./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/bin/utaipan-eEHZpOm5b7/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_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e65ce0ca1630c9676f80f28ff5aee772276e1a4ab72beeeb2195c791073f2dc7 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:44:24,642 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:44:24,646 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:44:24,704 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:44:24,705 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:44:24,710 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:44:24,713 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:44:24,719 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:44:24,722 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:44:24,730 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:44:24,732 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:44:24,734 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:44:24,734 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:44:24,737 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:44:24,739 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:44:24,742 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:44:24,744 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:44:24,745 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:44:24,751 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:44:24,762 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:44:24,764 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:44:24,765 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:44:24,769 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:44:24,770 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:44:24,774 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:44:24,775 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:44:24,775 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:44:24,778 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:44:24,778 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:44:24,780 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:44:24,780 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:44:24,781 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:44:24,783 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:44:24,785 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:44:24,786 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:44:24,787 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:44:24,787 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:44:24,788 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:44:24,788 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:44:24,789 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:44:24,790 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:44:24,791 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 19:44:24,844 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:44:24,844 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:44:24,845 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:44:24,845 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:44:24,853 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:44:24,853 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:44:24,854 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:44:24,854 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:44:24,854 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:44:24,854 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 19:44:24,856 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:44:24,856 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:44:24,856 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 19:44:24,856 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 19:44:24,857 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:44:24,857 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 19:44:24,857 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 19:44:24,857 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 19:44:24,858 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:44:24,859 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 19:44:24,859 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:44:24,859 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:44:24,859 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:44:24,860 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:44:24,860 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:44:24,860 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:44:24,860 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:44:24,861 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:44:24,861 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:44:24,861 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:44:24,862 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:44:24,862 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:44:24,862 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:44:24,863 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 19:44:24,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 19:44:24,863 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:44:24,863 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:44:24,864 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:44:24,864 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_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/bin/utaipan-eEHZpOm5b7/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e65ce0ca1630c9676f80f28ff5aee772276e1a4ab72beeeb2195c791073f2dc7 [2021-11-25 19:44:25,134 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:44:25,156 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:44:25,159 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:44:25,160 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:44:25,161 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:44:25,162 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i [2021-11-25 19:44:25,235 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/bin/utaipan-eEHZpOm5b7/data/421acdfd1/4da16f4dde784aa1a42208c75ff4ae07/FLAG0703e907d [2021-11-25 19:44:26,600 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:44:26,601 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i [2021-11-25 19:44:26,708 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/bin/utaipan-eEHZpOm5b7/data/421acdfd1/4da16f4dde784aa1a42208c75ff4ae07/FLAG0703e907d [2021-11-25 19:44:27,093 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/bin/utaipan-eEHZpOm5b7/data/421acdfd1/4da16f4dde784aa1a42208c75ff4ae07 [2021-11-25 19:44:27,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:44:27,097 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:44:27,103 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:44:27,103 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:44:27,107 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:44:27,109 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:44:27" (1/1) ... [2021-11-25 19:44:27,111 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f095c54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:44:27, skipping insertion in model container [2021-11-25 19:44:27,111 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:44:27" (1/1) ... [2021-11-25 19:44:27,153 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:44:27,446 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:44:43,191 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[969751,969764] [2021-11-25 19:44:43,195 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[969896,969909] [2021-11-25 19:44:43,196 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[970042,970055] [2021-11-25 19:44:43,196 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[970207,970220] [2021-11-25 19:44:43,197 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[970365,970378] [2021-11-25 19:44:43,197 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[970523,970536] [2021-11-25 19:44:43,198 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[970681,970694] [2021-11-25 19:44:43,199 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[970841,970854] [2021-11-25 19:44:43,199 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971000,971013] [2021-11-25 19:44:43,200 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971139,971152] [2021-11-25 19:44:43,201 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971281,971294] [2021-11-25 19:44:43,201 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971430,971443] [2021-11-25 19:44:43,202 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971569,971582] [2021-11-25 19:44:43,233 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971724,971737] [2021-11-25 19:44:43,234 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971884,971897] [2021-11-25 19:44:43,235 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972035,972048] [2021-11-25 19:44:43,235 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972186,972199] [2021-11-25 19:44:43,235 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972338,972351] [2021-11-25 19:44:43,236 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972487,972500] [2021-11-25 19:44:43,236 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972635,972648] [2021-11-25 19:44:43,237 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972792,972805] [2021-11-25 19:44:43,237 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972941,972954] [2021-11-25 19:44:43,238 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973097,973110] [2021-11-25 19:44:43,238 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973250,973263] [2021-11-25 19:44:43,239 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973396,973409] [2021-11-25 19:44:43,239 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973539,973552] [2021-11-25 19:44:43,239 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973691,973704] [2021-11-25 19:44:43,240 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973837,973850] [2021-11-25 19:44:43,240 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973982,973995] [2021-11-25 19:44:43,241 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[974136,974149] [2021-11-25 19:44:43,241 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[974287,974300] [2021-11-25 19:44:43,242 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[974442,974455] [2021-11-25 19:44:43,242 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[974594,974607] [2021-11-25 19:44:43,243 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[974749,974762] [2021-11-25 19:44:43,243 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[974913,974926] [2021-11-25 19:44:43,243 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[975069,975082] [2021-11-25 19:44:43,245 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[975233,975246] [2021-11-25 19:44:43,245 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[975375,975388] [2021-11-25 19:44:43,246 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[975533,975546] [2021-11-25 19:44:43,246 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[975700,975713] [2021-11-25 19:44:43,247 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[975859,975872] [2021-11-25 19:44:43,247 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976018,976031] [2021-11-25 19:44:43,248 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976167,976180] [2021-11-25 19:44:43,248 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976314,976327] [2021-11-25 19:44:43,249 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976453,976466] [2021-11-25 19:44:43,249 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976616,976629] [2021-11-25 19:44:43,250 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976782,976795] [2021-11-25 19:44:43,250 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976946,976959] [2021-11-25 19:44:43,251 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[977111,977124] [2021-11-25 19:44:43,251 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[977276,977289] [2021-11-25 19:44:43,252 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[977442,977455] [2021-11-25 19:44:43,252 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[977607,977620] [2021-11-25 19:44:43,253 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[977774,977787] [2021-11-25 19:44:43,253 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[977934,977947] [2021-11-25 19:44:43,254 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978096,978109] [2021-11-25 19:44:43,254 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978255,978268] [2021-11-25 19:44:43,255 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978401,978414] [2021-11-25 19:44:43,255 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978544,978557] [2021-11-25 19:44:43,256 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978688,978701] [2021-11-25 19:44:43,256 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978831,978844] [2021-11-25 19:44:43,257 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978975,978988] [2021-11-25 19:44:43,257 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[979116,979129] [2021-11-25 19:44:43,258 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[979254,979267] [2021-11-25 19:44:43,258 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[979412,979425] [2021-11-25 19:44:43,259 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[979571,979584] [2021-11-25 19:44:43,259 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[979727,979740] [2021-11-25 19:44:43,260 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[979876,979889] [2021-11-25 19:44:43,260 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980028,980041] [2021-11-25 19:44:43,261 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980179,980192] [2021-11-25 19:44:43,262 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980328,980341] [2021-11-25 19:44:43,262 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980480,980493] [2021-11-25 19:44:43,263 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980628,980641] [2021-11-25 19:44:43,263 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980781,980794] [2021-11-25 19:44:43,264 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980932,980945] [2021-11-25 19:44:43,264 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[981082,981095] [2021-11-25 19:44:43,265 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[981229,981242] [2021-11-25 19:44:43,265 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[981380,981393] [2021-11-25 19:44:43,265 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[981531,981544] [2021-11-25 19:44:43,266 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[981679,981692] [2021-11-25 19:44:43,266 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[981845,981858] [2021-11-25 19:44:43,267 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982014,982027] [2021-11-25 19:44:43,267 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982181,982194] [2021-11-25 19:44:43,268 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982349,982362] [2021-11-25 19:44:43,268 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982499,982512] [2021-11-25 19:44:43,269 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982646,982659] [2021-11-25 19:44:43,269 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982807,982820] [2021-11-25 19:44:43,270 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982977,982990] [2021-11-25 19:44:43,270 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[983139,983152] [2021-11-25 19:44:43,323 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:44:43,363 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 19:44:44,459 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[969751,969764] [2021-11-25 19:44:44,460 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[969896,969909] [2021-11-25 19:44:44,461 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[970042,970055] [2021-11-25 19:44:44,461 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[970207,970220] [2021-11-25 19:44:44,462 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[970365,970378] [2021-11-25 19:44:44,462 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[970523,970536] [2021-11-25 19:44:44,463 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[970681,970694] [2021-11-25 19:44:44,463 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[970841,970854] [2021-11-25 19:44:44,464 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971000,971013] [2021-11-25 19:44:44,464 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971139,971152] [2021-11-25 19:44:44,466 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971281,971294] [2021-11-25 19:44:44,466 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971430,971443] [2021-11-25 19:44:44,467 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971569,971582] [2021-11-25 19:44:44,467 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971724,971737] [2021-11-25 19:44:44,467 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971884,971897] [2021-11-25 19:44:44,468 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972035,972048] [2021-11-25 19:44:44,468 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972186,972199] [2021-11-25 19:44:44,469 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972338,972351] [2021-11-25 19:44:44,469 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972487,972500] [2021-11-25 19:44:44,470 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972635,972648] [2021-11-25 19:44:44,470 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972792,972805] [2021-11-25 19:44:44,470 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972941,972954] [2021-11-25 19:44:44,471 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973097,973110] [2021-11-25 19:44:44,472 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973250,973263] [2021-11-25 19:44:44,473 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973396,973409] [2021-11-25 19:44:44,473 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973539,973552] [2021-11-25 19:44:44,473 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973691,973704] [2021-11-25 19:44:44,474 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973837,973850] [2021-11-25 19:44:44,475 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973982,973995] [2021-11-25 19:44:44,475 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[974136,974149] [2021-11-25 19:44:44,475 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[974287,974300] [2021-11-25 19:44:44,476 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[974442,974455] [2021-11-25 19:44:44,476 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[974594,974607] [2021-11-25 19:44:44,477 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[974749,974762] [2021-11-25 19:44:44,478 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[974913,974926] [2021-11-25 19:44:44,478 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[975069,975082] [2021-11-25 19:44:44,479 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[975233,975246] [2021-11-25 19:44:44,480 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[975375,975388] [2021-11-25 19:44:44,480 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[975533,975546] [2021-11-25 19:44:44,481 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[975700,975713] [2021-11-25 19:44:44,482 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[975859,975872] [2021-11-25 19:44:44,483 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976018,976031] [2021-11-25 19:44:44,483 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976167,976180] [2021-11-25 19:44:44,484 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976314,976327] [2021-11-25 19:44:44,484 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976453,976466] [2021-11-25 19:44:44,485 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976616,976629] [2021-11-25 19:44:44,485 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976782,976795] [2021-11-25 19:44:44,486 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976946,976959] [2021-11-25 19:44:44,486 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[977111,977124] [2021-11-25 19:44:44,487 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[977276,977289] [2021-11-25 19:44:44,488 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[977442,977455] [2021-11-25 19:44:44,488 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[977607,977620] [2021-11-25 19:44:44,489 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[977774,977787] [2021-11-25 19:44:44,489 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[977934,977947] [2021-11-25 19:44:44,491 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978096,978109] [2021-11-25 19:44:44,492 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978255,978268] [2021-11-25 19:44:44,496 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978401,978414] [2021-11-25 19:44:44,497 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978544,978557] [2021-11-25 19:44:44,497 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978688,978701] [2021-11-25 19:44:44,498 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978831,978844] [2021-11-25 19:44:44,498 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978975,978988] [2021-11-25 19:44:44,500 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[979116,979129] [2021-11-25 19:44:44,501 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[979254,979267] [2021-11-25 19:44:44,506 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[979412,979425] [2021-11-25 19:44:44,507 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[979571,979584] [2021-11-25 19:44:44,511 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[979727,979740] [2021-11-25 19:44:44,512 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[979876,979889] [2021-11-25 19:44:44,512 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980028,980041] [2021-11-25 19:44:44,513 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980179,980192] [2021-11-25 19:44:44,513 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980328,980341] [2021-11-25 19:44:44,513 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980480,980493] [2021-11-25 19:44:44,514 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980628,980641] [2021-11-25 19:44:44,514 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980781,980794] [2021-11-25 19:44:44,515 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980932,980945] [2021-11-25 19:44:44,515 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[981082,981095] [2021-11-25 19:44:44,515 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[981229,981242] [2021-11-25 19:44:44,516 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[981380,981393] [2021-11-25 19:44:44,516 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[981531,981544] [2021-11-25 19:44:44,518 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[981679,981692] [2021-11-25 19:44:44,518 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[981845,981858] [2021-11-25 19:44:44,519 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982014,982027] [2021-11-25 19:44:44,520 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982181,982194] [2021-11-25 19:44:44,520 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982349,982362] [2021-11-25 19:44:44,521 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982499,982512] [2021-11-25 19:44:44,521 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982646,982659] [2021-11-25 19:44:44,522 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982807,982820] [2021-11-25 19:44:44,522 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982977,982990] [2021-11-25 19:44:44,523 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[983139,983152] [2021-11-25 19:44:44,535 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:44:45,104 INFO L208 MainTranslator]: Completed translation [2021-11-25 19:44:45,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:44:45 WrapperNode [2021-11-25 19:44:45,105 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:44:45,120 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 19:44:45,120 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 19:44:45,121 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 19:44:45,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:44:45" (1/1) ... [2021-11-25 19:44:45,487 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:44:45" (1/1) ... [2021-11-25 19:44:46,351 INFO L137 Inliner]: procedures = 1073, calls = 9645, calls flagged for inlining = 511, calls inlined = 406, statements flattened = 20860 [2021-11-25 19:44:46,352 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 19:44:46,353 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 19:44:46,353 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 19:44:46,353 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 19:44:46,363 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:44:45" (1/1) ... [2021-11-25 19:44:46,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:44:45" (1/1) ... [2021-11-25 19:44:46,499 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:44:45" (1/1) ... [2021-11-25 19:44:46,500 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:44:45" (1/1) ... [2021-11-25 19:44:47,039 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:44:45" (1/1) ... [2021-11-25 19:44:47,259 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:44:45" (1/1) ... [2021-11-25 19:44:47,457 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:44:45" (1/1) ... [2021-11-25 19:44:47,650 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 19:44:47,652 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 19:44:47,652 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 19:44:47,652 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 19:44:47,653 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:44:45" (1/1) ... [2021-11-25 19:44:47,680 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:44:47,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:44:47,705 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 19:44:47,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 19:44:47,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_122 [2021-11-25 19:44:47,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_122 [2021-11-25 19:44:47,801 INFO L130 BoogieDeclarations]: Found specification of procedure free_io_sgl_handle [2021-11-25 19:44:47,801 INFO L138 BoogieDeclarations]: Found implementation of procedure free_io_sgl_handle [2021-11-25 19:44:47,801 INFO L130 BoogieDeclarations]: Found specification of procedure be_mbox_notify_wait [2021-11-25 19:44:47,801 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mbox_notify_wait [2021-11-25 19:44:47,801 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-11-25 19:44:47,801 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-11-25 19:44:47,801 INFO L130 BoogieDeclarations]: Found specification of procedure amap_get [2021-11-25 19:44:47,801 INFO L138 BoogieDeclarations]: Found implementation of procedure amap_get [2021-11-25 19:44:47,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-25 19:44:47,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-25 19:44:47,802 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-11-25 19:44:47,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-11-25 19:44:47,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-25 19:44:47,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-25 19:44:47,802 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_mcc_tag [2021-11-25 19:44:47,803 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_mcc_tag [2021-11-25 19:44:47,803 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-25 19:44:47,803 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-25 19:44:47,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_159 [2021-11-25 19:44:47,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_159 [2021-11-25 19:44:47,803 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-11-25 19:44:47,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-11-25 19:44:47,803 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2021-11-25 19:44:47,803 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2021-11-25 19:44:47,804 INFO L130 BoogieDeclarations]: Found specification of procedure swap_dws [2021-11-25 19:44:47,804 INFO L138 BoogieDeclarations]: Found implementation of procedure swap_dws [2021-11-25 19:44:47,804 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-25 19:44:47,804 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-25 19:44:47,804 INFO L130 BoogieDeclarations]: Found specification of procedure free_mcc_tag [2021-11-25 19:44:47,804 INFO L138 BoogieDeclarations]: Found implementation of procedure free_mcc_tag [2021-11-25 19:44:47,804 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_enable_intr [2021-11-25 19:44:47,805 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_enable_intr [2021-11-25 19:44:47,805 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_free_mem [2021-11-25 19:44:47,805 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_free_mem [2021-11-25 19:44:47,805 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_get_async_busy_list [2021-11-25 19:44:47,805 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_get_async_busy_list [2021-11-25 19:44:47,805 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-25 19:44:47,805 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-25 19:44:47,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-25 19:44:47,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-25 19:44:47,806 INFO L130 BoogieDeclarations]: Found specification of procedure __rounddown_pow_of_two [2021-11-25 19:44:47,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __rounddown_pow_of_two [2021-11-25 19:44:47,806 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-25 19:44:47,806 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-25 19:44:47,806 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-25 19:44:47,806 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-25 19:44:47,806 INFO L130 BoogieDeclarations]: Found specification of procedure be_queue_free [2021-11-25 19:44:47,807 INFO L138 BoogieDeclarations]: Found implementation of procedure be_queue_free [2021-11-25 19:44:47,807 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-11-25 19:44:47,807 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-11-25 19:44:47,807 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-25 19:44:47,807 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-25 19:44:47,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-25 19:44:47,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-25 19:44:47,807 INFO L130 BoogieDeclarations]: Found specification of procedure index_inc [2021-11-25 19:44:47,808 INFO L138 BoogieDeclarations]: Found implementation of procedure index_inc [2021-11-25 19:44:47,808 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_mgmt_sgl_handle [2021-11-25 19:44:47,808 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_mgmt_sgl_handle [2021-11-25 19:44:47,808 INFO L130 BoogieDeclarations]: Found specification of procedure be_wrb_hdr_prepare [2021-11-25 19:44:47,808 INFO L138 BoogieDeclarations]: Found implementation of procedure be_wrb_hdr_prepare [2021-11-25 19:44:47,808 INFO L130 BoogieDeclarations]: Found specification of procedure pci_zalloc_consistent [2021-11-25 19:44:47,808 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_zalloc_consistent [2021-11-25 19:44:47,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-25 19:44:47,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-25 19:44:47,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 19:44:47,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-25 19:44:47,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-25 19:44:47,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_mgmt_sgl_lock_of_beiscsi_hba [2021-11-25 19:44:47,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_mgmt_sgl_lock_of_beiscsi_hba [2021-11-25 19:44:47,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-25 19:44:47,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-25 19:44:47,810 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_set_static_ip [2021-11-25 19:44:47,810 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_set_static_ip [2021-11-25 19:44:47,810 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-25 19:44:47,810 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-25 19:44:47,810 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2021-11-25 19:44:47,810 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2021-11-25 19:44:47,810 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-25 19:44:47,810 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-25 19:44:47,810 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-25 19:44:47,811 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-25 19:44:47,811 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2021-11-25 19:44:47,811 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2021-11-25 19:44:47,811 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_target [2021-11-25 19:44:47,811 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_target [2021-11-25 19:44:47,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-25 19:44:47,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-25 19:44:47,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_check_return_value_probe [2021-11-25 19:44:47,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_check_return_value_probe [2021-11-25 19:44:47,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 19:44:47,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-11-25 19:44:47,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2021-11-25 19:44:47,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_check_return_value_probe [2021-11-25 19:44:47,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_check_return_value_probe [2021-11-25 19:44:47,817 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-25 19:44:47,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-25 19:44:47,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 19:44:47,818 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_task_xmit [2021-11-25 19:44:47,818 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_task_xmit [2021-11-25 19:44:47,818 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_conn_start [2021-11-25 19:44:47,818 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_conn_start [2021-11-25 19:44:47,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-25 19:44:47,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-25 19:44:47,818 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-25 19:44:47,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-25 19:44:47,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_166 [2021-11-25 19:44:47,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_166 [2021-11-25 19:44:47,819 INFO L130 BoogieDeclarations]: Found specification of procedure fls_long [2021-11-25 19:44:47,819 INFO L138 BoogieDeclarations]: Found implementation of procedure fls_long [2021-11-25 19:44:47,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 19:44:47,819 INFO L130 BoogieDeclarations]: Found specification of procedure nonembedded_sgl [2021-11-25 19:44:47,819 INFO L138 BoogieDeclarations]: Found implementation of procedure nonembedded_sgl [2021-11-25 19:44:47,819 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-11-25 19:44:47,820 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-11-25 19:44:47,820 INFO L130 BoogieDeclarations]: Found specification of procedure queue_tail_inc [2021-11-25 19:44:47,820 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_tail_inc [2021-11-25 19:44:47,820 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_modify_gateway [2021-11-25 19:44:47,820 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_modify_gateway [2021-11-25 19:44:47,820 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2021-11-25 19:44:47,820 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2021-11-25 19:44:47,820 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_get_all_if_id [2021-11-25 19:44:47,821 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_get_all_if_id [2021-11-25 19:44:47,821 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_clean_port [2021-11-25 19:44:47,821 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_clean_port [2021-11-25 19:44:47,821 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_cmd_cq_create [2021-11-25 19:44:47,821 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_cmd_cq_create [2021-11-25 19:44:47,821 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-25 19:44:47,821 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-25 19:44:47,821 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_host_remove [2021-11-25 19:44:47,821 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_host_remove [2021-11-25 19:44:47,822 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_log_enable_store [2021-11-25 19:44:47,822 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_log_enable_store [2021-11-25 19:44:47,822 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-11-25 19:44:47,822 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-11-25 19:44:47,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 19:44:47,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 19:44:47,822 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-25 19:44:47,822 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-25 19:44:47,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-25 19:44:47,823 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_cleanup [2021-11-25 19:44:47,823 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_cleanup [2021-11-25 19:44:47,823 INFO L130 BoogieDeclarations]: Found specification of procedure is_link_state_evt [2021-11-25 19:44:47,823 INFO L138 BoogieDeclarations]: Found implementation of procedure is_link_state_evt [2021-11-25 19:44:47,823 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-11-25 19:44:47,823 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-11-25 19:44:47,823 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_invalidate_icds [2021-11-25 19:44:47,823 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_invalidate_icds [2021-11-25 19:44:47,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-25 19:44:47,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-25 19:44:47,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_135 [2021-11-25 19:44:47,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_135 [2021-11-25 19:44:47,824 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_target_alloc [2021-11-25 19:44:47,824 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_target_alloc [2021-11-25 19:44:47,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 19:44:47,824 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 19:44:47,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2021-11-25 19:44:47,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2021-11-25 19:44:47,825 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_set_vlan [2021-11-25 19:44:47,825 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_set_vlan [2021-11-25 19:44:47,825 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_update_async_writables [2021-11-25 19:44:47,825 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_update_async_writables [2021-11-25 19:44:47,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-25 19:44:47,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-25 19:44:47,825 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-25 19:44:47,826 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-25 19:44:47,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-25 19:44:47,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-25 19:44:47,826 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-11-25 19:44:47,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-11-25 19:44:47,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-25 19:44:47,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-25 19:44:47,826 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_session_recovery_timedout [2021-11-25 19:44:47,826 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_session_recovery_timedout [2021-11-25 19:44:47,827 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_unregister_transport [2021-11-25 19:44:47,827 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_unregister_transport [2021-11-25 19:44:47,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 19:44:47,827 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-25 19:44:47,827 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-25 19:44:47,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-25 19:44:47,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-25 19:44:47,827 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_remove [2021-11-25 19:44:47,828 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_remove [2021-11-25 19:44:47,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 19:44:47,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_121 [2021-11-25 19:44:47,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_121 [2021-11-25 19:44:47,828 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_get_gateway [2021-11-25 19:44:47,828 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_get_gateway [2021-11-25 19:44:47,828 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_get_if_info [2021-11-25 19:44:47,828 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_get_if_info [2021-11-25 19:44:47,829 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_wrb_handle [2021-11-25 19:44:47,829 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_wrb_handle [2021-11-25 19:44:47,829 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2021-11-25 19:44:47,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2021-11-25 19:44:47,829 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2021-11-25 19:44:47,829 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2021-11-25 19:44:47,829 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-25 19:44:47,829 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-25 19:44:47,829 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-25 19:44:47,829 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-25 19:44:47,830 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_set_ip [2021-11-25 19:44:47,830 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_set_ip [2021-11-25 19:44:47,830 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_ring_cq_db [2021-11-25 19:44:47,830 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_ring_cq_db [2021-11-25 19:44:47,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-25 19:44:47,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-25 19:44:47,830 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_format_mac [2021-11-25 19:44:47,830 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_format_mac [2021-11-25 19:44:47,830 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-25 19:44:47,831 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-25 19:44:47,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-25 19:44:47,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-25 19:44:47,831 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_get_async_handle [2021-11-25 19:44:47,831 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_get_async_handle [2021-11-25 19:44:47,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-25 19:44:47,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-25 19:44:47,831 INFO L130 BoogieDeclarations]: Found specification of procedure be_mbox_db_ready_wait [2021-11-25 19:44:47,832 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mbox_db_ready_wait [2021-11-25 19:44:47,832 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2021-11-25 19:44:47,832 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2021-11-25 19:44:47,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 19:44:47,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-25 19:44:47,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-25 19:44:47,832 INFO L130 BoogieDeclarations]: Found specification of procedure find_num_cpus [2021-11-25 19:44:47,832 INFO L138 BoogieDeclarations]: Found implementation of procedure find_num_cpus [2021-11-25 19:44:47,832 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2021-11-25 19:44:47,832 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2021-11-25 19:44:47,833 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_ring_eq_db [2021-11-25 19:44:47,833 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_ring_eq_db [2021-11-25 19:44:47,833 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-25 19:44:47,833 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-25 19:44:47,833 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_host_free [2021-11-25 19:44:47,833 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_host_free [2021-11-25 19:44:47,833 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_create_ipv4_iface [2021-11-25 19:44:47,833 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_create_ipv4_iface [2021-11-25 19:44:47,833 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_shost [2021-11-25 19:44:47,834 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_shost [2021-11-25 19:44:47,834 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-25 19:44:47,834 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-25 19:44:47,834 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_destroy_endpoint [2021-11-25 19:44:47,834 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_destroy_endpoint [2021-11-25 19:44:47,834 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_conn_teardown [2021-11-25 19:44:47,834 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_conn_teardown [2021-11-25 19:44:47,834 INFO L130 BoogieDeclarations]: Found specification of procedure blk_iopoll_sched [2021-11-25 19:44:47,834 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_iopoll_sched [2021-11-25 19:44:47,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_121 [2021-11-25 19:44:47,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_121 [2021-11-25 19:44:47,835 INFO L130 BoogieDeclarations]: Found specification of procedure amap_mask [2021-11-25 19:44:47,835 INFO L138 BoogieDeclarations]: Found implementation of procedure amap_mask [2021-11-25 19:44:47,835 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_create_ipv6_iface [2021-11-25 19:44:47,835 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_create_ipv6_iface [2021-11-25 19:44:47,835 INFO L130 BoogieDeclarations]: Found specification of procedure be_encoded_q_len [2021-11-25 19:44:47,835 INFO L138 BoogieDeclarations]: Found implementation of procedure be_encoded_q_len [2021-11-25 19:44:47,835 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_fwd_async_msg [2021-11-25 19:44:47,835 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_fwd_async_msg [2021-11-25 19:44:47,836 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_static_ip_modify [2021-11-25 19:44:47,836 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_static_ip_modify [2021-11-25 19:44:47,836 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-11-25 19:44:47,836 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2021-11-25 19:44:47,836 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2021-11-25 19:44:47,836 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2021-11-25 19:44:47,836 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2021-11-25 19:44:47,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_isr_lock_of_beiscsi_hba [2021-11-25 19:44:47,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_isr_lock_of_beiscsi_hba [2021-11-25 19:44:47,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-25 19:44:47,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-25 19:44:47,837 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_compl_use [2021-11-25 19:44:47,837 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_compl_use [2021-11-25 19:44:47,837 INFO L130 BoogieDeclarations]: Found specification of procedure __iscsi_complete_pdu [2021-11-25 19:44:47,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __iscsi_complete_pdu [2021-11-25 19:44:47,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-25 19:44:47,837 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-25 19:44:47,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 19:44:47,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 19:44:47,838 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_purge_eq [2021-11-25 19:44:47,838 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_purge_eq [2021-11-25 19:44:47,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_165 [2021-11-25 19:44:47,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_165 [2021-11-25 19:44:47,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_remap [2021-11-25 19:44:47,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_remap [2021-11-25 19:44:47,838 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-25 19:44:47,838 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-25 19:44:47,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_158 [2021-11-25 19:44:47,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_158 [2021-11-25 19:44:47,839 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_compl_is_new [2021-11-25 19:44:47,839 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_compl_is_new [2021-11-25 19:44:47,839 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_exec_nonemb_cmd [2021-11-25 19:44:47,839 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_exec_nonemb_cmd [2021-11-25 19:44:47,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-25 19:44:47,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-25 19:44:47,839 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2021-11-25 19:44:47,839 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2021-11-25 19:44:47,840 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_ue_detect [2021-11-25 19:44:47,840 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_ue_detect [2021-11-25 19:44:47,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-25 19:44:47,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-25 19:44:47,840 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-25 19:44:47,840 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-25 19:44:47,840 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_eh_device_reset [2021-11-25 19:44:47,840 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_eh_device_reset [2021-11-25 19:44:47,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-25 19:44:47,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-25 19:44:47,841 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-11-25 19:44:47,841 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-11-25 19:44:47,841 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_page_addrs_prepare [2021-11-25 19:44:47,841 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_page_addrs_prepare [2021-11-25 19:44:47,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-25 19:44:47,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-25 19:44:47,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-25 19:44:47,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-25 19:44:47,842 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_cmd_reset_function [2021-11-25 19:44:47,842 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_cmd_reset_function [2021-11-25 19:44:47,842 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_eeh_resume [2021-11-25 19:44:47,842 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_eeh_resume [2021-11-25 19:44:47,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 19:44:47,842 INFO L130 BoogieDeclarations]: Found specification of procedure nla_find [2021-11-25 19:44:47,842 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_find [2021-11-25 19:44:47,842 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_session_teardown [2021-11-25 19:44:47,842 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_session_teardown [2021-11-25 19:44:47,842 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-25 19:44:47,843 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-25 19:44:47,843 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_init_irqs [2021-11-25 19:44:47,843 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_init_irqs [2021-11-25 19:44:47,843 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_cleanup_task [2021-11-25 19:44:47,843 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_cleanup_task [2021-11-25 19:44:47,843 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-11-25 19:44:47,843 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-11-25 19:44:47,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-25 19:44:47,843 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_process_cq [2021-11-25 19:44:47,844 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_process_cq [2021-11-25 19:44:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-25 19:44:47,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-25 19:44:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-25 19:44:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-11-25 19:44:47,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-11-25 19:44:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_eh_session_reset [2021-11-25 19:44:47,844 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_eh_session_reset [2021-11-25 19:44:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure blk_iopoll_init [2021-11-25 19:44:47,845 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_iopoll_init [2021-11-25 19:44:47,845 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-25 19:44:47,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-25 19:44:47,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-25 19:44:47,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-25 19:44:47,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-25 19:44:47,845 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-25 19:44:47,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-25 19:44:47,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-25 19:44:47,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-25 19:44:47,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-25 19:44:47,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-25 19:44:47,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-25 19:44:47,846 INFO L130 BoogieDeclarations]: Found specification of procedure wrb_from_mccq [2021-11-25 19:44:47,846 INFO L138 BoogieDeclarations]: Found implementation of procedure wrb_from_mccq [2021-11-25 19:44:47,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_1 [2021-11-25 19:44:47,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_1 [2021-11-25 19:44:47,846 INFO L130 BoogieDeclarations]: Found specification of procedure be_sgl_destroy_contiguous [2021-11-25 19:44:47,847 INFO L138 BoogieDeclarations]: Found implementation of procedure be_sgl_destroy_contiguous [2021-11-25 19:44:47,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_2 [2021-11-25 19:44:47,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_2 [2021-11-25 19:44:47,847 INFO L130 BoogieDeclarations]: Found specification of procedure amap_set [2021-11-25 19:44:47,847 INFO L138 BoogieDeclarations]: Found implementation of procedure amap_set [2021-11-25 19:44:47,847 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-25 19:44:47,847 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-25 19:44:47,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-25 19:44:47,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-25 19:44:47,847 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_get [2021-11-25 19:44:47,848 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_get [2021-11-25 19:44:47,848 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_is_host_device [2021-11-25 19:44:47,848 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_is_host_device [2021-11-25 19:44:47,848 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_free_ep [2021-11-25 19:44:47,848 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_free_ep [2021-11-25 19:44:47,848 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_compl_process [2021-11-25 19:44:47,848 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_compl_process [2021-11-25 19:44:47,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_142 [2021-11-25 19:44:47,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_142 [2021-11-25 19:44:47,849 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_mccq_compl [2021-11-25 19:44:47,849 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_mccq_compl [2021-11-25 19:44:47,849 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_unmap_pci_function [2021-11-25 19:44:47,849 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_unmap_pci_function [2021-11-25 19:44:47,849 INFO L130 BoogieDeclarations]: Found specification of procedure embedded_payload [2021-11-25 19:44:47,849 INFO L138 BoogieDeclarations]: Found implementation of procedure embedded_payload [2021-11-25 19:44:47,849 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_build_be_sgl_arr [2021-11-25 19:44:47,849 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_build_be_sgl_arr [2021-11-25 19:44:47,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_146 [2021-11-25 19:44:47,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_146 [2021-11-25 19:44:47,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_0 [2021-11-25 19:44:47,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_0 [2021-11-25 19:44:47,850 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_get_macaddr [2021-11-25 19:44:47,850 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_get_macaddr [2021-11-25 19:44:47,850 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-25 19:44:47,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-25 19:44:47,850 INFO L130 BoogieDeclarations]: Found specification of procedure be_sgl_create_contiguous [2021-11-25 19:44:47,850 INFO L138 BoogieDeclarations]: Found implementation of procedure be_sgl_create_contiguous [2021-11-25 19:44:47,851 INFO L130 BoogieDeclarations]: Found specification of procedure be_chk_reset_complete [2021-11-25 19:44:47,851 INFO L138 BoogieDeclarations]: Found implementation of procedure be_chk_reset_complete [2021-11-25 19:44:47,851 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-25 19:44:47,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-25 19:44:47,851 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_boot_destroy_kset [2021-11-25 19:44:47,851 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_boot_destroy_kset [2021-11-25 19:44:47,851 INFO L130 BoogieDeclarations]: Found specification of procedure free_mgmt_sgl_handle [2021-11-25 19:44:47,851 INFO L138 BoogieDeclarations]: Found implementation of procedure free_mgmt_sgl_handle [2021-11-25 19:44:47,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-25 19:44:47,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-25 19:44:47,852 INFO L130 BoogieDeclarations]: Found specification of procedure be_mbox_notify [2021-11-25 19:44:47,852 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mbox_notify [2021-11-25 19:44:47,852 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2021-11-25 19:44:47,852 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2021-11-25 19:44:47,852 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_alloc_cmd_data [2021-11-25 19:44:47,852 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_alloc_cmd_data [2021-11-25 19:44:47,852 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_bsg_request [2021-11-25 19:44:47,852 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_bsg_request [2021-11-25 19:44:47,852 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-25 19:44:47,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-25 19:44:47,853 INFO L130 BoogieDeclarations]: Found specification of procedure be_queue_alloc [2021-11-25 19:44:47,853 INFO L138 BoogieDeclarations]: Found implementation of procedure be_queue_alloc [2021-11-25 19:44:47,853 INFO L130 BoogieDeclarations]: Found specification of procedure shost_priv [2021-11-25 19:44:47,853 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_priv [2021-11-25 19:44:47,853 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-11-25 19:44:47,853 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-11-25 19:44:47,853 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_create_iface [2021-11-25 19:44:47,853 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_create_iface [2021-11-25 19:44:47,854 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_slave_configure [2021-11-25 19:44:47,854 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_slave_configure [2021-11-25 19:44:47,854 INFO L130 BoogieDeclarations]: Found specification of procedure queue_tail_node [2021-11-25 19:44:47,854 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_tail_node [2021-11-25 19:44:47,854 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-25 19:44:47,854 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-25 19:44:47,854 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-25 19:44:47,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-25 19:44:47,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-25 19:44:47,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-25 19:44:47,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-25 19:44:47,855 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_init_controller [2021-11-25 19:44:47,855 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_init_controller [2021-11-25 19:44:47,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-25 19:44:47,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-25 19:44:47,855 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-25 19:44:47,855 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-25 19:44:47,855 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_free_async_msg [2021-11-25 19:44:47,855 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_free_async_msg [2021-11-25 19:44:47,855 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_hdr_prepare [2021-11-25 19:44:47,856 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_hdr_prepare [2021-11-25 19:44:47,856 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_msix_enable [2021-11-25 19:44:47,856 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_msix_enable [2021-11-25 19:44:47,856 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bufflen [2021-11-25 19:44:47,856 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bufflen [2021-11-25 19:44:47,856 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-25 19:44:47,856 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-25 19:44:47,856 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_eh_abort [2021-11-25 19:44:47,856 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_eh_abort [2021-11-25 19:44:47,856 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2021-11-25 19:44:47,857 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2021-11-25 19:44:47,857 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-25 19:44:47,857 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-25 19:44:47,857 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_quiesce [2021-11-25 19:44:47,857 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_quiesce [2021-11-25 19:44:47,857 INFO L130 BoogieDeclarations]: Found specification of procedure blk_iopoll_enable [2021-11-25 19:44:47,857 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_iopoll_enable [2021-11-25 19:44:47,857 INFO L130 BoogieDeclarations]: Found specification of procedure blk_iopoll_disable [2021-11-25 19:44:47,857 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_iopoll_disable [2021-11-25 19:44:47,858 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_host_for_each_session [2021-11-25 19:44:47,858 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_host_for_each_session [2021-11-25 19:44:47,858 INFO L130 BoogieDeclarations]: Found specification of procedure blk_iopoll_sched_prep [2021-11-25 19:44:47,858 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_iopoll_sched_prep [2021-11-25 19:44:47,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 19:44:47,858 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_error [2021-11-25 19:44:47,858 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_error [2021-11-25 19:44:47,858 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-25 19:44:47,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-25 19:44:47,858 INFO L130 BoogieDeclarations]: Found specification of procedure be_fill_queue [2021-11-25 19:44:47,859 INFO L138 BoogieDeclarations]: Found implementation of procedure be_fill_queue [2021-11-25 19:44:47,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-25 19:44:47,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-25 19:44:47,859 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_get_params [2021-11-25 19:44:47,859 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_get_params [2021-11-25 19:44:47,859 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_notify [2021-11-25 19:44:47,859 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_notify [2021-11-25 19:44:47,859 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_async_link_state_process [2021-11-25 19:44:47,859 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_async_link_state_process [2021-11-25 19:44:47,859 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-25 19:44:47,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-25 19:44:47,860 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_setup_boot_info [2021-11-25 19:44:47,860 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_setup_boot_info [2021-11-25 19:44:47,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-25 19:44:47,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-25 19:44:47,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-25 19:44:47,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-25 19:44:47,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-25 19:44:47,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-25 19:44:47,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-25 19:44:47,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-25 19:44:47,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_mgmt_sgl_lock_of_beiscsi_hba [2021-11-25 19:44:47,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_mgmt_sgl_lock_of_beiscsi_hba [2021-11-25 19:44:47,861 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_write_buffer [2021-11-25 19:44:47,861 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_write_buffer [2021-11-25 19:44:47,861 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_unmap [2021-11-25 19:44:47,861 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dma_unmap [2021-11-25 19:44:47,861 INFO L130 BoogieDeclarations]: Found specification of procedure be2iscsi_fail_session [2021-11-25 19:44:47,861 INFO L138 BoogieDeclarations]: Found implementation of procedure be2iscsi_fail_session [2021-11-25 19:44:47,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_143 [2021-11-25 19:44:47,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_143 [2021-11-25 19:44:47,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_147 [2021-11-25 19:44:47,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_147 [2021-11-25 19:44:47,862 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_shutdown [2021-11-25 19:44:47,862 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_shutdown [2021-11-25 19:44:47,862 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-25 19:44:47,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-25 19:44:47,862 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_destroy_iface [2021-11-25 19:44:47,862 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_destroy_iface [2021-11-25 19:44:47,862 INFO L130 BoogieDeclarations]: Found specification of procedure free_wrb_handle [2021-11-25 19:44:47,863 INFO L138 BoogieDeclarations]: Found implementation of procedure free_wrb_handle [2021-11-25 19:44:47,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-25 19:44:47,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-25 19:44:47,863 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_cmd_q_destroy [2021-11-25 19:44:47,863 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_cmd_q_destroy [2021-11-25 19:44:47,863 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-25 19:44:47,863 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-25 19:44:47,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_122 [2021-11-25 19:44:47,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_122 [2021-11-25 19:44:47,864 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_post_async_buffers [2021-11-25 19:44:47,864 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_post_async_buffers [2021-11-25 19:44:47,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-25 19:44:47,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-25 19:44:47,864 INFO L130 BoogieDeclarations]: Found specification of procedure be_complete_nopin_resp [2021-11-25 19:44:47,864 INFO L138 BoogieDeclarations]: Found implementation of procedure be_complete_nopin_resp [2021-11-25 19:44:47,864 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-25 19:44:47,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-25 19:44:47,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-25 19:44:47,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-25 19:44:47,865 INFO L130 BoogieDeclarations]: Found specification of procedure __ilog2_u32 [2021-11-25 19:44:47,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __ilog2_u32 [2021-11-25 19:44:47,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-25 19:44:47,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-25 19:44:47,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-25 19:44:47,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-25 19:44:47,865 INFO L130 BoogieDeclarations]: Found specification of procedure wrb_from_mbox [2021-11-25 19:44:47,865 INFO L138 BoogieDeclarations]: Found implementation of procedure wrb_from_mbox [2021-11-25 19:44:47,865 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_create_default_pdu_queue [2021-11-25 19:44:47,865 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_create_default_pdu_queue [2021-11-25 19:44:47,866 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-25 19:44:47,866 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-25 19:44:47,866 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_process_default_pdu_ring [2021-11-25 19:44:47,866 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_process_default_pdu_ring [2021-11-25 19:44:47,866 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-25 19:44:47,866 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-25 19:44:47,866 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-25 19:44:47,866 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-25 19:44:47,866 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_ep_disconnect [2021-11-25 19:44:47,866 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_ep_disconnect [2021-11-25 19:44:47,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 19:44:47,867 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_free_mgmt_task_handles [2021-11-25 19:44:47,867 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_free_mgmt_task_handles [2021-11-25 19:44:50,482 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 19:44:50,489 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 19:44:50,600 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-25 19:45:21,389 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 19:45:29,472 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 19:45:29,472 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-25 19:45:29,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:45:29 BoogieIcfgContainer [2021-11-25 19:45:29,482 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 19:45:29,484 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 19:45:29,484 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 19:45:29,488 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 19:45:29,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 07:44:27" (1/3) ... [2021-11-25 19:45:29,489 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ed28683 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:45:29, skipping insertion in model container [2021-11-25 19:45:29,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:44:45" (2/3) ... [2021-11-25 19:45:29,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ed28683 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:45:29, skipping insertion in model container [2021-11-25 19:45:29,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:45:29" (3/3) ... [2021-11-25 19:45:29,491 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i [2021-11-25 19:45:29,498 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 19:45:29,498 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2021-11-25 19:45:29,582 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 19:45:29,589 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 19:45:29,590 INFO L340 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2021-11-25 19:45:29,728 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) [2021-11-25 19:45:29,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-25 19:45:29,735 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:45:29,736 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:45:29,737 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)] === [2021-11-25 19:45:29,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:45:29,743 INFO L85 PathProgramCache]: Analyzing trace with hash 1755694893, now seen corresponding path program 1 times [2021-11-25 19:45:29,754 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:45:29,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86993144] [2021-11-25 19:45:29,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:45:29,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:45:30,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:45:31,317 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-25 19:45:31,318 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:45:31,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86993144] [2021-11-25 19:45:31,322 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86993144] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:45:31,322 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:45:31,322 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:45:31,324 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894781752] [2021-11-25 19:45:31,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:45:31,330 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:45:31,332 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:45:31,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:45:31,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:45:31,393 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) [2021-11-25 19:45:36,758 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:45:44,187 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:45:48,174 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:45:50,401 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:45:52,627 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:45:54,862 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:45:57,961 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:45:59,892 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:46:02,099 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:46:06,075 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:46:08,574 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-25 19:46:10,734 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-25 19:46:12,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:46:12,736 INFO L93 Difference]: Finished difference Result 13943 states and 21132 transitions. [2021-11-25 19:46:12,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 19:46:12,739 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 48 [2021-11-25 19:46:12,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:46:12,887 INFO L225 Difference]: With dead ends: 13943 [2021-11-25 19:46:12,887 INFO L226 Difference]: Without dead ends: 9121 [2021-11-25 19:46:12,964 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:46:12,968 INFO L933 BasicCegarLoop]: 8814 mSDtfsCounter, 6323 mSDsluCounter, 16777 mSDsCounter, 0 mSdLazyCounter, 2706 mSolverCounterSat, 2 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6325 SdHoareTripleChecker+Valid, 23853 SdHoareTripleChecker+Invalid, 2714 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2706 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.4s IncrementalHoareTripleChecker+Time [2021-11-25 19:46:12,969 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6325 Valid, 23853 Invalid, 2714 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2706 Invalid, 6 Unknown, 0 Unchecked, 40.4s Time] [2021-11-25 19:46:13,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9121 states. [2021-11-25 19:46:14,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9121 to 8943. [2021-11-25 19:46:14,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8943 states, 5192 states have (on average 1.2862095531587057) internal successors, (6678), 5413 states have internal predecessors, (6678), 3219 states have call successors, (3219), 506 states have call predecessors, (3219), 504 states have return successors, (3221), 3159 states have call predecessors, (3221), 3215 states have call successors, (3221) [2021-11-25 19:46:14,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8943 states to 8943 states and 13118 transitions. [2021-11-25 19:46:14,238 INFO L78 Accepts]: Start accepts. Automaton has 8943 states and 13118 transitions. Word has length 48 [2021-11-25 19:46:14,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:46:14,240 INFO L470 AbstractCegarLoop]: Abstraction has 8943 states and 13118 transitions. [2021-11-25 19:46:14,242 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-25 19:46:14,242 INFO L276 IsEmpty]: Start isEmpty. Operand 8943 states and 13118 transitions. [2021-11-25 19:46:14,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-25 19:46:14,253 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:46:14,254 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:46:14,254 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 19:46:14,254 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)] === [2021-11-25 19:46:14,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:46:14,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1117865764, now seen corresponding path program 1 times [2021-11-25 19:46:14,258 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:46:14,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807351820] [2021-11-25 19:46:14,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:46:14,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:46:14,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:46:15,066 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-25 19:46:15,067 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:46:15,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807351820] [2021-11-25 19:46:15,067 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807351820] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:46:15,067 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:46:15,068 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:46:15,068 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011913527] [2021-11-25 19:46:15,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:46:15,070 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:46:15,070 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:46:15,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:46:15,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:46:15,071 INFO L87 Difference]: Start difference. First operand 8943 states and 13118 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-25 19:46:20,129 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:46:25,400 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:46:29,416 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:46:32,913 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:46:34,260 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:46:37,667 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:46:39,960 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:46:46,952 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-25 19:46:50,420 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:46:50,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:46:50,926 INFO L93 Difference]: Finished difference Result 14604 states and 21347 transitions. [2021-11-25 19:46:50,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 19:46:50,927 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 53 [2021-11-25 19:46:50,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:46:51,089 INFO L225 Difference]: With dead ends: 14604 [2021-11-25 19:46:51,090 INFO L226 Difference]: Without dead ends: 14602 [2021-11-25 19:46:51,102 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:46:51,104 INFO L933 BasicCegarLoop]: 8074 mSDtfsCounter, 6938 mSDsluCounter, 15860 mSDsCounter, 0 mSdLazyCounter, 2410 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6948 SdHoareTripleChecker+Valid, 22342 SdHoareTripleChecker+Invalid, 2417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2410 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.1s IncrementalHoareTripleChecker+Time [2021-11-25 19:46:51,104 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6948 Valid, 22342 Invalid, 2417 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2410 Invalid, 6 Unknown, 0 Unchecked, 35.1s Time] [2021-11-25 19:46:51,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14602 states. [2021-11-25 19:46:52,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14602 to 14426. [2021-11-25 19:46:52,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14426 states, 8374 states have (on average 1.2843324576068784) internal successors, (10755), 8710 states have internal predecessors, (10755), 5201 states have call successors, (5201), 825 states have call predecessors, (5201), 823 states have return successors, (5205), 5106 states have call predecessors, (5205), 5195 states have call successors, (5205) [2021-11-25 19:46:52,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14426 states to 14426 states and 21161 transitions. [2021-11-25 19:46:52,436 INFO L78 Accepts]: Start accepts. Automaton has 14426 states and 21161 transitions. Word has length 53 [2021-11-25 19:46:52,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:46:52,438 INFO L470 AbstractCegarLoop]: Abstraction has 14426 states and 21161 transitions. [2021-11-25 19:46:52,438 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-25 19:46:52,438 INFO L276 IsEmpty]: Start isEmpty. Operand 14426 states and 21161 transitions. [2021-11-25 19:46:52,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-25 19:46:52,447 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:46:52,448 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:46:52,448 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 19:46:52,448 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)] === [2021-11-25 19:46:52,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:46:52,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1572518196, now seen corresponding path program 1 times [2021-11-25 19:46:52,449 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:46:52,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28434348] [2021-11-25 19:46:52,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:46:52,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:46:52,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:46:53,301 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-25 19:46:53,301 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:46:53,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28434348] [2021-11-25 19:46:53,301 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28434348] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:46:53,302 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:46:53,302 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:46:53,302 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043510901] [2021-11-25 19:46:53,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:46:53,303 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:46:53,303 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:46:53,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:46:53,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:46:53,304 INFO L87 Difference]: Start difference. First operand 14426 states and 21161 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-25 19:46:56,117 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:46:58,154 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:47:02,433 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:47:06,309 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:47:09,085 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:47:11,796 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:47:13,024 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:47:15,057 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:47:23,076 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 [] [2021-11-25 19:47:25,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:47:25,006 INFO L93 Difference]: Finished difference Result 14654 states and 21403 transitions. [2021-11-25 19:47:25,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 19:47:25,006 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 58 [2021-11-25 19:47:25,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:47:25,111 INFO L225 Difference]: With dead ends: 14654 [2021-11-25 19:47:25,111 INFO L226 Difference]: Without dead ends: 14652 [2021-11-25 19:47:25,125 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:47:25,126 INFO L933 BasicCegarLoop]: 8275 mSDtfsCounter, 6964 mSDsluCounter, 16102 mSDsCounter, 0 mSdLazyCounter, 2489 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6970 SdHoareTripleChecker+Valid, 22744 SdHoareTripleChecker+Invalid, 2496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2489 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.1s IncrementalHoareTripleChecker+Time [2021-11-25 19:47:25,127 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6970 Valid, 22744 Invalid, 2496 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2489 Invalid, 6 Unknown, 0 Unchecked, 31.1s Time] [2021-11-25 19:47:25,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14652 states. [2021-11-25 19:47:26,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14652 to 14486. [2021-11-25 19:47:26,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14486 states, 8407 states have (on average 1.2839300582847626) internal successors, (10794), 8745 states have internal predecessors, (10794), 5215 states have call successors, (5215), 838 states have call predecessors, (5215), 836 states have return successors, (5219), 5120 states have call predecessors, (5219), 5209 states have call successors, (5219) [2021-11-25 19:47:26,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14486 states to 14486 states and 21228 transitions. [2021-11-25 19:47:26,424 INFO L78 Accepts]: Start accepts. Automaton has 14486 states and 21228 transitions. Word has length 58 [2021-11-25 19:47:26,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:47:26,425 INFO L470 AbstractCegarLoop]: Abstraction has 14486 states and 21228 transitions. [2021-11-25 19:47:26,425 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-25 19:47:26,425 INFO L276 IsEmpty]: Start isEmpty. Operand 14486 states and 21228 transitions. [2021-11-25 19:47:26,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-25 19:47:26,428 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:47:26,428 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:47:26,428 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 19:47:26,429 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)] === [2021-11-25 19:47:26,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:47:26,429 INFO L85 PathProgramCache]: Analyzing trace with hash -1507882711, now seen corresponding path program 1 times [2021-11-25 19:47:26,430 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:47:26,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761186084] [2021-11-25 19:47:26,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:47:26,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:47:26,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:47:27,085 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-25 19:47:27,085 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:47:27,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761186084] [2021-11-25 19:47:27,086 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761186084] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:47:27,086 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:47:27,086 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:47:27,086 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316391718] [2021-11-25 19:47:27,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:47:27,087 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:47:27,087 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:47:27,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:47:27,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:47:27,088 INFO L87 Difference]: Start difference. First operand 14486 states and 21228 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-25 19:47:31,978 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:47:36,239 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:47:39,167 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:47:42,381 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:47:44,522 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:47:45,808 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:47:48,098 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:47:51,010 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:47:54,760 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-25 19:47:57,583 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:47:59,763 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:48:01,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:48:01,268 INFO L93 Difference]: Finished difference Result 14652 states and 21400 transitions. [2021-11-25 19:48:01,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 19:48:01,269 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 63 [2021-11-25 19:48:01,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:48:01,355 INFO L225 Difference]: With dead ends: 14652 [2021-11-25 19:48:01,355 INFO L226 Difference]: Without dead ends: 14650 [2021-11-25 19:48:01,366 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 [2021-11-25 19:48:01,367 INFO L933 BasicCegarLoop]: 8080 mSDtfsCounter, 6962 mSDsluCounter, 15871 mSDsCounter, 0 mSdLazyCounter, 2414 mSolverCounterSat, 1 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6966 SdHoareTripleChecker+Valid, 22354 SdHoareTripleChecker+Invalid, 2422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2414 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.6s IncrementalHoareTripleChecker+Time [2021-11-25 19:48:01,368 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6966 Valid, 22354 Invalid, 2422 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2414 Invalid, 7 Unknown, 0 Unchecked, 33.6s Time] [2021-11-25 19:48:01,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14650 states. [2021-11-25 19:48:02,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14650 to 14492. [2021-11-25 19:48:02,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14492 states, 8410 states have (on average 1.2838287752675386) internal successors, (10797), 8748 states have internal predecessors, (10797), 5217 states have call successors, (5217), 839 states have call predecessors, (5217), 837 states have return successors, (5219), 5122 states have call predecessors, (5219), 5211 states have call successors, (5219) [2021-11-25 19:48:02,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14492 states to 14492 states and 21233 transitions. [2021-11-25 19:48:02,600 INFO L78 Accepts]: Start accepts. Automaton has 14492 states and 21233 transitions. Word has length 63 [2021-11-25 19:48:02,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:48:02,602 INFO L470 AbstractCegarLoop]: Abstraction has 14492 states and 21233 transitions. [2021-11-25 19:48:02,602 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-25 19:48:02,602 INFO L276 IsEmpty]: Start isEmpty. Operand 14492 states and 21233 transitions. [2021-11-25 19:48:02,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-25 19:48:02,605 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:48:02,606 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:48:02,606 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 19:48:02,608 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)] === [2021-11-25 19:48:02,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:48:02,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1595473589, now seen corresponding path program 1 times [2021-11-25 19:48:02,609 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:48:02,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541758299] [2021-11-25 19:48:02,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:48:02,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:48:02,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:48:03,530 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-25 19:48:03,531 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:48:03,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541758299] [2021-11-25 19:48:03,531 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541758299] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:48:03,531 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:48:03,531 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:48:03,532 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757248841] [2021-11-25 19:48:03,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:48:03,534 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:48:03,534 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:48:03,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:48:03,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:48:03,535 INFO L87 Difference]: Start difference. First operand 14492 states and 21233 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-25 19:48:06,724 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:48:08,764 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:48:11,443 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:48:14,594 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:48:17,948 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:48:20,480 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:48:22,986 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:48:25,045 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:48:29,827 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:48:31,940 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-25 19:48:33,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:48:33,847 INFO L93 Difference]: Finished difference Result 14648 states and 21395 transitions. [2021-11-25 19:48:33,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 19:48:33,848 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 68 [2021-11-25 19:48:33,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:48:33,931 INFO L225 Difference]: With dead ends: 14648 [2021-11-25 19:48:33,931 INFO L226 Difference]: Without dead ends: 14646 [2021-11-25 19:48:33,940 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:48:33,942 INFO L933 BasicCegarLoop]: 8080 mSDtfsCounter, 6959 mSDsluCounter, 15870 mSDsCounter, 0 mSdLazyCounter, 2415 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6963 SdHoareTripleChecker+Valid, 22354 SdHoareTripleChecker+Invalid, 2421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2415 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.8s IncrementalHoareTripleChecker+Time [2021-11-25 19:48:33,942 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6963 Valid, 22354 Invalid, 2421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2415 Invalid, 5 Unknown, 0 Unchecked, 29.8s Time] [2021-11-25 19:48:33,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14646 states. [2021-11-25 19:48:35,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14646 to 14498. [2021-11-25 19:48:35,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14498 states, 8413 states have (on average 1.2837275644835373) internal successors, (10800), 8751 states have internal predecessors, (10800), 5219 states have call successors, (5219), 840 states have call predecessors, (5219), 838 states have return successors, (5221), 5124 states have call predecessors, (5221), 5213 states have call successors, (5221) [2021-11-25 19:48:35,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14498 states to 14498 states and 21240 transitions. [2021-11-25 19:48:35,222 INFO L78 Accepts]: Start accepts. Automaton has 14498 states and 21240 transitions. Word has length 68 [2021-11-25 19:48:35,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:48:35,223 INFO L470 AbstractCegarLoop]: Abstraction has 14498 states and 21240 transitions. [2021-11-25 19:48:35,223 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-25 19:48:35,223 INFO L276 IsEmpty]: Start isEmpty. Operand 14498 states and 21240 transitions. [2021-11-25 19:48:35,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-25 19:48:35,225 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:48:35,225 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:48:35,226 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-25 19:48:35,226 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)] === [2021-11-25 19:48:35,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:48:35,227 INFO L85 PathProgramCache]: Analyzing trace with hash -1836599409, now seen corresponding path program 1 times [2021-11-25 19:48:35,227 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:48:35,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401710000] [2021-11-25 19:48:35,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:48:35,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:48:35,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:48:35,840 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-25 19:48:35,840 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:48:35,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401710000] [2021-11-25 19:48:35,841 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401710000] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:48:35,841 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:48:35,841 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:48:35,841 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879665489] [2021-11-25 19:48:35,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:48:35,842 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:48:35,842 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:48:35,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:48:35,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:48:35,843 INFO L87 Difference]: Start difference. First operand 14498 states and 21240 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-25 19:48:39,094 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:48:44,124 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:48:47,768 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:48:50,993 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:48:52,345 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:48:55,636 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:48:58,682 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:49:01,024 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:49:03,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:49:03,135 INFO L93 Difference]: Finished difference Result 15584 states and 22721 transitions. [2021-11-25 19:49:03,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 19:49:03,136 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 73 [2021-11-25 19:49:03,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:49:03,228 INFO L225 Difference]: With dead ends: 15584 [2021-11-25 19:49:03,228 INFO L226 Difference]: Without dead ends: 15582 [2021-11-25 19:49:03,240 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:49:03,242 INFO L933 BasicCegarLoop]: 8086 mSDtfsCounter, 6973 mSDsluCounter, 15873 mSDsCounter, 0 mSdLazyCounter, 2411 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6977 SdHoareTripleChecker+Valid, 22366 SdHoareTripleChecker+Invalid, 2415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2411 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.6s IncrementalHoareTripleChecker+Time [2021-11-25 19:49:03,242 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6977 Valid, 22366 Invalid, 2415 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2411 Invalid, 3 Unknown, 0 Unchecked, 26.6s Time] [2021-11-25 19:49:03,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15582 states. [2021-11-25 19:49:04,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15582 to 15440. [2021-11-25 19:49:04,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15440 states, 8943 states have (on average 1.2810019009281002) internal successors, (11456), 9296 states have internal predecessors, (11456), 5558 states have call successors, (5558), 913 states have call predecessors, (5558), 911 states have return successors, (5557), 5461 states have call predecessors, (5557), 5551 states have call successors, (5557) [2021-11-25 19:49:04,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15440 states to 15440 states and 22571 transitions. [2021-11-25 19:49:04,576 INFO L78 Accepts]: Start accepts. Automaton has 15440 states and 22571 transitions. Word has length 73 [2021-11-25 19:49:04,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:49:04,577 INFO L470 AbstractCegarLoop]: Abstraction has 15440 states and 22571 transitions. [2021-11-25 19:49:04,577 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-25 19:49:04,577 INFO L276 IsEmpty]: Start isEmpty. Operand 15440 states and 22571 transitions. [2021-11-25 19:49:04,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-25 19:49:04,581 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:49:04,581 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:49:04,581 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-25 19:49:04,582 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)] === [2021-11-25 19:49:04,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:49:04,582 INFO L85 PathProgramCache]: Analyzing trace with hash -1303384444, now seen corresponding path program 1 times [2021-11-25 19:49:04,582 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:49:04,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615080519] [2021-11-25 19:49:04,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:49:04,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:49:04,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:49:05,371 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-25 19:49:05,371 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:49:05,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615080519] [2021-11-25 19:49:05,371 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615080519] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:49:05,372 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:49:05,372 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:49:05,372 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127270531] [2021-11-25 19:49:05,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:49:05,373 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:49:05,373 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:49:05,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:49:05,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:49:05,374 INFO L87 Difference]: Start difference. First operand 15440 states and 22571 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-25 19:49:08,148 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:49:14,807 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:49:18,114 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:49:20,767 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:49:28,257 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-25 19:49:29,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:49:29,977 INFO L93 Difference]: Finished difference Result 15584 states and 22720 transitions. [2021-11-25 19:49:29,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 19:49:29,978 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 78 [2021-11-25 19:49:29,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:49:30,063 INFO L225 Difference]: With dead ends: 15584 [2021-11-25 19:49:30,064 INFO L226 Difference]: Without dead ends: 15582 [2021-11-25 19:49:30,074 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:49:30,075 INFO L933 BasicCegarLoop]: 8275 mSDtfsCounter, 6953 mSDsluCounter, 16103 mSDsCounter, 0 mSdLazyCounter, 2493 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6957 SdHoareTripleChecker+Valid, 22744 SdHoareTripleChecker+Invalid, 2497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2493 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:49:30,076 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6957 Valid, 22744 Invalid, 2497 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2493 Invalid, 3 Unknown, 0 Unchecked, 24.0s Time] [2021-11-25 19:49:30,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15582 states. [2021-11-25 19:49:31,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15582 to 15446. [2021-11-25 19:49:31,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15446 states, 8946 states have (on average 1.2809076682316118) internal successors, (11459), 9299 states have internal predecessors, (11459), 5560 states have call successors, (5560), 914 states have call predecessors, (5560), 912 states have return successors, (5559), 5463 states have call predecessors, (5559), 5553 states have call successors, (5559) [2021-11-25 19:49:31,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15446 states to 15446 states and 22578 transitions. [2021-11-25 19:49:31,398 INFO L78 Accepts]: Start accepts. Automaton has 15446 states and 22578 transitions. Word has length 78 [2021-11-25 19:49:31,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:49:31,401 INFO L470 AbstractCegarLoop]: Abstraction has 15446 states and 22578 transitions. [2021-11-25 19:49:31,402 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-25 19:49:31,402 INFO L276 IsEmpty]: Start isEmpty. Operand 15446 states and 22578 transitions. [2021-11-25 19:49:31,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-25 19:49:31,405 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:49:31,405 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] [2021-11-25 19:49:31,405 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-25 19:49:31,407 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)] === [2021-11-25 19:49:31,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:49:31,408 INFO L85 PathProgramCache]: Analyzing trace with hash 1231378675, now seen corresponding path program 1 times [2021-11-25 19:49:31,408 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:49:31,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802366615] [2021-11-25 19:49:31,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:49:31,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:49:31,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:49:31,975 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-25 19:49:31,976 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:49:31,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802366615] [2021-11-25 19:49:31,976 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802366615] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:49:31,977 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:49:31,977 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:49:31,977 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46082408] [2021-11-25 19:49:31,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:49:31,978 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:49:31,979 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:49:31,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:49:31,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:49:31,979 INFO L87 Difference]: Start difference. First operand 15446 states and 22578 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) [2021-11-25 19:49:35,167 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:49:38,574 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:49:41,634 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:49:44,628 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:49:46,346 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:49:47,836 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:49:55,742 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-25 19:49:56,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:49:56,207 INFO L93 Difference]: Finished difference Result 35172 states and 51413 transitions. [2021-11-25 19:49:56,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:49:56,213 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 [2021-11-25 19:49:56,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:49:56,339 INFO L225 Difference]: With dead ends: 35172 [2021-11-25 19:49:56,339 INFO L226 Difference]: Without dead ends: 19747 [2021-11-25 19:49:56,448 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:49:56,449 INFO L933 BasicCegarLoop]: 7906 mSDtfsCounter, 6992 mSDsluCounter, 6284 mSDsCounter, 0 mSdLazyCounter, 1512 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6994 SdHoareTripleChecker+Valid, 13493 SdHoareTripleChecker+Invalid, 1517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1512 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.4s IncrementalHoareTripleChecker+Time [2021-11-25 19:49:56,450 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6994 Valid, 13493 Invalid, 1517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1512 Invalid, 4 Unknown, 0 Unchecked, 23.4s Time] [2021-11-25 19:49:56,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19747 states. [2021-11-25 19:49:57,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19747 to 19679. [2021-11-25 19:49:58,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19679 states, 11422 states have (on average 1.2830502538959903) internal successors, (14655), 11862 states have internal predecessors, (14655), 7080 states have call successors, (7080), 1152 states have call predecessors, (7080), 1149 states have return successors, (7078), 6953 states have call predecessors, (7078), 7072 states have call successors, (7078) [2021-11-25 19:49:58,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19679 states to 19679 states and 28813 transitions. [2021-11-25 19:49:58,151 INFO L78 Accepts]: Start accepts. Automaton has 19679 states and 28813 transitions. Word has length 87 [2021-11-25 19:49:58,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:49:58,152 INFO L470 AbstractCegarLoop]: Abstraction has 19679 states and 28813 transitions. [2021-11-25 19:49:58,152 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) [2021-11-25 19:49:58,153 INFO L276 IsEmpty]: Start isEmpty. Operand 19679 states and 28813 transitions. [2021-11-25 19:49:58,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-25 19:49:58,155 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:49:58,155 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:49:58,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-25 19:49:58,156 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)] === [2021-11-25 19:49:58,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:49:58,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1902109068, now seen corresponding path program 1 times [2021-11-25 19:49:58,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:49:58,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850665829] [2021-11-25 19:49:58,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:49:58,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:49:58,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:49:58,695 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-25 19:49:58,696 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:49:58,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850665829] [2021-11-25 19:49:58,696 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850665829] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:49:58,696 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:49:58,697 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:49:58,697 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887355459] [2021-11-25 19:49:58,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:49:58,698 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:49:58,698 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:49:58,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:49:58,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:49:58,700 INFO L87 Difference]: Start difference. First operand 19679 states and 28813 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-25 19:50:02,676 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:50:08,418 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:50:11,959 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:50:14,574 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:50:17,718 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:50:19,334 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:50:21,921 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:50:27,329 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-25 19:50:29,518 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:50:31,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:50:31,169 INFO L93 Difference]: Finished difference Result 25199 states and 36801 transitions. [2021-11-25 19:50:31,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 19:50:31,170 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 83 [2021-11-25 19:50:31,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:50:31,366 INFO L225 Difference]: With dead ends: 25199 [2021-11-25 19:50:31,367 INFO L226 Difference]: Without dead ends: 25197 [2021-11-25 19:50:31,379 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:50:31,380 INFO L933 BasicCegarLoop]: 8275 mSDtfsCounter, 6946 mSDsluCounter, 16097 mSDsCounter, 0 mSdLazyCounter, 2486 mSolverCounterSat, 1 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6950 SdHoareTripleChecker+Valid, 22740 SdHoareTripleChecker+Invalid, 2495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2486 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.6s IncrementalHoareTripleChecker+Time [2021-11-25 19:50:31,380 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6950 Valid, 22740 Invalid, 2495 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2486 Invalid, 8 Unknown, 0 Unchecked, 31.6s Time] [2021-11-25 19:50:31,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25197 states. [2021-11-25 19:50:33,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25197 to 25071. [2021-11-25 19:50:33,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25071 states, 14569 states have (on average 1.2849200356922232) internal successors, (18720), 15133 states have internal predecessors, (18720), 8976 states have call successors, (8976), 1501 states have call predecessors, (8976), 1498 states have return successors, (8974), 8799 states have call predecessors, (8974), 8968 states have call successors, (8974) [2021-11-25 19:50:33,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25071 states to 25071 states and 36670 transitions. [2021-11-25 19:50:33,235 INFO L78 Accepts]: Start accepts. Automaton has 25071 states and 36670 transitions. Word has length 83 [2021-11-25 19:50:33,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:50:33,236 INFO L470 AbstractCegarLoop]: Abstraction has 25071 states and 36670 transitions. [2021-11-25 19:50:33,236 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-25 19:50:33,236 INFO L276 IsEmpty]: Start isEmpty. Operand 25071 states and 36670 transitions. [2021-11-25 19:50:33,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-25 19:50:33,239 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:50:33,239 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:50:33,239 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-25 19:50:33,240 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)] === [2021-11-25 19:50:33,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:50:33,240 INFO L85 PathProgramCache]: Analyzing trace with hash 1729571191, now seen corresponding path program 1 times [2021-11-25 19:50:33,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:50:33,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681781926] [2021-11-25 19:50:33,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:50:33,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:50:33,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:50:33,813 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-25 19:50:33,813 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:50:33,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681781926] [2021-11-25 19:50:33,814 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681781926] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:50:33,814 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:50:33,814 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:50:33,814 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915354831] [2021-11-25 19:50:33,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:50:33,815 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:50:33,815 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:50:33,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:50:33,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:50:33,816 INFO L87 Difference]: Start difference. First operand 25071 states and 36670 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-25 19:50:37,395 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:50:39,438 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:50:44,698 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:50:48,006 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:50:50,019 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:50:54,085 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:51:02,050 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-25 19:51:04,898 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:51:06,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:51:06,641 INFO L93 Difference]: Finished difference Result 25204 states and 36807 transitions. [2021-11-25 19:51:06,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 19:51:06,641 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 85 [2021-11-25 19:51:06,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:51:06,743 INFO L225 Difference]: With dead ends: 25204 [2021-11-25 19:51:06,744 INFO L226 Difference]: Without dead ends: 25202 [2021-11-25 19:51:06,755 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:51:06,755 INFO L933 BasicCegarLoop]: 8074 mSDtfsCounter, 6914 mSDsluCounter, 15863 mSDsCounter, 0 mSdLazyCounter, 2413 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6922 SdHoareTripleChecker+Valid, 22342 SdHoareTripleChecker+Invalid, 2420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2413 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.9s IncrementalHoareTripleChecker+Time [2021-11-25 19:51:06,756 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6922 Valid, 22342 Invalid, 2420 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2413 Invalid, 6 Unknown, 0 Unchecked, 31.9s Time] [2021-11-25 19:51:06,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25202 states. [2021-11-25 19:51:08,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25202 to 25078. [2021-11-25 19:51:08,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25078 states, 14574 states have (on average 1.2848222862632084) internal successors, (18725), 15138 states have internal predecessors, (18725), 8977 states have call successors, (8977), 1502 states have call predecessors, (8977), 1499 states have return successors, (8975), 8800 states have call predecessors, (8975), 8969 states have call successors, (8975) [2021-11-25 19:51:08,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25078 states to 25078 states and 36677 transitions. [2021-11-25 19:51:08,519 INFO L78 Accepts]: Start accepts. Automaton has 25078 states and 36677 transitions. Word has length 85 [2021-11-25 19:51:08,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:51:08,520 INFO L470 AbstractCegarLoop]: Abstraction has 25078 states and 36677 transitions. [2021-11-25 19:51:08,520 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-25 19:51:08,520 INFO L276 IsEmpty]: Start isEmpty. Operand 25078 states and 36677 transitions. [2021-11-25 19:51:08,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-25 19:51:08,522 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:51:08,523 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] [2021-11-25 19:51:08,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-25 19:51:08,523 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)] === [2021-11-25 19:51:08,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:51:08,524 INFO L85 PathProgramCache]: Analyzing trace with hash -764022135, now seen corresponding path program 1 times [2021-11-25 19:51:08,524 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:51:08,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89815936] [2021-11-25 19:51:08,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:51:08,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:51:08,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:51:09,377 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-11-25 19:51:09,378 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:51:09,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89815936] [2021-11-25 19:51:09,378 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89815936] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 19:51:09,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [25624794] [2021-11-25 19:51:09,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:51:09,378 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:51:09,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:51:09,381 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:51:09,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 19:51:13,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:51:13,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 8694 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-25 19:51:13,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:51:13,422 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-25 19:51:13,422 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:51:13,423 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [25624794] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:51:13,423 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-25 19:51:13,423 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2021-11-25 19:51:13,423 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486735792] [2021-11-25 19:51:13,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:51:13,424 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:51:13,424 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:51:13,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:51:13,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-11-25 19:51:13,425 INFO L87 Difference]: Start difference. First operand 25078 states and 36677 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) [2021-11-25 19:51:16,221 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:51:20,660 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:51:23,432 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:51:25,672 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:51:27,040 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:51:28,647 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:51:35,029 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-25 19:51:36,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:51:36,563 INFO L93 Difference]: Finished difference Result 51138 states and 74691 transitions. [2021-11-25 19:51:36,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:51:36,563 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 [2021-11-25 19:51:36,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:51:36,664 INFO L225 Difference]: With dead ends: 51138 [2021-11-25 19:51:36,664 INFO L226 Difference]: Without dead ends: 26081 [2021-11-25 19:51:36,778 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 [2021-11-25 19:51:36,779 INFO L933 BasicCegarLoop]: 7903 mSDtfsCounter, 6961 mSDsluCounter, 6297 mSDsCounter, 0 mSdLazyCounter, 1514 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6963 SdHoareTripleChecker+Valid, 13504 SdHoareTripleChecker+Invalid, 1519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1514 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.7s IncrementalHoareTripleChecker+Time [2021-11-25 19:51:36,779 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6963 Valid, 13504 Invalid, 1519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1514 Invalid, 4 Unknown, 0 Unchecked, 21.7s Time] [2021-11-25 19:51:36,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26081 states. [2021-11-25 19:51:38,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26081 to 26004. [2021-11-25 19:51:38,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26004 states, 15092 states have (on average 1.282798833819242) internal successors, (19360), 15673 states have internal predecessors, (19360), 9311 states have call successors, (9311), 1576 states have call predecessors, (9311), 1573 states have return successors, (9308), 9130 states have call predecessors, (9308), 9302 states have call successors, (9308) [2021-11-25 19:51:38,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26004 states to 26004 states and 37979 transitions. [2021-11-25 19:51:38,628 INFO L78 Accepts]: Start accepts. Automaton has 26004 states and 37979 transitions. Word has length 95 [2021-11-25 19:51:38,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:51:38,634 INFO L470 AbstractCegarLoop]: Abstraction has 26004 states and 37979 transitions. [2021-11-25 19:51:38,635 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) [2021-11-25 19:51:38,635 INFO L276 IsEmpty]: Start isEmpty. Operand 26004 states and 37979 transitions. [2021-11-25 19:51:38,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-25 19:51:38,638 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:51:38,638 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:51:38,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 19:51:38,860 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c55d6a0e-e5e0-43e7-b915-c0500149a3e8/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:51:38,861 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)] === [2021-11-25 19:51:38,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:51:38,861 INFO L85 PathProgramCache]: Analyzing trace with hash -921810780, now seen corresponding path program 1 times [2021-11-25 19:51:38,861 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:51:38,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180287260] [2021-11-25 19:51:38,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:51:38,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:51:39,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:51:39,609 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-25 19:51:39,611 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:51:39,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180287260] [2021-11-25 19:51:39,611 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180287260] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:51:39,611 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:51:39,611 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:51:39,612 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084148069] [2021-11-25 19:51:39,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:51:39,612 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:51:39,613 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:51:39,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:51:39,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:51:39,613 INFO L87 Difference]: Start difference. First operand 26004 states and 37979 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-25 19:51:47,342 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:51:50,830 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:51:54,339 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:51:55,613 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:51:57,227 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:51:59,293 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:52:00,486 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:52:03,867 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:52:06,259 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:52:08,687 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:52:11,699 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:52:13,911 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-25 19:52:17,321 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-25 19:52:19,483 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-25 19:52:20,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:52:20,218 INFO L93 Difference]: Finished difference Result 26120 states and 38099 transitions. [2021-11-25 19:52:20,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 19:52:20,218 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 90 [2021-11-25 19:52:20,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:52:20,292 INFO L225 Difference]: With dead ends: 26120 [2021-11-25 19:52:20,293 INFO L226 Difference]: Without dead ends: 26118 [2021-11-25 19:52:20,301 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:52:20,302 INFO L933 BasicCegarLoop]: 8086 mSDtfsCounter, 6954 mSDsluCounter, 15875 mSDsCounter, 0 mSdLazyCounter, 2408 mSolverCounterSat, 1 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6958 SdHoareTripleChecker+Valid, 22366 SdHoareTripleChecker+Invalid, 2417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2408 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.5s IncrementalHoareTripleChecker+Time [2021-11-25 19:52:20,302 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6958 Valid, 22366 Invalid, 2417 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2408 Invalid, 8 Unknown, 0 Unchecked, 39.5s Time] [2021-11-25 19:52:20,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26118 states. [2021-11-25 19:52:21,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26118 to 26010. [2021-11-25 19:52:21,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26010 states, 15095 states have (on average 1.2827426300099372) internal successors, (19363), 15676 states have internal predecessors, (19363), 9313 states have call successors, (9313), 1577 states have call predecessors, (9313), 1574 states have return successors, (9310), 9132 states have call predecessors, (9310), 9304 states have call successors, (9310) [2021-11-25 19:52:21,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26010 states to 26010 states and 37986 transitions. [2021-11-25 19:52:21,941 INFO L78 Accepts]: Start accepts. Automaton has 26010 states and 37986 transitions. Word has length 90 [2021-11-25 19:52:21,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:52:21,941 INFO L470 AbstractCegarLoop]: Abstraction has 26010 states and 37986 transitions. [2021-11-25 19:52:21,941 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-25 19:52:21,942 INFO L276 IsEmpty]: Start isEmpty. Operand 26010 states and 37986 transitions. [2021-11-25 19:52:21,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-25 19:52:21,944 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:52:21,944 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] [2021-11-25 19:52:21,945 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-25 19:52:21,945 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)] === [2021-11-25 19:52:21,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:52:21,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1503099061, now seen corresponding path program 1 times [2021-11-25 19:52:21,946 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:52:21,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304312305] [2021-11-25 19:52:21,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:52:21,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:52:22,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:52:22,564 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-25 19:52:22,564 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:52:22,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304312305] [2021-11-25 19:52:22,565 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304312305] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:52:22,565 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:52:22,565 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 19:52:22,565 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820993665] [2021-11-25 19:52:22,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:52:22,566 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 19:52:22,566 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:52:22,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 19:52:22,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:52:22,567 INFO L87 Difference]: Start difference. First operand 26010 states and 37986 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) [2021-11-25 19:52:26,795 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:52:34,623 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:52:38,289 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:52:41,479 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:52:42,948 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:52:44,178 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:52:49,356 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:52:52,897 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:52:55,146 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:52:59,698 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-25 19:53:00,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:53:00,338 INFO L93 Difference]: Finished difference Result 40720 states and 59071 transitions. [2021-11-25 19:53:00,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-25 19:53:00,338 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 [2021-11-25 19:53:00,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:53:00,482 INFO L225 Difference]: With dead ends: 40720 [2021-11-25 19:53:00,483 INFO L226 Difference]: Without dead ends: 40718 [2021-11-25 19:53:00,497 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-25 19:53:00,497 INFO L933 BasicCegarLoop]: 7971 mSDtfsCounter, 6511 mSDsluCounter, 24425 mSDsCounter, 0 mSdLazyCounter, 3225 mSolverCounterSat, 3 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6523 SdHoareTripleChecker+Valid, 30000 SdHoareTripleChecker+Invalid, 3235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 3225 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.8s IncrementalHoareTripleChecker+Time [2021-11-25 19:53:00,498 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6523 Valid, 30000 Invalid, 3235 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 3225 Invalid, 7 Unknown, 0 Unchecked, 35.8s Time] [2021-11-25 19:53:00,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40718 states. [2021-11-25 19:53:02,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40718 to 40417. [2021-11-25 19:53:02,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40417 states, 23446 states have (on average 1.2814979100912736) internal successors, (30046), 24351 states have internal predecessors, (30046), 14339 states have call successors, (14339), 2619 states have call predecessors, (14339), 2604 states have return successors, (14343), 14013 states have call predecessors, (14343), 14324 states have call successors, (14343) [2021-11-25 19:53:02,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40417 states to 40417 states and 58728 transitions. [2021-11-25 19:53:02,921 INFO L78 Accepts]: Start accepts. Automaton has 40417 states and 58728 transitions. Word has length 102 [2021-11-25 19:53:02,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:53:02,922 INFO L470 AbstractCegarLoop]: Abstraction has 40417 states and 58728 transitions. [2021-11-25 19:53:02,922 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) [2021-11-25 19:53:02,922 INFO L276 IsEmpty]: Start isEmpty. Operand 40417 states and 58728 transitions. [2021-11-25 19:53:02,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-25 19:53:02,924 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:53:02,924 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:53:02,924 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-25 19:53:02,924 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)] === [2021-11-25 19:53:02,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:53:02,925 INFO L85 PathProgramCache]: Analyzing trace with hash -282353905, now seen corresponding path program 1 times [2021-11-25 19:53:02,925 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:53:02,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598383919] [2021-11-25 19:53:02,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:53:02,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:53:03,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:53:03,423 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-25 19:53:03,423 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:53:03,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598383919] [2021-11-25 19:53:03,423 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598383919] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:53:03,424 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:53:03,424 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:53:03,424 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325020422] [2021-11-25 19:53:03,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:53:03,426 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:53:03,426 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:53:03,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:53:03,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:53:03,427 INFO L87 Difference]: Start difference. First operand 40417 states and 58728 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-25 19:53:07,926 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:53:14,452 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:53:18,221 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:53:20,835 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:53:22,314 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:53:27,655 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:53:30,735 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 [] [2021-11-25 19:53:32,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:53:32,882 INFO L93 Difference]: Finished difference Result 40540 states and 58856 transitions. [2021-11-25 19:53:32,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 19:53:32,883 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 [2021-11-25 19:53:32,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:53:33,003 INFO L225 Difference]: With dead ends: 40540 [2021-11-25 19:53:33,003 INFO L226 Difference]: Without dead ends: 40538 [2021-11-25 19:53:33,019 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:53:33,020 INFO L933 BasicCegarLoop]: 8135 mSDtfsCounter, 6924 mSDsluCounter, 15929 mSDsCounter, 0 mSdLazyCounter, 2427 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6930 SdHoareTripleChecker+Valid, 22464 SdHoareTripleChecker+Invalid, 2433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2427 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.9s IncrementalHoareTripleChecker+Time [2021-11-25 19:53:33,020 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6930 Valid, 22464 Invalid, 2433 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2427 Invalid, 5 Unknown, 0 Unchecked, 27.9s Time] [2021-11-25 19:53:33,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40538 states. [2021-11-25 19:53:35,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40538 to 40350. [2021-11-25 19:53:35,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40350 states, 23406 states have (on average 1.2818935315731008) internal successors, (30004), 24309 states have internal predecessors, (30004), 14326 states have call successors, (14326), 2605 states have call predecessors, (14326), 2590 states have return successors, (14330), 14000 states have call predecessors, (14330), 14311 states have call successors, (14330) [2021-11-25 19:53:35,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40350 states to 40350 states and 58660 transitions. [2021-11-25 19:53:35,673 INFO L78 Accepts]: Start accepts. Automaton has 40350 states and 58660 transitions. Word has length 95 [2021-11-25 19:53:35,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:53:35,674 INFO L470 AbstractCegarLoop]: Abstraction has 40350 states and 58660 transitions. [2021-11-25 19:53:35,674 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) [2021-11-25 19:53:35,674 INFO L276 IsEmpty]: Start isEmpty. Operand 40350 states and 58660 transitions. [2021-11-25 19:53:35,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-25 19:53:35,677 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:53:35,678 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] [2021-11-25 19:53:35,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-25 19:53:35,678 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)] === [2021-11-25 19:53:35,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:53:35,679 INFO L85 PathProgramCache]: Analyzing trace with hash -1926793658, now seen corresponding path program 1 times [2021-11-25 19:53:35,679 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:53:35,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989675305] [2021-11-25 19:53:35,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:53:35,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:53:35,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:53:36,176 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-25 19:53:36,176 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:53:36,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989675305] [2021-11-25 19:53:36,177 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989675305] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:53:36,177 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:53:36,177 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:53:36,181 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517183500] [2021-11-25 19:53:36,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:53:36,182 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:53:36,182 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:53:36,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:53:36,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:53:36,183 INFO L87 Difference]: Start difference. First operand 40350 states and 58660 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) [2021-11-25 19:53:39,650 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:53:45,549 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:53:48,321 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:53:50,577 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:54:00,293 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-25 19:54:02,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:54:02,591 INFO L93 Difference]: Finished difference Result 40463 states and 58775 transitions. [2021-11-25 19:54:02,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 19:54:02,592 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 [2021-11-25 19:54:02,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:54:02,713 INFO L225 Difference]: With dead ends: 40463 [2021-11-25 19:54:02,714 INFO L226 Difference]: Without dead ends: 40461 [2021-11-25 19:54:02,731 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:54:02,732 INFO L933 BasicCegarLoop]: 8080 mSDtfsCounter, 6933 mSDsluCounter, 15870 mSDsCounter, 0 mSdLazyCounter, 2416 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6937 SdHoareTripleChecker+Valid, 22354 SdHoareTripleChecker+Invalid, 2421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2416 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.8s IncrementalHoareTripleChecker+Time [2021-11-25 19:54:02,732 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6937 Valid, 22354 Invalid, 2421 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2416 Invalid, 4 Unknown, 0 Unchecked, 24.8s Time] [2021-11-25 19:54:02,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40461 states. [2021-11-25 19:54:04,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40461 to 40361. [2021-11-25 19:54:05,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40361 states, 23412 states have (on average 1.2818640013668203) internal successors, (30011), 24315 states have internal predecessors, (30011), 14329 states have call successors, (14329), 2607 states have call predecessors, (14329), 2592 states have return successors, (14333), 14003 states have call predecessors, (14333), 14314 states have call successors, (14333) [2021-11-25 19:54:05,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40361 states to 40361 states and 58673 transitions. [2021-11-25 19:54:05,174 INFO L78 Accepts]: Start accepts. Automaton has 40361 states and 58673 transitions. Word has length 100 [2021-11-25 19:54:05,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:54:05,175 INFO L470 AbstractCegarLoop]: Abstraction has 40361 states and 58673 transitions. [2021-11-25 19:54:05,175 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) [2021-11-25 19:54:05,175 INFO L276 IsEmpty]: Start isEmpty. Operand 40361 states and 58673 transitions. [2021-11-25 19:54:05,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-25 19:54:05,179 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:54:05,179 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] [2021-11-25 19:54:05,180 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-25 19:54:05,180 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)] === [2021-11-25 19:54:05,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:54:05,181 INFO L85 PathProgramCache]: Analyzing trace with hash 936529451, now seen corresponding path program 1 times [2021-11-25 19:54:05,181 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:54:05,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210563812] [2021-11-25 19:54:05,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:54:05,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:54:05,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:54:05,649 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-25 19:54:05,649 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:54:05,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210563812] [2021-11-25 19:54:05,650 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210563812] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:54:05,650 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:54:05,650 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:54:05,650 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770675126] [2021-11-25 19:54:05,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:54:05,651 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:54:05,651 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:54:05,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:54:05,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:54:05,652 INFO L87 Difference]: Start difference. First operand 40361 states and 58673 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) [2021-11-25 19:54:10,216 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:54:14,593 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:54:17,958 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:54:21,299 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:54:23,143 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:54:24,321 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:54:26,228 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:54:31,250 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:54:35,629 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 [] [2021-11-25 19:54:37,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:54:37,550 INFO L93 Difference]: Finished difference Result 40465 states and 58778 transitions. [2021-11-25 19:54:37,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 19:54:37,551 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 [2021-11-25 19:54:37,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:54:37,726 INFO L225 Difference]: With dead ends: 40465 [2021-11-25 19:54:37,726 INFO L226 Difference]: Without dead ends: 40463 [2021-11-25 19:54:37,748 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:54:37,749 INFO L933 BasicCegarLoop]: 8080 mSDtfsCounter, 6929 mSDsluCounter, 15869 mSDsCounter, 0 mSdLazyCounter, 2414 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6935 SdHoareTripleChecker+Valid, 22354 SdHoareTripleChecker+Invalid, 2420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2414 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.2s IncrementalHoareTripleChecker+Time [2021-11-25 19:54:37,750 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6935 Valid, 22354 Invalid, 2420 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2414 Invalid, 5 Unknown, 0 Unchecked, 30.2s Time] [2021-11-25 19:54:37,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40463 states. [2021-11-25 19:54:40,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40463 to 40367. [2021-11-25 19:54:40,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40367 states, 23415 states have (on average 1.281827888105915) internal successors, (30014), 24318 states have internal predecessors, (30014), 14331 states have call successors, (14331), 2608 states have call predecessors, (14331), 2593 states have return successors, (14335), 14005 states have call predecessors, (14335), 14316 states have call successors, (14335) [2021-11-25 19:54:40,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40367 states to 40367 states and 58680 transitions. [2021-11-25 19:54:40,315 INFO L78 Accepts]: Start accepts. Automaton has 40367 states and 58680 transitions. Word has length 105 [2021-11-25 19:54:40,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:54:40,315 INFO L470 AbstractCegarLoop]: Abstraction has 40367 states and 58680 transitions. [2021-11-25 19:54:40,315 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) [2021-11-25 19:54:40,316 INFO L276 IsEmpty]: Start isEmpty. Operand 40367 states and 58680 transitions. [2021-11-25 19:54:40,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-25 19:54:40,319 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:54:40,319 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] [2021-11-25 19:54:40,319 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-25 19:54:40,319 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)] === [2021-11-25 19:54:40,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:54:40,320 INFO L85 PathProgramCache]: Analyzing trace with hash -162667763, now seen corresponding path program 1 times [2021-11-25 19:54:40,320 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:54:40,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481028382] [2021-11-25 19:54:40,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:54:40,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:54:40,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:54:41,019 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-25 19:54:41,019 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:54:41,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481028382] [2021-11-25 19:54:41,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481028382] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:54:41,020 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:54:41,020 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 19:54:41,020 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969547910] [2021-11-25 19:54:41,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:54:41,022 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 19:54:41,022 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:54:41,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 19:54:41,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:54:41,023 INFO L87 Difference]: Start difference. First operand 40367 states and 58680 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) [2021-11-25 19:54:46,464 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:54:52,230 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:54:56,037 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:54:58,481 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:55:00,147 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:55:03,741 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:55:09,264 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:55:11,542 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:55:13,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:55:13,488 INFO L93 Difference]: Finished difference Result 45836 states and 65975 transitions. [2021-11-25 19:55:13,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-25 19:55:13,489 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 [2021-11-25 19:55:13,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:55:13,629 INFO L225 Difference]: With dead ends: 45836 [2021-11-25 19:55:13,629 INFO L226 Difference]: Without dead ends: 45834 [2021-11-25 19:55:13,649 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-25 19:55:13,650 INFO L933 BasicCegarLoop]: 7446 mSDtfsCounter, 5910 mSDsluCounter, 21533 mSDsCounter, 0 mSdLazyCounter, 3098 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5917 SdHoareTripleChecker+Valid, 26738 SdHoareTripleChecker+Invalid, 3105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 3098 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.4s IncrementalHoareTripleChecker+Time [2021-11-25 19:55:13,650 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5917 Valid, 26738 Invalid, 3105 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 3098 Invalid, 4 Unknown, 0 Unchecked, 30.4s Time] [2021-11-25 19:55:13,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45834 states. [2021-11-25 19:55:16,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45834 to 45588. [2021-11-25 19:55:16,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45588 states, 26422 states have (on average 1.2791234577246233) internal successors, (33797), 27490 states have internal predecessors, (33797), 15912 states have call successors, (15912), 3270 states have call predecessors, (15912), 3226 states have return successors, (15966), 15470 states have call predecessors, (15966), 15897 states have call successors, (15966) [2021-11-25 19:55:16,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45588 states to 45588 states and 65675 transitions. [2021-11-25 19:55:16,377 INFO L78 Accepts]: Start accepts. Automaton has 45588 states and 65675 transitions. Word has length 121 [2021-11-25 19:55:16,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:55:16,378 INFO L470 AbstractCegarLoop]: Abstraction has 45588 states and 65675 transitions. [2021-11-25 19:55:16,378 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) [2021-11-25 19:55:16,378 INFO L276 IsEmpty]: Start isEmpty. Operand 45588 states and 65675 transitions. [2021-11-25 19:55:16,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-25 19:55:16,382 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:55:16,382 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] [2021-11-25 19:55:16,383 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-25 19:55:16,383 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)] === [2021-11-25 19:55:16,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:55:16,384 INFO L85 PathProgramCache]: Analyzing trace with hash -1312755740, now seen corresponding path program 1 times [2021-11-25 19:55:16,384 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:55:16,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297643397] [2021-11-25 19:55:16,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:55:16,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:55:16,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:55:16,883 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-25 19:55:16,884 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:55:16,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297643397] [2021-11-25 19:55:16,884 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297643397] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:55:16,884 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:55:16,885 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:55:16,885 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3106054] [2021-11-25 19:55:16,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:55:16,887 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:55:16,887 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:55:16,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:55:16,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:55:16,888 INFO L87 Difference]: Start difference. First operand 45588 states and 65675 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) [2021-11-25 19:55:21,226 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:55:27,272 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:55:31,488 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:55:33,912 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:55:36,133 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:55:37,278 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:55:38,466 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:55:46,308 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:55:49,236 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-25 19:55:52,024 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:55:53,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:55:53,058 INFO L93 Difference]: Finished difference Result 45704 states and 65791 transitions. [2021-11-25 19:55:53,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 19:55:53,058 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 [2021-11-25 19:55:53,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:55:53,201 INFO L225 Difference]: With dead ends: 45704 [2021-11-25 19:55:53,201 INFO L226 Difference]: Without dead ends: 45702 [2021-11-25 19:55:53,223 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:55:53,223 INFO L933 BasicCegarLoop]: 8710 mSDtfsCounter, 6514 mSDsluCounter, 16603 mSDsCounter, 0 mSdLazyCounter, 2624 mSolverCounterSat, 1 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6520 SdHoareTripleChecker+Valid, 23614 SdHoareTripleChecker+Invalid, 2633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2624 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:55:53,224 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6520 Valid, 23614 Invalid, 2633 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2624 Invalid, 8 Unknown, 0 Unchecked, 34.3s Time] [2021-11-25 19:55:53,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45702 states. [2021-11-25 19:55:55,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45702 to 45616. [2021-11-25 19:55:55,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45616 states, 26439 states have (on average 1.2790196300919097) internal successors, (33816), 27507 states have internal predecessors, (33816), 15916 states have call successors, (15916), 3277 states have call predecessors, (15916), 3233 states have return successors, (15970), 15474 states have call predecessors, (15970), 15901 states have call successors, (15970) [2021-11-25 19:55:56,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45616 states to 45616 states and 65702 transitions. [2021-11-25 19:55:56,038 INFO L78 Accepts]: Start accepts. Automaton has 45616 states and 65702 transitions. Word has length 110 [2021-11-25 19:55:56,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:55:56,039 INFO L470 AbstractCegarLoop]: Abstraction has 45616 states and 65702 transitions. [2021-11-25 19:55:56,039 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) [2021-11-25 19:55:56,039 INFO L276 IsEmpty]: Start isEmpty. Operand 45616 states and 65702 transitions. [2021-11-25 19:55:56,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-25 19:55:56,043 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:55:56,043 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] [2021-11-25 19:55:56,043 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-25 19:55:56,043 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)] === [2021-11-25 19:55:56,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:55:56,044 INFO L85 PathProgramCache]: Analyzing trace with hash 20637658, now seen corresponding path program 1 times [2021-11-25 19:55:56,044 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:55:56,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158212516] [2021-11-25 19:55:56,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:55:56,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:55:56,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:55:56,556 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-11-25 19:55:56,556 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:55:56,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158212516] [2021-11-25 19:55:56,557 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158212516] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:55:56,557 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:55:56,557 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 19:55:56,557 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980782588] [2021-11-25 19:55:56,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:55:56,560 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 19:55:56,560 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:55:56,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 19:55:56,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:55:56,561 INFO L87 Difference]: Start difference. First operand 45616 states and 65702 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) [2021-11-25 19:56:00,918 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:56:09,167 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:56:11,328 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:56:13,488 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:56:17,388 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:56:20,123 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:56:22,353 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:56:25,130 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:56:27,231 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:56:30,952 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:56:34,110 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-25 19:56:35,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:56:35,476 INFO L93 Difference]: Finished difference Result 45698 states and 65763 transitions. [2021-11-25 19:56:35,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 19:56:35,476 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, (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) Word has length 121 [2021-11-25 19:56:35,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:56:35,615 INFO L225 Difference]: With dead ends: 45698 [2021-11-25 19:56:35,615 INFO L226 Difference]: Without dead ends: 45696 [2021-11-25 19:56:35,635 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-25 19:56:35,636 INFO L933 BasicCegarLoop]: 6225 mSDtfsCounter, 49 mSDsluCounter, 20986 mSDsCounter, 0 mSdLazyCounter, 3158 mSolverCounterSat, 1 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 24854 SdHoareTripleChecker+Invalid, 3167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3158 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.8s IncrementalHoareTripleChecker+Time [2021-11-25 19:56:35,636 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 24854 Invalid, 3167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3158 Invalid, 8 Unknown, 0 Unchecked, 36.8s Time] [2021-11-25 19:56:35,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45696 states. [2021-11-25 19:56:38,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45696 to 45696. [2021-11-25 19:56:38,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45696 states, 26489 states have (on average 1.2786062139001095) internal successors, (33869), 27557 states have internal predecessors, (33869), 15916 states have call successors, (15916), 3307 states have call predecessors, (15916), 3263 states have return successors, (15970), 15474 states have call predecessors, (15970), 15901 states have call successors, (15970) [2021-11-25 19:56:38,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45696 states to 45696 states and 65755 transitions. [2021-11-25 19:56:38,354 INFO L78 Accepts]: Start accepts. Automaton has 45696 states and 65755 transitions. Word has length 121 [2021-11-25 19:56:38,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:56:38,355 INFO L470 AbstractCegarLoop]: Abstraction has 45696 states and 65755 transitions. [2021-11-25 19:56:38,355 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, (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) [2021-11-25 19:56:38,355 INFO L276 IsEmpty]: Start isEmpty. Operand 45696 states and 65755 transitions. [2021-11-25 19:56:38,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-25 19:56:38,359 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:56:38,359 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, 1, 1, 1, 1, 1] [2021-11-25 19:56:38,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-25 19:56:38,360 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 19:56:38,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:56:38,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1604003759, now seen corresponding path program 1 times [2021-11-25 19:56:38,360 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:56:38,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016050678] [2021-11-25 19:56:38,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:56:38,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:56:38,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:56:38,832 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-25 19:56:38,832 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:56:38,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016050678] [2021-11-25 19:56:38,833 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016050678] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:56:38,833 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:56:38,833 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:56:38,833 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101821186] [2021-11-25 19:56:38,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:56:38,834 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:56:38,834 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:56:38,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:56:38,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:56:38,835 INFO L87 Difference]: Start difference. First operand 45696 states and 65755 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-25 19:56:42,809 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:56:49,248 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:56:53,658 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:56:55,853 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:56:58,050 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:57:00,427 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []