./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 b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/bin/utaipan-g80aRyZoba/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_bbf8062f-7811-43d6-8e1f-d98348316361/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/bin/utaipan-g80aRyZoba --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 02:47:26,895 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:47:26,898 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:47:26,941 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:47:26,943 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:47:26,947 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:47:26,949 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:47:26,953 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:47:26,955 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:47:26,961 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:47:26,962 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:47:26,964 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:47:26,965 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:47:26,968 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:47:26,970 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:47:26,972 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:47:26,974 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:47:26,975 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:47:26,976 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:47:26,984 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:47:26,985 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:47:26,988 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:47:26,989 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:47:26,990 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:47:27,000 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:47:27,002 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:47:27,002 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:47:27,004 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:47:27,005 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:47:27,006 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:47:27,007 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:47:27,007 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:47:27,011 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:47:27,011 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:47:27,012 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:47:27,013 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:47:27,013 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:47:27,014 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:47:27,014 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:47:27,015 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:47:27,015 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:47:27,016 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 02:47:27,056 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:47:27,056 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:47:27,057 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:47:27,057 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:47:27,058 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:47:27,058 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:47:27,058 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:47:27,058 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:47:27,059 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:47:27,059 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 02:47:27,059 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:47:27,059 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:47:27,060 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 02:47:27,060 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 02:47:27,060 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:47:27,060 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 02:47:27,061 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 02:47:27,061 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 02:47:27,062 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:47:27,062 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 02:47:27,062 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:47:27,062 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 02:47:27,062 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:47:27,063 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 02:47:27,064 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 02:47:27,064 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:47:27,065 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 02:47:27,065 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:47:27,066 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:47:27,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:47:27,067 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:47:27,067 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 02:47:27,067 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:47:27,068 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 02:47:27,068 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 02:47:27,068 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 02:47:27,069 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 02:47:27,069 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:47:27,070 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2e40c074e34eae853879e913dea35acffb5001042b37759d8583ab68da2fb52 [2022-11-22 02:47:27,388 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:47:27,426 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:47:27,429 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:47:27,430 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:47:27,431 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:47:27,433 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i [2022-11-22 02:47:30,563 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:47:31,330 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:47:31,331 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i [2022-11-22 02:47:31,430 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/bin/utaipan-g80aRyZoba/data/352fad2ff/397a4199f8a54f118f55002746a3d56d/FLAGcd9e59971 [2022-11-22 02:47:31,460 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/bin/utaipan-g80aRyZoba/data/352fad2ff/397a4199f8a54f118f55002746a3d56d [2022-11-22 02:47:31,463 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:47:31,466 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:47:31,470 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:47:31,470 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:47:31,474 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:47:31,475 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:47:31" (1/1) ... [2022-11-22 02:47:31,476 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77acf0f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:47:31, skipping insertion in model container [2022-11-22 02:47:31,477 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:47:31" (1/1) ... [2022-11-22 02:47:31,485 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:47:31,702 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:47:38,398 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[552584,552597] [2022-11-22 02:47:38,405 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[552729,552742] [2022-11-22 02:47:38,405 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[552875,552888] [2022-11-22 02:47:38,406 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553040,553053] [2022-11-22 02:47:38,414 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553198,553211] [2022-11-22 02:47:38,421 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553356,553369] [2022-11-22 02:47:38,422 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553514,553527] [2022-11-22 02:47:38,422 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553674,553687] [2022-11-22 02:47:38,423 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553833,553846] [2022-11-22 02:47:38,423 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553972,553985] [2022-11-22 02:47:38,424 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[554114,554127] [2022-11-22 02:47:38,425 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[554263,554276] [2022-11-22 02:47:38,426 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[554402,554415] [2022-11-22 02:47:38,426 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[554557,554570] [2022-11-22 02:47:38,427 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[554717,554730] [2022-11-22 02:47:38,427 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[554868,554881] [2022-11-22 02:47:38,428 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555019,555032] [2022-11-22 02:47:38,428 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555171,555184] [2022-11-22 02:47:38,431 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555320,555333] [2022-11-22 02:47:38,432 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555468,555481] [2022-11-22 02:47:38,432 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555625,555638] [2022-11-22 02:47:38,433 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555774,555787] [2022-11-22 02:47:38,434 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555930,555943] [2022-11-22 02:47:38,435 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556083,556096] [2022-11-22 02:47:38,436 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556229,556242] [2022-11-22 02:47:38,436 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556372,556385] [2022-11-22 02:47:38,437 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556524,556537] [2022-11-22 02:47:38,438 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556670,556683] [2022-11-22 02:47:38,439 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556815,556828] [2022-11-22 02:47:38,439 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556969,556982] [2022-11-22 02:47:38,440 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[557120,557133] [2022-11-22 02:47:38,440 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[557275,557288] [2022-11-22 02:47:38,441 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[557427,557440] [2022-11-22 02:47:38,441 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[557582,557595] [2022-11-22 02:47:38,442 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[557746,557759] [2022-11-22 02:47:38,442 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[557902,557915] [2022-11-22 02:47:38,443 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[558066,558079] [2022-11-22 02:47:38,443 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[558208,558221] [2022-11-22 02:47:38,444 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[558366,558379] [2022-11-22 02:47:38,444 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[558533,558546] [2022-11-22 02:47:38,445 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[558692,558705] [2022-11-22 02:47:38,448 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[558851,558864] [2022-11-22 02:47:38,448 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559000,559013] [2022-11-22 02:47:38,449 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559147,559160] [2022-11-22 02:47:38,449 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559286,559299] [2022-11-22 02:47:38,451 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559449,559462] [2022-11-22 02:47:38,452 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559615,559628] [2022-11-22 02:47:38,453 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559779,559792] [2022-11-22 02:47:38,454 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559944,559957] [2022-11-22 02:47:38,454 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[560109,560122] [2022-11-22 02:47:38,454 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[560275,560288] [2022-11-22 02:47:38,455 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[560440,560453] [2022-11-22 02:47:38,456 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[560607,560620] [2022-11-22 02:47:38,456 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[560767,560780] [2022-11-22 02:47:38,457 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[560929,560942] [2022-11-22 02:47:38,457 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561088,561101] [2022-11-22 02:47:38,458 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561234,561247] [2022-11-22 02:47:38,458 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561377,561390] [2022-11-22 02:47:38,458 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561521,561534] [2022-11-22 02:47:38,459 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561664,561677] [2022-11-22 02:47:38,460 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561808,561821] [2022-11-22 02:47:38,460 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561949,561962] [2022-11-22 02:47:38,461 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[562087,562100] [2022-11-22 02:47:38,462 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[562245,562258] [2022-11-22 02:47:38,463 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[562404,562417] [2022-11-22 02:47:38,464 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[562560,562573] [2022-11-22 02:47:38,465 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[562709,562722] [2022-11-22 02:47:38,465 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[562861,562874] [2022-11-22 02:47:38,466 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563012,563025] [2022-11-22 02:47:38,467 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563161,563174] [2022-11-22 02:47:38,467 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563313,563326] [2022-11-22 02:47:38,468 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563461,563474] [2022-11-22 02:47:38,468 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563614,563627] [2022-11-22 02:47:38,469 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563765,563778] [2022-11-22 02:47:38,469 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563915,563928] [2022-11-22 02:47:38,470 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[564062,564075] [2022-11-22 02:47:38,470 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[564213,564226] [2022-11-22 02:47:38,471 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[564364,564377] [2022-11-22 02:47:38,471 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[564512,564525] [2022-11-22 02:47:38,472 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[564678,564691] [2022-11-22 02:47:38,472 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[564847,564860] [2022-11-22 02:47:38,472 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565014,565027] [2022-11-22 02:47:38,473 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565182,565195] [2022-11-22 02:47:38,473 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565332,565345] [2022-11-22 02:47:38,475 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565479,565492] [2022-11-22 02:47:38,475 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565640,565653] [2022-11-22 02:47:38,476 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565810,565823] [2022-11-22 02:47:38,476 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565972,565985] [2022-11-22 02:47:38,493 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:47:38,583 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 02:47:39,216 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[552584,552597] [2022-11-22 02:47:39,216 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[552729,552742] [2022-11-22 02:47:39,217 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[552875,552888] [2022-11-22 02:47:39,217 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553040,553053] [2022-11-22 02:47:39,217 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553198,553211] [2022-11-22 02:47:39,218 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553356,553369] [2022-11-22 02:47:39,218 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553514,553527] [2022-11-22 02:47:39,219 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553674,553687] [2022-11-22 02:47:39,219 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553833,553846] [2022-11-22 02:47:39,220 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553972,553985] [2022-11-22 02:47:39,220 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[554114,554127] [2022-11-22 02:47:39,220 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[554263,554276] [2022-11-22 02:47:39,221 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[554402,554415] [2022-11-22 02:47:39,221 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[554557,554570] [2022-11-22 02:47:39,222 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[554717,554730] [2022-11-22 02:47:39,222 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[554868,554881] [2022-11-22 02:47:39,222 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555019,555032] [2022-11-22 02:47:39,223 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555171,555184] [2022-11-22 02:47:39,224 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555320,555333] [2022-11-22 02:47:39,225 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555468,555481] [2022-11-22 02:47:39,225 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555625,555638] [2022-11-22 02:47:39,226 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555774,555787] [2022-11-22 02:47:39,226 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555930,555943] [2022-11-22 02:47:39,227 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556083,556096] [2022-11-22 02:47:39,228 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556229,556242] [2022-11-22 02:47:39,228 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556372,556385] [2022-11-22 02:47:39,229 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556524,556537] [2022-11-22 02:47:39,229 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556670,556683] [2022-11-22 02:47:39,230 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556815,556828] [2022-11-22 02:47:39,230 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556969,556982] [2022-11-22 02:47:39,230 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[557120,557133] [2022-11-22 02:47:39,231 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[557275,557288] [2022-11-22 02:47:39,231 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[557427,557440] [2022-11-22 02:47:39,232 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[557582,557595] [2022-11-22 02:47:39,232 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[557746,557759] [2022-11-22 02:47:39,232 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[557902,557915] [2022-11-22 02:47:39,233 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[558066,558079] [2022-11-22 02:47:39,233 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[558208,558221] [2022-11-22 02:47:39,234 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[558366,558379] [2022-11-22 02:47:39,234 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[558533,558546] [2022-11-22 02:47:39,235 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[558692,558705] [2022-11-22 02:47:39,235 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[558851,558864] [2022-11-22 02:47:39,235 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559000,559013] [2022-11-22 02:47:39,236 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559147,559160] [2022-11-22 02:47:39,236 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559286,559299] [2022-11-22 02:47:39,237 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559449,559462] [2022-11-22 02:47:39,237 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559615,559628] [2022-11-22 02:47:39,238 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559779,559792] [2022-11-22 02:47:39,238 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559944,559957] [2022-11-22 02:47:39,238 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[560109,560122] [2022-11-22 02:47:39,239 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[560275,560288] [2022-11-22 02:47:39,239 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[560440,560453] [2022-11-22 02:47:39,240 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[560607,560620] [2022-11-22 02:47:39,240 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[560767,560780] [2022-11-22 02:47:39,241 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[560929,560942] [2022-11-22 02:47:39,241 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561088,561101] [2022-11-22 02:47:39,242 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561234,561247] [2022-11-22 02:47:39,242 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561377,561390] [2022-11-22 02:47:39,242 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561521,561534] [2022-11-22 02:47:39,243 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561664,561677] [2022-11-22 02:47:39,243 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561808,561821] [2022-11-22 02:47:39,244 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561949,561962] [2022-11-22 02:47:39,244 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[562087,562100] [2022-11-22 02:47:39,245 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[562245,562258] [2022-11-22 02:47:39,245 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[562404,562417] [2022-11-22 02:47:39,245 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[562560,562573] [2022-11-22 02:47:39,288 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[562709,562722] [2022-11-22 02:47:39,288 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[562861,562874] [2022-11-22 02:47:39,289 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563012,563025] [2022-11-22 02:47:39,289 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563161,563174] [2022-11-22 02:47:39,290 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563313,563326] [2022-11-22 02:47:39,290 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563461,563474] [2022-11-22 02:47:39,290 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563614,563627] [2022-11-22 02:47:39,291 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563765,563778] [2022-11-22 02:47:39,291 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563915,563928] [2022-11-22 02:47:39,292 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[564062,564075] [2022-11-22 02:47:39,292 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[564213,564226] [2022-11-22 02:47:39,292 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[564364,564377] [2022-11-22 02:47:39,293 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[564512,564525] [2022-11-22 02:47:39,293 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[564678,564691] [2022-11-22 02:47:39,294 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[564847,564860] [2022-11-22 02:47:39,294 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565014,565027] [2022-11-22 02:47:39,294 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565182,565195] [2022-11-22 02:47:39,295 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565332,565345] [2022-11-22 02:47:39,295 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565479,565492] [2022-11-22 02:47:39,295 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565640,565653] [2022-11-22 02:47:39,296 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565810,565823] [2022-11-22 02:47:39,296 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565972,565985] [2022-11-22 02:47:39,305 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:47:39,911 INFO L208 MainTranslator]: Completed translation [2022-11-22 02:47:39,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:47:39 WrapperNode [2022-11-22 02:47:39,912 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:47:39,913 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 02:47:39,913 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 02:47:39,913 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 02:47:39,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:47:39" (1/1) ... [2022-11-22 02:47:40,087 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:47:39" (1/1) ... [2022-11-22 02:47:40,413 INFO L138 Inliner]: procedures = 918, calls = 3174, calls flagged for inlining = 418, calls inlined = 342, statements flattened = 8005 [2022-11-22 02:47:40,414 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 02:47:40,415 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 02:47:40,416 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 02:47:40,416 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 02:47:40,426 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:47:39" (1/1) ... [2022-11-22 02:47:40,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:47:39" (1/1) ... [2022-11-22 02:47:40,461 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:47:39" (1/1) ... [2022-11-22 02:47:40,462 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:47:39" (1/1) ... [2022-11-22 02:47:40,592 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:47:39" (1/1) ... [2022-11-22 02:47:40,629 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:47:39" (1/1) ... [2022-11-22 02:47:40,690 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:47:39" (1/1) ... [2022-11-22 02:47:40,725 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:47:39" (1/1) ... [2022-11-22 02:47:40,779 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 02:47:40,780 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 02:47:40,780 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 02:47:40,781 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 02:47:40,782 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:47:39" (1/1) ... [2022-11-22 02:47:40,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:47:40,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:47:40,826 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 02:47:40,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf8062f-7811-43d6-8e1f-d98348316361/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 02:47:40,878 INFO L130 BoogieDeclarations]: Found specification of procedure nla_get_u32 [2022-11-22 02:47:40,879 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_get_u32 [2022-11-22 02:47:40,879 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_total_size [2022-11-22 02:47:40,879 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_total_size [2022-11-22 02:47:40,879 INFO L130 BoogieDeclarations]: Found specification of procedure team_mode_option_get [2022-11-22 02:47:40,879 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mode_option_get [2022-11-22 02:47:40,880 INFO L130 BoogieDeclarations]: Found specification of procedure __team_change_mode [2022-11-22 02:47:40,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_change_mode [2022-11-22 02:47:40,880 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_u32 [2022-11-22 02:47:40,880 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_u32 [2022-11-22 02:47:40,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_131 [2022-11-22 02:47:40,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_131 [2022-11-22 02:47:40,881 INFO L130 BoogieDeclarations]: Found specification of procedure team_init [2022-11-22 02:47:40,881 INFO L138 BoogieDeclarations]: Found implementation of procedure team_init [2022-11-22 02:47:40,881 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers_interval_set [2022-11-22 02:47:40,881 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers_interval_set [2022-11-22 02:47:40,881 INFO L130 BoogieDeclarations]: Found specification of procedure team_del_slave [2022-11-22 02:47:40,881 INFO L138 BoogieDeclarations]: Found implementation of procedure team_del_slave [2022-11-22 02:47:40,882 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_if_positive [2022-11-22 02:47:40,882 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_if_positive [2022-11-22 02:47:40,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-22 02:47:40,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-22 02:47:40,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-22 02:47:40,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-22 02:47:40,882 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-11-22 02:47:40,883 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-11-22 02:47:40,883 INFO L130 BoogieDeclarations]: Found specification of procedure free_percpu [2022-11-22 02:47:40,883 INFO L138 BoogieDeclarations]: Found implementation of procedure free_percpu [2022-11-22 02:47:40,883 INFO L130 BoogieDeclarations]: Found specification of procedure team_priority_option_get [2022-11-22 02:47:40,883 INFO L138 BoogieDeclarations]: Found implementation of procedure team_priority_option_get [2022-11-22 02:47:40,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_net_rtnetlink__double_lock [2022-11-22 02:47:40,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_net_rtnetlink__double_lock [2022-11-22 02:47:40,884 INFO L130 BoogieDeclarations]: Found specification of procedure team_queue_override_fini [2022-11-22 02:47:40,884 INFO L138 BoogieDeclarations]: Found implementation of procedure team_queue_override_fini [2022-11-22 02:47:40,884 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-22 02:47:40,884 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-22 02:47:40,885 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_get_rtnl [2022-11-22 02:47:40,885 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_get_rtnl [2022-11-22 02:47:40,885 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-11-22 02:47:40,885 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-11-22 02:47:40,885 INFO L130 BoogieDeclarations]: Found specification of procedure team_set_mac_address [2022-11-22 02:47:40,885 INFO L138 BoogieDeclarations]: Found implementation of procedure team_set_mac_address [2022-11-22 02:47:40,885 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers_count_set [2022-11-22 02:47:40,886 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers_count_set [2022-11-22 02:47:40,886 INFO L130 BoogieDeclarations]: Found specification of procedure team_add_slave [2022-11-22 02:47:40,886 INFO L138 BoogieDeclarations]: Found implementation of procedure team_add_slave [2022-11-22 02:47:40,886 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2022-11-22 02:47:40,886 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2022-11-22 02:47:40,886 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_del_option [2022-11-22 02:47:40,887 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_del_option [2022-11-22 02:47:40,887 INFO L130 BoogieDeclarations]: Found specification of procedure team_mode_put [2022-11-22 02:47:40,887 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mode_put [2022-11-22 02:47:40,887 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-22 02:47:40,888 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-22 02:47:40,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-22 02:47:40,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-22 02:47:40,888 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_new [2022-11-22 02:47:40,888 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_new [2022-11-22 02:47:40,888 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers [2022-11-22 02:47:40,889 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers [2022-11-22 02:47:40,889 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_del_rcu [2022-11-22 02:47:40,889 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_del_rcu [2022-11-22 02:47:40,889 INFO L130 BoogieDeclarations]: Found specification of procedure __team_netpoll_cleanup [2022-11-22 02:47:40,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_netpoll_cleanup [2022-11-22 02:47:40,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-22 02:47:40,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-22 02:47:40,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-22 02:47:40,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-22 02:47:40,894 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_u8 [2022-11-22 02:47:40,894 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_u8 [2022-11-22 02:47:40,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 02:47:40,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-22 02:47:40,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-22 02:47:40,894 INFO L130 BoogieDeclarations]: Found specification of procedure __find_mode [2022-11-22 02:47:40,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_mode [2022-11-22 02:47:40,902 INFO L130 BoogieDeclarations]: Found specification of procedure team_ethtool_get_drvinfo [2022-11-22 02:47:40,902 INFO L138 BoogieDeclarations]: Found implementation of procedure team_ethtool_get_drvinfo [2022-11-22 02:47:40,902 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2022-11-22 02:47:40,903 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2022-11-22 02:47:40,903 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_put [2022-11-22 02:47:40,903 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_put [2022-11-22 02:47:40,903 INFO L130 BoogieDeclarations]: Found specification of procedure team_set_rx_mode [2022-11-22 02:47:40,903 INFO L138 BoogieDeclarations]: Found implementation of procedure team_set_rx_mode [2022-11-22 02:47:40,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-22 02:47:40,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-22 02:47:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-11-22 02:47:40,904 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-11-22 02:47:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 02:47:40,904 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-22 02:47:40,904 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-22 02:47:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 02:47:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-22 02:47:40,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-22 02:47:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 02:47:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-22 02:47:40,905 INFO L130 BoogieDeclarations]: Found specification of procedure team_user_linkup_en_option_get [2022-11-22 02:47:40,905 INFO L138 BoogieDeclarations]: Found implementation of procedure team_user_linkup_en_option_get [2022-11-22 02:47:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_en_option_set [2022-11-22 02:47:40,906 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_en_option_set [2022-11-22 02:47:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_48 [2022-11-22 02:47:40,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_48 [2022-11-22 02:47:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_options_set [2022-11-22 02:47:40,906 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_options_set [2022-11-22 02:47:40,906 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-22 02:47:40,907 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-22 02:47:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure team_queue_id_option_get [2022-11-22 02:47:40,907 INFO L138 BoogieDeclarations]: Found implementation of procedure team_queue_id_option_get [2022-11-22 02:47:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_del [2022-11-22 02:47:40,907 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_del [2022-11-22 02:47:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2022-11-22 02:47:40,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2022-11-22 02:47:40,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_team [2022-11-22 02:47:40,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_team [2022-11-22 02:47:40,908 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin [2022-11-22 02:47:40,908 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin [2022-11-22 02:47:40,908 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-11-22 02:47:40,909 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-11-22 02:47:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 02:47:40,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 02:47:40,909 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_noop [2022-11-22 02:47:40,910 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_noop [2022-11-22 02:47:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_set_orig_dev_addr [2022-11-22 02:47:40,910 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_set_orig_dev_addr [2022-11-22 02:47:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_fill_one_port_get [2022-11-22 02:47:40,911 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_fill_one_port_get [2022-11-22 02:47:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-22 02:47:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure team_options_register [2022-11-22 02:47:40,911 INFO L138 BoogieDeclarations]: Found implementation of procedure team_options_register [2022-11-22 02:47:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_11 [2022-11-22 02:47:40,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_11 [2022-11-22 02:47:40,912 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-22 02:47:40,912 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-22 02:47:40,912 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_trim [2022-11-22 02:47:40,912 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_trim [2022-11-22 02:47:40,912 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add_option [2022-11-22 02:47:40,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add_option [2022-11-22 02:47:40,912 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-22 02:47:40,913 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_rcu [2022-11-22 02:47:40,913 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_rcu [2022-11-22 02:47:40,913 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_cancel [2022-11-22 02:47:40,913 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_cancel [2022-11-22 02:47:40,913 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_add_head_rcu [2022-11-22 02:47:40,913 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_add_head_rcu [2022-11-22 02:47:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_36 [2022-11-22 02:47:40,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_36 [2022-11-22 02:47:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-22 02:47:40,914 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-22 02:47:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_team_get [2022-11-22 02:47:40,914 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_team_get [2022-11-22 02:47:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_29 [2022-11-22 02:47:40,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_29 [2022-11-22 02:47:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-22 02:47:40,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-22 02:47:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_for_read_section [2022-11-22 02:47:40,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_for_read_section [2022-11-22 02:47:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_en_option_get [2022-11-22 02:47:40,916 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_en_option_get [2022-11-22 02:47:40,916 INFO L130 BoogieDeclarations]: Found specification of procedure nla_len [2022-11-22 02:47:40,916 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_len [2022-11-22 02:47:40,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-22 02:47:40,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-22 02:47:40,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 02:47:40,917 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-22 02:47:40,917 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-22 02:47:40,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-22 02:47:40,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-22 02:47:40,917 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enable_netpoll [2022-11-22 02:47:40,917 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enable_netpoll [2022-11-22 02:47:40,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 02:47:40,918 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail_rcu [2022-11-22 02:47:40,918 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail_rcu [2022-11-22 02:47:40,918 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_options_get [2022-11-22 02:47:40,918 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_options_get [2022-11-22 02:47:40,918 INFO L130 BoogieDeclarations]: Found specification of procedure team_user_linkup_en_option_set [2022-11-22 02:47:40,918 INFO L138 BoogieDeclarations]: Found implementation of procedure team_user_linkup_en_option_set [2022-11-22 02:47:40,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_module_put [2022-11-22 02:47:40,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_module_put [2022-11-22 02:47:40,919 INFO L130 BoogieDeclarations]: Found specification of procedure __team_find_option [2022-11-22 02:47:40,919 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_find_option [2022-11-22 02:47:40,919 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2022-11-22 02:47:40,919 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2022-11-22 02:47:40,919 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-22 02:47:40,920 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-22 02:47:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-22 02:47:40,920 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-22 02:47:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-22 02:47:40,920 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-22 02:47:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_fill_one_option_get [2022-11-22 02:47:40,921 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_fill_one_option_get [2022-11-22 02:47:40,921 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin_interval_set [2022-11-22 02:47:40,921 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin_interval_set [2022-11-22 02:47:40,921 INFO L130 BoogieDeclarations]: Found specification of procedure team_is_mode_set [2022-11-22 02:47:40,925 INFO L138 BoogieDeclarations]: Found implementation of procedure team_is_mode_set [2022-11-22 02:47:40,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-22 02:47:40,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-22 02:47:40,925 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_change_check [2022-11-22 02:47:40,929 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_change_check [2022-11-22 02:47:40,930 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-22 02:47:40,930 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-22 02:47:40,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_rx_handler_register_149 [2022-11-22 02:47:40,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_rx_handler_register_149 [2022-11-22 02:47:40,932 INFO L130 BoogieDeclarations]: Found specification of procedure __team_compute_features [2022-11-22 02:47:40,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_compute_features [2022-11-22 02:47:40,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-22 02:47:40,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-22 02:47:40,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-22 02:47:40,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-22 02:47:40,933 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_leave [2022-11-22 02:47:40,933 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_leave [2022-11-22 02:47:40,933 INFO L130 BoogieDeclarations]: Found specification of procedure __send_and_alloc_skb [2022-11-22 02:47:40,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __send_and_alloc_skb [2022-11-22 02:47:40,934 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-22 02:47:40,934 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-22 02:47:40,934 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2022-11-22 02:47:40,934 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2022-11-22 02:47:40,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-22 02:47:40,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-22 02:47:40,935 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_cancel [2022-11-22 02:47:40,935 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_cancel [2022-11-22 02:47:40,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 02:47:40,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-22 02:47:40,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-22 02:47:40,935 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_options_get [2022-11-22 02:47:40,936 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_options_get [2022-11-22 02:47:40,936 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_increment_features [2022-11-22 02:47:40,936 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_increment_features [2022-11-22 02:47:40,936 INFO L130 BoogieDeclarations]: Found specification of procedure team_open [2022-11-22 02:47:40,936 INFO L138 BoogieDeclarations]: Found implementation of procedure team_open [2022-11-22 02:47:40,936 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add_port [2022-11-22 02:47:40,937 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add_port [2022-11-22 02:47:40,937 INFO L130 BoogieDeclarations]: Found specification of procedure __team_queue_override_port_add [2022-11-22 02:47:40,937 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_queue_override_port_add [2022-11-22 02:47:40,937 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_change_check [2022-11-22 02:47:40,937 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_change_check [2022-11-22 02:47:40,937 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2022-11-22 02:47:40,937 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2022-11-22 02:47:40,938 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put [2022-11-22 02:47:40,938 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put [2022-11-22 02:47:40,938 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers_count_get [2022-11-22 02:47:40,938 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers_count_get [2022-11-22 02:47:40,938 INFO L130 BoogieDeclarations]: Found specification of procedure team_validate [2022-11-22 02:47:40,938 INFO L138 BoogieDeclarations]: Found implementation of procedure team_validate [2022-11-22 02:47:40,939 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_flag [2022-11-22 02:47:40,939 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_flag [2022-11-22 02:47:40,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_past_rtnl_unlock [2022-11-22 02:47:40,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_past_rtnl_unlock [2022-11-22 02:47:40,939 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_disable_netpoll [2022-11-22 02:47:40,939 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_disable_netpoll [2022-11-22 02:47:40,939 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enter [2022-11-22 02:47:40,940 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enter [2022-11-22 02:47:40,940 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-11-22 02:47:40,940 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_string [2022-11-22 02:47:40,940 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_string [2022-11-22 02:47:40,940 INFO L130 BoogieDeclarations]: Found specification of procedure team_close [2022-11-22 02:47:40,940 INFO L138 BoogieDeclarations]: Found implementation of procedure team_close [2022-11-22 02:47:40,941 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add [2022-11-22 02:47:40,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add [2022-11-22 02:47:40,941 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin_count_get [2022-11-22 02:47:40,941 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin_count_get [2022-11-22 02:47:40,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-22 02:47:40,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-22 02:47:40,941 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_port_list_get [2022-11-22 02:47:40,942 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_port_list_get [2022-11-22 02:47:40,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-22 02:47:40,942 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-22 02:47:40,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_130 [2022-11-22 02:47:40,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_130 [2022-11-22 02:47:40,942 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-22 02:47:40,943 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-22 02:47:40,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-22 02:47:40,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-22 02:47:40,943 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_port_list_get [2022-11-22 02:47:40,943 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_port_list_get [2022-11-22 02:47:40,943 INFO L130 BoogieDeclarations]: Found specification of procedure team_option_set [2022-11-22 02:47:40,944 INFO L138 BoogieDeclarations]: Found implementation of procedure team_option_set [2022-11-22 02:47:40,944 INFO L130 BoogieDeclarations]: Found specification of procedure team_netpoll_setup [2022-11-22 02:47:40,944 INFO L138 BoogieDeclarations]: Found implementation of procedure team_netpoll_setup [2022-11-22 02:47:40,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_rtnl_trylock [2022-11-22 02:47:40,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_rtnl_trylock [2022-11-22 02:47:40,944 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-22 02:47:40,944 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-22 02:47:40,945 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-22 02:47:40,945 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-22 02:47:40,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-22 02:47:40,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-22 02:47:40,945 INFO L130 BoogieDeclarations]: Found specification of procedure __team_queue_override_enabled_check [2022-11-22 02:47:40,945 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_queue_override_enabled_check [2022-11-22 02:47:40,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-22 02:47:40,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-22 02:47:40,946 INFO L130 BoogieDeclarations]: Found specification of procedure team_netpoll_cleanup [2022-11-22 02:47:40,946 INFO L138 BoogieDeclarations]: Found implementation of procedure team_netpoll_cleanup [2022-11-22 02:47:40,946 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_mtu [2022-11-22 02:47:40,946 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_mtu [2022-11-22 02:47:40,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-22 02:47:40,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-22 02:47:40,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-22 02:47:40,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-22 02:47:40,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-22 02:47:40,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-22 02:47:40,947 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_add [2022-11-22 02:47:40,947 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_add [2022-11-22 02:47:40,948 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_unicast [2022-11-22 02:47:40,948 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_unicast [2022-11-22 02:47:40,948 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_end [2022-11-22 02:47:40,948 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_end [2022-11-22 02:47:40,948 INFO L130 BoogieDeclarations]: Found specification of procedure team_poll_controller [2022-11-22 02:47:40,948 INFO L138 BoogieDeclarations]: Found implementation of procedure team_poll_controller [2022-11-22 02:47:40,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 02:47:40,949 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_unregister [2022-11-22 02:47:40,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_unregister [2022-11-22 02:47:40,949 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-22 02:47:40,949 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-22 02:47:40,949 INFO L130 BoogieDeclarations]: Found specification of procedure team_queue_id_option_set [2022-11-22 02:47:40,949 INFO L138 BoogieDeclarations]: Found implementation of procedure team_queue_id_option_set [2022-11-22 02:47:40,949 INFO L130 BoogieDeclarations]: Found specification of procedure team_refresh_port_linkup [2022-11-22 02:47:40,950 INFO L138 BoogieDeclarations]: Found implementation of procedure team_refresh_port_linkup [2022-11-22 02:47:40,950 INFO L130 BoogieDeclarations]: Found specification of procedure team_user_linkup_option_set [2022-11-22 02:47:40,950 INFO L138 BoogieDeclarations]: Found implementation of procedure team_user_linkup_option_set [2022-11-22 02:47:40,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_20_2 [2022-11-22 02:47:40,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_20_2 [2022-11-22 02:47:40,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-22 02:47:40,951 INFO L130 BoogieDeclarations]: Found specification of procedure __team_port_change_send [2022-11-22 02:47:40,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_port_change_send [2022-11-22 02:47:40,951 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_end [2022-11-22 02:47:40,951 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_end [2022-11-22 02:47:40,951 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers_interval_get [2022-11-22 02:47:40,951 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers_interval_get [2022-11-22 02:47:40,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-22 02:47:40,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-22 02:47:40,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-22 02:47:40,952 INFO L130 BoogieDeclarations]: Found specification of procedure vlan_vid_del [2022-11-22 02:47:40,952 INFO L138 BoogieDeclarations]: Found implementation of procedure vlan_vid_del [2022-11-22 02:47:40,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-22 02:47:40,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-22 02:47:40,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-22 02:47:40,953 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-22 02:47:40,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-22 02:47:40,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-22 02:47:40,953 INFO L130 BoogieDeclarations]: Found specification of procedure team_mode_option_set [2022-11-22 02:47:40,953 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mode_option_set [2022-11-22 02:47:40,953 INFO L130 BoogieDeclarations]: Found specification of procedure team_change_mode [2022-11-22 02:47:40,954 INFO L138 BoogieDeclarations]: Found implementation of procedure team_change_mode [2022-11-22 02:47:40,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-22 02:47:40,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-22 02:47:40,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_dummy_resourceless_instance_0 [2022-11-22 02:47:40,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_dummy_resourceless_instance_0 [2022-11-22 02:47:40,954 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-22 02:47:40,954 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-22 02:47:40,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-22 02:47:40,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-22 02:47:40,955 INFO L130 BoogieDeclarations]: Found specification of procedure team_setup [2022-11-22 02:47:40,955 INFO L138 BoogieDeclarations]: Found implementation of procedure team_setup [2022-11-22 02:47:40,955 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_index_hash [2022-11-22 02:47:40,955 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_index_hash [2022-11-22 02:47:40,956 INFO L130 BoogieDeclarations]: Found specification of procedure genl_info_net [2022-11-22 02:47:40,956 INFO L138 BoogieDeclarations]: Found implementation of procedure genl_info_net [2022-11-22 02:47:40,956 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers_fini [2022-11-22 02:47:40,956 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers_fini [2022-11-22 02:47:40,956 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-22 02:47:40,956 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-22 02:47:40,957 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_del_port [2022-11-22 02:47:40,957 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_del_port [2022-11-22 02:47:40,957 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-22 02:47:40,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-22 02:47:40,957 INFO L130 BoogieDeclarations]: Found specification of procedure read_pnet [2022-11-22 02:47:40,957 INFO L138 BoogieDeclarations]: Found implementation of procedure read_pnet [2022-11-22 02:47:40,957 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-22 02:47:40,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-22 02:47:40,958 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_disable [2022-11-22 02:47:40,958 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_disable [2022-11-22 02:47:40,958 INFO L130 BoogieDeclarations]: Found specification of procedure team_adjust_ops [2022-11-22 02:47:40,958 INFO L138 BoogieDeclarations]: Found implementation of procedure team_adjust_ops [2022-11-22 02:47:40,958 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_rx_handler_unregister [2022-11-22 02:47:40,958 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_rx_handler_unregister [2022-11-22 02:47:40,959 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-22 02:47:40,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-22 02:47:40,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-22 02:47:40,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-22 02:47:40,959 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-11-22 02:47:40,959 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-11-22 02:47:40,959 INFO L130 BoogieDeclarations]: Found specification of procedure vlan_vids_del_by_dev [2022-11-22 02:47:40,960 INFO L138 BoogieDeclarations]: Found implementation of procedure vlan_vids_del_by_dev [2022-11-22 02:47:40,960 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin_interval_get [2022-11-22 02:47:40,960 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin_interval_get [2022-11-22 02:47:40,960 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-11-22 02:47:40,960 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-11-22 02:47:40,960 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin_fini [2022-11-22 02:47:40,961 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin_fini [2022-11-22 02:47:40,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdevice_notifier [2022-11-22 02:47:40,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdevice_notifier [2022-11-22 02:47:40,961 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_register [2022-11-22 02:47:40,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_register [2022-11-22 02:47:40,961 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2022-11-22 02:47:40,961 INFO L130 BoogieDeclarations]: Found specification of procedure team_options_change_check [2022-11-22 02:47:40,962 INFO L138 BoogieDeclarations]: Found implementation of procedure team_options_change_check [2022-11-22 02:47:40,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-22 02:47:40,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-22 02:47:40,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-22 02:47:40,962 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-22 02:47:40,962 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-22 02:47:40,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-22 02:47:40,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-22 02:47:40,963 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_team_put [2022-11-22 02:47:40,963 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_team_put [2022-11-22 02:47:40,963 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-22 02:47:40,963 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-22 02:47:40,963 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice_notifier [2022-11-22 02:47:40,964 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice_notifier [2022-11-22 02:47:40,964 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_set_team_dev_addr [2022-11-22 02:47:40,964 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_set_team_dev_addr [2022-11-22 02:47:40,964 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2022-11-22 02:47:40,964 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2022-11-22 02:47:40,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_lock_of_team [2022-11-22 02:47:40,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_lock_of_team [2022-11-22 02:47:40,965 INFO L130 BoogieDeclarations]: Found specification of procedure __team_carrier_check [2022-11-22 02:47:40,965 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_carrier_check [2022-11-22 02:47:40,965 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_start [2022-11-22 02:47:40,965 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_start [2022-11-22 02:47:40,965 INFO L130 BoogieDeclarations]: Found specification of procedure dev_net [2022-11-22 02:47:40,965 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_net [2022-11-22 02:47:40,965 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-11-22 02:47:40,966 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-11-22 02:47:40,966 INFO L130 BoogieDeclarations]: Found specification of procedure __team_queue_override_port_del [2022-11-22 02:47:40,966 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_queue_override_port_del [2022-11-22 02:47:40,966 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-22 02:47:40,966 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-22 02:47:40,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 02:47:40,966 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enabled [2022-11-22 02:47:40,967 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enabled [2022-11-22 02:47:40,967 INFO L130 BoogieDeclarations]: Found specification of procedure team_upper_dev_unlink [2022-11-22 02:47:40,967 INFO L138 BoogieDeclarations]: Found implementation of procedure team_upper_dev_unlink [2022-11-22 02:47:40,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-22 02:47:40,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-22 02:47:40,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-22 02:47:40,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-22 02:47:40,968 INFO L130 BoogieDeclarations]: Found specification of procedure call_netdevice_notifiers [2022-11-22 02:47:40,968 INFO L138 BoogieDeclarations]: Found implementation of procedure call_netdevice_notifiers [2022-11-22 02:47:40,968 INFO L130 BoogieDeclarations]: Found specification of procedure dev_put [2022-11-22 02:47:40,968 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_put [2022-11-22 02:47:40,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-22 02:47:40,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-22 02:47:40,968 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin_count_set [2022-11-22 02:47:40,969 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin_count_set [2022-11-22 02:47:40,969 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_put [2022-11-22 02:47:40,969 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_put [2022-11-22 02:47:40,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-22 02:47:40,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-22 02:47:40,969 INFO L130 BoogieDeclarations]: Found specification of procedure __team_get_qom_list [2022-11-22 02:47:40,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_get_qom_list [2022-11-22 02:47:40,970 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-22 02:47:40,970 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-22 02:47:40,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-22 02:47:40,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-22 02:47:40,970 INFO L130 BoogieDeclarations]: Found specification of procedure team_option_get [2022-11-22 02:47:40,970 INFO L138 BoogieDeclarations]: Found implementation of procedure team_option_get [2022-11-22 02:47:40,971 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_del [2022-11-22 02:47:40,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_del [2022-11-22 02:47:40,971 INFO L130 BoogieDeclarations]: Found specification of procedure team_priority_option_set [2022-11-22 02:47:40,971 INFO L138 BoogieDeclarations]: Found implementation of procedure team_priority_option_set [2022-11-22 02:47:40,971 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_link_unregister [2022-11-22 02:47:40,971 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_link_unregister [2022-11-22 02:47:40,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-22 02:47:40,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-22 02:47:40,972 INFO L130 BoogieDeclarations]: Found specification of procedure __set_port_dev_addr [2022-11-22 02:47:40,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_port_dev_addr [2022-11-22 02:47:40,972 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u32~0~TO~int [2022-11-22 02:47:40,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u32~0~TO~int [2022-11-22 02:47:40,972 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-22 02:47:40,972 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-22 02:47:40,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-22 02:47:40,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-22 02:47:40,973 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_free [2022-11-22 02:47:40,973 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_free [2022-11-22 02:47:40,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-22 02:47:40,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-22 02:47:40,973 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-22 02:47:40,974 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-22 02:47:40,974 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enable [2022-11-22 02:47:40,974 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enable [2022-11-22 02:47:40,974 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-22 02:47:40,974 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-22 02:47:40,974 INFO L130 BoogieDeclarations]: Found specification of procedure team_set_no_mode [2022-11-22 02:47:40,974 INFO L138 BoogieDeclarations]: Found implementation of procedure team_set_no_mode [2022-11-22 02:47:40,975 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-22 02:47:40,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-22 02:47:40,975 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-11-22 02:47:40,975 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-11-22 02:47:40,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_rx_handler_unregister [2022-11-22 02:47:40,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_rx_handler_unregister [2022-11-22 02:47:40,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 02:47:40,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_rx_handler_register [2022-11-22 02:47:40,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_rx_handler_register [2022-11-22 02:47:40,976 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-22 02:47:40,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-22 02:47:40,976 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_event_options_get [2022-11-22 02:47:40,976 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_event_options_get [2022-11-22 02:47:40,976 INFO L130 BoogieDeclarations]: Found specification of procedure team_uninit [2022-11-22 02:47:40,977 INFO L138 BoogieDeclarations]: Found implementation of procedure team_uninit [2022-11-22 02:47:40,977 INFO L130 BoogieDeclarations]: Found specification of procedure team_user_linkup_option_get [2022-11-22 02:47:40,977 INFO L138 BoogieDeclarations]: Found implementation of procedure team_user_linkup_option_get [2022-11-22 02:47:40,977 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_skb_cb [2022-11-22 02:47:40,977 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_skb_cb [2022-11-22 02:47:42,435 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 02:47:42,447 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 02:47:42,933 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-22 02:47:49,404 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 02:47:51,484 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 02:47:51,484 INFO L300 CfgBuilder]: Removed 18 assume(true) statements. [2022-11-22 02:47:51,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:47:51 BoogieIcfgContainer [2022-11-22 02:47:51,492 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 02:47:51,495 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 02:47:51,495 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 02:47:51,499 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 02:47:51,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:47:31" (1/3) ... [2022-11-22 02:47:51,501 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74f169dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:47:51, skipping insertion in model container [2022-11-22 02:47:51,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:47:39" (2/3) ... [2022-11-22 02:47:51,503 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74f169dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:47:51, skipping insertion in model container [2022-11-22 02:47:51,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:47:51" (3/3) ... [2022-11-22 02:47:51,505 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--net--team--team.ko.cil.i [2022-11-22 02:47:51,528 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 02:47:51,528 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2022-11-22 02:47:51,655 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 02:47:51,661 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@256d5426, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 02:47:51,661 INFO L358 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2022-11-22 02:47:51,677 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) [2022-11-22 02:47:51,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-22 02:47:51,689 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:47:51,690 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:47:51,691 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-22 02:47:51,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:47:51,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1238333096, now seen corresponding path program 1 times [2022-11-22 02:47:51,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:47:51,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375518521] [2022-11-22 02:47:51,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:47:51,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:47:52,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:47:53,166 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 02:47:53,167 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:47:53,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375518521] [2022-11-22 02:47:53,170 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375518521] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:47:53,171 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:47:53,171 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:47:53,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397727014] [2022-11-22 02:47:53,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:47:53,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:47:53,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:47:53,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:47:53,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:47:53,235 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) [2022-11-22 02:47:55,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:47:55,764 INFO L93 Difference]: Finished difference Result 5076 states and 7202 transitions. [2022-11-22 02:47:55,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:47:55,766 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 [2022-11-22 02:47:55,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:47:55,793 INFO L225 Difference]: With dead ends: 5076 [2022-11-22 02:47:55,793 INFO L226 Difference]: Without dead ends: 2525 [2022-11-22 02:47:55,913 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:47:55,916 INFO L413 NwaCegarLoop]: 3033 mSDtfsCounter, 3439 mSDsluCounter, 3033 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, 2.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:47:55,917 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3441 Valid, 6066 Invalid, 855 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 855 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-22 02:47:55,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2525 states. [2022-11-22 02:47:56,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2525 to 2525. [2022-11-22 02:47:56,231 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) [2022-11-22 02:47:56,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2525 states to 2525 states and 3429 transitions. [2022-11-22 02:47:56,269 INFO L78 Accepts]: Start accepts. Automaton has 2525 states and 3429 transitions. Word has length 50 [2022-11-22 02:47:56,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:47:56,272 INFO L495 AbstractCegarLoop]: Abstraction has 2525 states and 3429 transitions. [2022-11-22 02:47:56,272 INFO L496 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) [2022-11-22 02:47:56,272 INFO L276 IsEmpty]: Start isEmpty. Operand 2525 states and 3429 transitions. [2022-11-22 02:47:56,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-22 02:47:56,283 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:47:56,283 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:47:56,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 02:47:56,285 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-22 02:47:56,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:47:56,286 INFO L85 PathProgramCache]: Analyzing trace with hash 38391922, now seen corresponding path program 1 times [2022-11-22 02:47:56,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:47:56,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687418459] [2022-11-22 02:47:56,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:47:56,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:47:56,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:47:57,057 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 02:47:57,058 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:47:57,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687418459] [2022-11-22 02:47:57,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687418459] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:47:57,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:47:57,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:47:57,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156977777] [2022-11-22 02:47:57,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:47:57,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:47:57,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:47:57,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:47:57,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:47:57,062 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) [2022-11-22 02:47:59,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:47:59,019 INFO L93 Difference]: Finished difference Result 2525 states and 3429 transitions. [2022-11-22 02:47:59,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:47:59,020 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 [2022-11-22 02:47:59,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:47:59,040 INFO L225 Difference]: With dead ends: 2525 [2022-11-22 02:47:59,040 INFO L226 Difference]: Without dead ends: 2523 [2022-11-22 02:47:59,045 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:47:59,049 INFO L413 NwaCegarLoop]: 2999 mSDtfsCounter, 3403 mSDsluCounter, 2999 mSDsCounter, 0 mSdLazyCounter, 853 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s 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, 1.7s IncrementalHoareTripleChecker+Time [2022-11-22 02:47:59,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3405 Valid, 5998 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 853 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-22 02:47:59,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2523 states. [2022-11-22 02:47:59,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2523 to 2523. [2022-11-22 02:47:59,195 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) [2022-11-22 02:47:59,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2523 states to 2523 states and 3427 transitions. [2022-11-22 02:47:59,216 INFO L78 Accepts]: Start accepts. Automaton has 2523 states and 3427 transitions. Word has length 55 [2022-11-22 02:47:59,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:47:59,217 INFO L495 AbstractCegarLoop]: Abstraction has 2523 states and 3427 transitions. [2022-11-22 02:47:59,217 INFO L496 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) [2022-11-22 02:47:59,218 INFO L276 IsEmpty]: Start isEmpty. Operand 2523 states and 3427 transitions. [2022-11-22 02:47:59,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-22 02:47:59,224 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:47:59,224 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:47:59,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 02:47:59,225 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-22 02:47:59,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:47:59,236 INFO L85 PathProgramCache]: Analyzing trace with hash 105357469, now seen corresponding path program 1 times [2022-11-22 02:47:59,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:47:59,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445728037] [2022-11-22 02:47:59,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:47:59,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:47:59,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:47:59,848 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 02:47:59,849 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:47:59,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445728037] [2022-11-22 02:47:59,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445728037] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:47:59,849 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:47:59,849 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:47:59,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473950410] [2022-11-22 02:47:59,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:47:59,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:47:59,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:47:59,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:47:59,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:47:59,852 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) [2022-11-22 02:48:01,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:48:01,960 INFO L93 Difference]: Finished difference Result 2523 states and 3427 transitions. [2022-11-22 02:48:01,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:48:01,961 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 [2022-11-22 02:48:01,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:48:01,976 INFO L225 Difference]: With dead ends: 2523 [2022-11-22 02:48:01,977 INFO L226 Difference]: Without dead ends: 2521 [2022-11-22 02:48:01,979 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:48:01,980 INFO L413 NwaCegarLoop]: 2997 mSDtfsCounter, 3400 mSDsluCounter, 2997 mSDsCounter, 0 mSdLazyCounter, 853 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s 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, 1.9s IncrementalHoareTripleChecker+Time [2022-11-22 02:48:01,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3402 Valid, 5994 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 853 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-22 02:48:01,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2521 states. [2022-11-22 02:48:02,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2521 to 2521. [2022-11-22 02:48:02,140 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) [2022-11-22 02:48:02,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2521 states to 2521 states and 3425 transitions. [2022-11-22 02:48:02,160 INFO L78 Accepts]: Start accepts. Automaton has 2521 states and 3425 transitions. Word has length 60 [2022-11-22 02:48:02,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:48:02,161 INFO L495 AbstractCegarLoop]: Abstraction has 2521 states and 3425 transitions. [2022-11-22 02:48:02,161 INFO L496 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) [2022-11-22 02:48:02,161 INFO L276 IsEmpty]: Start isEmpty. Operand 2521 states and 3425 transitions. [2022-11-22 02:48:02,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-22 02:48:02,163 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:48:02,163 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:48:02,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 02:48:02,164 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-22 02:48:02,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:48:02,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1286039798, now seen corresponding path program 1 times [2022-11-22 02:48:02,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:48:02,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155030269] [2022-11-22 02:48:02,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:48:02,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:48:02,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:48:02,669 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 02:48:02,670 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:48:02,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155030269] [2022-11-22 02:48:02,670 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155030269] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:48:02,670 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:48:02,671 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:48:02,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440362898] [2022-11-22 02:48:02,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:48:02,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:48:02,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:48:02,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:48:02,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:48:02,672 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) [2022-11-22 02:48:05,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:48:05,340 INFO L93 Difference]: Finished difference Result 2521 states and 3425 transitions. [2022-11-22 02:48:05,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:48:05,341 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 [2022-11-22 02:48:05,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:48:05,359 INFO L225 Difference]: With dead ends: 2521 [2022-11-22 02:48:05,359 INFO L226 Difference]: Without dead ends: 2519 [2022-11-22 02:48:05,361 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:48:05,366 INFO L413 NwaCegarLoop]: 2995 mSDtfsCounter, 3397 mSDsluCounter, 2995 mSDsCounter, 0 mSdLazyCounter, 853 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s 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, 2.4s IncrementalHoareTripleChecker+Time [2022-11-22 02:48:05,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3399 Valid, 5990 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 853 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-22 02:48:05,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2519 states. [2022-11-22 02:48:05,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2519 to 2519. [2022-11-22 02:48:05,524 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) [2022-11-22 02:48:05,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2519 states to 2519 states and 3423 transitions. [2022-11-22 02:48:05,543 INFO L78 Accepts]: Start accepts. Automaton has 2519 states and 3423 transitions. Word has length 65 [2022-11-22 02:48:05,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:48:05,544 INFO L495 AbstractCegarLoop]: Abstraction has 2519 states and 3423 transitions. [2022-11-22 02:48:05,544 INFO L496 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) [2022-11-22 02:48:05,544 INFO L276 IsEmpty]: Start isEmpty. Operand 2519 states and 3423 transitions. [2022-11-22 02:48:05,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-22 02:48:05,547 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:48:05,547 INFO L195 NwaCegarLoop]: 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] [2022-11-22 02:48:05,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 02:48:05,548 INFO L420 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)] === [2022-11-22 02:48:05,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:48:05,548 INFO L85 PathProgramCache]: Analyzing trace with hash -974598335, now seen corresponding path program 1 times [2022-11-22 02:48:05,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:48:05,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504014042] [2022-11-22 02:48:05,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:48:05,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:48:05,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:48:06,701 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-11-22 02:48:06,702 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:48:06,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504014042] [2022-11-22 02:48:06,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504014042] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:48:06,702 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:48:06,702 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 02:48:06,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782027709] [2022-11-22 02:48:06,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:48:06,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 02:48:06,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:48:06,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 02:48:06,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:48:06,704 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) [2022-11-22 02:48:11,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:48:11,606 INFO L93 Difference]: Finished difference Result 4794 states and 6578 transitions. [2022-11-22 02:48:11,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 02:48:11,607 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 [2022-11-22 02:48:11,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:48:11,646 INFO L225 Difference]: With dead ends: 4794 [2022-11-22 02:48:11,646 INFO L226 Difference]: Without dead ends: 4792 [2022-11-22 02:48:11,650 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-22 02:48:11,651 INFO L413 NwaCegarLoop]: 5122 mSDtfsCounter, 3320 mSDsluCounter, 13084 mSDsCounter, 0 mSdLazyCounter, 2422 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3321 SdHoareTripleChecker+Valid, 18206 SdHoareTripleChecker+Invalid, 2424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-11-22 02:48:11,651 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3321 Valid, 18206 Invalid, 2424 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2422 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-11-22 02:48:11,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4792 states. [2022-11-22 02:48:12,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4792 to 4701. [2022-11-22 02:48:12,150 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) [2022-11-22 02:48:12,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4701 states to 4701 states and 6508 transitions. [2022-11-22 02:48:12,190 INFO L78 Accepts]: Start accepts. Automaton has 4701 states and 6508 transitions. Word has length 77 [2022-11-22 02:48:12,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:48:12,191 INFO L495 AbstractCegarLoop]: Abstraction has 4701 states and 6508 transitions. [2022-11-22 02:48:12,192 INFO L496 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) [2022-11-22 02:48:12,192 INFO L276 IsEmpty]: Start isEmpty. Operand 4701 states and 6508 transitions. [2022-11-22 02:48:12,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-22 02:48:12,194 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:48:12,194 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:48:12,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-22 02:48:12,194 INFO L420 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)] === [2022-11-22 02:48:12,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:48:12,195 INFO L85 PathProgramCache]: Analyzing trace with hash -865653796, now seen corresponding path program 1 times [2022-11-22 02:48:12,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:48:12,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902584450] [2022-11-22 02:48:12,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:48:12,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:48:12,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:48:12,765 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 02:48:12,765 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:48:12,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902584450] [2022-11-22 02:48:12,765 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902584450] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:48:12,766 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:48:12,766 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:48:12,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164558388] [2022-11-22 02:48:12,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:48:12,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:48:12,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:48:12,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:48:12,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:48:12,768 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) [2022-11-22 02:48:15,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:48:15,088 INFO L93 Difference]: Finished difference Result 4701 states and 6508 transitions. [2022-11-22 02:48:15,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:48:15,089 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 [2022-11-22 02:48:15,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:48:15,121 INFO L225 Difference]: With dead ends: 4701 [2022-11-22 02:48:15,121 INFO L226 Difference]: Without dead ends: 4699 [2022-11-22 02:48:15,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:48:15,126 INFO L413 NwaCegarLoop]: 2993 mSDtfsCounter, 3394 mSDsluCounter, 2993 mSDsCounter, 0 mSdLazyCounter, 853 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s 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, 1.9s IncrementalHoareTripleChecker+Time [2022-11-22 02:48:15,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3396 Valid, 5986 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 853 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-22 02:48:15,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4699 states. [2022-11-22 02:48:15,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4699 to 4699. [2022-11-22 02:48:15,546 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) [2022-11-22 02:48:15,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4699 states to 4699 states and 6505 transitions. [2022-11-22 02:48:15,575 INFO L78 Accepts]: Start accepts. Automaton has 4699 states and 6505 transitions. Word has length 70 [2022-11-22 02:48:15,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:48:15,576 INFO L495 AbstractCegarLoop]: Abstraction has 4699 states and 6505 transitions. [2022-11-22 02:48:15,576 INFO L496 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) [2022-11-22 02:48:15,576 INFO L276 IsEmpty]: Start isEmpty. Operand 4699 states and 6505 transitions. [2022-11-22 02:48:15,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-22 02:48:15,580 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:48:15,580 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:48:15,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-22 02:48:15,580 INFO L420 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)] === [2022-11-22 02:48:15,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:48:15,581 INFO L85 PathProgramCache]: Analyzing trace with hash 54807800, now seen corresponding path program 1 times [2022-11-22 02:48:15,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:48:15,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688981084] [2022-11-22 02:48:15,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:48:15,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:48:15,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:48:16,075 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 02:48:16,076 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:48:16,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688981084] [2022-11-22 02:48:16,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688981084] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:48:16,076 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:48:16,076 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:48:16,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688248677] [2022-11-22 02:48:16,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:48:16,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:48:16,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:48:16,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:48:16,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:48:16,078 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) [2022-11-22 02:48:18,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:48:18,458 INFO L93 Difference]: Finished difference Result 4699 states and 6505 transitions. [2022-11-22 02:48:18,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:48:18,459 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 [2022-11-22 02:48:18,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:48:18,489 INFO L225 Difference]: With dead ends: 4699 [2022-11-22 02:48:18,489 INFO L226 Difference]: Without dead ends: 4697 [2022-11-22 02:48:18,493 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:48:18,494 INFO L413 NwaCegarLoop]: 2991 mSDtfsCounter, 3391 mSDsluCounter, 2991 mSDsCounter, 0 mSdLazyCounter, 853 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s 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, 2.0s IncrementalHoareTripleChecker+Time [2022-11-22 02:48:18,495 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3393 Valid, 5982 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 853 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-22 02:48:18,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4697 states. [2022-11-22 02:48:18,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4697 to 4697. [2022-11-22 02:48:18,913 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) [2022-11-22 02:48:18,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4697 states to 4697 states and 6502 transitions. [2022-11-22 02:48:18,940 INFO L78 Accepts]: Start accepts. Automaton has 4697 states and 6502 transitions. Word has length 75 [2022-11-22 02:48:18,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:48:18,941 INFO L495 AbstractCegarLoop]: Abstraction has 4697 states and 6502 transitions. [2022-11-22 02:48:18,941 INFO L496 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) [2022-11-22 02:48:18,941 INFO L276 IsEmpty]: Start isEmpty. Operand 4697 states and 6502 transitions. [2022-11-22 02:48:18,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-22 02:48:18,949 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:48:18,949 INFO L195 NwaCegarLoop]: 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] [2022-11-22 02:48:18,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-22 02:48:18,950 INFO L420 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)] === [2022-11-22 02:48:18,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:48:18,950 INFO L85 PathProgramCache]: Analyzing trace with hash 2140957589, now seen corresponding path program 1 times [2022-11-22 02:48:18,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:48:18,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56839641] [2022-11-22 02:48:18,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:48:18,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:48:19,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:48:20,096 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-11-22 02:48:20,097 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:48:20,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56839641] [2022-11-22 02:48:20,097 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56839641] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:48:20,097 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:48:20,097 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-22 02:48:20,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189300212] [2022-11-22 02:48:20,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:48:20,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 02:48:20,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:48:20,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 02:48:20,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-22 02:48:20,100 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) [2022-11-22 02:48:26,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:48:26,846 INFO L93 Difference]: Finished difference Result 4697 states and 6502 transitions. [2022-11-22 02:48:26,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 02:48:26,847 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 [2022-11-22 02:48:26,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:48:26,880 INFO L225 Difference]: With dead ends: 4697 [2022-11-22 02:48:26,886 INFO L226 Difference]: Without dead ends: 4695 [2022-11-22 02:48:26,891 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-22 02:48:26,892 INFO L413 NwaCegarLoop]: 2990 mSDtfsCounter, 3384 mSDsluCounter, 7504 mSDsCounter, 0 mSdLazyCounter, 3162 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3388 SdHoareTripleChecker+Valid, 10494 SdHoareTripleChecker+Invalid, 3163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-11-22 02:48:26,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3388 Valid, 10494 Invalid, 3163 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 3162 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2022-11-22 02:48:26,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4695 states. [2022-11-22 02:48:27,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4695 to 4695. [2022-11-22 02:48:27,424 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) [2022-11-22 02:48:27,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4695 states to 4695 states and 6499 transitions. [2022-11-22 02:48:27,455 INFO L78 Accepts]: Start accepts. Automaton has 4695 states and 6499 transitions. Word has length 88 [2022-11-22 02:48:27,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:48:27,458 INFO L495 AbstractCegarLoop]: Abstraction has 4695 states and 6499 transitions. [2022-11-22 02:48:27,459 INFO L496 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) [2022-11-22 02:48:27,459 INFO L276 IsEmpty]: Start isEmpty. Operand 4695 states and 6499 transitions. [2022-11-22 02:48:27,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-22 02:48:27,461 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:48:27,461 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:48:27,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-22 02:48:27,462 INFO L420 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)] === [2022-11-22 02:48:27,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:48:27,464 INFO L85 PathProgramCache]: Analyzing trace with hash -1738325351, now seen corresponding path program 1 times [2022-11-22 02:48:27,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:48:27,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188877909] [2022-11-22 02:48:27,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:48:27,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:48:27,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:48:28,011 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 02:48:28,012 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:48:28,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188877909] [2022-11-22 02:48:28,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188877909] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:48:28,012 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:48:28,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:48:28,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789285454] [2022-11-22 02:48:28,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:48:28,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:48:28,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:48:28,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:48:28,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:48:28,015 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) [2022-11-22 02:48:30,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:48:30,305 INFO L93 Difference]: Finished difference Result 4695 states and 6499 transitions. [2022-11-22 02:48:30,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:48:30,306 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 [2022-11-22 02:48:30,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:48:30,332 INFO L225 Difference]: With dead ends: 4695 [2022-11-22 02:48:30,332 INFO L226 Difference]: Without dead ends: 4693 [2022-11-22 02:48:30,337 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:48:30,337 INFO L413 NwaCegarLoop]: 2987 mSDtfsCounter, 3386 mSDsluCounter, 2987 mSDsCounter, 0 mSdLazyCounter, 853 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s 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, 1.9s IncrementalHoareTripleChecker+Time [2022-11-22 02:48:30,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3388 Valid, 5974 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 853 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-22 02:48:30,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4693 states. [2022-11-22 02:48:30,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4693 to 4693. [2022-11-22 02:48:30,821 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) [2022-11-22 02:48:30,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4693 states to 4693 states and 6496 transitions. [2022-11-22 02:48:30,846 INFO L78 Accepts]: Start accepts. Automaton has 4693 states and 6496 transitions. Word has length 80 [2022-11-22 02:48:30,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:48:30,846 INFO L495 AbstractCegarLoop]: Abstraction has 4693 states and 6496 transitions. [2022-11-22 02:48:30,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-22 02:48:30,847 INFO L276 IsEmpty]: Start isEmpty. Operand 4693 states and 6496 transitions. [2022-11-22 02:48:30,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-11-22 02:48:30,850 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:48:30,850 INFO L195 NwaCegarLoop]: 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] [2022-11-22 02:48:30,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-22 02:48:30,850 INFO L420 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)] === [2022-11-22 02:48:30,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:48:30,851 INFO L85 PathProgramCache]: Analyzing trace with hash 1181101159, now seen corresponding path program 1 times [2022-11-22 02:48:30,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:48:30,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317290027] [2022-11-22 02:48:30,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:48:30,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:48:30,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:48:31,194 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-11-22 02:48:31,194 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:48:31,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317290027] [2022-11-22 02:48:31,195 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317290027] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:48:31,195 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:48:31,195 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:48:31,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332442855] [2022-11-22 02:48:31,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:48:31,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:48:31,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:48:31,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:48:31,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:48:31,197 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) [2022-11-22 02:48:32,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:48:32,809 INFO L93 Difference]: Finished difference Result 9366 states and 13196 transitions. [2022-11-22 02:48:32,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:48:32,812 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 [2022-11-22 02:48:32,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:48:32,840 INFO L225 Difference]: With dead ends: 9366 [2022-11-22 02:48:32,841 INFO L226 Difference]: Without dead ends: 4687 [2022-11-22 02:48:32,870 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:48:32,871 INFO L413 NwaCegarLoop]: 2983 mSDtfsCounter, 3369 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 427 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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, 1.1s IncrementalHoareTripleChecker+Time [2022-11-22 02:48:32,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3369 Valid, 2983 Invalid, 427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 427 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-22 02:48:32,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4687 states. [2022-11-22 02:48:33,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4687 to 4687. [2022-11-22 02:48:33,320 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) [2022-11-22 02:48:33,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4687 states to 4687 states and 6487 transitions. [2022-11-22 02:48:33,349 INFO L78 Accepts]: Start accepts. Automaton has 4687 states and 6487 transitions. Word has length 91 [2022-11-22 02:48:33,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:48:33,350 INFO L495 AbstractCegarLoop]: Abstraction has 4687 states and 6487 transitions. [2022-11-22 02:48:33,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (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) [2022-11-22 02:48:33,350 INFO L276 IsEmpty]: Start isEmpty. Operand 4687 states and 6487 transitions. [2022-11-22 02:48:33,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-22 02:48:33,352 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:48:33,352 INFO L195 NwaCegarLoop]: 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] [2022-11-22 02:48:33,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-22 02:48:33,353 INFO L420 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)] === [2022-11-22 02:48:33,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:48:33,354 INFO L85 PathProgramCache]: Analyzing trace with hash 543497251, now seen corresponding path program 1 times [2022-11-22 02:48:33,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:48:33,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72288040] [2022-11-22 02:48:33,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:48:33,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:48:33,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:48:34,248 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-11-22 02:48:34,248 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:48:34,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72288040] [2022-11-22 02:48:34,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72288040] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:48:34,249 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:48:34,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 02:48:34,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126375579] [2022-11-22 02:48:34,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:48:34,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 02:48:34,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:48:34,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 02:48:34,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:48:34,252 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) [2022-11-22 02:48:39,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:48:39,852 INFO L93 Difference]: Finished difference Result 4768 states and 6550 transitions. [2022-11-22 02:48:39,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 02:48:39,852 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 [2022-11-22 02:48:39,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:48:39,877 INFO L225 Difference]: With dead ends: 4768 [2022-11-22 02:48:39,877 INFO L226 Difference]: Without dead ends: 4766 [2022-11-22 02:48:39,880 INFO L412 NwaCegarLoop]: 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 [2022-11-22 02:48:39,881 INFO L413 NwaCegarLoop]: 4253 mSDtfsCounter, 3215 mSDsluCounter, 11422 mSDsCounter, 0 mSdLazyCounter, 2089 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3216 SdHoareTripleChecker+Valid, 15675 SdHoareTripleChecker+Invalid, 2089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2089 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-11-22 02:48:39,881 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3216 Valid, 15675 Invalid, 2089 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2089 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-11-22 02:48:39,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4766 states. [2022-11-22 02:48:40,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4766 to 4711. [2022-11-22 02:48:40,342 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) [2022-11-22 02:48:40,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4711 states to 4711 states and 6518 transitions. [2022-11-22 02:48:40,371 INFO L78 Accepts]: Start accepts. Automaton has 4711 states and 6518 transitions. Word has length 93 [2022-11-22 02:48:40,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:48:40,372 INFO L495 AbstractCegarLoop]: Abstraction has 4711 states and 6518 transitions. [2022-11-22 02:48:40,372 INFO L496 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) [2022-11-22 02:48:40,373 INFO L276 IsEmpty]: Start isEmpty. Operand 4711 states and 6518 transitions. [2022-11-22 02:48:40,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-22 02:48:40,375 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:48:40,375 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:48:40,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-22 02:48:40,376 INFO L420 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)] === [2022-11-22 02:48:40,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:48:40,376 INFO L85 PathProgramCache]: Analyzing trace with hash 705144466, now seen corresponding path program 1 times [2022-11-22 02:48:40,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:48:40,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865224360] [2022-11-22 02:48:40,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:48:40,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:48:40,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:48:40,969 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 02:48:40,970 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:48:40,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865224360] [2022-11-22 02:48:40,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865224360] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:48:40,970 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:48:40,971 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:48:40,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645484243] [2022-11-22 02:48:40,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:48:40,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:48:40,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:48:40,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:48:40,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:48:40,973 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) [2022-11-22 02:48:44,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:48:44,593 INFO L93 Difference]: Finished difference Result 4711 states and 6518 transitions. [2022-11-22 02:48:44,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:48:44,594 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 [2022-11-22 02:48:44,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:48:44,619 INFO L225 Difference]: With dead ends: 4711 [2022-11-22 02:48:44,619 INFO L226 Difference]: Without dead ends: 4709 [2022-11-22 02:48:44,623 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:48:44,623 INFO L413 NwaCegarLoop]: 2980 mSDtfsCounter, 3382 mSDsluCounter, 2976 mSDsCounter, 0 mSdLazyCounter, 853 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s 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, 2.9s IncrementalHoareTripleChecker+Time [2022-11-22 02:48:44,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3384 Valid, 5956 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 853 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-11-22 02:48:44,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4709 states. [2022-11-22 02:48:45,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4709 to 4709. [2022-11-22 02:48:45,023 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) [2022-11-22 02:48:45,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4709 states to 4709 states and 6515 transitions. [2022-11-22 02:48:45,053 INFO L78 Accepts]: Start accepts. Automaton has 4709 states and 6515 transitions. Word has length 85 [2022-11-22 02:48:45,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:48:45,054 INFO L495 AbstractCegarLoop]: Abstraction has 4709 states and 6515 transitions. [2022-11-22 02:48:45,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-22 02:48:45,054 INFO L276 IsEmpty]: Start isEmpty. Operand 4709 states and 6515 transitions. [2022-11-22 02:48:45,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-11-22 02:48:45,057 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:48:45,057 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:48:45,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-22 02:48:45,057 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-22 02:48:45,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:48:45,058 INFO L85 PathProgramCache]: Analyzing trace with hash -960767179, now seen corresponding path program 1 times [2022-11-22 02:48:45,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:48:45,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566690500] [2022-11-22 02:48:45,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:48:45,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:48:45,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:48:45,653 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 02:48:45,654 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:48:45,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566690500] [2022-11-22 02:48:45,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566690500] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:48:45,654 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:48:45,654 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:48:45,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155403888] [2022-11-22 02:48:45,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:48:45,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:48:45,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:48:45,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:48:45,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:48:45,657 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) [2022-11-22 02:48:48,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:48:48,071 INFO L93 Difference]: Finished difference Result 4709 states and 6515 transitions. [2022-11-22 02:48:48,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:48:48,073 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 [2022-11-22 02:48:48,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:48:48,092 INFO L225 Difference]: With dead ends: 4709 [2022-11-22 02:48:48,092 INFO L226 Difference]: Without dead ends: 4707 [2022-11-22 02:48:48,095 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:48:48,096 INFO L413 NwaCegarLoop]: 2978 mSDtfsCounter, 3374 mSDsluCounter, 2978 mSDsCounter, 0 mSdLazyCounter, 853 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s 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, 1.9s IncrementalHoareTripleChecker+Time [2022-11-22 02:48:48,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3376 Valid, 5956 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 853 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-22 02:48:48,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4707 states. [2022-11-22 02:48:48,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4707 to 4707. [2022-11-22 02:48:48,465 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) [2022-11-22 02:48:48,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4707 states to 4707 states and 6512 transitions. [2022-11-22 02:48:48,484 INFO L78 Accepts]: Start accepts. Automaton has 4707 states and 6512 transitions. Word has length 87 [2022-11-22 02:48:48,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:48:48,484 INFO L495 AbstractCegarLoop]: Abstraction has 4707 states and 6512 transitions. [2022-11-22 02:48:48,484 INFO L496 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) [2022-11-22 02:48:48,485 INFO L276 IsEmpty]: Start isEmpty. Operand 4707 states and 6512 transitions. [2022-11-22 02:48:48,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-11-22 02:48:48,487 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:48:48,487 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:48:48,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-22 02:48:48,487 INFO L420 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)] === [2022-11-22 02:48:48,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:48:48,488 INFO L85 PathProgramCache]: Analyzing trace with hash 161385225, now seen corresponding path program 1 times [2022-11-22 02:48:48,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:48:48,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116504229] [2022-11-22 02:48:48,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:48:48,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:48:48,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:48:48,989 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 02:48:48,989 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:48:48,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116504229] [2022-11-22 02:48:48,990 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116504229] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:48:48,990 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:48:48,990 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:48:48,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063138854] [2022-11-22 02:48:48,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:48:48,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:48:48,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:48:48,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:48:48,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:48:48,992 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) [2022-11-22 02:48:53,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:48:53,504 INFO L93 Difference]: Finished difference Result 9400 states and 13187 transitions. [2022-11-22 02:48:53,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 02:48:53,505 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 [2022-11-22 02:48:53,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:48:53,545 INFO L225 Difference]: With dead ends: 9400 [2022-11-22 02:48:53,545 INFO L226 Difference]: Without dead ends: 9398 [2022-11-22 02:48:53,549 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:48:53,550 INFO L413 NwaCegarLoop]: 4126 mSDtfsCounter, 3372 mSDsluCounter, 7139 mSDsCounter, 0 mSdLazyCounter, 1421 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3374 SdHoareTripleChecker+Valid, 11265 SdHoareTripleChecker+Invalid, 1422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-22 02:48:53,550 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3374 Valid, 11265 Invalid, 1422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1421 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-11-22 02:48:53,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9398 states. [2022-11-22 02:48:54,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9398 to 9230. [2022-11-22 02:48:54,547 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) [2022-11-22 02:48:54,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9230 states to 9230 states and 13008 transitions. [2022-11-22 02:48:54,709 INFO L78 Accepts]: Start accepts. Automaton has 9230 states and 13008 transitions. Word has length 92 [2022-11-22 02:48:54,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:48:54,711 INFO L495 AbstractCegarLoop]: Abstraction has 9230 states and 13008 transitions. [2022-11-22 02:48:54,712 INFO L496 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) [2022-11-22 02:48:54,712 INFO L276 IsEmpty]: Start isEmpty. Operand 9230 states and 13008 transitions. [2022-11-22 02:48:54,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-11-22 02:48:54,714 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:48:54,715 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:48:54,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-22 02:48:54,716 INFO L420 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)] === [2022-11-22 02:48:54,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:48:54,717 INFO L85 PathProgramCache]: Analyzing trace with hash 1900655648, now seen corresponding path program 1 times [2022-11-22 02:48:54,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:48:54,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877895615] [2022-11-22 02:48:54,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:48:54,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:48:54,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:48:55,130 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 02:48:55,131 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:48:55,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877895615] [2022-11-22 02:48:55,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877895615] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:48:55,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:48:55,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:48:55,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158931993] [2022-11-22 02:48:55,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:48:55,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:48:55,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:48:55,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:48:55,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:48:55,133 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) [2022-11-22 02:48:57,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:48:57,635 INFO L93 Difference]: Finished difference Result 9230 states and 13008 transitions. [2022-11-22 02:48:57,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:48:57,635 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 [2022-11-22 02:48:57,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:48:57,684 INFO L225 Difference]: With dead ends: 9230 [2022-11-22 02:48:57,685 INFO L226 Difference]: Without dead ends: 9228 [2022-11-22 02:48:57,690 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:48:57,691 INFO L413 NwaCegarLoop]: 2975 mSDtfsCounter, 3372 mSDsluCounter, 2975 mSDsCounter, 0 mSdLazyCounter, 855 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.5s IncrementalHoareTripleChecker+Time [2022-11-22 02:48:57,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3374 Valid, 5950 Invalid, 855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 855 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-22 02:48:57,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9228 states. [2022-11-22 02:48:58,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9228 to 9228. [2022-11-22 02:48:58,864 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) [2022-11-22 02:48:58,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9228 states to 9228 states and 13005 transitions. [2022-11-22 02:48:58,914 INFO L78 Accepts]: Start accepts. Automaton has 9228 states and 13005 transitions. Word has length 97 [2022-11-22 02:48:58,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:48:58,915 INFO L495 AbstractCegarLoop]: Abstraction has 9228 states and 13005 transitions. [2022-11-22 02:48:58,915 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-22 02:48:58,915 INFO L276 IsEmpty]: Start isEmpty. Operand 9228 states and 13005 transitions. [2022-11-22 02:48:58,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-11-22 02:48:58,918 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:48:58,918 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:48:58,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-22 02:48:58,918 INFO L420 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)] === [2022-11-22 02:48:58,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:48:58,919 INFO L85 PathProgramCache]: Analyzing trace with hash 1246603385, now seen corresponding path program 1 times [2022-11-22 02:48:58,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:48:58,919 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928234363] [2022-11-22 02:48:58,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:48:58,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:48:59,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:48:59,369 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 02:48:59,369 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:48:59,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928234363] [2022-11-22 02:48:59,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928234363] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:48:59,371 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:48:59,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:48:59,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208710666] [2022-11-22 02:48:59,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:48:59,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:48:59,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:48:59,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:48:59,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:48:59,373 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) [2022-11-22 02:49:02,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:49:02,192 INFO L93 Difference]: Finished difference Result 9228 states and 13005 transitions. [2022-11-22 02:49:02,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:49:02,193 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 [2022-11-22 02:49:02,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:49:02,231 INFO L225 Difference]: With dead ends: 9228 [2022-11-22 02:49:02,231 INFO L226 Difference]: Without dead ends: 9226 [2022-11-22 02:49:02,235 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:49:02,236 INFO L413 NwaCegarLoop]: 2974 mSDtfsCounter, 3369 mSDsluCounter, 2974 mSDsCounter, 0 mSdLazyCounter, 853 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s 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, 1.8s IncrementalHoareTripleChecker+Time [2022-11-22 02:49:02,236 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3371 Valid, 5948 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 853 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-22 02:49:02,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9226 states. [2022-11-22 02:49:03,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9226 to 9226. [2022-11-22 02:49:03,083 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) [2022-11-22 02:49:03,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9226 states to 9226 states and 13002 transitions. [2022-11-22 02:49:03,127 INFO L78 Accepts]: Start accepts. Automaton has 9226 states and 13002 transitions. Word has length 102 [2022-11-22 02:49:03,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:49:03,128 INFO L495 AbstractCegarLoop]: Abstraction has 9226 states and 13002 transitions. [2022-11-22 02:49:03,128 INFO L496 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) [2022-11-22 02:49:03,128 INFO L276 IsEmpty]: Start isEmpty. Operand 9226 states and 13002 transitions. [2022-11-22 02:49:03,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-11-22 02:49:03,131 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:49:03,132 INFO L195 NwaCegarLoop]: 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] [2022-11-22 02:49:03,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-22 02:49:03,132 INFO L420 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)] === [2022-11-22 02:49:03,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:49:03,133 INFO L85 PathProgramCache]: Analyzing trace with hash 1047537967, now seen corresponding path program 1 times [2022-11-22 02:49:03,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:49:03,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277139312] [2022-11-22 02:49:03,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:49:03,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:49:03,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:49:03,786 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-11-22 02:49:03,786 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:49:03,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277139312] [2022-11-22 02:49:03,786 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277139312] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:49:03,786 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:49:03,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:49:03,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535573547] [2022-11-22 02:49:03,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:49:03,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:49:03,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:49:03,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:49:03,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:49:03,788 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) [2022-11-22 02:49:06,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:49:06,644 INFO L93 Difference]: Finished difference Result 9226 states and 13002 transitions. [2022-11-22 02:49:06,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:49:06,645 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 [2022-11-22 02:49:06,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:49:06,683 INFO L225 Difference]: With dead ends: 9226 [2022-11-22 02:49:06,683 INFO L226 Difference]: Without dead ends: 9224 [2022-11-22 02:49:06,690 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:49:06,691 INFO L413 NwaCegarLoop]: 2971 mSDtfsCounter, 3363 mSDsluCounter, 2962 mSDsCounter, 0 mSdLazyCounter, 852 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s 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, 1.9s IncrementalHoareTripleChecker+Time [2022-11-22 02:49:06,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3368 Valid, 5933 Invalid, 852 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 852 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-22 02:49:06,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9224 states. [2022-11-22 02:49:07,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9224 to 9224. [2022-11-22 02:49:07,786 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) [2022-11-22 02:49:07,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9224 states to 9224 states and 12997 transitions. [2022-11-22 02:49:07,827 INFO L78 Accepts]: Start accepts. Automaton has 9224 states and 12997 transitions. Word has length 117 [2022-11-22 02:49:07,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:49:07,827 INFO L495 AbstractCegarLoop]: Abstraction has 9224 states and 12997 transitions. [2022-11-22 02:49:07,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (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) [2022-11-22 02:49:07,827 INFO L276 IsEmpty]: Start isEmpty. Operand 9224 states and 12997 transitions. [2022-11-22 02:49:07,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-11-22 02:49:07,830 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:49:07,830 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:49:07,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-22 02:49:07,831 INFO L420 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)] === [2022-11-22 02:49:07,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:49:07,831 INFO L85 PathProgramCache]: Analyzing trace with hash -555945154, now seen corresponding path program 1 times [2022-11-22 02:49:07,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:49:07,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123666387] [2022-11-22 02:49:07,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:49:07,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:49:07,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:49:08,257 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 02:49:08,258 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:49:08,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123666387] [2022-11-22 02:49:08,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123666387] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:49:08,258 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:49:08,258 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:49:08,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442871770] [2022-11-22 02:49:08,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:49:08,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:49:08,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:49:08,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:49:08,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:49:08,261 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) [2022-11-22 02:49:13,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:49:13,752 INFO L93 Difference]: Finished difference Result 18048 states and 25966 transitions. [2022-11-22 02:49:13,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 02:49:13,753 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 [2022-11-22 02:49:13,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:49:13,821 INFO L225 Difference]: With dead ends: 18048 [2022-11-22 02:49:13,821 INFO L226 Difference]: Without dead ends: 18046 [2022-11-22 02:49:13,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:49:13,829 INFO L413 NwaCegarLoop]: 3764 mSDtfsCounter, 3219 mSDsluCounter, 6778 mSDsCounter, 0 mSdLazyCounter, 1291 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3221 SdHoareTripleChecker+Valid, 10542 SdHoareTripleChecker+Invalid, 1292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-22 02:49:13,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3221 Valid, 10542 Invalid, 1292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1291 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-11-22 02:49:13,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18046 states. [2022-11-22 02:49:15,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18046 to 17881. [2022-11-22 02:49:15,617 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) [2022-11-22 02:49:15,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17881 states to 17881 states and 25777 transitions. [2022-11-22 02:49:15,711 INFO L78 Accepts]: Start accepts. Automaton has 17881 states and 25777 transitions. Word has length 107 [2022-11-22 02:49:15,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:49:15,711 INFO L495 AbstractCegarLoop]: Abstraction has 17881 states and 25777 transitions. [2022-11-22 02:49:15,711 INFO L496 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) [2022-11-22 02:49:15,712 INFO L276 IsEmpty]: Start isEmpty. Operand 17881 states and 25777 transitions. [2022-11-22 02:49:15,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-22 02:49:15,713 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:49:15,713 INFO L195 NwaCegarLoop]: 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] [2022-11-22 02:49:15,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-22 02:49:15,714 INFO L420 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)] === [2022-11-22 02:49:15,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:49:15,714 INFO L85 PathProgramCache]: Analyzing trace with hash 1668479357, now seen corresponding path program 1 times [2022-11-22 02:49:15,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:49:15,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159255263] [2022-11-22 02:49:15,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:49:15,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:49:15,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:49:16,307 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-11-22 02:49:16,307 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:49:16,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159255263] [2022-11-22 02:49:16,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159255263] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:49:16,307 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:49:16,308 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:49:16,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722506346] [2022-11-22 02:49:16,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:49:16,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:49:16,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:49:16,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:49:16,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:49:16,311 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) [2022-11-22 02:49:19,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:49:19,587 INFO L93 Difference]: Finished difference Result 17881 states and 25777 transitions. [2022-11-22 02:49:19,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:49:19,592 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 [2022-11-22 02:49:19,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:49:19,649 INFO L225 Difference]: With dead ends: 17881 [2022-11-22 02:49:19,649 INFO L226 Difference]: Without dead ends: 17879 [2022-11-22 02:49:19,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:49:19,657 INFO L413 NwaCegarLoop]: 2970 mSDtfsCounter, 3355 mSDsluCounter, 2964 mSDsCounter, 0 mSdLazyCounter, 851 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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, 1.4s IncrementalHoareTripleChecker+Time [2022-11-22 02:49:19,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3360 Valid, 5934 Invalid, 851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 851 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-22 02:49:19,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17879 states. [2022-11-22 02:49:21,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17879 to 17879. [2022-11-22 02:49:21,386 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) [2022-11-22 02:49:21,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17879 states to 17879 states and 25768 transitions. [2022-11-22 02:49:21,498 INFO L78 Accepts]: Start accepts. Automaton has 17879 states and 25768 transitions. Word has length 119 [2022-11-22 02:49:21,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:49:21,499 INFO L495 AbstractCegarLoop]: Abstraction has 17879 states and 25768 transitions. [2022-11-22 02:49:21,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-22 02:49:21,499 INFO L276 IsEmpty]: Start isEmpty. Operand 17879 states and 25768 transitions. [2022-11-22 02:49:21,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-11-22 02:49:21,501 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:49:21,501 INFO L195 NwaCegarLoop]: 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] [2022-11-22 02:49:21,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-22 02:49:21,501 INFO L420 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)] === [2022-11-22 02:49:21,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:49:21,502 INFO L85 PathProgramCache]: Analyzing trace with hash 1392957013, now seen corresponding path program 1 times [2022-11-22 02:49:21,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:49:21,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797128349] [2022-11-22 02:49:21,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:49:21,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:49:21,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:49:22,199 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-11-22 02:49:22,199 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:49:22,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797128349] [2022-11-22 02:49:22,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797128349] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:49:22,200 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:49:22,200 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:49:22,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340213492] [2022-11-22 02:49:22,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:49:22,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:49:22,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:49:22,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:49:22,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:49:22,202 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) [2022-11-22 02:49:27,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:49:27,112 INFO L93 Difference]: Finished difference Result 18042 states and 25953 transitions. [2022-11-22 02:49:27,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 02:49:27,112 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 [2022-11-22 02:49:27,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:49:27,157 INFO L225 Difference]: With dead ends: 18042 [2022-11-22 02:49:27,157 INFO L226 Difference]: Without dead ends: 18040 [2022-11-22 02:49:27,163 INFO L412 NwaCegarLoop]: 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 [2022-11-22 02:49:27,164 INFO L413 NwaCegarLoop]: 3762 mSDtfsCounter, 3204 mSDsluCounter, 6771 mSDsCounter, 0 mSdLazyCounter, 1290 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3209 SdHoareTripleChecker+Valid, 10533 SdHoareTripleChecker+Invalid, 1291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-22 02:49:27,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3209 Valid, 10533 Invalid, 1291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1290 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-11-22 02:49:27,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18040 states. [2022-11-22 02:49:28,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18040 to 17879. [2022-11-22 02:49:28,919 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) [2022-11-22 02:49:29,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17879 states to 17879 states and 25764 transitions. [2022-11-22 02:49:29,039 INFO L78 Accepts]: Start accepts. Automaton has 17879 states and 25764 transitions. Word has length 121 [2022-11-22 02:49:29,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:49:29,039 INFO L495 AbstractCegarLoop]: Abstraction has 17879 states and 25764 transitions. [2022-11-22 02:49:29,040 INFO L496 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) [2022-11-22 02:49:29,040 INFO L276 IsEmpty]: Start isEmpty. Operand 17879 states and 25764 transitions. [2022-11-22 02:49:29,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-22 02:49:29,044 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:49:29,044 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:49:29,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-22 02:49:29,044 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-22 02:49:29,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:49:29,045 INFO L85 PathProgramCache]: Analyzing trace with hash 184515261, now seen corresponding path program 1 times [2022-11-22 02:49:29,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:49:29,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118222699] [2022-11-22 02:49:29,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:49:29,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:49:29,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:49:29,540 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 02:49:29,540 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:49:29,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118222699] [2022-11-22 02:49:29,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118222699] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:49:29,541 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:49:29,541 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:49:29,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539873006] [2022-11-22 02:49:29,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:49:29,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:49:29,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:49:29,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:49:29,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:49:29,543 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) [2022-11-22 02:49:32,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:49:32,990 INFO L93 Difference]: Finished difference Result 17879 states and 25764 transitions. [2022-11-22 02:49:32,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:49:32,991 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 [2022-11-22 02:49:32,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:49:33,052 INFO L225 Difference]: With dead ends: 17879 [2022-11-22 02:49:33,052 INFO L226 Difference]: Without dead ends: 17877 [2022-11-22 02:49:33,062 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:49:33,063 INFO L413 NwaCegarLoop]: 2968 mSDtfsCounter, 3361 mSDsluCounter, 2968 mSDsCounter, 0 mSdLazyCounter, 853 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s 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, 1.7s IncrementalHoareTripleChecker+Time [2022-11-22 02:49:33,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3363 Valid, 5936 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 853 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-22 02:49:33,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17877 states. [2022-11-22 02:49:34,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17877 to 17877. [2022-11-22 02:49:34,571 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) [2022-11-22 02:49:34,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17877 states to 17877 states and 25761 transitions. [2022-11-22 02:49:34,651 INFO L78 Accepts]: Start accepts. Automaton has 17877 states and 25761 transitions. Word has length 112 [2022-11-22 02:49:34,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:49:34,652 INFO L495 AbstractCegarLoop]: Abstraction has 17877 states and 25761 transitions. [2022-11-22 02:49:34,652 INFO L496 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) [2022-11-22 02:49:34,652 INFO L276 IsEmpty]: Start isEmpty. Operand 17877 states and 25761 transitions. [2022-11-22 02:49:34,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-11-22 02:49:34,655 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:49:34,655 INFO L195 NwaCegarLoop]: 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] [2022-11-22 02:49:34,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-22 02:49:34,656 INFO L420 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)] === [2022-11-22 02:49:34,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:49:34,656 INFO L85 PathProgramCache]: Analyzing trace with hash -1391048571, now seen corresponding path program 1 times [2022-11-22 02:49:34,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:49:34,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397076127] [2022-11-22 02:49:34,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:49:34,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:49:34,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:49:35,125 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-11-22 02:49:35,125 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:49:35,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397076127] [2022-11-22 02:49:35,126 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397076127] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:49:35,126 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:49:35,126 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:49:35,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728593614] [2022-11-22 02:49:35,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:49:35,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:49:35,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:49:35,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:49:35,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:49:35,128 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) [2022-11-22 02:49:38,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:49:38,743 INFO L93 Difference]: Finished difference Result 17877 states and 25761 transitions. [2022-11-22 02:49:38,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:49:38,746 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 [2022-11-22 02:49:38,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:49:38,802 INFO L225 Difference]: With dead ends: 17877 [2022-11-22 02:49:38,802 INFO L226 Difference]: Without dead ends: 17875 [2022-11-22 02:49:38,812 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:49:38,813 INFO L413 NwaCegarLoop]: 2966 mSDtfsCounter, 3339 mSDsluCounter, 2966 mSDsCounter, 0 mSdLazyCounter, 853 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s 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, 1.8s IncrementalHoareTripleChecker+Time [2022-11-22 02:49:38,813 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3344 Valid, 5932 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 853 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-22 02:49:38,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17875 states. [2022-11-22 02:49:40,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17875 to 17875. [2022-11-22 02:49:40,826 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) [2022-11-22 02:49:40,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17875 states to 17875 states and 25752 transitions. [2022-11-22 02:49:40,934 INFO L78 Accepts]: Start accepts. Automaton has 17875 states and 25752 transitions. Word has length 123 [2022-11-22 02:49:40,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:49:40,934 INFO L495 AbstractCegarLoop]: Abstraction has 17875 states and 25752 transitions. [2022-11-22 02:49:40,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-22 02:49:40,935 INFO L276 IsEmpty]: Start isEmpty. Operand 17875 states and 25752 transitions. [2022-11-22 02:49:40,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-11-22 02:49:40,937 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:49:40,938 INFO L195 NwaCegarLoop]: 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] [2022-11-22 02:49:40,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-22 02:49:40,938 INFO L420 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)] === [2022-11-22 02:49:40,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:49:40,938 INFO L85 PathProgramCache]: Analyzing trace with hash -471384408, now seen corresponding path program 1 times [2022-11-22 02:49:40,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:49:40,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258924836] [2022-11-22 02:49:40,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:49:40,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:49:41,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:49:41,717 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2022-11-22 02:49:41,717 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:49:41,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258924836] [2022-11-22 02:49:41,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258924836] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:49:41,718 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:49:41,718 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 02:49:41,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300901499] [2022-11-22 02:49:41,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:49:41,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 02:49:41,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:49:41,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 02:49:41,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:49:41,721 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) [2022-11-22 02:49:44,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 02:49:47,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:49:47,796 INFO L93 Difference]: Finished difference Result 35748 states and 53113 transitions. [2022-11-22 02:49:47,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 02:49:47,797 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 [2022-11-22 02:49:47,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:49:47,868 INFO L225 Difference]: With dead ends: 35748 [2022-11-22 02:49:47,868 INFO L226 Difference]: Without dead ends: 17887 [2022-11-22 02:49:47,983 INFO L412 NwaCegarLoop]: 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 [2022-11-22 02:49:47,983 INFO L413 NwaCegarLoop]: 2966 mSDtfsCounter, 2 mSDsluCounter, 8885 mSDsCounter, 0 mSdLazyCounter, 1723 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11851 SdHoareTripleChecker+Invalid, 1724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1723 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-11-22 02:49:47,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11851 Invalid, 1724 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1723 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-11-22 02:49:47,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17887 states. [2022-11-22 02:49:49,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17887 to 17887. [2022-11-22 02:49:49,647 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) [2022-11-22 02:49:49,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17887 states to 17887 states and 25764 transitions. [2022-11-22 02:49:49,758 INFO L78 Accepts]: Start accepts. Automaton has 17887 states and 25764 transitions. Word has length 142 [2022-11-22 02:49:49,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:49:49,759 INFO L495 AbstractCegarLoop]: Abstraction has 17887 states and 25764 transitions. [2022-11-22 02:49:49,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (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) [2022-11-22 02:49:49,759 INFO L276 IsEmpty]: Start isEmpty. Operand 17887 states and 25764 transitions. [2022-11-22 02:49:49,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-11-22 02:49:49,762 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:49:49,762 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:49:49,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-22 02:49:49,763 INFO L420 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)] === [2022-11-22 02:49:49,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:49:49,763 INFO L85 PathProgramCache]: Analyzing trace with hash -411339409, now seen corresponding path program 1 times [2022-11-22 02:49:49,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:49:49,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262858956] [2022-11-22 02:49:49,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:49:49,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:49:49,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:49:50,252 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 02:49:50,252 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:49:50,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262858956] [2022-11-22 02:49:50,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262858956] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:49:50,253 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:49:50,253 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:49:50,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484324780] [2022-11-22 02:49:50,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:49:50,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:49:50,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:49:50,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:49:50,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:49:50,255 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) [2022-11-22 02:49:54,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:49:54,800 INFO L93 Difference]: Finished difference Result 17887 states and 25764 transitions. [2022-11-22 02:49:54,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:49:54,801 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 [2022-11-22 02:49:54,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:49:54,862 INFO L225 Difference]: With dead ends: 17887 [2022-11-22 02:49:54,862 INFO L226 Difference]: Without dead ends: 17885 [2022-11-22 02:49:54,871 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:49:54,872 INFO L413 NwaCegarLoop]: 2964 mSDtfsCounter, 3356 mSDsluCounter, 2964 mSDsCounter, 0 mSdLazyCounter, 853 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3358 SdHoareTripleChecker+Valid, 5928 SdHoareTripleChecker+Invalid, 853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 853 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-22 02:49:54,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3358 Valid, 5928 Invalid, 853 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 853 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-22 02:49:54,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17885 states. [2022-11-22 02:49:56,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17885 to 17885. [2022-11-22 02:49:56,839 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) [2022-11-22 02:49:56,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17885 states to 17885 states and 25761 transitions. [2022-11-22 02:49:56,920 INFO L78 Accepts]: Start accepts. Automaton has 17885 states and 25761 transitions. Word has length 117 [2022-11-22 02:49:56,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:49:56,920 INFO L495 AbstractCegarLoop]: Abstraction has 17885 states and 25761 transitions. [2022-11-22 02:49:56,920 INFO L496 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) [2022-11-22 02:49:56,921 INFO L276 IsEmpty]: Start isEmpty. Operand 17885 states and 25761 transitions. [2022-11-22 02:49:56,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-11-22 02:49:56,923 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:49:56,924 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:49:56,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-22 02:49:56,924 INFO L420 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)] === [2022-11-22 02:49:56,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:49:56,925 INFO L85 PathProgramCache]: Analyzing trace with hash -1782100161, now seen corresponding path program 1 times [2022-11-22 02:49:56,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:49:56,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546590151] [2022-11-22 02:49:56,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:49:56,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:49:57,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:49:57,773 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 02:49:57,773 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:49:57,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546590151] [2022-11-22 02:49:57,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546590151] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:49:57,774 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:49:57,774 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:49:57,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424234223] [2022-11-22 02:49:57,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:49:57,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:49:57,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:49:57,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:49:57,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:49:57,776 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) [2022-11-22 02:50:01,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:50:01,723 INFO L93 Difference]: Finished difference Result 17885 states and 25761 transitions. [2022-11-22 02:50:01,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:50:01,724 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 [2022-11-22 02:50:01,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:50:01,789 INFO L225 Difference]: With dead ends: 17885 [2022-11-22 02:50:01,789 INFO L226 Difference]: Without dead ends: 17883 [2022-11-22 02:50:01,799 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:50:01,800 INFO L413 NwaCegarLoop]: 2962 mSDtfsCounter, 3353 mSDsluCounter, 2962 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, 1.8s IncrementalHoareTripleChecker+Time [2022-11-22 02:50:01,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3355 Valid, 5924 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 853 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-22 02:50:01,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17883 states. [2022-11-22 02:50:03,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17883 to 17883. [2022-11-22 02:50:03,908 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) [2022-11-22 02:50:04,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17883 states to 17883 states and 25758 transitions. [2022-11-22 02:50:04,009 INFO L78 Accepts]: Start accepts. Automaton has 17883 states and 25758 transitions. Word has length 122 [2022-11-22 02:50:04,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:50:04,009 INFO L495 AbstractCegarLoop]: Abstraction has 17883 states and 25758 transitions. [2022-11-22 02:50:04,009 INFO L496 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) [2022-11-22 02:50:04,010 INFO L276 IsEmpty]: Start isEmpty. Operand 17883 states and 25758 transitions. [2022-11-22 02:50:04,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-11-22 02:50:04,013 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:50:04,014 INFO L195 NwaCegarLoop]: 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] [2022-11-22 02:50:04,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-22 02:50:04,014 INFO L420 AbstractCegarLoop]: === Iteration 26 === 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)] === [2022-11-22 02:50:04,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:50:04,015 INFO L85 PathProgramCache]: Analyzing trace with hash -1591580567, now seen corresponding path program 1 times [2022-11-22 02:50:04,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:50:04,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205017238] [2022-11-22 02:50:04,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:50:04,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:50:04,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:50:04,897 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2022-11-22 02:50:04,897 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:50:04,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205017238] [2022-11-22 02:50:04,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205017238] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:50:04,898 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:50:04,898 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 02:50:04,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495329995] [2022-11-22 02:50:04,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:50:04,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 02:50:04,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:50:04,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 02:50:04,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:50:04,901 INFO L87 Difference]: Start difference. First operand 17883 states and 25758 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) [2022-11-22 02:50:10,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:50:10,230 INFO L93 Difference]: Finished difference Result 35760 states and 53081 transitions. [2022-11-22 02:50:10,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 02:50:10,231 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 [2022-11-22 02:50:10,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:50:10,331 INFO L225 Difference]: With dead ends: 35760 [2022-11-22 02:50:10,331 INFO L226 Difference]: Without dead ends: 17891 [2022-11-22 02:50:10,419 INFO L412 NwaCegarLoop]: 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 [2022-11-22 02:50:10,420 INFO L413 NwaCegarLoop]: 2962 mSDtfsCounter, 2 mSDsluCounter, 8874 mSDsCounter, 0 mSdLazyCounter, 1722 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11836 SdHoareTripleChecker+Invalid, 1723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-22 02:50:10,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11836 Invalid, 1723 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1722 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-22 02:50:10,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17891 states. [2022-11-22 02:50:12,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17891 to 17891. [2022-11-22 02:50:12,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17891 states, 10851 states have (on average 1.2893742512210855) internal successors, (13991), 11328 states have internal predecessors, (13991), 5223 states have call successors, (5223), 1821 states have call predecessors, (5223), 1800 states have return successors, (6530), 4974 states have call predecessors, (6530), 5221 states have call successors, (6530) [2022-11-22 02:50:12,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17891 states to 17891 states and 25744 transitions. [2022-11-22 02:50:12,554 INFO L78 Accepts]: Start accepts. Automaton has 17891 states and 25744 transitions. Word has length 162 [2022-11-22 02:50:12,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:50:12,554 INFO L495 AbstractCegarLoop]: Abstraction has 17891 states and 25744 transitions. [2022-11-22 02:50:12,554 INFO L496 AbstractCegarLoop]: INTERPOLANT 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) [2022-11-22 02:50:12,555 INFO L276 IsEmpty]: Start isEmpty. Operand 17891 states and 25744 transitions. [2022-11-22 02:50:12,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-11-22 02:50:12,558 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:50:12,558 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:50:12,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-22 02:50:12,558 INFO L420 AbstractCegarLoop]: === Iteration 27 === 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)] === [2022-11-22 02:50:12,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:50:12,559 INFO L85 PathProgramCache]: Analyzing trace with hash -980590662, now seen corresponding path program 1 times [2022-11-22 02:50:12,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:50:12,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570910039] [2022-11-22 02:50:12,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:50:12,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:50:12,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:50:12,982 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 02:50:12,982 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:50:12,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570910039] [2022-11-22 02:50:12,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570910039] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:50:12,983 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:50:12,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:50:12,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55191043] [2022-11-22 02:50:12,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:50:12,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:50:12,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:50:12,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:50:12,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:50:12,985 INFO L87 Difference]: Start difference. First operand 17891 states and 25744 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) [2022-11-22 02:50:20,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:50:20,309 INFO L93 Difference]: Finished difference Result 53153 states and 82886 transitions. [2022-11-22 02:50:20,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 02:50:20,310 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 [2022-11-22 02:50:20,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:50:20,449 INFO L225 Difference]: With dead ends: 53153 [2022-11-22 02:50:20,450 INFO L226 Difference]: Without dead ends: 35276 [2022-11-22 02:50:20,554 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:50:20,557 INFO L413 NwaCegarLoop]: 3724 mSDtfsCounter, 3342 mSDsluCounter, 6693 mSDsCounter, 0 mSdLazyCounter, 1283 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3344 SdHoareTripleChecker+Valid, 10417 SdHoareTripleChecker+Invalid, 1287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-22 02:50:20,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3344 Valid, 10417 Invalid, 1287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1283 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-22 02:50:20,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35276 states. [2022-11-22 02:50:24,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35276 to 35201. [2022-11-22 02:50:24,871 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) [2022-11-22 02:50:25,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35201 states to 35201 states and 53883 transitions. [2022-11-22 02:50:25,232 INFO L78 Accepts]: Start accepts. Automaton has 35201 states and 53883 transitions. Word has length 127 [2022-11-22 02:50:25,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:50:25,232 INFO L495 AbstractCegarLoop]: Abstraction has 35201 states and 53883 transitions. [2022-11-22 02:50:25,233 INFO L496 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) [2022-11-22 02:50:25,233 INFO L276 IsEmpty]: Start isEmpty. Operand 35201 states and 53883 transitions. [2022-11-22 02:50:25,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-11-22 02:50:25,235 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:50:25,236 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:50:25,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-22 02:50:25,236 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_linux_net_sock_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)] === [2022-11-22 02:50:25,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:50:25,237 INFO L85 PathProgramCache]: Analyzing trace with hash -959283641, now seen corresponding path program 1 times [2022-11-22 02:50:25,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:50:25,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485740274] [2022-11-22 02:50:25,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:50:25,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:50:25,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:50:25,639 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 02:50:25,639 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:50:25,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485740274] [2022-11-22 02:50:25,639 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485740274] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:50:25,639 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:50:25,640 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:50:25,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930462904] [2022-11-22 02:50:25,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:50:25,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:50:25,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:50:25,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:50:25,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:50:25,647 INFO L87 Difference]: Start difference. First operand 35201 states and 53883 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-22 02:50:32,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:50:32,063 INFO L93 Difference]: Finished difference Result 35201 states and 53883 transitions. [2022-11-22 02:50:32,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:50:32,064 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 132 [2022-11-22 02:50:32,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:50:32,174 INFO L225 Difference]: With dead ends: 35201 [2022-11-22 02:50:32,174 INFO L226 Difference]: Without dead ends: 35199 [2022-11-22 02:50:32,186 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:50:32,187 INFO L413 NwaCegarLoop]: 2960 mSDtfsCounter, 3349 mSDsluCounter, 2960 mSDsCounter, 0 mSdLazyCounter, 853 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3351 SdHoareTripleChecker+Valid, 5920 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 [2022-11-22 02:50:32,187 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3351 Valid, 5920 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 853 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-22 02:50:32,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35199 states. [2022-11-22 02:50:36,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35199 to 35199. [2022-11-22 02:50:36,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35199 states, 21368 states have (on average 1.2895919131411457) internal successors, (27556), 22312 states have internal predecessors, (27556), 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) [2022-11-22 02:50:36,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35199 states to 35199 states and 53880 transitions. [2022-11-22 02:50:36,598 INFO L78 Accepts]: Start accepts. Automaton has 35199 states and 53880 transitions. Word has length 132 [2022-11-22 02:50:36,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:50:36,599 INFO L495 AbstractCegarLoop]: Abstraction has 35199 states and 53880 transitions. [2022-11-22 02:50:36,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-22 02:50:36,599 INFO L276 IsEmpty]: Start isEmpty. Operand 35199 states and 53880 transitions. [2022-11-22 02:50:36,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-11-22 02:50:36,602 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:50:36,603 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:50:36,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-22 02:50:36,603 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_linux_usb_coherent_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)] === [2022-11-22 02:50:36,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:50:36,603 INFO L85 PathProgramCache]: Analyzing trace with hash -818377586, now seen corresponding path program 1 times [2022-11-22 02:50:36,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:50:36,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399696147] [2022-11-22 02:50:36,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:50:36,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:50:36,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:50:37,026 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-22 02:50:37,026 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:50:37,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399696147] [2022-11-22 02:50:37,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399696147] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:50:37,027 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:50:37,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:50:37,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101343030] [2022-11-22 02:50:37,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:50:37,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:50:37,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:50:37,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:50:37,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:50:37,029 INFO L87 Difference]: Start difference. First operand 35199 states and 53880 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26)