./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/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 c2e40c074e34eae853879e913dea35acffb5001042b37759d8583ab68da2fb52 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:57:10,945 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:57:10,947 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:57:10,980 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:57:10,980 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:57:10,982 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:57:10,983 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:57:10,986 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:57:10,988 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:57:10,989 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:57:10,990 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:57:10,991 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:57:10,992 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:57:10,993 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:57:10,995 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:57:10,996 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:57:10,997 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:57:10,998 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:57:11,001 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:57:11,003 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:57:11,005 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:57:11,007 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:57:11,008 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:57:11,009 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:57:11,013 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:57:11,013 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:57:11,014 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:57:11,015 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:57:11,015 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:57:11,016 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:57:11,017 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:57:11,018 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:57:11,019 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:57:11,020 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:57:11,021 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:57:11,021 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:57:11,022 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:57:11,023 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:57:11,023 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:57:11,024 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:57:11,025 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:57:11,026 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-20 23:57:11,054 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:57:11,054 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:57:11,055 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:57:11,055 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:57:11,056 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:57:11,056 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:57:11,057 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:57:11,057 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:57:11,057 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:57:11,058 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 23:57:11,058 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:57:11,058 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:57:11,059 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 23:57:11,059 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 23:57:11,059 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:57:11,060 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 23:57:11,060 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 23:57:11,060 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 23:57:11,061 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:57:11,061 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:57:11,062 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:57:11,062 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:57:11,062 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:57:11,062 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:57:11,063 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:57:11,063 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:57:11,063 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:57:11,063 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:57:11,063 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:57:11,068 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:57:11,068 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:57:11,068 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:57:11,068 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:57:11,069 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 23:57:11,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 23:57:11,069 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:57:11,069 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:57:11,069 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:57:11,070 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2e40c074e34eae853879e913dea35acffb5001042b37759d8583ab68da2fb52 [2021-11-20 23:57:11,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:57:11,345 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:57:11,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:57:11,349 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:57:11,350 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:57:11,351 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i [2021-11-20 23:57:11,442 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/bin/utaipan-TEXQjIfE4P/data/da596c3ed/e6b89e3d10274f108b61d7c5a7a58659/FLAGb0cbccbd5 [2021-11-20 23:57:12,463 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:57:12,465 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i [2021-11-20 23:57:12,539 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/bin/utaipan-TEXQjIfE4P/data/da596c3ed/e6b89e3d10274f108b61d7c5a7a58659/FLAGb0cbccbd5 [2021-11-20 23:57:12,780 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/bin/utaipan-TEXQjIfE4P/data/da596c3ed/e6b89e3d10274f108b61d7c5a7a58659 [2021-11-20 23:57:12,782 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:57:12,784 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:57:12,785 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:57:12,786 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:57:12,789 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:57:12,790 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:57:12" (1/1) ... [2021-11-20 23:57:12,791 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48e7eb59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:57:12, skipping insertion in model container [2021-11-20 23:57:12,792 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:57:12" (1/1) ... [2021-11-20 23:57:12,798 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:57:13,038 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:57:20,175 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[552584,552597] [2021-11-20 23:57:20,178 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[552729,552742] [2021-11-20 23:57:20,178 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[552875,552888] [2021-11-20 23:57:20,179 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553040,553053] [2021-11-20 23:57:20,180 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553198,553211] [2021-11-20 23:57:20,180 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553356,553369] [2021-11-20 23:57:20,181 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553514,553527] [2021-11-20 23:57:20,181 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553674,553687] [2021-11-20 23:57:20,182 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553833,553846] [2021-11-20 23:57:20,182 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553972,553985] [2021-11-20 23:57:20,183 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[554114,554127] [2021-11-20 23:57:20,184 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[554263,554276] [2021-11-20 23:57:20,184 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[554402,554415] [2021-11-20 23:57:20,185 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[554557,554570] [2021-11-20 23:57:20,185 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[554717,554730] [2021-11-20 23:57:20,186 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[554868,554881] [2021-11-20 23:57:20,187 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555019,555032] [2021-11-20 23:57:20,203 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555171,555184] [2021-11-20 23:57:20,204 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555320,555333] [2021-11-20 23:57:20,205 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555468,555481] [2021-11-20 23:57:20,205 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555625,555638] [2021-11-20 23:57:20,206 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555774,555787] [2021-11-20 23:57:20,206 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555930,555943] [2021-11-20 23:57:20,207 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556083,556096] [2021-11-20 23:57:20,207 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556229,556242] [2021-11-20 23:57:20,208 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556372,556385] [2021-11-20 23:57:20,208 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556524,556537] [2021-11-20 23:57:20,209 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556670,556683] [2021-11-20 23:57:20,210 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556815,556828] [2021-11-20 23:57:20,210 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556969,556982] [2021-11-20 23:57:20,211 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[557120,557133] [2021-11-20 23:57:20,212 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[557275,557288] [2021-11-20 23:57:20,212 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[557427,557440] [2021-11-20 23:57:20,213 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[557582,557595] [2021-11-20 23:57:20,213 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[557746,557759] [2021-11-20 23:57:20,214 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[557902,557915] [2021-11-20 23:57:20,214 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[558066,558079] [2021-11-20 23:57:20,215 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[558208,558221] [2021-11-20 23:57:20,215 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[558366,558379] [2021-11-20 23:57:20,216 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[558533,558546] [2021-11-20 23:57:20,216 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[558692,558705] [2021-11-20 23:57:20,217 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[558851,558864] [2021-11-20 23:57:20,218 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559000,559013] [2021-11-20 23:57:20,219 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559147,559160] [2021-11-20 23:57:20,219 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559286,559299] [2021-11-20 23:57:20,220 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559449,559462] [2021-11-20 23:57:20,220 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559615,559628] [2021-11-20 23:57:20,221 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559779,559792] [2021-11-20 23:57:20,221 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559944,559957] [2021-11-20 23:57:20,222 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[560109,560122] [2021-11-20 23:57:20,222 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[560275,560288] [2021-11-20 23:57:20,223 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[560440,560453] [2021-11-20 23:57:20,224 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[560607,560620] [2021-11-20 23:57:20,224 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[560767,560780] [2021-11-20 23:57:20,225 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[560929,560942] [2021-11-20 23:57:20,225 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561088,561101] [2021-11-20 23:57:20,226 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561234,561247] [2021-11-20 23:57:20,226 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561377,561390] [2021-11-20 23:57:20,227 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561521,561534] [2021-11-20 23:57:20,228 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561664,561677] [2021-11-20 23:57:20,228 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561808,561821] [2021-11-20 23:57:20,229 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561949,561962] [2021-11-20 23:57:20,229 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[562087,562100] [2021-11-20 23:57:20,230 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[562245,562258] [2021-11-20 23:57:20,230 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[562404,562417] [2021-11-20 23:57:20,231 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[562560,562573] [2021-11-20 23:57:20,231 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[562709,562722] [2021-11-20 23:57:20,232 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[562861,562874] [2021-11-20 23:57:20,232 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563012,563025] [2021-11-20 23:57:20,233 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563161,563174] [2021-11-20 23:57:20,234 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563313,563326] [2021-11-20 23:57:20,234 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563461,563474] [2021-11-20 23:57:20,235 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563614,563627] [2021-11-20 23:57:20,235 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563765,563778] [2021-11-20 23:57:20,236 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563915,563928] [2021-11-20 23:57:20,236 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[564062,564075] [2021-11-20 23:57:20,237 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[564213,564226] [2021-11-20 23:57:20,238 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[564364,564377] [2021-11-20 23:57:20,238 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[564512,564525] [2021-11-20 23:57:20,239 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[564678,564691] [2021-11-20 23:57:20,239 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[564847,564860] [2021-11-20 23:57:20,240 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565014,565027] [2021-11-20 23:57:20,240 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565182,565195] [2021-11-20 23:57:20,241 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565332,565345] [2021-11-20 23:57:20,241 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565479,565492] [2021-11-20 23:57:20,242 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565640,565653] [2021-11-20 23:57:20,242 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565810,565823] [2021-11-20 23:57:20,243 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565972,565985] [2021-11-20 23:57:20,261 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:57:20,416 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:57:21,130 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[552584,552597] [2021-11-20 23:57:21,131 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[552729,552742] [2021-11-20 23:57:21,132 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[552875,552888] [2021-11-20 23:57:21,132 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553040,553053] [2021-11-20 23:57:21,133 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553198,553211] [2021-11-20 23:57:21,133 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553356,553369] [2021-11-20 23:57:21,134 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553514,553527] [2021-11-20 23:57:21,134 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553674,553687] [2021-11-20 23:57:21,135 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553833,553846] [2021-11-20 23:57:21,135 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553972,553985] [2021-11-20 23:57:21,135 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[554114,554127] [2021-11-20 23:57:21,136 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[554263,554276] [2021-11-20 23:57:21,136 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[554402,554415] [2021-11-20 23:57:21,137 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[554557,554570] [2021-11-20 23:57:21,137 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[554717,554730] [2021-11-20 23:57:21,138 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[554868,554881] [2021-11-20 23:57:21,138 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555019,555032] [2021-11-20 23:57:21,139 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555171,555184] [2021-11-20 23:57:21,139 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555320,555333] [2021-11-20 23:57:21,140 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555468,555481] [2021-11-20 23:57:21,140 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555625,555638] [2021-11-20 23:57:21,141 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555774,555787] [2021-11-20 23:57:21,141 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555930,555943] [2021-11-20 23:57:21,142 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556083,556096] [2021-11-20 23:57:21,142 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556229,556242] [2021-11-20 23:57:21,143 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556372,556385] [2021-11-20 23:57:21,143 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556524,556537] [2021-11-20 23:57:21,144 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556670,556683] [2021-11-20 23:57:21,144 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556815,556828] [2021-11-20 23:57:21,145 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556969,556982] [2021-11-20 23:57:21,145 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[557120,557133] [2021-11-20 23:57:21,145 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[557275,557288] [2021-11-20 23:57:21,146 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[557427,557440] [2021-11-20 23:57:21,146 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[557582,557595] [2021-11-20 23:57:21,147 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[557746,557759] [2021-11-20 23:57:21,147 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[557902,557915] [2021-11-20 23:57:21,148 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[558066,558079] [2021-11-20 23:57:21,148 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[558208,558221] [2021-11-20 23:57:21,149 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[558366,558379] [2021-11-20 23:57:21,149 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[558533,558546] [2021-11-20 23:57:21,150 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[558692,558705] [2021-11-20 23:57:21,150 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[558851,558864] [2021-11-20 23:57:21,151 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559000,559013] [2021-11-20 23:57:21,151 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559147,559160] [2021-11-20 23:57:21,151 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559286,559299] [2021-11-20 23:57:21,152 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559449,559462] [2021-11-20 23:57:21,152 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559615,559628] [2021-11-20 23:57:21,153 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559779,559792] [2021-11-20 23:57:21,153 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559944,559957] [2021-11-20 23:57:21,154 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[560109,560122] [2021-11-20 23:57:21,154 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[560275,560288] [2021-11-20 23:57:21,155 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[560440,560453] [2021-11-20 23:57:21,155 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[560607,560620] [2021-11-20 23:57:21,156 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[560767,560780] [2021-11-20 23:57:21,156 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[560929,560942] [2021-11-20 23:57:21,159 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561088,561101] [2021-11-20 23:57:21,164 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561234,561247] [2021-11-20 23:57:21,165 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561377,561390] [2021-11-20 23:57:21,165 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561521,561534] [2021-11-20 23:57:21,166 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561664,561677] [2021-11-20 23:57:21,167 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561808,561821] [2021-11-20 23:57:21,169 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561949,561962] [2021-11-20 23:57:21,170 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[562087,562100] [2021-11-20 23:57:21,175 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[562245,562258] [2021-11-20 23:57:21,176 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[562404,562417] [2021-11-20 23:57:21,181 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[562560,562573] [2021-11-20 23:57:21,182 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[562709,562722] [2021-11-20 23:57:21,182 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[562861,562874] [2021-11-20 23:57:21,182 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563012,563025] [2021-11-20 23:57:21,183 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563161,563174] [2021-11-20 23:57:21,183 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563313,563326] [2021-11-20 23:57:21,184 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563461,563474] [2021-11-20 23:57:21,184 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563614,563627] [2021-11-20 23:57:21,185 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563765,563778] [2021-11-20 23:57:21,185 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563915,563928] [2021-11-20 23:57:21,186 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[564062,564075] [2021-11-20 23:57:21,186 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[564213,564226] [2021-11-20 23:57:21,187 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[564364,564377] [2021-11-20 23:57:21,189 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[564512,564525] [2021-11-20 23:57:21,189 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[564678,564691] [2021-11-20 23:57:21,190 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[564847,564860] [2021-11-20 23:57:21,191 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565014,565027] [2021-11-20 23:57:21,192 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565182,565195] [2021-11-20 23:57:21,192 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565332,565345] [2021-11-20 23:57:21,193 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565479,565492] [2021-11-20 23:57:21,193 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565640,565653] [2021-11-20 23:57:21,194 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565810,565823] [2021-11-20 23:57:21,194 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_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565972,565985] [2021-11-20 23:57:21,204 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:57:21,920 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:57:21,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:57:21 WrapperNode [2021-11-20 23:57:21,920 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:57:21,922 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:57:21,922 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:57:21,922 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:57:21,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:57:21" (1/1) ... [2021-11-20 23:57:22,138 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:57:21" (1/1) ... [2021-11-20 23:57:22,504 INFO L137 Inliner]: procedures = 918, calls = 3166, calls flagged for inlining = 418, calls inlined = 342, statements flattened = 7986 [2021-11-20 23:57:22,505 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:57:22,506 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:57:22,506 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:57:22,506 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:57:22,515 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:57:21" (1/1) ... [2021-11-20 23:57:22,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:57:21" (1/1) ... [2021-11-20 23:57:22,555 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:57:21" (1/1) ... [2021-11-20 23:57:22,556 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:57:21" (1/1) ... [2021-11-20 23:57:22,735 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:57:21" (1/1) ... [2021-11-20 23:57:22,774 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:57:21" (1/1) ... [2021-11-20 23:57:22,830 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:57:21" (1/1) ... [2021-11-20 23:57:22,869 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:57:22,870 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:57:22,870 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:57:22,870 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:57:22,871 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:57:21" (1/1) ... [2021-11-20 23:57:22,878 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:57:22,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:57:22,900 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:57:22,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea10566-36d5-4214-b0a2-f5fe4eeb4ec7/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:57:22,940 INFO L130 BoogieDeclarations]: Found specification of procedure nla_get_u32 [2021-11-20 23:57:22,941 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_get_u32 [2021-11-20 23:57:22,941 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_total_size [2021-11-20 23:57:22,941 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_total_size [2021-11-20 23:57:22,941 INFO L130 BoogieDeclarations]: Found specification of procedure team_mode_option_get [2021-11-20 23:57:22,941 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mode_option_get [2021-11-20 23:57:22,941 INFO L130 BoogieDeclarations]: Found specification of procedure __team_change_mode [2021-11-20 23:57:22,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_change_mode [2021-11-20 23:57:22,942 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_u32 [2021-11-20 23:57:22,942 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_u32 [2021-11-20 23:57:22,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_131 [2021-11-20 23:57:22,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_131 [2021-11-20 23:57:22,942 INFO L130 BoogieDeclarations]: Found specification of procedure team_init [2021-11-20 23:57:22,943 INFO L138 BoogieDeclarations]: Found implementation of procedure team_init [2021-11-20 23:57:22,943 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers_interval_set [2021-11-20 23:57:22,943 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers_interval_set [2021-11-20 23:57:22,943 INFO L130 BoogieDeclarations]: Found specification of procedure team_del_slave [2021-11-20 23:57:22,943 INFO L138 BoogieDeclarations]: Found implementation of procedure team_del_slave [2021-11-20 23:57:22,943 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_if_positive [2021-11-20 23:57:22,943 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_if_positive [2021-11-20 23:57:22,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-20 23:57:22,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-20 23:57:22,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-20 23:57:22,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-20 23:57:22,944 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2021-11-20 23:57:22,944 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2021-11-20 23:57:22,945 INFO L130 BoogieDeclarations]: Found specification of procedure free_percpu [2021-11-20 23:57:22,945 INFO L138 BoogieDeclarations]: Found implementation of procedure free_percpu [2021-11-20 23:57:22,945 INFO L130 BoogieDeclarations]: Found specification of procedure team_priority_option_get [2021-11-20 23:57:22,945 INFO L138 BoogieDeclarations]: Found implementation of procedure team_priority_option_get [2021-11-20 23:57:22,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_net_rtnetlink__double_lock [2021-11-20 23:57:22,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_net_rtnetlink__double_lock [2021-11-20 23:57:22,945 INFO L130 BoogieDeclarations]: Found specification of procedure team_queue_override_fini [2021-11-20 23:57:22,946 INFO L138 BoogieDeclarations]: Found implementation of procedure team_queue_override_fini [2021-11-20 23:57:22,946 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-20 23:57:22,946 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-20 23:57:22,946 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_get_rtnl [2021-11-20 23:57:22,946 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_get_rtnl [2021-11-20 23:57:22,946 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2021-11-20 23:57:22,946 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2021-11-20 23:57:22,947 INFO L130 BoogieDeclarations]: Found specification of procedure team_set_mac_address [2021-11-20 23:57:22,947 INFO L138 BoogieDeclarations]: Found implementation of procedure team_set_mac_address [2021-11-20 23:57:22,947 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers_count_set [2021-11-20 23:57:22,947 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers_count_set [2021-11-20 23:57:22,947 INFO L130 BoogieDeclarations]: Found specification of procedure team_add_slave [2021-11-20 23:57:22,947 INFO L138 BoogieDeclarations]: Found implementation of procedure team_add_slave [2021-11-20 23:57:22,948 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2021-11-20 23:57:22,948 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2021-11-20 23:57:22,948 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_del_option [2021-11-20 23:57:22,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_del_option [2021-11-20 23:57:22,948 INFO L130 BoogieDeclarations]: Found specification of procedure team_mode_put [2021-11-20 23:57:22,948 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mode_put [2021-11-20 23:57:22,948 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-20 23:57:22,949 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-20 23:57:22,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-20 23:57:22,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-20 23:57:22,949 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_new [2021-11-20 23:57:22,949 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_new [2021-11-20 23:57:22,949 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers [2021-11-20 23:57:22,950 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers [2021-11-20 23:57:22,950 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_del_rcu [2021-11-20 23:57:22,950 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_del_rcu [2021-11-20 23:57:22,950 INFO L130 BoogieDeclarations]: Found specification of procedure __team_netpoll_cleanup [2021-11-20 23:57:22,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_netpoll_cleanup [2021-11-20 23:57:22,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-20 23:57:22,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-20 23:57:22,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-20 23:57:22,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-20 23:57:22,951 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_u8 [2021-11-20 23:57:22,951 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_u8 [2021-11-20 23:57:22,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 23:57:22,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-20 23:57:22,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-20 23:57:22,952 INFO L130 BoogieDeclarations]: Found specification of procedure __find_mode [2021-11-20 23:57:22,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_mode [2021-11-20 23:57:22,952 INFO L130 BoogieDeclarations]: Found specification of procedure team_ethtool_get_drvinfo [2021-11-20 23:57:22,952 INFO L138 BoogieDeclarations]: Found implementation of procedure team_ethtool_get_drvinfo [2021-11-20 23:57:22,952 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-11-20 23:57:22,952 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-11-20 23:57:22,953 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_put [2021-11-20 23:57:22,953 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_put [2021-11-20 23:57:22,953 INFO L130 BoogieDeclarations]: Found specification of procedure team_set_rx_mode [2021-11-20 23:57:22,953 INFO L138 BoogieDeclarations]: Found implementation of procedure team_set_rx_mode [2021-11-20 23:57:22,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-20 23:57:22,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-20 23:57:22,953 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2021-11-20 23:57:22,954 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2021-11-20 23:57:22,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 23:57:22,954 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-20 23:57:22,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-20 23:57:22,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:57:22,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-20 23:57:22,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-20 23:57:22,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 23:57:22,955 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-20 23:57:22,955 INFO L130 BoogieDeclarations]: Found specification of procedure team_user_linkup_en_option_get [2021-11-20 23:57:22,955 INFO L138 BoogieDeclarations]: Found implementation of procedure team_user_linkup_en_option_get [2021-11-20 23:57:22,955 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_en_option_set [2021-11-20 23:57:22,955 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_en_option_set [2021-11-20 23:57:22,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_48 [2021-11-20 23:57:22,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_48 [2021-11-20 23:57:22,956 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_options_set [2021-11-20 23:57:22,956 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_options_set [2021-11-20 23:57:22,956 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-20 23:57:22,956 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-20 23:57:22,956 INFO L130 BoogieDeclarations]: Found specification of procedure team_queue_id_option_get [2021-11-20 23:57:22,956 INFO L138 BoogieDeclarations]: Found implementation of procedure team_queue_id_option_get [2021-11-20 23:57:22,957 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_del [2021-11-20 23:57:22,957 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_del [2021-11-20 23:57:22,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2021-11-20 23:57:22,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2021-11-20 23:57:22,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_team [2021-11-20 23:57:22,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_team [2021-11-20 23:57:22,957 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin [2021-11-20 23:57:22,958 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin [2021-11-20 23:57:22,958 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2021-11-20 23:57:22,958 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2021-11-20 23:57:22,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:57:22,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:57:22,958 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_noop [2021-11-20 23:57:22,959 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_noop [2021-11-20 23:57:22,959 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_set_orig_dev_addr [2021-11-20 23:57:22,959 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_set_orig_dev_addr [2021-11-20 23:57:22,959 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_fill_one_port_get [2021-11-20 23:57:22,959 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_fill_one_port_get [2021-11-20 23:57:22,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-20 23:57:22,959 INFO L130 BoogieDeclarations]: Found specification of procedure team_options_register [2021-11-20 23:57:22,959 INFO L138 BoogieDeclarations]: Found implementation of procedure team_options_register [2021-11-20 23:57:22,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_11 [2021-11-20 23:57:22,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_11 [2021-11-20 23:57:22,960 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-20 23:57:22,960 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-20 23:57:22,960 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_trim [2021-11-20 23:57:22,960 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_trim [2021-11-20 23:57:22,960 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add_option [2021-11-20 23:57:22,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add_option [2021-11-20 23:57:22,961 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-20 23:57:22,961 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_rcu [2021-11-20 23:57:22,961 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_rcu [2021-11-20 23:57:22,961 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_cancel [2021-11-20 23:57:22,961 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_cancel [2021-11-20 23:57:22,961 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_add_head_rcu [2021-11-20 23:57:22,962 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_add_head_rcu [2021-11-20 23:57:22,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_36 [2021-11-20 23:57:22,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_36 [2021-11-20 23:57:22,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 23:57:22,962 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 23:57:22,962 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_team_get [2021-11-20 23:57:22,962 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_team_get [2021-11-20 23:57:22,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_29 [2021-11-20 23:57:22,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_29 [2021-11-20 23:57:22,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-20 23:57:22,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-20 23:57:22,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_for_read_section [2021-11-20 23:57:22,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_for_read_section [2021-11-20 23:57:22,963 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_en_option_get [2021-11-20 23:57:22,964 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_en_option_get [2021-11-20 23:57:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure nla_len [2021-11-20 23:57:22,964 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_len [2021-11-20 23:57:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-20 23:57:22,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-20 23:57:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 23:57:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-20 23:57:22,965 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-20 23:57:22,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-20 23:57:22,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-20 23:57:22,965 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enable_netpoll [2021-11-20 23:57:22,965 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enable_netpoll [2021-11-20 23:57:22,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 23:57:22,965 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail_rcu [2021-11-20 23:57:22,965 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail_rcu [2021-11-20 23:57:22,966 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_options_get [2021-11-20 23:57:22,966 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_options_get [2021-11-20 23:57:22,966 INFO L130 BoogieDeclarations]: Found specification of procedure team_user_linkup_en_option_set [2021-11-20 23:57:22,966 INFO L138 BoogieDeclarations]: Found implementation of procedure team_user_linkup_en_option_set [2021-11-20 23:57:22,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_module_put [2021-11-20 23:57:22,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_module_put [2021-11-20 23:57:22,966 INFO L130 BoogieDeclarations]: Found specification of procedure __team_find_option [2021-11-20 23:57:22,967 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_find_option [2021-11-20 23:57:22,967 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2021-11-20 23:57:22,967 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2021-11-20 23:57:22,967 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-20 23:57:22,967 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-20 23:57:22,967 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-20 23:57:22,967 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-20 23:57:22,968 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-20 23:57:22,968 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-20 23:57:22,968 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_fill_one_option_get [2021-11-20 23:57:22,968 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_fill_one_option_get [2021-11-20 23:57:22,968 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin_interval_set [2021-11-20 23:57:22,968 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin_interval_set [2021-11-20 23:57:22,968 INFO L130 BoogieDeclarations]: Found specification of procedure team_is_mode_set [2021-11-20 23:57:22,969 INFO L138 BoogieDeclarations]: Found implementation of procedure team_is_mode_set [2021-11-20 23:57:22,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-20 23:57:22,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-20 23:57:22,969 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_change_check [2021-11-20 23:57:22,969 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_change_check [2021-11-20 23:57:22,969 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-20 23:57:22,969 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-20 23:57:22,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_rx_handler_register_149 [2021-11-20 23:57:22,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_rx_handler_register_149 [2021-11-20 23:57:22,970 INFO L130 BoogieDeclarations]: Found specification of procedure __team_compute_features [2021-11-20 23:57:22,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_compute_features [2021-11-20 23:57:22,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-20 23:57:22,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-20 23:57:22,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-20 23:57:22,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-20 23:57:22,971 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_leave [2021-11-20 23:57:22,971 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_leave [2021-11-20 23:57:22,971 INFO L130 BoogieDeclarations]: Found specification of procedure __send_and_alloc_skb [2021-11-20 23:57:22,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __send_and_alloc_skb [2021-11-20 23:57:22,971 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-20 23:57:22,971 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-20 23:57:22,972 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2021-11-20 23:57:22,972 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2021-11-20 23:57:22,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-20 23:57:22,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-20 23:57:22,972 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_cancel [2021-11-20 23:57:22,972 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_cancel [2021-11-20 23:57:22,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 23:57:22,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-20 23:57:22,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-20 23:57:22,973 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_options_get [2021-11-20 23:57:22,973 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_options_get [2021-11-20 23:57:22,973 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_increment_features [2021-11-20 23:57:22,973 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_increment_features [2021-11-20 23:57:22,973 INFO L130 BoogieDeclarations]: Found specification of procedure team_open [2021-11-20 23:57:22,974 INFO L138 BoogieDeclarations]: Found implementation of procedure team_open [2021-11-20 23:57:22,974 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add_port [2021-11-20 23:57:22,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add_port [2021-11-20 23:57:22,974 INFO L130 BoogieDeclarations]: Found specification of procedure __team_queue_override_port_add [2021-11-20 23:57:22,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_queue_override_port_add [2021-11-20 23:57:22,974 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_change_check [2021-11-20 23:57:22,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_change_check [2021-11-20 23:57:22,975 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2021-11-20 23:57:22,975 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2021-11-20 23:57:22,975 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put [2021-11-20 23:57:22,975 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put [2021-11-20 23:57:22,975 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers_count_get [2021-11-20 23:57:22,975 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers_count_get [2021-11-20 23:57:22,975 INFO L130 BoogieDeclarations]: Found specification of procedure team_validate [2021-11-20 23:57:22,975 INFO L138 BoogieDeclarations]: Found implementation of procedure team_validate [2021-11-20 23:57:22,976 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_flag [2021-11-20 23:57:22,976 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_flag [2021-11-20 23:57:22,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_past_rtnl_unlock [2021-11-20 23:57:22,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_past_rtnl_unlock [2021-11-20 23:57:22,976 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_disable_netpoll [2021-11-20 23:57:22,976 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_disable_netpoll [2021-11-20 23:57:22,976 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enter [2021-11-20 23:57:22,977 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enter [2021-11-20 23:57:22,977 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-11-20 23:57:22,977 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_string [2021-11-20 23:57:22,977 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_string [2021-11-20 23:57:22,977 INFO L130 BoogieDeclarations]: Found specification of procedure team_close [2021-11-20 23:57:22,977 INFO L138 BoogieDeclarations]: Found implementation of procedure team_close [2021-11-20 23:57:22,977 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add [2021-11-20 23:57:22,978 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add [2021-11-20 23:57:22,978 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin_count_get [2021-11-20 23:57:22,978 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin_count_get [2021-11-20 23:57:22,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-20 23:57:22,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-20 23:57:22,978 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_port_list_get [2021-11-20 23:57:22,978 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_port_list_get [2021-11-20 23:57:22,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-20 23:57:22,979 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-20 23:57:22,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_130 [2021-11-20 23:57:22,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_130 [2021-11-20 23:57:22,979 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-20 23:57:22,979 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-20 23:57:22,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-20 23:57:22,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-20 23:57:22,980 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_port_list_get [2021-11-20 23:57:22,980 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_port_list_get [2021-11-20 23:57:22,980 INFO L130 BoogieDeclarations]: Found specification of procedure team_option_set [2021-11-20 23:57:22,980 INFO L138 BoogieDeclarations]: Found implementation of procedure team_option_set [2021-11-20 23:57:22,980 INFO L130 BoogieDeclarations]: Found specification of procedure team_netpoll_setup [2021-11-20 23:57:22,980 INFO L138 BoogieDeclarations]: Found implementation of procedure team_netpoll_setup [2021-11-20 23:57:22,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_rtnl_trylock [2021-11-20 23:57:22,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_rtnl_trylock [2021-11-20 23:57:22,981 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-20 23:57:22,981 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-20 23:57:22,981 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-20 23:57:22,981 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-20 23:57:23,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-20 23:57:23,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-20 23:57:23,053 INFO L130 BoogieDeclarations]: Found specification of procedure __team_queue_override_enabled_check [2021-11-20 23:57:23,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_queue_override_enabled_check [2021-11-20 23:57:23,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-20 23:57:23,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-20 23:57:23,053 INFO L130 BoogieDeclarations]: Found specification of procedure team_netpoll_cleanup [2021-11-20 23:57:23,053 INFO L138 BoogieDeclarations]: Found implementation of procedure team_netpoll_cleanup [2021-11-20 23:57:23,053 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_mtu [2021-11-20 23:57:23,053 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_mtu [2021-11-20 23:57:23,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-20 23:57:23,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-20 23:57:23,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-20 23:57:23,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-20 23:57:23,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-20 23:57:23,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-20 23:57:23,054 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_add [2021-11-20 23:57:23,054 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_add [2021-11-20 23:57:23,054 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_unicast [2021-11-20 23:57:23,054 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_unicast [2021-11-20 23:57:23,054 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_end [2021-11-20 23:57:23,055 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_end [2021-11-20 23:57:23,055 INFO L130 BoogieDeclarations]: Found specification of procedure team_poll_controller [2021-11-20 23:57:23,055 INFO L138 BoogieDeclarations]: Found implementation of procedure team_poll_controller [2021-11-20 23:57:23,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 23:57:23,055 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_unregister [2021-11-20 23:57:23,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_unregister [2021-11-20 23:57:23,055 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-20 23:57:23,055 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-20 23:57:23,055 INFO L130 BoogieDeclarations]: Found specification of procedure team_queue_id_option_set [2021-11-20 23:57:23,056 INFO L138 BoogieDeclarations]: Found implementation of procedure team_queue_id_option_set [2021-11-20 23:57:23,056 INFO L130 BoogieDeclarations]: Found specification of procedure team_refresh_port_linkup [2021-11-20 23:57:23,056 INFO L138 BoogieDeclarations]: Found implementation of procedure team_refresh_port_linkup [2021-11-20 23:57:23,056 INFO L130 BoogieDeclarations]: Found specification of procedure team_user_linkup_option_set [2021-11-20 23:57:23,056 INFO L138 BoogieDeclarations]: Found implementation of procedure team_user_linkup_option_set [2021-11-20 23:57:23,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_20_2 [2021-11-20 23:57:23,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_20_2 [2021-11-20 23:57:23,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-20 23:57:23,056 INFO L130 BoogieDeclarations]: Found specification of procedure __team_port_change_send [2021-11-20 23:57:23,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_port_change_send [2021-11-20 23:57:23,057 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_end [2021-11-20 23:57:23,057 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_end [2021-11-20 23:57:23,057 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers_interval_get [2021-11-20 23:57:23,057 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers_interval_get [2021-11-20 23:57:23,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-20 23:57:23,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-11-20 23:57:23,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-11-20 23:57:23,057 INFO L130 BoogieDeclarations]: Found specification of procedure vlan_vid_del [2021-11-20 23:57:23,057 INFO L138 BoogieDeclarations]: Found implementation of procedure vlan_vid_del [2021-11-20 23:57:23,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-20 23:57:23,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-20 23:57:23,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-20 23:57:23,058 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-20 23:57:23,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-20 23:57:23,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-20 23:57:23,058 INFO L130 BoogieDeclarations]: Found specification of procedure team_mode_option_set [2021-11-20 23:57:23,058 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mode_option_set [2021-11-20 23:57:23,058 INFO L130 BoogieDeclarations]: Found specification of procedure team_change_mode [2021-11-20 23:57:23,058 INFO L138 BoogieDeclarations]: Found implementation of procedure team_change_mode [2021-11-20 23:57:23,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-20 23:57:23,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-20 23:57:23,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_dummy_resourceless_instance_0 [2021-11-20 23:57:23,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_dummy_resourceless_instance_0 [2021-11-20 23:57:23,060 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-20 23:57:23,060 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-20 23:57:23,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-20 23:57:23,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-20 23:57:23,061 INFO L130 BoogieDeclarations]: Found specification of procedure team_setup [2021-11-20 23:57:23,061 INFO L138 BoogieDeclarations]: Found implementation of procedure team_setup [2021-11-20 23:57:23,061 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_index_hash [2021-11-20 23:57:23,061 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_index_hash [2021-11-20 23:57:23,062 INFO L130 BoogieDeclarations]: Found specification of procedure genl_info_net [2021-11-20 23:57:23,062 INFO L138 BoogieDeclarations]: Found implementation of procedure genl_info_net [2021-11-20 23:57:23,062 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers_fini [2021-11-20 23:57:23,062 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers_fini [2021-11-20 23:57:23,062 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-20 23:57:23,062 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-20 23:57:23,062 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_del_port [2021-11-20 23:57:23,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_del_port [2021-11-20 23:57:23,063 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 23:57:23,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 23:57:23,063 INFO L130 BoogieDeclarations]: Found specification of procedure read_pnet [2021-11-20 23:57:23,063 INFO L138 BoogieDeclarations]: Found implementation of procedure read_pnet [2021-11-20 23:57:23,063 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-20 23:57:23,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-20 23:57:23,064 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_disable [2021-11-20 23:57:23,064 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_disable [2021-11-20 23:57:23,064 INFO L130 BoogieDeclarations]: Found specification of procedure team_adjust_ops [2021-11-20 23:57:23,064 INFO L138 BoogieDeclarations]: Found implementation of procedure team_adjust_ops [2021-11-20 23:57:23,064 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_rx_handler_unregister [2021-11-20 23:57:23,064 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_rx_handler_unregister [2021-11-20 23:57:23,065 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-20 23:57:23,065 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-20 23:57:23,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-20 23:57:23,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-20 23:57:23,065 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2021-11-20 23:57:23,065 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2021-11-20 23:57:23,065 INFO L130 BoogieDeclarations]: Found specification of procedure vlan_vids_del_by_dev [2021-11-20 23:57:23,066 INFO L138 BoogieDeclarations]: Found implementation of procedure vlan_vids_del_by_dev [2021-11-20 23:57:23,066 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin_interval_get [2021-11-20 23:57:23,066 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin_interval_get [2021-11-20 23:57:23,066 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2021-11-20 23:57:23,066 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2021-11-20 23:57:23,066 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin_fini [2021-11-20 23:57:23,067 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin_fini [2021-11-20 23:57:23,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdevice_notifier [2021-11-20 23:57:23,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdevice_notifier [2021-11-20 23:57:23,067 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_register [2021-11-20 23:57:23,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_register [2021-11-20 23:57:23,067 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-11-20 23:57:23,067 INFO L130 BoogieDeclarations]: Found specification of procedure team_options_change_check [2021-11-20 23:57:23,068 INFO L138 BoogieDeclarations]: Found implementation of procedure team_options_change_check [2021-11-20 23:57:23,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-20 23:57:23,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-20 23:57:23,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-20 23:57:23,068 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-11-20 23:57:23,068 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-11-20 23:57:23,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-20 23:57:23,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-20 23:57:23,069 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_team_put [2021-11-20 23:57:23,069 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_team_put [2021-11-20 23:57:23,069 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-20 23:57:23,069 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-20 23:57:23,069 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice_notifier [2021-11-20 23:57:23,070 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice_notifier [2021-11-20 23:57:23,070 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_set_team_dev_addr [2021-11-20 23:57:23,070 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_set_team_dev_addr [2021-11-20 23:57:23,070 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2021-11-20 23:57:23,070 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2021-11-20 23:57:23,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_lock_of_team [2021-11-20 23:57:23,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_lock_of_team [2021-11-20 23:57:23,071 INFO L130 BoogieDeclarations]: Found specification of procedure __team_carrier_check [2021-11-20 23:57:23,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_carrier_check [2021-11-20 23:57:23,071 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_start [2021-11-20 23:57:23,071 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_start [2021-11-20 23:57:23,071 INFO L130 BoogieDeclarations]: Found specification of procedure dev_net [2021-11-20 23:57:23,071 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_net [2021-11-20 23:57:23,071 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2021-11-20 23:57:23,072 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2021-11-20 23:57:23,072 INFO L130 BoogieDeclarations]: Found specification of procedure __team_queue_override_port_del [2021-11-20 23:57:23,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_queue_override_port_del [2021-11-20 23:57:23,072 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-20 23:57:23,072 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-20 23:57:23,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 23:57:23,073 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enabled [2021-11-20 23:57:23,073 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enabled [2021-11-20 23:57:23,073 INFO L130 BoogieDeclarations]: Found specification of procedure team_upper_dev_unlink [2021-11-20 23:57:23,073 INFO L138 BoogieDeclarations]: Found implementation of procedure team_upper_dev_unlink [2021-11-20 23:57:23,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-20 23:57:23,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-20 23:57:23,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-20 23:57:23,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-20 23:57:23,074 INFO L130 BoogieDeclarations]: Found specification of procedure call_netdevice_notifiers [2021-11-20 23:57:23,074 INFO L138 BoogieDeclarations]: Found implementation of procedure call_netdevice_notifiers [2021-11-20 23:57:23,074 INFO L130 BoogieDeclarations]: Found specification of procedure dev_put [2021-11-20 23:57:23,074 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_put [2021-11-20 23:57:23,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-20 23:57:23,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-20 23:57:23,075 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin_count_set [2021-11-20 23:57:23,075 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin_count_set [2021-11-20 23:57:23,075 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_put [2021-11-20 23:57:23,075 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_put [2021-11-20 23:57:23,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-20 23:57:23,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-20 23:57:23,076 INFO L130 BoogieDeclarations]: Found specification of procedure __team_get_qom_list [2021-11-20 23:57:23,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_get_qom_list [2021-11-20 23:57:23,076 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-20 23:57:23,076 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-20 23:57:23,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-20 23:57:23,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-20 23:57:23,076 INFO L130 BoogieDeclarations]: Found specification of procedure team_option_get [2021-11-20 23:57:23,077 INFO L138 BoogieDeclarations]: Found implementation of procedure team_option_get [2021-11-20 23:57:23,077 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_del [2021-11-20 23:57:23,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_del [2021-11-20 23:57:23,077 INFO L130 BoogieDeclarations]: Found specification of procedure team_priority_option_set [2021-11-20 23:57:23,077 INFO L138 BoogieDeclarations]: Found implementation of procedure team_priority_option_set [2021-11-20 23:57:23,077 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_link_unregister [2021-11-20 23:57:23,077 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_link_unregister [2021-11-20 23:57:23,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-20 23:57:23,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-20 23:57:23,078 INFO L130 BoogieDeclarations]: Found specification of procedure __set_port_dev_addr [2021-11-20 23:57:23,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_port_dev_addr [2021-11-20 23:57:23,078 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u32~0~TO~int [2021-11-20 23:57:23,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u32~0~TO~int [2021-11-20 23:57:23,078 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-20 23:57:23,079 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-20 23:57:23,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-20 23:57:23,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-20 23:57:23,079 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_free [2021-11-20 23:57:23,079 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_free [2021-11-20 23:57:23,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-20 23:57:23,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-20 23:57:23,080 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-20 23:57:23,080 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-20 23:57:23,080 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enable [2021-11-20 23:57:23,080 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enable [2021-11-20 23:57:23,080 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-20 23:57:23,080 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-20 23:57:23,081 INFO L130 BoogieDeclarations]: Found specification of procedure team_set_no_mode [2021-11-20 23:57:23,081 INFO L138 BoogieDeclarations]: Found implementation of procedure team_set_no_mode [2021-11-20 23:57:23,081 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-20 23:57:23,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-20 23:57:23,081 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2021-11-20 23:57:23,081 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2021-11-20 23:57:23,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_rx_handler_unregister [2021-11-20 23:57:23,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_rx_handler_unregister [2021-11-20 23:57:23,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 23:57:23,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_rx_handler_register [2021-11-20 23:57:23,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_rx_handler_register [2021-11-20 23:57:23,082 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-20 23:57:23,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-20 23:57:23,083 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_event_options_get [2021-11-20 23:57:23,083 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_event_options_get [2021-11-20 23:57:23,083 INFO L130 BoogieDeclarations]: Found specification of procedure team_uninit [2021-11-20 23:57:23,083 INFO L138 BoogieDeclarations]: Found implementation of procedure team_uninit [2021-11-20 23:57:23,083 INFO L130 BoogieDeclarations]: Found specification of procedure team_user_linkup_option_get [2021-11-20 23:57:23,099 INFO L138 BoogieDeclarations]: Found implementation of procedure team_user_linkup_option_get [2021-11-20 23:57:23,099 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_skb_cb [2021-11-20 23:57:23,099 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_skb_cb [2021-11-20 23:57:24,363 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:57:24,371 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:57:24,782 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-20 23:57:30,263 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:57:31,741 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:57:31,741 INFO L301 CfgBuilder]: Removed 16 assume(true) statements. [2021-11-20 23:57:31,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:57:31 BoogieIcfgContainer [2021-11-20 23:57:31,748 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:57:31,750 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:57:31,750 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:57:31,754 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:57:31,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:57:12" (1/3) ... [2021-11-20 23:57:31,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ec2d594 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:57:31, skipping insertion in model container [2021-11-20 23:57:31,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:57:21" (2/3) ... [2021-11-20 23:57:31,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ec2d594 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:57:31, skipping insertion in model container [2021-11-20 23:57:31,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:57:31" (3/3) ... [2021-11-20 23:57:31,757 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--net--team--team.ko.cil.i [2021-11-20 23:57:31,762 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:57:31,763 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2021-11-20 23:57:31,822 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:57:31,828 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 [2021-11-20 23:57:31,829 INFO L340 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2021-11-20 23:57:31,903 INFO L276 IsEmpty]: Start isEmpty. Operand has 2548 states, 1528 states have (on average 1.3285340314136125) internal successors, (2030), 1627 states have internal predecessors, (2030), 743 states have call successors, (743), 241 states have call predecessors, (743), 240 states have return successors, (730), 711 states have call predecessors, (730), 730 states have call successors, (730) [2021-11-20 23:57:31,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-20 23:57:31,912 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:57:31,912 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] [2021-11-20 23:57:31,913 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_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-20 23:57:31,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:57:31,918 INFO L85 PathProgramCache]: Analyzing trace with hash 322196767, now seen corresponding path program 1 times [2021-11-20 23:57:31,928 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:57:31,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849632504] [2021-11-20 23:57:31,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:57:31,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:57:32,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:57:32,728 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-20 23:57:32,728 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:57:32,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849632504] [2021-11-20 23:57:32,729 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849632504] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:57:32,729 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:57:32,729 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:57:32,731 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089031931] [2021-11-20 23:57:32,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:57:32,736 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:57:32,736 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:57:32,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:57:32,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:57:32,783 INFO L87 Difference]: Start difference. First operand has 2548 states, 1528 states have (on average 1.3285340314136125) internal successors, (2030), 1627 states have internal predecessors, (2030), 743 states have call successors, (743), 241 states have call predecessors, (743), 240 states have return successors, (730), 711 states have call predecessors, (730), 730 states have call successors, (730) Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (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) [2021-11-20 23:57:35,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:57:35,206 INFO L93 Difference]: Finished difference Result 5076 states and 7202 transitions. [2021-11-20 23:57:35,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:57:35,208 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (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 50 [2021-11-20 23:57:35,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:57:35,248 INFO L225 Difference]: With dead ends: 5076 [2021-11-20 23:57:35,249 INFO L226 Difference]: Without dead ends: 2525 [2021-11-20 23:57:35,269 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 [2021-11-20 23:57:35,273 INFO L933 BasicCegarLoop]: 3033 mSDtfsCounter, 3439 mSDsluCounter, 3459 mSDsCounter, 0 mSdLazyCounter, 855 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3441 SdHoareTripleChecker+Valid, 6066 SdHoareTripleChecker+Invalid, 855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 855 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-20 23:57:35,274 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3441 Valid, 6066 Invalid, 855 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 855 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-20 23:57:35,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2525 states. [2021-11-20 23:57:35,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2525 to 2525. [2021-11-20 23:57:35,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2525 states, 1521 states have (on average 1.2958579881656804) internal successors, (1971), 1607 states have internal predecessors, (1971), 730 states have call successors, (730), 240 states have call predecessors, (730), 239 states have return successors, (728), 709 states have call predecessors, (728), 728 states have call successors, (728) [2021-11-20 23:57:35,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2525 states to 2525 states and 3429 transitions. [2021-11-20 23:57:35,501 INFO L78 Accepts]: Start accepts. Automaton has 2525 states and 3429 transitions. Word has length 50 [2021-11-20 23:57:35,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:57:35,503 INFO L470 AbstractCegarLoop]: Abstraction has 2525 states and 3429 transitions. [2021-11-20 23:57:35,503 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (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) [2021-11-20 23:57:35,503 INFO L276 IsEmpty]: Start isEmpty. Operand 2525 states and 3429 transitions. [2021-11-20 23:57:35,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-20 23:57:35,507 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:57:35,507 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] [2021-11-20 23:57:35,508 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 23:57:35,508 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-20 23:57:35,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:57:35,509 INFO L85 PathProgramCache]: Analyzing trace with hash 118030410, now seen corresponding path program 1 times [2021-11-20 23:57:35,509 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:57:35,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742119576] [2021-11-20 23:57:35,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:57:35,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:57:35,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:57:35,791 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-20 23:57:35,791 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:57:35,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742119576] [2021-11-20 23:57:35,792 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742119576] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:57:35,792 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:57:35,792 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:57:35,792 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123748455] [2021-11-20 23:57:35,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:57:35,794 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:57:35,794 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:57:35,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:57:35,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:57:35,795 INFO L87 Difference]: Start difference. First operand 2525 states and 3429 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (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) [2021-11-20 23:57:37,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:57:37,498 INFO L93 Difference]: Finished difference Result 2525 states and 3429 transitions. [2021-11-20 23:57:37,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:57:37,499 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (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 55 [2021-11-20 23:57:37,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:57:37,520 INFO L225 Difference]: With dead ends: 2525 [2021-11-20 23:57:37,521 INFO L226 Difference]: Without dead ends: 2523 [2021-11-20 23:57:37,522 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 [2021-11-20 23:57:37,524 INFO L933 BasicCegarLoop]: 2999 mSDtfsCounter, 3403 mSDsluCounter, 3424 mSDsCounter, 0 mSdLazyCounter, 853 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3405 SdHoareTripleChecker+Valid, 5998 SdHoareTripleChecker+Invalid, 853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 853 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-20 23:57:37,524 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3405 Valid, 5998 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 853 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-20 23:57:37,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2523 states. [2021-11-20 23:57:37,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2523 to 2523. [2021-11-20 23:57:37,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2523 states, 1520 states have (on average 1.2953947368421053) internal successors, (1969), 1605 states have internal predecessors, (1969), 730 states have call successors, (730), 240 states have call predecessors, (730), 239 states have return successors, (728), 709 states have call predecessors, (728), 728 states have call successors, (728) [2021-11-20 23:57:37,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2523 states to 2523 states and 3427 transitions. [2021-11-20 23:57:37,665 INFO L78 Accepts]: Start accepts. Automaton has 2523 states and 3427 transitions. Word has length 55 [2021-11-20 23:57:37,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:57:37,666 INFO L470 AbstractCegarLoop]: Abstraction has 2523 states and 3427 transitions. [2021-11-20 23:57:37,666 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (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) [2021-11-20 23:57:37,666 INFO L276 IsEmpty]: Start isEmpty. Operand 2523 states and 3427 transitions. [2021-11-20 23:57:37,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-20 23:57:37,675 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:57:37,675 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] [2021-11-20 23:57:37,676 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 23:57:37,677 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-20 23:57:37,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:57:37,678 INFO L85 PathProgramCache]: Analyzing trace with hash -957670702, now seen corresponding path program 1 times [2021-11-20 23:57:37,678 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:57:37,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455221993] [2021-11-20 23:57:37,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:57:37,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:57:37,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:57:37,997 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-20 23:57:37,997 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:57:37,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455221993] [2021-11-20 23:57:37,997 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455221993] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:57:37,998 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:57:37,998 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:57:37,998 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455907554] [2021-11-20 23:57:37,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:57:37,998 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:57:37,999 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:57:37,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:57:37,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:57:37,999 INFO L87 Difference]: Start difference. First operand 2523 states and 3427 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (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) [2021-11-20 23:57:39,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:57:39,674 INFO L93 Difference]: Finished difference Result 2523 states and 3427 transitions. [2021-11-20 23:57:39,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:57:39,675 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (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 60 [2021-11-20 23:57:39,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:57:39,695 INFO L225 Difference]: With dead ends: 2523 [2021-11-20 23:57:39,695 INFO L226 Difference]: Without dead ends: 2521 [2021-11-20 23:57:39,697 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 [2021-11-20 23:57:39,698 INFO L933 BasicCegarLoop]: 2997 mSDtfsCounter, 3400 mSDsluCounter, 3422 mSDsCounter, 0 mSdLazyCounter, 853 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3402 SdHoareTripleChecker+Valid, 5994 SdHoareTripleChecker+Invalid, 853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 853 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-20 23:57:39,698 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3402 Valid, 5994 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 853 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-20 23:57:39,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2521 states. [2021-11-20 23:57:39,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2521 to 2521. [2021-11-20 23:57:39,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2521 states, 1519 states have (on average 1.294930875576037) internal successors, (1967), 1603 states have internal predecessors, (1967), 730 states have call successors, (730), 240 states have call predecessors, (730), 239 states have return successors, (728), 709 states have call predecessors, (728), 728 states have call successors, (728) [2021-11-20 23:57:39,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2521 states to 2521 states and 3425 transitions. [2021-11-20 23:57:39,849 INFO L78 Accepts]: Start accepts. Automaton has 2521 states and 3425 transitions. Word has length 60 [2021-11-20 23:57:39,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:57:39,850 INFO L470 AbstractCegarLoop]: Abstraction has 2521 states and 3425 transitions. [2021-11-20 23:57:39,850 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (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) [2021-11-20 23:57:39,851 INFO L276 IsEmpty]: Start isEmpty. Operand 2521 states and 3425 transitions. [2021-11-20 23:57:39,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-20 23:57:39,853 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:57:39,853 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] [2021-11-20 23:57:39,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 23:57:39,854 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-20 23:57:39,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:57:39,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1323713294, now seen corresponding path program 1 times [2021-11-20 23:57:39,854 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:57:39,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769926723] [2021-11-20 23:57:39,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:57:39,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:57:39,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:57:40,159 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-20 23:57:40,159 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:57:40,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769926723] [2021-11-20 23:57:40,159 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769926723] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:57:40,159 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:57:40,160 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:57:40,160 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252838470] [2021-11-20 23:57:40,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:57:40,160 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:57:40,160 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:57:40,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:57:40,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:57:40,161 INFO L87 Difference]: Start difference. First operand 2521 states and 3425 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (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) [2021-11-20 23:57:42,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:57:42,231 INFO L93 Difference]: Finished difference Result 2521 states and 3425 transitions. [2021-11-20 23:57:42,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:57:42,232 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (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 65 [2021-11-20 23:57:42,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:57:42,252 INFO L225 Difference]: With dead ends: 2521 [2021-11-20 23:57:42,252 INFO L226 Difference]: Without dead ends: 2519 [2021-11-20 23:57:42,254 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 [2021-11-20 23:57:42,255 INFO L933 BasicCegarLoop]: 2995 mSDtfsCounter, 3397 mSDsluCounter, 3420 mSDsCounter, 0 mSdLazyCounter, 853 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3399 SdHoareTripleChecker+Valid, 5990 SdHoareTripleChecker+Invalid, 853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 853 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-20 23:57:42,255 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3399 Valid, 5990 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 853 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-20 23:57:42,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2519 states. [2021-11-20 23:57:42,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2519 to 2519. [2021-11-20 23:57:42,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2519 states, 1518 states have (on average 1.2944664031620554) internal successors, (1965), 1601 states have internal predecessors, (1965), 730 states have call successors, (730), 240 states have call predecessors, (730), 239 states have return successors, (728), 709 states have call predecessors, (728), 728 states have call successors, (728) [2021-11-20 23:57:42,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2519 states to 2519 states and 3423 transitions. [2021-11-20 23:57:42,483 INFO L78 Accepts]: Start accepts. Automaton has 2519 states and 3423 transitions. Word has length 65 [2021-11-20 23:57:42,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:57:42,484 INFO L470 AbstractCegarLoop]: Abstraction has 2519 states and 3423 transitions. [2021-11-20 23:57:42,484 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (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) [2021-11-20 23:57:42,484 INFO L276 IsEmpty]: Start isEmpty. Operand 2519 states and 3423 transitions. [2021-11-20 23:57:42,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-20 23:57:42,487 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:57:42,488 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:57:42,488 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 23:57:42,488 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-20 23:57:42,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:57:42,489 INFO L85 PathProgramCache]: Analyzing trace with hash 2089588214, now seen corresponding path program 1 times [2021-11-20 23:57:42,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:57:42,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186257780] [2021-11-20 23:57:42,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:57:42,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:57:42,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:57:42,798 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-20 23:57:42,798 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:57:42,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186257780] [2021-11-20 23:57:42,799 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186257780] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:57:42,799 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:57:42,799 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 23:57:42,799 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096354660] [2021-11-20 23:57:42,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:57:42,801 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 23:57:42,801 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:57:42,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 23:57:42,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:57:42,802 INFO L87 Difference]: Start difference. First operand 2519 states and 3423 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-20 23:57:46,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:57:46,728 INFO L93 Difference]: Finished difference Result 4794 states and 6578 transitions. [2021-11-20 23:57:46,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 23:57:46,728 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 77 [2021-11-20 23:57:46,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:57:46,774 INFO L225 Difference]: With dead ends: 4794 [2021-11-20 23:57:46,775 INFO L226 Difference]: Without dead ends: 4792 [2021-11-20 23:57:46,779 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-20 23:57:46,781 INFO L933 BasicCegarLoop]: 5116 mSDtfsCounter, 3320 mSDsluCounter, 14810 mSDsCounter, 0 mSdLazyCounter, 2422 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3321 SdHoareTripleChecker+Valid, 18188 SdHoareTripleChecker+Invalid, 2424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-20 23:57:46,781 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3321 Valid, 18188 Invalid, 2424 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2422 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-11-20 23:57:46,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4792 states. [2021-11-20 23:57:47,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4792 to 4701. [2021-11-20 23:57:47,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4701 states, 2848 states have (on average 1.2984550561797752) internal successors, (3698), 2988 states have internal predecessors, (3698), 1361 states have call successors, (1361), 469 states have call predecessors, (1361), 460 states have return successors, (1449), 1302 states have call predecessors, (1449), 1359 states have call successors, (1449) [2021-11-20 23:57:47,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4701 states to 4701 states and 6508 transitions. [2021-11-20 23:57:47,183 INFO L78 Accepts]: Start accepts. Automaton has 4701 states and 6508 transitions. Word has length 77 [2021-11-20 23:57:47,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:57:47,184 INFO L470 AbstractCegarLoop]: Abstraction has 4701 states and 6508 transitions. [2021-11-20 23:57:47,185 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-20 23:57:47,185 INFO L276 IsEmpty]: Start isEmpty. Operand 4701 states and 6508 transitions. [2021-11-20 23:57:47,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-20 23:57:47,188 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:57:47,188 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] [2021-11-20 23:57:47,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 23:57:47,188 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_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-20 23:57:47,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:57:47,189 INFO L85 PathProgramCache]: Analyzing trace with hash -695946674, now seen corresponding path program 1 times [2021-11-20 23:57:47,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:57:47,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677327241] [2021-11-20 23:57:47,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:57:47,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:57:47,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:57:47,433 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-20 23:57:47,433 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:57:47,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677327241] [2021-11-20 23:57:47,434 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677327241] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:57:47,434 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:57:47,434 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:57:47,434 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190453590] [2021-11-20 23:57:47,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:57:47,435 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:57:47,435 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:57:47,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:57:47,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:57:47,436 INFO L87 Difference]: Start difference. First operand 4701 states and 6508 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (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) [2021-11-20 23:57:50,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:57:50,077 INFO L93 Difference]: Finished difference Result 4701 states and 6508 transitions. [2021-11-20 23:57:50,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:57:50,078 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (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 70 [2021-11-20 23:57:50,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:57:50,115 INFO L225 Difference]: With dead ends: 4701 [2021-11-20 23:57:50,115 INFO L226 Difference]: Without dead ends: 4699 [2021-11-20 23:57:50,119 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 [2021-11-20 23:57:50,120 INFO L933 BasicCegarLoop]: 2993 mSDtfsCounter, 3394 mSDsluCounter, 3418 mSDsCounter, 0 mSdLazyCounter, 853 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3396 SdHoareTripleChecker+Valid, 5986 SdHoareTripleChecker+Invalid, 853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 853 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-20 23:57:50,120 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3396 Valid, 5986 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 853 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-20 23:57:50,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4699 states. [2021-11-20 23:57:50,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4699 to 4699. [2021-11-20 23:57:50,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4699 states, 2847 states have (on average 1.2978573937478046) internal successors, (3695), 2986 states have internal predecessors, (3695), 1361 states have call successors, (1361), 469 states have call predecessors, (1361), 460 states have return successors, (1449), 1302 states have call predecessors, (1449), 1359 states have call successors, (1449) [2021-11-20 23:57:50,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4699 states to 4699 states and 6505 transitions. [2021-11-20 23:57:50,437 INFO L78 Accepts]: Start accepts. Automaton has 4699 states and 6505 transitions. Word has length 70 [2021-11-20 23:57:50,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:57:50,438 INFO L470 AbstractCegarLoop]: Abstraction has 4699 states and 6505 transitions. [2021-11-20 23:57:50,438 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (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) [2021-11-20 23:57:50,438 INFO L276 IsEmpty]: Start isEmpty. Operand 4699 states and 6505 transitions. [2021-11-20 23:57:50,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-20 23:57:50,440 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:57:50,441 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] [2021-11-20 23:57:50,441 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-20 23:57:50,441 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_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-20 23:57:50,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:57:50,442 INFO L85 PathProgramCache]: Analyzing trace with hash 418749566, now seen corresponding path program 1 times [2021-11-20 23:57:50,442 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:57:50,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052282731] [2021-11-20 23:57:50,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:57:50,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:57:50,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:57:50,676 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-20 23:57:50,676 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:57:50,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052282731] [2021-11-20 23:57:50,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052282731] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:57:50,677 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:57:50,677 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:57:50,677 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285643746] [2021-11-20 23:57:50,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:57:50,678 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:57:50,678 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:57:50,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:57:50,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:57:50,679 INFO L87 Difference]: Start difference. First operand 4699 states and 6505 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (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) [2021-11-20 23:57:52,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:57:52,541 INFO L93 Difference]: Finished difference Result 4699 states and 6505 transitions. [2021-11-20 23:57:52,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:57:52,542 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 75 [2021-11-20 23:57:52,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:57:52,579 INFO L225 Difference]: With dead ends: 4699 [2021-11-20 23:57:52,579 INFO L226 Difference]: Without dead ends: 4697 [2021-11-20 23:57:52,583 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 [2021-11-20 23:57:52,584 INFO L933 BasicCegarLoop]: 2991 mSDtfsCounter, 3391 mSDsluCounter, 3416 mSDsCounter, 0 mSdLazyCounter, 853 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3393 SdHoareTripleChecker+Valid, 5982 SdHoareTripleChecker+Invalid, 853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 853 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-20 23:57:52,585 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3393 Valid, 5982 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 853 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-20 23:57:52,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4697 states. [2021-11-20 23:57:52,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4697 to 4697. [2021-11-20 23:57:52,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4697 states, 2846 states have (on average 1.297259311314125) internal successors, (3692), 2984 states have internal predecessors, (3692), 1361 states have call successors, (1361), 469 states have call predecessors, (1361), 460 states have return successors, (1449), 1302 states have call predecessors, (1449), 1359 states have call successors, (1449) [2021-11-20 23:57:52,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4697 states to 4697 states and 6502 transitions. [2021-11-20 23:57:52,879 INFO L78 Accepts]: Start accepts. Automaton has 4697 states and 6502 transitions. Word has length 75 [2021-11-20 23:57:52,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:57:52,881 INFO L470 AbstractCegarLoop]: Abstraction has 4697 states and 6502 transitions. [2021-11-20 23:57:52,881 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (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) [2021-11-20 23:57:52,881 INFO L276 IsEmpty]: Start isEmpty. Operand 4697 states and 6502 transitions. [2021-11-20 23:57:52,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-20 23:57:52,889 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:57:52,889 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:57:52,890 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-20 23:57:52,890 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-20 23:57:52,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:57:52,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1734291145, now seen corresponding path program 1 times [2021-11-20 23:57:52,891 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:57:52,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302784524] [2021-11-20 23:57:52,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:57:52,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:57:53,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:57:53,287 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-20 23:57:53,287 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:57:53,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302784524] [2021-11-20 23:57:53,287 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302784524] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:57:53,288 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:57:53,288 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 23:57:53,288 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50147040] [2021-11-20 23:57:53,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:57:53,289 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 23:57:53,289 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:57:53,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 23:57:53,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 23:57:53,291 INFO L87 Difference]: Start difference. First operand 4697 states and 6502 transitions. Second operand has 6 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-20 23:57:58,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:57:58,512 INFO L93 Difference]: Finished difference Result 4697 states and 6502 transitions. [2021-11-20 23:57:58,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 23:57:58,516 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) Word has length 88 [2021-11-20 23:57:58,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:57:58,566 INFO L225 Difference]: With dead ends: 4697 [2021-11-20 23:57:58,567 INFO L226 Difference]: Without dead ends: 4695 [2021-11-20 23:57:58,570 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-20 23:57:58,571 INFO L933 BasicCegarLoop]: 2990 mSDtfsCounter, 3383 mSDsluCounter, 8772 mSDsCounter, 0 mSdLazyCounter, 3162 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3387 SdHoareTripleChecker+Valid, 10494 SdHoareTripleChecker+Invalid, 3164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2021-11-20 23:57:58,571 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3387 Valid, 10494 Invalid, 3164 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 3162 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2021-11-20 23:57:58,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4695 states. [2021-11-20 23:57:58,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4695 to 4695. [2021-11-20 23:57:58,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4695 states, 2845 states have (on average 1.2966608084358524) internal successors, (3689), 2982 states have internal predecessors, (3689), 1361 states have call successors, (1361), 469 states have call predecessors, (1361), 460 states have return successors, (1449), 1302 states have call predecessors, (1449), 1359 states have call successors, (1449) [2021-11-20 23:57:58,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4695 states to 4695 states and 6499 transitions. [2021-11-20 23:57:58,847 INFO L78 Accepts]: Start accepts. Automaton has 4695 states and 6499 transitions. Word has length 88 [2021-11-20 23:57:58,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:57:58,848 INFO L470 AbstractCegarLoop]: Abstraction has 4695 states and 6499 transitions. [2021-11-20 23:57:58,848 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-20 23:57:58,848 INFO L276 IsEmpty]: Start isEmpty. Operand 4695 states and 6499 transitions. [2021-11-20 23:57:58,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-20 23:57:58,850 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:57:58,850 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] [2021-11-20 23:57:58,851 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-20 23:57:58,851 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-20 23:57:58,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:57:58,851 INFO L85 PathProgramCache]: Analyzing trace with hash 110577159, now seen corresponding path program 1 times [2021-11-20 23:57:58,851 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:57:58,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940757812] [2021-11-20 23:57:58,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:57:58,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:57:58,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:57:59,066 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-20 23:57:59,067 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:57:59,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940757812] [2021-11-20 23:57:59,067 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940757812] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:57:59,067 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:57:59,067 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:57:59,067 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17335521] [2021-11-20 23:57:59,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:57:59,068 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:57:59,069 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:57:59,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:57:59,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:57:59,070 INFO L87 Difference]: Start difference. First operand 4695 states and 6499 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (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) [2021-11-20 23:58:01,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:58:01,218 INFO L93 Difference]: Finished difference Result 4695 states and 6499 transitions. [2021-11-20 23:58:01,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:58:01,219 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (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 [2021-11-20 23:58:01,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:58:01,242 INFO L225 Difference]: With dead ends: 4695 [2021-11-20 23:58:01,242 INFO L226 Difference]: Without dead ends: 4693 [2021-11-20 23:58:01,245 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 [2021-11-20 23:58:01,246 INFO L933 BasicCegarLoop]: 2987 mSDtfsCounter, 3386 mSDsluCounter, 3412 mSDsCounter, 0 mSdLazyCounter, 853 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3388 SdHoareTripleChecker+Valid, 5974 SdHoareTripleChecker+Invalid, 853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 853 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-20 23:58:01,246 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3388 Valid, 5974 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 853 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-20 23:58:01,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4693 states. [2021-11-20 23:58:01,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4693 to 4693. [2021-11-20 23:58:01,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4693 states, 2844 states have (on average 1.2960618846694796) internal successors, (3686), 2980 states have internal predecessors, (3686), 1361 states have call successors, (1361), 469 states have call predecessors, (1361), 460 states have return successors, (1449), 1302 states have call predecessors, (1449), 1359 states have call successors, (1449) [2021-11-20 23:58:01,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4693 states to 4693 states and 6496 transitions. [2021-11-20 23:58:01,590 INFO L78 Accepts]: Start accepts. Automaton has 4693 states and 6496 transitions. Word has length 80 [2021-11-20 23:58:01,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:58:01,591 INFO L470 AbstractCegarLoop]: Abstraction has 4693 states and 6496 transitions. [2021-11-20 23:58:01,591 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (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) [2021-11-20 23:58:01,591 INFO L276 IsEmpty]: Start isEmpty. Operand 4693 states and 6496 transitions. [2021-11-20 23:58:01,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-20 23:58:01,595 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:58:01,595 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:58:01,595 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-20 23:58:01,596 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-20 23:58:01,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:58:01,596 INFO L85 PathProgramCache]: Analyzing trace with hash -2011100722, now seen corresponding path program 1 times [2021-11-20 23:58:01,597 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:58:01,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890746206] [2021-11-20 23:58:01,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:58:01,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:58:01,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:58:01,839 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-20 23:58:01,840 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:58:01,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890746206] [2021-11-20 23:58:01,840 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890746206] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:58:01,841 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:58:01,841 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:58:01,841 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503384318] [2021-11-20 23:58:01,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:58:01,842 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:58:01,842 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:58:01,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:58:01,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:58:01,843 INFO L87 Difference]: Start difference. First operand 4693 states and 6496 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-20 23:58:03,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:58:03,108 INFO L93 Difference]: Finished difference Result 9366 states and 13196 transitions. [2021-11-20 23:58:03,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:58:03,109 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 91 [2021-11-20 23:58:03,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:58:03,134 INFO L225 Difference]: With dead ends: 9366 [2021-11-20 23:58:03,134 INFO L226 Difference]: Without dead ends: 4687 [2021-11-20 23:58:03,171 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 [2021-11-20 23:58:03,172 INFO L933 BasicCegarLoop]: 2983 mSDtfsCounter, 3369 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 427 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3369 SdHoareTripleChecker+Valid, 2983 SdHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-20 23:58:03,173 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3369 Valid, 2983 Invalid, 427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 427 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-20 23:58:03,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4687 states. [2021-11-20 23:58:03,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4687 to 4687. [2021-11-20 23:58:03,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4687 states, 2839 states have (on average 1.295174357168017) internal successors, (3677), 2974 states have internal predecessors, (3677), 1361 states have call successors, (1361), 469 states have call predecessors, (1361), 460 states have return successors, (1449), 1302 states have call predecessors, (1449), 1359 states have call successors, (1449) [2021-11-20 23:58:03,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4687 states to 4687 states and 6487 transitions. [2021-11-20 23:58:03,553 INFO L78 Accepts]: Start accepts. Automaton has 4687 states and 6487 transitions. Word has length 91 [2021-11-20 23:58:03,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:58:03,554 INFO L470 AbstractCegarLoop]: Abstraction has 4687 states and 6487 transitions. [2021-11-20 23:58:03,554 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-20 23:58:03,554 INFO L276 IsEmpty]: Start isEmpty. Operand 4687 states and 6487 transitions. [2021-11-20 23:58:03,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-20 23:58:03,557 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:58:03,557 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:58:03,557 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-20 23:58:03,558 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-20 23:58:03,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:58:03,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1952997144, now seen corresponding path program 1 times [2021-11-20 23:58:03,558 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:58:03,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182882130] [2021-11-20 23:58:03,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:58:03,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:58:03,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:58:04,203 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-20 23:58:04,204 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:58:04,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182882130] [2021-11-20 23:58:04,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182882130] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:58:04,205 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:58:04,205 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 23:58:04,205 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079362951] [2021-11-20 23:58:04,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:58:04,206 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 23:58:04,206 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:58:04,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 23:58:04,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:58:04,208 INFO L87 Difference]: Start difference. First operand 4687 states and 6487 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-20 23:58:10,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:58:10,132 INFO L93 Difference]: Finished difference Result 4768 states and 6550 transitions. [2021-11-20 23:58:10,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 23:58:10,133 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 93 [2021-11-20 23:58:10,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:58:10,158 INFO L225 Difference]: With dead ends: 4768 [2021-11-20 23:58:10,159 INFO L226 Difference]: Without dead ends: 4766 [2021-11-20 23:58:10,163 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-20 23:58:10,164 INFO L933 BasicCegarLoop]: 4260 mSDtfsCounter, 3215 mSDsluCounter, 12955 mSDsCounter, 0 mSdLazyCounter, 2086 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3216 SdHoareTripleChecker+Valid, 15696 SdHoareTripleChecker+Invalid, 2086 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2086 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2021-11-20 23:58:10,164 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3216 Valid, 15696 Invalid, 2086 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2086 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2021-11-20 23:58:10,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4766 states. [2021-11-20 23:58:10,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4766 to 4711. [2021-11-20 23:58:10,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4711 states, 2853 states have (on average 1.2937259025587102) internal successors, (3691), 2987 states have internal predecessors, (3691), 1369 states have call successors, (1369), 472 states have call predecessors, (1369), 462 states have return successors, (1458), 1310 states have call predecessors, (1458), 1367 states have call successors, (1458) [2021-11-20 23:58:10,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4711 states to 4711 states and 6518 transitions. [2021-11-20 23:58:10,528 INFO L78 Accepts]: Start accepts. Automaton has 4711 states and 6518 transitions. Word has length 93 [2021-11-20 23:58:10,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:58:10,529 INFO L470 AbstractCegarLoop]: Abstraction has 4711 states and 6518 transitions. [2021-11-20 23:58:10,529 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-20 23:58:10,530 INFO L276 IsEmpty]: Start isEmpty. Operand 4711 states and 6518 transitions. [2021-11-20 23:58:10,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-20 23:58:10,532 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:58:10,532 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] [2021-11-20 23:58:10,532 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-20 23:58:10,533 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-20 23:58:10,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:58:10,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1193842968, now seen corresponding path program 1 times [2021-11-20 23:58:10,534 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:58:10,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891268596] [2021-11-20 23:58:10,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:58:10,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:58:10,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:58:10,764 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-20 23:58:10,764 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:58:10,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891268596] [2021-11-20 23:58:10,765 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891268596] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:58:10,765 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:58:10,765 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:58:10,765 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624361144] [2021-11-20 23:58:10,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:58:10,766 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:58:10,766 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:58:10,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:58:10,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:58:10,767 INFO L87 Difference]: Start difference. First operand 4711 states and 6518 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, (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) [2021-11-20 23:58:12,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:58:12,920 INFO L93 Difference]: Finished difference Result 4711 states and 6518 transitions. [2021-11-20 23:58:12,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:58:12,921 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, (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 [2021-11-20 23:58:12,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:58:12,946 INFO L225 Difference]: With dead ends: 4711 [2021-11-20 23:58:12,946 INFO L226 Difference]: Without dead ends: 4709 [2021-11-20 23:58:12,950 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 [2021-11-20 23:58:12,951 INFO L933 BasicCegarLoop]: 2980 mSDtfsCounter, 3382 mSDsluCounter, 3401 mSDsCounter, 0 mSdLazyCounter, 853 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3384 SdHoareTripleChecker+Valid, 5956 SdHoareTripleChecker+Invalid, 853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 853 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-20 23:58:12,952 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3384 Valid, 5956 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 853 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-20 23:58:12,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4709 states. [2021-11-20 23:58:13,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4709 to 4709. [2021-11-20 23:58:13,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4709 states, 2852 states have (on average 1.2931276297335204) internal successors, (3688), 2985 states have internal predecessors, (3688), 1369 states have call successors, (1369), 472 states have call predecessors, (1369), 462 states have return successors, (1458), 1310 states have call predecessors, (1458), 1367 states have call successors, (1458) [2021-11-20 23:58:13,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4709 states to 4709 states and 6515 transitions. [2021-11-20 23:58:13,406 INFO L78 Accepts]: Start accepts. Automaton has 4709 states and 6515 transitions. Word has length 85 [2021-11-20 23:58:13,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:58:13,407 INFO L470 AbstractCegarLoop]: Abstraction has 4709 states and 6515 transitions. [2021-11-20 23:58:13,407 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, (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) [2021-11-20 23:58:13,407 INFO L276 IsEmpty]: Start isEmpty. Operand 4709 states and 6515 transitions. [2021-11-20 23:58:13,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-20 23:58:13,410 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:58:13,410 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] [2021-11-20 23:58:13,410 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-20 23:58:13,410 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-20 23:58:13,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:58:13,412 INFO L85 PathProgramCache]: Analyzing trace with hash 527058331, now seen corresponding path program 1 times [2021-11-20 23:58:13,413 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:58:13,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080895008] [2021-11-20 23:58:13,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:58:13,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:58:13,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:58:13,637 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-20 23:58:13,638 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:58:13,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080895008] [2021-11-20 23:58:13,638 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080895008] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:58:13,638 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:58:13,639 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:58:13,639 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895741531] [2021-11-20 23:58:13,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:58:13,640 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:58:13,640 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:58:13,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:58:13,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:58:13,641 INFO L87 Difference]: Start difference. First operand 4709 states and 6515 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (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) [2021-11-20 23:58:15,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:58:15,935 INFO L93 Difference]: Finished difference Result 4709 states and 6515 transitions. [2021-11-20 23:58:15,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:58:15,935 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (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 87 [2021-11-20 23:58:15,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:58:15,959 INFO L225 Difference]: With dead ends: 4709 [2021-11-20 23:58:15,959 INFO L226 Difference]: Without dead ends: 4707 [2021-11-20 23:58:15,963 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 [2021-11-20 23:58:15,964 INFO L933 BasicCegarLoop]: 2978 mSDtfsCounter, 3374 mSDsluCounter, 3403 mSDsCounter, 0 mSdLazyCounter, 853 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3376 SdHoareTripleChecker+Valid, 5956 SdHoareTripleChecker+Invalid, 853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 853 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-20 23:58:15,964 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3376 Valid, 5956 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 853 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-20 23:58:15,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4707 states. [2021-11-20 23:58:16,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4707 to 4707. [2021-11-20 23:58:16,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4707 states, 2851 states have (on average 1.2925289372150124) internal successors, (3685), 2983 states have internal predecessors, (3685), 1369 states have call successors, (1369), 472 states have call predecessors, (1369), 462 states have return successors, (1458), 1310 states have call predecessors, (1458), 1367 states have call successors, (1458) [2021-11-20 23:58:16,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4707 states to 4707 states and 6512 transitions. [2021-11-20 23:58:16,353 INFO L78 Accepts]: Start accepts. Automaton has 4707 states and 6512 transitions. Word has length 87 [2021-11-20 23:58:16,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:58:16,354 INFO L470 AbstractCegarLoop]: Abstraction has 4707 states and 6512 transitions. [2021-11-20 23:58:16,354 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (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) [2021-11-20 23:58:16,355 INFO L276 IsEmpty]: Start isEmpty. Operand 4707 states and 6512 transitions. [2021-11-20 23:58:16,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-20 23:58:16,357 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:58:16,358 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] [2021-11-20 23:58:16,358 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-20 23:58:16,358 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_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-20 23:58:16,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:58:16,359 INFO L85 PathProgramCache]: Analyzing trace with hash 1731411863, now seen corresponding path program 1 times [2021-11-20 23:58:16,359 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:58:16,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142750200] [2021-11-20 23:58:16,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:58:16,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:58:16,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:58:16,605 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-20 23:58:16,605 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:58:16,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142750200] [2021-11-20 23:58:16,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142750200] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:58:16,606 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:58:16,606 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:58:16,606 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231534734] [2021-11-20 23:58:16,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:58:16,607 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:58:16,607 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:58:16,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:58:16,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:58:16,608 INFO L87 Difference]: Start difference. First operand 4707 states and 6512 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (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) [2021-11-20 23:58:21,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:58:21,287 INFO L93 Difference]: Finished difference Result 9400 states and 13187 transitions. [2021-11-20 23:58:21,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 23:58:21,288 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (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 92 [2021-11-20 23:58:21,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:58:21,337 INFO L225 Difference]: With dead ends: 9400 [2021-11-20 23:58:21,338 INFO L226 Difference]: Without dead ends: 9398 [2021-11-20 23:58:21,344 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 [2021-11-20 23:58:21,345 INFO L933 BasicCegarLoop]: 4125 mSDtfsCounter, 3372 mSDsluCounter, 8053 mSDsCounter, 0 mSdLazyCounter, 1423 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3374 SdHoareTripleChecker+Valid, 11263 SdHoareTripleChecker+Invalid, 1424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-11-20 23:58:21,346 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3374 Valid, 11263 Invalid, 1424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1423 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2021-11-20 23:58:21,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9398 states. [2021-11-20 23:58:22,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9398 to 9230. [2021-11-20 23:58:22,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9230 states, 5601 states have (on average 1.293161935368684) internal successors, (7243), 5842 states have internal predecessors, (7243), 2700 states have call successors, (2700), 923 states have call predecessors, (2700), 904 states have return successors, (3065), 2581 states have call predecessors, (3065), 2698 states have call successors, (3065) [2021-11-20 23:58:22,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9230 states to 9230 states and 13008 transitions. [2021-11-20 23:58:22,094 INFO L78 Accepts]: Start accepts. Automaton has 9230 states and 13008 transitions. Word has length 92 [2021-11-20 23:58:22,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:58:22,094 INFO L470 AbstractCegarLoop]: Abstraction has 9230 states and 13008 transitions. [2021-11-20 23:58:22,095 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (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) [2021-11-20 23:58:22,095 INFO L276 IsEmpty]: Start isEmpty. Operand 9230 states and 13008 transitions. [2021-11-20 23:58:22,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-20 23:58:22,098 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:58:22,098 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] [2021-11-20 23:58:22,098 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-20 23:58:22,099 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-20 23:58:22,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:58:22,099 INFO L85 PathProgramCache]: Analyzing trace with hash 2099268567, now seen corresponding path program 1 times [2021-11-20 23:58:22,099 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:58:22,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975195399] [2021-11-20 23:58:22,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:58:22,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:58:22,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:58:22,340 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-20 23:58:22,340 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:58:22,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975195399] [2021-11-20 23:58:22,341 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975195399] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:58:22,341 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:58:22,341 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:58:22,342 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399887423] [2021-11-20 23:58:22,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:58:22,342 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:58:22,342 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:58:22,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:58:22,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:58:22,343 INFO L87 Difference]: Start difference. First operand 9230 states and 13008 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (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) [2021-11-20 23:58:24,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:58:24,523 INFO L93 Difference]: Finished difference Result 9230 states and 13008 transitions. [2021-11-20 23:58:24,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:58:24,523 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (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 97 [2021-11-20 23:58:24,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:58:24,571 INFO L225 Difference]: With dead ends: 9230 [2021-11-20 23:58:24,571 INFO L226 Difference]: Without dead ends: 9228 [2021-11-20 23:58:24,578 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 [2021-11-20 23:58:24,579 INFO L933 BasicCegarLoop]: 2975 mSDtfsCounter, 3372 mSDsluCounter, 3400 mSDsCounter, 0 mSdLazyCounter, 855 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3374 SdHoareTripleChecker+Valid, 5950 SdHoareTripleChecker+Invalid, 855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 855 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-20 23:58:24,580 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3374 Valid, 5950 Invalid, 855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 855 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-20 23:58:24,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9228 states. [2021-11-20 23:58:25,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9228 to 9228. [2021-11-20 23:58:25,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9228 states, 5600 states have (on average 1.292857142857143) internal successors, (7240), 5840 states have internal predecessors, (7240), 2700 states have call successors, (2700), 923 states have call predecessors, (2700), 904 states have return successors, (3065), 2581 states have call predecessors, (3065), 2698 states have call successors, (3065) [2021-11-20 23:58:25,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9228 states to 9228 states and 13005 transitions. [2021-11-20 23:58:25,240 INFO L78 Accepts]: Start accepts. Automaton has 9228 states and 13005 transitions. Word has length 97 [2021-11-20 23:58:25,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:58:25,241 INFO L470 AbstractCegarLoop]: Abstraction has 9228 states and 13005 transitions. [2021-11-20 23:58:25,241 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (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) [2021-11-20 23:58:25,242 INFO L276 IsEmpty]: Start isEmpty. Operand 9228 states and 13005 transitions. [2021-11-20 23:58:25,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-20 23:58:25,244 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:58:25,244 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] [2021-11-20 23:58:25,245 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-20 23:58:25,245 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-20 23:58:25,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:58:25,245 INFO L85 PathProgramCache]: Analyzing trace with hash 434803712, now seen corresponding path program 1 times [2021-11-20 23:58:25,245 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:58:25,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196994529] [2021-11-20 23:58:25,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:58:25,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:58:25,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:58:25,418 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-20 23:58:25,418 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:58:25,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196994529] [2021-11-20 23:58:25,419 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196994529] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:58:25,419 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:58:25,419 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:58:25,419 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758202109] [2021-11-20 23:58:25,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:58:25,420 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:58:25,420 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:58:25,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:58:25,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:58:25,421 INFO L87 Difference]: Start difference. First operand 9228 states and 13005 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-20 23:58:27,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:58:27,562 INFO L93 Difference]: Finished difference Result 9228 states and 13005 transitions. [2021-11-20 23:58:27,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:58:27,563 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 102 [2021-11-20 23:58:27,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:58:27,605 INFO L225 Difference]: With dead ends: 9228 [2021-11-20 23:58:27,605 INFO L226 Difference]: Without dead ends: 9226 [2021-11-20 23:58:27,612 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 [2021-11-20 23:58:27,612 INFO L933 BasicCegarLoop]: 2974 mSDtfsCounter, 3369 mSDsluCounter, 3398 mSDsCounter, 0 mSdLazyCounter, 853 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3371 SdHoareTripleChecker+Valid, 5948 SdHoareTripleChecker+Invalid, 853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 853 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-20 23:58:27,613 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3371 Valid, 5948 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 853 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-20 23:58:27,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9226 states. [2021-11-20 23:58:28,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9226 to 9226. [2021-11-20 23:58:28,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9226 states, 5599 states have (on average 1.2925522414716915) internal successors, (7237), 5838 states have internal predecessors, (7237), 2700 states have call successors, (2700), 923 states have call predecessors, (2700), 904 states have return successors, (3065), 2581 states have call predecessors, (3065), 2698 states have call successors, (3065) [2021-11-20 23:58:28,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9226 states to 9226 states and 13002 transitions. [2021-11-20 23:58:28,270 INFO L78 Accepts]: Start accepts. Automaton has 9226 states and 13002 transitions. Word has length 102 [2021-11-20 23:58:28,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:58:28,271 INFO L470 AbstractCegarLoop]: Abstraction has 9226 states and 13002 transitions. [2021-11-20 23:58:28,271 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-20 23:58:28,271 INFO L276 IsEmpty]: Start isEmpty. Operand 9226 states and 13002 transitions. [2021-11-20 23:58:28,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-20 23:58:28,274 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:58:28,274 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:58:28,274 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-20 23:58:28,275 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_for_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-20 23:58:28,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:58:28,275 INFO L85 PathProgramCache]: Analyzing trace with hash 324828261, now seen corresponding path program 1 times [2021-11-20 23:58:28,275 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:58:28,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598670919] [2021-11-20 23:58:28,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:58:28,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:58:28,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:58:28,478 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-11-20 23:58:28,478 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:58:28,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598670919] [2021-11-20 23:58:28,479 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598670919] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:58:28,479 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:58:28,479 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:58:28,479 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952091345] [2021-11-20 23:58:28,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:58:28,480 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:58:28,480 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:58:28,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:58:28,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:58:28,481 INFO L87 Difference]: Start difference. First operand 9226 states and 13002 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-20 23:58:30,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:58:30,180 INFO L93 Difference]: Finished difference Result 9226 states and 13002 transitions. [2021-11-20 23:58:30,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:58:30,180 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 117 [2021-11-20 23:58:30,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:58:30,223 INFO L225 Difference]: With dead ends: 9226 [2021-11-20 23:58:30,223 INFO L226 Difference]: Without dead ends: 9224 [2021-11-20 23:58:30,230 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 [2021-11-20 23:58:30,230 INFO L933 BasicCegarLoop]: 2971 mSDtfsCounter, 3363 mSDsluCounter, 3384 mSDsCounter, 0 mSdLazyCounter, 852 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3368 SdHoareTripleChecker+Valid, 5933 SdHoareTripleChecker+Invalid, 852 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 852 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-20 23:58:30,231 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3368 Valid, 5933 Invalid, 852 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 852 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-20 23:58:30,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9224 states. [2021-11-20 23:58:30,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9224 to 9224. [2021-11-20 23:58:30,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9224 states, 5598 states have (on average 1.29188996070025) internal successors, (7232), 5836 states have internal predecessors, (7232), 2700 states have call successors, (2700), 923 states have call predecessors, (2700), 904 states have return successors, (3065), 2581 states have call predecessors, (3065), 2698 states have call successors, (3065) [2021-11-20 23:58:30,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9224 states to 9224 states and 12997 transitions. [2021-11-20 23:58:30,895 INFO L78 Accepts]: Start accepts. Automaton has 9224 states and 12997 transitions. Word has length 117 [2021-11-20 23:58:30,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:58:30,896 INFO L470 AbstractCegarLoop]: Abstraction has 9224 states and 12997 transitions. [2021-11-20 23:58:30,896 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-20 23:58:30,896 INFO L276 IsEmpty]: Start isEmpty. Operand 9224 states and 12997 transitions. [2021-11-20 23:58:30,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-20 23:58:30,902 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:58:30,902 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, 1, 1, 1] [2021-11-20 23:58:30,902 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-20 23:58:30,902 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-20 23:58:30,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:58:30,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1479914485, now seen corresponding path program 1 times [2021-11-20 23:58:30,903 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:58:30,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284138501] [2021-11-20 23:58:30,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:58:30,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:58:30,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:58:31,074 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-20 23:58:31,074 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:58:31,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284138501] [2021-11-20 23:58:31,074 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284138501] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:58:31,075 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:58:31,075 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:58:31,075 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267552761] [2021-11-20 23:58:31,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:58:31,076 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:58:31,076 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:58:31,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:58:31,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:58:31,077 INFO L87 Difference]: Start difference. First operand 9224 states and 12997 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (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) [2021-11-20 23:58:34,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:58:34,228 INFO L93 Difference]: Finished difference Result 18048 states and 25966 transitions. [2021-11-20 23:58:34,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 23:58:34,228 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (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 107 [2021-11-20 23:58:34,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:58:34,309 INFO L225 Difference]: With dead ends: 18048 [2021-11-20 23:58:34,310 INFO L226 Difference]: Without dead ends: 18046 [2021-11-20 23:58:34,324 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 [2021-11-20 23:58:34,325 INFO L933 BasicCegarLoop]: 3759 mSDtfsCounter, 3219 mSDsluCounter, 7622 mSDsCounter, 0 mSdLazyCounter, 1291 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3221 SdHoareTripleChecker+Valid, 10532 SdHoareTripleChecker+Invalid, 1292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-20 23:58:34,326 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3221 Valid, 10532 Invalid, 1292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1291 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-20 23:58:34,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18046 states. [2021-11-20 23:58:35,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18046 to 17881. [2021-11-20 23:58:35,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17881 states, 10840 states have (on average 1.2935424354243543) internal successors, (14022), 11314 states have internal predecessors, (14022), 5239 states have call successors, (5239), 1821 states have call predecessors, (5239), 1780 states have return successors, (6516), 4978 states have call predecessors, (6516), 5237 states have call successors, (6516) [2021-11-20 23:58:35,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17881 states to 17881 states and 25777 transitions. [2021-11-20 23:58:35,555 INFO L78 Accepts]: Start accepts. Automaton has 17881 states and 25777 transitions. Word has length 107 [2021-11-20 23:58:35,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:58:35,556 INFO L470 AbstractCegarLoop]: Abstraction has 17881 states and 25777 transitions. [2021-11-20 23:58:35,556 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (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) [2021-11-20 23:58:35,556 INFO L276 IsEmpty]: Start isEmpty. Operand 17881 states and 25777 transitions. [2021-11-20 23:58:35,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-20 23:58:35,560 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:58:35,560 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:58:35,560 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-20 23:58:35,561 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_for_read_sectionErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-20 23:58:35,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:58:35,561 INFO L85 PathProgramCache]: Analyzing trace with hash -1365821878, now seen corresponding path program 1 times [2021-11-20 23:58:35,561 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:58:35,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602969684] [2021-11-20 23:58:35,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:58:35,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:58:35,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:58:35,760 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-11-20 23:58:35,760 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:58:35,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602969684] [2021-11-20 23:58:35,761 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602969684] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:58:35,761 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:58:35,761 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:58:35,761 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298344706] [2021-11-20 23:58:35,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:58:35,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:58:35,764 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:58:35,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:58:35,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:58:35,764 INFO L87 Difference]: Start difference. First operand 17881 states and 25777 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-20 23:58:37,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:58:37,799 INFO L93 Difference]: Finished difference Result 17881 states and 25777 transitions. [2021-11-20 23:58:37,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:58:37,800 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 119 [2021-11-20 23:58:37,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:58:37,859 INFO L225 Difference]: With dead ends: 17881 [2021-11-20 23:58:37,860 INFO L226 Difference]: Without dead ends: 17879 [2021-11-20 23:58:37,868 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 [2021-11-20 23:58:37,869 INFO L933 BasicCegarLoop]: 2970 mSDtfsCounter, 3355 mSDsluCounter, 3386 mSDsCounter, 0 mSdLazyCounter, 851 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3360 SdHoareTripleChecker+Valid, 5934 SdHoareTripleChecker+Invalid, 851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 851 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-20 23:58:37,870 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3360 Valid, 5934 Invalid, 851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 851 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-20 23:58:37,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17879 states. [2021-11-20 23:58:38,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17879 to 17879. [2021-11-20 23:58:38,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17879 states, 10839 states have (on average 1.292831442014946) internal successors, (14013), 11312 states have internal predecessors, (14013), 5239 states have call successors, (5239), 1821 states have call predecessors, (5239), 1780 states have return successors, (6516), 4978 states have call predecessors, (6516), 5237 states have call successors, (6516) [2021-11-20 23:58:39,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17879 states to 17879 states and 25768 transitions. [2021-11-20 23:58:39,075 INFO L78 Accepts]: Start accepts. Automaton has 17879 states and 25768 transitions. Word has length 119 [2021-11-20 23:58:39,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:58:39,076 INFO L470 AbstractCegarLoop]: Abstraction has 17879 states and 25768 transitions. [2021-11-20 23:58:39,076 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, (21), 2 states have call predecessors, (21), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-20 23:58:39,076 INFO L276 IsEmpty]: Start isEmpty. Operand 17879 states and 25768 transitions. [2021-11-20 23:58:39,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-20 23:58:39,079 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:58:39,079 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:58:39,080 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-20 23:58:39,080 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_check_for_read_sectionErr2ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-20 23:58:39,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:58:39,080 INFO L85 PathProgramCache]: Analyzing trace with hash 1712256698, now seen corresponding path program 1 times [2021-11-20 23:58:39,081 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:58:39,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473024422] [2021-11-20 23:58:39,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:58:39,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:58:39,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:58:39,281 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-11-20 23:58:39,282 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:58:39,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473024422] [2021-11-20 23:58:39,282 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473024422] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:58:39,282 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:58:39,282 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:58:39,282 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340621240] [2021-11-20 23:58:39,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:58:39,283 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:58:39,283 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:58:39,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:58:39,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:58:39,284 INFO L87 Difference]: Start difference. First operand 17879 states and 25768 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-20 23:58:43,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:58:43,297 INFO L93 Difference]: Finished difference Result 18042 states and 25953 transitions. [2021-11-20 23:58:43,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 23:58:43,298 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 121 [2021-11-20 23:58:43,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:58:43,366 INFO L225 Difference]: With dead ends: 18042 [2021-11-20 23:58:43,366 INFO L226 Difference]: Without dead ends: 18040 [2021-11-20 23:58:43,374 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:58:43,375 INFO L933 BasicCegarLoop]: 3763 mSDtfsCounter, 3204 mSDsluCounter, 7620 mSDsCounter, 0 mSdLazyCounter, 1290 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3209 SdHoareTripleChecker+Valid, 10535 SdHoareTripleChecker+Invalid, 1291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-11-20 23:58:43,376 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3209 Valid, 10535 Invalid, 1291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1290 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2021-11-20 23:58:43,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18040 states. [2021-11-20 23:58:44,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18040 to 17879. [2021-11-20 23:58:44,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17879 states, 10839 states have (on average 1.2924624042808377) internal successors, (14009), 11312 states have internal predecessors, (14009), 5239 states have call successors, (5239), 1821 states have call predecessors, (5239), 1780 states have return successors, (6516), 4978 states have call predecessors, (6516), 5237 states have call successors, (6516) [2021-11-20 23:58:44,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17879 states to 17879 states and 25764 transitions. [2021-11-20 23:58:44,624 INFO L78 Accepts]: Start accepts. Automaton has 17879 states and 25764 transitions. Word has length 121 [2021-11-20 23:58:44,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:58:44,624 INFO L470 AbstractCegarLoop]: Abstraction has 17879 states and 25764 transitions. [2021-11-20 23:58:44,625 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-20 23:58:44,625 INFO L276 IsEmpty]: Start isEmpty. Operand 17879 states and 25764 transitions. [2021-11-20 23:58:44,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-20 23:58:44,628 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:58:44,628 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:58:44,628 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-20 23:58:44,628 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-20 23:58:44,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:58:44,629 INFO L85 PathProgramCache]: Analyzing trace with hash -2062808112, now seen corresponding path program 1 times [2021-11-20 23:58:44,629 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:58:44,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468478299] [2021-11-20 23:58:44,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:58:44,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:58:44,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:58:44,800 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-20 23:58:44,800 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:58:44,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468478299] [2021-11-20 23:58:44,801 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468478299] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:58:44,801 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:58:44,801 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:58:44,801 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723202240] [2021-11-20 23:58:44,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:58:44,802 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:58:44,802 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:58:44,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:58:44,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:58:44,803 INFO L87 Difference]: Start difference. First operand 17879 states and 25764 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (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) [2021-11-20 23:58:47,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:58:47,265 INFO L93 Difference]: Finished difference Result 17879 states and 25764 transitions. [2021-11-20 23:58:47,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:58:47,266 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 112 [2021-11-20 23:58:47,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:58:47,318 INFO L225 Difference]: With dead ends: 17879 [2021-11-20 23:58:47,319 INFO L226 Difference]: Without dead ends: 17877 [2021-11-20 23:58:47,326 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 [2021-11-20 23:58:47,327 INFO L933 BasicCegarLoop]: 2968 mSDtfsCounter, 3361 mSDsluCounter, 3392 mSDsCounter, 0 mSdLazyCounter, 853 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3363 SdHoareTripleChecker+Valid, 5936 SdHoareTripleChecker+Invalid, 853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 853 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-20 23:58:47,327 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3363 Valid, 5936 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 853 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-20 23:58:47,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17877 states. [2021-11-20 23:58:48,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17877 to 17877. [2021-11-20 23:58:48,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17877 states, 10838 states have (on average 1.2923048532939656) internal successors, (14006), 11310 states have internal predecessors, (14006), 5239 states have call successors, (5239), 1821 states have call predecessors, (5239), 1780 states have return successors, (6516), 4978 states have call predecessors, (6516), 5237 states have call successors, (6516) [2021-11-20 23:58:48,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17877 states to 17877 states and 25761 transitions. [2021-11-20 23:58:48,496 INFO L78 Accepts]: Start accepts. Automaton has 17877 states and 25761 transitions. Word has length 112 [2021-11-20 23:58:48,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:58:48,497 INFO L470 AbstractCegarLoop]: Abstraction has 17877 states and 25761 transitions. [2021-11-20 23:58:48,497 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (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) [2021-11-20 23:58:48,497 INFO L276 IsEmpty]: Start isEmpty. Operand 17877 states and 25761 transitions. [2021-11-20 23:58:48,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-20 23:58:48,500 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:58:48,500 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:58:48,500 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-20 23:58:48,501 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_check_for_read_sectionErr3ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-20 23:58:48,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:58:48,501 INFO L85 PathProgramCache]: Analyzing trace with hash 513263234, now seen corresponding path program 1 times [2021-11-20 23:58:48,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:58:48,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82089628] [2021-11-20 23:58:48,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:58:48,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:58:48,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:58:48,706 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-11-20 23:58:48,706 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:58:48,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82089628] [2021-11-20 23:58:48,707 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82089628] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:58:48,707 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:58:48,707 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:58:48,707 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902844859] [2021-11-20 23:58:48,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:58:48,708 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:58:48,708 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:58:48,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:58:48,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:58:48,709 INFO L87 Difference]: Start difference. First operand 17877 states and 25761 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-20 23:58:51,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:58:51,149 INFO L93 Difference]: Finished difference Result 17877 states and 25761 transitions. [2021-11-20 23:58:51,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:58:51,150 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 123 [2021-11-20 23:58:51,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:58:51,212 INFO L225 Difference]: With dead ends: 17877 [2021-11-20 23:58:51,212 INFO L226 Difference]: Without dead ends: 17875 [2021-11-20 23:58:51,220 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 [2021-11-20 23:58:51,221 INFO L933 BasicCegarLoop]: 2966 mSDtfsCounter, 3339 mSDsluCounter, 3390 mSDsCounter, 0 mSdLazyCounter, 853 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3344 SdHoareTripleChecker+Valid, 5932 SdHoareTripleChecker+Invalid, 853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 853 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-20 23:58:51,222 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3344 Valid, 5932 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 853 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-20 23:58:51,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17875 states. [2021-11-20 23:58:52,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17875 to 17875. [2021-11-20 23:58:52,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17875 states, 10837 states have (on average 1.291593614468949) internal successors, (13997), 11308 states have internal predecessors, (13997), 5239 states have call successors, (5239), 1821 states have call predecessors, (5239), 1780 states have return successors, (6516), 4978 states have call predecessors, (6516), 5237 states have call successors, (6516) [2021-11-20 23:58:52,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17875 states to 17875 states and 25752 transitions. [2021-11-20 23:58:52,505 INFO L78 Accepts]: Start accepts. Automaton has 17875 states and 25752 transitions. Word has length 123 [2021-11-20 23:58:52,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:58:52,506 INFO L470 AbstractCegarLoop]: Abstraction has 17875 states and 25752 transitions. [2021-11-20 23:58:52,506 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-20 23:58:52,506 INFO L276 IsEmpty]: Start isEmpty. Operand 17875 states and 25752 transitions. [2021-11-20 23:58:52,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-11-20 23:58:52,513 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:58:52,513 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:58:52,513 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-20 23:58:52,514 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-20 23:58:52,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:58:52,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1637875136, now seen corresponding path program 1 times [2021-11-20 23:58:52,514 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:58:52,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668676351] [2021-11-20 23:58:52,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:58:52,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:58:52,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:58:52,756 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2021-11-20 23:58:52,756 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:58:52,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668676351] [2021-11-20 23:58:52,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668676351] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:58:52,757 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:58:52,757 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 23:58:52,757 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352263485] [2021-11-20 23:58:52,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:58:52,758 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 23:58:52,758 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:58:52,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 23:58:52,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:58:52,759 INFO L87 Difference]: Start difference. First operand 17875 states and 25752 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2021-11-20 23:58:56,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:58:56,339 INFO L93 Difference]: Finished difference Result 35748 states and 53113 transitions. [2021-11-20 23:58:56,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 23:58:56,339 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) Word has length 142 [2021-11-20 23:58:56,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:58:56,413 INFO L225 Difference]: With dead ends: 35748 [2021-11-20 23:58:56,413 INFO L226 Difference]: Without dead ends: 17887 [2021-11-20 23:58:56,520 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:58:56,521 INFO L933 BasicCegarLoop]: 2966 mSDtfsCounter, 2 mSDsluCounter, 10168 mSDsCounter, 0 mSdLazyCounter, 1717 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11857 SdHoareTripleChecker+Invalid, 1718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1717 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-20 23:58:56,521 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 11857 Invalid, 1718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1717 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-20 23:58:56,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17887 states. [2021-11-20 23:58:57,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17887 to 17887. [2021-11-20 23:58:57,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17887 states, 10845 states have (on average 1.290640848317197) internal successors, (13997), 11324 states have internal predecessors, (13997), 5231 states have call successors, (5231), 1821 states have call predecessors, (5231), 1792 states have return successors, (6536), 4974 states have call predecessors, (6536), 5229 states have call successors, (6536) [2021-11-20 23:58:57,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17887 states to 17887 states and 25764 transitions. [2021-11-20 23:58:57,919 INFO L78 Accepts]: Start accepts. Automaton has 17887 states and 25764 transitions. Word has length 142 [2021-11-20 23:58:57,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:58:57,920 INFO L470 AbstractCegarLoop]: Abstraction has 17887 states and 25764 transitions. [2021-11-20 23:58:57,920 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2021-11-20 23:58:57,921 INFO L276 IsEmpty]: Start isEmpty. Operand 17887 states and 25764 transitions. [2021-11-20 23:58:57,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-20 23:58:57,925 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:58:57,925 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:58:57,925 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-20 23:58:57,926 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-20 23:58:57,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:58:57,926 INFO L85 PathProgramCache]: Analyzing trace with hash 1305491188, now seen corresponding path program 1 times [2021-11-20 23:58:57,927 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:58:57,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113725017] [2021-11-20 23:58:57,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:58:57,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:58:58,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:58:58,156 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-20 23:58:58,156 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:58:58,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113725017] [2021-11-20 23:58:58,156 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113725017] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:58:58,156 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:58:58,157 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:58:58,157 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91749606] [2021-11-20 23:58:58,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:58:58,158 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:58:58,158 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:58:58,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:58:58,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:58:58,158 INFO L87 Difference]: Start difference. First operand 17887 states and 25764 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-20 23:59:00,826 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:59:02,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:59:02,429 INFO L93 Difference]: Finished difference Result 17887 states and 25764 transitions. [2021-11-20 23:59:02,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:59:02,430 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 117 [2021-11-20 23:59:02,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:59:02,492 INFO L225 Difference]: With dead ends: 17887 [2021-11-20 23:59:02,492 INFO L226 Difference]: Without dead ends: 17885 [2021-11-20 23:59:02,501 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 [2021-11-20 23:59:02,502 INFO L933 BasicCegarLoop]: 2964 mSDtfsCounter, 3356 mSDsluCounter, 3389 mSDsCounter, 0 mSdLazyCounter, 853 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3358 SdHoareTripleChecker+Valid, 5928 SdHoareTripleChecker+Invalid, 853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 853 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-11-20 23:59:02,502 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3358 Valid, 5928 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 853 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-11-20 23:59:02,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17885 states. [2021-11-20 23:59:03,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17885 to 17885. [2021-11-20 23:59:03,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17885 states, 10844 states have (on average 1.2904832165252673) internal successors, (13994), 11322 states have internal predecessors, (13994), 5231 states have call successors, (5231), 1821 states have call predecessors, (5231), 1792 states have return successors, (6536), 4974 states have call predecessors, (6536), 5229 states have call successors, (6536) [2021-11-20 23:59:03,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17885 states to 17885 states and 25761 transitions. [2021-11-20 23:59:03,904 INFO L78 Accepts]: Start accepts. Automaton has 17885 states and 25761 transitions. Word has length 117 [2021-11-20 23:59:03,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:59:03,905 INFO L470 AbstractCegarLoop]: Abstraction has 17885 states and 25761 transitions. [2021-11-20 23:59:03,905 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-20 23:59:03,905 INFO L276 IsEmpty]: Start isEmpty. Operand 17885 states and 25761 transitions. [2021-11-20 23:59:03,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-20 23:59:03,910 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:59:03,910 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:59:03,910 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-20 23:59:03,910 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-20 23:59:03,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:59:03,911 INFO L85 PathProgramCache]: Analyzing trace with hash 670706919, now seen corresponding path program 1 times [2021-11-20 23:59:03,911 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:59:03,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94847588] [2021-11-20 23:59:03,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:59:03,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:59:03,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:59:04,127 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-20 23:59:04,127 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:59:04,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94847588] [2021-11-20 23:59:04,128 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94847588] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:59:04,128 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:59:04,128 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:59:04,128 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023904269] [2021-11-20 23:59:04,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:59:04,129 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:59:04,129 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:59:04,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:59:04,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:59:04,130 INFO L87 Difference]: Start difference. First operand 17885 states and 25761 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-20 23:59:07,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:59:07,501 INFO L93 Difference]: Finished difference Result 17885 states and 25761 transitions. [2021-11-20 23:59:07,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:59:07,502 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 122 [2021-11-20 23:59:07,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:59:07,573 INFO L225 Difference]: With dead ends: 17885 [2021-11-20 23:59:07,573 INFO L226 Difference]: Without dead ends: 17883 [2021-11-20 23:59:07,583 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 [2021-11-20 23:59:07,584 INFO L933 BasicCegarLoop]: 2962 mSDtfsCounter, 3353 mSDsluCounter, 3387 mSDsCounter, 0 mSdLazyCounter, 853 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3355 SdHoareTripleChecker+Valid, 5924 SdHoareTripleChecker+Invalid, 853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 853 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-20 23:59:07,584 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3355 Valid, 5924 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 853 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-20 23:59:07,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17883 states. [2021-11-20 23:59:09,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17883 to 17883. [2021-11-20 23:59:09,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17883 states, 10843 states have (on average 1.2903255556580282) internal successors, (13991), 11320 states have internal predecessors, (13991), 5231 states have call successors, (5231), 1821 states have call predecessors, (5231), 1792 states have return successors, (6536), 4974 states have call predecessors, (6536), 5229 states have call successors, (6536) [2021-11-20 23:59:09,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17883 states to 17883 states and 25758 transitions. [2021-11-20 23:59:09,230 INFO L78 Accepts]: Start accepts. Automaton has 17883 states and 25758 transitions. Word has length 122 [2021-11-20 23:59:09,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:59:09,230 INFO L470 AbstractCegarLoop]: Abstraction has 17883 states and 25758 transitions. [2021-11-20 23:59:09,230 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-20 23:59:09,230 INFO L276 IsEmpty]: Start isEmpty. Operand 17883 states and 25758 transitions. [2021-11-20 23:59:09,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-11-20 23:59:09,235 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:59:09,235 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:59:09,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-20 23:59:09,236 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-20 23:59:09,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:59:09,237 INFO L85 PathProgramCache]: Analyzing trace with hash -53301027, now seen corresponding path program 1 times [2021-11-20 23:59:09,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:59:09,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671591775] [2021-11-20 23:59:09,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:59:09,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:59:09,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:59:09,437 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-20 23:59:09,437 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:59:09,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671591775] [2021-11-20 23:59:09,438 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671591775] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:59:09,438 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:59:09,438 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:59:09,438 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733487303] [2021-11-20 23:59:09,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:59:09,439 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:59:09,439 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:59:09,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:59:09,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:59:09,441 INFO L87 Difference]: Start difference. First operand 17883 states and 25758 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-20 23:59:15,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:59:15,705 INFO L93 Difference]: Finished difference Result 53129 states and 83000 transitions. [2021-11-20 23:59:15,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 23:59:15,706 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 127 [2021-11-20 23:59:15,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:59:15,888 INFO L225 Difference]: With dead ends: 53129 [2021-11-20 23:59:15,888 INFO L226 Difference]: Without dead ends: 35260 [2021-11-20 23:59:16,008 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 [2021-11-20 23:59:16,008 INFO L933 BasicCegarLoop]: 3735 mSDtfsCounter, 3342 mSDsluCounter, 7548 mSDsCounter, 0 mSdLazyCounter, 1281 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3344 SdHoareTripleChecker+Valid, 10439 SdHoareTripleChecker+Invalid, 1285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-20 23:59:16,009 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3344 Valid, 10439 Invalid, 1285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1281 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-11-20 23:59:16,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35260 states. [2021-11-20 23:59:18,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35260 to 35185. [2021-11-20 23:59:18,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35185 states, 21353 states have (on average 1.2906383178007774) internal successors, (27559), 22298 states have internal predecessors, (27559), 10277 states have call successors, (10277), 3603 states have call predecessors, (10277), 3538 states have return successors, (16111), 9748 states have call predecessors, (16111), 10275 states have call successors, (16111) [2021-11-20 23:59:18,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35185 states to 35185 states and 53947 transitions. [2021-11-20 23:59:18,913 INFO L78 Accepts]: Start accepts. Automaton has 35185 states and 53947 transitions. Word has length 127 [2021-11-20 23:59:18,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:59:18,913 INFO L470 AbstractCegarLoop]: Abstraction has 35185 states and 53947 transitions. [2021-11-20 23:59:18,913 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-20 23:59:18,914 INFO L276 IsEmpty]: Start isEmpty. Operand 35185 states and 53947 transitions. [2021-11-20 23:59:18,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-20 23:59:18,917 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:59:18,917 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:59:18,917 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-11-20 23:59:18,918 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-20 23:59:18,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:59:18,918 INFO L85 PathProgramCache]: Analyzing trace with hash -775569460, now seen corresponding path program 1 times [2021-11-20 23:59:18,918 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:59:18,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561886438] [2021-11-20 23:59:18,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:59:18,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:59:19,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:59:19,192 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2021-11-20 23:59:19,193 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:59:19,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561886438] [2021-11-20 23:59:19,193 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561886438] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:59:19,193 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:59:19,193 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 23:59:19,194 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931600005] [2021-11-20 23:59:19,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:59:19,194 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 23:59:19,195 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:59:19,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 23:59:19,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:59:19,195 INFO L87 Difference]: Start difference. First operand 35185 states and 53947 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-20 23:59:24,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:59:24,878 INFO L93 Difference]: Finished difference Result 70372 states and 114196 transitions. [2021-11-20 23:59:24,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 23:59:24,878 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) Word has length 162 [2021-11-20 23:59:24,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:59:25,020 INFO L225 Difference]: With dead ends: 70372 [2021-11-20 23:59:25,020 INFO L226 Difference]: Without dead ends: 35201 [2021-11-20 23:59:25,190 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:59:25,191 INFO L933 BasicCegarLoop]: 2962 mSDtfsCounter, 2 mSDsluCounter, 10157 mSDsCounter, 0 mSdLazyCounter, 1717 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11841 SdHoareTripleChecker+Invalid, 1718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1717 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-20 23:59:25,191 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 11841 Invalid, 1718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1717 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-20 23:59:25,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35201 states. [2021-11-20 23:59:27,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35201 to 35201. [2021-11-20 23:59:27,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35201 states, 21369 states have (on average 1.2896719547007347) internal successors, (27559), 22314 states have internal predecessors, (27559), 10261 states have call successors, (10261), 3603 states have call predecessors, (10261), 3554 states have return successors, (16063), 9748 states have call predecessors, (16063), 10259 states have call successors, (16063)