-21 00:02:02,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:02:02,660 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 00:02:02,660 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:02:02,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 00:02:02,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:02:02,745 INFO L87 Difference]: Start difference. First operand has 1759 states, 989 states have (on average 1.3326592517694642) internal successors, (1318), 1110 states have internal predecessors, (1318), 595 states have call successors, (595), 143 states have call predecessors, (595), 142 states have return successors, (590), 564 states have call predecessors, (590), 590 states have call successors, (590) Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2021-11-21 00:02:12,498 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:02:14,487 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:02:17,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:02:17,626 INFO L93 Difference]: Finished difference Result 3989 states and 5867 transitions. [2021-11-21 00:02:17,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-21 00:02:17,630 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 42 [2021-11-21 00:02:17,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:02:17,674 INFO L225 Difference]: With dead ends: 3989 [2021-11-21 00:02:17,675 INFO L226 Difference]: Without dead ends: 2231 [2021-11-21 00:02:17,695 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-21 00:02:17,699 INFO L933 BasicCegarLoop]: 1806 mSDtfsCounter, 2708 mSDsluCounter, 919 mSDsCounter, 0 mSdLazyCounter, 3867 mSolverCounterSat, 2012 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2897 SdHoareTripleChecker+Valid, 2572 SdHoareTripleChecker+Invalid, 5880 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2012 IncrementalHoareTripleChecker+Valid, 3867 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.1s IncrementalHoareTripleChecker+Time [2021-11-21 00:02:17,701 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2897 Valid, 2572 Invalid, 5880 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2012 Valid, 3867 Invalid, 1 Unknown, 0 Unchecked, 14.1s Time] [2021-11-21 00:02:17,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2231 states. [2021-11-21 00:02:18,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2231 to 2186. [2021-11-21 00:02:18,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2186 states, 1216 states have (on average 1.2820723684210527) internal successors, (1559), 1356 states have internal predecessors, (1559), 756 states have call successors, (756), 182 states have call predecessors, (756), 182 states have return successors, (755), 722 states have call predecessors, (755), 754 states have call successors, (755) [2021-11-21 00:02:18,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2186 states to 2186 states and 3070 transitions. [2021-11-21 00:02:18,089 INFO L78 Accepts]: Start accepts. Automaton has 2186 states and 3070 transitions. Word has length 42 [2021-11-21 00:02:18,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:02:18,090 INFO L470 AbstractCegarLoop]: Abstraction has 2186 states and 3070 transitions. [2021-11-21 00:02:18,090 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2021-11-21 00:02:18,090 INFO L276 IsEmpty]: Start isEmpty. Operand 2186 states and 3070 transitions. [2021-11-21 00:02:18,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 00:02:18,094 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:02:18,095 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:02:18,095 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 00:02:18,095 INFO L402 AbstractCegarLoop]: === Iteration 2 === 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 30 more)] === [2021-11-21 00:02:18,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:02:18,096 INFO L85 PathProgramCache]: Analyzing trace with hash 1348296543, now seen corresponding path program 1 times [2021-11-21 00:02:18,097 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:02:18,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133837946] [2021-11-21 00:02:18,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:02:18,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:02:18,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:02:18,495 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-21 00:02:18,495 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:02:18,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133837946] [2021-11-21 00:02:18,496 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133837946] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:02:18,496 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:02:18,496 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:02:18,497 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080489171] [2021-11-21 00:02:18,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:02:18,499 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:02:18,500 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:02:18,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:02:18,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:02:18,501 INFO L87 Difference]: Start difference. First operand 2186 states and 3070 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-21 00:02:20,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:02:20,867 INFO L93 Difference]: Finished difference Result 2186 states and 3070 transitions. [2021-11-21 00:02:20,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:02:20,868 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 43 [2021-11-21 00:02:20,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:02:20,894 INFO L225 Difference]: With dead ends: 2186 [2021-11-21 00:02:20,894 INFO L226 Difference]: Without dead ends: 2184 [2021-11-21 00:02:20,899 INFO L932 BasicCegarLoop]: 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 [2021-11-21 00:02:20,903 INFO L933 BasicCegarLoop]: 2225 mSDtfsCounter, 2434 mSDsluCounter, 2447 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2436 SdHoareTripleChecker+Valid, 4450 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-21 00:02:20,904 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2436 Valid, 4450 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-21 00:02:20,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2184 states. [2021-11-21 00:02:21,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2184 to 2184. [2021-11-21 00:02:21,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2184 states, 1215 states have (on average 1.2806584362139917) internal successors, (1556), 1354 states have internal predecessors, (1556), 756 states have call successors, (756), 182 states have call predecessors, (756), 182 states have return successors, (755), 722 states have call predecessors, (755), 754 states have call successors, (755) [2021-11-21 00:02:21,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2184 states to 2184 states and 3067 transitions. [2021-11-21 00:02:21,213 INFO L78 Accepts]: Start accepts. Automaton has 2184 states and 3067 transitions. Word has length 43 [2021-11-21 00:02:21,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:02:21,214 INFO L470 AbstractCegarLoop]: Abstraction has 2184 states and 3067 transitions. [2021-11-21 00:02:21,214 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-21 00:02:21,215 INFO L276 IsEmpty]: Start isEmpty. Operand 2184 states and 3067 transitions. [2021-11-21 00:02:21,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-21 00:02:21,229 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:02:21,229 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:02:21,229 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 00:02:21,230 INFO L402 AbstractCegarLoop]: === Iteration 3 === 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 30 more)] === [2021-11-21 00:02:21,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:02:21,232 INFO L85 PathProgramCache]: Analyzing trace with hash -1679557590, now seen corresponding path program 1 times [2021-11-21 00:02:21,232 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:02:21,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597578024] [2021-11-21 00:02:21,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:02:21,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:02:21,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:02:21,689 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-21 00:02:21,689 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:02:21,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597578024] [2021-11-21 00:02:21,689 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597578024] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:02:21,690 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:02:21,690 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:02:21,690 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750909980] [2021-11-21 00:02:21,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:02:21,691 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:02:21,691 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:02:21,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:02:21,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:02:21,693 INFO L87 Difference]: Start difference. First operand 2184 states and 3067 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-21 00:02:24,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:02:24,198 INFO L93 Difference]: Finished difference Result 2184 states and 3067 transitions. [2021-11-21 00:02:24,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:02:24,199 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 48 [2021-11-21 00:02:24,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:02:24,223 INFO L225 Difference]: With dead ends: 2184 [2021-11-21 00:02:24,224 INFO L226 Difference]: Without dead ends: 2182 [2021-11-21 00:02:24,226 INFO L932 BasicCegarLoop]: 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 [2021-11-21 00:02:24,231 INFO L933 BasicCegarLoop]: 2223 mSDtfsCounter, 2431 mSDsluCounter, 2445 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2433 SdHoareTripleChecker+Valid, 4446 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-21 00:02:24,232 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2433 Valid, 4446 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-21 00:02:24,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2182 states. [2021-11-21 00:02:24,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2182 to 2182. [2021-11-21 00:02:24,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2182 states, 1214 states have (on average 1.2792421746293245) internal successors, (1553), 1352 states have internal predecessors, (1553), 756 states have call successors, (756), 182 states have call predecessors, (756), 182 states have return successors, (755), 722 states have call predecessors, (755), 754 states have call successors, (755) [2021-11-21 00:02:24,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2182 states to 2182 states and 3064 transitions. [2021-11-21 00:02:24,440 INFO L78 Accepts]: Start accepts. Automaton has 2182 states and 3064 transitions. Word has length 48 [2021-11-21 00:02:24,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:02:24,441 INFO L470 AbstractCegarLoop]: Abstraction has 2182 states and 3064 transitions. [2021-11-21 00:02:24,442 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-21 00:02:24,442 INFO L276 IsEmpty]: Start isEmpty. Operand 2182 states and 3064 transitions. [2021-11-21 00:02:24,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-21 00:02:24,445 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:02:24,445 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:02:24,446 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-21 00:02:24,447 INFO L402 AbstractCegarLoop]: === Iteration 4 === 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 30 more)] === [2021-11-21 00:02:24,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:02:24,447 INFO L85 PathProgramCache]: Analyzing trace with hash -2082750045, now seen corresponding path program 1 times [2021-11-21 00:02:24,448 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:02:24,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741545824] [2021-11-21 00:02:24,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:02:24,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:02:24,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:02:24,834 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-21 00:02:24,835 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:02:24,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741545824] [2021-11-21 00:02:24,835 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741545824] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:02:24,835 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:02:24,836 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:02:24,836 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623656154] [2021-11-21 00:02:24,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:02:24,837 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:02:24,837 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:02:24,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:02:24,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:02:24,838 INFO L87 Difference]: Start difference. First operand 2182 states and 3064 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-21 00:02:26,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:02:26,832 INFO L93 Difference]: Finished difference Result 2182 states and 3064 transitions. [2021-11-21 00:02:26,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:02:26,833 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 53 [2021-11-21 00:02:26,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:02:26,854 INFO L225 Difference]: With dead ends: 2182 [2021-11-21 00:02:26,854 INFO L226 Difference]: Without dead ends: 2180 [2021-11-21 00:02:26,856 INFO L932 BasicCegarLoop]: 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 [2021-11-21 00:02:26,857 INFO L933 BasicCegarLoop]: 2221 mSDtfsCounter, 2428 mSDsluCounter, 2443 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2430 SdHoareTripleChecker+Valid, 4442 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-21 00:02:26,858 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2430 Valid, 4442 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-21 00:02:26,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2180 states. [2021-11-21 00:02:27,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2180 to 2180. [2021-11-21 00:02:27,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2180 states, 1213 states have (on average 1.277823577906018) internal successors, (1550), 1350 states have internal predecessors, (1550), 756 states have call successors, (756), 182 states have call predecessors, (756), 182 states have return successors, (755), 722 states have call predecessors, (755), 754 states have call successors, (755) [2021-11-21 00:02:27,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2180 states to 2180 states and 3061 transitions. [2021-11-21 00:02:27,058 INFO L78 Accepts]: Start accepts. Automaton has 2180 states and 3061 transitions. Word has length 53 [2021-11-21 00:02:27,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:02:27,060 INFO L470 AbstractCegarLoop]: Abstraction has 2180 states and 3061 transitions. [2021-11-21 00:02:27,060 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-21 00:02:27,061 INFO L276 IsEmpty]: Start isEmpty. Operand 2180 states and 3061 transitions. [2021-11-21 00:02:27,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-21 00:02:27,063 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:02:27,064 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:02:27,064 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-21 00:02:27,064 INFO L402 AbstractCegarLoop]: === Iteration 5 === 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 30 more)] === [2021-11-21 00:02:27,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:02:27,065 INFO L85 PathProgramCache]: Analyzing trace with hash -564086438, now seen corresponding path program 1 times [2021-11-21 00:02:27,065 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:02:27,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811184480] [2021-11-21 00:02:27,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:02:27,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:02:27,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:02:27,449 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-21 00:02:27,449 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:02:27,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811184480] [2021-11-21 00:02:27,450 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811184480] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:02:27,450 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:02:27,450 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:02:27,451 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441649342] [2021-11-21 00:02:27,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:02:27,451 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:02:27,452 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:02:27,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:02:27,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:02:27,453 INFO L87 Difference]: Start difference. First operand 2180 states and 3061 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-21 00:02:29,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:02:29,391 INFO L93 Difference]: Finished difference Result 2180 states and 3061 transitions. [2021-11-21 00:02:29,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:02:29,392 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 58 [2021-11-21 00:02:29,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:02:29,414 INFO L225 Difference]: With dead ends: 2180 [2021-11-21 00:02:29,414 INFO L226 Difference]: Without dead ends: 2178 [2021-11-21 00:02:29,416 INFO L932 BasicCegarLoop]: 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 [2021-11-21 00:02:29,418 INFO L933 BasicCegarLoop]: 2219 mSDtfsCounter, 2425 mSDsluCounter, 2441 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2427 SdHoareTripleChecker+Valid, 4438 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-21 00:02:29,418 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2427 Valid, 4438 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-21 00:02:29,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2178 states. [2021-11-21 00:02:29,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2178 to 2178. [2021-11-21 00:02:29,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2178 states, 1212 states have (on average 1.2764026402640265) internal successors, (1547), 1348 states have internal predecessors, (1547), 756 states have call successors, (756), 182 states have call predecessors, (756), 182 states have return successors, (755), 722 states have call predecessors, (755), 754 states have call successors, (755) [2021-11-21 00:02:29,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2178 states to 2178 states and 3058 transitions. [2021-11-21 00:02:29,614 INFO L78 Accepts]: Start accepts. Automaton has 2178 states and 3058 transitions. Word has length 58 [2021-11-21 00:02:29,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:02:29,614 INFO L470 AbstractCegarLoop]: Abstraction has 2178 states and 3058 transitions. [2021-11-21 00:02:29,615 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-21 00:02:29,615 INFO L276 IsEmpty]: Start isEmpty. Operand 2178 states and 3058 transitions. [2021-11-21 00:02:29,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-21 00:02:29,617 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:02:29,618 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:02:29,618 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-21 00:02:29,619 INFO L402 AbstractCegarLoop]: === Iteration 6 === 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 30 more)] === [2021-11-21 00:02:29,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:02:29,620 INFO L85 PathProgramCache]: Analyzing trace with hash -38363645, now seen corresponding path program 1 times [2021-11-21 00:02:29,620 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:02:29,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223809222] [2021-11-21 00:02:29,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:02:29,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:02:29,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:02:29,998 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-21 00:02:29,998 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:02:29,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223809222] [2021-11-21 00:02:29,999 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223809222] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:02:29,999 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:02:29,999 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:02:30,000 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543007796] [2021-11-21 00:02:30,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:02:30,002 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:02:30,002 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:02:30,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:02:30,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:02:30,003 INFO L87 Difference]: Start difference. First operand 2178 states and 3058 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-21 00:02:31,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:02:31,863 INFO L93 Difference]: Finished difference Result 2178 states and 3058 transitions. [2021-11-21 00:02:31,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:02:31,864 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 63 [2021-11-21 00:02:31,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:02:31,886 INFO L225 Difference]: With dead ends: 2178 [2021-11-21 00:02:31,886 INFO L226 Difference]: Without dead ends: 2176 [2021-11-21 00:02:31,888 INFO L932 BasicCegarLoop]: 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 [2021-11-21 00:02:31,890 INFO L933 BasicCegarLoop]: 2217 mSDtfsCounter, 2422 mSDsluCounter, 2439 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2424 SdHoareTripleChecker+Valid, 4434 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-21 00:02:31,891 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2424 Valid, 4434 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-21 00:02:31,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2176 states. [2021-11-21 00:02:32,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2176 to 2176. [2021-11-21 00:02:32,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2176 states, 1211 states have (on average 1.2749793559042113) internal successors, (1544), 1346 states have internal predecessors, (1544), 756 states have call successors, (756), 182 states have call predecessors, (756), 182 states have return successors, (755), 722 states have call predecessors, (755), 754 states have call successors, (755) [2021-11-21 00:02:32,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2176 states to 2176 states and 3055 transitions. [2021-11-21 00:02:32,129 INFO L78 Accepts]: Start accepts. Automaton has 2176 states and 3055 transitions. Word has length 63 [2021-11-21 00:02:32,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:02:32,131 INFO L470 AbstractCegarLoop]: Abstraction has 2176 states and 3055 transitions. [2021-11-21 00:02:32,132 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-21 00:02:32,132 INFO L276 IsEmpty]: Start isEmpty. Operand 2176 states and 3055 transitions. [2021-11-21 00:02:32,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-21 00:02:32,134 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:02:32,135 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:02:32,135 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-21 00:02:32,135 INFO L402 AbstractCegarLoop]: === Iteration 7 === 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 30 more)] === [2021-11-21 00:02:32,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:02:32,136 INFO L85 PathProgramCache]: Analyzing trace with hash 294056382, now seen corresponding path program 1 times [2021-11-21 00:02:32,136 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:02:32,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910174902] [2021-11-21 00:02:32,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:02:32,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:02:32,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:02:32,435 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-21 00:02:32,435 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:02:32,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910174902] [2021-11-21 00:02:32,435 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910174902] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:02:32,436 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:02:32,436 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:02:32,436 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055966351] [2021-11-21 00:02:32,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:02:32,437 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:02:32,437 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:02:32,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:02:32,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:02:32,438 INFO L87 Difference]: Start difference. First operand 2176 states and 3055 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-21 00:02:34,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:02:34,557 INFO L93 Difference]: Finished difference Result 2176 states and 3055 transitions. [2021-11-21 00:02:34,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:02:34,559 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 68 [2021-11-21 00:02:34,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:02:34,585 INFO L225 Difference]: With dead ends: 2176 [2021-11-21 00:02:34,585 INFO L226 Difference]: Without dead ends: 2174 [2021-11-21 00:02:34,587 INFO L932 BasicCegarLoop]: 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 [2021-11-21 00:02:34,588 INFO L933 BasicCegarLoop]: 2215 mSDtfsCounter, 2419 mSDsluCounter, 2437 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2421 SdHoareTripleChecker+Valid, 4430 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-21 00:02:34,589 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2421 Valid, 4430 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-21 00:02:34,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2174 states. [2021-11-21 00:02:34,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2174 to 2174. [2021-11-21 00:02:34,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2174 states, 1210 states have (on average 1.2735537190082644) internal successors, (1541), 1344 states have internal predecessors, (1541), 756 states have call successors, (756), 182 states have call predecessors, (756), 182 states have return successors, (755), 722 states have call predecessors, (755), 754 states have call successors, (755) [2021-11-21 00:02:34,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2174 states to 2174 states and 3052 transitions. [2021-11-21 00:02:34,853 INFO L78 Accepts]: Start accepts. Automaton has 2174 states and 3052 transitions. Word has length 68 [2021-11-21 00:02:34,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:02:34,854 INFO L470 AbstractCegarLoop]: Abstraction has 2174 states and 3052 transitions. [2021-11-21 00:02:34,854 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-21 00:02:34,855 INFO L276 IsEmpty]: Start isEmpty. Operand 2174 states and 3052 transitions. [2021-11-21 00:02:34,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-21 00:02:34,859 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:02:34,859 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:02:34,859 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-21 00:02:34,860 INFO L402 AbstractCegarLoop]: === Iteration 8 === 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 30 more)] === [2021-11-21 00:02:34,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:02:34,862 INFO L85 PathProgramCache]: Analyzing trace with hash 463767737, now seen corresponding path program 1 times [2021-11-21 00:02:34,862 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:02:34,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057030350] [2021-11-21 00:02:34,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:02:34,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:02:35,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:02:35,214 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-21 00:02:35,214 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:02:35,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057030350] [2021-11-21 00:02:35,215 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057030350] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:02:35,215 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:02:35,215 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:02:35,215 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003229195] [2021-11-21 00:02:35,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:02:35,216 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:02:35,216 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:02:35,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:02:35,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:02:35,217 INFO L87 Difference]: Start difference. First operand 2174 states and 3052 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-21 00:02:37,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:02:37,861 INFO L93 Difference]: Finished difference Result 2174 states and 3052 transitions. [2021-11-21 00:02:37,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:02:37,862 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 73 [2021-11-21 00:02:37,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:02:37,885 INFO L225 Difference]: With dead ends: 2174 [2021-11-21 00:02:37,885 INFO L226 Difference]: Without dead ends: 2172 [2021-11-21 00:02:37,888 INFO L932 BasicCegarLoop]: 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 [2021-11-21 00:02:37,889 INFO L933 BasicCegarLoop]: 2213 mSDtfsCounter, 2416 mSDsluCounter, 2435 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2418 SdHoareTripleChecker+Valid, 4426 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-21 00:02:37,890 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2418 Valid, 4426 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-21 00:02:37,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2172 states. [2021-11-21 00:02:38,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2172 to 2172. [2021-11-21 00:02:38,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2172 states, 1209 states have (on average 1.272125723738627) internal successors, (1538), 1342 states have internal predecessors, (1538), 756 states have call successors, (756), 182 states have call predecessors, (756), 182 states have return successors, (755), 722 states have call predecessors, (755), 754 states have call successors, (755) [2021-11-21 00:02:38,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2172 states to 2172 states and 3049 transitions. [2021-11-21 00:02:38,102 INFO L78 Accepts]: Start accepts. Automaton has 2172 states and 3049 transitions. Word has length 73 [2021-11-21 00:02:38,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:02:38,104 INFO L470 AbstractCegarLoop]: Abstraction has 2172 states and 3049 transitions. [2021-11-21 00:02:38,104 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-21 00:02:38,104 INFO L276 IsEmpty]: Start isEmpty. Operand 2172 states and 3049 transitions. [2021-11-21 00:02:38,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-21 00:02:38,107 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:02:38,108 INFO L514 BasicCegarLoop]: 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] [2021-11-21 00:02:38,108 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-21 00:02:38,108 INFO L402 AbstractCegarLoop]: === Iteration 9 === 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 30 more)] === [2021-11-21 00:02:38,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:02:38,109 INFO L85 PathProgramCache]: Analyzing trace with hash 629891453, now seen corresponding path program 1 times [2021-11-21 00:02:38,109 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:02:38,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205685914] [2021-11-21 00:02:38,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:02:38,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:02:38,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:02:38,536 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:02:38,536 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:02:38,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205685914] [2021-11-21 00:02:38,537 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205685914] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:02:38,537 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:02:38,537 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 00:02:38,537 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124519594] [2021-11-21 00:02:38,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:02:38,539 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 00:02:38,539 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:02:38,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 00:02:38,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:02:38,541 INFO L87 Difference]: Start difference. First operand 2172 states and 3049 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-21 00:02:42,038 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:02:43,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:02:43,401 INFO L93 Difference]: Finished difference Result 3985 states and 5651 transitions. [2021-11-21 00:02:43,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-21 00:02:43,403 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 78 [2021-11-21 00:02:43,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:02:43,447 INFO L225 Difference]: With dead ends: 3985 [2021-11-21 00:02:43,448 INFO L226 Difference]: Without dead ends: 3983 [2021-11-21 00:02:43,452 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-21 00:02:43,455 INFO L933 BasicCegarLoop]: 2962 mSDtfsCounter, 2441 mSDsluCounter, 8844 mSDsCounter, 0 mSdLazyCounter, 935 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2446 SdHoareTripleChecker+Valid, 11120 SdHoareTripleChecker+Invalid, 939 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 935 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2021-11-21 00:02:43,456 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2446 Valid, 11120 Invalid, 939 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 935 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2021-11-21 00:02:43,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3983 states. [2021-11-21 00:02:43,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3983 to 3829. [2021-11-21 00:02:43,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3829 states, 2157 states have (on average 1.2837273991655076) internal successors, (2769), 2378 states have internal predecessors, (2769), 1319 states have call successors, (1319), 329 states have call predecessors, (1319), 328 states have return successors, (1419), 1252 states have call predecessors, (1419), 1317 states have call successors, (1419) [2021-11-21 00:02:43,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3829 states to 3829 states and 5507 transitions. [2021-11-21 00:02:43,855 INFO L78 Accepts]: Start accepts. Automaton has 3829 states and 5507 transitions. Word has length 78 [2021-11-21 00:02:43,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:02:43,857 INFO L470 AbstractCegarLoop]: Abstraction has 3829 states and 5507 transitions. [2021-11-21 00:02:43,858 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-21 00:02:43,858 INFO L276 IsEmpty]: Start isEmpty. Operand 3829 states and 5507 transitions. [2021-11-21 00:02:43,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-21 00:02:43,867 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:02:43,867 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:02:43,867 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-21 00:02:43,868 INFO L402 AbstractCegarLoop]: === Iteration 10 === 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 30 more)] === [2021-11-21 00:02:43,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:02:43,868 INFO L85 PathProgramCache]: Analyzing trace with hash 1903365595, now seen corresponding path program 1 times [2021-11-21 00:02:43,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:02:43,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222131179] [2021-11-21 00:02:43,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:02:43,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:02:44,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:02:44,190 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-21 00:02:44,191 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:02:44,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222131179] [2021-11-21 00:02:44,191 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222131179] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:02:44,192 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:02:44,192 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:02:44,192 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486887399] [2021-11-21 00:02:44,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:02:44,193 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:02:44,193 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:02:44,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:02:44,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:02:44,194 INFO L87 Difference]: Start difference. First operand 3829 states and 5507 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (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) [2021-11-21 00:02:46,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:02:46,408 INFO L93 Difference]: Finished difference Result 3829 states and 5507 transitions. [2021-11-21 00:02:46,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:02:46,410 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (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 78 [2021-11-21 00:02:46,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:02:46,474 INFO L225 Difference]: With dead ends: 3829 [2021-11-21 00:02:46,474 INFO L226 Difference]: Without dead ends: 3827 [2021-11-21 00:02:46,477 INFO L932 BasicCegarLoop]: 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 [2021-11-21 00:02:46,478 INFO L933 BasicCegarLoop]: 2211 mSDtfsCounter, 2417 mSDsluCounter, 2429 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2419 SdHoareTripleChecker+Valid, 4418 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-21 00:02:46,478 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2419 Valid, 4418 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-21 00:02:46,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3827 states. [2021-11-21 00:02:46,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3827 to 3827. [2021-11-21 00:02:46,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3827 states, 2156 states have (on average 1.2824675324675325) internal successors, (2765), 2376 states have internal predecessors, (2765), 1319 states have call successors, (1319), 329 states have call predecessors, (1319), 328 states have return successors, (1419), 1252 states have call predecessors, (1419), 1317 states have call successors, (1419) [2021-11-21 00:02:46,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3827 states to 3827 states and 5503 transitions. [2021-11-21 00:02:46,846 INFO L78 Accepts]: Start accepts. Automaton has 3827 states and 5503 transitions. Word has length 78 [2021-11-21 00:02:46,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:02:46,846 INFO L470 AbstractCegarLoop]: Abstraction has 3827 states and 5503 transitions. [2021-11-21 00:02:46,847 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (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) [2021-11-21 00:02:46,847 INFO L276 IsEmpty]: Start isEmpty. Operand 3827 states and 5503 transitions. [2021-11-21 00:02:46,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-21 00:02:46,850 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:02:46,851 INFO L514 BasicCegarLoop]: 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] [2021-11-21 00:02:46,851 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-21 00:02:46,852 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-21 00:02:46,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:02:46,852 INFO L85 PathProgramCache]: Analyzing trace with hash -441754179, now seen corresponding path program 1 times [2021-11-21 00:02:46,853 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:02:46,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472438567] [2021-11-21 00:02:46,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:02:46,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:02:47,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:02:47,204 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:02:47,205 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:02:47,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472438567] [2021-11-21 00:02:47,205 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472438567] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:02:47,206 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:02:47,206 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:02:47,206 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664242908] [2021-11-21 00:02:47,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:02:47,207 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:02:47,207 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:02:47,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:02:47,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:02:47,208 INFO L87 Difference]: Start difference. First operand 3827 states and 5503 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2021-11-21 00:02:49,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:02:49,301 INFO L93 Difference]: Finished difference Result 7320 states and 10700 transitions. [2021-11-21 00:02:49,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:02:49,302 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 82 [2021-11-21 00:02:49,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:02:49,327 INFO L225 Difference]: With dead ends: 7320 [2021-11-21 00:02:49,327 INFO L226 Difference]: Without dead ends: 3845 [2021-11-21 00:02:49,348 INFO L932 BasicCegarLoop]: 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 [2021-11-21 00:02:49,349 INFO L933 BasicCegarLoop]: 2217 mSDtfsCounter, 13 mSDsluCounter, 2431 mSDsCounter, 0 mSdLazyCounter, 450 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 4425 SdHoareTripleChecker+Invalid, 451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-21 00:02:49,350 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 4425 Invalid, 451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 450 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-21 00:02:49,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3845 states. [2021-11-21 00:02:49,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3845 to 3837. [2021-11-21 00:02:49,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3837 states, 2164 states have (on average 1.2823475046210722) internal successors, (2775), 2383 states have internal predecessors, (2775), 1321 states have call successors, (1321), 329 states have call predecessors, (1321), 328 states have return successors, (1421), 1255 states have call predecessors, (1421), 1319 states have call successors, (1421) [2021-11-21 00:02:49,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3837 states to 3837 states and 5517 transitions. [2021-11-21 00:02:49,730 INFO L78 Accepts]: Start accepts. Automaton has 3837 states and 5517 transitions. Word has length 82 [2021-11-21 00:02:49,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:02:49,731 INFO L470 AbstractCegarLoop]: Abstraction has 3837 states and 5517 transitions. [2021-11-21 00:02:49,731 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2021-11-21 00:02:49,731 INFO L276 IsEmpty]: Start isEmpty. Operand 3837 states and 5517 transitions. [2021-11-21 00:02:49,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-21 00:02:49,733 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:02:49,734 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:02:49,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-21 00:02:49,734 INFO L402 AbstractCegarLoop]: === Iteration 12 === 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 30 more)] === [2021-11-21 00:02:49,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:02:49,735 INFO L85 PathProgramCache]: Analyzing trace with hash -521577282, now seen corresponding path program 1 times [2021-11-21 00:02:49,735 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:02:49,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321555330] [2021-11-21 00:02:49,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:02:49,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:02:49,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:02:50,036 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-21 00:02:50,036 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:02:50,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321555330] [2021-11-21 00:02:50,037 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321555330] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:02:50,037 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:02:50,037 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:02:50,037 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145547516] [2021-11-21 00:02:50,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:02:50,038 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:02:50,038 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:02:50,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:02:50,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:02:50,039 INFO L87 Difference]: Start difference. First operand 3837 states and 5517 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-21 00:02:51,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:02:51,865 INFO L93 Difference]: Finished difference Result 3837 states and 5517 transitions. [2021-11-21 00:02:51,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:02:51,866 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 80 [2021-11-21 00:02:51,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:02:51,890 INFO L225 Difference]: With dead ends: 3837 [2021-11-21 00:02:51,890 INFO L226 Difference]: Without dead ends: 3835 [2021-11-21 00:02:51,894 INFO L932 BasicCegarLoop]: 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 [2021-11-21 00:02:51,895 INFO L933 BasicCegarLoop]: 2209 mSDtfsCounter, 2409 mSDsluCounter, 2431 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2411 SdHoareTripleChecker+Valid, 4418 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-21 00:02:51,895 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2411 Valid, 4418 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-21 00:02:51,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3835 states. [2021-11-21 00:02:52,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3835 to 3835. [2021-11-21 00:02:52,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3835 states, 2163 states have (on average 1.281091077207582) internal successors, (2771), 2381 states have internal predecessors, (2771), 1321 states have call successors, (1321), 329 states have call predecessors, (1321), 328 states have return successors, (1421), 1255 states have call predecessors, (1421), 1319 states have call successors, (1421) [2021-11-21 00:02:52,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3835 states to 3835 states and 5513 transitions. [2021-11-21 00:02:52,318 INFO L78 Accepts]: Start accepts. Automaton has 3835 states and 5513 transitions. Word has length 80 [2021-11-21 00:02:52,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:02:52,321 INFO L470 AbstractCegarLoop]: Abstraction has 3835 states and 5513 transitions. [2021-11-21 00:02:52,321 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-21 00:02:52,322 INFO L276 IsEmpty]: Start isEmpty. Operand 3835 states and 5513 transitions. [2021-11-21 00:02:52,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-21 00:02:52,324 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:02:52,324 INFO L514 BasicCegarLoop]: 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] [2021-11-21 00:02:52,325 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-21 00:02:52,325 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-21 00:02:52,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:02:52,326 INFO L85 PathProgramCache]: Analyzing trace with hash -1672538882, now seen corresponding path program 1 times [2021-11-21 00:02:52,326 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:02:52,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633147136] [2021-11-21 00:02:52,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:02:52,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:02:52,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:02:52,702 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:02:52,702 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:02:52,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633147136] [2021-11-21 00:02:52,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633147136] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:02:52,703 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:02:52,703 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 00:02:52,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800290012] [2021-11-21 00:02:52,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:02:52,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 00:02:52,705 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:02:52,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 00:02:52,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:02:52,705 INFO L87 Difference]: Start difference. First operand 3835 states and 5513 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-21 00:02:56,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:02:56,811 INFO L93 Difference]: Finished difference Result 7308 states and 10861 transitions. [2021-11-21 00:02:56,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-21 00:02:56,812 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 85 [2021-11-21 00:02:56,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:02:56,863 INFO L225 Difference]: With dead ends: 7308 [2021-11-21 00:02:56,864 INFO L226 Difference]: Without dead ends: 7306 [2021-11-21 00:02:56,870 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-21 00:02:56,871 INFO L933 BasicCegarLoop]: 3022 mSDtfsCounter, 2427 mSDsluCounter, 8980 mSDsCounter, 0 mSdLazyCounter, 974 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2432 SdHoareTripleChecker+Valid, 11290 SdHoareTripleChecker+Invalid, 977 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 974 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-11-21 00:02:56,871 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2432 Valid, 11290 Invalid, 977 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 974 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2021-11-21 00:02:56,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7306 states. [2021-11-21 00:02:57,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7306 to 6956. [2021-11-21 00:02:57,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6956 states, 3943 states have (on average 1.291656099416688) internal successors, (5093), 4340 states have internal predecessors, (5093), 2409 states have call successors, (2409), 586 states have call predecessors, (2409), 581 states have return successors, (2996), 2271 states have call predecessors, (2996), 2407 states have call successors, (2996) [2021-11-21 00:02:57,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6956 states to 6956 states and 10498 transitions. [2021-11-21 00:02:57,659 INFO L78 Accepts]: Start accepts. Automaton has 6956 states and 10498 transitions. Word has length 85 [2021-11-21 00:02:57,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:02:57,660 INFO L470 AbstractCegarLoop]: Abstraction has 6956 states and 10498 transitions. [2021-11-21 00:02:57,660 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-21 00:02:57,660 INFO L276 IsEmpty]: Start isEmpty. Operand 6956 states and 10498 transitions. [2021-11-21 00:02:57,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-21 00:02:57,663 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:02:57,663 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:02:57,664 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-21 00:02:57,664 INFO L402 AbstractCegarLoop]: === Iteration 14 === 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 30 more)] === [2021-11-21 00:02:57,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:02:57,665 INFO L85 PathProgramCache]: Analyzing trace with hash -1768406898, now seen corresponding path program 1 times [2021-11-21 00:02:57,665 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:02:57,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745518167] [2021-11-21 00:02:57,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:02:57,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:02:57,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:02:57,954 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-21 00:02:57,955 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:02:57,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745518167] [2021-11-21 00:02:57,955 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745518167] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:02:57,955 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:02:57,956 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:02:57,956 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918439562] [2021-11-21 00:02:57,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:02:57,957 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:02:57,957 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:02:57,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:02:57,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:02:57,958 INFO L87 Difference]: Start difference. First operand 6956 states and 10498 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-21 00:03:00,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:03:00,224 INFO L93 Difference]: Finished difference Result 6956 states and 10498 transitions. [2021-11-21 00:03:00,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:03:00,225 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 85 [2021-11-21 00:03:00,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:03:00,278 INFO L225 Difference]: With dead ends: 6956 [2021-11-21 00:03:00,278 INFO L226 Difference]: Without dead ends: 6954 [2021-11-21 00:03:00,286 INFO L932 BasicCegarLoop]: 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 [2021-11-21 00:03:00,286 INFO L933 BasicCegarLoop]: 2207 mSDtfsCounter, 2408 mSDsluCounter, 2429 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2410 SdHoareTripleChecker+Valid, 4414 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-21 00:03:00,287 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2410 Valid, 4414 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-21 00:03:00,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6954 states. [2021-11-21 00:03:00,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6954 to 6954. [2021-11-21 00:03:01,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6954 states, 3942 states have (on average 1.2909690512430239) internal successors, (5089), 4338 states have internal predecessors, (5089), 2409 states have call successors, (2409), 586 states have call predecessors, (2409), 581 states have return successors, (2996), 2271 states have call predecessors, (2996), 2407 states have call successors, (2996) [2021-11-21 00:03:01,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6954 states to 6954 states and 10494 transitions. [2021-11-21 00:03:01,148 INFO L78 Accepts]: Start accepts. Automaton has 6954 states and 10494 transitions. Word has length 85 [2021-11-21 00:03:01,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:03:01,151 INFO L470 AbstractCegarLoop]: Abstraction has 6954 states and 10494 transitions. [2021-11-21 00:03:01,151 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-21 00:03:01,152 INFO L276 IsEmpty]: Start isEmpty. Operand 6954 states and 10494 transitions. [2021-11-21 00:03:01,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-21 00:03:01,154 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:03:01,155 INFO L514 BasicCegarLoop]: 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] [2021-11-21 00:03:01,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-21 00:03:01,155 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting rcu_read_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-21 00:03:01,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:03:01,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1417240319, now seen corresponding path program 1 times [2021-11-21 00:03:01,156 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:03:01,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048236863] [2021-11-21 00:03:01,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:03:01,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:03:01,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:03:01,605 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:03:01,605 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:03:01,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048236863] [2021-11-21 00:03:01,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048236863] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:03:01,606 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:03:01,606 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-21 00:03:01,606 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060493598] [2021-11-21 00:03:01,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:03:01,607 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-21 00:03:01,607 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:03:01,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-21 00:03:01,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-21 00:03:01,608 INFO L87 Difference]: Start difference. First operand 6954 states and 10494 transitions. Second operand has 7 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (22), 4 states have call predecessors, (22), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2021-11-21 00:03:14,980 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:03:18,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:03:18,988 INFO L93 Difference]: Finished difference Result 16818 states and 26567 transitions. [2021-11-21 00:03:18,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-21 00:03:18,989 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (22), 4 states have call predecessors, (22), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 92 [2021-11-21 00:03:18,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:03:19,105 INFO L225 Difference]: With dead ends: 16818 [2021-11-21 00:03:19,105 INFO L226 Difference]: Without dead ends: 16816 [2021-11-21 00:03:19,119 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-11-21 00:03:19,120 INFO L933 BasicCegarLoop]: 2960 mSDtfsCounter, 4823 mSDsluCounter, 6616 mSDsCounter, 0 mSdLazyCounter, 8352 mSolverCounterSat, 2444 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5196 SdHoareTripleChecker+Valid, 8874 SdHoareTripleChecker+Invalid, 10796 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2444 IncrementalHoareTripleChecker+Valid, 8352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.7s IncrementalHoareTripleChecker+Time [2021-11-21 00:03:19,120 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5196 Valid, 8874 Invalid, 10796 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2444 Valid, 8352 Invalid, 0 Unknown, 0 Unchecked, 15.7s Time] [2021-11-21 00:03:19,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16816 states. [2021-11-21 00:03:21,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16816 to 16213. [2021-11-21 00:03:21,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16213 states, 9297 states have (on average 1.2994514359470797) internal successors, (12081), 10223 states have internal predecessors, (12081), 5291 states have call successors, (5291), 1409 states have call predecessors, (5291), 1603 states have return successors, (8269), 5143 states have call predecessors, (8269), 5289 states have call successors, (8269) [2021-11-21 00:03:21,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16213 states to 16213 states and 25641 transitions. [2021-11-21 00:03:21,323 INFO L78 Accepts]: Start accepts. Automaton has 16213 states and 25641 transitions. Word has length 92 [2021-11-21 00:03:21,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:03:21,324 INFO L470 AbstractCegarLoop]: Abstraction has 16213 states and 25641 transitions. [2021-11-21 00:03:21,325 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (22), 4 states have call predecessors, (22), 2 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2021-11-21 00:03:21,325 INFO L276 IsEmpty]: Start isEmpty. Operand 16213 states and 25641 transitions. [2021-11-21 00:03:21,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-21 00:03:21,328 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:03:21,329 INFO L514 BasicCegarLoop]: 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] [2021-11-21 00:03:21,329 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-21 00:03:21,329 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-21 00:03:21,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:03:21,330 INFO L85 PathProgramCache]: Analyzing trace with hash 633579087, now seen corresponding path program 1 times [2021-11-21 00:03:21,330 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:03:21,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429066363] [2021-11-21 00:03:21,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:03:21,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:03:21,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:03:21,614 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:03:21,614 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:03:21,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429066363] [2021-11-21 00:03:21,617 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429066363] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:03:21,617 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:03:21,618 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:03:21,618 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932195423] [2021-11-21 00:03:21,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:03:21,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:03:21,619 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:03:21,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:03:21,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:03:21,620 INFO L87 Difference]: Start difference. First operand 16213 states and 25641 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-21 00:03:26,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:03:26,099 INFO L93 Difference]: Finished difference Result 32369 states and 54703 transitions. [2021-11-21 00:03:26,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:03:26,100 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 92 [2021-11-21 00:03:26,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:03:26,224 INFO L225 Difference]: With dead ends: 32369 [2021-11-21 00:03:26,225 INFO L226 Difference]: Without dead ends: 16541 [2021-11-21 00:03:26,385 INFO L932 BasicCegarLoop]: 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 [2021-11-21 00:03:26,386 INFO L933 BasicCegarLoop]: 2220 mSDtfsCounter, 38 mSDsluCounter, 2423 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 4420 SdHoareTripleChecker+Invalid, 459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-21 00:03:26,386 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [51 Valid, 4420 Invalid, 459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 454 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-21 00:03:26,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16541 states. [2021-11-21 00:03:28,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16541 to 16331. [2021-11-21 00:03:28,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16331 states, 9395 states have (on average 1.2976051091005854) internal successors, (12191), 10293 states have internal predecessors, (12191), 5311 states have call successors, (5311), 1409 states have call predecessors, (5311), 1603 states have return successors, (8345), 5193 states have call predecessors, (8345), 5309 states have call successors, (8345) [2021-11-21 00:03:28,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16331 states to 16331 states and 25847 transitions. [2021-11-21 00:03:28,717 INFO L78 Accepts]: Start accepts. Automaton has 16331 states and 25847 transitions. Word has length 92 [2021-11-21 00:03:28,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:03:28,718 INFO L470 AbstractCegarLoop]: Abstraction has 16331 states and 25847 transitions. [2021-11-21 00:03:28,719 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-21 00:03:28,719 INFO L276 IsEmpty]: Start isEmpty. Operand 16331 states and 25847 transitions. [2021-11-21 00:03:28,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-21 00:03:28,723 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:03:28,723 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:03:28,723 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-21 00:03:28,724 INFO L402 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 30 more)] === [2021-11-21 00:03:28,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:03:28,725 INFO L85 PathProgramCache]: Analyzing trace with hash 233019667, now seen corresponding path program 1 times [2021-11-21 00:03:28,725 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:03:28,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872024736] [2021-11-21 00:03:28,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:03:28,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:03:28,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:03:29,038 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-21 00:03:29,038 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:03:29,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872024736] [2021-11-21 00:03:29,039 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872024736] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:03:29,039 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:03:29,039 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:03:29,039 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190711051] [2021-11-21 00:03:29,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:03:29,040 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:03:29,041 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:03:29,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:03:29,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:03:29,042 INFO L87 Difference]: Start difference. First operand 16331 states and 25847 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-21 00:03:32,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:03:32,680 INFO L93 Difference]: Finished difference Result 16331 states and 25847 transitions. [2021-11-21 00:03:32,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:03:32,682 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 90 [2021-11-21 00:03:32,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:03:32,797 INFO L225 Difference]: With dead ends: 16331 [2021-11-21 00:03:32,798 INFO L226 Difference]: Without dead ends: 16329 [2021-11-21 00:03:32,810 INFO L932 BasicCegarLoop]: 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 [2021-11-21 00:03:32,811 INFO L933 BasicCegarLoop]: 2204 mSDtfsCounter, 2405 mSDsluCounter, 2426 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2407 SdHoareTripleChecker+Valid, 4408 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-21 00:03:32,811 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2407 Valid, 4408 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 449 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-21 00:03:32,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16329 states. [2021-11-21 00:03:34,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16329 to 16329. [2021-11-21 00:03:34,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16329 states, 9394 states have (on average 1.2973174366616989) internal successors, (12187), 10291 states have internal predecessors, (12187), 5311 states have call successors, (5311), 1409 states have call predecessors, (5311), 1603 states have return successors, (8345), 5193 states have call predecessors, (8345), 5309 states have call successors, (8345) [2021-11-21 00:03:35,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16329 states to 16329 states and 25843 transitions. [2021-11-21 00:03:35,172 INFO L78 Accepts]: Start accepts. Automaton has 16329 states and 25843 transitions. Word has length 90 [2021-11-21 00:03:35,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:03:35,173 INFO L470 AbstractCegarLoop]: Abstraction has 16329 states and 25843 transitions. [2021-11-21 00:03:35,173 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-21 00:03:35,173 INFO L276 IsEmpty]: Start isEmpty. Operand 16329 states and 25843 transitions. [2021-11-21 00:03:35,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-21 00:03:35,178 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:03:35,179 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:03:35,179 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-21 00:03:35,180 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-21 00:03:35,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:03:35,181 INFO L85 PathProgramCache]: Analyzing trace with hash -1078038478, now seen corresponding path program 1 times [2021-11-21 00:03:35,181 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:03:35,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315988170] [2021-11-21 00:03:35,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:03:35,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:03:35,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:03:35,495 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-21 00:03:35,496 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:03:35,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315988170] [2021-11-21 00:03:35,496 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315988170] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:03:35,496 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:03:35,497 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 00:03:35,497 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080790663] [2021-11-21 00:03:35,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:03:35,498 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 00:03:35,500 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:03:35,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 00:03:35,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:03:35,501 INFO L87 Difference]: Start difference. First operand 16329 states and 25843 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-21 00:03:40,173 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:03:43,114 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:03:44,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:03:44,157 INFO L93 Difference]: Finished difference Result 16610 states and 26120 transitions. [2021-11-21 00:03:44,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-21 00:03:44,158 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 98 [2021-11-21 00:03:44,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:03:44,271 INFO L225 Difference]: With dead ends: 16610 [2021-11-21 00:03:44,272 INFO L226 Difference]: Without dead ends: 16608 [2021-11-21 00:03:44,282 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-21 00:03:44,283 INFO L933 BasicCegarLoop]: 4360 mSDtfsCounter, 2441 mSDsluCounter, 12027 mSDsCounter, 0 mSdLazyCounter, 1535 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2446 SdHoareTripleChecker+Valid, 15305 SdHoareTripleChecker+Invalid, 1536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2021-11-21 00:03:44,284 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2446 Valid, 15305 Invalid, 1536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1535 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2021-11-21 00:03:44,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16608 states. [2021-11-21 00:03:46,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16608 to 16353. [2021-11-21 00:03:46,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16353 states, 9412 states have (on average 1.296748831279218) internal successors, (12205), 10309 states have internal predecessors, (12205), 5311 states have call successors, (5311), 1415 states have call predecessors, (5311), 1609 states have return successors, (8345), 5193 states have call predecessors, (8345), 5309 states have call successors, (8345) [2021-11-21 00:03:46,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16353 states to 16353 states and 25861 transitions. [2021-11-21 00:03:46,278 INFO L78 Accepts]: Start accepts. Automaton has 16353 states and 25861 transitions. Word has length 98 [2021-11-21 00:03:46,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:03:46,279 INFO L470 AbstractCegarLoop]: Abstraction has 16353 states and 25861 transitions. [2021-11-21 00:03:46,279 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-21 00:03:46,280 INFO L276 IsEmpty]: Start isEmpty. Operand 16353 states and 25861 transitions. [2021-11-21 00:03:46,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-21 00:03:46,284 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:03:46,284 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:03:46,285 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-21 00:03:46,285 INFO L402 AbstractCegarLoop]: === Iteration 19 === 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 30 more)] === [2021-11-21 00:03:46,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:03:46,286 INFO L85 PathProgramCache]: Analyzing trace with hash -887613241, now seen corresponding path program 1 times [2021-11-21 00:03:46,286 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:03:46,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001279703] [2021-11-21 00:03:46,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:03:46,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:03:46,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:03:46,547 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-21 00:03:46,548 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:03:46,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001279703] [2021-11-21 00:03:46,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001279703] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:03:46,548 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:03:46,548 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:03:46,549 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507412415] [2021-11-21 00:03:46,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:03:46,551 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:03:46,551 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:03:46,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:03:46,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:03:46,552 INFO L87 Difference]: Start difference. First operand 16353 states and 25861 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-21 00:03:49,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:03:49,206 INFO L93 Difference]: Finished difference Result 16353 states and 25861 transitions. [2021-11-21 00:03:49,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:03:49,207 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 95 [2021-11-21 00:03:49,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:03:49,294 INFO L225 Difference]: With dead ends: 16353 [2021-11-21 00:03:49,295 INFO L226 Difference]: Without dead ends: 16351 [2021-11-21 00:03:49,304 INFO L932 BasicCegarLoop]: 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 [2021-11-21 00:03:49,304 INFO L933 BasicCegarLoop]: 2203 mSDtfsCounter, 2402 mSDsluCounter, 2424 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2404 SdHoareTripleChecker+Valid, 4406 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-21 00:03:49,305 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2404 Valid, 4406 Invalid, 447 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [0 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-21 00:03:49,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16351 states. [2021-11-21 00:03:50,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16351 to 16351. [2021-11-21 00:03:51,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16351 states, 9411 states have (on average 1.2964615875039847) internal successors, (12201), 10307 states have internal predecessors, (12201), 5311 states have call successors, (5311), 1415 states have call predecessors, (5311), 1609 states have return successors, (8345), 5193 states have call predecessors, (8345), 5309 states have call successors, (8345) [2021-11-21 00:03:51,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16351 states to 16351 states and 25857 transitions. [2021-11-21 00:03:51,099 INFO L78 Accepts]: Start accepts. Automaton has 16351 states and 25857 transitions. Word has length 95 [2021-11-21 00:03:51,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:03:51,100 INFO L470 AbstractCegarLoop]: Abstraction has 16351 states and 25857 transitions. [2021-11-21 00:03:51,100 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-21 00:03:51,100 INFO L276 IsEmpty]: Start isEmpty. Operand 16351 states and 25857 transitions. [2021-11-21 00:03:51,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-21 00:03:51,104 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:03:51,105 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:03:51,105 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-21 00:03:51,105 INFO L402 AbstractCegarLoop]: === Iteration 20 === 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 30 more)] === [2021-11-21 00:03:51,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:03:51,106 INFO L85 PathProgramCache]: Analyzing trace with hash -446618951, now seen corresponding path program 1 times [2021-11-21 00:03:51,106 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:03:51,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916744809] [2021-11-21 00:03:51,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:03:51,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:03:51,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:03:51,457 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-21 00:03:51,457 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:03:51,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916744809] [2021-11-21 00:03:51,458 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916744809] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:03:51,458 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:03:51,458 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 00:03:51,459 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221157289] [2021-11-21 00:03:51,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:03:51,461 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 00:03:51,461 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:03:51,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 00:03:51,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:03:51,462 INFO L87 Difference]: Start difference. First operand 16351 states and 25857 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-21 00:03:55,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:03:55,868 INFO L93 Difference]: Finished difference Result 24577 states and 40301 transitions. [2021-11-21 00:03:55,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-21 00:03:55,869 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 104 [2021-11-21 00:03:55,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:03:56,008 INFO L225 Difference]: With dead ends: 24577 [2021-11-21 00:03:56,008 INFO L226 Difference]: Without dead ends: 24575 [2021-11-21 00:03:56,020 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-21 00:03:56,021 INFO L933 BasicCegarLoop]: 2618 mSDtfsCounter, 2287 mSDsluCounter, 7226 mSDsCounter, 0 mSdLazyCounter, 845 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2292 SdHoareTripleChecker+Valid, 9251 SdHoareTripleChecker+Invalid, 848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 845 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-11-21 00:03:56,021 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2292 Valid, 9251 Invalid, 848 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 845 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-11-21 00:03:56,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24575 states. [2021-11-21 00:03:58,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24575 to 24489. [2021-11-21 00:03:58,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24489 states, 14206 states have (on average 1.30135154160214) internal successors, (18487), 15524 states have internal predecessors, (18487), 7722 states have call successors, (7722), 2207 states have call predecessors, (7722), 2541 states have return successors, (13928), 7570 states have call predecessors, (13928), 7720 states have call successors, (13928) [2021-11-21 00:03:58,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24489 states to 24489 states and 40137 transitions. [2021-11-21 00:03:58,451 INFO L78 Accepts]: Start accepts. Automaton has 24489 states and 40137 transitions. Word has length 104 [2021-11-21 00:03:58,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:03:58,452 INFO L470 AbstractCegarLoop]: Abstraction has 24489 states and 40137 transitions. [2021-11-21 00:03:58,453 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-21 00:03:58,453 INFO L276 IsEmpty]: Start isEmpty. Operand 24489 states and 40137 transitions. [2021-11-21 00:03:58,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-21 00:03:58,457 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:03:58,457 INFO L514 BasicCegarLoop]: 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] [2021-11-21 00:03:58,457 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-21 00:03:58,458 INFO L402 AbstractCegarLoop]: === Iteration 21 === 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 30 more)] === [2021-11-21 00:03:58,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:03:58,458 INFO L85 PathProgramCache]: Analyzing trace with hash 1918952971, now seen corresponding path program 1 times [2021-11-21 00:03:58,459 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:03:58,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118081386] [2021-11-21 00:03:58,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:03:58,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:03:58,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:03:59,065 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:03:59,065 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:03:59,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118081386] [2021-11-21 00:03:59,066 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118081386] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:03:59,066 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:03:59,066 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 00:03:59,066 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483816970] [2021-11-21 00:03:59,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:03:59,067 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 00:03:59,068 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:03:59,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 00:03:59,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:03:59,069 INFO L87 Difference]: Start difference. First operand 24489 states and 40137 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-21 00:04:04,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:04:04,044 INFO L93 Difference]: Finished difference Result 34211 states and 57938 transitions. [2021-11-21 00:04:04,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-21 00:04:04,045 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 104 [2021-11-21 00:04:04,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:04:04,197 INFO L225 Difference]: With dead ends: 34211 [2021-11-21 00:04:04,197 INFO L226 Difference]: Without dead ends: 34209 [2021-11-21 00:04:04,209 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-21 00:04:04,210 INFO L933 BasicCegarLoop]: 2605 mSDtfsCounter, 2335 mSDsluCounter, 7250 mSDsCounter, 0 mSdLazyCounter, 808 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2340 SdHoareTripleChecker+Valid, 9285 SdHoareTripleChecker+Invalid, 811 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 808 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-21 00:04:04,211 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2340 Valid, 9285 Invalid, 811 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 808 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-21 00:04:04,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34209 states. [2021-11-21 00:04:07,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34209 to 33477. [2021-11-21 00:04:07,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33477 states, 19448 states have (on average 1.3028589058000823) internal successors, (25338), 21270 states have internal predecessors, (25338), 10428 states have call successors, (10428), 3233 states have call predecessors, (10428), 3581 states have return successors, (19852), 10060 states have call predecessors, (19852), 10426 states have call successors, (19852) [2021-11-21 00:04:07,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33477 states to 33477 states and 55618 transitions. [2021-11-21 00:04:07,431 INFO L78 Accepts]: Start accepts. Automaton has 33477 states and 55618 transitions. Word has length 104 [2021-11-21 00:04:07,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:04:07,431 INFO L470 AbstractCegarLoop]: Abstraction has 33477 states and 55618 transitions. [2021-11-21 00:04:07,432 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-21 00:04:07,432 INFO L276 IsEmpty]: Start isEmpty. Operand 33477 states and 55618 transitions. [2021-11-21 00:04:07,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-21 00:04:07,434 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:04:07,435 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:04:07,435 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-21 00:04:07,435 INFO L402 AbstractCegarLoop]: === Iteration 22 === 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 30 more)] === [2021-11-21 00:04:07,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:04:07,436 INFO L85 PathProgramCache]: Analyzing trace with hash -1463153248, now seen corresponding path program 1 times [2021-11-21 00:04:07,436 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:04:07,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296737834] [2021-11-21 00:04:07,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:04:07,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:04:07,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:04:07,697 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-21 00:04:07,697 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:04:07,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296737834] [2021-11-21 00:04:07,698 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296737834] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:04:07,698 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:04:07,698 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 00:04:07,699 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249279032] [2021-11-21 00:04:07,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:04:07,699 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 00:04:07,700 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:04:07,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 00:04:07,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:04:07,701 INFO L87 Difference]: Start difference. First operand 33477 states and 55618 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-21 00:04:13,583 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:04:16,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:04:16,801 INFO L93 Difference]: Finished difference Result 34698 states and 58894 transitions. [2021-11-21 00:04:16,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 00:04:16,805 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 100 [2021-11-21 00:04:16,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:04:17,069 INFO L225 Difference]: With dead ends: 34698 [2021-11-21 00:04:17,069 INFO L226 Difference]: Without dead ends: 34696 [2021-11-21 00:04:17,081 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-21 00:04:17,082 INFO L933 BasicCegarLoop]: 2669 mSDtfsCounter, 2420 mSDsluCounter, 4562 mSDsCounter, 0 mSdLazyCounter, 3085 mSolverCounterSat, 667 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2646 SdHoareTripleChecker+Valid, 6823 SdHoareTripleChecker+Invalid, 3752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 667 IncrementalHoareTripleChecker+Valid, 3085 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2021-11-21 00:04:17,082 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2646 Valid, 6823 Invalid, 3752 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [667 Valid, 3085 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2021-11-21 00:04:17,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34696 states. [2021-11-21 00:04:19,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34696 to 33724. [2021-11-21 00:04:19,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33724 states, 19595 states have (on average 1.3005358509823934) internal successors, (25484), 21417 states have internal predecessors, (25484), 10452 states have call successors, (10452), 3257 states have call predecessors, (10452), 3657 states have return successors, (20148), 10136 states have call predecessors, (20148), 10450 states have call successors, (20148) [2021-11-21 00:04:19,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33724 states to 33724 states and 56084 transitions. [2021-11-21 00:04:19,655 INFO L78 Accepts]: Start accepts. Automaton has 33724 states and 56084 transitions. Word has length 100 [2021-11-21 00:04:19,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:04:19,656 INFO L470 AbstractCegarLoop]: Abstraction has 33724 states and 56084 transitions. [2021-11-21 00:04:19,656 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-21 00:04:19,656 INFO L276 IsEmpty]: Start isEmpty. Operand 33724 states and 56084 transitions. [2021-11-21 00:04:19,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-21 00:04:19,659 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:04:19,660 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:04:19,660 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-21 00:04:19,660 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2021-11-21 00:04:19,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:04:19,661 INFO L85 PathProgramCache]: Analyzing trace with hash 528059597, now seen corresponding path program 1 times [2021-11-21 00:04:19,661 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:04:19,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952163799] [2021-11-21 00:04:19,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:04:19,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:04:19,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:04:20,098 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-21 00:04:20,098 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:04:20,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952163799] [2021-11-21 00:04:20,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952163799] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:04:20,099 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:04:20,099 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 00:04:20,101 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768616613] [2021-11-21 00:04:20,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:04:20,102 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 00:04:20,102 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:04:20,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 00:04:20,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:04:20,103 INFO L87 Difference]: Start difference. First operand 33724 states and 56084 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (26), 3 states have call predecessors, (26), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-21 00:04:26,240 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:04:28,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:04:28,213 INFO L93 Difference]: Finished difference Result 34174 states and 56529 transitions. [2021-11-21 00:04:28,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-21 00:04:28,214 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (26), 3 states have call predecessors, (26), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 108 [2021-11-21 00:04:28,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:04:28,340 INFO L225 Difference]: With dead ends: 34174 [2021-11-21 00:04:28,340 INFO L226 Difference]: Without dead ends: 34172 [2021-11-21 00:04:28,354 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-21 00:04:28,355 INFO L933 BasicCegarLoop]: 4289 mSDtfsCounter, 2438 mSDsluCounter, 11882 mSDsCounter, 0 mSdLazyCounter, 1535 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2443 SdHoareTripleChecker+Valid, 15089 SdHoareTripleChecker+Invalid, 1536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2021-11-21 00:04:28,355 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2443 Valid, 15089 Invalid, 1536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1535 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2021-11-21 00:04:28,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34172 states. [2021-11-21 00:04:30,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34172 to 33776. [2021-11-21 00:04:30,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33776 states, 19634 states have (on average 1.2998879494753999) internal successors, (25522), 21456 states have internal predecessors, (25522), 10452 states have call successors, (10452), 3270 states have call predecessors, (10452), 3670 states have return successors, (20148), 10136 states have call predecessors, (20148), 10450 states have call successors, (20148) [2021-11-21 00:04:31,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33776 states to 33776 states and 56122 transitions. [2021-11-21 00:04:31,042 INFO L78 Accepts]: Start accepts. Automaton has 33776 states and 56122 transitions. Word has length 108 [2021-11-21 00:04:31,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:04:31,042 INFO L470 AbstractCegarLoop]: Abstraction has 33776 states and 56122 transitions. [2021-11-21 00:04:31,042 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (26), 3 states have call predecessors, (26), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-21 00:04:31,042 INFO L276 IsEmpty]: Start isEmpty. Operand 33776 states and 56122 transitions. [2021-11-21 00:04:31,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-21 00:04:31,048 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:04:31,048 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:04:31,049 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-21 00:04:31,049 INFO L402 AbstractCegarLoop]: === Iteration 24 === 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 30 more)] === [2021-11-21 00:04:31,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:04:31,049 INFO L85 PathProgramCache]: Analyzing trace with hash 1469552532, now seen corresponding path program 1 times [2021-11-21 00:04:31,050 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:04:31,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147867243] [2021-11-21 00:04:31,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:04:31,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:04:31,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:04:31,246 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-21 00:04:31,246 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:04:31,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147867243] [2021-11-21 00:04:31,247 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147867243] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:04:31,247 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:04:31,247 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:04:31,247 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624019426] [2021-11-21 00:04:31,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:04:31,248 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:04:31,248 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:04:31,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:04:31,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:04:31,249 INFO L87 Difference]: Start difference. First operand 33776 states and 56122 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-21 00:04:34,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:04:34,654 INFO L93 Difference]: Finished difference Result 33776 states and 56122 transitions. [2021-11-21 00:04:34,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:04:34,655 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 105 [2021-11-21 00:04:34,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:04:34,849 INFO L225 Difference]: With dead ends: 33776 [2021-11-21 00:04:34,849 INFO L226 Difference]: Without dead ends: 33774 [2021-11-21 00:04:34,866 INFO L932 BasicCegarLoop]: 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 [2021-11-21 00:04:34,867 INFO L933 BasicCegarLoop]: 2201 mSDtfsCounter, 2398 mSDsluCounter, 2422 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2400 SdHoareTripleChecker+Valid, 4402 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-21 00:04:34,868 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2400 Valid, 4402 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-21 00:04:34,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33774 states. [2021-11-21 00:04:37,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33774 to 33774. [2021-11-21 00:04:37,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33774 states, 19633 states have (on average 1.2997504202108694) internal successors, (25518), 21454 states have internal predecessors, (25518), 10452 states have call successors, (10452), 3270 states have call predecessors, (10452), 3670 states have return successors, (20148), 10136 states have call predecessors, (20148), 10450 states have call successors, (20148) [2021-11-21 00:04:37,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33774 states to 33774 states and 56118 transitions. [2021-11-21 00:04:37,883 INFO L78 Accepts]: Start accepts. Automaton has 33774 states and 56118 transitions. Word has length 105 [2021-11-21 00:04:37,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:04:37,883 INFO L470 AbstractCegarLoop]: Abstraction has 33774 states and 56118 transitions. [2021-11-21 00:04:37,884 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-21 00:04:37,884 INFO L276 IsEmpty]: Start isEmpty. Operand 33774 states and 56118 transitions. [2021-11-21 00:04:37,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-21 00:04:37,891 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:04:37,891 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:04:37,891 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-21 00:04:37,891 INFO L402 AbstractCegarLoop]: === Iteration 25 === 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 30 more)] === [2021-11-21 00:04:37,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:04:37,892 INFO L85 PathProgramCache]: Analyzing trace with hash -1171760812, now seen corresponding path program 1 times [2021-11-21 00:04:37,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:04:37,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380914244] [2021-11-21 00:04:37,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:04:37,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:04:37,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:04:38,353 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-21 00:04:38,354 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:04:38,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380914244] [2021-11-21 00:04:38,354 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380914244] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:04:38,354 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:04:38,354 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:04:38,355 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792013418] [2021-11-21 00:04:38,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:04:38,355 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:04:38,355 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:04:38,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:04:38,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:04:38,356 INFO L87 Difference]: Start difference. First operand 33774 states and 56118 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21)