./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--ethernet--qlogic--qlge--qlge.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/bin/utaipan-eEHZpOm5b7 --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 1bc7547cdb39f2ba95c33e19f5c3f9dcbde8eb53e3332f9361a900d34f55aa51 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 20:11:04,008 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 20:11:04,011 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 20:11:04,065 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 20:11:04,066 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 20:11:04,067 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 20:11:04,069 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 20:11:04,071 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 20:11:04,074 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 20:11:04,075 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 20:11:04,076 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 20:11:04,078 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 20:11:04,079 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 20:11:04,080 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 20:11:04,082 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 20:11:04,084 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 20:11:04,085 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 20:11:04,086 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 20:11:04,088 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 20:11:04,091 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 20:11:04,093 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 20:11:04,095 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 20:11:04,096 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 20:11:04,098 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 20:11:04,102 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 20:11:04,102 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 20:11:04,103 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 20:11:04,104 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 20:11:04,104 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 20:11:04,106 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 20:11:04,106 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 20:11:04,107 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 20:11:04,108 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 20:11:04,109 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 20:11:04,110 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 20:11:04,111 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 20:11:04,111 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 20:11:04,112 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 20:11:04,112 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 20:11:04,113 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 20:11:04,114 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 20:11:04,115 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 20:11:04,141 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 20:11:04,145 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 20:11:04,145 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 20:11:04,146 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 20:11:04,153 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 20:11:04,153 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 20:11:04,153 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 20:11:04,154 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 20:11:04,154 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 20:11:04,154 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 20:11:04,155 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 20:11:04,155 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 20:11:04,155 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 20:11:04,156 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 20:11:04,156 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 20:11:04,156 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 20:11:04,156 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 20:11:04,157 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 20:11:04,157 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 20:11:04,158 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 20:11:04,159 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 20:11:04,159 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 20:11:04,159 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 20:11:04,159 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 20:11:04,159 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 20:11:04,160 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 20:11:04,161 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 20:11:04,161 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 20:11:04,162 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 20:11:04,162 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:11:04,162 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 20:11:04,163 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 20:11:04,163 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 20:11:04,163 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 20:11:04,163 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 20:11:04,163 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 20:11:04,164 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 20:11:04,164 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 20:11:04,164 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1bc7547cdb39f2ba95c33e19f5c3f9dcbde8eb53e3332f9361a900d34f55aa51 [2021-11-25 20:11:04,433 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 20:11:04,458 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 20:11:04,461 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 20:11:04,462 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 20:11:04,463 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 20:11:04,464 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i [2021-11-25 20:11:04,534 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/bin/utaipan-eEHZpOm5b7/data/995df52e8/d7aa4134987b4693bc4442e54b4a8c58/FLAGa40188566 [2021-11-25 20:11:05,639 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 20:11:05,640 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i [2021-11-25 20:11:05,706 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/bin/utaipan-eEHZpOm5b7/data/995df52e8/d7aa4134987b4693bc4442e54b4a8c58/FLAGa40188566 [2021-11-25 20:11:05,896 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/bin/utaipan-eEHZpOm5b7/data/995df52e8/d7aa4134987b4693bc4442e54b4a8c58 [2021-11-25 20:11:05,898 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 20:11:05,899 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 20:11:05,901 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 20:11:05,901 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 20:11:05,906 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 20:11:05,907 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:11:05" (1/1) ... [2021-11-25 20:11:05,909 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@622c07de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:11:05, skipping insertion in model container [2021-11-25 20:11:05,909 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:11:05" (1/1) ... [2021-11-25 20:11:05,916 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 20:11:06,203 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 20:11:16,274 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[739448,739461] [2021-11-25 20:11:16,277 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[739593,739606] [2021-11-25 20:11:16,278 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[739739,739752] [2021-11-25 20:11:16,278 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[739904,739917] [2021-11-25 20:11:16,279 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[740062,740075] [2021-11-25 20:11:16,279 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[740220,740233] [2021-11-25 20:11:16,280 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[740378,740391] [2021-11-25 20:11:16,281 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[740538,740551] [2021-11-25 20:11:16,281 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[740697,740710] [2021-11-25 20:11:16,282 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[740836,740849] [2021-11-25 20:11:16,282 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[740978,740991] [2021-11-25 20:11:16,283 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[741127,741140] [2021-11-25 20:11:16,283 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[741266,741279] [2021-11-25 20:11:16,284 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[741421,741434] [2021-11-25 20:11:16,284 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[741581,741594] [2021-11-25 20:11:16,285 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[741732,741745] [2021-11-25 20:11:16,285 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[741883,741896] [2021-11-25 20:11:16,286 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[742035,742048] [2021-11-25 20:11:16,286 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[742184,742197] [2021-11-25 20:11:16,287 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[742332,742345] [2021-11-25 20:11:16,288 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[742489,742502] [2021-11-25 20:11:16,288 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[742638,742651] [2021-11-25 20:11:16,289 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[742794,742807] [2021-11-25 20:11:16,289 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[742947,742960] [2021-11-25 20:11:16,290 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[743093,743106] [2021-11-25 20:11:16,290 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[743236,743249] [2021-11-25 20:11:16,291 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[743388,743401] [2021-11-25 20:11:16,292 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[743534,743547] [2021-11-25 20:11:16,293 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[743679,743692] [2021-11-25 20:11:16,293 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[743833,743846] [2021-11-25 20:11:16,294 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[743984,743997] [2021-11-25 20:11:16,294 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[744139,744152] [2021-11-25 20:11:16,295 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[744291,744304] [2021-11-25 20:11:16,295 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[744446,744459] [2021-11-25 20:11:16,296 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[744610,744623] [2021-11-25 20:11:16,296 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[744766,744779] [2021-11-25 20:11:16,297 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[744930,744943] [2021-11-25 20:11:16,297 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[745072,745085] [2021-11-25 20:11:16,298 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[745230,745243] [2021-11-25 20:11:16,298 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[745397,745410] [2021-11-25 20:11:16,299 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[745556,745569] [2021-11-25 20:11:16,299 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[745715,745728] [2021-11-25 20:11:16,300 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[745864,745877] [2021-11-25 20:11:16,300 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[746011,746024] [2021-11-25 20:11:16,301 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[746150,746163] [2021-11-25 20:11:16,301 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[746313,746326] [2021-11-25 20:11:16,302 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[746479,746492] [2021-11-25 20:11:16,302 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[746643,746656] [2021-11-25 20:11:16,303 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[746808,746821] [2021-11-25 20:11:16,303 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[746973,746986] [2021-11-25 20:11:16,304 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[747139,747152] [2021-11-25 20:11:16,304 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[747304,747317] [2021-11-25 20:11:16,305 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[747471,747484] [2021-11-25 20:11:16,305 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[747631,747644] [2021-11-25 20:11:16,306 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[747793,747806] [2021-11-25 20:11:16,306 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[747952,747965] [2021-11-25 20:11:16,307 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[748098,748111] [2021-11-25 20:11:16,307 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[748241,748254] [2021-11-25 20:11:16,308 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[748385,748398] [2021-11-25 20:11:16,308 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[748528,748541] [2021-11-25 20:11:16,309 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[748672,748685] [2021-11-25 20:11:16,309 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[748813,748826] [2021-11-25 20:11:16,310 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[748951,748964] [2021-11-25 20:11:16,310 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[749109,749122] [2021-11-25 20:11:16,311 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[749268,749281] [2021-11-25 20:11:16,311 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[749424,749437] [2021-11-25 20:11:16,312 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[749573,749586] [2021-11-25 20:11:16,312 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[749725,749738] [2021-11-25 20:11:16,313 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[749876,749889] [2021-11-25 20:11:16,313 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[750025,750038] [2021-11-25 20:11:16,314 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[750177,750190] [2021-11-25 20:11:16,314 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[750325,750338] [2021-11-25 20:11:16,315 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[750478,750491] [2021-11-25 20:11:16,315 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[750629,750642] [2021-11-25 20:11:16,316 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[750779,750792] [2021-11-25 20:11:16,316 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[750926,750939] [2021-11-25 20:11:16,317 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[751077,751090] [2021-11-25 20:11:16,317 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[751228,751241] [2021-11-25 20:11:16,318 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[751376,751389] [2021-11-25 20:11:16,318 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[751542,751555] [2021-11-25 20:11:16,319 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[751711,751724] [2021-11-25 20:11:16,319 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[751878,751891] [2021-11-25 20:11:16,320 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[752046,752059] [2021-11-25 20:11:16,320 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[752196,752209] [2021-11-25 20:11:16,321 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[752343,752356] [2021-11-25 20:11:16,321 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[752504,752517] [2021-11-25 20:11:16,322 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[752674,752687] [2021-11-25 20:11:16,322 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[752836,752849] [2021-11-25 20:11:16,357 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:11:16,457 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 20:11:17,250 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[739448,739461] [2021-11-25 20:11:17,251 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[739593,739606] [2021-11-25 20:11:17,251 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[739739,739752] [2021-11-25 20:11:17,252 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[739904,739917] [2021-11-25 20:11:17,252 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[740062,740075] [2021-11-25 20:11:17,253 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[740220,740233] [2021-11-25 20:11:17,253 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[740378,740391] [2021-11-25 20:11:17,254 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[740538,740551] [2021-11-25 20:11:17,254 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[740697,740710] [2021-11-25 20:11:17,254 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[740836,740849] [2021-11-25 20:11:17,255 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[740978,740991] [2021-11-25 20:11:17,255 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[741127,741140] [2021-11-25 20:11:17,256 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[741266,741279] [2021-11-25 20:11:17,256 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[741421,741434] [2021-11-25 20:11:17,257 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[741581,741594] [2021-11-25 20:11:17,257 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[741732,741745] [2021-11-25 20:11:17,258 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[741883,741896] [2021-11-25 20:11:17,258 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[742035,742048] [2021-11-25 20:11:17,259 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[742184,742197] [2021-11-25 20:11:17,259 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[742332,742345] [2021-11-25 20:11:17,259 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[742489,742502] [2021-11-25 20:11:17,260 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[742638,742651] [2021-11-25 20:11:17,260 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[742794,742807] [2021-11-25 20:11:17,261 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[742947,742960] [2021-11-25 20:11:17,261 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[743093,743106] [2021-11-25 20:11:17,262 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[743236,743249] [2021-11-25 20:11:17,262 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[743388,743401] [2021-11-25 20:11:17,262 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[743534,743547] [2021-11-25 20:11:17,263 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[743679,743692] [2021-11-25 20:11:17,263 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[743833,743846] [2021-11-25 20:11:17,264 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[743984,743997] [2021-11-25 20:11:17,264 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[744139,744152] [2021-11-25 20:11:17,265 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[744291,744304] [2021-11-25 20:11:17,265 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[744446,744459] [2021-11-25 20:11:17,265 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[744610,744623] [2021-11-25 20:11:17,266 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[744766,744779] [2021-11-25 20:11:17,266 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[744930,744943] [2021-11-25 20:11:17,267 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[745072,745085] [2021-11-25 20:11:17,267 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[745230,745243] [2021-11-25 20:11:17,267 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[745397,745410] [2021-11-25 20:11:17,268 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[745556,745569] [2021-11-25 20:11:17,268 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[745715,745728] [2021-11-25 20:11:17,269 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[745864,745877] [2021-11-25 20:11:17,269 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[746011,746024] [2021-11-25 20:11:17,270 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[746150,746163] [2021-11-25 20:11:17,270 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[746313,746326] [2021-11-25 20:11:17,270 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[746479,746492] [2021-11-25 20:11:17,271 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[746643,746656] [2021-11-25 20:11:17,271 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[746808,746821] [2021-11-25 20:11:17,272 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[746973,746986] [2021-11-25 20:11:17,272 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[747139,747152] [2021-11-25 20:11:17,272 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[747304,747317] [2021-11-25 20:11:17,273 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[747471,747484] [2021-11-25 20:11:17,273 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[747631,747644] [2021-11-25 20:11:17,274 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[747793,747806] [2021-11-25 20:11:17,274 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[747952,747965] [2021-11-25 20:11:17,275 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[748098,748111] [2021-11-25 20:11:17,275 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[748241,748254] [2021-11-25 20:11:17,275 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[748385,748398] [2021-11-25 20:11:17,276 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[748528,748541] [2021-11-25 20:11:17,276 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[748672,748685] [2021-11-25 20:11:17,277 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[748813,748826] [2021-11-25 20:11:17,277 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[748951,748964] [2021-11-25 20:11:17,277 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[749109,749122] [2021-11-25 20:11:17,278 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[749268,749281] [2021-11-25 20:11:17,278 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[749424,749437] [2021-11-25 20:11:17,279 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[749573,749586] [2021-11-25 20:11:17,279 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[749725,749738] [2021-11-25 20:11:17,280 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[749876,749889] [2021-11-25 20:11:17,280 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[750025,750038] [2021-11-25 20:11:17,280 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[750177,750190] [2021-11-25 20:11:17,281 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[750325,750338] [2021-11-25 20:11:17,281 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[750478,750491] [2021-11-25 20:11:17,282 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[750629,750642] [2021-11-25 20:11:17,282 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[750779,750792] [2021-11-25 20:11:17,282 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[750926,750939] [2021-11-25 20:11:17,283 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[751077,751090] [2021-11-25 20:11:17,283 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[751228,751241] [2021-11-25 20:11:17,284 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[751376,751389] [2021-11-25 20:11:17,284 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[751542,751555] [2021-11-25 20:11:17,284 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[751711,751724] [2021-11-25 20:11:17,285 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[751878,751891] [2021-11-25 20:11:17,285 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[752046,752059] [2021-11-25 20:11:17,286 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[752196,752209] [2021-11-25 20:11:17,286 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[752343,752356] [2021-11-25 20:11:17,287 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[752504,752517] [2021-11-25 20:11:17,287 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[752674,752687] [2021-11-25 20:11:17,287 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i[752836,752849] [2021-11-25 20:11:17,294 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:11:18,178 INFO L208 MainTranslator]: Completed translation [2021-11-25 20:11:18,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:11:18 WrapperNode [2021-11-25 20:11:18,178 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 20:11:18,179 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 20:11:18,180 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 20:11:18,180 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 20:11:18,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:11:18" (1/1) ... [2021-11-25 20:11:18,390 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:11:18" (1/1) ... [2021-11-25 20:11:19,078 INFO L137 Inliner]: procedures = 1027, calls = 7914, calls flagged for inlining = 492, calls inlined = 395, statements flattened = 16094 [2021-11-25 20:11:19,079 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 20:11:19,080 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 20:11:19,080 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 20:11:19,080 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 20:11:19,089 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:11:18" (1/1) ... [2021-11-25 20:11:19,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:11:18" (1/1) ... [2021-11-25 20:11:19,246 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:11:18" (1/1) ... [2021-11-25 20:11:19,247 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:11:18" (1/1) ... [2021-11-25 20:11:19,673 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:11:18" (1/1) ... [2021-11-25 20:11:19,726 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:11:18" (1/1) ... [2021-11-25 20:11:19,792 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:11:18" (1/1) ... [2021-11-25 20:11:19,878 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 20:11:19,879 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 20:11:19,879 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 20:11:19,879 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 20:11:19,880 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:11:18" (1/1) ... [2021-11-25 20:11:19,888 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:11:19,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:11:19,912 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 20:11:19,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 20:11:19,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_129 [2021-11-25 20:11:19,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_129 [2021-11-25 20:11:19,961 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2021-11-25 20:11:19,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2021-11-25 20:11:19,962 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-11-25 20:11:19,962 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-25 20:11:19,962 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-25 20:11:19,962 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_irq [2021-11-25 20:11:19,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_irq [2021-11-25 20:11:19,962 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_both_serdes [2021-11-25 20:11:19,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_both_serdes [2021-11-25 20:11:19,963 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg [2021-11-25 20:11:19,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg [2021-11-25 20:11:19,963 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_reset [2021-11-25 20:11:19,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_reset [2021-11-25 20:11:19,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-25 20:11:19,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-25 20:11:19,964 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2021-11-25 20:11:19,964 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2021-11-25 20:11:19,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-25 20:11:19,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-25 20:11:19,965 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-25 20:11:19,965 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-25 20:11:19,965 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-25 20:11:19,965 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-25 20:11:19,966 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2021-11-25 20:11:19,966 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2021-11-25 20:11:19,966 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_all [2021-11-25 20:11:19,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_all [2021-11-25 20:11:19,966 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2021-11-25 20:11:19,967 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2021-11-25 20:11:19,967 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-25 20:11:19,967 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-25 20:11:19,967 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-25 20:11:19,967 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-25 20:11:19,967 INFO L130 BoogieDeclarations]: Found specification of procedure ql_dump_risc_ram_area [2021-11-25 20:11:19,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_dump_risc_ram_area [2021-11-25 20:11:19,968 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_other_func_reg [2021-11-25 20:11:19,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_other_func_reg [2021-11-25 20:11:19,968 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-25 20:11:19,968 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-25 20:11:19,968 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_xgmac_regs [2021-11-25 20:11:19,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_xgmac_regs [2021-11-25 20:11:19,969 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_buffer_queues [2021-11-25 20:11:19,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_buffer_queues [2021-11-25 20:11:19,969 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_cam_entries [2021-11-25 20:11:19,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_cam_entries [2021-11-25 20:11:19,970 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_mem_resources [2021-11-25 20:11:19,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_mem_resources [2021-11-25 20:11:19,970 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-25 20:11:19,970 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-25 20:11:19,970 INFO L130 BoogieDeclarations]: Found specification of procedure ql_eeh_close [2021-11-25 20:11:19,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_eeh_close [2021-11-25 20:11:19,971 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2021-11-25 20:11:19,971 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_receive_skb [2021-11-25 20:11:19,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-25 20:11:19,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-25 20:11:19,971 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-25 20:11:19,972 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-25 20:11:19,972 INFO L130 BoogieDeclarations]: Found specification of procedure skb_record_rx_queue [2021-11-25 20:11:19,972 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_record_rx_queue [2021-11-25 20:11:19,972 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-11-25 20:11:19,972 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-11-25 20:11:19,972 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-25 20:11:19,973 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-25 20:11:19,973 INFO L130 BoogieDeclarations]: Found specification of procedure ql_build_coredump_seg_header [2021-11-25 20:11:19,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_build_coredump_seg_header [2021-11-25 20:11:19,973 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_close [2021-11-25 20:11:19,973 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_close [2021-11-25 20:11:19,974 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mb_sts [2021-11-25 20:11:19,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mb_sts [2021-11-25 20:11:19,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-25 20:11:19,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-25 20:11:19,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_hw_lock_of_ql_adapter [2021-11-25 20:11:19,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_hw_lock_of_ql_adapter [2021-11-25 20:11:19,975 INFO L130 BoogieDeclarations]: Found specification of procedure pci_zalloc_consistent [2021-11-25 20:11:19,975 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_zalloc_consistent [2021-11-25 20:11:19,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-25 20:11:19,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-25 20:11:19,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 20:11:19,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-25 20:11:19,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-25 20:11:19,976 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-11-25 20:11:19,976 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-11-25 20:11:19,976 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-11-25 20:11:19,977 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-11-25 20:11:19,977 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2021-11-25 20:11:19,977 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2021-11-25 20:11:19,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-25 20:11:19,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-25 20:11:19,977 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-11-25 20:11:19,978 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-11-25 20:11:19,978 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-25 20:11:19,978 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-25 20:11:19,978 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write32 [2021-11-25 20:11:19,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write32 [2021-11-25 20:11:19,979 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cam_route_initialize [2021-11-25 20:11:19,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cam_route_initialize [2021-11-25 20:11:19,979 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-25 20:11:19,979 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-25 20:11:19,979 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-25 20:11:19,980 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-25 20:11:19,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-25 20:11:19,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-25 20:11:19,980 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_other_func_reg_rdy [2021-11-25 20:11:19,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_other_func_reg_rdy [2021-11-25 20:11:19,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 20:11:19,981 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_mpi_reg [2021-11-25 20:11:19,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_mpi_reg [2021-11-25 20:11:19,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-11-25 20:11:19,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2021-11-25 20:11:19,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-25 20:11:19,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-25 20:11:19,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 20:11:19,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-25 20:11:19,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-25 20:11:19,982 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-25 20:11:19,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-25 20:11:19,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 20:11:19,983 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-25 20:11:19,983 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_unlock [2021-11-25 20:11:19,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_unlock [2021-11-25 20:11:19,983 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-25 20:11:19,983 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-25 20:11:19,983 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8012_flash_params [2021-11-25 20:11:19,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8012_flash_params [2021-11-25 20:11:19,984 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-25 20:11:19,984 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-25 20:11:19,984 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_serdes_reg [2021-11-25 20:11:19,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_serdes_reg [2021-11-25 20:11:19,985 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-25 20:11:19,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-25 20:11:19,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_150 [2021-11-25 20:11:19,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_150 [2021-11-25 20:11:19,985 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-25 20:11:19,985 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-25 20:11:19,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-25 20:11:19,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-25 20:11:19,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2021-11-25 20:11:19,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2021-11-25 20:11:19,987 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-11-25 20:11:19,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-11-25 20:11:19,987 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8000_port_initialize [2021-11-25 20:11:19,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8000_port_initialize [2021-11-25 20:11:19,987 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-25 20:11:19,987 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-25 20:11:19,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 20:11:19,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 20:11:19,988 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8012_port_initialize [2021-11-25 20:11:19,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8012_port_initialize [2021-11-25 20:11:19,988 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_flash_word [2021-11-25 20:11:19,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_flash_word [2021-11-25 20:11:19,989 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-25 20:11:19,989 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-25 20:11:19,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-25 20:11:19,989 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2021-11-25 20:11:19,989 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2021-11-25 20:11:19,989 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-25 20:11:19,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-25 20:11:19,990 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-11-25 20:11:19,990 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-11-25 20:11:19,990 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-25 20:11:19,990 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-25 20:11:19,990 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-25 20:11:19,991 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cq_idx [2021-11-25 20:11:19,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cq_idx [2021-11-25 20:11:19,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-25 20:11:19,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-25 20:11:19,991 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_on [2021-11-25 20:11:19,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_on [2021-11-25 20:11:19,991 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_receive [2021-11-25 20:11:19,992 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_receive [2021-11-25 20:11:19,992 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2021-11-25 20:11:19,992 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2021-11-25 20:11:19,992 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-25 20:11:19,992 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-25 20:11:19,992 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-11-25 20:11:19,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-11-25 20:11:19,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 20:11:19,993 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 20:11:19,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2021-11-25 20:11:19,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2021-11-25 20:11:19,993 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-25 20:11:19,994 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-25 20:11:19,994 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_cq [2021-11-25 20:11:19,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_cq [2021-11-25 20:11:19,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-25 20:11:19,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-25 20:11:19,994 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-25 20:11:19,995 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-25 20:11:19,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-25 20:11:19,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-25 20:11:19,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 20:11:19,995 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-25 20:11:19,995 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-25 20:11:19,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-25 20:11:19,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-25 20:11:19,996 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_sbuf [2021-11-25 20:11:19,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_sbuf [2021-11-25 20:11:19,996 INFO L130 BoogieDeclarations]: Found specification of procedure ql_realign_skb [2021-11-25 20:11:19,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_realign_skb [2021-11-25 20:11:19,997 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_routing_entries [2021-11-25 20:11:19,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_routing_entries [2021-11-25 20:11:19,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 20:11:19,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_mpi_mutex_of_ql_adapter [2021-11-25 20:11:19,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_mpi_mutex_of_ql_adapter [2021-11-25 20:11:19,998 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2021-11-25 20:11:19,998 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2021-11-25 20:11:19,998 INFO L130 BoogieDeclarations]: Found specification of procedure ql_process_mac_split_rx_intr [2021-11-25 20:11:19,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_process_mac_split_rx_intr [2021-11-25 20:11:19,998 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_suspend [2021-11-25 20:11:19,998 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_suspend [2021-11-25 20:11:19,999 INFO L130 BoogieDeclarations]: Found specification of procedure __vlan_hwaccel_put_tag [2021-11-25 20:11:19,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __vlan_hwaccel_put_tag [2021-11-25 20:11:19,999 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-25 20:11:19,999 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-25 20:11:19,999 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cancel_all_work_sync [2021-11-25 20:11:19,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cancel_all_work_sync [2021-11-25 20:11:20,000 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-25 20:11:20,000 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-25 20:11:20,000 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-25 20:11:20,000 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-25 20:11:20,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-25 20:11:20,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-25 20:11:20,001 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-11-25 20:11:20,001 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-11-25 20:11:20,001 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-11-25 20:11:20,001 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-11-25 20:11:20,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-25 20:11:20,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-25 20:11:20,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-25 20:11:20,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-25 20:11:20,002 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-25 20:11:20,002 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-25 20:11:20,002 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2021-11-25 20:11:20,003 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2021-11-25 20:11:20,003 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-25 20:11:20,003 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-25 20:11:20,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-25 20:11:20,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-25 20:11:20,003 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_get_port_cfg [2021-11-25 20:11:20,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_get_port_cfg [2021-11-25 20:11:20,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 20:11:20,004 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2021-11-25 20:11:20,004 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2021-11-25 20:11:20,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-25 20:11:20,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-25 20:11:20,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_10_2 [2021-11-25 20:11:20,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_10_2 [2021-11-25 20:11:20,005 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_down [2021-11-25 20:11:20,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_down [2021-11-25 20:11:20,005 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_fw_error [2021-11-25 20:11:20,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_fw_error [2021-11-25 20:11:20,005 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_handler [2021-11-25 20:11:20,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_handler [2021-11-25 20:11:20,006 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg64 [2021-11-25 20:11:20,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg64 [2021-11-25 20:11:20,006 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-25 20:11:20,006 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-25 20:11:20,006 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_mgmnt_traffic_ctl [2021-11-25 20:11:20,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_mgmnt_traffic_ctl [2021-11-25 20:11:20,007 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_reg [2021-11-25 20:11:20,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_reg [2021-11-25 20:11:20,007 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_reg_rdy [2021-11-25 20:11:20,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_reg_rdy [2021-11-25 20:11:20,007 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-25 20:11:20,007 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-25 20:11:20,007 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_led_cfg [2021-11-25 20:11:20,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_led_cfg [2021-11-25 20:11:20,008 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cfg [2021-11-25 20:11:20,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cfg [2021-11-25 20:11:20,008 INFO L130 BoogieDeclarations]: Found specification of procedure ql_lbq_block_size [2021-11-25 20:11:20,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_lbq_block_size [2021-11-25 20:11:20,008 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-25 20:11:20,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-25 20:11:20,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_128 [2021-11-25 20:11:20,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_128 [2021-11-25 20:11:20,009 INFO L130 BoogieDeclarations]: Found specification of procedure netif_get_num_default_rss_queues [2021-11-25 20:11:20,009 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_get_num_default_rss_queues [2021-11-25 20:11:20,009 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_ets_regs [2021-11-25 20:11:20,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_ets_regs [2021-11-25 20:11:20,010 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_cfg [2021-11-25 20:11:20,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_cfg [2021-11-25 20:11:20,010 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-25 20:11:20,010 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-25 20:11:20,010 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-11-25 20:11:20,010 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read32 [2021-11-25 20:11:20,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read32 [2021-11-25 20:11:20,011 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_intr_states [2021-11-25 20:11:20,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_intr_states [2021-11-25 20:11:20,011 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2021-11-25 20:11:20,011 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2021-11-25 20:11:20,011 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-25 20:11:20,011 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-25 20:11:20,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-25 20:11:20,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-25 20:11:20,012 INFO L130 BoogieDeclarations]: Found specification of procedure ql_timer [2021-11-25 20:11:20,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_timer [2021-11-25 20:11:20,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-25 20:11:20,012 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-25 20:11:20,013 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-11-25 20:11:20,013 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-11-25 20:11:20,013 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-11-25 20:11:20,013 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-11-25 20:11:20,013 INFO L130 BoogieDeclarations]: Found specification of procedure ql_enable_completion_interrupt [2021-11-25 20:11:20,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_enable_completion_interrupt [2021-11-25 20:11:20,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 20:11:20,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 20:11:20,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_remap [2021-11-25 20:11:20,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_remap [2021-11-25 20:11:20,014 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-25 20:11:20,014 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-25 20:11:20,014 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_send [2021-11-25 20:11:20,015 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_send [2021-11-25 20:11:20,015 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-11-25 20:11:20,015 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-11-25 20:11:20,015 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-25 20:11:20,015 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-25 20:11:20,015 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2021-11-25 20:11:20,016 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2021-11-25 20:11:20,016 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-25 20:11:20,016 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-25 20:11:20,016 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_regs_len [2021-11-25 20:11:20,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_regs_len [2021-11-25 20:11:20,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-25 20:11:20,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-25 20:11:20,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-25 20:11:20,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-25 20:11:20,017 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_io_resume [2021-11-25 20:11:20,017 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_io_resume [2021-11-25 20:11:20,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_5 [2021-11-25 20:11:20,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_5 [2021-11-25 20:11:20,018 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-25 20:11:20,018 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-25 20:11:20,018 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_shutdown [2021-11-25 20:11:20,018 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_shutdown [2021-11-25 20:11:20,018 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_mac_hdr_len [2021-11-25 20:11:20,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_mac_hdr_len [2021-11-25 20:11:20,019 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mailbox_command [2021-11-25 20:11:20,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mailbox_command [2021-11-25 20:11:20,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-25 20:11:20,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-25 20:11:20,019 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_irq_mask [2021-11-25 20:11:20,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_irq_mask [2021-11-25 20:11:20,020 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-25 20:11:20,020 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-25 20:11:20,020 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-25 20:11:20,020 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-25 20:11:20,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-25 20:11:20,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-25 20:11:20,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-25 20:11:20,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-25 20:11:20,021 INFO L130 BoogieDeclarations]: Found specification of procedure __qlge_vlan_rx_add_vid [2021-11-25 20:11:20,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __qlge_vlan_rx_add_vid [2021-11-25 20:11:20,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_5_2 [2021-11-25 20:11:20,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_5_2 [2021-11-25 20:11:20,022 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-25 20:11:20,022 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-25 20:11:20,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 20:11:20,022 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_asic_error [2021-11-25 20:11:20,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_asic_error [2021-11-25 20:11:20,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-25 20:11:20,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-25 20:11:20,023 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_xgmac_reg [2021-11-25 20:11:20,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_xgmac_reg [2021-11-25 20:11:20,023 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_up [2021-11-25 20:11:20,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_up [2021-11-25 20:11:20,023 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-25 20:11:20,024 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-25 20:11:20,024 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr_reg [2021-11-25 20:11:20,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr_reg [2021-11-25 20:11:20,024 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-11-25 20:11:20,024 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-11-25 20:11:20,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-25 20:11:20,025 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_serdes_reg [2021-11-25 20:11:20,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_serdes_reg [2021-11-25 20:11:20,025 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-25 20:11:20,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-25 20:11:20,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-25 20:11:20,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-11-25 20:11:20,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-11-25 20:11:20,026 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_open [2021-11-25 20:11:20,026 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_open [2021-11-25 20:11:20,026 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-25 20:11:20,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-25 20:11:20,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-25 20:11:20,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-25 20:11:20,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-25 20:11:20,027 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-25 20:11:20,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-25 20:11:20,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-25 20:11:20,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-25 20:11:20,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-25 20:11:20,028 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_probe [2021-11-25 20:11:20,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_probe [2021-11-25 20:11:20,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-25 20:11:20,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-25 20:11:20,028 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_buffers [2021-11-25 20:11:20,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_buffers [2021-11-25 20:11:20,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-25 20:11:20,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-25 20:11:20,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_hw_lock_of_ql_adapter [2021-11-25 20:11:20,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_hw_lock_of_ql_adapter [2021-11-25 20:11:20,029 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_trylock [2021-11-25 20:11:20,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_trylock [2021-11-25 20:11:20,029 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_port_cfg [2021-11-25 20:11:20,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_port_cfg [2021-11-25 20:11:20,030 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2021-11-25 20:11:20,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2021-11-25 20:11:20,030 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_spinlock [2021-11-25 20:11:20,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_spinlock [2021-11-25 20:11:20,030 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-25 20:11:20,031 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-25 20:11:20,031 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-25 20:11:20,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-25 20:11:20,031 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_completion_interrupt [2021-11-25 20:11:20,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_completion_interrupt [2021-11-25 20:11:20,031 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_fill_page_desc [2021-11-25 20:11:20,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_fill_page_desc [2021-11-25 20:11:20,032 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-25 20:11:20,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-25 20:11:20,032 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clear_routing_entries [2021-11-25 20:11:20,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clear_routing_entries [2021-11-25 20:11:20,032 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-25 20:11:20,032 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-25 20:11:20,033 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_off [2021-11-25 20:11:20,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_off [2021-11-25 20:11:20,033 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-25 20:11:20,033 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-25 20:11:20,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-25 20:11:20,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-25 20:11:20,033 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-25 20:11:20,034 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-25 20:11:20,034 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_tx_timeout [2021-11-25 20:11:20,034 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_tx_timeout [2021-11-25 20:11:20,034 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2021-11-25 20:11:20,034 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2021-11-25 20:11:20,034 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mpi_regs [2021-11-25 20:11:20,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mpi_regs [2021-11-25 20:11:20,035 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-25 20:11:20,035 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-25 20:11:20,035 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-11-25 20:11:20,035 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-11-25 20:11:20,035 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_subqueue [2021-11-25 20:11:20,035 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_subqueue [2021-11-25 20:11:20,036 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_adapter_resources [2021-11-25 20:11:20,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_adapter_resources [2021-11-25 20:11:20,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-25 20:11:20,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-25 20:11:20,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-25 20:11:20,036 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-11-25 20:11:20,037 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-11-25 20:11:20,037 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_resources [2021-11-25 20:11:20,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_resources [2021-11-25 20:11:20,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-25 20:11:20,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-25 20:11:20,037 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-25 20:11:20,037 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-25 20:11:20,038 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_interrupts [2021-11-25 20:11:20,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_interrupts [2021-11-25 20:11:20,038 INFO L130 BoogieDeclarations]: Found specification of procedure ql_soft_reset_mpi_risc [2021-11-25 20:11:20,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_soft_reset_mpi_risc [2021-11-25 20:11:20,038 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-25 20:11:20,038 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-25 20:11:20,039 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_remove [2021-11-25 20:11:20,039 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_remove [2021-11-25 20:11:20,039 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_multicast_list [2021-11-25 20:11:20,039 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_multicast_list [2021-11-25 20:11:20,039 INFO L130 BoogieDeclarations]: Found specification of procedure ql_tx_ring_clean [2021-11-25 20:11:20,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_tx_ring_clean [2021-11-25 20:11:20,040 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-25 20:11:20,040 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-25 20:11:20,040 INFO L130 BoogieDeclarations]: Found specification of procedure skb_fill_page_desc [2021-11-25 20:11:20,040 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_fill_page_desc [2021-11-25 20:11:20,040 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-25 20:11:20,040 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-25 20:11:20,040 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_mpi_reg [2021-11-25 20:11:20,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_mpi_reg [2021-11-25 20:11:20,041 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clean_inbound_rx_ring [2021-11-25 20:11:20,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clean_inbound_rx_ring [2021-11-25 20:11:20,041 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_subqueue [2021-11-25 20:11:20,041 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_subqueue [2021-11-25 20:11:20,041 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-25 20:11:20,042 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-25 20:11:20,042 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-25 20:11:20,042 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-25 20:11:20,042 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-25 20:11:20,042 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-25 20:11:20,042 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-11-25 20:11:20,042 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-11-25 20:11:20,043 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2021-11-25 20:11:20,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2021-11-25 20:11:20,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 20:11:20,043 INFO L130 BoogieDeclarations]: Found specification of procedure ql_validate_flash [2021-11-25 20:11:20,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_validate_flash [2021-11-25 20:11:20,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-25 20:11:20,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-25 20:11:20,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-25 20:11:20,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-25 20:11:20,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-25 20:11:20,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-25 20:11:20,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-25 20:11:20,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-25 20:11:20,045 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8000_flash_params [2021-11-25 20:11:20,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8000_flash_params [2021-11-25 20:11:20,045 INFO L130 BoogieDeclarations]: Found specification of procedure ql_check_lb_frame [2021-11-25 20:11:20,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_check_lb_frame [2021-11-25 20:11:20,045 INFO L130 BoogieDeclarations]: Found specification of procedure ql_categorize_rx_err [2021-11-25 20:11:20,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_categorize_rx_err [2021-11-25 20:11:20,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-25 20:11:20,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-25 20:11:20,046 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-25 20:11:20,046 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-25 20:11:20,046 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_initialize [2021-11-25 20:11:20,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_initialize [2021-11-25 20:11:20,047 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-11-25 20:11:20,047 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-11-25 20:11:20,047 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_sh_reg [2021-11-25 20:11:20,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_sh_reg [2021-11-25 20:11:20,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-25 20:11:20,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-25 20:11:20,048 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-11-25 20:11:20,048 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-11-25 20:11:20,048 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_db_reg [2021-11-25 20:11:20,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_db_reg [2021-11-25 20:11:20,048 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-25 20:11:20,048 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-25 20:11:20,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-25 20:11:20,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-25 20:11:20,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-25 20:11:20,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-25 20:11:20,049 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-25 20:11:20,049 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-25 20:11:20,049 INFO L130 BoogieDeclarations]: Found specification of procedure ql_unmap_send [2021-11-25 20:11:20,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_unmap_send [2021-11-25 20:11:20,050 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-25 20:11:20,050 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-25 20:11:20,050 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_routing_reg [2021-11-25 20:11:20,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_routing_reg [2021-11-25 20:11:20,050 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-25 20:11:20,051 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-25 20:11:20,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mpi_mutex_of_ql_adapter [2021-11-25 20:11:20,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mpi_mutex_of_ql_adapter [2021-11-25 20:11:20,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-25 20:11:20,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-25 20:11:20,051 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mac_addr_reg [2021-11-25 20:11:20,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mac_addr_reg [2021-11-25 20:11:20,052 INFO L130 BoogieDeclarations]: Found specification of procedure ql_own_firmware [2021-11-25 20:11:20,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_own_firmware [2021-11-25 20:11:20,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-25 20:11:20,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-25 20:11:20,052 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-25 20:11:20,052 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-25 20:11:20,053 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_lchunk [2021-11-25 20:11:20,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_lchunk [2021-11-25 20:11:20,053 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-25 20:11:20,053 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-25 20:11:20,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 20:11:20,053 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr [2021-11-25 20:11:20,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr [2021-11-25 20:11:20,054 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_resume [2021-11-25 20:11:20,054 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_resume [2021-11-25 20:11:20,054 INFO L130 BoogieDeclarations]: Found specification of procedure ql_core_dump [2021-11-25 20:11:20,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_core_dump [2021-11-25 20:11:21,724 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 20:11:21,734 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 20:11:21,909 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-25 20:11:49,805 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 20:11:55,457 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 20:11:55,457 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-25 20:11:55,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:11:55 BoogieIcfgContainer [2021-11-25 20:11:55,467 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 20:11:55,469 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 20:11:55,469 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 20:11:55,473 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 20:11:55,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:11:05" (1/3) ... [2021-11-25 20:11:55,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44ee10da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:11:55, skipping insertion in model container [2021-11-25 20:11:55,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:11:18" (2/3) ... [2021-11-25 20:11:55,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44ee10da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:11:55, skipping insertion in model container [2021-11-25 20:11:55,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:11:55" (3/3) ... [2021-11-25 20:11:55,476 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--net--ethernet--qlogic--qlge--qlge.ko.cil.i [2021-11-25 20:11:55,482 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 20:11:55,482 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 33 error locations. [2021-11-25 20:11:55,550 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 20:11:55,556 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 20:11:55,556 INFO L340 AbstractCegarLoop]: Starting to check reachability of 33 error locations. [2021-11-25 20:11:55,653 INFO L276 IsEmpty]: Start isEmpty. Operand has 3903 states, 2311 states have (on average 1.3115534400692341) internal successors, (3031), 2423 states have internal predecessors, (3031), 1287 states have call successors, (1287), 272 states have call predecessors, (1287), 271 states have return successors, (1281), 1263 states have call predecessors, (1281), 1281 states have call successors, (1281) [2021-11-25 20:11:55,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-25 20:11:55,660 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:11:55,661 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:11:55,661 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-11-25 20:11:55,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:11:55,667 INFO L85 PathProgramCache]: Analyzing trace with hash 233587860, now seen corresponding path program 1 times [2021-11-25 20:11:55,676 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:11:55,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519176136] [2021-11-25 20:11:55,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:11:55,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:11:56,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:11:56,797 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 20:11:56,797 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:11:56,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519176136] [2021-11-25 20:11:56,801 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519176136] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:11:56,801 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:11:56,801 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 20:11:56,803 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682940621] [2021-11-25 20:11:56,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:11:56,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:11:56,809 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:11:56,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:11:56,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:11:56,860 INFO L87 Difference]: Start difference. First operand has 3903 states, 2311 states have (on average 1.3115534400692341) internal successors, (3031), 2423 states have internal predecessors, (3031), 1287 states have call successors, (1287), 272 states have call predecessors, (1287), 271 states have return successors, (1281), 1263 states have call predecessors, (1281), 1281 states have call successors, (1281) Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-25 20:12:02,491 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:12:04,539 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:12:06,582 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:12:08,626 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:12:10,824 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:12:15,026 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:12:21,722 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:12:25,105 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:12:27,266 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:12:28,590 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:12:33,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:12:33,835 INFO L93 Difference]: Finished difference Result 11545 states and 16861 transitions. [2021-11-25 20:12:33,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 20:12:33,838 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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 47 [2021-11-25 20:12:33,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:12:33,935 INFO L225 Difference]: With dead ends: 11545 [2021-11-25 20:12:33,935 INFO L226 Difference]: Without dead ends: 7639 [2021-11-25 20:12:33,977 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:12:33,980 INFO L933 BasicCegarLoop]: 8614 mSDtfsCounter, 5368 mSDsluCounter, 15441 mSDsCounter, 0 mSdLazyCounter, 3344 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5376 SdHoareTripleChecker+Valid, 22014 SdHoareTripleChecker+Invalid, 3351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3344 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.1s IncrementalHoareTripleChecker+Time [2021-11-25 20:12:33,981 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5376 Valid, 22014 Invalid, 3351 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 3344 Invalid, 6 Unknown, 0 Unchecked, 36.1s Time] [2021-11-25 20:12:34,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7639 states. [2021-11-25 20:12:34,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7639 to 7457. [2021-11-25 20:12:34,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7457 states, 4435 states have (on average 1.2978579481397972) internal successors, (5756), 4621 states have internal predecessors, (5756), 2474 states have call successors, (2474), 517 states have call predecessors, (2474), 515 states have return successors, (2482), 2430 states have call predecessors, (2482), 2472 states have call successors, (2482) [2021-11-25 20:12:34,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7457 states to 7457 states and 10712 transitions. [2021-11-25 20:12:34,793 INFO L78 Accepts]: Start accepts. Automaton has 7457 states and 10712 transitions. Word has length 47 [2021-11-25 20:12:34,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:12:34,794 INFO L470 AbstractCegarLoop]: Abstraction has 7457 states and 10712 transitions. [2021-11-25 20:12:34,795 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-25 20:12:34,795 INFO L276 IsEmpty]: Start isEmpty. Operand 7457 states and 10712 transitions. [2021-11-25 20:12:34,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-25 20:12:34,811 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:12:34,811 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:12:34,812 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 20:12:34,812 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-11-25 20:12:34,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:12:34,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1259076359, now seen corresponding path program 1 times [2021-11-25 20:12:34,817 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:12:34,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760535042] [2021-11-25 20:12:34,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:12:34,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:12:35,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:12:35,475 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 20:12:35,476 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:12:35,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760535042] [2021-11-25 20:12:35,476 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760535042] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:12:35,476 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:12:35,477 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 20:12:35,477 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121210213] [2021-11-25 20:12:35,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:12:35,479 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:12:35,479 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:12:35,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:12:35,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:12:35,480 INFO L87 Difference]: Start difference. First operand 7457 states and 10712 transitions. 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, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-25 20:12:40,317 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:12:42,856 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:12:45,872 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:12:50,023 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:12:52,505 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:12:54,559 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:13:00,750 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:13:02,790 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:13:06,469 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:13:11,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:13:11,029 INFO L93 Difference]: Finished difference Result 14883 states and 21380 transitions. [2021-11-25 20:13:11,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 20:13:11,029 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, (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 52 [2021-11-25 20:13:11,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:13:11,166 INFO L225 Difference]: With dead ends: 14883 [2021-11-25 20:13:11,166 INFO L226 Difference]: Without dead ends: 14881 [2021-11-25 20:13:11,175 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:13:11,176 INFO L933 BasicCegarLoop]: 7040 mSDtfsCounter, 5500 mSDsluCounter, 13510 mSDsCounter, 0 mSdLazyCounter, 2666 mSolverCounterSat, 1 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5506 SdHoareTripleChecker+Valid, 18842 SdHoareTripleChecker+Invalid, 2675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2666 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.8s IncrementalHoareTripleChecker+Time [2021-11-25 20:13:11,177 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5506 Valid, 18842 Invalid, 2675 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2666 Invalid, 8 Unknown, 0 Unchecked, 34.8s Time] [2021-11-25 20:13:11,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14881 states. [2021-11-25 20:13:12,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14881 to 14706. [2021-11-25 20:13:12,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14706 states, 8758 states have (on average 1.2986983329527289) internal successors, (11374), 9101 states have internal predecessors, (11374), 4902 states have call successors, (4902), 1016 states have call predecessors, (4902), 1013 states have return successors, (4924), 4811 states have call predecessors, (4924), 4900 states have call successors, (4924) [2021-11-25 20:13:12,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14706 states to 14706 states and 21200 transitions. [2021-11-25 20:13:12,215 INFO L78 Accepts]: Start accepts. Automaton has 14706 states and 21200 transitions. Word has length 52 [2021-11-25 20:13:12,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:13:12,216 INFO L470 AbstractCegarLoop]: Abstraction has 14706 states and 21200 transitions. [2021-11-25 20:13:12,217 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-25 20:13:12,217 INFO L276 IsEmpty]: Start isEmpty. Operand 14706 states and 21200 transitions. [2021-11-25 20:13:12,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-25 20:13:12,227 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:13:12,228 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:13:12,228 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 20:13:12,229 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-11-25 20:13:12,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:13:12,230 INFO L85 PathProgramCache]: Analyzing trace with hash 876530463, now seen corresponding path program 1 times [2021-11-25 20:13:12,230 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:13:12,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129740000] [2021-11-25 20:13:12,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:13:12,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:13:12,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:13:12,793 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 20:13:12,794 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:13:12,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129740000] [2021-11-25 20:13:12,794 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129740000] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:13:12,795 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:13:12,795 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 20:13:12,795 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31496686] [2021-11-25 20:13:12,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:13:12,796 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:13:12,796 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:13:12,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:13:12,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:13:12,800 INFO L87 Difference]: Start difference. First operand 14706 states and 21200 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, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-25 20:13:15,936 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:13:17,719 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:13:19,754 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:13:21,789 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:13:26,423 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:13:28,887 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:13:31,961 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:13:36,114 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:13:38,062 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:13:39,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:13:39,477 INFO L93 Difference]: Finished difference Result 16465 states and 23643 transitions. [2021-11-25 20:13:39,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:13:39,477 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, (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 57 [2021-11-25 20:13:39,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:13:39,589 INFO L225 Difference]: With dead ends: 16465 [2021-11-25 20:13:39,590 INFO L226 Difference]: Without dead ends: 16463 [2021-11-25 20:13:39,601 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:13:39,603 INFO L933 BasicCegarLoop]: 5876 mSDtfsCounter, 5499 mSDsluCounter, 9201 mSDsCounter, 0 mSdLazyCounter, 2101 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5505 SdHoareTripleChecker+Valid, 13845 SdHoareTripleChecker+Invalid, 2105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2101 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.2s IncrementalHoareTripleChecker+Time [2021-11-25 20:13:39,603 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5505 Valid, 13845 Invalid, 2105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2101 Invalid, 4 Unknown, 0 Unchecked, 26.2s Time] [2021-11-25 20:13:39,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16463 states. [2021-11-25 20:13:40,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16463 to 16448. [2021-11-25 20:13:40,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16448 states, 9812 states have (on average 1.2983081940481043) internal successors, (12739), 10188 states have internal predecessors, (12739), 5434 states have call successors, (5434), 1173 states have call predecessors, (5434), 1170 states have return successors, (5460), 5336 states have call predecessors, (5460), 5432 states have call successors, (5460) [2021-11-25 20:13:40,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16448 states to 16448 states and 23633 transitions. [2021-11-25 20:13:40,580 INFO L78 Accepts]: Start accepts. Automaton has 16448 states and 23633 transitions. Word has length 57 [2021-11-25 20:13:40,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:13:40,582 INFO L470 AbstractCegarLoop]: Abstraction has 16448 states and 23633 transitions. [2021-11-25 20:13:40,583 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-25 20:13:40,583 INFO L276 IsEmpty]: Start isEmpty. Operand 16448 states and 23633 transitions. [2021-11-25 20:13:40,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-25 20:13:40,586 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:13:40,587 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:13:40,587 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 20:13:40,587 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-11-25 20:13:40,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:13:40,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1896991577, now seen corresponding path program 1 times [2021-11-25 20:13:40,588 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:13:40,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368790136] [2021-11-25 20:13:40,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:13:40,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:13:40,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:13:41,360 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 20:13:41,362 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:13:41,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368790136] [2021-11-25 20:13:41,362 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368790136] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:13:41,362 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:13:41,362 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 20:13:41,363 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232041506] [2021-11-25 20:13:41,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:13:41,363 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:13:41,364 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:13:41,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:13:41,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:13:41,365 INFO L87 Difference]: Start difference. First operand 16448 states and 23633 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, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-25 20:13:46,728 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:13:48,775 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:13:50,611 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:13:54,010 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:13:56,651 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:13:58,356 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:14:04,048 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:14:05,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:14:05,790 INFO L93 Difference]: Finished difference Result 23453 states and 33387 transitions. [2021-11-25 20:14:05,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:14:05,791 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, (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 62 [2021-11-25 20:14:05,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:14:05,977 INFO L225 Difference]: With dead ends: 23453 [2021-11-25 20:14:05,977 INFO L226 Difference]: Without dead ends: 23451 [2021-11-25 20:14:05,988 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:14:05,989 INFO L933 BasicCegarLoop]: 5873 mSDtfsCounter, 5477 mSDsluCounter, 9222 mSDsCounter, 0 mSdLazyCounter, 2097 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5485 SdHoareTripleChecker+Valid, 13862 SdHoareTripleChecker+Invalid, 2102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2097 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.8s IncrementalHoareTripleChecker+Time [2021-11-25 20:14:05,990 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5485 Valid, 13862 Invalid, 2102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2097 Invalid, 5 Unknown, 0 Unchecked, 23.8s Time] [2021-11-25 20:14:06,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23451 states. [2021-11-25 20:14:07,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23451 to 23436. [2021-11-25 20:14:07,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23436 states, 14037 states have (on average 1.2970720239367386) internal successors, (18207), 14550 states have internal predecessors, (18207), 7564 states have call successors, (7564), 1805 states have call predecessors, (7564), 1804 states have return successors, (7606), 7438 states have call predecessors, (7606), 7562 states have call successors, (7606) [2021-11-25 20:14:07,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23436 states to 23436 states and 33377 transitions. [2021-11-25 20:14:07,255 INFO L78 Accepts]: Start accepts. Automaton has 23436 states and 33377 transitions. Word has length 62 [2021-11-25 20:14:07,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:14:07,256 INFO L470 AbstractCegarLoop]: Abstraction has 23436 states and 33377 transitions. [2021-11-25 20:14:07,256 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-25 20:14:07,256 INFO L276 IsEmpty]: Start isEmpty. Operand 23436 states and 33377 transitions. [2021-11-25 20:14:07,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-25 20:14:07,259 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:14:07,259 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:14:07,259 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 20:14:07,260 INFO L402 AbstractCegarLoop]: === Iteration 5 === 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 31 more)] === [2021-11-25 20:14:07,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:14:07,261 INFO L85 PathProgramCache]: Analyzing trace with hash 605896683, now seen corresponding path program 1 times [2021-11-25 20:14:07,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:14:07,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046206815] [2021-11-25 20:14:07,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:14:07,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:14:07,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:14:07,820 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 20:14:07,822 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:14:07,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046206815] [2021-11-25 20:14:07,822 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046206815] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:14:07,823 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:14:07,823 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 20:14:07,823 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14722054] [2021-11-25 20:14:07,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:14:07,825 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:14:07,825 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:14:07,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:14:07,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:14:07,826 INFO L87 Difference]: Start difference. First operand 23436 states and 33377 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, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-25 20:14:12,573 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:14:14,621 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:14:16,910 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:14:20,188 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:14:22,670 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:14:28,712 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:14:30,762 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:14:32,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:14:32,485 INFO L93 Difference]: Finished difference Result 24261 states and 34553 transitions. [2021-11-25 20:14:32,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:14:32,486 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, (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 67 [2021-11-25 20:14:32,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:14:32,609 INFO L225 Difference]: With dead ends: 24261 [2021-11-25 20:14:32,609 INFO L226 Difference]: Without dead ends: 24259 [2021-11-25 20:14:32,622 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:14:32,623 INFO L933 BasicCegarLoop]: 5877 mSDtfsCounter, 5487 mSDsluCounter, 9231 mSDsCounter, 0 mSdLazyCounter, 2108 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5495 SdHoareTripleChecker+Valid, 13870 SdHoareTripleChecker+Invalid, 2111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2108 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.0s IncrementalHoareTripleChecker+Time [2021-11-25 20:14:32,623 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5495 Valid, 13870 Invalid, 2111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2108 Invalid, 3 Unknown, 0 Unchecked, 24.0s Time] [2021-11-25 20:14:32,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24259 states. [2021-11-25 20:14:33,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24259 to 24244. [2021-11-25 20:14:33,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24244 states, 14542 states have (on average 1.300302571860817) internal successors, (18909), 15074 states have internal predecessors, (18909), 7796 states have call successors, (7796), 1877 states have call predecessors, (7796), 1876 states have return successors, (7838), 7666 states have call predecessors, (7838), 7794 states have call successors, (7838) [2021-11-25 20:14:34,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24244 states to 24244 states and 34543 transitions. [2021-11-25 20:14:34,009 INFO L78 Accepts]: Start accepts. Automaton has 24244 states and 34543 transitions. Word has length 67 [2021-11-25 20:14:34,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:14:34,009 INFO L470 AbstractCegarLoop]: Abstraction has 24244 states and 34543 transitions. [2021-11-25 20:14:34,010 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-25 20:14:34,010 INFO L276 IsEmpty]: Start isEmpty. Operand 24244 states and 34543 transitions. [2021-11-25 20:14:34,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-25 20:14:34,011 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:14:34,012 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:14:34,012 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-25 20:14:34,012 INFO L402 AbstractCegarLoop]: === Iteration 6 === 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 31 more)] === [2021-11-25 20:14:34,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:14:34,013 INFO L85 PathProgramCache]: Analyzing trace with hash -1427641039, now seen corresponding path program 1 times [2021-11-25 20:14:34,013 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:14:34,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043189514] [2021-11-25 20:14:34,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:14:34,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:14:34,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:14:34,445 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 20:14:34,446 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:14:34,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043189514] [2021-11-25 20:14:34,446 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043189514] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:14:34,446 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:14:34,447 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 20:14:34,447 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053177150] [2021-11-25 20:14:34,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:14:34,447 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:14:34,448 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:14:34,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:14:34,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:14:34,449 INFO L87 Difference]: Start difference. First operand 24244 states and 34543 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, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-25 20:14:39,026 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:14:41,077 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:14:43,129 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:14:45,509 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:14:48,698 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:14:50,759 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:14:57,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:14:57,493 INFO L93 Difference]: Finished difference Result 24259 states and 34551 transitions. [2021-11-25 20:14:57,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:14:57,501 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, (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 72 [2021-11-25 20:14:57,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:14:57,625 INFO L225 Difference]: With dead ends: 24259 [2021-11-25 20:14:57,625 INFO L226 Difference]: Without dead ends: 24257 [2021-11-25 20:14:57,639 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:14:57,640 INFO L933 BasicCegarLoop]: 5864 mSDtfsCounter, 5477 mSDsluCounter, 9182 mSDsCounter, 0 mSdLazyCounter, 2089 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5483 SdHoareTripleChecker+Valid, 13821 SdHoareTripleChecker+Invalid, 2093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2089 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.3s IncrementalHoareTripleChecker+Time [2021-11-25 20:14:57,641 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5483 Valid, 13821 Invalid, 2093 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2089 Invalid, 4 Unknown, 0 Unchecked, 22.3s Time] [2021-11-25 20:14:57,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24257 states. [2021-11-25 20:14:58,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24257 to 24242. [2021-11-25 20:14:59,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24242 states, 14541 states have (on average 1.3002544529262086) internal successors, (18907), 15072 states have internal predecessors, (18907), 7796 states have call successors, (7796), 1877 states have call predecessors, (7796), 1876 states have return successors, (7838), 7666 states have call predecessors, (7838), 7794 states have call successors, (7838) [2021-11-25 20:14:59,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24242 states to 24242 states and 34541 transitions. [2021-11-25 20:14:59,157 INFO L78 Accepts]: Start accepts. Automaton has 24242 states and 34541 transitions. Word has length 72 [2021-11-25 20:14:59,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:14:59,159 INFO L470 AbstractCegarLoop]: Abstraction has 24242 states and 34541 transitions. [2021-11-25 20:14:59,160 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-25 20:14:59,160 INFO L276 IsEmpty]: Start isEmpty. Operand 24242 states and 34541 transitions. [2021-11-25 20:14:59,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-25 20:14:59,162 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:14:59,162 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:14:59,162 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-25 20:14:59,162 INFO L402 AbstractCegarLoop]: === Iteration 7 === 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 31 more)] === [2021-11-25 20:14:59,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:14:59,163 INFO L85 PathProgramCache]: Analyzing trace with hash 992891780, now seen corresponding path program 1 times [2021-11-25 20:14:59,163 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:14:59,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303015182] [2021-11-25 20:14:59,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:14:59,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:14:59,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:14:59,773 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-25 20:14:59,773 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:14:59,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303015182] [2021-11-25 20:14:59,773 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303015182] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:14:59,774 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:14:59,774 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 20:14:59,774 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451561580] [2021-11-25 20:14:59,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:14:59,775 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 20:14:59,775 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:14:59,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 20:14:59,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:14:59,776 INFO L87 Difference]: Start difference. First operand 24242 states and 34541 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-25 20:15:05,953 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:15:08,001 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:15:16,932 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:15:18,519 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:15:20,223 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:15:22,936 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:15:28,637 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:15:35,256 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:15:38,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:15:38,800 INFO L93 Difference]: Finished difference Result 44304 states and 63269 transitions. [2021-11-25 20:15:38,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 20:15:38,801 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 84 [2021-11-25 20:15:38,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:15:39,000 INFO L225 Difference]: With dead ends: 44304 [2021-11-25 20:15:39,000 INFO L226 Difference]: Without dead ends: 44302 [2021-11-25 20:15:39,022 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-25 20:15:39,023 INFO L933 BasicCegarLoop]: 7689 mSDtfsCounter, 5283 mSDsluCounter, 22516 mSDsCounter, 0 mSdLazyCounter, 4003 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5284 SdHoareTripleChecker+Valid, 27320 SdHoareTripleChecker+Invalid, 4010 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4003 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.7s IncrementalHoareTripleChecker+Time [2021-11-25 20:15:39,024 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5284 Valid, 27320 Invalid, 4010 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 4003 Invalid, 5 Unknown, 0 Unchecked, 37.7s Time] [2021-11-25 20:15:39,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44302 states. [2021-11-25 20:15:40,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44302 to 44074. [2021-11-25 20:15:40,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44074 states, 26350 states have (on average 1.296584440227704) internal successors, (34165), 27271 states have internal predecessors, (34165), 14223 states have call successors, (14223), 3527 states have call predecessors, (14223), 3472 states have return successors, (14628), 13894 states have call predecessors, (14628), 14221 states have call successors, (14628) [2021-11-25 20:15:41,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44074 states to 44074 states and 63016 transitions. [2021-11-25 20:15:41,273 INFO L78 Accepts]: Start accepts. Automaton has 44074 states and 63016 transitions. Word has length 84 [2021-11-25 20:15:41,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:15:41,274 INFO L470 AbstractCegarLoop]: Abstraction has 44074 states and 63016 transitions. [2021-11-25 20:15:41,274 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-25 20:15:41,274 INFO L276 IsEmpty]: Start isEmpty. Operand 44074 states and 63016 transitions. [2021-11-25 20:15:41,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-25 20:15:41,281 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:15:41,282 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:15:41,282 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-25 20:15:41,282 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-11-25 20:15:41,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:15:41,284 INFO L85 PathProgramCache]: Analyzing trace with hash 1804897298, now seen corresponding path program 1 times [2021-11-25 20:15:41,284 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:15:41,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825498664] [2021-11-25 20:15:41,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:15:41,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:15:41,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:15:42,127 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 20:15:42,128 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:15:42,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825498664] [2021-11-25 20:15:42,128 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825498664] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:15:42,128 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:15:42,129 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 20:15:42,129 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33995668] [2021-11-25 20:15:42,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:15:42,130 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:15:42,130 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:15:42,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:15:42,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:15:42,133 INFO L87 Difference]: Start difference. First operand 44074 states and 63016 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, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-25 20:15:45,306 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:15:47,367 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:15:49,417 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:15:54,744 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:15:55,805 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:15:57,279 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:16:05,721 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:16:07,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:16:07,291 INFO L93 Difference]: Finished difference Result 44089 states and 63024 transitions. [2021-11-25 20:16:07,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:16:07,292 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, (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 77 [2021-11-25 20:16:07,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:16:07,451 INFO L225 Difference]: With dead ends: 44089 [2021-11-25 20:16:07,451 INFO L226 Difference]: Without dead ends: 44087 [2021-11-25 20:16:07,470 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:16:07,471 INFO L933 BasicCegarLoop]: 5808 mSDtfsCounter, 5481 mSDsluCounter, 9138 mSDsCounter, 0 mSdLazyCounter, 2059 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5489 SdHoareTripleChecker+Valid, 13732 SdHoareTripleChecker+Invalid, 2063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2059 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.7s IncrementalHoareTripleChecker+Time [2021-11-25 20:16:07,471 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5489 Valid, 13732 Invalid, 2063 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2059 Invalid, 4 Unknown, 0 Unchecked, 23.7s Time] [2021-11-25 20:16:07,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44087 states. [2021-11-25 20:16:09,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44087 to 44072. [2021-11-25 20:16:09,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44072 states, 26349 states have (on average 1.2965577441269118) internal successors, (34163), 27269 states have internal predecessors, (34163), 14223 states have call successors, (14223), 3527 states have call predecessors, (14223), 3472 states have return successors, (14628), 13894 states have call predecessors, (14628), 14221 states have call successors, (14628) [2021-11-25 20:16:09,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44072 states to 44072 states and 63014 transitions. [2021-11-25 20:16:09,495 INFO L78 Accepts]: Start accepts. Automaton has 44072 states and 63014 transitions. Word has length 77 [2021-11-25 20:16:09,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:16:09,496 INFO L470 AbstractCegarLoop]: Abstraction has 44072 states and 63014 transitions. [2021-11-25 20:16:09,496 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-25 20:16:09,496 INFO L276 IsEmpty]: Start isEmpty. Operand 44072 states and 63014 transitions. [2021-11-25 20:16:09,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-25 20:16:09,498 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:16:09,499 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:16:09,499 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-25 20:16:09,499 INFO L402 AbstractCegarLoop]: === Iteration 9 === 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 31 more)] === [2021-11-25 20:16:09,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:16:09,500 INFO L85 PathProgramCache]: Analyzing trace with hash 1342877195, now seen corresponding path program 1 times [2021-11-25 20:16:09,500 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:16:09,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120539479] [2021-11-25 20:16:09,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:16:09,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:16:09,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:16:10,361 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 20:16:10,361 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:16:10,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120539479] [2021-11-25 20:16:10,362 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120539479] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:16:10,362 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:16:10,362 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 20:16:10,362 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816300523] [2021-11-25 20:16:10,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:16:10,363 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:16:10,363 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:16:10,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:16:10,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:16:10,363 INFO L87 Difference]: Start difference. First operand 44072 states and 63014 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, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-25 20:16:14,949 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:16:17,009 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:16:19,970 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:16:23,561 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:16:25,487 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:16:27,552 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:16:29,614 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:16:37,179 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:16:38,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:16:38,759 INFO L93 Difference]: Finished difference Result 44087 states and 63022 transitions. [2021-11-25 20:16:38,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:16:38,760 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, (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 82 [2021-11-25 20:16:38,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:16:38,911 INFO L225 Difference]: With dead ends: 44087 [2021-11-25 20:16:38,912 INFO L226 Difference]: Without dead ends: 44085 [2021-11-25 20:16:38,929 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:16:38,930 INFO L933 BasicCegarLoop]: 5806 mSDtfsCounter, 5482 mSDsluCounter, 9132 mSDsCounter, 0 mSdLazyCounter, 2058 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5490 SdHoareTripleChecker+Valid, 13724 SdHoareTripleChecker+Invalid, 2063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2058 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.1s IncrementalHoareTripleChecker+Time [2021-11-25 20:16:38,931 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5490 Valid, 13724 Invalid, 2063 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2058 Invalid, 5 Unknown, 0 Unchecked, 27.1s Time] [2021-11-25 20:16:38,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44085 states. [2021-11-25 20:16:40,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44085 to 44070. [2021-11-25 20:16:40,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44070 states, 26348 states have (on average 1.2965310459996964) internal successors, (34161), 27267 states have internal predecessors, (34161), 14223 states have call successors, (14223), 3527 states have call predecessors, (14223), 3472 states have return successors, (14628), 13894 states have call predecessors, (14628), 14221 states have call successors, (14628) [2021-11-25 20:16:41,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44070 states to 44070 states and 63012 transitions. [2021-11-25 20:16:41,094 INFO L78 Accepts]: Start accepts. Automaton has 44070 states and 63012 transitions. Word has length 82 [2021-11-25 20:16:41,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:16:41,095 INFO L470 AbstractCegarLoop]: Abstraction has 44070 states and 63012 transitions. [2021-11-25 20:16:41,095 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-25 20:16:41,095 INFO L276 IsEmpty]: Start isEmpty. Operand 44070 states and 63012 transitions. [2021-11-25 20:16:41,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-25 20:16:41,099 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:16:41,099 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:16:41,099 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-25 20:16:41,100 INFO L402 AbstractCegarLoop]: === Iteration 10 === 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 31 more)] === [2021-11-25 20:16:41,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:16:41,100 INFO L85 PathProgramCache]: Analyzing trace with hash 2015105134, now seen corresponding path program 1 times [2021-11-25 20:16:41,100 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:16:41,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284236135] [2021-11-25 20:16:41,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:16:41,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:16:41,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:16:41,552 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 20:16:41,552 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:16:41,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284236135] [2021-11-25 20:16:41,553 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284236135] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:16:41,553 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:16:41,553 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 20:16:41,553 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348411657] [2021-11-25 20:16:41,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:16:41,554 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:16:41,554 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:16:41,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:16:41,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:16:41,555 INFO L87 Difference]: Start difference. First operand 44070 states and 63012 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-25 20:16:45,041 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:16:46,695 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:16:48,729 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:16:50,777 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:16:53,650 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:16:57,055 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:16:59,763 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:17:01,527 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:17:03,560 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:17:08,103 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:17:10,062 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:17:13,394 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:17:15,430 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:17:17,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:17:17,112 INFO L93 Difference]: Finished difference Result 47359 states and 67582 transitions. [2021-11-25 20:17:17,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:17:17,113 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 84 [2021-11-25 20:17:17,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:17:17,271 INFO L225 Difference]: With dead ends: 47359 [2021-11-25 20:17:17,271 INFO L226 Difference]: Without dead ends: 47357 [2021-11-25 20:17:17,293 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:17:17,293 INFO L933 BasicCegarLoop]: 5313 mSDtfsCounter, 5475 mSDsluCounter, 8555 mSDsCounter, 0 mSdLazyCounter, 1875 mSolverCounterSat, 0 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5480 SdHoareTripleChecker+Valid, 12742 SdHoareTripleChecker+Invalid, 1883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1875 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.1s IncrementalHoareTripleChecker+Time [2021-11-25 20:17:17,294 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5480 Valid, 12742 Invalid, 1883 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1875 Invalid, 8 Unknown, 0 Unchecked, 34.1s Time] [2021-11-25 20:17:17,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47357 states. [2021-11-25 20:17:19,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47357 to 47343. [2021-11-25 20:17:19,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47343 states, 28318 states have (on average 1.2959601666784377) internal successors, (36699), 29297 states have internal predecessors, (36699), 15224 states have call successors, (15224), 3834 states have call predecessors, (15224), 3775 states have return successors, (15650), 14876 states have call predecessors, (15650), 15222 states have call successors, (15650) [2021-11-25 20:17:19,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47343 states to 47343 states and 67573 transitions. [2021-11-25 20:17:19,559 INFO L78 Accepts]: Start accepts. Automaton has 47343 states and 67573 transitions. Word has length 84 [2021-11-25 20:17:19,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:17:19,560 INFO L470 AbstractCegarLoop]: Abstraction has 47343 states and 67573 transitions. [2021-11-25 20:17:19,560 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-25 20:17:19,560 INFO L276 IsEmpty]: Start isEmpty. Operand 47343 states and 67573 transitions. [2021-11-25 20:17:19,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-25 20:17:19,562 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:17:19,563 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:17:19,563 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-25 20:17:19,563 INFO L402 AbstractCegarLoop]: === Iteration 11 === 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 31 more)] === [2021-11-25 20:17:19,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:17:19,564 INFO L85 PathProgramCache]: Analyzing trace with hash -94542153, now seen corresponding path program 1 times [2021-11-25 20:17:19,564 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:17:19,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516794184] [2021-11-25 20:17:19,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:17:19,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:17:19,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:17:19,979 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 20:17:19,980 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:17:19,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516794184] [2021-11-25 20:17:19,980 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516794184] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:17:19,980 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:17:19,981 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 20:17:19,981 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826803780] [2021-11-25 20:17:19,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:17:19,982 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:17:19,982 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:17:19,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:17:19,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:17:19,983 INFO L87 Difference]: Start difference. First operand 47343 states and 67573 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, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-25 20:17:24,807 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:17:26,852 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:17:28,982 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:17:33,267 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:17:36,024 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:17:38,354 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:17:44,229 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:17:46,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:17:46,659 INFO L93 Difference]: Finished difference Result 47358 states and 67581 transitions. [2021-11-25 20:17:46,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:17:46,660 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, (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 89 [2021-11-25 20:17:46,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:17:46,813 INFO L225 Difference]: With dead ends: 47358 [2021-11-25 20:17:46,814 INFO L226 Difference]: Without dead ends: 47356 [2021-11-25 20:17:46,834 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:17:46,834 INFO L933 BasicCegarLoop]: 5802 mSDtfsCounter, 5473 mSDsluCounter, 9132 mSDsCounter, 0 mSdLazyCounter, 2059 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5481 SdHoareTripleChecker+Valid, 13720 SdHoareTripleChecker+Invalid, 2063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2059 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.9s IncrementalHoareTripleChecker+Time [2021-11-25 20:17:46,835 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5481 Valid, 13720 Invalid, 2063 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2059 Invalid, 4 Unknown, 0 Unchecked, 24.9s Time] [2021-11-25 20:17:46,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47356 states. [2021-11-25 20:17:48,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47356 to 47341. [2021-11-25 20:17:48,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47341 states, 28317 states have (on average 1.2959353038810608) internal successors, (36697), 29295 states have internal predecessors, (36697), 15224 states have call successors, (15224), 3834 states have call predecessors, (15224), 3775 states have return successors, (15650), 14876 states have call predecessors, (15650), 15222 states have call successors, (15650) [2021-11-25 20:17:49,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47341 states to 47341 states and 67571 transitions. [2021-11-25 20:17:49,155 INFO L78 Accepts]: Start accepts. Automaton has 47341 states and 67571 transitions. Word has length 89 [2021-11-25 20:17:49,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:17:49,156 INFO L470 AbstractCegarLoop]: Abstraction has 47341 states and 67571 transitions. [2021-11-25 20:17:49,156 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-25 20:17:49,157 INFO L276 IsEmpty]: Start isEmpty. Operand 47341 states and 67571 transitions. [2021-11-25 20:17:49,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-25 20:17:49,159 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:17:49,160 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:17:49,160 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-25 20:17:49,160 INFO L402 AbstractCegarLoop]: === Iteration 12 === 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 31 more)] === [2021-11-25 20:17:49,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:17:49,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1981773197, now seen corresponding path program 1 times [2021-11-25 20:17:49,161 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:17:49,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492681625] [2021-11-25 20:17:49,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:17:49,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:17:49,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:17:49,832 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 20:17:49,832 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:17:49,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492681625] [2021-11-25 20:17:49,833 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492681625] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:17:49,833 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:17:49,833 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 20:17:49,834 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232996647] [2021-11-25 20:17:49,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:17:49,836 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:17:49,836 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:17:49,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:17:49,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:17:49,837 INFO L87 Difference]: Start difference. First operand 47341 states and 67571 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, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-25 20:17:55,500 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:17:57,553 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:17:59,695 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:18:03,874 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:18:05,894 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:18:13,101 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:18:15,168 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:18:16,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:18:16,984 INFO L93 Difference]: Finished difference Result 47356 states and 67579 transitions. [2021-11-25 20:18:16,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:18:16,984 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, (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 94 [2021-11-25 20:18:16,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:18:17,141 INFO L225 Difference]: With dead ends: 47356 [2021-11-25 20:18:17,141 INFO L226 Difference]: Without dead ends: 47354 [2021-11-25 20:18:17,160 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:18:17,161 INFO L933 BasicCegarLoop]: 5800 mSDtfsCounter, 5470 mSDsluCounter, 9130 mSDsCounter, 0 mSdLazyCounter, 2059 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5478 SdHoareTripleChecker+Valid, 13716 SdHoareTripleChecker+Invalid, 2063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2059 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.2s IncrementalHoareTripleChecker+Time [2021-11-25 20:18:17,161 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5478 Valid, 13716 Invalid, 2063 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2059 Invalid, 4 Unknown, 0 Unchecked, 25.2s Time] [2021-11-25 20:18:17,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47354 states. [2021-11-25 20:18:19,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47354 to 47339. [2021-11-25 20:18:19,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47339 states, 28316 states have (on average 1.2959104393275886) internal successors, (36695), 29293 states have internal predecessors, (36695), 15224 states have call successors, (15224), 3834 states have call predecessors, (15224), 3775 states have return successors, (15650), 14876 states have call predecessors, (15650), 15222 states have call successors, (15650) [2021-11-25 20:18:19,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47339 states to 47339 states and 67569 transitions. [2021-11-25 20:18:19,531 INFO L78 Accepts]: Start accepts. Automaton has 47339 states and 67569 transitions. Word has length 94 [2021-11-25 20:18:19,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:18:19,532 INFO L470 AbstractCegarLoop]: Abstraction has 47339 states and 67569 transitions. [2021-11-25 20:18:19,532 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-25 20:18:19,532 INFO L276 IsEmpty]: Start isEmpty. Operand 47339 states and 67569 transitions. [2021-11-25 20:18:19,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-25 20:18:19,535 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:18:19,536 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:18:19,536 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-25 20:18:19,536 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-11-25 20:18:19,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:18:19,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1857407580, now seen corresponding path program 1 times [2021-11-25 20:18:19,537 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:18:19,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337744663] [2021-11-25 20:18:19,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:18:19,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:18:19,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:18:20,195 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2021-11-25 20:18:20,195 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:18:20,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337744663] [2021-11-25 20:18:20,196 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337744663] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:18:20,196 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:18:20,196 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:18:20,197 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005724313] [2021-11-25 20:18:20,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:18:20,197 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:18:20,198 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:18:20,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:18:20,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:18:20,199 INFO L87 Difference]: Start difference. First operand 47339 states and 67569 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-25 20:18:23,304 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:18:25,030 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:18:30,877 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:18:33,161 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:18:40,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:18:40,802 INFO L93 Difference]: Finished difference Result 121173 states and 172013 transitions. [2021-11-25 20:18:40,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:18:40,804 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 109 [2021-11-25 20:18:40,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:18:41,161 INFO L225 Difference]: With dead ends: 121173 [2021-11-25 20:18:41,161 INFO L226 Difference]: Without dead ends: 73852 [2021-11-25 20:18:41,405 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:18:41,406 INFO L933 BasicCegarLoop]: 6143 mSDtfsCounter, 3266 mSDsluCounter, 4731 mSDsCounter, 0 mSdLazyCounter, 1600 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3269 SdHoareTripleChecker+Valid, 10224 SdHoareTripleChecker+Invalid, 1603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1600 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.2s IncrementalHoareTripleChecker+Time [2021-11-25 20:18:41,407 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3269 Valid, 10224 Invalid, 1603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1600 Invalid, 2 Unknown, 0 Unchecked, 17.2s Time] [2021-11-25 20:18:41,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73852 states. [2021-11-25 20:18:44,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73852 to 73819. [2021-11-25 20:18:44,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73819 states, 44242 states have (on average 1.2928213010261742) internal successors, (57197), 45731 states have internal predecessors, (57197), 23296 states have call successors, (23296), 6348 states have call predecessors, (23296), 6257 states have return successors, (23938), 22788 states have call predecessors, (23938), 23294 states have call successors, (23938) [2021-11-25 20:18:45,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73819 states to 73819 states and 104431 transitions. [2021-11-25 20:18:45,383 INFO L78 Accepts]: Start accepts. Automaton has 73819 states and 104431 transitions. Word has length 109 [2021-11-25 20:18:45,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:18:45,384 INFO L470 AbstractCegarLoop]: Abstraction has 73819 states and 104431 transitions. [2021-11-25 20:18:45,384 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-25 20:18:45,384 INFO L276 IsEmpty]: Start isEmpty. Operand 73819 states and 104431 transitions. [2021-11-25 20:18:45,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-25 20:18:45,387 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:18:45,387 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:18:45,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-25 20:18:45,387 INFO L402 AbstractCegarLoop]: === Iteration 14 === 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 31 more)] === [2021-11-25 20:18:45,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:18:45,388 INFO L85 PathProgramCache]: Analyzing trace with hash -229830636, now seen corresponding path program 1 times [2021-11-25 20:18:45,388 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:18:45,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807857107] [2021-11-25 20:18:45,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:18:45,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:18:45,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:18:46,073 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 20:18:46,074 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:18:46,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807857107] [2021-11-25 20:18:46,074 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807857107] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:18:46,074 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:18:46,075 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 20:18:46,075 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346104510] [2021-11-25 20:18:46,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:18:46,076 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:18:46,076 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:18:46,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:18:46,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:18:46,077 INFO L87 Difference]: Start difference. First operand 73819 states and 104431 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, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-25 20:18:49,257 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:18:54,515 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:18:56,570 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:18:59,882 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:19:02,643 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:19:04,689 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:19:07,663 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:19:13,742 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:19:17,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:19:17,230 INFO L93 Difference]: Finished difference Result 73834 states and 104439 transitions. [2021-11-25 20:19:17,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:19:17,231 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, (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 99 [2021-11-25 20:19:17,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:19:17,650 INFO L225 Difference]: With dead ends: 73834 [2021-11-25 20:19:17,650 INFO L226 Difference]: Without dead ends: 73832 [2021-11-25 20:19:17,681 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:19:17,682 INFO L933 BasicCegarLoop]: 5786 mSDtfsCounter, 5460 mSDsluCounter, 9086 mSDsCounter, 0 mSdLazyCounter, 2050 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5466 SdHoareTripleChecker+Valid, 13665 SdHoareTripleChecker+Invalid, 2055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2050 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.4s IncrementalHoareTripleChecker+Time [2021-11-25 20:19:17,682 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5466 Valid, 13665 Invalid, 2055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2050 Invalid, 5 Unknown, 0 Unchecked, 28.4s Time] [2021-11-25 20:19:17,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73832 states. [2021-11-25 20:19:20,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73832 to 73817. [2021-11-25 20:19:21,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73817 states, 44241 states have (on average 1.292805316335526) internal successors, (57195), 45729 states have internal predecessors, (57195), 23296 states have call successors, (23296), 6348 states have call predecessors, (23296), 6257 states have return successors, (23938), 22788 states have call predecessors, (23938), 23294 states have call successors, (23938) [2021-11-25 20:19:21,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73817 states to 73817 states and 104429 transitions. [2021-11-25 20:19:21,575 INFO L78 Accepts]: Start accepts. Automaton has 73817 states and 104429 transitions. Word has length 99 [2021-11-25 20:19:21,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:19:21,576 INFO L470 AbstractCegarLoop]: Abstraction has 73817 states and 104429 transitions. [2021-11-25 20:19:21,576 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-25 20:19:21,576 INFO L276 IsEmpty]: Start isEmpty. Operand 73817 states and 104429 transitions. [2021-11-25 20:19:21,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-25 20:19:21,579 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:19:21,579 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:19:21,580 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-25 20:19:21,580 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-11-25 20:19:21,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:19:21,581 INFO L85 PathProgramCache]: Analyzing trace with hash 1483351650, now seen corresponding path program 1 times [2021-11-25 20:19:21,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:19:21,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677040902] [2021-11-25 20:19:21,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:19:21,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:19:21,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:19:22,036 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2021-11-25 20:19:22,037 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:19:22,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677040902] [2021-11-25 20:19:22,037 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677040902] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 20:19:22,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2029407848] [2021-11-25 20:19:22,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:19:22,038 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:19:22,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:19:22,040 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:19:22,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 20:19:24,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:19:24,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 8292 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-25 20:19:24,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:19:24,874 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2021-11-25 20:19:24,875 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:19:24,875 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2029407848] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:19:24,875 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-25 20:19:24,875 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2021-11-25 20:19:24,876 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510914632] [2021-11-25 20:19:24,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:19:24,876 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:19:24,876 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:19:24,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:19:24,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-25 20:19:24,877 INFO L87 Difference]: Start difference. First operand 73817 states and 104429 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, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-25 20:19:27,894 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:19:30,344 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:19:32,647 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:19:35,761 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:19:38,456 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:19:46,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:19:46,298 INFO L93 Difference]: Finished difference Result 147613 states and 208813 transitions. [2021-11-25 20:19:46,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:19:46,299 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, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 114 [2021-11-25 20:19:46,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:19:46,684 INFO L225 Difference]: With dead ends: 147613 [2021-11-25 20:19:46,685 INFO L226 Difference]: Without dead ends: 73814 [2021-11-25 20:19:47,207 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-25 20:19:47,208 INFO L933 BasicCegarLoop]: 5793 mSDtfsCounter, 5459 mSDsluCounter, 2487 mSDsCounter, 0 mSdLazyCounter, 1218 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5465 SdHoareTripleChecker+Valid, 7909 SdHoareTripleChecker+Invalid, 1223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1218 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.3s IncrementalHoareTripleChecker+Time [2021-11-25 20:19:47,208 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5465 Valid, 7909 Invalid, 1223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1218 Invalid, 4 Unknown, 0 Unchecked, 17.3s Time] [2021-11-25 20:19:47,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73814 states. [2021-11-25 20:19:50,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73814 to 73799. [2021-11-25 20:19:50,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73799 states, 44224 states have (on average 1.2925560781476122) internal successors, (57162), 45711 states have internal predecessors, (57162), 23296 states have call successors, (23296), 6348 states have call predecessors, (23296), 6257 states have return successors, (23938), 22788 states have call predecessors, (23938), 23294 states have call successors, (23938) [2021-11-25 20:19:51,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73799 states to 73799 states and 104396 transitions. [2021-11-25 20:19:51,243 INFO L78 Accepts]: Start accepts. Automaton has 73799 states and 104396 transitions. Word has length 114 [2021-11-25 20:19:51,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:19:51,245 INFO L470 AbstractCegarLoop]: Abstraction has 73799 states and 104396 transitions. [2021-11-25 20:19:51,245 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-25 20:19:51,245 INFO L276 IsEmpty]: Start isEmpty. Operand 73799 states and 104396 transitions. [2021-11-25 20:19:51,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-25 20:19:51,249 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:19:51,249 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:19:51,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 20:19:51,476 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-11-25 20:19:51,477 INFO L402 AbstractCegarLoop]: === Iteration 16 === 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 31 more)] === [2021-11-25 20:19:51,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:19:51,477 INFO L85 PathProgramCache]: Analyzing trace with hash 1450629071, now seen corresponding path program 1 times [2021-11-25 20:19:51,477 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:19:51,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552792890] [2021-11-25 20:19:51,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:19:51,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:19:51,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:19:52,158 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 20:19:52,158 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:19:52,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552792890] [2021-11-25 20:19:52,159 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552792890] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:19:52,159 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:19:52,159 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 20:19:52,160 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902838104] [2021-11-25 20:19:52,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:19:52,160 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:19:52,161 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:19:52,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:19:52,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:19:52,162 INFO L87 Difference]: Start difference. First operand 73799 states and 104396 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, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-25 20:19:55,478 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:20:00,440 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:20:04,237 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:20:06,079 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:20:08,151 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:20:11,924 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:20:17,405 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:20:21,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:20:21,452 INFO L93 Difference]: Finished difference Result 73814 states and 104404 transitions. [2021-11-25 20:20:21,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:20:21,453 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, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 104 [2021-11-25 20:20:21,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:20:21,739 INFO L225 Difference]: With dead ends: 73814 [2021-11-25 20:20:21,740 INFO L226 Difference]: Without dead ends: 73812 [2021-11-25 20:20:21,766 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:20:21,767 INFO L933 BasicCegarLoop]: 5790 mSDtfsCounter, 5459 mSDsluCounter, 9123 mSDsCounter, 0 mSdLazyCounter, 2064 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5467 SdHoareTripleChecker+Valid, 13696 SdHoareTripleChecker+Invalid, 2069 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2064 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.8s IncrementalHoareTripleChecker+Time [2021-11-25 20:20:21,767 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5467 Valid, 13696 Invalid, 2069 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2064 Invalid, 5 Unknown, 0 Unchecked, 25.8s Time] [2021-11-25 20:20:21,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73812 states. [2021-11-25 20:20:25,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73812 to 73797. [2021-11-25 20:20:25,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73797 states, 44223 states have (on average 1.29254008095335) internal successors, (57160), 45709 states have internal predecessors, (57160), 23296 states have call successors, (23296), 6348 states have call predecessors, (23296), 6257 states have return successors, (23938), 22788 states have call predecessors, (23938), 23294 states have call successors, (23938) [2021-11-25 20:20:25,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73797 states to 73797 states and 104394 transitions. [2021-11-25 20:20:25,922 INFO L78 Accepts]: Start accepts. Automaton has 73797 states and 104394 transitions. Word has length 104 [2021-11-25 20:20:25,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:20:25,923 INFO L470 AbstractCegarLoop]: Abstraction has 73797 states and 104394 transitions. [2021-11-25 20:20:25,923 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-25 20:20:25,923 INFO L276 IsEmpty]: Start isEmpty. Operand 73797 states and 104394 transitions. [2021-11-25 20:20:25,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-25 20:20:25,927 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:20:25,927 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 4, 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] [2021-11-25 20:20:25,927 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-25 20:20:25,928 INFO L402 AbstractCegarLoop]: === Iteration 17 === 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 31 more)] === [2021-11-25 20:20:25,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:20:25,928 INFO L85 PathProgramCache]: Analyzing trace with hash 833091172, now seen corresponding path program 1 times [2021-11-25 20:20:25,928 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:20:25,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170974943] [2021-11-25 20:20:25,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:20:25,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:20:26,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:20:26,848 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2021-11-25 20:20:26,849 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:20:26,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170974943] [2021-11-25 20:20:26,849 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170974943] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:20:26,849 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:20:26,850 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 20:20:26,850 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032188295] [2021-11-25 20:20:26,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:20:26,851 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:20:26,852 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:20:26,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:20:26,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:20:26,853 INFO L87 Difference]: Start difference. First operand 73797 states and 104394 transitions. Second operand has 4 states, 3 states have (on average 17.0) 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), 2 states have call successors, (22) [2021-11-25 20:20:31,194 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:20:33,230 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:20:40,049 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:20:43,828 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:20:45,609 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:20:47,678 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:20:56,441 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 20:20:59,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:20:59,576 INFO L93 Difference]: Finished difference Result 147800 states and 210741 transitions. [2021-11-25 20:20:59,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 20:20:59,577 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.0) 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), 2 states have call successors, (22) Word has length 117 [2021-11-25 20:20:59,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:20:59,991 INFO L225 Difference]: With dead ends: 147800 [2021-11-25 20:20:59,992 INFO L226 Difference]: Without dead ends: 74019 [2021-11-25 20:21:00,338 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:21:00,339 INFO L933 BasicCegarLoop]: 4744 mSDtfsCounter, 4 mSDsluCounter, 10959 mSDsCounter, 0 mSdLazyCounter, 2333 mSolverCounterSat, 28 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 14199 SdHoareTripleChecker+Invalid, 2367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 2333 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.7s IncrementalHoareTripleChecker+Time [2021-11-25 20:21:00,339 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 14199 Invalid, 2367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 2333 Invalid, 6 Unknown, 0 Unchecked, 28.7s Time] [2021-11-25 20:21:00,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74019 states. [2021-11-25 20:21:04,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74019 to 73951. [2021-11-25 20:21:04,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73951 states, 44337 states have (on average 1.2935020411845637) internal successors, (57350), 45827 states have internal predecessors, (57350), 23296 states have call successors, (23296), 6384 states have call predecessors, (23296), 6297 states have return successors, (24006), 22788 states have call predecessors, (24006), 23294 states have call successors, (24006) [2021-11-25 20:21:04,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73951 states to 73951 states and 104652 transitions. [2021-11-25 20:21:04,859 INFO L78 Accepts]: Start accepts. Automaton has 73951 states and 104652 transitions. Word has length 117 [2021-11-25 20:21:04,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:21:04,859 INFO L470 AbstractCegarLoop]: Abstraction has 73951 states and 104652 transitions. [2021-11-25 20:21:04,859 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.0) 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), 2 states have call successors, (22) [2021-11-25 20:21:04,860 INFO L276 IsEmpty]: Start isEmpty. Operand 73951 states and 104652 transitions. [2021-11-25 20:21:04,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-25 20:21:04,863 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:21:04,863 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 4, 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] [2021-11-25 20:21:04,863 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-25 20:21:04,864 INFO L402 AbstractCegarLoop]: === Iteration 18 === 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 31 more)] === [2021-11-25 20:21:04,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:21:04,864 INFO L85 PathProgramCache]: Analyzing trace with hash 919991267, now seen corresponding path program 1 times [2021-11-25 20:21:04,865 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:21:04,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205172528] [2021-11-25 20:21:04,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:21:04,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:21:05,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:21:05,369 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2021-11-25 20:21:05,369 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:21:05,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205172528] [2021-11-25 20:21:05,370 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205172528] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 20:21:05,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1533279919] [2021-11-25 20:21:05,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:21:05,370 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:21:05,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:21:05,373 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:21:05,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d291df-0b01-4866-a870-833b2b444834/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 20:21:08,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:21:08,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 8297 conjuncts, 60 conjunts are in the unsatisfiable core [2021-11-25 20:21:08,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:21:08,695 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 38 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-25 20:21:08,695 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 20:21:09,343 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-11-25 20:21:09,344 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1533279919] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 20:21:09,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [101678664] [2021-11-25 20:21:09,371 INFO L159 IcfgInterpreter]: Started Sifa with 91 locations of interest [2021-11-25 20:21:09,371 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 20:21:09,377 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 20:21:09,383 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 20:21:09,384 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs