./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--scsi--mvsas--mvsas.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_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/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_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/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_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/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 df958d59bb5edd148708b18b5b5c71b9482f1f906ecf9012bf4c90c7c390f4cf --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:47:04,349 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:47:04,352 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:47:04,413 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:47:04,413 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:47:04,418 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:47:04,420 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:47:04,423 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:47:04,426 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:47:04,428 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:47:04,430 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:47:04,431 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:47:04,431 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:47:04,432 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:47:04,434 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:47:04,435 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:47:04,436 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:47:04,437 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:47:04,440 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:47:04,442 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:47:04,444 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:47:04,446 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:47:04,448 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:47:04,449 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:47:04,452 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:47:04,453 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:47:04,453 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:47:04,454 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:47:04,455 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:47:04,456 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:47:04,457 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:47:04,458 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:47:04,459 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:47:04,459 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:47:04,461 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:47:04,461 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:47:04,462 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:47:04,462 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:47:04,462 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:47:04,463 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:47:04,464 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:47:04,465 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 19:47:04,489 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:47:04,489 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:47:04,490 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:47:04,490 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:47:04,491 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:47:04,491 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:47:04,491 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:47:04,491 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:47:04,492 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:47:04,492 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 19:47:04,492 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:47:04,492 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:47:04,493 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 19:47:04,493 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 19:47:04,493 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:47:04,493 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 19:47:04,494 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 19:47:04,494 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 19:47:04,495 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:47:04,495 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 19:47:04,495 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:47:04,495 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:47:04,496 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:47:04,496 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:47:04,496 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:47:04,496 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:47:04,497 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:47:04,497 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:47:04,497 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:47:04,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:47:04,498 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:47:04,498 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:47:04,498 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:47:04,498 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 19:47:04,499 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 19:47:04,499 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:47:04,499 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:47:04,499 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:47:04,500 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_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df958d59bb5edd148708b18b5b5c71b9482f1f906ecf9012bf4c90c7c390f4cf [2021-11-25 19:47:04,734 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:47:04,764 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:47:04,766 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:47:04,767 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:47:04,769 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:47:04,770 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i [2021-11-25 19:47:04,844 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/bin/utaipan-eEHZpOm5b7/data/fb135f6fb/f9ddb9477b50484eae1a385816cdc3e5/FLAG7d2485cb7 [2021-11-25 19:47:05,886 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:47:05,887 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i [2021-11-25 19:47:05,972 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/bin/utaipan-eEHZpOm5b7/data/fb135f6fb/f9ddb9477b50484eae1a385816cdc3e5/FLAG7d2485cb7 [2021-11-25 19:47:06,180 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/bin/utaipan-eEHZpOm5b7/data/fb135f6fb/f9ddb9477b50484eae1a385816cdc3e5 [2021-11-25 19:47:06,183 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:47:06,184 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:47:06,185 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:47:06,185 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:47:06,189 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:47:06,189 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:47:06" (1/1) ... [2021-11-25 19:47:06,190 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50f08d50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:47:06, skipping insertion in model container [2021-11-25 19:47:06,190 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:47:06" (1/1) ... [2021-11-25 19:47:06,197 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:47:06,559 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:47:14,366 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[665501,665514] [2021-11-25 19:47:14,369 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[665646,665659] [2021-11-25 19:47:14,370 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[665792,665805] [2021-11-25 19:47:14,370 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[665957,665970] [2021-11-25 19:47:14,371 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[666115,666128] [2021-11-25 19:47:14,371 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[666273,666286] [2021-11-25 19:47:14,372 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[666431,666444] [2021-11-25 19:47:14,373 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[666591,666604] [2021-11-25 19:47:14,373 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[666750,666763] [2021-11-25 19:47:14,374 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[666889,666902] [2021-11-25 19:47:14,374 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[667031,667044] [2021-11-25 19:47:14,375 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[667180,667193] [2021-11-25 19:47:14,375 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[667319,667332] [2021-11-25 19:47:14,376 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[667474,667487] [2021-11-25 19:47:14,377 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[667634,667647] [2021-11-25 19:47:14,377 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[667785,667798] [2021-11-25 19:47:14,378 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[667936,667949] [2021-11-25 19:47:14,378 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[668088,668101] [2021-11-25 19:47:14,379 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[668237,668250] [2021-11-25 19:47:14,379 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[668385,668398] [2021-11-25 19:47:14,380 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[668542,668555] [2021-11-25 19:47:14,380 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[668691,668704] [2021-11-25 19:47:14,381 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[668847,668860] [2021-11-25 19:47:14,381 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[669000,669013] [2021-11-25 19:47:14,385 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[669146,669159] [2021-11-25 19:47:14,385 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[669289,669302] [2021-11-25 19:47:14,386 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[669441,669454] [2021-11-25 19:47:14,386 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[669587,669600] [2021-11-25 19:47:14,387 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[669732,669745] [2021-11-25 19:47:14,387 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[669886,669899] [2021-11-25 19:47:14,388 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[670037,670050] [2021-11-25 19:47:14,388 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[670192,670205] [2021-11-25 19:47:14,389 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[670344,670357] [2021-11-25 19:47:14,389 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[670499,670512] [2021-11-25 19:47:14,390 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[670663,670676] [2021-11-25 19:47:14,390 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[670819,670832] [2021-11-25 19:47:14,391 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[670983,670996] [2021-11-25 19:47:14,392 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[671125,671138] [2021-11-25 19:47:14,392 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[671283,671296] [2021-11-25 19:47:14,393 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[671450,671463] [2021-11-25 19:47:14,393 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[671609,671622] [2021-11-25 19:47:14,394 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[671768,671781] [2021-11-25 19:47:14,394 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[671917,671930] [2021-11-25 19:47:14,395 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[672064,672077] [2021-11-25 19:47:14,395 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[672203,672216] [2021-11-25 19:47:14,396 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[672366,672379] [2021-11-25 19:47:14,396 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[672532,672545] [2021-11-25 19:47:14,397 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[672696,672709] [2021-11-25 19:47:14,397 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[672861,672874] [2021-11-25 19:47:14,398 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[673026,673039] [2021-11-25 19:47:14,398 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[673192,673205] [2021-11-25 19:47:14,399 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[673357,673370] [2021-11-25 19:47:14,399 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[673524,673537] [2021-11-25 19:47:14,400 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[673684,673697] [2021-11-25 19:47:14,400 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[673846,673859] [2021-11-25 19:47:14,401 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[674005,674018] [2021-11-25 19:47:14,402 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[674151,674164] [2021-11-25 19:47:14,402 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[674294,674307] [2021-11-25 19:47:14,403 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[674438,674451] [2021-11-25 19:47:14,403 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[674581,674594] [2021-11-25 19:47:14,404 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[674725,674738] [2021-11-25 19:47:14,404 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[674866,674879] [2021-11-25 19:47:14,405 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[675004,675017] [2021-11-25 19:47:14,405 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[675162,675175] [2021-11-25 19:47:14,406 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[675321,675334] [2021-11-25 19:47:14,406 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[675477,675490] [2021-11-25 19:47:14,407 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[675626,675639] [2021-11-25 19:47:14,407 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[675778,675791] [2021-11-25 19:47:14,408 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[675929,675942] [2021-11-25 19:47:14,408 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[676078,676091] [2021-11-25 19:47:14,409 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[676230,676243] [2021-11-25 19:47:14,410 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[676378,676391] [2021-11-25 19:47:14,410 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[676531,676544] [2021-11-25 19:47:14,411 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[676682,676695] [2021-11-25 19:47:14,411 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[676832,676845] [2021-11-25 19:47:14,412 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[676979,676992] [2021-11-25 19:47:14,412 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[677130,677143] [2021-11-25 19:47:14,413 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[677281,677294] [2021-11-25 19:47:14,413 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[677429,677442] [2021-11-25 19:47:14,414 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[677595,677608] [2021-11-25 19:47:14,414 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[677764,677777] [2021-11-25 19:47:14,415 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[677931,677944] [2021-11-25 19:47:14,415 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[678099,678112] [2021-11-25 19:47:14,416 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[678249,678262] [2021-11-25 19:47:14,416 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[678396,678409] [2021-11-25 19:47:14,417 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[678557,678570] [2021-11-25 19:47:14,417 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[678727,678740] [2021-11-25 19:47:14,418 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[678889,678902] [2021-11-25 19:47:14,433 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:47:14,489 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 19:47:15,574 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[665501,665514] [2021-11-25 19:47:15,575 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[665646,665659] [2021-11-25 19:47:15,580 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[665792,665805] [2021-11-25 19:47:15,580 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[665957,665970] [2021-11-25 19:47:15,581 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[666115,666128] [2021-11-25 19:47:15,581 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[666273,666286] [2021-11-25 19:47:15,582 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[666431,666444] [2021-11-25 19:47:15,582 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[666591,666604] [2021-11-25 19:47:15,583 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[666750,666763] [2021-11-25 19:47:15,585 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[666889,666902] [2021-11-25 19:47:15,586 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[667031,667044] [2021-11-25 19:47:15,586 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[667180,667193] [2021-11-25 19:47:15,586 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[667319,667332] [2021-11-25 19:47:15,587 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[667474,667487] [2021-11-25 19:47:15,587 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[667634,667647] [2021-11-25 19:47:15,588 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[667785,667798] [2021-11-25 19:47:15,588 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[667936,667949] [2021-11-25 19:47:15,588 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[668088,668101] [2021-11-25 19:47:15,589 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[668237,668250] [2021-11-25 19:47:15,589 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[668385,668398] [2021-11-25 19:47:15,589 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[668542,668555] [2021-11-25 19:47:15,590 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[668691,668704] [2021-11-25 19:47:15,590 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[668847,668860] [2021-11-25 19:47:15,591 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[669000,669013] [2021-11-25 19:47:15,591 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[669146,669159] [2021-11-25 19:47:15,592 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[669289,669302] [2021-11-25 19:47:15,592 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[669441,669454] [2021-11-25 19:47:15,593 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[669587,669600] [2021-11-25 19:47:15,594 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[669732,669745] [2021-11-25 19:47:15,594 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[669886,669899] [2021-11-25 19:47:15,594 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[670037,670050] [2021-11-25 19:47:15,595 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[670192,670205] [2021-11-25 19:47:15,595 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[670344,670357] [2021-11-25 19:47:15,596 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[670499,670512] [2021-11-25 19:47:15,597 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[670663,670676] [2021-11-25 19:47:15,597 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[670819,670832] [2021-11-25 19:47:15,597 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[670983,670996] [2021-11-25 19:47:15,598 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[671125,671138] [2021-11-25 19:47:15,598 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[671283,671296] [2021-11-25 19:47:15,599 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[671450,671463] [2021-11-25 19:47:15,600 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[671609,671622] [2021-11-25 19:47:15,600 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[671768,671781] [2021-11-25 19:47:15,605 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[671917,671930] [2021-11-25 19:47:15,605 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[672064,672077] [2021-11-25 19:47:15,606 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[672203,672216] [2021-11-25 19:47:15,607 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[672366,672379] [2021-11-25 19:47:15,607 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[672532,672545] [2021-11-25 19:47:15,608 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[672696,672709] [2021-11-25 19:47:15,608 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[672861,672874] [2021-11-25 19:47:15,608 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[673026,673039] [2021-11-25 19:47:15,609 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[673192,673205] [2021-11-25 19:47:15,609 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[673357,673370] [2021-11-25 19:47:15,609 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[673524,673537] [2021-11-25 19:47:15,610 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[673684,673697] [2021-11-25 19:47:15,611 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[673846,673859] [2021-11-25 19:47:15,612 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[674005,674018] [2021-11-25 19:47:15,616 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[674151,674164] [2021-11-25 19:47:15,616 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[674294,674307] [2021-11-25 19:47:15,617 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[674438,674451] [2021-11-25 19:47:15,617 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[674581,674594] [2021-11-25 19:47:15,618 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[674725,674738] [2021-11-25 19:47:15,619 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[674866,674879] [2021-11-25 19:47:15,620 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[675004,675017] [2021-11-25 19:47:15,620 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[675162,675175] [2021-11-25 19:47:15,620 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[675321,675334] [2021-11-25 19:47:15,628 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[675477,675490] [2021-11-25 19:47:15,631 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[675626,675639] [2021-11-25 19:47:15,631 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[675778,675791] [2021-11-25 19:47:15,632 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[675929,675942] [2021-11-25 19:47:15,632 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[676078,676091] [2021-11-25 19:47:15,633 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[676230,676243] [2021-11-25 19:47:15,633 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[676378,676391] [2021-11-25 19:47:15,633 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[676531,676544] [2021-11-25 19:47:15,634 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[676682,676695] [2021-11-25 19:47:15,634 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[676832,676845] [2021-11-25 19:47:15,635 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[676979,676992] [2021-11-25 19:47:15,636 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[677130,677143] [2021-11-25 19:47:15,636 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[677281,677294] [2021-11-25 19:47:15,637 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[677429,677442] [2021-11-25 19:47:15,638 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[677595,677608] [2021-11-25 19:47:15,638 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[677764,677777] [2021-11-25 19:47:15,639 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[677931,677944] [2021-11-25 19:47:15,640 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[678099,678112] [2021-11-25 19:47:15,640 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[678249,678262] [2021-11-25 19:47:15,640 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[678396,678409] [2021-11-25 19:47:15,641 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[678557,678570] [2021-11-25 19:47:15,641 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[678727,678740] [2021-11-25 19:47:15,642 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i[678889,678902] [2021-11-25 19:47:15,648 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:47:16,349 INFO L208 MainTranslator]: Completed translation [2021-11-25 19:47:16,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:47:16 WrapperNode [2021-11-25 19:47:16,350 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:47:16,351 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 19:47:16,351 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 19:47:16,351 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 19:47:16,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:47:16" (1/1) ... [2021-11-25 19:47:16,544 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:47:16" (1/1) ... [2021-11-25 19:47:16,999 INFO L137 Inliner]: procedures = 978, calls = 4920, calls flagged for inlining = 498, calls inlined = 417, statements flattened = 11579 [2021-11-25 19:47:16,999 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 19:47:17,000 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 19:47:17,000 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 19:47:17,000 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 19:47:17,009 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:47:16" (1/1) ... [2021-11-25 19:47:17,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:47:16" (1/1) ... [2021-11-25 19:47:17,120 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:47:16" (1/1) ... [2021-11-25 19:47:17,121 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:47:16" (1/1) ... [2021-11-25 19:47:17,472 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:47:16" (1/1) ... [2021-11-25 19:47:17,521 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:47:16" (1/1) ... [2021-11-25 19:47:17,649 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:47:16" (1/1) ... [2021-11-25 19:47:17,726 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 19:47:17,728 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 19:47:17,728 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 19:47:17,728 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 19:47:17,729 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:47:16" (1/1) ... [2021-11-25 19:47:17,736 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:47:17,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:47:17,761 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 19:47:17,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 19:47:17,807 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_64xx_phy_reset [2021-11-25 19:47:17,807 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_64xx_phy_reset [2021-11-25 19:47:17,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_125 [2021-11-25 19:47:17,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_125 [2021-11-25 19:47:17,808 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_sata_done [2021-11-25 19:47:17,808 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_sata_done [2021-11-25 19:47:17,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_mvs_info [2021-11-25 19:47:17,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_mvs_info [2021-11-25 19:47:17,809 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~~u32~0 [2021-11-25 19:47:17,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~~u32~0 [2021-11-25 19:47:17,809 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_94xx_assign_reg_set [2021-11-25 19:47:17,810 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_94xx_assign_reg_set [2021-11-25 19:47:17,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-25 19:47:17,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-25 19:47:17,811 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_94xx_fix_phy_info [2021-11-25 19:47:17,811 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_94xx_fix_phy_info [2021-11-25 19:47:17,811 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_write_port_cfg_addr___0 [2021-11-25 19:47:17,811 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_write_port_cfg_addr___0 [2021-11-25 19:47:17,811 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_64xx_fix_phy_info [2021-11-25 19:47:17,812 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_64xx_fix_phy_info [2021-11-25 19:47:17,812 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_64xx_phy_disable [2021-11-25 19:47:17,812 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_64xx_phy_disable [2021-11-25 19:47:17,812 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_port_notify_formed [2021-11-25 19:47:17,812 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_port_notify_formed [2021-11-25 19:47:17,812 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_94xx_spi_write_data [2021-11-25 19:47:17,813 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_94xx_spi_write_data [2021-11-25 19:47:17,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-25 19:47:17,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-25 19:47:17,813 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_94xx_spi_read_data [2021-11-25 19:47:17,813 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_94xx_spi_read_data [2021-11-25 19:47:17,813 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-25 19:47:17,813 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-25 19:47:17,813 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_read_port_vsr_data [2021-11-25 19:47:17,813 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_read_port_vsr_data [2021-11-25 19:47:17,813 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-25 19:47:17,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-25 19:47:17,814 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_write_port_irq_mask [2021-11-25 19:47:17,814 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_write_port_irq_mask [2021-11-25 19:47:17,814 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_64xx_spi_read_data [2021-11-25 19:47:17,814 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_64xx_spi_read_data [2021-11-25 19:47:17,814 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_94xx_non_spec_ncq_error [2021-11-25 19:47:17,814 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_94xx_non_spec_ncq_error [2021-11-25 19:47:17,814 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~VOID [2021-11-25 19:47:17,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~VOID [2021-11-25 19:47:17,815 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_int_full___0 [2021-11-25 19:47:17,815 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_int_full___0 [2021-11-25 19:47:17,815 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_slot_complete [2021-11-25 19:47:17,815 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_slot_complete [2021-11-25 19:47:17,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2021-11-25 19:47:17,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2021-11-25 19:47:17,815 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_write_phy_ctl___0 [2021-11-25 19:47:17,816 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_write_phy_ctl___0 [2021-11-25 19:47:17,816 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-25 19:47:17,816 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-25 19:47:17,816 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_abort_task [2021-11-25 19:47:17,816 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_abort_task [2021-11-25 19:47:17,816 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_94xx_phy_reset [2021-11-25 19:47:17,816 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_94xx_phy_reset [2021-11-25 19:47:17,817 INFO L130 BoogieDeclarations]: Found specification of procedure sas_free_task [2021-11-25 19:47:17,817 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_free_task [2021-11-25 19:47:17,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_101 [2021-11-25 19:47:17,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_101 [2021-11-25 19:47:17,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-25 19:47:17,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-25 19:47:17,818 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_cr32 [2021-11-25 19:47:17,821 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_cr32 [2021-11-25 19:47:17,821 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_94xx_command_active [2021-11-25 19:47:17,822 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_94xx_command_active [2021-11-25 19:47:17,822 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-25 19:47:17,822 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-25 19:47:17,822 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-25 19:47:17,822 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-25 19:47:17,822 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2021-11-25 19:47:17,822 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2021-11-25 19:47:17,824 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_64xx_iounmap [2021-11-25 19:47:17,824 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_64xx_iounmap [2021-11-25 19:47:17,824 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_94xx_phy_set_link_rate [2021-11-25 19:47:17,824 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_94xx_phy_set_link_rate [2021-11-25 19:47:17,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-25 19:47:17,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-25 19:47:17,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-25 19:47:17,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-25 19:47:17,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 19:47:17,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-25 19:47:17,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-25 19:47:17,825 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_64xx_clear_active_cmds [2021-11-25 19:47:17,826 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_64xx_clear_active_cmds [2021-11-25 19:47:17,826 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_read_port_irq_stat___0 [2021-11-25 19:47:17,826 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_read_port_irq_stat___0 [2021-11-25 19:47:17,826 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_64xx_fix_dma [2021-11-25 19:47:17,826 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_64xx_fix_dma [2021-11-25 19:47:17,826 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_find_tag [2021-11-25 19:47:17,826 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_find_tag [2021-11-25 19:47:17,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-25 19:47:17,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-25 19:47:17,827 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-25 19:47:17,827 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-25 19:47:17,827 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_set_sas_addr [2021-11-25 19:47:17,827 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_set_sas_addr [2021-11-25 19:47:17,827 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_write_port_vsr_data [2021-11-25 19:47:17,827 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_write_port_vsr_data [2021-11-25 19:47:17,827 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-25 19:47:17,827 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-25 19:47:17,828 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_ioremap [2021-11-25 19:47:17,828 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_ioremap [2021-11-25 19:47:17,828 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_find_dev_by_reg_set [2021-11-25 19:47:17,828 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_find_dev_by_reg_set [2021-11-25 19:47:17,828 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2021-11-25 19:47:17,828 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2021-11-25 19:47:17,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-25 19:47:17,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-25 19:47:17,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_check_return_value_probe [2021-11-25 19:47:17,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_check_return_value_probe [2021-11-25 19:47:17,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 19:47:17,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-11-25 19:47:17,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2021-11-25 19:47:17,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_check_return_value_probe [2021-11-25 19:47:17,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_check_return_value_probe [2021-11-25 19:47:17,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 19:47:17,829 INFO L130 BoogieDeclarations]: Found specification of procedure sas_unregister_ha [2021-11-25 19:47:17,830 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_unregister_ha [2021-11-25 19:47:17,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-25 19:47:17,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-25 19:47:17,830 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-25 19:47:17,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-25 19:47:17,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 19:47:17,830 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-11-25 19:47:17,831 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-11-25 19:47:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-25 19:47:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_64xx_isr_status [2021-11-25 19:47:17,831 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_64xx_isr_status [2021-11-25 19:47:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure sas_release_transport [2021-11-25 19:47:17,831 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_release_transport [2021-11-25 19:47:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_rx_update [2021-11-25 19:47:17,831 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_rx_update [2021-11-25 19:47:17,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2021-11-25 19:47:17,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2021-11-25 19:47:17,832 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_read_port_irq_stat [2021-11-25 19:47:17,832 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_read_port_irq_stat [2021-11-25 19:47:17,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 19:47:17,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 19:47:17,832 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_port_deformed [2021-11-25 19:47:17,832 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_port_deformed [2021-11-25 19:47:17,832 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_64xx_isr [2021-11-25 19:47:17,832 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_64xx_isr [2021-11-25 19:47:17,832 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-25 19:47:17,832 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-25 19:47:17,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-25 19:47:17,833 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_64xx_oob_done [2021-11-25 19:47:17,833 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_64xx_oob_done [2021-11-25 19:47:17,833 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_94xx_clear_srs_irq [2021-11-25 19:47:17,833 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_94xx_clear_srs_irq [2021-11-25 19:47:17,833 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_94xx_interrupt_disable [2021-11-25 19:47:17,833 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_94xx_interrupt_disable [2021-11-25 19:47:17,833 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_slot_task_free [2021-11-25 19:47:17,833 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_slot_task_free [2021-11-25 19:47:17,833 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_sg_attrs [2021-11-25 19:47:17,834 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_sg_attrs [2021-11-25 19:47:17,834 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_read_port [2021-11-25 19:47:17,834 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_read_port [2021-11-25 19:47:17,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-25 19:47:17,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-25 19:47:17,834 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_94xx_fix_dma [2021-11-25 19:47:17,834 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_94xx_fix_dma [2021-11-25 19:47:17,834 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_hw_max_link_rate___0 [2021-11-25 19:47:17,834 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_hw_max_link_rate___0 [2021-11-25 19:47:17,834 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_debug_issue_ssp_tmf [2021-11-25 19:47:17,835 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_debug_issue_ssp_tmf [2021-11-25 19:47:17,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 19:47:17,835 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 19:47:17,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2021-11-25 19:47:17,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2021-11-25 19:47:17,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-25 19:47:17,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-25 19:47:17,835 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-11-25 19:47:17,835 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-11-25 19:47:17,835 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_write_phy_ctl [2021-11-25 19:47:17,836 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_write_phy_ctl [2021-11-25 19:47:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure sas_change_queue_depth [2021-11-25 19:47:17,836 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_change_queue_depth [2021-11-25 19:47:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-25 19:47:17,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-25 19:47:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-25 19:47:17,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-25 19:47:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 19:47:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-25 19:47:17,836 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-25 19:47:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-25 19:47:17,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-25 19:47:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_119 [2021-11-25 19:47:17,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_119 [2021-11-25 19:47:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2021-11-25 19:47:17,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2021-11-25 19:47:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_task_exec [2021-11-25 19:47:17,837 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_task_exec [2021-11-25 19:47:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 19:47:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-11-25 19:47:17,838 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-11-25 19:47:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_release_task [2021-11-25 19:47:17,838 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_release_task [2021-11-25 19:47:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_cr32___0 [2021-11-25 19:47:17,838 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_cr32___0 [2021-11-25 19:47:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_pci_remove [2021-11-25 19:47:17,838 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_pci_remove [2021-11-25 19:47:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_update_wideport [2021-11-25 19:47:17,838 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_update_wideport [2021-11-25 19:47:17,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_103 [2021-11-25 19:47:17,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_103 [2021-11-25 19:47:17,839 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_64xx_phy_enable [2021-11-25 19:47:17,839 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_64xx_phy_enable [2021-11-25 19:47:17,839 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-25 19:47:17,839 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-25 19:47:17,839 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2021-11-25 19:47:17,839 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2021-11-25 19:47:17,839 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_write_port_vsr_data___0 [2021-11-25 19:47:17,839 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_write_port_vsr_data___0 [2021-11-25 19:47:17,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-25 19:47:17,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-25 19:47:17,840 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_free_reg_set [2021-11-25 19:47:17,840 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_free_reg_set [2021-11-25 19:47:17,840 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2021-11-25 19:47:17,840 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2021-11-25 19:47:17,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-25 19:47:17,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-25 19:47:17,840 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-25 19:47:17,840 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-25 19:47:17,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-25 19:47:17,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-25 19:47:17,841 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_get_prd_count___0 [2021-11-25 19:47:17,841 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_get_prd_count___0 [2021-11-25 19:47:17,841 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_bytes_dmaed [2021-11-25 19:47:17,841 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_bytes_dmaed [2021-11-25 19:47:17,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 19:47:17,841 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_write_port_irq_stat___0 [2021-11-25 19:47:17,841 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_write_port_irq_stat___0 [2021-11-25 19:47:17,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-25 19:47:17,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-25 19:47:17,841 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_start_delivery [2021-11-25 19:47:17,842 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_start_delivery [2021-11-25 19:47:17,842 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_read_phy_ctl___0 [2021-11-25 19:47:17,842 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_read_phy_ctl___0 [2021-11-25 19:47:17,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_100 [2021-11-25 19:47:17,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_100 [2021-11-25 19:47:17,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_task_state_lock_of_sas_task [2021-11-25 19:47:17,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_task_state_lock_of_sas_task [2021-11-25 19:47:17,842 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_write_port_cfg_addr [2021-11-25 19:47:17,842 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_write_port_cfg_addr [2021-11-25 19:47:17,842 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_94xx_interrupt_enable [2021-11-25 19:47:17,843 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_94xx_interrupt_enable [2021-11-25 19:47:17,843 INFO L130 BoogieDeclarations]: Found specification of procedure sas_target_destroy [2021-11-25 19:47:17,843 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_target_destroy [2021-11-25 19:47:17,843 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_int_port [2021-11-25 19:47:17,843 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_int_port [2021-11-25 19:47:17,843 INFO L130 BoogieDeclarations]: Found specification of procedure sas_eh_device_reset_handler [2021-11-25 19:47:17,843 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_eh_device_reset_handler [2021-11-25 19:47:17,843 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_94xx_isr [2021-11-25 19:47:17,843 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_94xx_isr [2021-11-25 19:47:17,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_126 [2021-11-25 19:47:17,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_126 [2021-11-25 19:47:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_write_port_irq_stat [2021-11-25 19:47:17,844 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_write_port_irq_stat [2021-11-25 19:47:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_94xx_detect_porttype [2021-11-25 19:47:17,844 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_94xx_detect_porttype [2021-11-25 19:47:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_scsi_remove_host [2021-11-25 19:47:17,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_scsi_remove_host [2021-11-25 19:47:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-25 19:47:17,844 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-25 19:47:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_read_port_irq_mask___0 [2021-11-25 19:47:17,845 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_read_port_irq_mask___0 [2021-11-25 19:47:17,845 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_cw32___0 [2021-11-25 19:47:17,845 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_cw32___0 [2021-11-25 19:47:17,845 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-11-25 19:47:17,845 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_64xx_stp_reset [2021-11-25 19:47:17,845 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_64xx_stp_reset [2021-11-25 19:47:17,845 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2021-11-25 19:47:17,845 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2021-11-25 19:47:17,845 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_94xx_issue_stop [2021-11-25 19:47:17,845 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_94xx_issue_stop [2021-11-25 19:47:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-25 19:47:17,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-25 19:47:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_read_phy_ctl [2021-11-25 19:47:17,846 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_read_phy_ctl [2021-11-25 19:47:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-25 19:47:17,891 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-25 19:47:17,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-25 19:47:17,891 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-25 19:47:17,891 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-11-25 19:47:17,891 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-11-25 19:47:17,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_task_state_lock_of_sas_task [2021-11-25 19:47:17,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_task_state_lock_of_sas_task [2021-11-25 19:47:17,892 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_write_port_cfg_data___0 [2021-11-25 19:47:17,892 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_write_port_cfg_data___0 [2021-11-25 19:47:17,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 19:47:17,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 19:47:17,892 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_tag_clear [2021-11-25 19:47:17,892 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_tag_clear [2021-11-25 19:47:17,892 INFO L130 BoogieDeclarations]: Found specification of procedure sas_target_alloc [2021-11-25 19:47:17,892 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_target_alloc [2021-11-25 19:47:17,892 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-11-25 19:47:17,892 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-11-25 19:47:17,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_remap [2021-11-25 19:47:17,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_remap [2021-11-25 19:47:17,893 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_sg_attrs [2021-11-25 19:47:17,893 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_sg_attrs [2021-11-25 19:47:17,893 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_int_sata [2021-11-25 19:47:17,893 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_int_sata [2021-11-25 19:47:17,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-25 19:47:17,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-25 19:47:17,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-25 19:47:17,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-25 19:47:17,894 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_64xx_assign_reg_set [2021-11-25 19:47:17,894 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_64xx_assign_reg_set [2021-11-25 19:47:17,894 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_94xx_make_prd [2021-11-25 19:47:17,894 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_94xx_make_prd [2021-11-25 19:47:17,894 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_dev_found [2021-11-25 19:47:17,894 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_dev_found [2021-11-25 19:47:17,894 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_94xx_free_reg_set [2021-11-25 19:47:17,894 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_94xx_free_reg_set [2021-11-25 19:47:17,894 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_64xx_free_reg_set [2021-11-25 19:47:17,894 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_64xx_free_reg_set [2021-11-25 19:47:17,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-25 19:47:17,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-25 19:47:17,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-25 19:47:17,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-25 19:47:17,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-25 19:47:17,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-25 19:47:17,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 19:47:17,895 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_64xx_ioremap [2021-11-25 19:47:17,895 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_64xx_ioremap [2021-11-25 19:47:17,895 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-11-25 19:47:17,896 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-11-25 19:47:17,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-25 19:47:17,896 INFO L130 BoogieDeclarations]: Found specification of procedure sas_protocol_ata [2021-11-25 19:47:17,896 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_protocol_ata [2021-11-25 19:47:17,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-25 19:47:17,896 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_64xx_detect_porttype [2021-11-25 19:47:17,896 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_64xx_detect_porttype [2021-11-25 19:47:17,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-11-25 19:47:17,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-11-25 19:47:17,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-25 19:47:17,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-25 19:47:17,897 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_64xx_command_active [2021-11-25 19:47:17,897 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_64xx_command_active [2021-11-25 19:47:17,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-25 19:47:17,897 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-25 19:47:17,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-25 19:47:17,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-25 19:47:17,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-25 19:47:17,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-25 19:47:17,898 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_94xx_clear_active_cmds [2021-11-25 19:47:17,898 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_94xx_clear_active_cmds [2021-11-25 19:47:17,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-25 19:47:17,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-25 19:47:17,898 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_write_port_vsr_addr [2021-11-25 19:47:17,898 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_write_port_vsr_addr [2021-11-25 19:47:17,898 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_64xx_interrupt_enable [2021-11-25 19:47:17,898 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_64xx_interrupt_enable [2021-11-25 19:47:17,898 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-25 19:47:17,902 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-25 19:47:17,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-25 19:47:17,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-25 19:47:17,902 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_read_port_cfg_data [2021-11-25 19:47:17,902 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_read_port_cfg_data [2021-11-25 19:47:17,902 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_int_rx [2021-11-25 19:47:17,903 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_int_rx [2021-11-25 19:47:17,903 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_query_task [2021-11-25 19:47:17,903 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_query_task [2021-11-25 19:47:17,903 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_slot_free [2021-11-25 19:47:17,903 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_slot_free [2021-11-25 19:47:17,903 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-11-25 19:47:17,903 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-11-25 19:47:17,903 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_write_port_vsr_addr___0 [2021-11-25 19:47:17,903 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_write_port_vsr_addr___0 [2021-11-25 19:47:17,903 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_int_full [2021-11-25 19:47:17,904 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_int_full [2021-11-25 19:47:17,904 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_64xx_clear_srs_irq [2021-11-25 19:47:17,904 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_64xx_clear_srs_irq [2021-11-25 19:47:17,904 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_64xx_spi_write_data [2021-11-25 19:47:17,904 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_64xx_spi_write_data [2021-11-25 19:47:17,904 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 19:47:17,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 19:47:17,904 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_64xx_tune_interrupt [2021-11-25 19:47:17,904 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_64xx_tune_interrupt [2021-11-25 19:47:17,905 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-25 19:47:17,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-25 19:47:17,905 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_handle_event [2021-11-25 19:47:17,905 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_handle_event [2021-11-25 19:47:17,905 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_port_formed [2021-11-25 19:47:17,905 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_port_formed [2021-11-25 19:47:17,905 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_64xx_init [2021-11-25 19:47:17,905 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_64xx_init [2021-11-25 19:47:17,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-25 19:47:17,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-25 19:47:17,906 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-25 19:47:17,906 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-25 19:47:17,906 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_write_port_irq_mask___0 [2021-11-25 19:47:17,906 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_write_port_irq_mask___0 [2021-11-25 19:47:17,906 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_64xx_phy_set_link_rate [2021-11-25 19:47:17,906 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_64xx_phy_set_link_rate [2021-11-25 19:47:17,906 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_94xx_iounmap [2021-11-25 19:47:17,906 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_94xx_iounmap [2021-11-25 19:47:17,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-25 19:47:17,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-25 19:47:17,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-25 19:47:17,907 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~int~TO~VOID [2021-11-25 19:47:17,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~int~TO~VOID [2021-11-25 19:47:17,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-25 19:47:17,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-25 19:47:17,907 INFO L130 BoogieDeclarations]: Found specification of procedure int_to_scsilun [2021-11-25 19:47:17,907 INFO L138 BoogieDeclarations]: Found implementation of procedure int_to_scsilun [2021-11-25 19:47:17,907 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_scan_finished [2021-11-25 19:47:17,907 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_scan_finished [2021-11-25 19:47:17,907 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_94xx_oob_done [2021-11-25 19:47:17,908 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_94xx_oob_done [2021-11-25 19:47:17,908 INFO L130 BoogieDeclarations]: Found specification of procedure sas_eh_bus_reset_handler [2021-11-25 19:47:17,908 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_eh_bus_reset_handler [2021-11-25 19:47:17,908 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_remove_host [2021-11-25 19:47:17,908 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_remove_host [2021-11-25 19:47:17,908 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_64xx_phy_work_around [2021-11-25 19:47:17,908 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_64xx_phy_work_around [2021-11-25 19:47:17,908 INFO L130 BoogieDeclarations]: Found specification of procedure sas_slave_configure [2021-11-25 19:47:17,908 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_slave_configure [2021-11-25 19:47:17,909 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-25 19:47:17,909 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-25 19:47:17,909 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_iounmap [2021-11-25 19:47:17,909 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_iounmap [2021-11-25 19:47:17,909 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_94xx_isr_status [2021-11-25 19:47:17,909 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_94xx_isr_status [2021-11-25 19:47:17,909 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2021-11-25 19:47:17,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2021-11-25 19:47:17,909 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2021-11-25 19:47:17,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2021-11-25 19:47:17,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 19:47:17,910 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-25 19:47:17,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-25 19:47:17,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-25 19:47:17,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-25 19:47:17,910 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_64xx_issue_stop [2021-11-25 19:47:17,910 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_64xx_issue_stop [2021-11-25 19:47:17,910 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-25 19:47:17,910 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-25 19:47:17,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-25 19:47:17,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-25 19:47:17,911 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_64xx_interrupt_disable [2021-11-25 19:47:17,911 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_64xx_interrupt_disable [2021-11-25 19:47:17,911 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_94xx_make_dev_info [2021-11-25 19:47:17,911 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_94xx_make_dev_info [2021-11-25 19:47:17,911 INFO L130 BoogieDeclarations]: Found specification of procedure sas_ssp_task_response [2021-11-25 19:47:17,911 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_ssp_task_response [2021-11-25 19:47:17,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-25 19:47:17,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-25 19:47:17,912 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_is_phy_ready [2021-11-25 19:47:17,912 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_is_phy_ready [2021-11-25 19:47:17,912 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_read_port_vsr_data___0 [2021-11-25 19:47:17,912 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_read_port_vsr_data___0 [2021-11-25 19:47:17,912 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_94xx_phy_enable [2021-11-25 19:47:17,912 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_94xx_phy_enable [2021-11-25 19:47:17,912 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_free [2021-11-25 19:47:17,912 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_free [2021-11-25 19:47:17,912 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_do_release_task [2021-11-25 19:47:17,912 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_do_release_task [2021-11-25 19:47:17,913 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2021-11-25 19:47:17,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2021-11-25 19:47:17,913 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-25 19:47:17,913 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-25 19:47:17,913 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_dev_gone_notify [2021-11-25 19:47:17,913 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_dev_gone_notify [2021-11-25 19:47:17,913 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_94xx_phy_disable [2021-11-25 19:47:17,913 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_94xx_phy_disable [2021-11-25 19:47:17,913 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_dev_gone [2021-11-25 19:47:17,913 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_dev_gone [2021-11-25 19:47:17,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-25 19:47:17,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-25 19:47:17,914 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-25 19:47:17,914 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-25 19:47:17,914 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_scan_start [2021-11-25 19:47:17,914 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_scan_start [2021-11-25 19:47:17,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-25 19:47:17,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-25 19:47:17,914 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-25 19:47:17,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-25 19:47:17,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-25 19:47:17,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-25 19:47:17,915 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_64xx_make_prd [2021-11-25 19:47:17,915 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_64xx_make_prd [2021-11-25 19:47:17,915 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_get_prd_size___0 [2021-11-25 19:47:17,915 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_get_prd_size___0 [2021-11-25 19:47:17,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_mvs_info [2021-11-25 19:47:17,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_mvs_info [2021-11-25 19:47:17,915 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_94xx_init [2021-11-25 19:47:17,916 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_94xx_init [2021-11-25 19:47:17,916 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2021-11-25 19:47:17,916 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2021-11-25 19:47:17,916 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_cw32 [2021-11-25 19:47:17,916 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_cw32 [2021-11-25 19:47:17,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-25 19:47:17,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-25 19:47:17,916 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~~u32~0 [2021-11-25 19:47:17,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~~u32~0 [2021-11-25 19:47:17,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-25 19:47:17,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-25 19:47:17,917 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-25 19:47:17,917 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-25 19:47:17,917 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_write_port [2021-11-25 19:47:17,917 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_write_port [2021-11-25 19:47:17,917 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_update_phyinfo [2021-11-25 19:47:17,917 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_update_phyinfo [2021-11-25 19:47:17,917 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_94xx_ioremap [2021-11-25 19:47:17,917 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_94xx_ioremap [2021-11-25 19:47:17,917 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_94xx_tune_interrupt [2021-11-25 19:47:17,918 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_94xx_tune_interrupt [2021-11-25 19:47:17,918 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-25 19:47:17,918 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-25 19:47:17,918 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_read_port_cfg_data___0 [2021-11-25 19:47:17,918 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_read_port_cfg_data___0 [2021-11-25 19:47:17,918 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-25 19:47:17,918 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-25 19:47:17,918 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2021-11-25 19:47:17,918 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2021-11-25 19:47:17,918 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_I_T_nexus_reset [2021-11-25 19:47:17,919 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_I_T_nexus_reset [2021-11-25 19:47:17,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 19:47:17,919 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_store_interrupt_coalescing [2021-11-25 19:47:17,919 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_store_interrupt_coalescing [2021-11-25 19:47:17,919 INFO L130 BoogieDeclarations]: Found specification of procedure mvs_port_notify_deformed [2021-11-25 19:47:17,919 INFO L138 BoogieDeclarations]: Found implementation of procedure mvs_port_notify_deformed [2021-11-25 19:47:19,526 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 19:47:19,535 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 19:47:19,726 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-25 19:47:28,497 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 19:47:31,034 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 19:47:31,034 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-25 19:47:31,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:47:31 BoogieIcfgContainer [2021-11-25 19:47:31,042 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 19:47:31,043 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 19:47:31,043 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 19:47:31,046 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 19:47:31,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 07:47:06" (1/3) ... [2021-11-25 19:47:31,047 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d509eec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:47:31, skipping insertion in model container [2021-11-25 19:47:31,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:47:16" (2/3) ... [2021-11-25 19:47:31,048 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d509eec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:47:31, skipping insertion in model container [2021-11-25 19:47:31,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:47:31" (3/3) ... [2021-11-25 19:47:31,049 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--scsi--mvsas--mvsas.ko.cil.i [2021-11-25 19:47:31,054 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 19:47:31,054 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 29 error locations. [2021-11-25 19:47:31,111 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 19:47:31,117 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 19:47:31,117 INFO L340 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2021-11-25 19:47:31,197 INFO L276 IsEmpty]: Start isEmpty. Operand has 3589 states, 2063 states have (on average 1.3364032961706254) internal successors, (2757), 2239 states have internal predecessors, (2757), 1243 states have call successors, (1243), 254 states have call predecessors, (1243), 253 states have return successors, (1236), 1167 states have call predecessors, (1236), 1236 states have call successors, (1236) [2021-11-25 19:47:31,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-25 19:47:31,204 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:47:31,205 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-25 19:47:31,205 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 27 more)] === [2021-11-25 19:47:31,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:47:31,210 INFO L85 PathProgramCache]: Analyzing trace with hash -1433076335, now seen corresponding path program 1 times [2021-11-25 19:47:31,219 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:47:31,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281562010] [2021-11-25 19:47:31,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:47:31,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:47:31,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:47:32,359 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-25 19:47:32,360 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:47:32,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281562010] [2021-11-25 19:47:32,360 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281562010] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:47:32,360 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:47:32,361 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:47:32,362 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106229793] [2021-11-25 19:47:32,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:47:32,366 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:47:32,366 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:47:32,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:47:32,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:47:32,402 INFO L87 Difference]: Start difference. First operand has 3589 states, 2063 states have (on average 1.3364032961706254) internal successors, (2757), 2239 states have internal predecessors, (2757), 1243 states have call successors, (1243), 254 states have call predecessors, (1243), 253 states have return successors, (1236), 1167 states have call predecessors, (1236), 1236 states have call successors, (1236) Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-25 19:47:36,351 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 19:47:41,951 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:47:44,216 WARN L534 Checker$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 19:47:46,345 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:47:49,307 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:47:49,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:47:49,355 INFO L93 Difference]: Finished difference Result 10543 states and 15834 transitions. [2021-11-25 19:47:49,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 19:47:49,358 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 48 [2021-11-25 19:47:49,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:47:49,467 INFO L225 Difference]: With dead ends: 10543 [2021-11-25 19:47:49,468 INFO L226 Difference]: Without dead ends: 6953 [2021-11-25 19:47:49,506 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 19:47:49,512 INFO L933 BasicCegarLoop]: 6307 mSDtfsCounter, 4907 mSDsluCounter, 12186 mSDsCounter, 0 mSdLazyCounter, 1814 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4911 SdHoareTripleChecker+Valid, 17320 SdHoareTripleChecker+Invalid, 1820 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1814 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:47:49,513 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4911 Valid, 17320 Invalid, 1820 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1814 Invalid, 5 Unknown, 0 Unchecked, 16.3s Time] [2021-11-25 19:47:49,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6953 states. [2021-11-25 19:47:50,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6953 to 6766. [2021-11-25 19:47:50,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6766 states, 3903 states have (on average 1.3228285933897002) internal successors, (5163), 4218 states have internal predecessors, (5163), 2354 states have call successors, (2354), 483 states have call predecessors, (2354), 480 states have return successors, (2435), 2206 states have call predecessors, (2435), 2352 states have call successors, (2435) [2021-11-25 19:47:50,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6766 states to 6766 states and 9952 transitions. [2021-11-25 19:47:50,200 INFO L78 Accepts]: Start accepts. Automaton has 6766 states and 9952 transitions. Word has length 48 [2021-11-25 19:47:50,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:47:50,203 INFO L470 AbstractCegarLoop]: Abstraction has 6766 states and 9952 transitions. [2021-11-25 19:47:50,203 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-25 19:47:50,204 INFO L276 IsEmpty]: Start isEmpty. Operand 6766 states and 9952 transitions. [2021-11-25 19:47:50,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-25 19:47:50,213 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:47:50,213 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-25 19:47:50,213 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 19:47:50,214 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 27 more)] === [2021-11-25 19:47:50,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:47:50,217 INFO L85 PathProgramCache]: Analyzing trace with hash 495448244, now seen corresponding path program 1 times [2021-11-25 19:47:50,218 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:47:50,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580696199] [2021-11-25 19:47:50,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:47:50,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:47:50,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:47:50,676 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-25 19:47:50,677 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:47:50,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580696199] [2021-11-25 19:47:50,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580696199] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:47:50,677 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:47:50,678 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:47:50,678 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394994446] [2021-11-25 19:47:50,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:47:50,680 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:47:50,680 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:47:50,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:47:50,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:47:50,683 INFO L87 Difference]: Start difference. First operand 6766 states and 9952 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-25 19:47:56,595 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:47:58,873 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:48:00,962 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:48:07,589 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:48:07,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:48:07,610 INFO L93 Difference]: Finished difference Result 10312 states and 15098 transitions. [2021-11-25 19:48:07,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 19:48:07,611 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 53 [2021-11-25 19:48:07,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:48:07,706 INFO L225 Difference]: With dead ends: 10312 [2021-11-25 19:48:07,706 INFO L226 Difference]: Without dead ends: 10310 [2021-11-25 19:48:07,714 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 19:48:07,715 INFO L933 BasicCegarLoop]: 5881 mSDtfsCounter, 5153 mSDsluCounter, 11584 mSDsCounter, 0 mSdLazyCounter, 1669 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5157 SdHoareTripleChecker+Valid, 16358 SdHoareTripleChecker+Invalid, 1672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1669 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.4s IncrementalHoareTripleChecker+Time [2021-11-25 19:48:07,715 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5157 Valid, 16358 Invalid, 1672 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1669 Invalid, 2 Unknown, 0 Unchecked, 16.4s Time] [2021-11-25 19:48:07,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10310 states. [2021-11-25 19:48:08,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10310 to 10144. [2021-11-25 19:48:08,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10144 states, 5858 states have (on average 1.3236599522021169) internal successors, (7754), 6318 states have internal predecessors, (7754), 3542 states have call successors, (3542), 718 states have call predecessors, (3542), 715 states have return successors, (3627), 3321 states have call predecessors, (3627), 3540 states have call successors, (3627) [2021-11-25 19:48:08,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10144 states to 10144 states and 14923 transitions. [2021-11-25 19:48:08,500 INFO L78 Accepts]: Start accepts. Automaton has 10144 states and 14923 transitions. Word has length 53 [2021-11-25 19:48:08,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:48:08,501 INFO L470 AbstractCegarLoop]: Abstraction has 10144 states and 14923 transitions. [2021-11-25 19:48:08,502 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-25 19:48:08,502 INFO L276 IsEmpty]: Start isEmpty. Operand 10144 states and 14923 transitions. [2021-11-25 19:48:08,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-25 19:48:08,508 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:48:08,508 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-25 19:48:08,508 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 19:48:08,509 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 27 more)] === [2021-11-25 19:48:08,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:48:08,509 INFO L85 PathProgramCache]: Analyzing trace with hash -973841906, now seen corresponding path program 1 times [2021-11-25 19:48:08,509 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:48:08,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387908524] [2021-11-25 19:48:08,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:48:08,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:48:08,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:48:08,981 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-25 19:48:08,982 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:48:08,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387908524] [2021-11-25 19:48:08,982 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387908524] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:48:08,982 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:48:08,983 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:48:08,983 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012640455] [2021-11-25 19:48:08,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:48:08,983 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:48:08,984 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:48:08,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:48:08,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:48:08,985 INFO L87 Difference]: Start difference. First operand 10144 states and 14923 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-25 19:48:13,094 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:48:16,713 WARN L534 Checker$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 19:48:19,219 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:48:23,928 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:48:25,945 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:48:27,363 WARN L534 Checker$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 19:48:29,346 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:48:32,124 WARN L534 Checker$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 19:48:32,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:48:32,142 INFO L93 Difference]: Finished difference Result 10310 states and 15096 transitions. [2021-11-25 19:48:32,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 19:48:32,143 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 58 [2021-11-25 19:48:32,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:48:32,238 INFO L225 Difference]: With dead ends: 10310 [2021-11-25 19:48:32,239 INFO L226 Difference]: Without dead ends: 10308 [2021-11-25 19:48:32,258 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 19:48:32,259 INFO L933 BasicCegarLoop]: 5881 mSDtfsCounter, 5150 mSDsluCounter, 11586 mSDsCounter, 0 mSdLazyCounter, 1668 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5154 SdHoareTripleChecker+Valid, 16358 SdHoareTripleChecker+Invalid, 1674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1668 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.7s IncrementalHoareTripleChecker+Time [2021-11-25 19:48:32,259 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5154 Valid, 16358 Invalid, 1674 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1668 Invalid, 5 Unknown, 0 Unchecked, 22.7s Time] [2021-11-25 19:48:32,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10308 states. [2021-11-25 19:48:32,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10308 to 10150. [2021-11-25 19:48:32,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10150 states, 5861 states have (on average 1.3234942842518342) internal successors, (7757), 6321 states have internal predecessors, (7757), 3544 states have call successors, (3544), 719 states have call predecessors, (3544), 716 states have return successors, (3629), 3323 states have call predecessors, (3629), 3542 states have call successors, (3629) [2021-11-25 19:48:33,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10150 states to 10150 states and 14930 transitions. [2021-11-25 19:48:33,050 INFO L78 Accepts]: Start accepts. Automaton has 10150 states and 14930 transitions. Word has length 58 [2021-11-25 19:48:33,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:48:33,051 INFO L470 AbstractCegarLoop]: Abstraction has 10150 states and 14930 transitions. [2021-11-25 19:48:33,051 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-25 19:48:33,052 INFO L276 IsEmpty]: Start isEmpty. Operand 10150 states and 14930 transitions. [2021-11-25 19:48:33,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-25 19:48:33,054 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:48:33,054 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-25 19:48:33,054 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 19:48:33,054 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 27 more)] === [2021-11-25 19:48:33,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:48:33,055 INFO L85 PathProgramCache]: Analyzing trace with hash -1809688299, now seen corresponding path program 1 times [2021-11-25 19:48:33,055 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:48:33,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564639379] [2021-11-25 19:48:33,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:48:33,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:48:33,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:48:33,410 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-25 19:48:33,410 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:48:33,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564639379] [2021-11-25 19:48:33,410 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564639379] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:48:33,410 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:48:33,411 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:48:33,411 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437197991] [2021-11-25 19:48:33,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:48:33,411 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:48:33,412 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:48:33,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:48:33,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:48:33,412 INFO L87 Difference]: Start difference. First operand 10150 states and 14930 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-25 19:48:36,714 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:48:39,978 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:48:41,780 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:48:44,195 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:48:46,394 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:48:48,245 WARN L534 Checker$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 19:48:51,436 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:48:52,680 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:48:54,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:48:54,387 INFO L93 Difference]: Finished difference Result 10308 states and 15094 transitions. [2021-11-25 19:48:54,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 19:48:54,387 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 63 [2021-11-25 19:48:54,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:48:54,451 INFO L225 Difference]: With dead ends: 10308 [2021-11-25 19:48:54,451 INFO L226 Difference]: Without dead ends: 10306 [2021-11-25 19:48:54,461 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 19:48:54,462 INFO L933 BasicCegarLoop]: 5881 mSDtfsCounter, 5147 mSDsluCounter, 11584 mSDsCounter, 0 mSdLazyCounter, 1668 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5151 SdHoareTripleChecker+Valid, 16358 SdHoareTripleChecker+Invalid, 1672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1668 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.7s IncrementalHoareTripleChecker+Time [2021-11-25 19:48:54,463 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5151 Valid, 16358 Invalid, 1672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1668 Invalid, 3 Unknown, 0 Unchecked, 20.7s Time] [2021-11-25 19:48:54,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10306 states. [2021-11-25 19:48:55,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10306 to 10156. [2021-11-25 19:48:55,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10156 states, 5864 states have (on average 1.3233287858117326) internal successors, (7760), 6324 states have internal predecessors, (7760), 3546 states have call successors, (3546), 720 states have call predecessors, (3546), 717 states have return successors, (3631), 3325 states have call predecessors, (3631), 3544 states have call successors, (3631) [2021-11-25 19:48:55,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10156 states to 10156 states and 14937 transitions. [2021-11-25 19:48:55,224 INFO L78 Accepts]: Start accepts. Automaton has 10156 states and 14937 transitions. Word has length 63 [2021-11-25 19:48:55,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:48:55,225 INFO L470 AbstractCegarLoop]: Abstraction has 10156 states and 14937 transitions. [2021-11-25 19:48:55,225 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-25 19:48:55,226 INFO L276 IsEmpty]: Start isEmpty. Operand 10156 states and 14937 transitions. [2021-11-25 19:48:55,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-25 19:48:55,228 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:48:55,229 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1] [2021-11-25 19:48:55,229 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 19:48:55,230 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 27 more)] === [2021-11-25 19:48:55,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:48:55,231 INFO L85 PathProgramCache]: Analyzing trace with hash 2101681567, now seen corresponding path program 1 times [2021-11-25 19:48:55,231 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:48:55,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791258471] [2021-11-25 19:48:55,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:48:55,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:48:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:48:55,634 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-25 19:48:55,635 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:48:55,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791258471] [2021-11-25 19:48:55,635 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791258471] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:48:55,635 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:48:55,636 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:48:55,636 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068562417] [2021-11-25 19:48:55,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:48:55,637 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:48:55,637 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:48:55,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:48:55,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:48:55,638 INFO L87 Difference]: Start difference. First operand 10156 states and 14937 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-25 19:49:01,145 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:49:02,873 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:49:04,931 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:49:07,147 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:49:10,434 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:49:11,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:49:11,757 INFO L93 Difference]: Finished difference Result 10891 states and 15910 transitions. [2021-11-25 19:49:11,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 19:49:11,758 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 68 [2021-11-25 19:49:11,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:49:11,824 INFO L225 Difference]: With dead ends: 10891 [2021-11-25 19:49:11,825 INFO L226 Difference]: Without dead ends: 10889 [2021-11-25 19:49:11,835 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 19:49:11,836 INFO L933 BasicCegarLoop]: 5876 mSDtfsCounter, 5131 mSDsluCounter, 11577 mSDsCounter, 0 mSdLazyCounter, 1665 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5137 SdHoareTripleChecker+Valid, 16348 SdHoareTripleChecker+Invalid, 1670 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1665 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.7s IncrementalHoareTripleChecker+Time [2021-11-25 19:49:11,837 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5137 Valid, 16348 Invalid, 1670 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1665 Invalid, 4 Unknown, 0 Unchecked, 15.7s Time] [2021-11-25 19:49:11,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10889 states. [2021-11-25 19:49:12,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10889 to 10746. [2021-11-25 19:49:12,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10746 states, 6170 states have (on average 1.319611021069692) internal successors, (8142), 6665 states have internal predecessors, (8142), 3766 states have call successors, (3766), 783 states have call predecessors, (3766), 781 states have return successors, (3853), 3523 states have call predecessors, (3853), 3764 states have call successors, (3853) [2021-11-25 19:49:12,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10746 states to 10746 states and 15761 transitions. [2021-11-25 19:49:12,771 INFO L78 Accepts]: Start accepts. Automaton has 10746 states and 15761 transitions. Word has length 68 [2021-11-25 19:49:12,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:49:12,772 INFO L470 AbstractCegarLoop]: Abstraction has 10746 states and 15761 transitions. [2021-11-25 19:49:12,772 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-25 19:49:12,772 INFO L276 IsEmpty]: Start isEmpty. Operand 10746 states and 15761 transitions. [2021-11-25 19:49:12,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-25 19:49:12,774 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:49:12,774 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 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] [2021-11-25 19:49:12,774 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-25 19:49:12,774 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__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 27 more)] === [2021-11-25 19:49:12,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:49:12,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1881082878, now seen corresponding path program 1 times [2021-11-25 19:49:12,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:49:12,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767161831] [2021-11-25 19:49:12,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:49:12,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:49:12,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:49:13,166 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-25 19:49:13,167 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:49:13,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767161831] [2021-11-25 19:49:13,168 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767161831] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:49:13,168 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:49:13,168 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 19:49:13,168 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414295658] [2021-11-25 19:49:13,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:49:13,169 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 19:49:13,169 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:49:13,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 19:49:13,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:49:13,170 INFO L87 Difference]: Start difference. First operand 10746 states and 15761 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-25 19:49:17,784 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 19:49:24,129 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:49:26,511 WARN L534 Checker$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 19:49:29,537 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:49:31,571 WARN L534 Checker$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 19:49:33,665 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:49:35,698 WARN L534 Checker$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 19:49:37,735 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:49:41,586 WARN L534 Checker$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 19:49:41,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:49:41,642 INFO L93 Difference]: Finished difference Result 20155 states and 30009 transitions. [2021-11-25 19:49:41,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-25 19:49:41,642 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 81 [2021-11-25 19:49:41,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:49:41,757 INFO L225 Difference]: With dead ends: 20155 [2021-11-25 19:49:41,758 INFO L226 Difference]: Without dead ends: 20153 [2021-11-25 19:49:41,774 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-25 19:49:41,775 INFO L933 BasicCegarLoop]: 6240 mSDtfsCounter, 4884 mSDsluCounter, 18892 mSDsCounter, 0 mSdLazyCounter, 2452 mSolverCounterSat, 4 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4888 SdHoareTripleChecker+Valid, 23321 SdHoareTripleChecker+Invalid, 2464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2452 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.8s IncrementalHoareTripleChecker+Time [2021-11-25 19:49:41,775 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4888 Valid, 23321 Invalid, 2464 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 2452 Invalid, 8 Unknown, 0 Unchecked, 27.8s Time] [2021-11-25 19:49:41,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20153 states. [2021-11-25 19:49:42,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20153 to 19921. [2021-11-25 19:49:43,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19921 states, 11457 states have (on average 1.3225102557388495) internal successors, (15152), 12400 states have internal predecessors, (15152), 6988 states have call successors, (6988), 1472 states have call predecessors, (6988), 1447 states have return successors, (7611), 6469 states have call predecessors, (7611), 6986 states have call successors, (7611) [2021-11-25 19:49:43,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19921 states to 19921 states and 29751 transitions. [2021-11-25 19:49:43,129 INFO L78 Accepts]: Start accepts. Automaton has 19921 states and 29751 transitions. Word has length 81 [2021-11-25 19:49:43,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:49:43,130 INFO L470 AbstractCegarLoop]: Abstraction has 19921 states and 29751 transitions. [2021-11-25 19:49:43,130 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-25 19:49:43,130 INFO L276 IsEmpty]: Start isEmpty. Operand 19921 states and 29751 transitions. [2021-11-25 19:49:43,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-25 19:49:43,133 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:49:43,133 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:49:43,133 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-25 19:49:43,133 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-25 19:49:43,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:49:43,134 INFO L85 PathProgramCache]: Analyzing trace with hash 1070479403, now seen corresponding path program 1 times [2021-11-25 19:49:43,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:49:43,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391921988] [2021-11-25 19:49:43,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:49:43,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:49:43,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:49:43,441 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-25 19:49:43,441 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:49:43,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391921988] [2021-11-25 19:49:43,441 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391921988] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:49:43,442 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:49:43,442 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:49:43,442 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462973853] [2021-11-25 19:49:43,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:49:43,442 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:49:43,443 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:49:43,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:49:43,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:49:43,443 INFO L87 Difference]: Start difference. First operand 19921 states and 29751 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-25 19:49:46,891 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:49:50,853 WARN L534 Checker$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 19:49:52,989 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:49:55,069 WARN L534 Checker$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 19:50:01,344 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 19:50:01,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:50:01,378 INFO L93 Difference]: Finished difference Result 26910 states and 40005 transitions. [2021-11-25 19:50:01,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 19:50:01,379 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 73 [2021-11-25 19:50:01,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:50:01,509 INFO L225 Difference]: With dead ends: 26910 [2021-11-25 19:50:01,510 INFO L226 Difference]: Without dead ends: 26908 [2021-11-25 19:50:01,527 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 19:50:01,528 INFO L933 BasicCegarLoop]: 5833 mSDtfsCounter, 4921 mSDsluCounter, 11534 mSDsCounter, 0 mSdLazyCounter, 1666 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4925 SdHoareTripleChecker+Valid, 16262 SdHoareTripleChecker+Invalid, 1672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1666 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:50:01,529 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4925 Valid, 16262 Invalid, 1672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1666 Invalid, 5 Unknown, 0 Unchecked, 17.3s Time] [2021-11-25 19:50:01,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26908 states. [2021-11-25 19:50:02,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26908 to 26770. [2021-11-25 19:50:03,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26770 states, 15376 states have (on average 1.3210848074921957) internal successors, (20313), 16640 states have internal predecessors, (20313), 9394 states have call successors, (9394), 2002 states have call predecessors, (9394), 1971 states have return successors, (10153), 8692 states have call predecessors, (10153), 9392 states have call successors, (10153) [2021-11-25 19:50:03,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26770 states to 26770 states and 39860 transitions. [2021-11-25 19:50:03,184 INFO L78 Accepts]: Start accepts. Automaton has 26770 states and 39860 transitions. Word has length 73 [2021-11-25 19:50:03,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:50:03,185 INFO L470 AbstractCegarLoop]: Abstraction has 26770 states and 39860 transitions. [2021-11-25 19:50:03,185 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-25 19:50:03,185 INFO L276 IsEmpty]: Start isEmpty. Operand 26770 states and 39860 transitions. [2021-11-25 19:50:03,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-25 19:50:03,187 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:50:03,187 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:50:03,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-25 19:50:03,188 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 27 more)] === [2021-11-25 19:50:03,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:50:03,188 INFO L85 PathProgramCache]: Analyzing trace with hash 4266167, now seen corresponding path program 1 times [2021-11-25 19:50:03,188 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:50:03,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109443252] [2021-11-25 19:50:03,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:50:03,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:50:03,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:50:03,480 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-25 19:50:03,481 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:50:03,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109443252] [2021-11-25 19:50:03,481 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109443252] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:50:03,481 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:50:03,481 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:50:03,481 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933153278] [2021-11-25 19:50:03,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:50:03,483 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:50:03,483 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:50:03,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:50:03,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:50:03,483 INFO L87 Difference]: Start difference. First operand 26770 states and 39860 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-25 19:50:10,773 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 19:50:13,023 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:50:15,163 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:50:20,697 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:50:22,744 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:50:23,884 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:50:25,265 WARN L534 Checker$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 19:50:25,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:50:25,304 INFO L93 Difference]: Finished difference Result 27819 states and 41187 transitions. [2021-11-25 19:50:25,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 19:50:25,304 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 78 [2021-11-25 19:50:25,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:50:25,487 INFO L225 Difference]: With dead ends: 27819 [2021-11-25 19:50:25,487 INFO L226 Difference]: Without dead ends: 27817 [2021-11-25 19:50:25,499 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 19:50:25,499 INFO L933 BasicCegarLoop]: 5844 mSDtfsCounter, 4961 mSDsluCounter, 11548 mSDsCounter, 0 mSdLazyCounter, 1669 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4963 SdHoareTripleChecker+Valid, 16284 SdHoareTripleChecker+Invalid, 1674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1669 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.8s IncrementalHoareTripleChecker+Time [2021-11-25 19:50:25,500 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4963 Valid, 16284 Invalid, 1674 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1669 Invalid, 4 Unknown, 0 Unchecked, 20.8s Time] [2021-11-25 19:50:25,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27817 states. [2021-11-25 19:50:26,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27817 to 27684. [2021-11-25 19:50:26,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27684 states, 15852 states have (on average 1.3183825384809489) internal successors, (20899), 17175 states have internal predecessors, (20899), 9696 states have call successors, (9696), 2138 states have call predecessors, (9696), 2107 states have return successors, (10439), 8959 states have call predecessors, (10439), 9694 states have call successors, (10439) [2021-11-25 19:50:26,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27684 states to 27684 states and 41034 transitions. [2021-11-25 19:50:26,969 INFO L78 Accepts]: Start accepts. Automaton has 27684 states and 41034 transitions. Word has length 78 [2021-11-25 19:50:26,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:50:26,970 INFO L470 AbstractCegarLoop]: Abstraction has 27684 states and 41034 transitions. [2021-11-25 19:50:26,970 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-25 19:50:26,970 INFO L276 IsEmpty]: Start isEmpty. Operand 27684 states and 41034 transitions. [2021-11-25 19:50:26,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-25 19:50:26,982 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:50:26,982 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:50:26,982 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-25 19:50:26,982 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__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 27 more)] === [2021-11-25 19:50:26,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:50:26,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1371329596, now seen corresponding path program 1 times [2021-11-25 19:50:26,983 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:50:26,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386867067] [2021-11-25 19:50:26,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:50:26,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:50:27,113 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:50:27,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1086015638] [2021-11-25 19:50:27,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:50:27,114 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:50:27,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:50:27,120 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:50:27,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 19:50:29,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:50:29,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 3572 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 19:50:29,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:50:29,395 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-25 19:50:29,395 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:50:29,396 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:50:29,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386867067] [2021-11-25 19:50:29,396 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:50:29,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1086015638] [2021-11-25 19:50:29,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1086015638] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:50:29,397 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:50:29,397 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:50:29,397 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246333185] [2021-11-25 19:50:29,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:50:29,398 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:50:29,398 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:50:29,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:50:29,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:50:29,399 INFO L87 Difference]: Start difference. First operand 27684 states and 41034 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2021-11-25 19:50:33,643 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:50:36,937 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:50:38,122 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:50:39,508 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:50:41,594 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:50:45,134 WARN L534 Checker$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 19:50:45,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:50:45,270 INFO L93 Difference]: Finished difference Result 55399 states and 83246 transitions. [2021-11-25 19:50:45,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:50:45,270 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 90 [2021-11-25 19:50:45,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:50:45,426 INFO L225 Difference]: With dead ends: 55399 [2021-11-25 19:50:45,426 INFO L226 Difference]: Without dead ends: 27736 [2021-11-25 19:50:45,598 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 88 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 19:50:45,599 INFO L933 BasicCegarLoop]: 4633 mSDtfsCounter, 8 mSDsluCounter, 5180 mSDsCounter, 0 mSdLazyCounter, 1112 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 9258 SdHoareTripleChecker+Invalid, 1117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1112 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.8s IncrementalHoareTripleChecker+Time [2021-11-25 19:50:45,599 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 9258 Invalid, 1117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1112 Invalid, 4 Unknown, 0 Unchecked, 14.8s Time] [2021-11-25 19:50:45,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27736 states. [2021-11-25 19:50:47,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27736 to 27736. [2021-11-25 19:50:47,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27736 states, 15888 states have (on average 1.3179128902316213) internal successors, (20939), 17215 states have internal predecessors, (20939), 9704 states have call successors, (9704), 2138 states have call predecessors, (9704), 2115 states have return successors, (10467), 8971 states have call predecessors, (10467), 9702 states have call successors, (10467) [2021-11-25 19:50:47,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27736 states to 27736 states and 41110 transitions. [2021-11-25 19:50:47,303 INFO L78 Accepts]: Start accepts. Automaton has 27736 states and 41110 transitions. Word has length 90 [2021-11-25 19:50:47,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:50:47,304 INFO L470 AbstractCegarLoop]: Abstraction has 27736 states and 41110 transitions. [2021-11-25 19:50:47,304 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2021-11-25 19:50:47,305 INFO L276 IsEmpty]: Start isEmpty. Operand 27736 states and 41110 transitions. [2021-11-25 19:50:47,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-25 19:50:47,309 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:50:47,310 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:50:47,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 19:50:47,524 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:50:47,527 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__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 27 more)] === [2021-11-25 19:50:47,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:50:47,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1938940625, now seen corresponding path program 1 times [2021-11-25 19:50:47,528 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:50:47,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196814314] [2021-11-25 19:50:47,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:50:47,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:50:47,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:50:47,887 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-25 19:50:47,887 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:50:47,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196814314] [2021-11-25 19:50:47,888 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196814314] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:50:47,888 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:50:47,888 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 19:50:47,888 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146359864] [2021-11-25 19:50:47,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:50:47,889 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 19:50:47,889 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:50:47,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 19:50:47,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:50:47,890 INFO L87 Difference]: Start difference. First operand 27736 states and 41110 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-25 19:50:51,614 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:50:56,361 WARN L534 Checker$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 19:50:58,807 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:51:01,129 WARN L534 Checker$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 19:51:03,237 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:51:05,443 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:51:07,462 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:51:11,186 WARN L534 Checker$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 19:51:12,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:51:12,011 INFO L93 Difference]: Finished difference Result 46639 states and 69881 transitions. [2021-11-25 19:51:12,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-25 19:51:12,012 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 89 [2021-11-25 19:51:12,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:51:12,262 INFO L225 Difference]: With dead ends: 46639 [2021-11-25 19:51:12,262 INFO L226 Difference]: Without dead ends: 46637 [2021-11-25 19:51:12,289 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-25 19:51:12,290 INFO L933 BasicCegarLoop]: 5936 mSDtfsCounter, 5134 mSDsluCounter, 17970 mSDsCounter, 0 mSdLazyCounter, 2260 mSolverCounterSat, 3 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5138 SdHoareTripleChecker+Valid, 22230 SdHoareTripleChecker+Invalid, 2270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2260 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.8s IncrementalHoareTripleChecker+Time [2021-11-25 19:51:12,292 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5138 Valid, 22230 Invalid, 2270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 2260 Invalid, 7 Unknown, 0 Unchecked, 22.8s Time] [2021-11-25 19:51:12,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46637 states. [2021-11-25 19:51:14,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46637 to 46116. [2021-11-25 19:51:14,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46116 states, 26467 states have (on average 1.3199833755242378) internal successors, (34936), 28684 states have internal predecessors, (34936), 16164 states have call successors, (16164), 3506 states have call predecessors, (16164), 3456 states have return successors, (18139), 14914 states have call predecessors, (18139), 16162 states have call successors, (18139) [2021-11-25 19:51:14,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46116 states to 46116 states and 69239 transitions. [2021-11-25 19:51:14,918 INFO L78 Accepts]: Start accepts. Automaton has 46116 states and 69239 transitions. Word has length 89 [2021-11-25 19:51:14,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:51:14,919 INFO L470 AbstractCegarLoop]: Abstraction has 46116 states and 69239 transitions. [2021-11-25 19:51:14,919 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-25 19:51:14,919 INFO L276 IsEmpty]: Start isEmpty. Operand 46116 states and 69239 transitions. [2021-11-25 19:51:14,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-25 19:51:14,921 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:51:14,921 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:51:14,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-25 19:51:14,921 INFO L402 AbstractCegarLoop]: === Iteration 11 === 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 27 more)] === [2021-11-25 19:51:14,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:51:14,922 INFO L85 PathProgramCache]: Analyzing trace with hash -2001866478, now seen corresponding path program 1 times [2021-11-25 19:51:14,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:51:14,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088760413] [2021-11-25 19:51:14,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:51:14,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:51:15,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:51:15,235 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-25 19:51:15,235 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:51:15,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088760413] [2021-11-25 19:51:15,236 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088760413] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:51:15,236 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:51:15,236 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:51:15,236 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868551159] [2021-11-25 19:51:15,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:51:15,237 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:51:15,237 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:51:15,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:51:15,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:51:15,238 INFO L87 Difference]: Start difference. First operand 46116 states and 69239 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-25 19:51:18,060 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:51:20,090 WARN L534 Checker$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 19:51:24,186 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:51:25,610 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:51:28,685 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:51:34,388 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:51:36,780 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:51:36,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:51:36,832 INFO L93 Difference]: Finished difference Result 46515 states and 69752 transitions. [2021-11-25 19:51:36,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 19:51:36,833 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 83 [2021-11-25 19:51:36,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:51:37,035 INFO L225 Difference]: With dead ends: 46515 [2021-11-25 19:51:37,035 INFO L226 Difference]: Without dead ends: 46513 [2021-11-25 19:51:37,063 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 19:51:37,063 INFO L933 BasicCegarLoop]: 5893 mSDtfsCounter, 5147 mSDsluCounter, 11593 mSDsCounter, 0 mSdLazyCounter, 1670 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5151 SdHoareTripleChecker+Valid, 16378 SdHoareTripleChecker+Invalid, 1674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1670 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.2s IncrementalHoareTripleChecker+Time [2021-11-25 19:51:37,064 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5151 Valid, 16378 Invalid, 1674 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1670 Invalid, 3 Unknown, 0 Unchecked, 20.2s Time] [2021-11-25 19:51:37,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46513 states. [2021-11-25 19:51:39,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46513 to 46136. [2021-11-25 19:51:39,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46136 states, 26478 states have (on average 1.3199637434851574) internal successors, (34950), 28695 states have internal predecessors, (34950), 16170 states have call successors, (16170), 3509 states have call predecessors, (16170), 3459 states have return successors, (18145), 14920 states have call predecessors, (18145), 16168 states have call successors, (18145) [2021-11-25 19:51:39,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46136 states to 46136 states and 69265 transitions. [2021-11-25 19:51:39,891 INFO L78 Accepts]: Start accepts. Automaton has 46136 states and 69265 transitions. Word has length 83 [2021-11-25 19:51:39,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:51:39,892 INFO L470 AbstractCegarLoop]: Abstraction has 46136 states and 69265 transitions. [2021-11-25 19:51:39,892 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-25 19:51:39,892 INFO L276 IsEmpty]: Start isEmpty. Operand 46136 states and 69265 transitions. [2021-11-25 19:51:39,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-25 19:51:39,895 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:51:39,895 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:51:39,895 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-25 19:51:39,896 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-25 19:51:39,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:51:39,896 INFO L85 PathProgramCache]: Analyzing trace with hash 351909077, now seen corresponding path program 1 times [2021-11-25 19:51:39,896 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:51:39,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358513062] [2021-11-25 19:51:39,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:51:39,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:51:40,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:51:40,481 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-25 19:51:40,481 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:51:40,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358513062] [2021-11-25 19:51:40,482 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358513062] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:51:40,482 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:51:40,482 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:51:40,482 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757429854] [2021-11-25 19:51:40,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:51:40,483 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:51:40,483 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:51:40,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:51:40,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:51:40,484 INFO L87 Difference]: Start difference. First operand 46136 states and 69265 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-25 19:51:43,443 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 19:51:44,542 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:51:48,299 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:51:51,497 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:51:53,736 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:51:56,122 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:51:59,699 WARN L534 Checker$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 19:52:02,462 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 19:52:02,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:52:02,527 INFO L93 Difference]: Finished difference Result 46513 states and 69750 transitions. [2021-11-25 19:52:02,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 19:52:02,527 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 85 [2021-11-25 19:52:02,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:52:02,704 INFO L225 Difference]: With dead ends: 46513 [2021-11-25 19:52:02,704 INFO L226 Difference]: Without dead ends: 46511 [2021-11-25 19:52:02,721 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 19:52:02,722 INFO L933 BasicCegarLoop]: 5893 mSDtfsCounter, 5135 mSDsluCounter, 11597 mSDsCounter, 0 mSdLazyCounter, 1669 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5139 SdHoareTripleChecker+Valid, 16382 SdHoareTripleChecker+Invalid, 1674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1669 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.5s IncrementalHoareTripleChecker+Time [2021-11-25 19:52:02,722 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5139 Valid, 16382 Invalid, 1674 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1669 Invalid, 4 Unknown, 0 Unchecked, 20.5s Time] [2021-11-25 19:52:02,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46511 states. [2021-11-25 19:52:04,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46511 to 46136. [2021-11-25 19:52:04,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46136 states, 26478 states have (on average 1.3199259762821964) internal successors, (34949), 28695 states have internal predecessors, (34949), 16170 states have call successors, (16170), 3509 states have call predecessors, (16170), 3459 states have return successors, (18145), 14920 states have call predecessors, (18145), 16168 states have call successors, (18145) [2021-11-25 19:52:05,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46136 states to 46136 states and 69264 transitions. [2021-11-25 19:52:05,222 INFO L78 Accepts]: Start accepts. Automaton has 46136 states and 69264 transitions. Word has length 85 [2021-11-25 19:52:05,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:52:05,223 INFO L470 AbstractCegarLoop]: Abstraction has 46136 states and 69264 transitions. [2021-11-25 19:52:05,223 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-25 19:52:05,224 INFO L276 IsEmpty]: Start isEmpty. Operand 46136 states and 69264 transitions. [2021-11-25 19:52:05,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-25 19:52:05,227 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:52:05,228 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:52:05,228 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-25 19:52:05,228 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_net_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-25 19:52:05,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:52:05,229 INFO L85 PathProgramCache]: Analyzing trace with hash 2013191772, now seen corresponding path program 1 times [2021-11-25 19:52:05,229 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:52:05,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227400379] [2021-11-25 19:52:05,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:52:05,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:52:05,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:52:05,882 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2021-11-25 19:52:05,882 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:52:05,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227400379] [2021-11-25 19:52:05,882 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227400379] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:52:05,883 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:52:05,883 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:52:05,883 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097324844] [2021-11-25 19:52:05,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:52:05,884 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:52:05,884 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:52:05,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:52:05,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:52:05,885 INFO L87 Difference]: Start difference. First operand 46136 states and 69264 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-25 19:52:08,796 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:52:11,809 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:52:13,992 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:52:15,189 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:52:17,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:52:17,201 INFO L93 Difference]: Finished difference Result 93167 states and 139760 transitions. [2021-11-25 19:52:17,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:52:17,202 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 102 [2021-11-25 19:52:17,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:52:17,402 INFO L225 Difference]: With dead ends: 93167 [2021-11-25 19:52:17,403 INFO L226 Difference]: Without dead ends: 47052 [2021-11-25 19:52:17,552 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:52:17,553 INFO L933 BasicCegarLoop]: 4764 mSDtfsCounter, 5161 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 611 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5163 SdHoareTripleChecker+Valid, 5280 SdHoareTripleChecker+Invalid, 613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 611 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:52:17,553 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5163 Valid, 5280 Invalid, 613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 611 Invalid, 1 Unknown, 0 Unchecked, 9.0s Time] [2021-11-25 19:52:17,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47052 states. [2021-11-25 19:52:20,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47052 to 46792. [2021-11-25 19:52:20,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46792 states, 26804 states have (on average 1.3182360841665424) internal successors, (35334), 29075 states have internal predecessors, (35334), 16400 states have call successors, (16400), 3608 states have call predecessors, (16400), 3560 states have return successors, (18391), 15119 states have call predecessors, (18391), 16398 states have call successors, (18391) [2021-11-25 19:52:20,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46792 states to 46792 states and 70125 transitions. [2021-11-25 19:52:20,366 INFO L78 Accepts]: Start accepts. Automaton has 46792 states and 70125 transitions. Word has length 102 [2021-11-25 19:52:20,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:52:20,367 INFO L470 AbstractCegarLoop]: Abstraction has 46792 states and 70125 transitions. [2021-11-25 19:52:20,367 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-25 19:52:20,367 INFO L276 IsEmpty]: Start isEmpty. Operand 46792 states and 70125 transitions. [2021-11-25 19:52:20,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-25 19:52:20,371 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:52:20,371 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:52:20,372 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-25 19:52:20,372 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__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 27 more)] === [2021-11-25 19:52:20,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:52:20,373 INFO L85 PathProgramCache]: Analyzing trace with hash -1097965251, now seen corresponding path program 1 times [2021-11-25 19:52:20,373 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:52:20,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749276687] [2021-11-25 19:52:20,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:52:20,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:52:20,503 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:52:20,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [796323069] [2021-11-25 19:52:20,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:52:20,503 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:52:20,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:52:20,509 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:52:20,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 19:52:22,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:52:22,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 3565 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 19:52:22,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:52:22,669 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-25 19:52:22,670 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:52:22,670 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:52:22,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749276687] [2021-11-25 19:52:22,670 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:52:22,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [796323069] [2021-11-25 19:52:22,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [796323069] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:52:22,671 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:52:22,671 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:52:22,671 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478010655] [2021-11-25 19:52:22,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:52:22,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:52:22,672 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:52:22,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:52:22,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:52:22,673 INFO L87 Difference]: Start difference. First operand 46792 states and 70125 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2021-11-25 19:52:26,887 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 19:52:31,046 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:52:34,496 WARN L534 Checker$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 19:52:38,244 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:52:38,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:52:38,567 INFO L93 Difference]: Finished difference Result 93696 states and 140534 transitions. [2021-11-25 19:52:38,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:52:38,568 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 94 [2021-11-25 19:52:38,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:52:38,762 INFO L225 Difference]: With dead ends: 93696 [2021-11-25 19:52:38,762 INFO L226 Difference]: Without dead ends: 46925 [2021-11-25 19:52:39,050 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 92 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 19:52:39,050 INFO L933 BasicCegarLoop]: 4625 mSDtfsCounter, 18 mSDsluCounter, 5171 mSDsCounter, 0 mSdLazyCounter, 1111 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 9242 SdHoareTripleChecker+Invalid, 1116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1111 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2021-11-25 19:52:39,051 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 9242 Invalid, 1116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1111 Invalid, 4 Unknown, 0 Unchecked, 13.8s Time] [2021-11-25 19:52:39,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46925 states. [2021-11-25 19:52:41,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46925 to 46925. [2021-11-25 19:52:41,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46925 states, 26909 states have (on average 1.3185551302538183) internal successors, (35481), 29173 states have internal predecessors, (35481), 16421 states have call successors, (16421), 3608 states have call predecessors, (16421), 3567 states have return successors, (18426), 15147 states have call predecessors, (18426), 16419 states have call successors, (18426) [2021-11-25 19:52:41,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46925 states to 46925 states and 70328 transitions. [2021-11-25 19:52:41,705 INFO L78 Accepts]: Start accepts. Automaton has 46925 states and 70328 transitions. Word has length 94 [2021-11-25 19:52:41,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:52:41,705 INFO L470 AbstractCegarLoop]: Abstraction has 46925 states and 70328 transitions. [2021-11-25 19:52:41,706 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2021-11-25 19:52:41,706 INFO L276 IsEmpty]: Start isEmpty. Operand 46925 states and 70328 transitions. [2021-11-25 19:52:41,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-25 19:52:41,711 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:52:41,711 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 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 19:52:41,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-25 19:52:41,936 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-11-25 19:52:41,936 INFO L402 AbstractCegarLoop]: === Iteration 15 === 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 27 more)] === [2021-11-25 19:52:41,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:52:41,937 INFO L85 PathProgramCache]: Analyzing trace with hash -67608840, now seen corresponding path program 1 times [2021-11-25 19:52:41,937 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:52:41,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587933830] [2021-11-25 19:52:41,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:52:41,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:52:42,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:52:42,206 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-25 19:52:42,206 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:52:42,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587933830] [2021-11-25 19:52:42,207 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587933830] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:52:42,207 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:52:42,207 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:52:42,207 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928640673] [2021-11-25 19:52:42,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:52:42,208 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:52:42,208 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:52:42,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:52:42,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:52:42,209 INFO L87 Difference]: Start difference. First operand 46925 states and 70328 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-25 19:52:46,025 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 19:52:50,173 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:52:51,679 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:52:53,692 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:52:55,840 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:52:58,084 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:52:59,452 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:53:03,877 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:53:04,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:53:04,833 INFO L93 Difference]: Finished difference Result 47752 states and 71398 transitions. [2021-11-25 19:53:04,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 19:53:04,834 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 90 [2021-11-25 19:53:04,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:53:05,024 INFO L225 Difference]: With dead ends: 47752 [2021-11-25 19:53:05,025 INFO L226 Difference]: Without dead ends: 47750 [2021-11-25 19:53:05,044 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 19:53:05,045 INFO L933 BasicCegarLoop]: 5874 mSDtfsCounter, 5080 mSDsluCounter, 11571 mSDsCounter, 0 mSdLazyCounter, 1666 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5086 SdHoareTripleChecker+Valid, 16339 SdHoareTripleChecker+Invalid, 1673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1666 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:53:05,045 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5086 Valid, 16339 Invalid, 1673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1666 Invalid, 6 Unknown, 0 Unchecked, 21.0s Time] [2021-11-25 19:53:05,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47750 states. [2021-11-25 19:53:07,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47750 to 47635. [2021-11-25 19:53:07,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47635 states, 27277 states have (on average 1.317556916083147) internal successors, (35939), 29596 states have internal predecessors, (35939), 16656 states have call successors, (16656), 3713 states have call predecessors, (16656), 3674 states have return successors, (18669), 15351 states have call predecessors, (18669), 16654 states have call successors, (18669) [2021-11-25 19:53:07,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47635 states to 47635 states and 71264 transitions. [2021-11-25 19:53:07,849 INFO L78 Accepts]: Start accepts. Automaton has 47635 states and 71264 transitions. Word has length 90 [2021-11-25 19:53:07,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:53:07,850 INFO L470 AbstractCegarLoop]: Abstraction has 47635 states and 71264 transitions. [2021-11-25 19:53:07,850 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-25 19:53:07,850 INFO L276 IsEmpty]: Start isEmpty. Operand 47635 states and 71264 transitions. [2021-11-25 19:53:07,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-25 19:53:07,856 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:53:07,856 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:53:07,856 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-25 19:53:07,857 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-25 19:53:07,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:53:07,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1784258015, now seen corresponding path program 1 times [2021-11-25 19:53:07,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:53:07,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369796790] [2021-11-25 19:53:07,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:53:07,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:53:07,985 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:53:07,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1441315167] [2021-11-25 19:53:07,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:53:07,986 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:53:07,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:53:07,992 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:53:08,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 19:53:10,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:53:10,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 3616 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-25 19:53:10,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:53:10,309 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 19:53:10,310 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:53:10,310 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:53:10,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369796790] [2021-11-25 19:53:10,310 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:53:10,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1441315167] [2021-11-25 19:53:10,311 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1441315167] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:53:10,311 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:53:10,311 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 19:53:10,311 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42858923] [2021-11-25 19:53:10,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:53:10,312 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 19:53:10,312 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:53:10,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 19:53:10,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:53:10,313 INFO L87 Difference]: Start difference. First operand 47635 states and 71264 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-25 19:53:13,913 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:53:15,620 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:53:22,615 WARN L534 Checker$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 19:53:24,946 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:53:28,203 WARN L534 Checker$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 19:53:30,685 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:53:32,327 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:53:38,049 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:53:38,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:53:38,345 INFO L93 Difference]: Finished difference Result 60149 states and 90312 transitions. [2021-11-25 19:53:38,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 19:53:38,345 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 106 [2021-11-25 19:53:38,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:53:38,601 INFO L225 Difference]: With dead ends: 60149 [2021-11-25 19:53:38,601 INFO L226 Difference]: Without dead ends: 60147 [2021-11-25 19:53:38,628 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 102 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 19:53:38,629 INFO L933 BasicCegarLoop]: 8592 mSDtfsCounter, 5112 mSDsluCounter, 24173 mSDsCounter, 0 mSdLazyCounter, 3594 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5115 SdHoareTripleChecker+Valid, 30205 SdHoareTripleChecker+Invalid, 3598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3594 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.1s IncrementalHoareTripleChecker+Time [2021-11-25 19:53:38,629 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5115 Valid, 30205 Invalid, 3598 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 3594 Invalid, 4 Unknown, 0 Unchecked, 26.1s Time] [2021-11-25 19:53:38,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60147 states. [2021-11-25 19:53:41,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60147 to 59830. [2021-11-25 19:53:41,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59830 states, 34296 states have (on average 1.3190167949615115) internal successors, (45237), 37233 states have internal predecessors, (45237), 20941 states have call successors, (20941), 4630 states have call predecessors, (20941), 4565 states have return successors, (23768), 19260 states have call predecessors, (23768), 20939 states have call successors, (23768) [2021-11-25 19:53:42,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59830 states to 59830 states and 89946 transitions. [2021-11-25 19:53:42,274 INFO L78 Accepts]: Start accepts. Automaton has 59830 states and 89946 transitions. Word has length 106 [2021-11-25 19:53:42,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:53:42,275 INFO L470 AbstractCegarLoop]: Abstraction has 59830 states and 89946 transitions. [2021-11-25 19:53:42,275 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-25 19:53:42,275 INFO L276 IsEmpty]: Start isEmpty. Operand 59830 states and 89946 transitions. [2021-11-25 19:53:42,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-25 19:53:42,282 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:53:42,282 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 3, 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, 1, 1] [2021-11-25 19:53:42,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-25 19:53:42,500 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-11-25 19:53:42,500 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_usb_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2021-11-25 19:53:42,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:53:42,501 INFO L85 PathProgramCache]: Analyzing trace with hash 800641517, now seen corresponding path program 1 times [2021-11-25 19:53:42,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:53:42,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763993718] [2021-11-25 19:53:42,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:53:42,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:53:42,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:53:42,800 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2021-11-25 19:53:42,801 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:53:42,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763993718] [2021-11-25 19:53:42,801 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763993718] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 19:53:42,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1334131757] [2021-11-25 19:53:42,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:53:42,802 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:53:42,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:53:42,803 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:53:42,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-25 19:53:44,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:53:44,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 3725 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-25 19:53:44,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:53:44,966 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2021-11-25 19:53:44,966 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:53:44,966 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1334131757] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:53:44,966 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-25 19:53:44,967 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2021-11-25 19:53:44,967 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258527631] [2021-11-25 19:53:44,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:53:44,967 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:53:44,968 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:53:44,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:53:44,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-11-25 19:53:44,968 INFO L87 Difference]: Start difference. First operand 59830 states and 89946 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-25 19:53:47,707 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 19:53:50,688 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:53:53,730 WARN L534 Checker$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 19:53:56,086 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:53:59,762 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:54:02,725 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:54:05,230 WARN L534 Checker$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 19:54:05,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:54:05,351 INFO L93 Difference]: Finished difference Result 133212 states and 199912 transitions. [2021-11-25 19:54:05,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:54:05,351 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 110 [2021-11-25 19:54:05,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:54:05,858 INFO L225 Difference]: With dead ends: 133212 [2021-11-25 19:54:05,858 INFO L226 Difference]: Without dead ends: 73403 [2021-11-25 19:54:06,060 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-11-25 19:54:06,060 INFO L933 BasicCegarLoop]: 5570 mSDtfsCounter, 5146 mSDsluCounter, 3732 mSDsCounter, 0 mSdLazyCounter, 863 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5148 SdHoareTripleChecker+Valid, 8999 SdHoareTripleChecker+Invalid, 867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 863 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:54:06,061 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5148 Valid, 8999 Invalid, 867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 863 Invalid, 3 Unknown, 0 Unchecked, 17.0s Time] [2021-11-25 19:54:06,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73403 states. [2021-11-25 19:54:09,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73403 to 73368. [2021-11-25 19:54:09,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73368 states, 41897 states have (on average 1.313960426760866) internal successors, (55051), 45533 states have internal predecessors, (55051), 25697 states have call successors, (25697), 5831 states have call predecessors, (25697), 5746 states have return successors, (29142), 23592 states have call predecessors, (29142), 25695 states have call successors, (29142) [2021-11-25 19:54:10,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73368 states to 73368 states and 109890 transitions. [2021-11-25 19:54:10,562 INFO L78 Accepts]: Start accepts. Automaton has 73368 states and 109890 transitions. Word has length 110 [2021-11-25 19:54:10,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:54:10,563 INFO L470 AbstractCegarLoop]: Abstraction has 73368 states and 109890 transitions. [2021-11-25 19:54:10,563 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-25 19:54:10,563 INFO L276 IsEmpty]: Start isEmpty. Operand 73368 states and 109890 transitions. [2021-11-25 19:54:10,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-25 19:54:10,570 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:54:10,570 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 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 19:54:10,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-25 19:54:10,784 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac0a5ca-bb99-4bbf-b1b3-b95eca77e90e/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-11-25 19:54:10,784 INFO L402 AbstractCegarLoop]: === Iteration 18 === 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 27 more)] === [2021-11-25 19:54:10,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:54:10,784 INFO L85 PathProgramCache]: Analyzing trace with hash -703816378, now seen corresponding path program 1 times [2021-11-25 19:54:10,785 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:54:10,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294579467] [2021-11-25 19:54:10,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:54:10,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:54:10,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:54:11,044 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-25 19:54:11,044 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:54:11,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294579467] [2021-11-25 19:54:11,045 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294579467] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:54:11,045 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:54:11,045 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:54:11,045 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035533435] [2021-11-25 19:54:11,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:54:11,046 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:54:11,046 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:54:11,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:54:11,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:54:11,047 INFO L87 Difference]: Start difference. First operand 73368 states and 109890 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-25 19:54:13,745 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:54:19,215 WARN L534 Checker$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 19:54:22,510 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 []