./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--be2iscsi--be2iscsi.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/bin/utaipan-EQgc7hIp5V --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 e65ce0ca1630c9676f80f28ff5aee772276e1a4ab72beeeb2195c791073f2dc7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:50:42,373 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:50:42,377 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:50:42,434 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:50:42,435 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:50:42,439 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:50:42,441 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:50:42,445 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:50:42,448 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:50:42,454 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:50:42,455 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:50:42,457 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:50:42,457 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:50:42,460 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:50:42,462 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:50:42,470 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:50:42,472 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:50:42,473 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:50:42,475 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:50:42,483 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:50:42,485 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:50:42,487 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:50:42,490 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:50:42,491 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:50:42,500 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:50:42,501 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:50:42,501 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:50:42,503 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:50:42,504 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:50:42,505 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:50:42,506 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:50:42,507 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:50:42,509 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:50:42,510 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:50:42,512 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:50:42,512 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:50:42,513 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:50:42,513 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:50:42,514 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:50:42,515 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:50:42,515 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:50:42,516 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 02:50:42,563 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:50:42,563 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:50:42,564 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:50:42,564 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:50:42,565 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:50:42,565 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:50:42,565 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:50:42,566 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:50:42,566 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:50:42,566 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:50:42,567 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:50:42,568 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:50:42,568 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:50:42,568 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:50:42,568 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:50:42,569 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:50:42,569 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:50:42,569 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:50:42,571 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:50:42,571 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:50:42,571 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:50:42,571 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:50:42,572 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:50:42,572 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:50:42,572 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:50:42,572 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:50:42,574 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:50:42,574 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:50:42,575 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:50:42,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:50:42,575 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:50:42,576 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:50:42,576 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:50:42,576 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:50:42,576 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:50:42,577 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:50:42,577 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:50:42,577 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:50:42,577 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_f31f2f15-9745-4232-a5a9-ee06ab602108/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e65ce0ca1630c9676f80f28ff5aee772276e1a4ab72beeeb2195c791073f2dc7 [2021-11-23 02:50:42,849 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:50:42,877 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:50:42,881 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:50:42,882 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:50:42,883 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:50:42,884 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i [2021-11-23 02:50:42,962 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/bin/utaipan-EQgc7hIp5V/data/be8effacd/210bcb0687c94056b52391cc0ba4e92f/FLAG17d1fc96e [2021-11-23 02:50:44,290 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:50:44,291 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i [2021-11-23 02:50:44,398 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/bin/utaipan-EQgc7hIp5V/data/be8effacd/210bcb0687c94056b52391cc0ba4e92f/FLAG17d1fc96e [2021-11-23 02:50:44,872 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/bin/utaipan-EQgc7hIp5V/data/be8effacd/210bcb0687c94056b52391cc0ba4e92f [2021-11-23 02:50:44,875 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:50:44,876 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:50:44,878 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:50:44,878 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:50:44,895 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:50:44,896 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:50:44" (1/1) ... [2021-11-23 02:50:44,897 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47d8b162 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:50:44, skipping insertion in model container [2021-11-23 02:50:44,897 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:50:44" (1/1) ... [2021-11-23 02:50:44,905 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:50:45,228 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:50:58,596 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_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[969751,969764] [2021-11-23 02:50:58,598 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_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[969896,969909] [2021-11-23 02:50:58,599 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_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[970042,970055] [2021-11-23 02:50:58,599 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_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[970207,970220] [2021-11-23 02:50:58,600 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_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[970365,970378] [2021-11-23 02:50:58,601 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[970523,970536] [2021-11-23 02:50:58,601 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[970681,970694] [2021-11-23 02:50:58,602 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[970841,970854] [2021-11-23 02:50:58,602 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971000,971013] [2021-11-23 02:50:58,603 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971139,971152] [2021-11-23 02:50:58,603 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971281,971294] [2021-11-23 02:50:58,604 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971430,971443] [2021-11-23 02:50:58,604 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971569,971582] [2021-11-23 02:50:58,605 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_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971724,971737] [2021-11-23 02:50:58,606 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_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971884,971897] [2021-11-23 02:50:58,606 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_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972035,972048] [2021-11-23 02:50:58,607 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_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972186,972199] [2021-11-23 02:50:58,607 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_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972338,972351] [2021-11-23 02:50:58,608 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_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972487,972500] [2021-11-23 02:50:58,609 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_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972635,972648] [2021-11-23 02:50:58,609 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_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972792,972805] [2021-11-23 02:50:58,610 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_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972941,972954] [2021-11-23 02:50:58,610 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_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973097,973110] [2021-11-23 02:50:58,611 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_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973250,973263] [2021-11-23 02:50:58,612 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_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973396,973409] [2021-11-23 02:50:58,612 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_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973539,973552] [2021-11-23 02:50:58,613 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973691,973704] [2021-11-23 02:50:58,613 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973837,973850] [2021-11-23 02:50:58,614 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973982,973995] [2021-11-23 02:50:58,614 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[974136,974149] [2021-11-23 02:50:58,615 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[974287,974300] [2021-11-23 02:50:58,615 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[974442,974455] [2021-11-23 02:50:58,616 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_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[974594,974607] [2021-11-23 02:50:58,616 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_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[974749,974762] [2021-11-23 02:50:58,617 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_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[974913,974926] [2021-11-23 02:50:58,617 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_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[975069,975082] [2021-11-23 02:50:58,618 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_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[975233,975246] [2021-11-23 02:50:58,618 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_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[975375,975388] [2021-11-23 02:50:58,619 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_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[975533,975546] [2021-11-23 02:50:58,619 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_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[975700,975713] [2021-11-23 02:50:58,620 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_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[975859,975872] [2021-11-23 02:50:58,621 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976018,976031] [2021-11-23 02:50:58,621 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976167,976180] [2021-11-23 02:50:58,622 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976314,976327] [2021-11-23 02:50:58,622 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976453,976466] [2021-11-23 02:50:58,623 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976616,976629] [2021-11-23 02:50:58,623 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976782,976795] [2021-11-23 02:50:58,624 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976946,976959] [2021-11-23 02:50:58,624 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[977111,977124] [2021-11-23 02:50:58,625 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[977276,977289] [2021-11-23 02:50:58,626 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[977442,977455] [2021-11-23 02:50:58,626 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[977607,977620] [2021-11-23 02:50:58,627 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[977774,977787] [2021-11-23 02:50:58,627 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[977934,977947] [2021-11-23 02:50:58,628 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_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978096,978109] [2021-11-23 02:50:58,628 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_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978255,978268] [2021-11-23 02:50:58,629 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978401,978414] [2021-11-23 02:50:58,629 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978544,978557] [2021-11-23 02:50:58,630 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978688,978701] [2021-11-23 02:50:58,631 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_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978831,978844] [2021-11-23 02:50:58,631 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_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978975,978988] [2021-11-23 02:50:58,631 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_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[979116,979129] [2021-11-23 02:50:58,632 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_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[979254,979267] [2021-11-23 02:50:58,632 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_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[979412,979425] [2021-11-23 02:50:58,633 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_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[979571,979584] [2021-11-23 02:50:58,633 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_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[979727,979740] [2021-11-23 02:50:58,634 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_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[979876,979889] [2021-11-23 02:50:58,634 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_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980028,980041] [2021-11-23 02:50:58,635 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_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980179,980192] [2021-11-23 02:50:58,635 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_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980328,980341] [2021-11-23 02:50:58,636 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_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980480,980493] [2021-11-23 02:50:58,636 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_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980628,980641] [2021-11-23 02:50:58,637 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_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980781,980794] [2021-11-23 02:50:58,637 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_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980932,980945] [2021-11-23 02:50:58,638 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_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[981082,981095] [2021-11-23 02:50:58,638 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_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[981229,981242] [2021-11-23 02:50:58,639 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_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[981380,981393] [2021-11-23 02:50:58,639 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_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[981531,981544] [2021-11-23 02:50:58,640 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_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[981679,981692] [2021-11-23 02:50:58,640 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_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[981845,981858] [2021-11-23 02:50:58,641 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_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982014,982027] [2021-11-23 02:50:58,641 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_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982181,982194] [2021-11-23 02:50:58,642 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_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982349,982362] [2021-11-23 02:50:58,642 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_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982499,982512] [2021-11-23 02:50:58,643 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982646,982659] [2021-11-23 02:50:58,643 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982807,982820] [2021-11-23 02:50:58,643 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982977,982990] [2021-11-23 02:50:58,644 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[983139,983152] [2021-11-23 02:50:58,696 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:50:58,738 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:50:59,777 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[969751,969764] [2021-11-23 02:50:59,778 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[969896,969909] [2021-11-23 02:50:59,779 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[970042,970055] [2021-11-23 02:50:59,779 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[970207,970220] [2021-11-23 02:50:59,780 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[970365,970378] [2021-11-23 02:50:59,780 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[970523,970536] [2021-11-23 02:50:59,780 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[970681,970694] [2021-11-23 02:50:59,781 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[970841,970854] [2021-11-23 02:50:59,781 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971000,971013] [2021-11-23 02:50:59,782 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971139,971152] [2021-11-23 02:50:59,783 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971281,971294] [2021-11-23 02:50:59,783 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971430,971443] [2021-11-23 02:50:59,784 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971569,971582] [2021-11-23 02:50:59,784 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971724,971737] [2021-11-23 02:50:59,784 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971884,971897] [2021-11-23 02:50:59,785 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972035,972048] [2021-11-23 02:50:59,785 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972186,972199] [2021-11-23 02:50:59,785 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972338,972351] [2021-11-23 02:50:59,786 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972487,972500] [2021-11-23 02:50:59,786 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972635,972648] [2021-11-23 02:50:59,787 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972792,972805] [2021-11-23 02:50:59,787 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972941,972954] [2021-11-23 02:50:59,788 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973097,973110] [2021-11-23 02:50:59,789 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973250,973263] [2021-11-23 02:50:59,789 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973396,973409] [2021-11-23 02:50:59,790 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973539,973552] [2021-11-23 02:50:59,790 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973691,973704] [2021-11-23 02:50:59,791 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973837,973850] [2021-11-23 02:50:59,792 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973982,973995] [2021-11-23 02:50:59,792 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[974136,974149] [2021-11-23 02:50:59,792 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[974287,974300] [2021-11-23 02:50:59,793 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[974442,974455] [2021-11-23 02:50:59,793 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[974594,974607] [2021-11-23 02:50:59,795 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[974749,974762] [2021-11-23 02:50:59,795 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[974913,974926] [2021-11-23 02:50:59,795 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[975069,975082] [2021-11-23 02:50:59,796 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[975233,975246] [2021-11-23 02:50:59,797 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[975375,975388] [2021-11-23 02:50:59,797 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[975533,975546] [2021-11-23 02:50:59,798 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[975700,975713] [2021-11-23 02:50:59,799 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[975859,975872] [2021-11-23 02:50:59,800 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976018,976031] [2021-11-23 02:50:59,800 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976167,976180] [2021-11-23 02:50:59,801 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976314,976327] [2021-11-23 02:50:59,801 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976453,976466] [2021-11-23 02:50:59,801 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976616,976629] [2021-11-23 02:50:59,802 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976782,976795] [2021-11-23 02:50:59,802 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976946,976959] [2021-11-23 02:50:59,803 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[977111,977124] [2021-11-23 02:50:59,803 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[977276,977289] [2021-11-23 02:50:59,804 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[977442,977455] [2021-11-23 02:50:59,805 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[977607,977620] [2021-11-23 02:50:59,805 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[977774,977787] [2021-11-23 02:50:59,805 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[977934,977947] [2021-11-23 02:50:59,806 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978096,978109] [2021-11-23 02:50:59,807 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978255,978268] [2021-11-23 02:50:59,812 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978401,978414] [2021-11-23 02:50:59,813 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978544,978557] [2021-11-23 02:50:59,813 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978688,978701] [2021-11-23 02:50:59,814 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978831,978844] [2021-11-23 02:50:59,815 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978975,978988] [2021-11-23 02:50:59,816 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[979116,979129] [2021-11-23 02:50:59,817 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[979254,979267] [2021-11-23 02:50:59,822 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[979412,979425] [2021-11-23 02:50:59,823 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[979571,979584] [2021-11-23 02:50:59,827 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[979727,979740] [2021-11-23 02:50:59,828 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[979876,979889] [2021-11-23 02:50:59,828 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980028,980041] [2021-11-23 02:50:59,828 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980179,980192] [2021-11-23 02:50:59,829 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980328,980341] [2021-11-23 02:50:59,829 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980480,980493] [2021-11-23 02:50:59,830 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980628,980641] [2021-11-23 02:50:59,830 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980781,980794] [2021-11-23 02:50:59,830 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980932,980945] [2021-11-23 02:50:59,831 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[981082,981095] [2021-11-23 02:50:59,831 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[981229,981242] [2021-11-23 02:50:59,831 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[981380,981393] [2021-11-23 02:50:59,832 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[981531,981544] [2021-11-23 02:50:59,833 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[981679,981692] [2021-11-23 02:50:59,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[981845,981858] [2021-11-23 02:50:59,835 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982014,982027] [2021-11-23 02:50:59,836 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982181,982194] [2021-11-23 02:50:59,836 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982349,982362] [2021-11-23 02:50:59,836 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982499,982512] [2021-11-23 02:50:59,837 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982646,982659] [2021-11-23 02:50:59,837 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982807,982820] [2021-11-23 02:50:59,838 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982977,982990] [2021-11-23 02:50:59,838 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[983139,983152] [2021-11-23 02:50:59,853 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:51:00,570 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:51:00,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:51:00 WrapperNode [2021-11-23 02:51:00,571 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:51:00,572 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:51:00,572 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:51:00,572 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:51:00,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:51:00" (1/1) ... [2021-11-23 02:51:00,884 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:51:00" (1/1) ... [2021-11-23 02:51:01,528 INFO L137 Inliner]: procedures = 1073, calls = 9645, calls flagged for inlining = 511, calls inlined = 406, statements flattened = 20860 [2021-11-23 02:51:01,529 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:51:01,530 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:51:01,530 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:51:01,530 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:51:01,539 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:51:00" (1/1) ... [2021-11-23 02:51:01,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:51:00" (1/1) ... [2021-11-23 02:51:01,619 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:51:00" (1/1) ... [2021-11-23 02:51:01,620 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:51:00" (1/1) ... [2021-11-23 02:51:02,106 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:51:00" (1/1) ... [2021-11-23 02:51:02,168 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:51:00" (1/1) ... [2021-11-23 02:51:02,358 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:51:00" (1/1) ... [2021-11-23 02:51:02,445 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:51:02,446 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:51:02,447 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:51:02,447 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:51:02,448 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:51:00" (1/1) ... [2021-11-23 02:51:02,457 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:51:02,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:51:02,490 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:51:02,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:51:02,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_122 [2021-11-23 02:51:02,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_122 [2021-11-23 02:51:02,539 INFO L130 BoogieDeclarations]: Found specification of procedure free_io_sgl_handle [2021-11-23 02:51:02,540 INFO L138 BoogieDeclarations]: Found implementation of procedure free_io_sgl_handle [2021-11-23 02:51:02,540 INFO L130 BoogieDeclarations]: Found specification of procedure be_mbox_notify_wait [2021-11-23 02:51:02,540 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mbox_notify_wait [2021-11-23 02:51:02,540 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-11-23 02:51:02,540 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-11-23 02:51:02,540 INFO L130 BoogieDeclarations]: Found specification of procedure amap_get [2021-11-23 02:51:02,541 INFO L138 BoogieDeclarations]: Found implementation of procedure amap_get [2021-11-23 02:51:02,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-23 02:51:02,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-23 02:51:02,541 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-11-23 02:51:02,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-11-23 02:51:02,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-23 02:51:02,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-23 02:51:02,542 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_mcc_tag [2021-11-23 02:51:02,542 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_mcc_tag [2021-11-23 02:51:02,542 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-23 02:51:02,542 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-23 02:51:02,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_159 [2021-11-23 02:51:02,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_159 [2021-11-23 02:51:02,543 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-11-23 02:51:02,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-11-23 02:51:02,543 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2021-11-23 02:51:02,543 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2021-11-23 02:51:02,543 INFO L130 BoogieDeclarations]: Found specification of procedure swap_dws [2021-11-23 02:51:02,543 INFO L138 BoogieDeclarations]: Found implementation of procedure swap_dws [2021-11-23 02:51:02,543 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-23 02:51:02,544 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-23 02:51:02,544 INFO L130 BoogieDeclarations]: Found specification of procedure free_mcc_tag [2021-11-23 02:51:02,544 INFO L138 BoogieDeclarations]: Found implementation of procedure free_mcc_tag [2021-11-23 02:51:02,544 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_enable_intr [2021-11-23 02:51:02,544 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_enable_intr [2021-11-23 02:51:02,544 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_free_mem [2021-11-23 02:51:02,544 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_free_mem [2021-11-23 02:51:02,545 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_get_async_busy_list [2021-11-23 02:51:02,545 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_get_async_busy_list [2021-11-23 02:51:02,545 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-23 02:51:02,545 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-23 02:51:02,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-23 02:51:02,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-23 02:51:02,545 INFO L130 BoogieDeclarations]: Found specification of procedure __rounddown_pow_of_two [2021-11-23 02:51:02,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __rounddown_pow_of_two [2021-11-23 02:51:02,546 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-23 02:51:02,546 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-23 02:51:02,546 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-23 02:51:02,546 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-23 02:51:02,546 INFO L130 BoogieDeclarations]: Found specification of procedure be_queue_free [2021-11-23 02:51:02,546 INFO L138 BoogieDeclarations]: Found implementation of procedure be_queue_free [2021-11-23 02:51:02,547 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-11-23 02:51:02,547 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-11-23 02:51:02,547 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-23 02:51:02,547 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-23 02:51:02,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-23 02:51:02,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-23 02:51:02,547 INFO L130 BoogieDeclarations]: Found specification of procedure index_inc [2021-11-23 02:51:02,548 INFO L138 BoogieDeclarations]: Found implementation of procedure index_inc [2021-11-23 02:51:02,548 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_mgmt_sgl_handle [2021-11-23 02:51:02,548 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_mgmt_sgl_handle [2021-11-23 02:51:02,548 INFO L130 BoogieDeclarations]: Found specification of procedure be_wrb_hdr_prepare [2021-11-23 02:51:02,548 INFO L138 BoogieDeclarations]: Found implementation of procedure be_wrb_hdr_prepare [2021-11-23 02:51:02,548 INFO L130 BoogieDeclarations]: Found specification of procedure pci_zalloc_consistent [2021-11-23 02:51:02,548 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_zalloc_consistent [2021-11-23 02:51:02,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-23 02:51:02,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-23 02:51:02,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 02:51:02,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-23 02:51:02,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-23 02:51:02,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_mgmt_sgl_lock_of_beiscsi_hba [2021-11-23 02:51:02,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_mgmt_sgl_lock_of_beiscsi_hba [2021-11-23 02:51:02,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-23 02:51:02,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-23 02:51:02,550 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_set_static_ip [2021-11-23 02:51:02,550 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_set_static_ip [2021-11-23 02:51:02,550 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-23 02:51:02,550 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-23 02:51:02,550 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2021-11-23 02:51:02,551 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2021-11-23 02:51:02,551 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-23 02:51:02,551 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-23 02:51:02,551 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-23 02:51:02,551 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-23 02:51:02,551 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2021-11-23 02:51:02,551 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2021-11-23 02:51:02,552 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_target [2021-11-23 02:51:02,552 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_target [2021-11-23 02:51:02,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-23 02:51:02,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-23 02:51:02,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_check_return_value_probe [2021-11-23 02:51:02,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_check_return_value_probe [2021-11-23 02:51:02,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 02:51:02,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-11-23 02:51:02,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2021-11-23 02:51:02,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_check_return_value_probe [2021-11-23 02:51:02,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_check_return_value_probe [2021-11-23 02:51:02,553 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-23 02:51:02,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-23 02:51:02,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:51:02,554 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_task_xmit [2021-11-23 02:51:02,554 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_task_xmit [2021-11-23 02:51:02,554 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_conn_start [2021-11-23 02:51:02,554 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_conn_start [2021-11-23 02:51:02,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-23 02:51:02,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-23 02:51:02,554 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-23 02:51:02,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-23 02:51:02,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_166 [2021-11-23 02:51:02,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_166 [2021-11-23 02:51:02,555 INFO L130 BoogieDeclarations]: Found specification of procedure fls_long [2021-11-23 02:51:02,555 INFO L138 BoogieDeclarations]: Found implementation of procedure fls_long [2021-11-23 02:51:02,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 02:51:02,555 INFO L130 BoogieDeclarations]: Found specification of procedure nonembedded_sgl [2021-11-23 02:51:02,556 INFO L138 BoogieDeclarations]: Found implementation of procedure nonembedded_sgl [2021-11-23 02:51:02,556 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-11-23 02:51:02,556 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-11-23 02:51:02,556 INFO L130 BoogieDeclarations]: Found specification of procedure queue_tail_inc [2021-11-23 02:51:02,556 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_tail_inc [2021-11-23 02:51:02,556 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_modify_gateway [2021-11-23 02:51:02,556 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_modify_gateway [2021-11-23 02:51:02,557 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2021-11-23 02:51:02,557 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2021-11-23 02:51:02,557 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_get_all_if_id [2021-11-23 02:51:02,557 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_get_all_if_id [2021-11-23 02:51:02,557 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_clean_port [2021-11-23 02:51:02,557 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_clean_port [2021-11-23 02:51:02,557 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_cmd_cq_create [2021-11-23 02:51:02,557 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_cmd_cq_create [2021-11-23 02:51:02,558 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-23 02:51:02,558 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-23 02:51:02,558 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_host_remove [2021-11-23 02:51:02,558 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_host_remove [2021-11-23 02:51:02,558 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_log_enable_store [2021-11-23 02:51:02,558 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_log_enable_store [2021-11-23 02:51:02,558 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-11-23 02:51:02,559 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-11-23 02:51:02,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:51:02,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:51:02,559 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-23 02:51:02,559 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-23 02:51:02,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 02:51:02,559 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_cleanup [2021-11-23 02:51:02,559 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_cleanup [2021-11-23 02:51:02,560 INFO L130 BoogieDeclarations]: Found specification of procedure is_link_state_evt [2021-11-23 02:51:02,560 INFO L138 BoogieDeclarations]: Found implementation of procedure is_link_state_evt [2021-11-23 02:51:02,560 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-11-23 02:51:02,560 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-11-23 02:51:02,560 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_invalidate_icds [2021-11-23 02:51:02,560 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_invalidate_icds [2021-11-23 02:51:02,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-23 02:51:02,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-23 02:51:02,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_135 [2021-11-23 02:51:02,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_135 [2021-11-23 02:51:02,561 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_target_alloc [2021-11-23 02:51:02,561 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_target_alloc [2021-11-23 02:51:02,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 02:51:02,561 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 02:51:02,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2021-11-23 02:51:02,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2021-11-23 02:51:02,562 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_set_vlan [2021-11-23 02:51:02,562 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_set_vlan [2021-11-23 02:51:02,562 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_update_async_writables [2021-11-23 02:51:02,562 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_update_async_writables [2021-11-23 02:51:02,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-23 02:51:02,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-23 02:51:02,563 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-23 02:51:02,563 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-23 02:51:02,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-23 02:51:02,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-23 02:51:02,563 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-11-23 02:51:02,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-11-23 02:51:02,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-23 02:51:02,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-23 02:51:02,564 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_session_recovery_timedout [2021-11-23 02:51:02,564 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_session_recovery_timedout [2021-11-23 02:51:02,564 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_unregister_transport [2021-11-23 02:51:02,564 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_unregister_transport [2021-11-23 02:51:02,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 02:51:02,564 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-23 02:51:02,564 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-23 02:51:02,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-23 02:51:02,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-23 02:51:02,565 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_remove [2021-11-23 02:51:02,565 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_remove [2021-11-23 02:51:02,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 02:51:02,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_121 [2021-11-23 02:51:02,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_121 [2021-11-23 02:51:02,566 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_get_gateway [2021-11-23 02:51:02,566 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_get_gateway [2021-11-23 02:51:02,566 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_get_if_info [2021-11-23 02:51:02,566 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_get_if_info [2021-11-23 02:51:02,566 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_wrb_handle [2021-11-23 02:51:02,566 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_wrb_handle [2021-11-23 02:51:02,566 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2021-11-23 02:51:02,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2021-11-23 02:51:02,567 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2021-11-23 02:51:02,567 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2021-11-23 02:51:02,567 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-23 02:51:02,567 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-23 02:51:02,567 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-23 02:51:02,567 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-23 02:51:02,567 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_set_ip [2021-11-23 02:51:02,568 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_set_ip [2021-11-23 02:51:02,568 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_ring_cq_db [2021-11-23 02:51:02,568 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_ring_cq_db [2021-11-23 02:51:02,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-23 02:51:02,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-23 02:51:02,568 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_format_mac [2021-11-23 02:51:02,568 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_format_mac [2021-11-23 02:51:02,569 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-23 02:51:02,569 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-23 02:51:02,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-23 02:51:02,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-23 02:51:02,569 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_get_async_handle [2021-11-23 02:51:02,569 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_get_async_handle [2021-11-23 02:51:02,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-23 02:51:02,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-23 02:51:02,570 INFO L130 BoogieDeclarations]: Found specification of procedure be_mbox_db_ready_wait [2021-11-23 02:51:02,570 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mbox_db_ready_wait [2021-11-23 02:51:02,570 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2021-11-23 02:51:02,570 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2021-11-23 02:51:02,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 02:51:02,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 02:51:02,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 02:51:02,571 INFO L130 BoogieDeclarations]: Found specification of procedure find_num_cpus [2021-11-23 02:51:02,571 INFO L138 BoogieDeclarations]: Found implementation of procedure find_num_cpus [2021-11-23 02:51:02,571 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2021-11-23 02:51:02,571 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2021-11-23 02:51:02,571 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_ring_eq_db [2021-11-23 02:51:02,571 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_ring_eq_db [2021-11-23 02:51:02,572 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-23 02:51:02,572 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-23 02:51:02,572 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_host_free [2021-11-23 02:51:02,572 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_host_free [2021-11-23 02:51:02,572 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_create_ipv4_iface [2021-11-23 02:51:02,572 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_create_ipv4_iface [2021-11-23 02:51:02,572 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_shost [2021-11-23 02:51:02,572 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_shost [2021-11-23 02:51:02,573 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-23 02:51:02,573 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-23 02:51:02,573 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_destroy_endpoint [2021-11-23 02:51:02,573 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_destroy_endpoint [2021-11-23 02:51:02,573 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_conn_teardown [2021-11-23 02:51:02,573 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_conn_teardown [2021-11-23 02:51:02,573 INFO L130 BoogieDeclarations]: Found specification of procedure blk_iopoll_sched [2021-11-23 02:51:02,574 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_iopoll_sched [2021-11-23 02:51:02,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_121 [2021-11-23 02:51:02,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_121 [2021-11-23 02:51:02,574 INFO L130 BoogieDeclarations]: Found specification of procedure amap_mask [2021-11-23 02:51:02,574 INFO L138 BoogieDeclarations]: Found implementation of procedure amap_mask [2021-11-23 02:51:02,574 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_create_ipv6_iface [2021-11-23 02:51:02,574 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_create_ipv6_iface [2021-11-23 02:51:02,574 INFO L130 BoogieDeclarations]: Found specification of procedure be_encoded_q_len [2021-11-23 02:51:02,575 INFO L138 BoogieDeclarations]: Found implementation of procedure be_encoded_q_len [2021-11-23 02:51:02,575 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_fwd_async_msg [2021-11-23 02:51:02,575 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_fwd_async_msg [2021-11-23 02:51:02,575 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_static_ip_modify [2021-11-23 02:51:02,575 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_static_ip_modify [2021-11-23 02:51:02,576 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-11-23 02:51:02,576 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2021-11-23 02:51:02,576 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2021-11-23 02:51:02,576 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2021-11-23 02:51:02,576 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2021-11-23 02:51:02,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_isr_lock_of_beiscsi_hba [2021-11-23 02:51:02,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_isr_lock_of_beiscsi_hba [2021-11-23 02:51:02,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-23 02:51:02,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-23 02:51:02,577 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_compl_use [2021-11-23 02:51:02,577 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_compl_use [2021-11-23 02:51:02,577 INFO L130 BoogieDeclarations]: Found specification of procedure __iscsi_complete_pdu [2021-11-23 02:51:02,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __iscsi_complete_pdu [2021-11-23 02:51:02,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-23 02:51:02,577 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-23 02:51:02,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 02:51:02,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 02:51:02,578 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_purge_eq [2021-11-23 02:51:02,578 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_purge_eq [2021-11-23 02:51:02,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_165 [2021-11-23 02:51:02,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_165 [2021-11-23 02:51:02,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_remap [2021-11-23 02:51:02,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_remap [2021-11-23 02:51:02,579 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-23 02:51:02,579 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-23 02:51:02,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_158 [2021-11-23 02:51:02,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_158 [2021-11-23 02:51:02,579 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_compl_is_new [2021-11-23 02:51:02,579 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_compl_is_new [2021-11-23 02:51:02,579 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_exec_nonemb_cmd [2021-11-23 02:51:02,580 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_exec_nonemb_cmd [2021-11-23 02:51:02,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-23 02:51:02,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-23 02:51:02,580 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2021-11-23 02:51:02,580 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2021-11-23 02:51:02,580 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_ue_detect [2021-11-23 02:51:02,580 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_ue_detect [2021-11-23 02:51:02,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-23 02:51:02,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-23 02:51:02,581 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 02:51:02,581 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 02:51:02,581 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_eh_device_reset [2021-11-23 02:51:02,581 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_eh_device_reset [2021-11-23 02:51:02,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-23 02:51:02,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-23 02:51:02,582 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-11-23 02:51:02,582 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-11-23 02:51:02,582 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_page_addrs_prepare [2021-11-23 02:51:02,582 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_page_addrs_prepare [2021-11-23 02:51:02,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-23 02:51:02,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-23 02:51:02,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-23 02:51:02,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-23 02:51:02,583 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_cmd_reset_function [2021-11-23 02:51:02,583 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_cmd_reset_function [2021-11-23 02:51:02,583 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_eeh_resume [2021-11-23 02:51:02,583 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_eeh_resume [2021-11-23 02:51:02,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:51:02,583 INFO L130 BoogieDeclarations]: Found specification of procedure nla_find [2021-11-23 02:51:02,584 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_find [2021-11-23 02:51:02,584 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_session_teardown [2021-11-23 02:51:02,584 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_session_teardown [2021-11-23 02:51:02,584 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-23 02:51:02,584 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-23 02:51:02,584 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_init_irqs [2021-11-23 02:51:02,584 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_init_irqs [2021-11-23 02:51:02,584 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_cleanup_task [2021-11-23 02:51:02,585 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_cleanup_task [2021-11-23 02:51:02,585 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-11-23 02:51:02,585 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-11-23 02:51:02,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 02:51:02,585 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_process_cq [2021-11-23 02:51:02,585 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_process_cq [2021-11-23 02:51:02,585 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-23 02:51:02,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-23 02:51:02,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 02:51:02,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-11-23 02:51:02,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-11-23 02:51:02,586 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_eh_session_reset [2021-11-23 02:51:02,586 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_eh_session_reset [2021-11-23 02:51:02,586 INFO L130 BoogieDeclarations]: Found specification of procedure blk_iopoll_init [2021-11-23 02:51:02,586 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_iopoll_init [2021-11-23 02:51:02,587 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-23 02:51:02,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-23 02:51:02,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-23 02:51:02,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-23 02:51:02,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 02:51:02,587 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 02:51:02,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-23 02:51:02,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-23 02:51:02,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-23 02:51:02,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-23 02:51:02,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-23 02:51:02,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-23 02:51:02,588 INFO L130 BoogieDeclarations]: Found specification of procedure wrb_from_mccq [2021-11-23 02:51:02,588 INFO L138 BoogieDeclarations]: Found implementation of procedure wrb_from_mccq [2021-11-23 02:51:02,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_1 [2021-11-23 02:51:02,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_1 [2021-11-23 02:51:02,589 INFO L130 BoogieDeclarations]: Found specification of procedure be_sgl_destroy_contiguous [2021-11-23 02:51:02,589 INFO L138 BoogieDeclarations]: Found implementation of procedure be_sgl_destroy_contiguous [2021-11-23 02:51:02,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_2 [2021-11-23 02:51:02,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_2 [2021-11-23 02:51:02,589 INFO L130 BoogieDeclarations]: Found specification of procedure amap_set [2021-11-23 02:51:02,589 INFO L138 BoogieDeclarations]: Found implementation of procedure amap_set [2021-11-23 02:51:02,590 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-23 02:51:02,590 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-23 02:51:02,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-23 02:51:02,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-23 02:51:02,590 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_get [2021-11-23 02:51:02,590 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_get [2021-11-23 02:51:02,590 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_is_host_device [2021-11-23 02:51:02,590 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_is_host_device [2021-11-23 02:51:02,591 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_free_ep [2021-11-23 02:51:02,591 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_free_ep [2021-11-23 02:51:02,591 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_compl_process [2021-11-23 02:51:02,591 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_compl_process [2021-11-23 02:51:02,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_142 [2021-11-23 02:51:02,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_142 [2021-11-23 02:51:02,591 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_mccq_compl [2021-11-23 02:51:02,592 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_mccq_compl [2021-11-23 02:51:02,592 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_unmap_pci_function [2021-11-23 02:51:02,592 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_unmap_pci_function [2021-11-23 02:51:02,592 INFO L130 BoogieDeclarations]: Found specification of procedure embedded_payload [2021-11-23 02:51:02,592 INFO L138 BoogieDeclarations]: Found implementation of procedure embedded_payload [2021-11-23 02:51:02,592 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_build_be_sgl_arr [2021-11-23 02:51:02,592 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_build_be_sgl_arr [2021-11-23 02:51:02,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_146 [2021-11-23 02:51:02,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_146 [2021-11-23 02:51:02,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_0 [2021-11-23 02:51:02,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_0 [2021-11-23 02:51:02,593 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_get_macaddr [2021-11-23 02:51:02,593 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_get_macaddr [2021-11-23 02:51:02,593 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-23 02:51:02,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-23 02:51:02,594 INFO L130 BoogieDeclarations]: Found specification of procedure be_sgl_create_contiguous [2021-11-23 02:51:02,594 INFO L138 BoogieDeclarations]: Found implementation of procedure be_sgl_create_contiguous [2021-11-23 02:51:02,594 INFO L130 BoogieDeclarations]: Found specification of procedure be_chk_reset_complete [2021-11-23 02:51:02,594 INFO L138 BoogieDeclarations]: Found implementation of procedure be_chk_reset_complete [2021-11-23 02:51:02,594 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-23 02:51:02,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-23 02:51:02,594 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_boot_destroy_kset [2021-11-23 02:51:02,595 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_boot_destroy_kset [2021-11-23 02:51:02,595 INFO L130 BoogieDeclarations]: Found specification of procedure free_mgmt_sgl_handle [2021-11-23 02:51:02,595 INFO L138 BoogieDeclarations]: Found implementation of procedure free_mgmt_sgl_handle [2021-11-23 02:51:02,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-23 02:51:02,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-23 02:51:02,595 INFO L130 BoogieDeclarations]: Found specification of procedure be_mbox_notify [2021-11-23 02:51:02,595 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mbox_notify [2021-11-23 02:51:02,595 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2021-11-23 02:51:02,596 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2021-11-23 02:51:02,596 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_alloc_cmd_data [2021-11-23 02:51:02,596 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_alloc_cmd_data [2021-11-23 02:51:02,596 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_bsg_request [2021-11-23 02:51:02,596 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_bsg_request [2021-11-23 02:51:02,596 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-23 02:51:02,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-23 02:51:02,597 INFO L130 BoogieDeclarations]: Found specification of procedure be_queue_alloc [2021-11-23 02:51:02,597 INFO L138 BoogieDeclarations]: Found implementation of procedure be_queue_alloc [2021-11-23 02:51:02,597 INFO L130 BoogieDeclarations]: Found specification of procedure shost_priv [2021-11-23 02:51:02,597 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_priv [2021-11-23 02:51:02,597 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-11-23 02:51:02,597 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-11-23 02:51:02,597 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_create_iface [2021-11-23 02:51:02,597 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_create_iface [2021-11-23 02:51:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_slave_configure [2021-11-23 02:51:02,598 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_slave_configure [2021-11-23 02:51:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure queue_tail_node [2021-11-23 02:51:02,598 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_tail_node [2021-11-23 02:51:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-23 02:51:02,598 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-23 02:51:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-23 02:51:02,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-23 02:51:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 02:51:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 02:51:02,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 02:51:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_init_controller [2021-11-23 02:51:02,599 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_init_controller [2021-11-23 02:51:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-23 02:51:02,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-23 02:51:02,600 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-23 02:51:02,600 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-23 02:51:02,600 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_free_async_msg [2021-11-23 02:51:02,600 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_free_async_msg [2021-11-23 02:51:02,600 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_hdr_prepare [2021-11-23 02:51:02,600 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_hdr_prepare [2021-11-23 02:51:02,600 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_msix_enable [2021-11-23 02:51:02,600 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_msix_enable [2021-11-23 02:51:02,601 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bufflen [2021-11-23 02:51:02,601 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bufflen [2021-11-23 02:51:02,601 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-23 02:51:02,601 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-23 02:51:02,601 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_eh_abort [2021-11-23 02:51:02,601 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_eh_abort [2021-11-23 02:51:02,601 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2021-11-23 02:51:02,602 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2021-11-23 02:51:02,602 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-23 02:51:02,602 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-23 02:51:02,602 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_quiesce [2021-11-23 02:51:02,602 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_quiesce [2021-11-23 02:51:02,602 INFO L130 BoogieDeclarations]: Found specification of procedure blk_iopoll_enable [2021-11-23 02:51:02,602 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_iopoll_enable [2021-11-23 02:51:02,602 INFO L130 BoogieDeclarations]: Found specification of procedure blk_iopoll_disable [2021-11-23 02:51:02,603 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_iopoll_disable [2021-11-23 02:51:02,603 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_host_for_each_session [2021-11-23 02:51:02,603 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_host_for_each_session [2021-11-23 02:51:02,603 INFO L130 BoogieDeclarations]: Found specification of procedure blk_iopoll_sched_prep [2021-11-23 02:51:02,603 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_iopoll_sched_prep [2021-11-23 02:51:02,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 02:51:02,603 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_error [2021-11-23 02:51:02,603 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_error [2021-11-23 02:51:02,604 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-23 02:51:02,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-23 02:51:02,604 INFO L130 BoogieDeclarations]: Found specification of procedure be_fill_queue [2021-11-23 02:51:02,604 INFO L138 BoogieDeclarations]: Found implementation of procedure be_fill_queue [2021-11-23 02:51:02,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-23 02:51:02,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-23 02:51:02,604 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_get_params [2021-11-23 02:51:02,605 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_get_params [2021-11-23 02:51:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_notify [2021-11-23 02:51:02,605 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_notify [2021-11-23 02:51:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_async_link_state_process [2021-11-23 02:51:02,605 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_async_link_state_process [2021-11-23 02:51:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-23 02:51:02,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-23 02:51:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_setup_boot_info [2021-11-23 02:51:02,606 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_setup_boot_info [2021-11-23 02:51:02,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-23 02:51:02,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-23 02:51:02,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-23 02:51:02,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-23 02:51:02,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-23 02:51:02,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-23 02:51:02,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-23 02:51:02,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-23 02:51:02,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_mgmt_sgl_lock_of_beiscsi_hba [2021-11-23 02:51:02,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_mgmt_sgl_lock_of_beiscsi_hba [2021-11-23 02:51:02,607 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_write_buffer [2021-11-23 02:51:02,607 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_write_buffer [2021-11-23 02:51:02,607 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_unmap [2021-11-23 02:51:02,607 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dma_unmap [2021-11-23 02:51:02,608 INFO L130 BoogieDeclarations]: Found specification of procedure be2iscsi_fail_session [2021-11-23 02:51:02,608 INFO L138 BoogieDeclarations]: Found implementation of procedure be2iscsi_fail_session [2021-11-23 02:51:02,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_143 [2021-11-23 02:51:02,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_143 [2021-11-23 02:51:02,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_147 [2021-11-23 02:51:02,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_147 [2021-11-23 02:51:02,608 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_shutdown [2021-11-23 02:51:02,608 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_shutdown [2021-11-23 02:51:02,609 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-23 02:51:02,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-23 02:51:02,609 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_destroy_iface [2021-11-23 02:51:02,609 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_destroy_iface [2021-11-23 02:51:02,609 INFO L130 BoogieDeclarations]: Found specification of procedure free_wrb_handle [2021-11-23 02:51:02,609 INFO L138 BoogieDeclarations]: Found implementation of procedure free_wrb_handle [2021-11-23 02:51:02,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-23 02:51:02,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-23 02:51:02,610 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_cmd_q_destroy [2021-11-23 02:51:02,610 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_cmd_q_destroy [2021-11-23 02:51:02,610 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 02:51:02,610 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 02:51:02,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_122 [2021-11-23 02:51:02,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_122 [2021-11-23 02:51:02,611 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_post_async_buffers [2021-11-23 02:51:02,611 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_post_async_buffers [2021-11-23 02:51:02,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-23 02:51:02,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-23 02:51:02,611 INFO L130 BoogieDeclarations]: Found specification of procedure be_complete_nopin_resp [2021-11-23 02:51:02,611 INFO L138 BoogieDeclarations]: Found implementation of procedure be_complete_nopin_resp [2021-11-23 02:51:02,611 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-23 02:51:02,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-23 02:51:02,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-23 02:51:02,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-23 02:51:02,612 INFO L130 BoogieDeclarations]: Found specification of procedure __ilog2_u32 [2021-11-23 02:51:02,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __ilog2_u32 [2021-11-23 02:51:02,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-23 02:51:02,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-23 02:51:02,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-23 02:51:02,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-23 02:51:02,613 INFO L130 BoogieDeclarations]: Found specification of procedure wrb_from_mbox [2021-11-23 02:51:02,613 INFO L138 BoogieDeclarations]: Found implementation of procedure wrb_from_mbox [2021-11-23 02:51:02,613 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_create_default_pdu_queue [2021-11-23 02:51:02,613 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_create_default_pdu_queue [2021-11-23 02:51:02,613 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-23 02:51:02,613 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-23 02:51:02,613 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_process_default_pdu_ring [2021-11-23 02:51:02,614 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_process_default_pdu_ring [2021-11-23 02:51:02,614 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-23 02:51:02,614 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-23 02:51:02,614 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-23 02:51:02,614 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-23 02:51:02,614 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_ep_disconnect [2021-11-23 02:51:02,614 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_ep_disconnect [2021-11-23 02:51:02,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:51:02,615 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_free_mgmt_task_handles [2021-11-23 02:51:02,615 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_free_mgmt_task_handles [2021-11-23 02:51:04,853 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:51:04,859 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:51:04,940 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-23 02:51:36,459 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:51:44,744 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:51:44,745 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 02:51:44,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:51:44 BoogieIcfgContainer [2021-11-23 02:51:44,754 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:51:44,756 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:51:44,756 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:51:44,762 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:51:44,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:50:44" (1/3) ... [2021-11-23 02:51:44,763 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c676e80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:51:44, skipping insertion in model container [2021-11-23 02:51:44,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:51:00" (2/3) ... [2021-11-23 02:51:44,764 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c676e80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:51:44, skipping insertion in model container [2021-11-23 02:51:44,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:51:44" (3/3) ... [2021-11-23 02:51:44,765 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i [2021-11-23 02:51:44,771 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:51:44,771 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2021-11-23 02:51:44,839 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:51:44,845 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 [2021-11-23 02:51:44,845 INFO L340 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2021-11-23 02:51:44,956 INFO L276 IsEmpty]: Start isEmpty. Operand has 4816 states, 2797 states have (on average 1.2992491955666785) internal successors, (3634), 2925 states have internal predecessors, (3634), 1724 states have call successors, (1724), 268 states have call predecessors, (1724), 267 states have return successors, (1718), 1693 states have call predecessors, (1718), 1718 states have call successors, (1718) [2021-11-23 02:51:44,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 02:51:44,963 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:51:44,964 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] [2021-11-23 02:51:44,964 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 26 more)] === [2021-11-23 02:51:44,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:51:44,970 INFO L85 PathProgramCache]: Analyzing trace with hash 1755694893, now seen corresponding path program 1 times [2021-11-23 02:51:44,980 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:51:44,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748595872] [2021-11-23 02:51:44,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:51:44,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:51:45,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:51:46,322 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 02:51:46,322 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:51:46,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748595872] [2021-11-23 02:51:46,323 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748595872] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:51:46,324 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:51:46,324 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 02:51:46,325 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203739246] [2021-11-23 02:51:46,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:51:46,330 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:51:46,331 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:51:46,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:51:46,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:51:46,373 INFO L87 Difference]: Start difference. First operand has 4816 states, 2797 states have (on average 1.2992491955666785) internal successors, (3634), 2925 states have internal predecessors, (3634), 1724 states have call successors, (1724), 268 states have call predecessors, (1724), 267 states have return successors, (1718), 1693 states have call predecessors, (1718), 1718 states have call successors, (1718) 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) [2021-11-23 02:51:49,549 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 [] [2021-11-23 02:51:51,577 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:51:57,673 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:52:00,945 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:52:04,740 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:52:07,016 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:52:12,086 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:52:17,604 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:52:19,927 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:52:22,066 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:52:24,954 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 02:52:26,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:52:26,297 INFO L93 Difference]: Finished difference Result 13670 states and 20687 transitions. [2021-11-23 02:52:26,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 02:52:26,299 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 [2021-11-23 02:52:26,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:52:26,417 INFO L225 Difference]: With dead ends: 13670 [2021-11-23 02:52:26,418 INFO L226 Difference]: Without dead ends: 8848 [2021-11-23 02:52:26,488 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 [2021-11-23 02:52:26,498 INFO L933 BasicCegarLoop]: 8439 mSDtfsCounter, 5894 mSDsluCounter, 16340 mSDsCounter, 0 mSdLazyCounter, 2587 mSolverCounterSat, 2 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5898 SdHoareTripleChecker+Valid, 23103 SdHoareTripleChecker+Invalid, 2598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2587 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:52:26,499 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5898 Valid, 23103 Invalid, 2598 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2587 Invalid, 9 Unknown, 0 Unchecked, 39.0s Time] [2021-11-23 02:52:26,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8848 states. [2021-11-23 02:52:27,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8848 to 8669. [2021-11-23 02:52:27,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8669 states, 5036 states have (on average 1.2861397934868943) internal successors, (6477), 5251 states have internal predecessors, (6477), 3106 states have call successors, (3106), 501 states have call predecessors, (3106), 499 states have return successors, (3110), 3045 states have call predecessors, (3110), 3102 states have call successors, (3110) [2021-11-23 02:52:27,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8669 states to 8669 states and 12693 transitions. [2021-11-23 02:52:27,572 INFO L78 Accepts]: Start accepts. Automaton has 8669 states and 12693 transitions. Word has length 48 [2021-11-23 02:52:27,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:52:27,573 INFO L470 AbstractCegarLoop]: Abstraction has 8669 states and 12693 transitions. [2021-11-23 02:52:27,574 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) [2021-11-23 02:52:27,575 INFO L276 IsEmpty]: Start isEmpty. Operand 8669 states and 12693 transitions. [2021-11-23 02:52:27,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 02:52:27,586 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:52:27,586 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] [2021-11-23 02:52:27,587 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 02:52:27,587 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 26 more)] === [2021-11-23 02:52:27,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:52:27,590 INFO L85 PathProgramCache]: Analyzing trace with hash 1117865764, now seen corresponding path program 1 times [2021-11-23 02:52:27,590 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:52:27,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854554666] [2021-11-23 02:52:27,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:52:27,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:52:27,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:52:28,292 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 02:52:28,292 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:52:28,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854554666] [2021-11-23 02:52:28,293 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854554666] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:52:28,293 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:52:28,293 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 02:52:28,293 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400357936] [2021-11-23 02:52:28,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:52:28,295 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:52:28,296 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:52:28,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:52:28,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:52:28,297 INFO L87 Difference]: Start difference. First operand 8669 states and 12693 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) [2021-11-23 02:52:32,038 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:52:34,051 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:52:38,970 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:52:42,355 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:52:45,560 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:52:47,046 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:52:54,825 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:52:57,970 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 02:52:59,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:52:59,752 INFO L93 Difference]: Finished difference Result 13430 states and 19656 transitions. [2021-11-23 02:52:59,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 02:52:59,753 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 [2021-11-23 02:52:59,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:52:59,914 INFO L225 Difference]: With dead ends: 13430 [2021-11-23 02:52:59,915 INFO L226 Difference]: Without dead ends: 13428 [2021-11-23 02:52:59,926 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 [2021-11-23 02:52:59,927 INFO L933 BasicCegarLoop]: 8080 mSDtfsCounter, 6967 mSDsluCounter, 15868 mSDsCounter, 0 mSdLazyCounter, 2413 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6973 SdHoareTripleChecker+Valid, 22354 SdHoareTripleChecker+Invalid, 2419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2413 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.7s IncrementalHoareTripleChecker+Time [2021-11-23 02:52:59,928 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6973 Valid, 22354 Invalid, 2419 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2413 Invalid, 5 Unknown, 0 Unchecked, 30.7s Time] [2021-11-23 02:52:59,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13428 states. [2021-11-23 02:53:00,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13428 to 13261. [2021-11-23 02:53:00,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13261 states, 7716 states have (on average 1.2873250388802489) internal successors, (9933), 8032 states have internal predecessors, (9933), 4769 states have call successors, (4769), 750 states have call predecessors, (4769), 748 states have return successors, (4777), 4676 states have call predecessors, (4777), 4764 states have call successors, (4777) [2021-11-23 02:53:00,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13261 states to 13261 states and 19479 transitions. [2021-11-23 02:53:00,982 INFO L78 Accepts]: Start accepts. Automaton has 13261 states and 19479 transitions. Word has length 53 [2021-11-23 02:53:00,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:53:00,983 INFO L470 AbstractCegarLoop]: Abstraction has 13261 states and 19479 transitions. [2021-11-23 02:53:00,984 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) [2021-11-23 02:53:00,984 INFO L276 IsEmpty]: Start isEmpty. Operand 13261 states and 19479 transitions. [2021-11-23 02:53:00,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 02:53:00,990 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:53:00,990 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] [2021-11-23 02:53:00,990 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 02:53:00,991 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 26 more)] === [2021-11-23 02:53:00,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:53:00,991 INFO L85 PathProgramCache]: Analyzing trace with hash -1572518196, now seen corresponding path program 1 times [2021-11-23 02:53:00,991 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:53:00,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646138840] [2021-11-23 02:53:00,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:53:00,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:53:01,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:53:01,822 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 02:53:01,822 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:53:01,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646138840] [2021-11-23 02:53:01,823 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646138840] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:53:01,823 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:53:01,823 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 02:53:01,823 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360273148] [2021-11-23 02:53:01,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:53:01,824 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:53:01,824 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:53:01,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:53:01,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:53:01,826 INFO L87 Difference]: Start difference. First operand 13261 states and 19479 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) [2021-11-23 02:53:06,264 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:53:11,179 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:53:14,544 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:53:16,669 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:53:18,115 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:53:20,180 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:53:25,832 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:53:27,251 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:53:29,365 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 02:53:32,242 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:53:34,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:53:34,241 INFO L93 Difference]: Finished difference Result 13430 states and 19655 transitions. [2021-11-23 02:53:34,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 02:53:34,242 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 [2021-11-23 02:53:34,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:53:34,355 INFO L225 Difference]: With dead ends: 13430 [2021-11-23 02:53:34,355 INFO L226 Difference]: Without dead ends: 13428 [2021-11-23 02:53:34,366 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 [2021-11-23 02:53:34,367 INFO L933 BasicCegarLoop]: 8080 mSDtfsCounter, 6965 mSDsluCounter, 15870 mSDsCounter, 0 mSdLazyCounter, 2413 mSolverCounterSat, 1 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6969 SdHoareTripleChecker+Valid, 22354 SdHoareTripleChecker+Invalid, 2421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2413 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:53:34,367 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6969 Valid, 22354 Invalid, 2421 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2413 Invalid, 7 Unknown, 0 Unchecked, 32.0s Time] [2021-11-23 02:53:34,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13428 states. [2021-11-23 02:53:35,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13428 to 13269. [2021-11-23 02:53:35,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13269 states, 7720 states have (on average 1.287176165803109) internal successors, (9937), 8037 states have internal predecessors, (9937), 4771 states have call successors, (4771), 751 states have call predecessors, (4771), 750 states have return successors, (4779), 4678 states have call predecessors, (4779), 4766 states have call successors, (4779) [2021-11-23 02:53:35,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13269 states to 13269 states and 19487 transitions. [2021-11-23 02:53:35,503 INFO L78 Accepts]: Start accepts. Automaton has 13269 states and 19487 transitions. Word has length 58 [2021-11-23 02:53:35,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:53:35,505 INFO L470 AbstractCegarLoop]: Abstraction has 13269 states and 19487 transitions. [2021-11-23 02:53:35,505 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) [2021-11-23 02:53:35,505 INFO L276 IsEmpty]: Start isEmpty. Operand 13269 states and 19487 transitions. [2021-11-23 02:53:35,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 02:53:35,507 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:53:35,508 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, 1, 1, 1, 1, 1] [2021-11-23 02:53:35,508 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 02:53:35,508 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 26 more)] === [2021-11-23 02:53:35,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:53:35,509 INFO L85 PathProgramCache]: Analyzing trace with hash -1507882711, now seen corresponding path program 1 times [2021-11-23 02:53:35,509 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:53:35,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294884865] [2021-11-23 02:53:35,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:53:35,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:53:35,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:53:36,177 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 02:53:36,177 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:53:36,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294884865] [2021-11-23 02:53:36,178 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294884865] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:53:36,178 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:53:36,178 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 02:53:36,178 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317266509] [2021-11-23 02:53:36,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:53:36,179 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:53:36,179 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:53:36,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:53:36,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:53:36,181 INFO L87 Difference]: Start difference. First operand 13269 states and 19487 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) [2021-11-23 02:53:39,574 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:53:41,578 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:53:47,807 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:53:50,430 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:53:54,175 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:53:56,361 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:54:02,696 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:54:07,586 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:54:10,193 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 02:54:11,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:54:11,462 INFO L93 Difference]: Finished difference Result 14367 states and 20965 transitions. [2021-11-23 02:54:11,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 02:54:11,462 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 [2021-11-23 02:54:11,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:54:11,555 INFO L225 Difference]: With dead ends: 14367 [2021-11-23 02:54:11,555 INFO L226 Difference]: Without dead ends: 14365 [2021-11-23 02:54:11,567 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 [2021-11-23 02:54:11,568 INFO L933 BasicCegarLoop]: 8275 mSDtfsCounter, 6951 mSDsluCounter, 16101 mSDsCounter, 0 mSdLazyCounter, 2484 mSolverCounterSat, 1 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6957 SdHoareTripleChecker+Valid, 22744 SdHoareTripleChecker+Invalid, 2492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2484 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.8s IncrementalHoareTripleChecker+Time [2021-11-23 02:54:11,569 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6957 Valid, 22744 Invalid, 2492 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2484 Invalid, 7 Unknown, 0 Unchecked, 34.8s Time] [2021-11-23 02:54:11,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14365 states. [2021-11-23 02:54:12,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14365 to 14210. [2021-11-23 02:54:12,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14210 states, 8248 states have (on average 1.2837051406401552) internal successors, (10588), 8579 states have internal predecessors, (10588), 5104 states have call successors, (5104), 831 states have call predecessors, (5104), 830 states have return successors, (5108), 5009 states have call predecessors, (5108), 5098 states have call successors, (5108) [2021-11-23 02:54:12,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14210 states to 14210 states and 20800 transitions. [2021-11-23 02:54:12,892 INFO L78 Accepts]: Start accepts. Automaton has 14210 states and 20800 transitions. Word has length 63 [2021-11-23 02:54:12,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:54:12,892 INFO L470 AbstractCegarLoop]: Abstraction has 14210 states and 20800 transitions. [2021-11-23 02:54:12,893 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) [2021-11-23 02:54:12,893 INFO L276 IsEmpty]: Start isEmpty. Operand 14210 states and 20800 transitions. [2021-11-23 02:54:12,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 02:54:12,896 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:54:12,896 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] [2021-11-23 02:54:12,896 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 02:54:12,898 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 26 more)] === [2021-11-23 02:54:12,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:54:12,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1595473589, now seen corresponding path program 1 times [2021-11-23 02:54:12,899 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:54:12,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42195042] [2021-11-23 02:54:12,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:54:12,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:54:13,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:54:13,562 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 02:54:13,562 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:54:13,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42195042] [2021-11-23 02:54:13,562 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42195042] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:54:13,563 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:54:13,563 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 02:54:13,563 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037414103] [2021-11-23 02:54:13,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:54:13,565 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:54:13,565 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:54:13,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:54:13,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:54:13,566 INFO L87 Difference]: Start difference. First operand 14210 states and 20800 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) [2021-11-23 02:54:18,128 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:54:24,108 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:54:27,225 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:54:29,109 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:54:30,484 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:54:31,777 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:54:33,036 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:54:34,397 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:54:40,030 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:54:41,747 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:54:43,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:54:43,956 INFO L93 Difference]: Finished difference Result 14387 states and 20986 transitions. [2021-11-23 02:54:43,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 02:54:43,957 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 [2021-11-23 02:54:43,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:54:44,042 INFO L225 Difference]: With dead ends: 14387 [2021-11-23 02:54:44,043 INFO L226 Difference]: Without dead ends: 14385 [2021-11-23 02:54:44,052 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 [2021-11-23 02:54:44,054 INFO L933 BasicCegarLoop]: 8281 mSDtfsCounter, 6977 mSDsluCounter, 16108 mSDsCounter, 0 mSdLazyCounter, 2489 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6979 SdHoareTripleChecker+Valid, 22756 SdHoareTripleChecker+Invalid, 2493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2489 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.7s IncrementalHoareTripleChecker+Time [2021-11-23 02:54:44,054 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6979 Valid, 22756 Invalid, 2493 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2489 Invalid, 3 Unknown, 0 Unchecked, 29.7s Time] [2021-11-23 02:54:44,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14385 states. [2021-11-23 02:54:45,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14385 to 14243. [2021-11-23 02:54:45,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14243 states, 8266 states have (on average 1.2834502782482458) internal successors, (10609), 8598 states have internal predecessors, (10609), 5112 states have call successors, (5112), 838 states have call predecessors, (5112), 837 states have return successors, (5116), 5017 states have call predecessors, (5116), 5106 states have call successors, (5116) [2021-11-23 02:54:45,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14243 states to 14243 states and 20837 transitions. [2021-11-23 02:54:45,241 INFO L78 Accepts]: Start accepts. Automaton has 14243 states and 20837 transitions. Word has length 68 [2021-11-23 02:54:45,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:54:45,242 INFO L470 AbstractCegarLoop]: Abstraction has 14243 states and 20837 transitions. [2021-11-23 02:54:45,243 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) [2021-11-23 02:54:45,243 INFO L276 IsEmpty]: Start isEmpty. Operand 14243 states and 20837 transitions. [2021-11-23 02:54:45,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 02:54:45,245 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:54:45,245 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] [2021-11-23 02:54:45,245 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 02:54:45,246 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-23 02:54:45,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:54:45,246 INFO L85 PathProgramCache]: Analyzing trace with hash -1836599409, now seen corresponding path program 1 times [2021-11-23 02:54:45,247 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:54:45,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984037089] [2021-11-23 02:54:45,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:54:45,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:54:45,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:54:46,023 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 02:54:46,023 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:54:46,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984037089] [2021-11-23 02:54:46,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984037089] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:54:46,024 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:54:46,024 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 02:54:46,024 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360262574] [2021-11-23 02:54:46,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:54:46,025 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:54:46,025 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:54:46,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:54:46,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:54:46,026 INFO L87 Difference]: Start difference. First operand 14243 states and 20837 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) [2021-11-23 02:54:50,909 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 [] [2021-11-23 02:54:57,299 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:55:01,662 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:55:04,287 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:55:06,419 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:55:07,847 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:55:09,369 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:55:11,965 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:55:14,906 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:55:18,605 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 02:55:20,750 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 02:55:23,324 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 02:55:26,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:55:26,038 INFO L93 Difference]: Finished difference Result 22063 states and 32279 transitions. [2021-11-23 02:55:26,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 02:55:26,038 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 [2021-11-23 02:55:26,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:55:26,164 INFO L225 Difference]: With dead ends: 22063 [2021-11-23 02:55:26,164 INFO L226 Difference]: Without dead ends: 22061 [2021-11-23 02:55:26,177 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 [2021-11-23 02:55:26,178 INFO L933 BasicCegarLoop]: 8564 mSDtfsCounter, 6916 mSDsluCounter, 16416 mSDsCounter, 0 mSdLazyCounter, 2541 mSolverCounterSat, 1 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6922 SdHoareTripleChecker+Valid, 23322 SdHoareTripleChecker+Invalid, 2552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2541 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.2s IncrementalHoareTripleChecker+Time [2021-11-23 02:55:26,179 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6922 Valid, 23322 Invalid, 2552 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2541 Invalid, 10 Unknown, 0 Unchecked, 39.2s Time] [2021-11-23 02:55:26,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22061 states. [2021-11-23 02:55:27,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22061 to 21918. [2021-11-23 02:55:27,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21918 states, 12726 states have (on average 1.2848499135627849) internal successors, (16351), 13229 states have internal predecessors, (16351), 7886 states have call successors, (7886), 1279 states have call predecessors, (7886), 1278 states have return successors, (7893), 7729 states have call predecessors, (7893), 7878 states have call successors, (7893) [2021-11-23 02:55:28,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21918 states to 21918 states and 32130 transitions. [2021-11-23 02:55:28,032 INFO L78 Accepts]: Start accepts. Automaton has 21918 states and 32130 transitions. Word has length 73 [2021-11-23 02:55:28,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:55:28,032 INFO L470 AbstractCegarLoop]: Abstraction has 21918 states and 32130 transitions. [2021-11-23 02:55:28,033 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) [2021-11-23 02:55:28,033 INFO L276 IsEmpty]: Start isEmpty. Operand 21918 states and 32130 transitions. [2021-11-23 02:55:28,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-23 02:55:28,036 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:55:28,037 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] [2021-11-23 02:55:28,037 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-23 02:55:28,037 INFO L402 AbstractCegarLoop]: === Iteration 7 === 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 26 more)] === [2021-11-23 02:55:28,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:55:28,038 INFO L85 PathProgramCache]: Analyzing trace with hash -1303384444, now seen corresponding path program 1 times [2021-11-23 02:55:28,038 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:55:28,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376963193] [2021-11-23 02:55:28,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:55:28,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:55:28,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:55:28,602 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 02:55:28,603 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:55:28,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376963193] [2021-11-23 02:55:28,603 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376963193] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:55:28,603 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:55:28,603 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 02:55:28,604 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227611290] [2021-11-23 02:55:28,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:55:28,604 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:55:28,605 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:55:28,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:55:28,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:55:28,606 INFO L87 Difference]: Start difference. First operand 21918 states and 32130 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) [2021-11-23 02:55:32,480 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:55:33,505 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:55:38,524 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:55:41,919 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:55:45,560 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:55:47,072 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:55:49,960 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:55:52,123 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:55:53,730 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:55:55,151 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:56:02,332 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 02:56:04,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:56:04,545 INFO L93 Difference]: Finished difference Result 22065 states and 32286 transitions. [2021-11-23 02:56:04,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 02:56:04,546 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 [2021-11-23 02:56:04,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:56:04,727 INFO L225 Difference]: With dead ends: 22065 [2021-11-23 02:56:04,727 INFO L226 Difference]: Without dead ends: 22063 [2021-11-23 02:56:04,737 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 [2021-11-23 02:56:04,738 INFO L933 BasicCegarLoop]: 8074 mSDtfsCounter, 6925 mSDsluCounter, 15861 mSDsCounter, 0 mSdLazyCounter, 2411 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6935 SdHoareTripleChecker+Valid, 22342 SdHoareTripleChecker+Invalid, 2418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2411 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:56:04,739 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6935 Valid, 22342 Invalid, 2418 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2411 Invalid, 6 Unknown, 0 Unchecked, 35.1s Time] [2021-11-23 02:56:04,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22063 states. [2021-11-23 02:56:06,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22063 to 21930. [2021-11-23 02:56:06,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21930 states, 12732 states have (on average 1.284794219289978) internal successors, (16358), 13235 states have internal predecessors, (16358), 7890 states have call successors, (7890), 1281 states have call predecessors, (7890), 1280 states have return successors, (7897), 7733 states have call predecessors, (7897), 7882 states have call successors, (7897) [2021-11-23 02:56:06,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21930 states to 21930 states and 32145 transitions. [2021-11-23 02:56:06,634 INFO L78 Accepts]: Start accepts. Automaton has 21930 states and 32145 transitions. Word has length 78 [2021-11-23 02:56:06,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:56:06,636 INFO L470 AbstractCegarLoop]: Abstraction has 21930 states and 32145 transitions. [2021-11-23 02:56:06,637 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) [2021-11-23 02:56:06,637 INFO L276 IsEmpty]: Start isEmpty. Operand 21930 states and 32145 transitions. [2021-11-23 02:56:06,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-23 02:56:06,647 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:56:06,647 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:56:06,647 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-23 02:56:06,648 INFO L402 AbstractCegarLoop]: === Iteration 8 === 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 26 more)] === [2021-11-23 02:56:06,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:56:06,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1231378675, now seen corresponding path program 1 times [2021-11-23 02:56:06,650 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:56:06,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349629084] [2021-11-23 02:56:06,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:56:06,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:56:07,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:56:07,422 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 02:56:07,422 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:56:07,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349629084] [2021-11-23 02:56:07,423 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349629084] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:56:07,423 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:56:07,423 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:56:07,423 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210461384] [2021-11-23 02:56:07,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:56:07,425 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:56:07,425 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:56:07,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:56:07,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:56:07,426 INFO L87 Difference]: Start difference. First operand 21930 states and 32145 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-23 02:56:12,033 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:56:14,711 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:56:18,291 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:56:20,441 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:56:21,679 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:56:23,831 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:56:29,718 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 02:56:30,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:56:30,386 INFO L93 Difference]: Finished difference Result 48138 states and 70556 transitions. [2021-11-23 02:56:30,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:56:30,387 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 87 [2021-11-23 02:56:30,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:56:30,543 INFO L225 Difference]: With dead ends: 48138 [2021-11-23 02:56:30,544 INFO L226 Difference]: Without dead ends: 26229 [2021-11-23 02:56:30,665 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 [2021-11-23 02:56:30,666 INFO L933 BasicCegarLoop]: 7905 mSDtfsCounter, 6989 mSDsluCounter, 6282 mSDsCounter, 0 mSdLazyCounter, 1510 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6993 SdHoareTripleChecker+Valid, 13492 SdHoareTripleChecker+Invalid, 1515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1510 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.7s IncrementalHoareTripleChecker+Time [2021-11-23 02:56:30,666 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6993 Valid, 13492 Invalid, 1515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1510 Invalid, 4 Unknown, 0 Unchecked, 21.7s Time] [2021-11-23 02:56:30,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26229 states. [2021-11-23 02:56:32,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26229 to 26157. [2021-11-23 02:56:32,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26157 states, 15203 states have (on average 1.2856015260146023) internal successors, (19545), 15793 states have internal predecessors, (19545), 9409 states have call successors, (9409), 1519 states have call predecessors, (9409), 1517 states have return successors, (9419), 9222 states have call predecessors, (9419), 9400 states have call successors, (9419) [2021-11-23 02:56:32,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26157 states to 26157 states and 38373 transitions. [2021-11-23 02:56:32,752 INFO L78 Accepts]: Start accepts. Automaton has 26157 states and 38373 transitions. Word has length 87 [2021-11-23 02:56:32,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:56:32,753 INFO L470 AbstractCegarLoop]: Abstraction has 26157 states and 38373 transitions. [2021-11-23 02:56:32,753 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-23 02:56:32,753 INFO L276 IsEmpty]: Start isEmpty. Operand 26157 states and 38373 transitions. [2021-11-23 02:56:32,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-23 02:56:32,756 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:56:32,756 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] [2021-11-23 02:56:32,756 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-23 02:56:32,757 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-23 02:56:32,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:56:32,757 INFO L85 PathProgramCache]: Analyzing trace with hash -1902109068, now seen corresponding path program 1 times [2021-11-23 02:56:32,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:56:32,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275848098] [2021-11-23 02:56:32,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:56:32,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:56:33,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:56:33,307 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 02:56:33,307 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:56:33,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275848098] [2021-11-23 02:56:33,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275848098] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:56:33,308 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:56:33,308 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 02:56:33,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964522784] [2021-11-23 02:56:33,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:56:33,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:56:33,309 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:56:33,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:56:33,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:56:33,310 INFO L87 Difference]: Start difference. First operand 26157 states and 38373 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) [2021-11-23 02:56:37,671 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 [] [2021-11-23 02:56:45,253 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:56:48,299 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:56:49,876 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:56:52,318 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:56:54,184 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:56:56,456 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:56:59,028 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:57:01,745 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 02:57:04,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:57:04,950 INFO L93 Difference]: Finished difference Result 29228 states and 42716 transitions. [2021-11-23 02:57:04,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 02:57:04,951 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 [2021-11-23 02:57:04,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:57:05,194 INFO L225 Difference]: With dead ends: 29228 [2021-11-23 02:57:05,195 INFO L226 Difference]: Without dead ends: 29226 [2021-11-23 02:57:05,209 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 [2021-11-23 02:57:05,215 INFO L933 BasicCegarLoop]: 8075 mSDtfsCounter, 6919 mSDsluCounter, 15857 mSDsCounter, 0 mSdLazyCounter, 2411 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6927 SdHoareTripleChecker+Valid, 22340 SdHoareTripleChecker+Invalid, 2417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2411 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.3s IncrementalHoareTripleChecker+Time [2021-11-23 02:57:05,215 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6927 Valid, 22340 Invalid, 2417 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2411 Invalid, 5 Unknown, 0 Unchecked, 30.3s Time] [2021-11-23 02:57:05,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29226 states. [2021-11-23 02:57:07,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29226 to 29102. [2021-11-23 02:57:07,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29102 states, 16923 states have (on average 1.2855285705844117) internal successors, (21755), 17576 states have internal predecessors, (21755), 10410 states have call successors, (10410), 1743 states have call predecessors, (10410), 1741 states have return successors, (10420), 10198 states have call predecessors, (10420), 10401 states have call successors, (10420) [2021-11-23 02:57:07,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29102 states to 29102 states and 42585 transitions. [2021-11-23 02:57:07,245 INFO L78 Accepts]: Start accepts. Automaton has 29102 states and 42585 transitions. Word has length 83 [2021-11-23 02:57:07,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:57:07,246 INFO L470 AbstractCegarLoop]: Abstraction has 29102 states and 42585 transitions. [2021-11-23 02:57:07,246 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) [2021-11-23 02:57:07,246 INFO L276 IsEmpty]: Start isEmpty. Operand 29102 states and 42585 transitions. [2021-11-23 02:57:07,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-23 02:57:07,248 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:57:07,249 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] [2021-11-23 02:57:07,249 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-23 02:57:07,249 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-23 02:57:07,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:57:07,250 INFO L85 PathProgramCache]: Analyzing trace with hash 1729571191, now seen corresponding path program 1 times [2021-11-23 02:57:07,250 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:57:07,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865397685] [2021-11-23 02:57:07,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:57:07,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:57:07,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:57:08,181 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 02:57:08,181 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:57:08,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865397685] [2021-11-23 02:57:08,181 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865397685] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:57:08,182 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:57:08,182 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 02:57:08,182 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883829554] [2021-11-23 02:57:08,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:57:08,182 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:57:08,182 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:57:08,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:57:08,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:57:08,183 INFO L87 Difference]: Start difference. First operand 29102 states and 42585 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) [2021-11-23 02:57:17,197 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:57:21,238 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:57:23,478 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:57:24,718 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:57:26,530 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:57:31,049 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:57:35,425 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:57:39,023 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:57:42,134 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 02:57:43,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:57:43,016 INFO L93 Difference]: Finished difference Result 29227 states and 42712 transitions. [2021-11-23 02:57:43,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 02:57:43,017 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 [2021-11-23 02:57:43,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:57:43,128 INFO L225 Difference]: With dead ends: 29227 [2021-11-23 02:57:43,128 INFO L226 Difference]: Without dead ends: 29225 [2021-11-23 02:57:43,140 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 [2021-11-23 02:57:43,141 INFO L933 BasicCegarLoop]: 8086 mSDtfsCounter, 6963 mSDsluCounter, 15875 mSDsCounter, 0 mSdLazyCounter, 2410 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6965 SdHoareTripleChecker+Valid, 22366 SdHoareTripleChecker+Invalid, 2417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2410 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.6s IncrementalHoareTripleChecker+Time [2021-11-23 02:57:43,141 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6965 Valid, 22366 Invalid, 2417 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2410 Invalid, 6 Unknown, 0 Unchecked, 33.6s Time] [2021-11-23 02:57:43,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29225 states. [2021-11-23 02:57:44,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29225 to 29109. [2021-11-23 02:57:44,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29109 states, 16928 states have (on average 1.285444234404537) internal successors, (21760), 17581 states have internal predecessors, (21760), 10411 states have call successors, (10411), 1744 states have call predecessors, (10411), 1742 states have return successors, (10421), 10199 states have call predecessors, (10421), 10402 states have call successors, (10421) [2021-11-23 02:57:45,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29109 states to 29109 states and 42592 transitions. [2021-11-23 02:57:45,093 INFO L78 Accepts]: Start accepts. Automaton has 29109 states and 42592 transitions. Word has length 85 [2021-11-23 02:57:45,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:57:45,100 INFO L470 AbstractCegarLoop]: Abstraction has 29109 states and 42592 transitions. [2021-11-23 02:57:45,101 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) [2021-11-23 02:57:45,101 INFO L276 IsEmpty]: Start isEmpty. Operand 29109 states and 42592 transitions. [2021-11-23 02:57:45,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-23 02:57:45,104 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:57:45,104 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 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] [2021-11-23 02:57:45,104 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-23 02:57:45,105 INFO L402 AbstractCegarLoop]: === Iteration 11 === 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 26 more)] === [2021-11-23 02:57:45,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:57:45,105 INFO L85 PathProgramCache]: Analyzing trace with hash -764022135, now seen corresponding path program 1 times [2021-11-23 02:57:45,106 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:57:45,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156953553] [2021-11-23 02:57:45,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:57:45,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:57:45,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:57:45,773 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-11-23 02:57:45,773 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:57:45,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156953553] [2021-11-23 02:57:45,773 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156953553] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 02:57:45,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1590008059] [2021-11-23 02:57:45,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:57:45,774 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:57:45,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:57:45,780 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:57:45,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 02:57:49,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:57:49,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 8592 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 02:57:49,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:57:50,258 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 02:57:50,259 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:57:50,259 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1590008059] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:57:50,259 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-23 02:57:50,259 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2021-11-23 02:57:50,260 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25282287] [2021-11-23 02:57:50,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:57:50,261 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:57:50,261 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:57:50,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:57:50,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-11-23 02:57:50,262 INFO L87 Difference]: Start difference. First operand 29109 states and 42592 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-23 02:57:53,492 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:57:57,823 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:58:00,874 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:58:03,085 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:58:04,640 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:58:09,082 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:58:12,803 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 02:58:14,746 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:58:16,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:58:16,302 INFO L93 Difference]: Finished difference Result 63268 states and 92211 transitions. [2021-11-23 02:58:16,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:58:16,303 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 95 [2021-11-23 02:58:16,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:58:16,458 INFO L225 Difference]: With dead ends: 63268 [2021-11-23 02:58:16,458 INFO L226 Difference]: Without dead ends: 34180 [2021-11-23 02:58:16,561 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-11-23 02:58:16,562 INFO L933 BasicCegarLoop]: 7641 mSDtfsCounter, 6432 mSDsluCounter, 6300 mSDsCounter, 0 mSdLazyCounter, 1489 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6433 SdHoareTripleChecker+Valid, 13244 SdHoareTripleChecker+Invalid, 1494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1489 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.2s IncrementalHoareTripleChecker+Time [2021-11-23 02:58:16,563 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6433 Valid, 13244 Invalid, 1494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1489 Invalid, 4 Unknown, 0 Unchecked, 24.2s Time] [2021-11-23 02:58:16,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34180 states. [2021-11-23 02:58:18,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34180 to 34111. [2021-11-23 02:58:18,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34111 states, 19775 states have (on average 1.279039190897598) internal successors, (25293), 20523 states have internal predecessors, (25293), 12142 states have call successors, (12142), 2171 states have call predecessors, (12142), 2166 states have return successors, (12151), 11910 states have call predecessors, (12151), 12130 states have call successors, (12151) [2021-11-23 02:58:18,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34111 states to 34111 states and 49586 transitions. [2021-11-23 02:58:18,937 INFO L78 Accepts]: Start accepts. Automaton has 34111 states and 49586 transitions. Word has length 95 [2021-11-23 02:58:18,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:58:18,943 INFO L470 AbstractCegarLoop]: Abstraction has 34111 states and 49586 transitions. [2021-11-23 02:58:18,943 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-23 02:58:18,943 INFO L276 IsEmpty]: Start isEmpty. Operand 34111 states and 49586 transitions. [2021-11-23 02:58:18,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-23 02:58:18,948 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:58:18,948 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] [2021-11-23 02:58:19,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 02:58:19,164 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f31f2f15-9745-4232-a5a9-ee06ab602108/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-11-23 02:58:19,165 INFO L402 AbstractCegarLoop]: === Iteration 12 === 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 26 more)] === [2021-11-23 02:58:19,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:58:19,166 INFO L85 PathProgramCache]: Analyzing trace with hash -921810780, now seen corresponding path program 1 times [2021-11-23 02:58:19,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:58:19,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108279947] [2021-11-23 02:58:19,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:58:19,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:58:19,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:58:20,094 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 02:58:20,094 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:58:20,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108279947] [2021-11-23 02:58:20,095 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108279947] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:58:20,095 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:58:20,095 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 02:58:20,095 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817232561] [2021-11-23 02:58:20,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:58:20,096 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:58:20,096 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:58:20,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:58:20,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:58:20,097 INFO L87 Difference]: Start difference. First operand 34111 states and 49586 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) [2021-11-23 02:58:22,474 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:58:25,681 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:58:33,831 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:58:36,754 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:58:38,946 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:58:41,973 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:58:44,195 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:58:45,400 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:58:46,487 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:58:48,820 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:58:53,702 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 02:58:56,842 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 [] [2021-11-23 02:58:59,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:58:59,571 INFO L93 Difference]: Finished difference Result 34259 states and 49740 transitions. [2021-11-23 02:58:59,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 02:58:59,572 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 [2021-11-23 02:58:59,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:58:59,698 INFO L225 Difference]: With dead ends: 34259 [2021-11-23 02:58:59,698 INFO L226 Difference]: Without dead ends: 34257 [2021-11-23 02:58:59,712 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 [2021-11-23 02:58:59,713 INFO L933 BasicCegarLoop]: 7938 mSDtfsCounter, 6935 mSDsluCounter, 15698 mSDsCounter, 0 mSdLazyCounter, 2354 mSolverCounterSat, 1 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6939 SdHoareTripleChecker+Valid, 22070 SdHoareTripleChecker+Invalid, 2363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2354 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:58:59,714 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6939 Valid, 22070 Invalid, 2363 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2354 Invalid, 8 Unknown, 0 Unchecked, 38.0s Time] [2021-11-23 02:58:59,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34257 states. [2021-11-23 02:59:01,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34257 to 34148. [2021-11-23 02:59:01,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34148 states, 19796 states have (on average 1.2788947262073147) internal successors, (25317), 20545 states have internal predecessors, (25317), 12150 states have call successors, (12150), 2178 states have call predecessors, (12150), 2174 states have return successors, (12161), 11919 states have call predecessors, (12161), 12138 states have call successors, (12161) [2021-11-23 02:59:02,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34148 states to 34148 states and 49628 transitions. [2021-11-23 02:59:02,059 INFO L78 Accepts]: Start accepts. Automaton has 34148 states and 49628 transitions. Word has length 90 [2021-11-23 02:59:02,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:59:02,059 INFO L470 AbstractCegarLoop]: Abstraction has 34148 states and 49628 transitions. [2021-11-23 02:59:02,060 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) [2021-11-23 02:59:02,060 INFO L276 IsEmpty]: Start isEmpty. Operand 34148 states and 49628 transitions. [2021-11-23 02:59:02,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-23 02:59:02,063 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:59:02,063 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:59:02,063 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-23 02:59:02,063 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-23 02:59:02,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:59:02,064 INFO L85 PathProgramCache]: Analyzing trace with hash 1503099061, now seen corresponding path program 1 times [2021-11-23 02:59:02,064 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:59:02,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553090063] [2021-11-23 02:59:02,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:59:02,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:59:02,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:59:02,955 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-23 02:59:02,956 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:59:02,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553090063] [2021-11-23 02:59:02,956 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553090063] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:59:02,956 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:59:02,956 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 02:59:02,957 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557131830] [2021-11-23 02:59:02,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:59:02,957 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 02:59:02,957 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:59:02,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 02:59:02,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:59:02,958 INFO L87 Difference]: Start difference. First operand 34148 states and 49628 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-23 02:59:08,477 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 [] [2021-11-23 02:59:17,777 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:59:20,902 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:59:23,186 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:59:24,614 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:59:26,351 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:59:28,610 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:59:35,479 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 02:59:38,878 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:59:41,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:59:41,214 INFO L93 Difference]: Finished difference Result 48355 states and 70225 transitions. [2021-11-23 02:59:41,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 02:59:41,214 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 102 [2021-11-23 02:59:41,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:59:41,580 INFO L225 Difference]: With dead ends: 48355 [2021-11-23 02:59:41,580 INFO L226 Difference]: Without dead ends: 48353 [2021-11-23 02:59:41,595 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-23 02:59:41,596 INFO L933 BasicCegarLoop]: 7920 mSDtfsCounter, 6900 mSDsluCounter, 24279 mSDsCounter, 0 mSdLazyCounter, 3158 mSolverCounterSat, 3 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6910 SdHoareTripleChecker+Valid, 29847 SdHoareTripleChecker+Invalid, 3167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 3158 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.3s IncrementalHoareTripleChecker+Time [2021-11-23 02:59:41,597 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6910 Valid, 29847 Invalid, 3167 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 3158 Invalid, 6 Unknown, 0 Unchecked, 36.3s Time] [2021-11-23 02:59:41,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48353 states. [2021-11-23 02:59:44,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48353 to 47987. [2021-11-23 02:59:44,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47987 states, 27850 states have (on average 1.281508078994614) internal successors, (35690), 28930 states have internal predecessors, (35690), 17052 states have call successors, (17052), 3074 states have call predecessors, (17052), 3057 states have return successors, (17074), 16680 states have call predecessors, (17074), 17038 states have call successors, (17074) [2021-11-23 02:59:44,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47987 states to 47987 states and 69816 transitions. [2021-11-23 02:59:44,807 INFO L78 Accepts]: Start accepts. Automaton has 47987 states and 69816 transitions. Word has length 102 [2021-11-23 02:59:44,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:59:44,807 INFO L470 AbstractCegarLoop]: Abstraction has 47987 states and 69816 transitions. [2021-11-23 02:59:44,807 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-23 02:59:44,808 INFO L276 IsEmpty]: Start isEmpty. Operand 47987 states and 69816 transitions. [2021-11-23 02:59:44,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-23 02:59:44,810 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:59:44,810 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] [2021-11-23 02:59:44,810 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-23 02:59:44,810 INFO L402 AbstractCegarLoop]: === Iteration 14 === 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 26 more)] === [2021-11-23 02:59:44,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:59:44,811 INFO L85 PathProgramCache]: Analyzing trace with hash -282353905, now seen corresponding path program 1 times [2021-11-23 02:59:44,811 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:59:44,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631488299] [2021-11-23 02:59:44,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:59:44,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:59:45,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:59:45,639 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 02:59:45,639 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:59:45,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631488299] [2021-11-23 02:59:45,640 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631488299] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:59:45,640 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:59:45,640 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 02:59:45,640 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727484387] [2021-11-23 02:59:45,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:59:45,642 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:59:45,642 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:59:45,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:59:45,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:59:45,643 INFO L87 Difference]: Start difference. First operand 47987 states and 69816 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) [2021-11-23 02:59:49,104 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:59:51,146 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:59:55,746 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:00:00,093 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:00:02,760 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:00:04,934 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:00:07,557 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:00:11,540 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:00:19,069 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 03:00:22,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:00:22,841 INFO L93 Difference]: Finished difference Result 48102 states and 69931 transitions. [2021-11-23 03:00:22,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 03:00:22,842 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 95 [2021-11-23 03:00:22,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:00:23,052 INFO L225 Difference]: With dead ends: 48102 [2021-11-23 03:00:23,052 INFO L226 Difference]: Without dead ends: 48100 [2021-11-23 03:00:23,071 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 [2021-11-23 03:00:23,071 INFO L933 BasicCegarLoop]: 8025 mSDtfsCounter, 6960 mSDsluCounter, 15804 mSDsCounter, 0 mSdLazyCounter, 2389 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6964 SdHoareTripleChecker+Valid, 22244 SdHoareTripleChecker+Invalid, 2396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2389 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.2s IncrementalHoareTripleChecker+Time [2021-11-23 03:00:23,072 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6964 Valid, 22244 Invalid, 2396 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2389 Invalid, 6 Unknown, 0 Unchecked, 35.2s Time] [2021-11-23 03:00:23,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48100 states. [2021-11-23 03:00:26,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48100 to 47998. [2021-11-23 03:00:26,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47998 states, 27856 states have (on average 1.2814833429063757) internal successors, (35697), 28936 states have internal predecessors, (35697), 17055 states have call successors, (17055), 3076 states have call predecessors, (17055), 3059 states have return successors, (17077), 16683 states have call predecessors, (17077), 17041 states have call successors, (17077) [2021-11-23 03:00:26,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47998 states to 47998 states and 69829 transitions. [2021-11-23 03:00:26,710 INFO L78 Accepts]: Start accepts. Automaton has 47998 states and 69829 transitions. Word has length 95 [2021-11-23 03:00:26,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:00:26,711 INFO L470 AbstractCegarLoop]: Abstraction has 47998 states and 69829 transitions. [2021-11-23 03:00:26,711 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-23 03:00:26,712 INFO L276 IsEmpty]: Start isEmpty. Operand 47998 states and 69829 transitions. [2021-11-23 03:00:26,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-23 03:00:26,716 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:00:26,716 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, 1, 1, 1, 1, 1] [2021-11-23 03:00:26,716 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-23 03:00:26,716 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-23 03:00:26,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:00:26,717 INFO L85 PathProgramCache]: Analyzing trace with hash -1926793658, now seen corresponding path program 1 times [2021-11-23 03:00:26,717 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:00:26,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343221798] [2021-11-23 03:00:26,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:00:26,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:00:26,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:00:27,414 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 03:00:27,414 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:00:27,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343221798] [2021-11-23 03:00:27,415 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343221798] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:00:27,415 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:00:27,415 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 03:00:27,415 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340485619] [2021-11-23 03:00:27,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:00:27,416 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:00:27,416 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:00:27,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:00:27,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:00:27,417 INFO L87 Difference]: Start difference. First operand 47998 states and 69829 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-23 03:00:31,548 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 [] [2021-11-23 03:00:39,114 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:00:42,901 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:00:45,943 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:00:48,334 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:00:54,081 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:00:58,629 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 03:01:02,573 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 03:01:03,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:01:03,339 INFO L93 Difference]: Finished difference Result 50952 states and 73965 transitions. [2021-11-23 03:01:03,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 03:01:03,340 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 100 [2021-11-23 03:01:03,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:01:03,527 INFO L225 Difference]: With dead ends: 50952 [2021-11-23 03:01:03,528 INFO L226 Difference]: Without dead ends: 50950 [2021-11-23 03:01:03,546 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 [2021-11-23 03:01:03,547 INFO L933 BasicCegarLoop]: 8001 mSDtfsCounter, 6914 mSDsluCounter, 15765 mSDsCounter, 0 mSdLazyCounter, 2367 mSolverCounterSat, 1 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6922 SdHoareTripleChecker+Valid, 22196 SdHoareTripleChecker+Invalid, 2375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2367 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.9s IncrementalHoareTripleChecker+Time [2021-11-23 03:01:03,547 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6922 Valid, 22196 Invalid, 2375 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2367 Invalid, 7 Unknown, 0 Unchecked, 33.9s Time] [2021-11-23 03:01:03,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50950 states. [2021-11-23 03:01:06,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50950 to 50849. [2021-11-23 03:01:06,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50849 states, 29461 states have (on average 1.2788771596347714) internal successors, (37677), 30585 states have internal predecessors, (37677), 18084 states have call successors, (18084), 3292 states have call predecessors, (18084), 3276 states have return successors, (18100), 17705 states have call predecessors, (18100), 18067 states have call successors, (18100) [2021-11-23 03:01:06,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50849 states to 50849 states and 73861 transitions. [2021-11-23 03:01:06,988 INFO L78 Accepts]: Start accepts. Automaton has 50849 states and 73861 transitions. Word has length 100 [2021-11-23 03:01:06,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:01:06,989 INFO L470 AbstractCegarLoop]: Abstraction has 50849 states and 73861 transitions. [2021-11-23 03:01:06,989 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-23 03:01:06,989 INFO L276 IsEmpty]: Start isEmpty. Operand 50849 states and 73861 transitions. [2021-11-23 03:01:06,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-23 03:01:06,992 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:01:06,992 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:01:06,992 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-23 03:01:06,993 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-23 03:01:06,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:01:06,993 INFO L85 PathProgramCache]: Analyzing trace with hash 936529451, now seen corresponding path program 1 times [2021-11-23 03:01:06,994 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:01:06,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254337445] [2021-11-23 03:01:06,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:01:06,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:01:07,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:01:07,771 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 03:01:07,771 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:01:07,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254337445] [2021-11-23 03:01:07,772 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254337445] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:01:07,772 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:01:07,772 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 03:01:07,772 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939402466] [2021-11-23 03:01:07,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:01:07,773 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:01:07,773 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:01:07,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:01:07,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:01:07,774 INFO L87 Difference]: Start difference. First operand 50849 states and 73861 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-23 03:01:11,967 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:01:17,402 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:01:21,014 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:01:24,978 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:01:26,493 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:01:28,758 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:01:36,010 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:01:38,737 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:01:42,077 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 03:01:43,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:01:43,423 INFO L93 Difference]: Finished difference Result 50951 states and 73961 transitions. [2021-11-23 03:01:43,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 03:01:43,424 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 105 [2021-11-23 03:01:43,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:01:43,616 INFO L225 Difference]: With dead ends: 50951 [2021-11-23 03:01:43,616 INFO L226 Difference]: Without dead ends: 50949 [2021-11-23 03:01:43,636 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 [2021-11-23 03:01:43,636 INFO L933 BasicCegarLoop]: 7943 mSDtfsCounter, 6956 mSDsluCounter, 15705 mSDsCounter, 0 mSdLazyCounter, 2358 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6960 SdHoareTripleChecker+Valid, 22080 SdHoareTripleChecker+Invalid, 2365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2358 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.6s IncrementalHoareTripleChecker+Time [2021-11-23 03:01:43,637 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6960 Valid, 22080 Invalid, 2365 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2358 Invalid, 6 Unknown, 0 Unchecked, 33.6s Time] [2021-11-23 03:01:43,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50949 states. [2021-11-23 03:01:47,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50949 to 50861. [2021-11-23 03:01:47,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50861 states, 29467 states have (on average 1.27885431160281) internal successors, (37684), 30591 states have internal predecessors, (37684), 18088 states have call successors, (18088), 3294 states have call predecessors, (18088), 3278 states have return successors, (18104), 17709 states have call predecessors, (18104), 18071 states have call successors, (18104) [2021-11-23 03:01:47,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50861 states to 50861 states and 73876 transitions. [2021-11-23 03:01:47,322 INFO L78 Accepts]: Start accepts. Automaton has 50861 states and 73876 transitions. Word has length 105 [2021-11-23 03:01:47,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:01:47,323 INFO L470 AbstractCegarLoop]: Abstraction has 50861 states and 73876 transitions. [2021-11-23 03:01:47,323 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-23 03:01:47,323 INFO L276 IsEmpty]: Start isEmpty. Operand 50861 states and 73876 transitions. [2021-11-23 03:01:47,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-23 03:01:47,326 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:01:47,326 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:01:47,327 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-23 03:01:47,327 INFO L402 AbstractCegarLoop]: === Iteration 17 === 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 26 more)] === [2021-11-23 03:01:47,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:01:47,327 INFO L85 PathProgramCache]: Analyzing trace with hash -162667763, now seen corresponding path program 1 times [2021-11-23 03:01:47,327 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:01:47,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029441989] [2021-11-23 03:01:47,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:01:47,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:01:47,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:01:48,353 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-23 03:01:48,353 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:01:48,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029441989] [2021-11-23 03:01:48,353 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029441989] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:01:48,353 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:01:48,353 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 03:01:48,354 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623479123] [2021-11-23 03:01:48,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:01:48,354 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 03:01:48,354 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:01:48,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 03:01:48,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:01:48,355 INFO L87 Difference]: Start difference. First operand 50861 states and 73876 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-23 03:01:52,314 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:01:59,636 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:02:01,828 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:02:05,895 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:02:08,480 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:02:11,865 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:02:13,767 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:02:17,572 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:02:20,901 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 03:02:23,185 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:02:25,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:02:25,263 INFO L93 Difference]: Finished difference Result 56724 states and 81525 transitions. [2021-11-23 03:02:25,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 03:02:25,264 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 121 [2021-11-23 03:02:25,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:02:25,477 INFO L225 Difference]: With dead ends: 56724 [2021-11-23 03:02:25,477 INFO L226 Difference]: Without dead ends: 56722 [2021-11-23 03:02:25,500 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-23 03:02:25,500 INFO L933 BasicCegarLoop]: 7272 mSDtfsCounter, 5910 mSDsluCounter, 21110 mSDsCounter, 0 mSdLazyCounter, 2986 mSolverCounterSat, 3 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5917 SdHoareTripleChecker+Valid, 26216 SdHoareTripleChecker+Invalid, 2994 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2986 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.6s IncrementalHoareTripleChecker+Time [2021-11-23 03:02:25,501 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5917 Valid, 26216 Invalid, 2994 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 2986 Invalid, 5 Unknown, 0 Unchecked, 34.6s Time] [2021-11-23 03:02:25,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56722 states. [2021-11-23 03:02:29,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56722 to 56476. [2021-11-23 03:02:29,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56476 states, 32691 states have (on average 1.2761004557829372) internal successors, (41717), 33990 states have internal predecessors, (41717), 19720 states have call successors, (19720), 4082 states have call predecessors, (19720), 4037 states have return successors, (19786), 19225 states have call predecessors, (19786), 19703 states have call successors, (19786) [2021-11-23 03:02:29,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56476 states to 56476 states and 81223 transitions. [2021-11-23 03:02:29,549 INFO L78 Accepts]: Start accepts. Automaton has 56476 states and 81223 transitions. Word has length 121 [2021-11-23 03:02:29,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:02:29,550 INFO L470 AbstractCegarLoop]: Abstraction has 56476 states and 81223 transitions. [2021-11-23 03:02:29,550 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-23 03:02:29,550 INFO L276 IsEmpty]: Start isEmpty. Operand 56476 states and 81223 transitions. [2021-11-23 03:02:29,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-23 03:02:29,554 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:02:29,554 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:02:29,555 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-23 03:02:29,555 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-23 03:02:29,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:02:29,556 INFO L85 PathProgramCache]: Analyzing trace with hash -1312755740, now seen corresponding path program 1 times [2021-11-23 03:02:29,556 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:02:29,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769967786] [2021-11-23 03:02:29,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:02:29,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:02:29,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:02:30,490 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 03:02:30,490 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:02:30,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769967786] [2021-11-23 03:02:30,491 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769967786] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:02:30,491 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:02:30,491 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 03:02:30,491 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537901458] [2021-11-23 03:02:30,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:02:30,493 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:02:30,493 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:02:30,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:02:30,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:02:30,494 INFO L87 Difference]: Start difference. First operand 56476 states and 81223 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-23 03:02:34,942 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:02:41,292 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:02:45,953 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:02:48,412 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 03:02:50,920 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:03:01,099 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 03:03:04,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:03:04,064 INFO L93 Difference]: Finished difference Result 56579 states and 81324 transitions. [2021-11-23 03:03:04,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 03:03:04,065 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 110 [2021-11-23 03:03:04,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:03:04,420 INFO L225 Difference]: With dead ends: 56579 [2021-11-23 03:03:04,420 INFO L226 Difference]: Without dead ends: 56577 [2021-11-23 03:03:04,439 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 [2021-11-23 03:03:04,440 INFO L933 BasicCegarLoop]: 8596 mSDtfsCounter, 6924 mSDsluCounter, 16442 mSDsCounter, 0 mSdLazyCounter, 2531 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6930 SdHoareTripleChecker+Valid, 23386 SdHoareTripleChecker+Invalid, 2537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2531 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.0s IncrementalHoareTripleChecker+Time [2021-11-23 03:03:04,440 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6930 Valid, 23386 Invalid, 2537 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2531 Invalid, 5 Unknown, 0 Unchecked, 31.0s Time] [2021-11-23 03:03:04,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56577 states. [2021-11-23 03:03:07,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56577 to 56497. [2021-11-23 03:03:07,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56497 states, 32703 states have (on average 1.2760297220438492) internal successors, (41730), 34002 states have internal predecessors, (41730), 19725 states have call successors, (19725), 4086 states have call predecessors, (19725), 4041 states have return successors, (19791), 19230 states have call predecessors, (19791), 19708 states have call successors, (19791) [2021-11-23 03:03:08,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56497 states to 56497 states and 81246 transitions. [2021-11-23 03:03:08,021 INFO L78 Accepts]: Start accepts. Automaton has 56497 states and 81246 transitions. Word has length 110 [2021-11-23 03:03:08,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:03:08,021 INFO L470 AbstractCegarLoop]: Abstraction has 56497 states and 81246 transitions. [2021-11-23 03:03:08,021 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-23 03:03:08,021 INFO L276 IsEmpty]: Start isEmpty. Operand 56497 states and 81246 transitions. [2021-11-23 03:03:08,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-23 03:03:08,025 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:03:08,025 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:03:08,025 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-23 03:03:08,025 INFO L402 AbstractCegarLoop]: === Iteration 19 === 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 26 more)] === [2021-11-23 03:03:08,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:03:08,026 INFO L85 PathProgramCache]: Analyzing trace with hash 20637658, now seen corresponding path program 1 times [2021-11-23 03:03:08,026 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:03:08,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773032884] [2021-11-23 03:03:08,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:03:08,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:03:08,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:03:08,457 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-11-23 03:03:08,457 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:03:08,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773032884] [2021-11-23 03:03:08,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773032884] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:03:08,458 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:03:08,458 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 03:03:08,458 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977967427] [2021-11-23 03:03:08,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:03:08,459 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 03:03:08,460 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:03:08,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 03:03:08,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:03:08,461 INFO L87 Difference]: Start difference. First operand 56497 states and 81246 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (27), 3 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-23 03:03:16,886 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 []