./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 b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/bin/utaipan-g80aRyZoba/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_9988f679-1ddb-4c91-8342-ec1b11904ea9/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/bin/utaipan-g80aRyZoba --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e65ce0ca1630c9676f80f28ff5aee772276e1a4ab72beeeb2195c791073f2dc7 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 00:14:10,916 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 00:14:10,919 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 00:14:10,953 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 00:14:10,956 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 00:14:10,961 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 00:14:10,963 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 00:14:10,967 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 00:14:10,970 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 00:14:10,974 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 00:14:10,976 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 00:14:10,978 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 00:14:10,979 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 00:14:10,986 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 00:14:10,991 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 00:14:10,992 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 00:14:10,993 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 00:14:10,996 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 00:14:10,998 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 00:14:11,000 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 00:14:11,006 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 00:14:11,007 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 00:14:11,010 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 00:14:11,011 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 00:14:11,015 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 00:14:11,018 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 00:14:11,018 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 00:14:11,019 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 00:14:11,021 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 00:14:11,023 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 00:14:11,025 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 00:14:11,026 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 00:14:11,027 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 00:14:11,029 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 00:14:11,030 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 00:14:11,030 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 00:14:11,031 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 00:14:11,031 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 00:14:11,031 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 00:14:11,032 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 00:14:11,033 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 00:14:11,034 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 00:14:11,056 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 00:14:11,056 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 00:14:11,056 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 00:14:11,056 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 00:14:11,057 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 00:14:11,057 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 00:14:11,058 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 00:14:11,058 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 00:14:11,058 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 00:14:11,058 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 00:14:11,058 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 00:14:11,059 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 00:14:11,059 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 00:14:11,059 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 00:14:11,059 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 00:14:11,060 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 00:14:11,060 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 00:14:11,060 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 00:14:11,061 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 00:14:11,061 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 00:14:11,061 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 00:14:11,061 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 00:14:11,061 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 00:14:11,062 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 00:14:11,062 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 00:14:11,062 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 00:14:11,062 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 00:14:11,063 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 00:14:11,063 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 00:14:11,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:14:11,063 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 00:14:11,063 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 00:14:11,064 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 00:14:11,064 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 00:14:11,064 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 00:14:11,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 00:14:11,064 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 00:14:11,065 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 00:14:11,065 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/bin/utaipan-g80aRyZoba/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e65ce0ca1630c9676f80f28ff5aee772276e1a4ab72beeeb2195c791073f2dc7 [2022-11-22 00:14:11,348 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 00:14:11,377 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 00:14:11,380 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 00:14:11,381 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 00:14:11,382 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 00:14:11,383 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i [2022-11-22 00:14:14,477 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 00:14:15,397 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 00:14:15,398 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i [2022-11-22 00:14:15,493 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/bin/utaipan-g80aRyZoba/data/0308c5873/f2167c12b2ad42049242e2c45857c7f7/FLAG520962395 [2022-11-22 00:14:15,546 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/bin/utaipan-g80aRyZoba/data/0308c5873/f2167c12b2ad42049242e2c45857c7f7 [2022-11-22 00:14:15,549 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 00:14:15,550 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 00:14:15,551 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 00:14:15,551 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 00:14:15,571 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 00:14:15,572 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:14:15" (1/1) ... [2022-11-22 00:14:15,573 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e8f1c58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:14:15, skipping insertion in model container [2022-11-22 00:14:15,573 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:14:15" (1/1) ... [2022-11-22 00:14:15,581 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 00:14:15,865 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 00:14:27,167 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[969751,969764] [2022-11-22 00:14:27,171 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[969896,969909] [2022-11-22 00:14:27,171 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[970042,970055] [2022-11-22 00:14:27,172 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[970207,970220] [2022-11-22 00:14:27,172 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[970365,970378] [2022-11-22 00:14:27,173 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[970523,970536] [2022-11-22 00:14:27,173 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[970681,970694] [2022-11-22 00:14:27,174 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[970841,970854] [2022-11-22 00:14:27,174 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971000,971013] [2022-11-22 00:14:27,175 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971139,971152] [2022-11-22 00:14:27,175 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971281,971294] [2022-11-22 00:14:27,176 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971430,971443] [2022-11-22 00:14:27,176 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971569,971582] [2022-11-22 00:14:27,177 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971724,971737] [2022-11-22 00:14:27,177 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971884,971897] [2022-11-22 00:14:27,177 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972035,972048] [2022-11-22 00:14:27,178 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972186,972199] [2022-11-22 00:14:27,178 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972338,972351] [2022-11-22 00:14:27,179 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972487,972500] [2022-11-22 00:14:27,179 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972635,972648] [2022-11-22 00:14:27,180 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972792,972805] [2022-11-22 00:14:27,180 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972941,972954] [2022-11-22 00:14:27,181 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973097,973110] [2022-11-22 00:14:27,181 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973250,973263] [2022-11-22 00:14:27,182 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973396,973409] [2022-11-22 00:14:27,182 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973539,973552] [2022-11-22 00:14:27,182 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973691,973704] [2022-11-22 00:14:27,183 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973837,973850] [2022-11-22 00:14:27,183 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973982,973995] [2022-11-22 00:14:27,184 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[974136,974149] [2022-11-22 00:14:27,184 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[974287,974300] [2022-11-22 00:14:27,185 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[974442,974455] [2022-11-22 00:14:27,185 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[974594,974607] [2022-11-22 00:14:27,186 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[974749,974762] [2022-11-22 00:14:27,186 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[974913,974926] [2022-11-22 00:14:27,186 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[975069,975082] [2022-11-22 00:14:27,187 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[975233,975246] [2022-11-22 00:14:27,187 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[975375,975388] [2022-11-22 00:14:27,188 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[975533,975546] [2022-11-22 00:14:27,188 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[975700,975713] [2022-11-22 00:14:27,189 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[975859,975872] [2022-11-22 00:14:27,189 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976018,976031] [2022-11-22 00:14:27,190 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976167,976180] [2022-11-22 00:14:27,190 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976314,976327] [2022-11-22 00:14:27,190 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976453,976466] [2022-11-22 00:14:27,191 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976616,976629] [2022-11-22 00:14:27,191 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976782,976795] [2022-11-22 00:14:27,192 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976946,976959] [2022-11-22 00:14:27,192 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[977111,977124] [2022-11-22 00:14:27,193 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[977276,977289] [2022-11-22 00:14:27,193 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[977442,977455] [2022-11-22 00:14:27,194 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[977607,977620] [2022-11-22 00:14:27,194 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[977774,977787] [2022-11-22 00:14:27,195 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[977934,977947] [2022-11-22 00:14:27,195 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978096,978109] [2022-11-22 00:14:27,195 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978255,978268] [2022-11-22 00:14:27,196 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978401,978414] [2022-11-22 00:14:27,196 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978544,978557] [2022-11-22 00:14:27,197 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978688,978701] [2022-11-22 00:14:27,197 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978831,978844] [2022-11-22 00:14:27,198 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978975,978988] [2022-11-22 00:14:27,198 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[979116,979129] [2022-11-22 00:14:27,199 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[979254,979267] [2022-11-22 00:14:27,199 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[979412,979425] [2022-11-22 00:14:27,199 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[979571,979584] [2022-11-22 00:14:27,200 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[979727,979740] [2022-11-22 00:14:27,200 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[979876,979889] [2022-11-22 00:14:27,201 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980028,980041] [2022-11-22 00:14:27,201 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980179,980192] [2022-11-22 00:14:27,202 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980328,980341] [2022-11-22 00:14:27,202 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980480,980493] [2022-11-22 00:14:27,203 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980628,980641] [2022-11-22 00:14:27,203 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980781,980794] [2022-11-22 00:14:27,204 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980932,980945] [2022-11-22 00:14:27,204 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[981082,981095] [2022-11-22 00:14:27,204 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[981229,981242] [2022-11-22 00:14:27,205 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[981380,981393] [2022-11-22 00:14:27,205 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[981531,981544] [2022-11-22 00:14:27,206 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[981679,981692] [2022-11-22 00:14:27,206 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[981845,981858] [2022-11-22 00:14:27,207 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982014,982027] [2022-11-22 00:14:27,207 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982181,982194] [2022-11-22 00:14:27,207 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982349,982362] [2022-11-22 00:14:27,208 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982499,982512] [2022-11-22 00:14:27,208 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982646,982659] [2022-11-22 00:14:27,209 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982807,982820] [2022-11-22 00:14:27,209 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982977,982990] [2022-11-22 00:14:27,210 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[983139,983152] [2022-11-22 00:14:27,250 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:14:27,285 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 00:14:28,306 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[969751,969764] [2022-11-22 00:14:28,307 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[969896,969909] [2022-11-22 00:14:28,308 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[970042,970055] [2022-11-22 00:14:28,308 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[970207,970220] [2022-11-22 00:14:28,309 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[970365,970378] [2022-11-22 00:14:28,309 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[970523,970536] [2022-11-22 00:14:28,309 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[970681,970694] [2022-11-22 00:14:28,310 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[970841,970854] [2022-11-22 00:14:28,310 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971000,971013] [2022-11-22 00:14:28,311 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971139,971152] [2022-11-22 00:14:28,312 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971281,971294] [2022-11-22 00:14:28,313 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971430,971443] [2022-11-22 00:14:28,313 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971569,971582] [2022-11-22 00:14:28,314 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971724,971737] [2022-11-22 00:14:28,314 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971884,971897] [2022-11-22 00:14:28,315 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972035,972048] [2022-11-22 00:14:28,315 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972186,972199] [2022-11-22 00:14:28,315 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972338,972351] [2022-11-22 00:14:28,316 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972487,972500] [2022-11-22 00:14:28,317 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972635,972648] [2022-11-22 00:14:28,317 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972792,972805] [2022-11-22 00:14:28,317 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972941,972954] [2022-11-22 00:14:28,318 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973097,973110] [2022-11-22 00:14:28,318 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973250,973263] [2022-11-22 00:14:28,319 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973396,973409] [2022-11-22 00:14:28,320 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973539,973552] [2022-11-22 00:14:28,320 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973691,973704] [2022-11-22 00:14:28,321 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973837,973850] [2022-11-22 00:14:28,321 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973982,973995] [2022-11-22 00:14:28,322 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[974136,974149] [2022-11-22 00:14:28,322 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[974287,974300] [2022-11-22 00:14:28,323 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[974442,974455] [2022-11-22 00:14:28,323 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[974594,974607] [2022-11-22 00:14:28,324 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[974749,974762] [2022-11-22 00:14:28,324 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[974913,974926] [2022-11-22 00:14:28,325 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[975069,975082] [2022-11-22 00:14:28,325 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[975233,975246] [2022-11-22 00:14:28,326 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[975375,975388] [2022-11-22 00:14:28,327 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[975533,975546] [2022-11-22 00:14:28,327 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[975700,975713] [2022-11-22 00:14:28,328 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[975859,975872] [2022-11-22 00:14:28,329 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976018,976031] [2022-11-22 00:14:28,330 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976167,976180] [2022-11-22 00:14:28,330 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976314,976327] [2022-11-22 00:14:28,330 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976453,976466] [2022-11-22 00:14:28,331 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976616,976629] [2022-11-22 00:14:28,331 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976782,976795] [2022-11-22 00:14:28,332 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976946,976959] [2022-11-22 00:14:28,332 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[977111,977124] [2022-11-22 00:14:28,333 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[977276,977289] [2022-11-22 00:14:28,334 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[977442,977455] [2022-11-22 00:14:28,334 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[977607,977620] [2022-11-22 00:14:28,335 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[977774,977787] [2022-11-22 00:14:28,335 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[977934,977947] [2022-11-22 00:14:28,336 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978096,978109] [2022-11-22 00:14:28,337 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978255,978268] [2022-11-22 00:14:28,341 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978401,978414] [2022-11-22 00:14:28,342 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978544,978557] [2022-11-22 00:14:28,343 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978688,978701] [2022-11-22 00:14:28,343 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978831,978844] [2022-11-22 00:14:28,343 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978975,978988] [2022-11-22 00:14:28,345 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[979116,979129] [2022-11-22 00:14:28,350 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[979254,979267] [2022-11-22 00:14:28,351 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[979412,979425] [2022-11-22 00:14:28,351 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[979571,979584] [2022-11-22 00:14:28,356 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[979727,979740] [2022-11-22 00:14:28,356 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[979876,979889] [2022-11-22 00:14:28,356 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980028,980041] [2022-11-22 00:14:28,357 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980179,980192] [2022-11-22 00:14:28,357 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980328,980341] [2022-11-22 00:14:28,358 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980480,980493] [2022-11-22 00:14:28,358 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980628,980641] [2022-11-22 00:14:28,359 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980781,980794] [2022-11-22 00:14:28,360 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980932,980945] [2022-11-22 00:14:28,360 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[981082,981095] [2022-11-22 00:14:28,360 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[981229,981242] [2022-11-22 00:14:28,361 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[981380,981393] [2022-11-22 00:14:28,361 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[981531,981544] [2022-11-22 00:14:28,363 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[981679,981692] [2022-11-22 00:14:28,364 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[981845,981858] [2022-11-22 00:14:28,365 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982014,982027] [2022-11-22 00:14:28,365 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982181,982194] [2022-11-22 00:14:28,365 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982349,982362] [2022-11-22 00:14:28,366 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982499,982512] [2022-11-22 00:14:28,367 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982646,982659] [2022-11-22 00:14:28,367 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982807,982820] [2022-11-22 00:14:28,367 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982977,982990] [2022-11-22 00:14:28,368 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[983139,983152] [2022-11-22 00:14:28,379 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:14:29,174 INFO L208 MainTranslator]: Completed translation [2022-11-22 00:14:29,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:14:29 WrapperNode [2022-11-22 00:14:29,175 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 00:14:29,176 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 00:14:29,176 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 00:14:29,177 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 00:14:29,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:14:29" (1/1) ... [2022-11-22 00:14:29,536 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:14:29" (1/1) ... [2022-11-22 00:14:30,003 INFO L138 Inliner]: procedures = 1073, calls = 9782, calls flagged for inlining = 511, calls inlined = 406, statements flattened = 21083 [2022-11-22 00:14:30,004 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 00:14:30,005 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 00:14:30,005 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 00:14:30,005 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 00:14:30,016 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:14:29" (1/1) ... [2022-11-22 00:14:30,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:14:29" (1/1) ... [2022-11-22 00:14:30,116 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:14:29" (1/1) ... [2022-11-22 00:14:30,117 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:14:29" (1/1) ... [2022-11-22 00:14:30,625 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:14:29" (1/1) ... [2022-11-22 00:14:30,795 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:14:29" (1/1) ... [2022-11-22 00:14:30,995 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:14:29" (1/1) ... [2022-11-22 00:14:31,050 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:14:29" (1/1) ... [2022-11-22 00:14:31,217 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 00:14:31,234 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 00:14:31,235 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 00:14:31,235 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 00:14:31,236 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:14:29" (1/1) ... [2022-11-22 00:14:31,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:14:31,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:14:31,286 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 00:14:31,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 00:14:31,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_122 [2022-11-22 00:14:31,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_122 [2022-11-22 00:14:31,400 INFO L130 BoogieDeclarations]: Found specification of procedure free_io_sgl_handle [2022-11-22 00:14:31,400 INFO L138 BoogieDeclarations]: Found implementation of procedure free_io_sgl_handle [2022-11-22 00:14:31,400 INFO L130 BoogieDeclarations]: Found specification of procedure be_mbox_notify_wait [2022-11-22 00:14:31,400 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mbox_notify_wait [2022-11-22 00:14:31,400 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-11-22 00:14:31,400 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-11-22 00:14:31,400 INFO L130 BoogieDeclarations]: Found specification of procedure amap_get [2022-11-22 00:14:31,400 INFO L138 BoogieDeclarations]: Found implementation of procedure amap_get [2022-11-22 00:14:31,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-22 00:14:31,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-22 00:14:31,401 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-11-22 00:14:31,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-11-22 00:14:31,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-22 00:14:31,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-22 00:14:31,401 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_mcc_tag [2022-11-22 00:14:31,401 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_mcc_tag [2022-11-22 00:14:31,401 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-22 00:14:31,401 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-22 00:14:31,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_159 [2022-11-22 00:14:31,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_159 [2022-11-22 00:14:31,402 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-22 00:14:31,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-22 00:14:31,402 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2022-11-22 00:14:31,402 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2022-11-22 00:14:31,402 INFO L130 BoogieDeclarations]: Found specification of procedure swap_dws [2022-11-22 00:14:31,402 INFO L138 BoogieDeclarations]: Found implementation of procedure swap_dws [2022-11-22 00:14:31,403 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-22 00:14:31,403 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-22 00:14:31,403 INFO L130 BoogieDeclarations]: Found specification of procedure free_mcc_tag [2022-11-22 00:14:31,403 INFO L138 BoogieDeclarations]: Found implementation of procedure free_mcc_tag [2022-11-22 00:14:31,403 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_enable_intr [2022-11-22 00:14:31,403 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_enable_intr [2022-11-22 00:14:31,404 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_free_mem [2022-11-22 00:14:31,404 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_free_mem [2022-11-22 00:14:31,404 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_get_async_busy_list [2022-11-22 00:14:31,404 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_get_async_busy_list [2022-11-22 00:14:31,404 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-22 00:14:31,404 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-22 00:14:31,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-22 00:14:31,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-22 00:14:31,405 INFO L130 BoogieDeclarations]: Found specification of procedure __rounddown_pow_of_two [2022-11-22 00:14:31,405 INFO L138 BoogieDeclarations]: Found implementation of procedure __rounddown_pow_of_two [2022-11-22 00:14:31,405 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-22 00:14:31,405 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-22 00:14:31,405 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-22 00:14:31,405 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-22 00:14:31,406 INFO L130 BoogieDeclarations]: Found specification of procedure be_queue_free [2022-11-22 00:14:31,406 INFO L138 BoogieDeclarations]: Found implementation of procedure be_queue_free [2022-11-22 00:14:31,406 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-11-22 00:14:31,406 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-11-22 00:14:31,406 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-22 00:14:31,406 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-22 00:14:31,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-22 00:14:31,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-22 00:14:31,407 INFO L130 BoogieDeclarations]: Found specification of procedure index_inc [2022-11-22 00:14:31,407 INFO L138 BoogieDeclarations]: Found implementation of procedure index_inc [2022-11-22 00:14:31,407 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_mgmt_sgl_handle [2022-11-22 00:14:31,407 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_mgmt_sgl_handle [2022-11-22 00:14:31,407 INFO L130 BoogieDeclarations]: Found specification of procedure be_wrb_hdr_prepare [2022-11-22 00:14:31,408 INFO L138 BoogieDeclarations]: Found implementation of procedure be_wrb_hdr_prepare [2022-11-22 00:14:31,408 INFO L130 BoogieDeclarations]: Found specification of procedure pci_zalloc_consistent [2022-11-22 00:14:31,408 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_zalloc_consistent [2022-11-22 00:14:31,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-22 00:14:31,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-22 00:14:31,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 00:14:31,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-22 00:14:31,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-22 00:14:31,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_mgmt_sgl_lock_of_beiscsi_hba [2022-11-22 00:14:31,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_mgmt_sgl_lock_of_beiscsi_hba [2022-11-22 00:14:31,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-22 00:14:31,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-22 00:14:31,409 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_set_static_ip [2022-11-22 00:14:31,410 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_set_static_ip [2022-11-22 00:14:31,410 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-22 00:14:31,410 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-22 00:14:31,410 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-11-22 00:14:31,410 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-11-22 00:14:31,410 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-22 00:14:31,411 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-22 00:14:31,411 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-22 00:14:31,411 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-22 00:14:31,411 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-11-22 00:14:31,411 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-11-22 00:14:31,411 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_target [2022-11-22 00:14:31,411 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_target [2022-11-22 00:14:31,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-22 00:14:31,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-22 00:14:31,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_check_return_value_probe [2022-11-22 00:14:31,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_check_return_value_probe [2022-11-22 00:14:31,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 00:14:31,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-11-22 00:14:31,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2022-11-22 00:14:31,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_check_return_value_probe [2022-11-22 00:14:31,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_check_return_value_probe [2022-11-22 00:14:31,426 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-22 00:14:31,426 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-22 00:14:31,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 00:14:31,427 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_task_xmit [2022-11-22 00:14:31,427 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_task_xmit [2022-11-22 00:14:31,427 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_conn_start [2022-11-22 00:14:31,427 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_conn_start [2022-11-22 00:14:31,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-22 00:14:31,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-22 00:14:31,428 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-22 00:14:31,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-22 00:14:31,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_166 [2022-11-22 00:14:31,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_166 [2022-11-22 00:14:31,428 INFO L130 BoogieDeclarations]: Found specification of procedure fls_long [2022-11-22 00:14:31,428 INFO L138 BoogieDeclarations]: Found implementation of procedure fls_long [2022-11-22 00:14:31,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 00:14:31,429 INFO L130 BoogieDeclarations]: Found specification of procedure nonembedded_sgl [2022-11-22 00:14:31,429 INFO L138 BoogieDeclarations]: Found implementation of procedure nonembedded_sgl [2022-11-22 00:14:31,429 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-11-22 00:14:31,429 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-11-22 00:14:31,429 INFO L130 BoogieDeclarations]: Found specification of procedure queue_tail_inc [2022-11-22 00:14:31,429 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_tail_inc [2022-11-22 00:14:31,430 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_modify_gateway [2022-11-22 00:14:31,430 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_modify_gateway [2022-11-22 00:14:31,430 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2022-11-22 00:14:31,430 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2022-11-22 00:14:31,430 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_get_all_if_id [2022-11-22 00:14:31,430 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_get_all_if_id [2022-11-22 00:14:31,430 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_clean_port [2022-11-22 00:14:31,431 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_clean_port [2022-11-22 00:14:31,431 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_cmd_cq_create [2022-11-22 00:14:31,431 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_cmd_cq_create [2022-11-22 00:14:31,431 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-22 00:14:31,431 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-22 00:14:31,431 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_host_remove [2022-11-22 00:14:31,431 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_host_remove [2022-11-22 00:14:31,432 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_log_enable_store [2022-11-22 00:14:31,432 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_log_enable_store [2022-11-22 00:14:31,432 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-22 00:14:31,432 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-22 00:14:31,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 00:14:31,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 00:14:31,432 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-22 00:14:31,432 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-22 00:14:31,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-22 00:14:31,433 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_cleanup [2022-11-22 00:14:31,433 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_cleanup [2022-11-22 00:14:31,433 INFO L130 BoogieDeclarations]: Found specification of procedure is_link_state_evt [2022-11-22 00:14:31,433 INFO L138 BoogieDeclarations]: Found implementation of procedure is_link_state_evt [2022-11-22 00:14:31,433 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-11-22 00:14:31,433 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-11-22 00:14:31,434 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_invalidate_icds [2022-11-22 00:14:31,434 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_invalidate_icds [2022-11-22 00:14:31,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-22 00:14:31,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-22 00:14:31,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_135 [2022-11-22 00:14:31,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_135 [2022-11-22 00:14:31,434 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_target_alloc [2022-11-22 00:14:31,435 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_target_alloc [2022-11-22 00:14:31,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-22 00:14:31,435 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-22 00:14:31,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2022-11-22 00:14:31,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2022-11-22 00:14:31,435 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_set_vlan [2022-11-22 00:14:31,435 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_set_vlan [2022-11-22 00:14:31,435 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_update_async_writables [2022-11-22 00:14:31,436 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_update_async_writables [2022-11-22 00:14:31,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-22 00:14:31,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-22 00:14:31,436 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-22 00:14:31,452 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-22 00:14:31,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-22 00:14:31,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-22 00:14:31,453 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-22 00:14:31,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-22 00:14:31,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-22 00:14:31,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-22 00:14:31,453 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_session_recovery_timedout [2022-11-22 00:14:31,453 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_session_recovery_timedout [2022-11-22 00:14:31,453 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_unregister_transport [2022-11-22 00:14:31,453 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_unregister_transport [2022-11-22 00:14:31,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 00:14:31,453 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-22 00:14:31,453 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-22 00:14:31,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-22 00:14:31,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-22 00:14:31,454 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_remove [2022-11-22 00:14:31,454 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_remove [2022-11-22 00:14:31,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 00:14:31,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_121 [2022-11-22 00:14:31,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_121 [2022-11-22 00:14:31,454 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_get_gateway [2022-11-22 00:14:31,454 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_get_gateway [2022-11-22 00:14:31,454 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_get_if_info [2022-11-22 00:14:31,454 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_get_if_info [2022-11-22 00:14:31,454 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_wrb_handle [2022-11-22 00:14:31,454 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_wrb_handle [2022-11-22 00:14:31,454 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2022-11-22 00:14:31,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2022-11-22 00:14:31,455 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2022-11-22 00:14:31,455 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2022-11-22 00:14:31,455 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-22 00:14:31,455 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-22 00:14:31,455 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-22 00:14:31,455 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-22 00:14:31,455 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_set_ip [2022-11-22 00:14:31,455 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_set_ip [2022-11-22 00:14:31,455 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_ring_cq_db [2022-11-22 00:14:31,455 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_ring_cq_db [2022-11-22 00:14:31,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-22 00:14:31,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-22 00:14:31,456 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_format_mac [2022-11-22 00:14:31,456 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_format_mac [2022-11-22 00:14:31,456 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-22 00:14:31,456 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-22 00:14:31,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-22 00:14:31,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-22 00:14:31,456 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_get_async_handle [2022-11-22 00:14:31,456 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_get_async_handle [2022-11-22 00:14:31,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-22 00:14:31,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-22 00:14:31,456 INFO L130 BoogieDeclarations]: Found specification of procedure be_mbox_db_ready_wait [2022-11-22 00:14:31,456 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mbox_db_ready_wait [2022-11-22 00:14:31,457 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2022-11-22 00:14:31,457 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2022-11-22 00:14:31,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 00:14:31,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-22 00:14:31,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-22 00:14:31,457 INFO L130 BoogieDeclarations]: Found specification of procedure find_num_cpus [2022-11-22 00:14:31,457 INFO L138 BoogieDeclarations]: Found implementation of procedure find_num_cpus [2022-11-22 00:14:31,457 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2022-11-22 00:14:31,457 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2022-11-22 00:14:31,457 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_ring_eq_db [2022-11-22 00:14:31,457 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_ring_eq_db [2022-11-22 00:14:31,457 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-22 00:14:31,457 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-22 00:14:31,458 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_host_free [2022-11-22 00:14:31,458 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_host_free [2022-11-22 00:14:31,458 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_create_ipv4_iface [2022-11-22 00:14:31,458 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_create_ipv4_iface [2022-11-22 00:14:31,458 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_shost [2022-11-22 00:14:31,458 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_shost [2022-11-22 00:14:31,458 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-22 00:14:31,458 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-22 00:14:31,459 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_destroy_endpoint [2022-11-22 00:14:31,460 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_destroy_endpoint [2022-11-22 00:14:31,460 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_conn_teardown [2022-11-22 00:14:31,460 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_conn_teardown [2022-11-22 00:14:31,460 INFO L130 BoogieDeclarations]: Found specification of procedure blk_iopoll_sched [2022-11-22 00:14:31,460 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_iopoll_sched [2022-11-22 00:14:31,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_121 [2022-11-22 00:14:31,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_121 [2022-11-22 00:14:31,461 INFO L130 BoogieDeclarations]: Found specification of procedure amap_mask [2022-11-22 00:14:31,461 INFO L138 BoogieDeclarations]: Found implementation of procedure amap_mask [2022-11-22 00:14:31,461 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_create_ipv6_iface [2022-11-22 00:14:31,461 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_create_ipv6_iface [2022-11-22 00:14:31,461 INFO L130 BoogieDeclarations]: Found specification of procedure be_encoded_q_len [2022-11-22 00:14:31,461 INFO L138 BoogieDeclarations]: Found implementation of procedure be_encoded_q_len [2022-11-22 00:14:31,461 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_fwd_async_msg [2022-11-22 00:14:31,461 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_fwd_async_msg [2022-11-22 00:14:31,462 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_static_ip_modify [2022-11-22 00:14:31,462 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_static_ip_modify [2022-11-22 00:14:31,462 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-11-22 00:14:31,462 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-11-22 00:14:31,462 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-11-22 00:14:31,462 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2022-11-22 00:14:31,462 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2022-11-22 00:14:31,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_isr_lock_of_beiscsi_hba [2022-11-22 00:14:31,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_isr_lock_of_beiscsi_hba [2022-11-22 00:14:31,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-22 00:14:31,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-22 00:14:31,478 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_compl_use [2022-11-22 00:14:31,479 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_compl_use [2022-11-22 00:14:31,479 INFO L130 BoogieDeclarations]: Found specification of procedure __iscsi_complete_pdu [2022-11-22 00:14:31,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __iscsi_complete_pdu [2022-11-22 00:14:31,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-22 00:14:31,479 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-22 00:14:31,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-22 00:14:31,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-22 00:14:31,480 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_purge_eq [2022-11-22 00:14:31,480 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_purge_eq [2022-11-22 00:14:31,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_165 [2022-11-22 00:14:31,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_165 [2022-11-22 00:14:31,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_remap [2022-11-22 00:14:31,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_remap [2022-11-22 00:14:31,480 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-22 00:14:31,481 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-22 00:14:31,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_158 [2022-11-22 00:14:31,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_158 [2022-11-22 00:14:31,481 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_compl_is_new [2022-11-22 00:14:31,481 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_compl_is_new [2022-11-22 00:14:31,481 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_exec_nonemb_cmd [2022-11-22 00:14:31,481 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_exec_nonemb_cmd [2022-11-22 00:14:31,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-22 00:14:31,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-22 00:14:31,482 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2022-11-22 00:14:31,482 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2022-11-22 00:14:31,482 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_ue_detect [2022-11-22 00:14:31,482 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_ue_detect [2022-11-22 00:14:31,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-22 00:14:31,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-22 00:14:31,483 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-22 00:14:31,483 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-22 00:14:31,483 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_eh_device_reset [2022-11-22 00:14:31,483 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_eh_device_reset [2022-11-22 00:14:31,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-22 00:14:31,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-22 00:14:31,483 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-22 00:14:31,483 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-22 00:14:31,484 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_page_addrs_prepare [2022-11-22 00:14:31,484 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_page_addrs_prepare [2022-11-22 00:14:31,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-22 00:14:31,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-22 00:14:31,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-22 00:14:31,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-22 00:14:31,484 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_cmd_reset_function [2022-11-22 00:14:31,485 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_cmd_reset_function [2022-11-22 00:14:31,485 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_eeh_resume [2022-11-22 00:14:31,485 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_eeh_resume [2022-11-22 00:14:31,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 00:14:31,485 INFO L130 BoogieDeclarations]: Found specification of procedure nla_find [2022-11-22 00:14:31,485 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_find [2022-11-22 00:14:31,485 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_session_teardown [2022-11-22 00:14:31,486 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_session_teardown [2022-11-22 00:14:31,486 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-22 00:14:31,486 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-22 00:14:31,486 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_init_irqs [2022-11-22 00:14:31,486 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_init_irqs [2022-11-22 00:14:31,486 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_cleanup_task [2022-11-22 00:14:31,486 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_cleanup_task [2022-11-22 00:14:31,486 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-11-22 00:14:31,487 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-11-22 00:14:31,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-22 00:14:31,487 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_process_cq [2022-11-22 00:14:31,487 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_process_cq [2022-11-22 00:14:31,487 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-22 00:14:31,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-22 00:14:31,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-22 00:14:31,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-22 00:14:31,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-22 00:14:31,488 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_eh_session_reset [2022-11-22 00:14:31,488 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_eh_session_reset [2022-11-22 00:14:31,488 INFO L130 BoogieDeclarations]: Found specification of procedure blk_iopoll_init [2022-11-22 00:14:31,488 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_iopoll_init [2022-11-22 00:14:31,488 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-22 00:14:31,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-22 00:14:31,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-22 00:14:31,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-22 00:14:31,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-22 00:14:31,489 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-22 00:14:31,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-22 00:14:31,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-22 00:14:31,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-22 00:14:31,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-22 00:14:31,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-22 00:14:31,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-22 00:14:31,490 INFO L130 BoogieDeclarations]: Found specification of procedure wrb_from_mccq [2022-11-22 00:14:31,490 INFO L138 BoogieDeclarations]: Found implementation of procedure wrb_from_mccq [2022-11-22 00:14:31,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_1 [2022-11-22 00:14:31,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_1 [2022-11-22 00:14:31,491 INFO L130 BoogieDeclarations]: Found specification of procedure be_sgl_destroy_contiguous [2022-11-22 00:14:31,491 INFO L138 BoogieDeclarations]: Found implementation of procedure be_sgl_destroy_contiguous [2022-11-22 00:14:31,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_2 [2022-11-22 00:14:31,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_2 [2022-11-22 00:14:31,491 INFO L130 BoogieDeclarations]: Found specification of procedure amap_set [2022-11-22 00:14:31,491 INFO L138 BoogieDeclarations]: Found implementation of procedure amap_set [2022-11-22 00:14:31,491 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-22 00:14:31,491 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-22 00:14:31,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-22 00:14:31,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-22 00:14:31,492 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_get [2022-11-22 00:14:31,492 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_get [2022-11-22 00:14:31,492 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_is_host_device [2022-11-22 00:14:31,492 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_is_host_device [2022-11-22 00:14:31,492 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_free_ep [2022-11-22 00:14:31,492 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_free_ep [2022-11-22 00:14:31,493 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_compl_process [2022-11-22 00:14:31,493 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_compl_process [2022-11-22 00:14:31,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_142 [2022-11-22 00:14:31,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_142 [2022-11-22 00:14:31,493 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_mccq_compl [2022-11-22 00:14:31,493 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_mccq_compl [2022-11-22 00:14:31,493 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_unmap_pci_function [2022-11-22 00:14:31,494 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_unmap_pci_function [2022-11-22 00:14:31,494 INFO L130 BoogieDeclarations]: Found specification of procedure embedded_payload [2022-11-22 00:14:31,494 INFO L138 BoogieDeclarations]: Found implementation of procedure embedded_payload [2022-11-22 00:14:31,494 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_build_be_sgl_arr [2022-11-22 00:14:31,494 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_build_be_sgl_arr [2022-11-22 00:14:31,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_146 [2022-11-22 00:14:31,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_146 [2022-11-22 00:14:31,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_0 [2022-11-22 00:14:31,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_0 [2022-11-22 00:14:31,495 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_get_macaddr [2022-11-22 00:14:31,495 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_get_macaddr [2022-11-22 00:14:31,495 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-22 00:14:31,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-22 00:14:31,495 INFO L130 BoogieDeclarations]: Found specification of procedure be_sgl_create_contiguous [2022-11-22 00:14:31,495 INFO L138 BoogieDeclarations]: Found implementation of procedure be_sgl_create_contiguous [2022-11-22 00:14:31,496 INFO L130 BoogieDeclarations]: Found specification of procedure be_chk_reset_complete [2022-11-22 00:14:31,496 INFO L138 BoogieDeclarations]: Found implementation of procedure be_chk_reset_complete [2022-11-22 00:14:31,496 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-22 00:14:31,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-22 00:14:31,496 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_boot_destroy_kset [2022-11-22 00:14:31,496 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_boot_destroy_kset [2022-11-22 00:14:31,496 INFO L130 BoogieDeclarations]: Found specification of procedure free_mgmt_sgl_handle [2022-11-22 00:14:31,497 INFO L138 BoogieDeclarations]: Found implementation of procedure free_mgmt_sgl_handle [2022-11-22 00:14:31,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-22 00:14:31,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-22 00:14:31,497 INFO L130 BoogieDeclarations]: Found specification of procedure be_mbox_notify [2022-11-22 00:14:31,497 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mbox_notify [2022-11-22 00:14:31,497 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-11-22 00:14:31,497 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-11-22 00:14:31,497 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_alloc_cmd_data [2022-11-22 00:14:31,498 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_alloc_cmd_data [2022-11-22 00:14:31,498 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_bsg_request [2022-11-22 00:14:31,498 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_bsg_request [2022-11-22 00:14:31,498 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-22 00:14:31,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-22 00:14:31,498 INFO L130 BoogieDeclarations]: Found specification of procedure be_queue_alloc [2022-11-22 00:14:31,498 INFO L138 BoogieDeclarations]: Found implementation of procedure be_queue_alloc [2022-11-22 00:14:31,499 INFO L130 BoogieDeclarations]: Found specification of procedure shost_priv [2022-11-22 00:14:31,499 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_priv [2022-11-22 00:14:31,499 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-11-22 00:14:31,514 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-11-22 00:14:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_create_iface [2022-11-22 00:14:31,515 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_create_iface [2022-11-22 00:14:31,515 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_slave_configure [2022-11-22 00:14:31,515 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_slave_configure [2022-11-22 00:14:31,515 INFO L130 BoogieDeclarations]: Found specification of procedure queue_tail_node [2022-11-22 00:14:31,515 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_tail_node [2022-11-22 00:14:31,515 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-22 00:14:31,515 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-22 00:14:31,516 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-22 00:14:31,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-22 00:14:31,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-22 00:14:31,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-22 00:14:31,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-22 00:14:31,516 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_init_controller [2022-11-22 00:14:31,516 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_init_controller [2022-11-22 00:14:31,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-22 00:14:31,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-22 00:14:31,517 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-22 00:14:31,517 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-22 00:14:31,517 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_free_async_msg [2022-11-22 00:14:31,517 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_free_async_msg [2022-11-22 00:14:31,517 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_hdr_prepare [2022-11-22 00:14:31,517 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_hdr_prepare [2022-11-22 00:14:31,518 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_msix_enable [2022-11-22 00:14:31,518 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_msix_enable [2022-11-22 00:14:31,518 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bufflen [2022-11-22 00:14:31,518 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bufflen [2022-11-22 00:14:31,518 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-22 00:14:31,518 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-22 00:14:31,518 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_eh_abort [2022-11-22 00:14:31,518 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_eh_abort [2022-11-22 00:14:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2022-11-22 00:14:31,519 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2022-11-22 00:14:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-22 00:14:31,519 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-22 00:14:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_quiesce [2022-11-22 00:14:31,519 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_quiesce [2022-11-22 00:14:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure blk_iopoll_enable [2022-11-22 00:14:31,520 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_iopoll_enable [2022-11-22 00:14:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure blk_iopoll_disable [2022-11-22 00:14:31,520 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_iopoll_disable [2022-11-22 00:14:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_host_for_each_session [2022-11-22 00:14:31,520 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_host_for_each_session [2022-11-22 00:14:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure blk_iopoll_sched_prep [2022-11-22 00:14:31,520 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_iopoll_sched_prep [2022-11-22 00:14:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 00:14:31,521 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_error [2022-11-22 00:14:31,521 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_error [2022-11-22 00:14:31,521 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-22 00:14:31,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-22 00:14:31,521 INFO L130 BoogieDeclarations]: Found specification of procedure be_fill_queue [2022-11-22 00:14:31,521 INFO L138 BoogieDeclarations]: Found implementation of procedure be_fill_queue [2022-11-22 00:14:31,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-22 00:14:31,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-22 00:14:31,522 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_get_params [2022-11-22 00:14:31,522 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_get_params [2022-11-22 00:14:31,522 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_notify [2022-11-22 00:14:31,522 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_notify [2022-11-22 00:14:31,522 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_async_link_state_process [2022-11-22 00:14:31,522 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_async_link_state_process [2022-11-22 00:14:31,522 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-22 00:14:31,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-22 00:14:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_setup_boot_info [2022-11-22 00:14:31,523 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_setup_boot_info [2022-11-22 00:14:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-22 00:14:31,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-22 00:14:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-22 00:14:31,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-22 00:14:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-22 00:14:31,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-22 00:14:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-22 00:14:31,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-22 00:14:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_mgmt_sgl_lock_of_beiscsi_hba [2022-11-22 00:14:31,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_mgmt_sgl_lock_of_beiscsi_hba [2022-11-22 00:14:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_write_buffer [2022-11-22 00:14:31,525 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_write_buffer [2022-11-22 00:14:31,525 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_unmap [2022-11-22 00:14:31,525 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dma_unmap [2022-11-22 00:14:31,525 INFO L130 BoogieDeclarations]: Found specification of procedure be2iscsi_fail_session [2022-11-22 00:14:31,525 INFO L138 BoogieDeclarations]: Found implementation of procedure be2iscsi_fail_session [2022-11-22 00:14:31,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_143 [2022-11-22 00:14:31,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_143 [2022-11-22 00:14:31,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_147 [2022-11-22 00:14:31,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_147 [2022-11-22 00:14:31,526 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_shutdown [2022-11-22 00:14:31,526 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_shutdown [2022-11-22 00:14:31,526 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-22 00:14:31,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-22 00:14:31,526 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_destroy_iface [2022-11-22 00:14:31,526 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_destroy_iface [2022-11-22 00:14:31,526 INFO L130 BoogieDeclarations]: Found specification of procedure free_wrb_handle [2022-11-22 00:14:31,527 INFO L138 BoogieDeclarations]: Found implementation of procedure free_wrb_handle [2022-11-22 00:14:31,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-22 00:14:31,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-22 00:14:31,527 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_cmd_q_destroy [2022-11-22 00:14:31,527 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_cmd_q_destroy [2022-11-22 00:14:31,527 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-22 00:14:31,527 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-22 00:14:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_122 [2022-11-22 00:14:31,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_122 [2022-11-22 00:14:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_post_async_buffers [2022-11-22 00:14:31,528 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_post_async_buffers [2022-11-22 00:14:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-22 00:14:31,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-22 00:14:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure be_complete_nopin_resp [2022-11-22 00:14:31,528 INFO L138 BoogieDeclarations]: Found implementation of procedure be_complete_nopin_resp [2022-11-22 00:14:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-22 00:14:31,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-22 00:14:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-22 00:14:31,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-22 00:14:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure __ilog2_u32 [2022-11-22 00:14:31,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __ilog2_u32 [2022-11-22 00:14:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-22 00:14:31,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-22 00:14:31,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-22 00:14:31,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-22 00:14:31,530 INFO L130 BoogieDeclarations]: Found specification of procedure wrb_from_mbox [2022-11-22 00:14:31,530 INFO L138 BoogieDeclarations]: Found implementation of procedure wrb_from_mbox [2022-11-22 00:14:31,530 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_create_default_pdu_queue [2022-11-22 00:14:31,530 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_create_default_pdu_queue [2022-11-22 00:14:31,530 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-22 00:14:31,531 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-22 00:14:31,531 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_process_default_pdu_ring [2022-11-22 00:14:31,531 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_process_default_pdu_ring [2022-11-22 00:14:31,531 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-22 00:14:31,531 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-22 00:14:31,531 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-22 00:14:31,531 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-22 00:14:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_ep_disconnect [2022-11-22 00:14:31,532 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_ep_disconnect [2022-11-22 00:14:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 00:14:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_free_mgmt_task_handles [2022-11-22 00:14:31,532 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_free_mgmt_task_handles [2022-11-22 00:14:34,057 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 00:14:34,069 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 00:14:34,147 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-22 00:15:01,528 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 00:15:10,756 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 00:15:10,757 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-22 00:15:10,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:15:10 BoogieIcfgContainer [2022-11-22 00:15:10,769 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 00:15:10,773 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 00:15:10,773 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 00:15:10,776 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 00:15:10,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:14:15" (1/3) ... [2022-11-22 00:15:10,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28c01cd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:15:10, skipping insertion in model container [2022-11-22 00:15:10,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:14:29" (2/3) ... [2022-11-22 00:15:10,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28c01cd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:15:10, skipping insertion in model container [2022-11-22 00:15:10,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:15:10" (3/3) ... [2022-11-22 00:15:10,780 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i [2022-11-22 00:15:10,800 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 00:15:10,800 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2022-11-22 00:15:10,943 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 00:15:10,952 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@42a2dac6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 00:15:10,953 INFO L358 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2022-11-22 00:15:10,973 INFO L276 IsEmpty]: Start isEmpty. Operand has 4834 states, 2815 states have (on average 1.303019538188277) internal successors, (3668), 2943 states have internal predecessors, (3668), 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) [2022-11-22 00:15:10,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-22 00:15:10,985 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:15:10,986 INFO L195 NwaCegarLoop]: 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] [2022-11-22 00:15:10,986 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-22 00:15:10,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:15:10,994 INFO L85 PathProgramCache]: Analyzing trace with hash -1032414332, now seen corresponding path program 1 times [2022-11-22 00:15:11,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:15:11,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461772773] [2022-11-22 00:15:11,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:15:11,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:15:11,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:15:13,603 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-22 00:15:13,603 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:15:13,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461772773] [2022-11-22 00:15:13,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461772773] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:15:13,605 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:15:13,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 00:15:13,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137168614] [2022-11-22 00:15:13,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:15:13,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:15:13,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:15:13,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:15:13,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:15:13,664 INFO L87 Difference]: Start difference. First operand has 4834 states, 2815 states have (on average 1.303019538188277) internal successors, (3668), 2943 states have internal predecessors, (3668), 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) [2022-11-22 00:15:17,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:15:24,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:15:27,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 00:15:29,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:15:32,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:15:35,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:15:39,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:15:39,658 INFO L93 Difference]: Finished difference Result 13996 states and 21232 transitions. [2022-11-22 00:15:39,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 00:15:39,661 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 [2022-11-22 00:15:39,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:15:39,747 INFO L225 Difference]: With dead ends: 13996 [2022-11-22 00:15:39,747 INFO L226 Difference]: Without dead ends: 9156 [2022-11-22 00:15:39,809 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:15:39,814 INFO L413 NwaCegarLoop]: 8867 mSDtfsCounter, 6355 mSDsluCounter, 15140 mSDsCounter, 0 mSdLazyCounter, 2655 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6357 SdHoareTripleChecker+Valid, 24007 SdHoareTripleChecker+Invalid, 2659 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2655 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.1s IncrementalHoareTripleChecker+Time [2022-11-22 00:15:39,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6357 Valid, 24007 Invalid, 2659 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2655 Invalid, 2 Unknown, 0 Unchecked, 25.1s Time] [2022-11-22 00:15:39,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9156 states. [2022-11-22 00:15:40,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9156 to 8978. [2022-11-22 00:15:40,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8978 states, 5227 states have (on average 1.2902238377654487) internal successors, (6744), 5448 states have internal predecessors, (6744), 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) [2022-11-22 00:15:40,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8978 states to 8978 states and 13184 transitions. [2022-11-22 00:15:40,775 INFO L78 Accepts]: Start accepts. Automaton has 8978 states and 13184 transitions. Word has length 48 [2022-11-22 00:15:40,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:15:40,776 INFO L495 AbstractCegarLoop]: Abstraction has 8978 states and 13184 transitions. [2022-11-22 00:15:40,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-22 00:15:40,777 INFO L276 IsEmpty]: Start isEmpty. Operand 8978 states and 13184 transitions. [2022-11-22 00:15:40,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-22 00:15:40,787 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:15:40,788 INFO L195 NwaCegarLoop]: 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] [2022-11-22 00:15:40,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 00:15:40,788 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-22 00:15:40,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:15:40,789 INFO L85 PathProgramCache]: Analyzing trace with hash 145277987, now seen corresponding path program 1 times [2022-11-22 00:15:40,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:15:40,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134587283] [2022-11-22 00:15:40,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:15:40,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:15:41,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:15:42,218 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-22 00:15:42,218 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:15:42,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134587283] [2022-11-22 00:15:42,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134587283] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:15:42,219 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:15:42,219 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 00:15:42,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060407182] [2022-11-22 00:15:42,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:15:42,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:15:42,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:15:42,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:15:42,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:15:42,224 INFO L87 Difference]: Start difference. First operand 8978 states and 13184 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-22 00:15:46,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:15:52,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:15:55,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 00:16:04,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:16:04,859 INFO L93 Difference]: Finished difference Result 13767 states and 20193 transitions. [2022-11-22 00:16:04,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 00:16:04,859 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 [2022-11-22 00:16:04,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:16:04,949 INFO L225 Difference]: With dead ends: 13767 [2022-11-22 00:16:04,949 INFO L226 Difference]: Without dead ends: 13765 [2022-11-22 00:16:04,959 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:16:04,960 INFO L413 NwaCegarLoop]: 8134 mSDtfsCounter, 7020 mSDsluCounter, 14376 mSDsCounter, 0 mSdLazyCounter, 2372 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7022 SdHoareTripleChecker+Valid, 22510 SdHoareTripleChecker+Invalid, 2375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2372 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.0s IncrementalHoareTripleChecker+Time [2022-11-22 00:16:04,960 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7022 Valid, 22510 Invalid, 2375 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2372 Invalid, 2 Unknown, 0 Unchecked, 22.0s Time] [2022-11-22 00:16:04,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13765 states. [2022-11-22 00:16:05,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13765 to 13599. [2022-11-22 00:16:05,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13599 states, 7930 states have (on average 1.2912988650693569) internal successors, (10240), 8251 states have internal predecessors, (10240), 4888 states have call successors, (4888), 755 states have call predecessors, (4888), 753 states have return successors, (4889), 4797 states have call predecessors, (4889), 4883 states have call successors, (4889) [2022-11-22 00:16:05,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13599 states to 13599 states and 20017 transitions. [2022-11-22 00:16:05,949 INFO L78 Accepts]: Start accepts. Automaton has 13599 states and 20017 transitions. Word has length 53 [2022-11-22 00:16:05,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:16:05,950 INFO L495 AbstractCegarLoop]: Abstraction has 13599 states and 20017 transitions. [2022-11-22 00:16:05,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-22 00:16:05,951 INFO L276 IsEmpty]: Start isEmpty. Operand 13599 states and 20017 transitions. [2022-11-22 00:16:05,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-22 00:16:05,957 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:16:05,957 INFO L195 NwaCegarLoop]: 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] [2022-11-22 00:16:05,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 00:16:05,957 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-22 00:16:05,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:16:05,958 INFO L85 PathProgramCache]: Analyzing trace with hash 998627417, now seen corresponding path program 1 times [2022-11-22 00:16:05,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:16:05,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49621457] [2022-11-22 00:16:05,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:16:05,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:16:06,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:16:07,504 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-22 00:16:07,504 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:16:07,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49621457] [2022-11-22 00:16:07,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49621457] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:16:07,507 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:16:07,507 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 00:16:07,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140231256] [2022-11-22 00:16:07,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:16:07,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:16:07,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:16:07,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:16:07,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:16:07,510 INFO L87 Difference]: Start difference. First operand 13599 states and 20017 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-22 00:16:10,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:16:16,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:16:18,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 00:16:20,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 00:16:22,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:16:25,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:16:28,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:16:29,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:16:29,384 INFO L93 Difference]: Finished difference Result 16442 states and 24108 transitions. [2022-11-22 00:16:29,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 00:16:29,384 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 [2022-11-22 00:16:29,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:16:29,470 INFO L225 Difference]: With dead ends: 16442 [2022-11-22 00:16:29,470 INFO L226 Difference]: Without dead ends: 16440 [2022-11-22 00:16:29,485 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:16:29,486 INFO L413 NwaCegarLoop]: 7234 mSDtfsCounter, 7020 mSDsluCounter, 10873 mSDsCounter, 0 mSdLazyCounter, 2004 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7022 SdHoareTripleChecker+Valid, 18107 SdHoareTripleChecker+Invalid, 2006 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2004 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.3s IncrementalHoareTripleChecker+Time [2022-11-22 00:16:29,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7022 Valid, 18107 Invalid, 2006 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2004 Invalid, 1 Unknown, 0 Unchecked, 21.3s Time] [2022-11-22 00:16:29,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16440 states. [2022-11-22 00:16:30,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16440 to 16382. [2022-11-22 00:16:30,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16382 states, 9566 states have (on average 1.2932260087810998) internal successors, (12371), 9949 states have internal predecessors, (12371), 5851 states have call successors, (5851), 939 states have call predecessors, (5851), 937 states have return successors, (5852), 5735 states have call predecessors, (5852), 5846 states have call successors, (5852) [2022-11-22 00:16:30,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16382 states to 16382 states and 24074 transitions. [2022-11-22 00:16:30,556 INFO L78 Accepts]: Start accepts. Automaton has 16382 states and 24074 transitions. Word has length 58 [2022-11-22 00:16:30,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:16:30,557 INFO L495 AbstractCegarLoop]: Abstraction has 16382 states and 24074 transitions. [2022-11-22 00:16:30,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-22 00:16:30,557 INFO L276 IsEmpty]: Start isEmpty. Operand 16382 states and 24074 transitions. [2022-11-22 00:16:30,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-22 00:16:30,559 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:16:30,559 INFO L195 NwaCegarLoop]: 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] [2022-11-22 00:16:30,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 00:16:30,560 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-22 00:16:30,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:16:30,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1799086685, now seen corresponding path program 1 times [2022-11-22 00:16:30,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:16:30,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487001375] [2022-11-22 00:16:30,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:16:30,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:16:30,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:16:31,851 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-22 00:16:31,852 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:16:31,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487001375] [2022-11-22 00:16:31,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487001375] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:16:31,852 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:16:31,852 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 00:16:31,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784186441] [2022-11-22 00:16:31,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:16:31,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:16:31,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:16:31,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:16:31,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:16:31,854 INFO L87 Difference]: Start difference. First operand 16382 states and 24074 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-22 00:16:35,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:16:40,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:16:43,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 00:16:47,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:16:51,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:16:51,672 INFO L93 Difference]: Finished difference Result 16440 states and 24106 transitions. [2022-11-22 00:16:51,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 00:16:51,672 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 [2022-11-22 00:16:51,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:16:51,753 INFO L225 Difference]: With dead ends: 16440 [2022-11-22 00:16:51,754 INFO L226 Difference]: Without dead ends: 16438 [2022-11-22 00:16:51,768 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:16:51,770 INFO L413 NwaCegarLoop]: 7234 mSDtfsCounter, 7017 mSDsluCounter, 10873 mSDsCounter, 0 mSdLazyCounter, 2004 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7019 SdHoareTripleChecker+Valid, 18107 SdHoareTripleChecker+Invalid, 2006 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2004 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.1s IncrementalHoareTripleChecker+Time [2022-11-22 00:16:51,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7019 Valid, 18107 Invalid, 2006 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2004 Invalid, 1 Unknown, 0 Unchecked, 19.1s Time] [2022-11-22 00:16:51,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16438 states. [2022-11-22 00:16:52,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16438 to 16382. [2022-11-22 00:16:52,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16382 states, 9566 states have (on average 1.2931214718795734) internal successors, (12370), 9949 states have internal predecessors, (12370), 5851 states have call successors, (5851), 939 states have call predecessors, (5851), 937 states have return successors, (5852), 5735 states have call predecessors, (5852), 5846 states have call successors, (5852) [2022-11-22 00:16:53,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16382 states to 16382 states and 24073 transitions. [2022-11-22 00:16:53,084 INFO L78 Accepts]: Start accepts. Automaton has 16382 states and 24073 transitions. Word has length 63 [2022-11-22 00:16:53,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:16:53,086 INFO L495 AbstractCegarLoop]: Abstraction has 16382 states and 24073 transitions. [2022-11-22 00:16:53,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-22 00:16:53,086 INFO L276 IsEmpty]: Start isEmpty. Operand 16382 states and 24073 transitions. [2022-11-22 00:16:53,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-22 00:16:53,088 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:16:53,089 INFO L195 NwaCegarLoop]: 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] [2022-11-22 00:16:53,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 00:16:53,090 INFO L420 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)] === [2022-11-22 00:16:53,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:16:53,091 INFO L85 PathProgramCache]: Analyzing trace with hash -427265333, now seen corresponding path program 1 times [2022-11-22 00:16:53,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:16:53,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782140946] [2022-11-22 00:16:53,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:16:53,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:16:53,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:16:54,535 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-22 00:16:54,535 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:16:54,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782140946] [2022-11-22 00:16:54,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782140946] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:16:54,536 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:16:54,536 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 00:16:54,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849246806] [2022-11-22 00:16:54,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:16:54,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:16:54,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:16:54,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:16:54,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:16:54,537 INFO L87 Difference]: Start difference. First operand 16382 states and 24073 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-22 00:16:58,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:17:03,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:17:06,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 00:17:08,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 00:17:11,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:17:15,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:17:15,931 INFO L93 Difference]: Finished difference Result 16438 states and 24104 transitions. [2022-11-22 00:17:15,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 00:17:15,932 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 [2022-11-22 00:17:15,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:17:16,009 INFO L225 Difference]: With dead ends: 16438 [2022-11-22 00:17:16,009 INFO L226 Difference]: Without dead ends: 16436 [2022-11-22 00:17:16,022 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:17:16,023 INFO L413 NwaCegarLoop]: 7234 mSDtfsCounter, 7014 mSDsluCounter, 10873 mSDsCounter, 0 mSdLazyCounter, 2003 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7016 SdHoareTripleChecker+Valid, 18107 SdHoareTripleChecker+Invalid, 2006 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2003 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.7s IncrementalHoareTripleChecker+Time [2022-11-22 00:17:16,024 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7016 Valid, 18107 Invalid, 2006 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2003 Invalid, 2 Unknown, 0 Unchecked, 20.7s Time] [2022-11-22 00:17:16,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16436 states. [2022-11-22 00:17:17,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16436 to 16382. [2022-11-22 00:17:17,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16382 states, 9566 states have (on average 1.2930169349780471) internal successors, (12369), 9949 states have internal predecessors, (12369), 5851 states have call successors, (5851), 939 states have call predecessors, (5851), 937 states have return successors, (5852), 5735 states have call predecessors, (5852), 5846 states have call successors, (5852) [2022-11-22 00:17:17,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16382 states to 16382 states and 24072 transitions. [2022-11-22 00:17:17,241 INFO L78 Accepts]: Start accepts. Automaton has 16382 states and 24072 transitions. Word has length 68 [2022-11-22 00:17:17,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:17:17,241 INFO L495 AbstractCegarLoop]: Abstraction has 16382 states and 24072 transitions. [2022-11-22 00:17:17,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-22 00:17:17,242 INFO L276 IsEmpty]: Start isEmpty. Operand 16382 states and 24072 transitions. [2022-11-22 00:17:17,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-22 00:17:17,243 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:17:17,243 INFO L195 NwaCegarLoop]: 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] [2022-11-22 00:17:17,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-22 00:17:17,243 INFO L420 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)] === [2022-11-22 00:17:17,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:17:17,244 INFO L85 PathProgramCache]: Analyzing trace with hash 85213977, now seen corresponding path program 1 times [2022-11-22 00:17:17,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:17:17,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016126995] [2022-11-22 00:17:17,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:17:17,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:17:17,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:17:18,508 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-22 00:17:18,508 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:17:18,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016126995] [2022-11-22 00:17:18,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016126995] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:17:18,509 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:17:18,509 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 00:17:18,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917413375] [2022-11-22 00:17:18,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:17:18,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:17:18,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:17:18,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:17:18,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:17:18,511 INFO L87 Difference]: Start difference. First operand 16382 states and 24072 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-22 00:17:26,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:17:29,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 00:17:32,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:17:40,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:17:40,470 INFO L93 Difference]: Finished difference Result 16542 states and 24240 transitions. [2022-11-22 00:17:40,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 00:17:40,470 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 [2022-11-22 00:17:40,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:17:40,544 INFO L225 Difference]: With dead ends: 16542 [2022-11-22 00:17:40,545 INFO L226 Difference]: Without dead ends: 16540 [2022-11-22 00:17:40,558 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:17:40,559 INFO L413 NwaCegarLoop]: 8336 mSDtfsCounter, 7008 mSDsluCounter, 14578 mSDsCounter, 0 mSdLazyCounter, 2438 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7010 SdHoareTripleChecker+Valid, 22914 SdHoareTripleChecker+Invalid, 2441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2438 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.1s IncrementalHoareTripleChecker+Time [2022-11-22 00:17:40,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7010 Valid, 22914 Invalid, 2441 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2438 Invalid, 2 Unknown, 0 Unchecked, 21.1s Time] [2022-11-22 00:17:40,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16540 states. [2022-11-22 00:17:41,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16540 to 16406. [2022-11-22 00:17:41,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16406 states, 9578 states have (on average 1.2926498225099186) internal successors, (12381), 9961 states have internal predecessors, (12381), 5859 states have call successors, (5859), 943 states have call predecessors, (5859), 941 states have return successors, (5860), 5743 states have call predecessors, (5860), 5854 states have call successors, (5860) [2022-11-22 00:17:41,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16406 states to 16406 states and 24100 transitions. [2022-11-22 00:17:41,797 INFO L78 Accepts]: Start accepts. Automaton has 16406 states and 24100 transitions. Word has length 73 [2022-11-22 00:17:41,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:17:41,798 INFO L495 AbstractCegarLoop]: Abstraction has 16406 states and 24100 transitions. [2022-11-22 00:17:41,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-22 00:17:41,798 INFO L276 IsEmpty]: Start isEmpty. Operand 16406 states and 24100 transitions. [2022-11-22 00:17:41,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-22 00:17:41,801 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:17:41,801 INFO L195 NwaCegarLoop]: 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] [2022-11-22 00:17:41,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-22 00:17:41,801 INFO L420 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)] === [2022-11-22 00:17:41,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:17:41,802 INFO L85 PathProgramCache]: Analyzing trace with hash -1626634771, now seen corresponding path program 1 times [2022-11-22 00:17:41,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:17:41,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054268482] [2022-11-22 00:17:41,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:17:41,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:17:42,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:17:43,061 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-22 00:17:43,062 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:17:43,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054268482] [2022-11-22 00:17:43,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054268482] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:17:43,062 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:17:43,062 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 00:17:43,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067550235] [2022-11-22 00:17:43,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:17:43,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:17:43,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:17:43,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:17:43,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:17:43,064 INFO L87 Difference]: Start difference. First operand 16406 states and 24100 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-22 00:17:51,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:17:53,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 00:17:55,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 00:17:56,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:17:58,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:18:06,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:18:06,166 INFO L93 Difference]: Finished difference Result 19352 states and 28230 transitions. [2022-11-22 00:18:06,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 00:18:06,167 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 [2022-11-22 00:18:06,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:18:06,253 INFO L225 Difference]: With dead ends: 19352 [2022-11-22 00:18:06,253 INFO L226 Difference]: Without dead ends: 19350 [2022-11-22 00:18:06,266 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:18:06,267 INFO L413 NwaCegarLoop]: 8018 mSDtfsCounter, 6979 mSDsluCounter, 12618 mSDsCounter, 0 mSdLazyCounter, 2249 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6983 SdHoareTripleChecker+Valid, 20636 SdHoareTripleChecker+Invalid, 2252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2249 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.1s IncrementalHoareTripleChecker+Time [2022-11-22 00:18:06,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6983 Valid, 20636 Invalid, 2252 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2249 Invalid, 2 Unknown, 0 Unchecked, 22.1s Time] [2022-11-22 00:18:06,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19350 states. [2022-11-22 00:18:07,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19350 to 19283. [2022-11-22 00:18:07,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19283 states, 11195 states have (on average 1.2848593121929432) internal successors, (14384), 11626 states have internal predecessors, (14384), 6900 states have call successors, (6900), 1162 states have call predecessors, (6900), 1160 states have return successors, (6898), 6775 states have call predecessors, (6898), 6892 states have call successors, (6898) [2022-11-22 00:18:07,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19283 states to 19283 states and 28182 transitions. [2022-11-22 00:18:07,762 INFO L78 Accepts]: Start accepts. Automaton has 19283 states and 28182 transitions. Word has length 78 [2022-11-22 00:18:07,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:18:07,764 INFO L495 AbstractCegarLoop]: Abstraction has 19283 states and 28182 transitions. [2022-11-22 00:18:07,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-22 00:18:07,764 INFO L276 IsEmpty]: Start isEmpty. Operand 19283 states and 28182 transitions. [2022-11-22 00:18:07,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-11-22 00:18:07,766 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:18:07,766 INFO L195 NwaCegarLoop]: 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] [2022-11-22 00:18:07,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-22 00:18:07,768 INFO L420 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)] === [2022-11-22 00:18:07,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:18:07,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1920460682, now seen corresponding path program 1 times [2022-11-22 00:18:07,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:18:07,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349039620] [2022-11-22 00:18:07,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:18:07,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:18:07,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:18:08,631 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-22 00:18:08,632 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:18:08,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349039620] [2022-11-22 00:18:08,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349039620] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:18:08,632 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:18:08,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:18:08,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412762586] [2022-11-22 00:18:08,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:18:08,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:18:08,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:18:08,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:18:08,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:18:08,636 INFO L87 Difference]: Start difference. First operand 19283 states and 28182 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) [2022-11-22 00:18:14,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:18:17,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 00:18:20,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:18:21,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:18:27,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:18:27,234 INFO L93 Difference]: Finished difference Result 44309 states and 64606 transitions. [2022-11-22 00:18:27,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:18:27,235 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 [2022-11-22 00:18:27,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:18:27,348 INFO L225 Difference]: With dead ends: 44309 [2022-11-22 00:18:27,348 INFO L226 Difference]: Without dead ends: 25047 [2022-11-22 00:18:27,426 INFO L412 NwaCegarLoop]: 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 [2022-11-22 00:18:27,427 INFO L413 NwaCegarLoop]: 8160 mSDtfsCounter, 7027 mSDsluCounter, 5633 mSDsCounter, 0 mSdLazyCounter, 1519 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7027 SdHoareTripleChecker+Valid, 13793 SdHoareTripleChecker+Invalid, 1522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1519 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.9s IncrementalHoareTripleChecker+Time [2022-11-22 00:18:27,427 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7027 Valid, 13793 Invalid, 1522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1519 Invalid, 2 Unknown, 0 Unchecked, 16.9s Time] [2022-11-22 00:18:27,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25047 states. [2022-11-22 00:18:29,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25047 to 24874. [2022-11-22 00:18:29,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24874 states, 14439 states have (on average 1.2831220998684119) internal successors, (18527), 14977 states have internal predecessors, (18527), 8877 states have call successors, (8877), 1533 states have call predecessors, (8877), 1530 states have return successors, (8873), 8719 states have call predecessors, (8873), 8867 states have call successors, (8873) [2022-11-22 00:18:29,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24874 states to 24874 states and 36277 transitions. [2022-11-22 00:18:29,254 INFO L78 Accepts]: Start accepts. Automaton has 24874 states and 36277 transitions. Word has length 87 [2022-11-22 00:18:29,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:18:29,255 INFO L495 AbstractCegarLoop]: Abstraction has 24874 states and 36277 transitions. [2022-11-22 00:18:29,255 INFO L496 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) [2022-11-22 00:18:29,255 INFO L276 IsEmpty]: Start isEmpty. Operand 24874 states and 36277 transitions. [2022-11-22 00:18:29,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-22 00:18:29,258 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:18:29,258 INFO L195 NwaCegarLoop]: 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] [2022-11-22 00:18:29,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-22 00:18:29,259 INFO L420 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)] === [2022-11-22 00:18:29,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:18:29,259 INFO L85 PathProgramCache]: Analyzing trace with hash -73806765, now seen corresponding path program 1 times [2022-11-22 00:18:29,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:18:29,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005222727] [2022-11-22 00:18:29,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:18:29,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:18:29,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:18:30,403 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-22 00:18:30,404 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:18:30,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005222727] [2022-11-22 00:18:30,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005222727] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:18:30,404 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:18:30,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 00:18:30,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313984489] [2022-11-22 00:18:30,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:18:30,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:18:30,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:18:30,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:18:30,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:18:30,407 INFO L87 Difference]: Start difference. First operand 24874 states and 36277 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-22 00:18:38,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:18:42,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 00:18:44,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:18:46,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:18:55,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:18:55,210 INFO L93 Difference]: Finished difference Result 25014 states and 36423 transitions. [2022-11-22 00:18:55,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 00:18:55,215 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 [2022-11-22 00:18:55,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:18:55,289 INFO L225 Difference]: With dead ends: 25014 [2022-11-22 00:18:55,289 INFO L226 Difference]: Without dead ends: 25012 [2022-11-22 00:18:55,299 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:18:55,300 INFO L413 NwaCegarLoop]: 8828 mSDtfsCounter, 6974 mSDsluCounter, 15066 mSDsCounter, 0 mSdLazyCounter, 2585 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6978 SdHoareTripleChecker+Valid, 23894 SdHoareTripleChecker+Invalid, 2589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2585 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.3s IncrementalHoareTripleChecker+Time [2022-11-22 00:18:55,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6978 Valid, 23894 Invalid, 2589 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2585 Invalid, 3 Unknown, 0 Unchecked, 23.3s Time] [2022-11-22 00:18:55,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25012 states. [2022-11-22 00:18:56,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25012 to 24888. [2022-11-22 00:18:56,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24888 states, 14447 states have (on average 1.2830345400429155) internal successors, (18536), 14985 states have internal predecessors, (18536), 8881 states have call successors, (8881), 1535 states have call predecessors, (8881), 1532 states have return successors, (8877), 8723 states have call predecessors, (8877), 8871 states have call successors, (8877) [2022-11-22 00:18:56,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24888 states to 24888 states and 36294 transitions. [2022-11-22 00:18:56,935 INFO L78 Accepts]: Start accepts. Automaton has 24888 states and 36294 transitions. Word has length 83 [2022-11-22 00:18:56,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:18:56,935 INFO L495 AbstractCegarLoop]: Abstraction has 24888 states and 36294 transitions. [2022-11-22 00:18:56,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-22 00:18:56,936 INFO L276 IsEmpty]: Start isEmpty. Operand 24888 states and 36294 transitions. [2022-11-22 00:18:56,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-22 00:18:56,938 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:18:56,938 INFO L195 NwaCegarLoop]: 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] [2022-11-22 00:18:56,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-22 00:18:56,938 INFO L420 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)] === [2022-11-22 00:18:56,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:18:56,939 INFO L85 PathProgramCache]: Analyzing trace with hash 2086458646, now seen corresponding path program 1 times [2022-11-22 00:18:56,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:18:56,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125644875] [2022-11-22 00:18:56,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:18:56,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:18:57,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:18:58,074 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-22 00:18:58,075 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:18:58,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125644875] [2022-11-22 00:18:58,075 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125644875] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:18:58,075 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:18:58,075 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 00:18:58,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465443416] [2022-11-22 00:18:58,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:18:58,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:18:58,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:18:58,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:18:58,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:18:58,077 INFO L87 Difference]: Start difference. First operand 24888 states and 36294 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-22 00:19:01,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:19:03,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:19:08,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:19:11,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 00:19:13,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 00:19:14,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:19:22,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:19:23,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:19:23,567 INFO L93 Difference]: Finished difference Result 24938 states and 36322 transitions. [2022-11-22 00:19:23,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 00:19:23,567 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 [2022-11-22 00:19:23,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:19:23,662 INFO L225 Difference]: With dead ends: 24938 [2022-11-22 00:19:23,662 INFO L226 Difference]: Without dead ends: 24936 [2022-11-22 00:19:23,674 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:19:23,675 INFO L413 NwaCegarLoop]: 7234 mSDtfsCounter, 7005 mSDsluCounter, 10868 mSDsCounter, 0 mSdLazyCounter, 2002 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7007 SdHoareTripleChecker+Valid, 18102 SdHoareTripleChecker+Invalid, 2006 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2002 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.9s IncrementalHoareTripleChecker+Time [2022-11-22 00:19:23,675 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7007 Valid, 18102 Invalid, 2006 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2002 Invalid, 3 Unknown, 0 Unchecked, 23.9s Time] [2022-11-22 00:19:23,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24936 states. [2022-11-22 00:19:25,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24936 to 24888. [2022-11-22 00:19:25,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24888 states, 14447 states have (on average 1.282896102997162) internal successors, (18534), 14985 states have internal predecessors, (18534), 8881 states have call successors, (8881), 1535 states have call predecessors, (8881), 1532 states have return successors, (8877), 8723 states have call predecessors, (8877), 8871 states have call successors, (8877) [2022-11-22 00:19:25,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24888 states to 24888 states and 36292 transitions. [2022-11-22 00:19:25,426 INFO L78 Accepts]: Start accepts. Automaton has 24888 states and 36292 transitions. Word has length 85 [2022-11-22 00:19:25,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:19:25,427 INFO L495 AbstractCegarLoop]: Abstraction has 24888 states and 36292 transitions. [2022-11-22 00:19:25,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-22 00:19:25,427 INFO L276 IsEmpty]: Start isEmpty. Operand 24888 states and 36292 transitions. [2022-11-22 00:19:25,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-22 00:19:25,429 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:19:25,429 INFO L195 NwaCegarLoop]: 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] [2022-11-22 00:19:25,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-22 00:19:25,430 INFO L420 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)] === [2022-11-22 00:19:25,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:19:25,430 INFO L85 PathProgramCache]: Analyzing trace with hash -1784764375, now seen corresponding path program 1 times [2022-11-22 00:19:25,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:19:25,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593205451] [2022-11-22 00:19:25,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:19:25,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:19:25,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:19:26,510 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-11-22 00:19:26,511 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:19:26,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593205451] [2022-11-22 00:19:26,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593205451] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 00:19:26,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1355113059] [2022-11-22 00:19:26,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:19:26,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 00:19:26,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:19:26,522 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 00:19:26,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-22 00:19:30,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:19:30,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 8914 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-22 00:19:30,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 00:19:30,153 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-22 00:19:30,153 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 00:19:30,153 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1355113059] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:19:30,154 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-22 00:19:30,154 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2022-11-22 00:19:30,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939751675] [2022-11-22 00:19:30,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:19:30,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:19:30,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:19:30,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:19:30,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-11-22 00:19:30,156 INFO L87 Difference]: Start difference. First operand 24888 states and 36292 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) [2022-11-22 00:19:36,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:19:39,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 00:19:40,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:19:47,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:19:48,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:19:48,867 INFO L93 Difference]: Finished difference Result 49933 states and 72730 transitions. [2022-11-22 00:19:48,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:19:48,867 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 [2022-11-22 00:19:48,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:19:48,952 INFO L225 Difference]: With dead ends: 49933 [2022-11-22 00:19:48,952 INFO L226 Difference]: Without dead ends: 25066 [2022-11-22 00:19:49,032 INFO L412 NwaCegarLoop]: 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 [2022-11-22 00:19:49,033 INFO L413 NwaCegarLoop]: 8165 mSDtfsCounter, 7013 mSDsluCounter, 5647 mSDsCounter, 0 mSdLazyCounter, 1520 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7013 SdHoareTripleChecker+Valid, 13812 SdHoareTripleChecker+Invalid, 1523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1520 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.9s IncrementalHoareTripleChecker+Time [2022-11-22 00:19:49,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7013 Valid, 13812 Invalid, 1523 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1520 Invalid, 2 Unknown, 0 Unchecked, 16.9s Time] [2022-11-22 00:19:49,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25066 states. [2022-11-22 00:19:50,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25066 to 24893. [2022-11-22 00:19:50,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24893 states, 14446 states have (on average 1.282500346116572) internal successors, (18527), 14985 states have internal predecessors, (18527), 8884 states have call successors, (8884), 1538 states have call predecessors, (8884), 1535 states have return successors, (8880), 8725 states have call predecessors, (8880), 8874 states have call successors, (8880) [2022-11-22 00:19:50,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24893 states to 24893 states and 36291 transitions. [2022-11-22 00:19:50,733 INFO L78 Accepts]: Start accepts. Automaton has 24893 states and 36291 transitions. Word has length 95 [2022-11-22 00:19:50,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:19:50,734 INFO L495 AbstractCegarLoop]: Abstraction has 24893 states and 36291 transitions. [2022-11-22 00:19:50,734 INFO L496 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) [2022-11-22 00:19:50,735 INFO L276 IsEmpty]: Start isEmpty. Operand 24893 states and 36291 transitions. [2022-11-22 00:19:50,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-11-22 00:19:50,736 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:19:50,737 INFO L195 NwaCegarLoop]: 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] [2022-11-22 00:19:50,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-22 00:19:50,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9988f679-1ddb-4c91-8342-ec1b11904ea9/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 00:19:50,938 INFO L420 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)] === [2022-11-22 00:19:50,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:19:50,939 INFO L85 PathProgramCache]: Analyzing trace with hash 2042951259, now seen corresponding path program 1 times [2022-11-22 00:19:50,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:19:50,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142614942] [2022-11-22 00:19:50,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:19:50,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:19:51,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:19:52,211 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-22 00:19:52,211 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:19:52,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142614942] [2022-11-22 00:19:52,212 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142614942] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:19:52,212 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:19:52,212 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 00:19:52,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705290883] [2022-11-22 00:19:52,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:19:52,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:19:52,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:19:52,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:19:52,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:19:52,214 INFO L87 Difference]: Start difference. First operand 24893 states and 36291 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-22 00:19:56,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:20:02,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:20:04,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 00:20:06,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 00:20:09,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:20:11,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:20:12,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:20:19,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:20:21,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:20:21,396 INFO L93 Difference]: Finished difference Result 25013 states and 36416 transitions. [2022-11-22 00:20:21,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 00:20:21,397 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 [2022-11-22 00:20:21,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:20:21,461 INFO L225 Difference]: With dead ends: 25013 [2022-11-22 00:20:21,461 INFO L226 Difference]: Without dead ends: 25011 [2022-11-22 00:20:21,469 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:20:21,469 INFO L413 NwaCegarLoop]: 8826 mSDtfsCounter, 6956 mSDsluCounter, 15068 mSDsCounter, 0 mSdLazyCounter, 2580 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6960 SdHoareTripleChecker+Valid, 23894 SdHoareTripleChecker+Invalid, 2585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2580 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.4s IncrementalHoareTripleChecker+Time [2022-11-22 00:20:21,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6960 Valid, 23894 Invalid, 2585 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2580 Invalid, 4 Unknown, 0 Unchecked, 27.4s Time] [2022-11-22 00:20:21,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25011 states. [2022-11-22 00:20:22,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25011 to 24899. [2022-11-22 00:20:22,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24899 states, 14449 states have (on average 1.2824416914665375) internal successors, (18530), 14988 states have internal predecessors, (18530), 8886 states have call successors, (8886), 1539 states have call predecessors, (8886), 1536 states have return successors, (8882), 8727 states have call predecessors, (8882), 8876 states have call successors, (8882) [2022-11-22 00:20:22,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24899 states to 24899 states and 36298 transitions. [2022-11-22 00:20:22,996 INFO L78 Accepts]: Start accepts. Automaton has 24899 states and 36298 transitions. Word has length 90 [2022-11-22 00:20:22,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:20:22,996 INFO L495 AbstractCegarLoop]: Abstraction has 24899 states and 36298 transitions. [2022-11-22 00:20:22,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-22 00:20:22,997 INFO L276 IsEmpty]: Start isEmpty. Operand 24899 states and 36298 transitions. [2022-11-22 00:20:22,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-11-22 00:20:22,999 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:20:22,999 INFO L195 NwaCegarLoop]: 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] [2022-11-22 00:20:23,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-22 00:20:23,000 INFO L420 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)] === [2022-11-22 00:20:23,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:20:23,000 INFO L85 PathProgramCache]: Analyzing trace with hash 916093763, now seen corresponding path program 1 times [2022-11-22 00:20:23,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:20:23,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574225298] [2022-11-22 00:20:23,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:20:23,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:20:23,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:20:24,664 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-11-22 00:20:24,664 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:20:24,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574225298] [2022-11-22 00:20:24,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574225298] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:20:24,664 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:20:24,664 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 00:20:24,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329520298] [2022-11-22 00:20:24,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:20:24,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 00:20:24,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:20:24,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 00:20:24,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:20:24,666 INFO L87 Difference]: Start difference. First operand 24899 states and 36298 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) [2022-11-22 00:20:29,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:20:37,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:20:39,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 00:20:41,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 00:20:42,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 00:20:44,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:20:46,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:20:49,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:20:53,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:20:55,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:20:55,185 INFO L93 Difference]: Finished difference Result 30233 states and 44020 transitions. [2022-11-22 00:20:55,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-22 00:20:55,186 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 [2022-11-22 00:20:55,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:20:55,277 INFO L225 Difference]: With dead ends: 30233 [2022-11-22 00:20:55,277 INFO L226 Difference]: Without dead ends: 30231 [2022-11-22 00:20:55,287 INFO L412 NwaCegarLoop]: 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 [2022-11-22 00:20:55,288 INFO L413 NwaCegarLoop]: 7214 mSDtfsCounter, 6963 mSDsluCounter, 17950 mSDsCounter, 0 mSdLazyCounter, 2781 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6971 SdHoareTripleChecker+Valid, 25164 SdHoareTripleChecker+Invalid, 2786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2781 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.8s IncrementalHoareTripleChecker+Time [2022-11-22 00:20:55,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6971 Valid, 25164 Invalid, 2786 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 2781 Invalid, 2 Unknown, 0 Unchecked, 28.8s Time] [2022-11-22 00:20:55,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30231 states. [2022-11-22 00:20:57,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30231 to 30063. [2022-11-22 00:20:57,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30063 states, 17485 states have (on average 1.2860165856448385) internal successors, (22486), 18153 states have internal predecessors, (22486), 10683 states have call successors, (10683), 1876 states have call predecessors, (10683), 1867 states have return successors, (10682), 10460 states have call predecessors, (10682), 10673 states have call successors, (10682) [2022-11-22 00:20:57,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30063 states to 30063 states and 43851 transitions. [2022-11-22 00:20:57,444 INFO L78 Accepts]: Start accepts. Automaton has 30063 states and 43851 transitions. Word has length 102 [2022-11-22 00:20:57,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:20:57,445 INFO L495 AbstractCegarLoop]: Abstraction has 30063 states and 43851 transitions. [2022-11-22 00:20:57,445 INFO L496 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) [2022-11-22 00:20:57,445 INFO L276 IsEmpty]: Start isEmpty. Operand 30063 states and 43851 transitions. [2022-11-22 00:20:57,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-22 00:20:57,447 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:20:57,447 INFO L195 NwaCegarLoop]: 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] [2022-11-22 00:20:57,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-22 00:20:57,447 INFO L420 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)] === [2022-11-22 00:20:57,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:20:57,448 INFO L85 PathProgramCache]: Analyzing trace with hash -723640658, now seen corresponding path program 1 times [2022-11-22 00:20:57,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:20:57,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877350563] [2022-11-22 00:20:57,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:20:57,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:20:57,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:20:58,401 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-22 00:20:58,401 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:20:58,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877350563] [2022-11-22 00:20:58,401 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877350563] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:20:58,402 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:20:58,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 00:20:58,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618784708] [2022-11-22 00:20:58,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:20:58,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:20:58,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:20:58,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:20:58,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:20:58,403 INFO L87 Difference]: Start difference. First operand 30063 states and 43851 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-22 00:21:02,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:21:08,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:21:10,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 00:21:14,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:21:16,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:21:20,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:21:24,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:21:26,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:21:26,641 INFO L93 Difference]: Finished difference Result 30165 states and 43956 transitions. [2022-11-22 00:21:26,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 00:21:26,642 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 [2022-11-22 00:21:26,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:21:26,723 INFO L225 Difference]: With dead ends: 30165 [2022-11-22 00:21:26,723 INFO L226 Difference]: Without dead ends: 30163 [2022-11-22 00:21:26,731 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:21:26,732 INFO L413 NwaCegarLoop]: 8332 mSDtfsCounter, 6984 mSDsluCounter, 14574 mSDsCounter, 0 mSdLazyCounter, 2435 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6986 SdHoareTripleChecker+Valid, 22906 SdHoareTripleChecker+Invalid, 2439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2435 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.1s IncrementalHoareTripleChecker+Time [2022-11-22 00:21:26,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6986 Valid, 22906 Invalid, 2439 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2435 Invalid, 3 Unknown, 0 Unchecked, 26.1s Time] [2022-11-22 00:21:26,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30163 states. [2022-11-22 00:21:28,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30163 to 30069. [2022-11-22 00:21:28,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30069 states, 17488 states have (on average 1.2859675205855443) internal successors, (22489), 18156 states have internal predecessors, (22489), 10685 states have call successors, (10685), 1877 states have call predecessors, (10685), 1868 states have return successors, (10684), 10462 states have call predecessors, (10684), 10675 states have call successors, (10684) [2022-11-22 00:21:28,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30069 states to 30069 states and 43858 transitions. [2022-11-22 00:21:28,540 INFO L78 Accepts]: Start accepts. Automaton has 30069 states and 43858 transitions. Word has length 95 [2022-11-22 00:21:28,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:21:28,540 INFO L495 AbstractCegarLoop]: Abstraction has 30069 states and 43858 transitions. [2022-11-22 00:21:28,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-22 00:21:28,541 INFO L276 IsEmpty]: Start isEmpty. Operand 30069 states and 43858 transitions. [2022-11-22 00:21:28,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-11-22 00:21:28,543 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:21:28,543 INFO L195 NwaCegarLoop]: 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] [2022-11-22 00:21:28,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-22 00:21:28,544 INFO L420 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)] === [2022-11-22 00:21:28,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:21:28,544 INFO L85 PathProgramCache]: Analyzing trace with hash -1806345313, now seen corresponding path program 1 times [2022-11-22 00:21:28,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:21:28,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565145464] [2022-11-22 00:21:28,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:21:28,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:21:28,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:21:29,660 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-22 00:21:29,661 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:21:29,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565145464] [2022-11-22 00:21:29,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565145464] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:21:29,661 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:21:29,662 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 00:21:29,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260396021] [2022-11-22 00:21:29,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:21:29,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:21:29,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:21:29,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:21:29,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:21:29,663 INFO L87 Difference]: Start difference. First operand 30069 states and 43858 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-22 00:21:33,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:21:34,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:21:40,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:21:43,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 00:21:45,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 00:21:47,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:21:49,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:21:57,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:21:57,330 INFO L93 Difference]: Finished difference Result 30135 states and 43906 transitions. [2022-11-22 00:21:57,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 00:21:57,330 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 [2022-11-22 00:21:57,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:21:57,422 INFO L225 Difference]: With dead ends: 30135 [2022-11-22 00:21:57,422 INFO L226 Difference]: Without dead ends: 30133 [2022-11-22 00:21:57,434 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:21:57,435 INFO L413 NwaCegarLoop]: 8018 mSDtfsCounter, 6971 mSDsluCounter, 12608 mSDsCounter, 0 mSdLazyCounter, 2248 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6975 SdHoareTripleChecker+Valid, 20626 SdHoareTripleChecker+Invalid, 2252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2248 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.7s IncrementalHoareTripleChecker+Time [2022-11-22 00:21:57,435 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6975 Valid, 20626 Invalid, 2252 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2248 Invalid, 3 Unknown, 0 Unchecked, 25.7s Time] [2022-11-22 00:21:57,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30133 states. [2022-11-22 00:21:59,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30133 to 30069. [2022-11-22 00:21:59,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30069 states, 17488 states have (on average 1.2859103385178408) internal successors, (22488), 18156 states have internal predecessors, (22488), 10685 states have call successors, (10685), 1877 states have call predecessors, (10685), 1868 states have return successors, (10684), 10462 states have call predecessors, (10684), 10675 states have call successors, (10684) [2022-11-22 00:21:59,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30069 states to 30069 states and 43857 transitions. [2022-11-22 00:21:59,551 INFO L78 Accepts]: Start accepts. Automaton has 30069 states and 43857 transitions. Word has length 100 [2022-11-22 00:21:59,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:21:59,552 INFO L495 AbstractCegarLoop]: Abstraction has 30069 states and 43857 transitions. [2022-11-22 00:21:59,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-22 00:21:59,552 INFO L276 IsEmpty]: Start isEmpty. Operand 30069 states and 43857 transitions. [2022-11-22 00:21:59,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-11-22 00:21:59,554 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:21:59,555 INFO L195 NwaCegarLoop]: 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] [2022-11-22 00:21:59,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-22 00:21:59,555 INFO L420 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)] === [2022-11-22 00:21:59,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:21:59,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1536847370, now seen corresponding path program 1 times [2022-11-22 00:21:59,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:21:59,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82321638] [2022-11-22 00:21:59,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:21:59,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:21:59,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:22:00,537 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-22 00:22:00,537 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:22:00,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82321638] [2022-11-22 00:22:00,537 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82321638] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:22:00,538 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:22:00,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 00:22:00,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498570976] [2022-11-22 00:22:00,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:22:00,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:22:00,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:22:00,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:22:00,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:22:00,540 INFO L87 Difference]: Start difference. First operand 30069 states and 43857 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-22 00:22:03,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:22:06,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:22:11,952 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:22:13,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 00:22:15,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 00:22:18,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:22:20,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:22:27,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:22:27,947 INFO L93 Difference]: Finished difference Result 30133 states and 43904 transitions. [2022-11-22 00:22:27,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 00:22:27,948 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 [2022-11-22 00:22:27,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:22:28,028 INFO L225 Difference]: With dead ends: 30133 [2022-11-22 00:22:28,028 INFO L226 Difference]: Without dead ends: 30131 [2022-11-22 00:22:28,036 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:22:28,037 INFO L413 NwaCegarLoop]: 8018 mSDtfsCounter, 6968 mSDsluCounter, 12608 mSDsCounter, 0 mSdLazyCounter, 2247 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6972 SdHoareTripleChecker+Valid, 20626 SdHoareTripleChecker+Invalid, 2252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2247 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.2s IncrementalHoareTripleChecker+Time [2022-11-22 00:22:28,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6972 Valid, 20626 Invalid, 2252 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2247 Invalid, 4 Unknown, 0 Unchecked, 25.2s Time] [2022-11-22 00:22:28,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30131 states. [2022-11-22 00:22:30,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30131 to 30069. [2022-11-22 00:22:30,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30069 states, 17488 states have (on average 1.2858531564501372) internal successors, (22487), 18156 states have internal predecessors, (22487), 10685 states have call successors, (10685), 1877 states have call predecessors, (10685), 1868 states have return successors, (10684), 10462 states have call predecessors, (10684), 10675 states have call successors, (10684) [2022-11-22 00:22:30,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30069 states to 30069 states and 43856 transitions. [2022-11-22 00:22:30,225 INFO L78 Accepts]: Start accepts. Automaton has 30069 states and 43856 transitions. Word has length 105 [2022-11-22 00:22:30,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:22:30,226 INFO L495 AbstractCegarLoop]: Abstraction has 30069 states and 43856 transitions. [2022-11-22 00:22:30,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-22 00:22:30,227 INFO L276 IsEmpty]: Start isEmpty. Operand 30069 states and 43856 transitions. [2022-11-22 00:22:30,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-11-22 00:22:30,229 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:22:30,230 INFO L195 NwaCegarLoop]: 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] [2022-11-22 00:22:30,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-22 00:22:30,230 INFO L420 AbstractCegarLoop]: === Iteration 17 === 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)] === [2022-11-22 00:22:30,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:22:30,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1955785856, now seen corresponding path program 1 times [2022-11-22 00:22:30,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:22:30,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107220873] [2022-11-22 00:22:30,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:22:30,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:22:30,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:22:31,086 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-22 00:22:31,086 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:22:31,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107220873] [2022-11-22 00:22:31,087 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107220873] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:22:31,087 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:22:31,087 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 00:22:31,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413861014] [2022-11-22 00:22:31,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:22:31,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:22:31,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:22:31,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:22:31,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:22:31,090 INFO L87 Difference]: Start difference. First operand 30069 states and 43856 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-22 00:22:34,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:22:41,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:22:43,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 00:22:47,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:22:57,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:22:57,912 INFO L93 Difference]: Finished difference Result 30159 states and 43948 transitions. [2022-11-22 00:22:57,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 00:22:57,913 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 [2022-11-22 00:22:57,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:22:58,001 INFO L225 Difference]: With dead ends: 30159 [2022-11-22 00:22:58,001 INFO L226 Difference]: Without dead ends: 30157 [2022-11-22 00:22:58,012 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:22:58,013 INFO L413 NwaCegarLoop]: 8332 mSDtfsCounter, 6975 mSDsluCounter, 14574 mSDsCounter, 0 mSdLazyCounter, 2436 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6977 SdHoareTripleChecker+Valid, 22906 SdHoareTripleChecker+Invalid, 2439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2436 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.6s IncrementalHoareTripleChecker+Time [2022-11-22 00:22:58,013 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6977 Valid, 22906 Invalid, 2439 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2436 Invalid, 2 Unknown, 0 Unchecked, 24.6s Time] [2022-11-22 00:22:58,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30157 states. [2022-11-22 00:22:59,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30157 to 30087. [2022-11-22 00:22:59,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30087 states, 17497 states have (on average 1.2857061210493228) internal successors, (22496), 18165 states have internal predecessors, (22496), 10691 states have call successors, (10691), 1880 states have call predecessors, (10691), 1871 states have return successors, (10690), 10468 states have call predecessors, (10690), 10681 states have call successors, (10690) [2022-11-22 00:22:59,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30087 states to 30087 states and 43877 transitions. [2022-11-22 00:22:59,866 INFO L78 Accepts]: Start accepts. Automaton has 30087 states and 43877 transitions. Word has length 110 [2022-11-22 00:22:59,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:22:59,867 INFO L495 AbstractCegarLoop]: Abstraction has 30087 states and 43877 transitions. [2022-11-22 00:22:59,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-22 00:22:59,867 INFO L276 IsEmpty]: Start isEmpty. Operand 30087 states and 43877 transitions. [2022-11-22 00:22:59,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-11-22 00:22:59,869 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:22:59,869 INFO L195 NwaCegarLoop]: 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] [2022-11-22 00:22:59,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-22 00:22:59,869 INFO L420 AbstractCegarLoop]: === Iteration 18 === 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)] === [2022-11-22 00:22:59,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:22:59,870 INFO L85 PathProgramCache]: Analyzing trace with hash -818992987, now seen corresponding path program 1 times [2022-11-22 00:22:59,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:22:59,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334640807] [2022-11-22 00:22:59,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:22:59,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:23:00,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:23:02,139 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-11-22 00:23:02,140 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:23:02,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334640807] [2022-11-22 00:23:02,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334640807] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:23:02,141 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:23:02,141 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 00:23:02,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661287921] [2022-11-22 00:23:02,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:23:02,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 00:23:02,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:23:02,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 00:23:02,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:23:02,144 INFO L87 Difference]: Start difference. First operand 30087 states and 43877 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) [2022-11-22 00:23:13,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:23:15,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 00:23:18,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:23:20,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:23:24,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:23:29,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:23:29,352 INFO L93 Difference]: Finished difference Result 33507 states and 48311 transitions. [2022-11-22 00:23:29,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-22 00:23:29,352 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 [2022-11-22 00:23:29,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:23:29,447 INFO L225 Difference]: With dead ends: 33507 [2022-11-22 00:23:29,447 INFO L226 Difference]: Without dead ends: 33505 [2022-11-22 00:23:29,461 INFO L412 NwaCegarLoop]: 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 [2022-11-22 00:23:29,461 INFO L413 NwaCegarLoop]: 7487 mSDtfsCounter, 5944 mSDsluCounter, 19405 mSDsCounter, 0 mSdLazyCounter, 3035 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5951 SdHoareTripleChecker+Valid, 26892 SdHoareTripleChecker+Invalid, 3040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 3035 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.7s IncrementalHoareTripleChecker+Time [2022-11-22 00:23:29,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5951 Valid, 26892 Invalid, 3040 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 3035 Invalid, 2 Unknown, 0 Unchecked, 24.7s Time] [2022-11-22 00:23:29,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33505 states. [2022-11-22 00:23:31,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33505 to 33289. [2022-11-22 00:23:31,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33289 states, 19350 states have (on average 1.2827906976744186) internal successors, (24822), 20111 states have internal predecessors, (24822), 11605 states have call successors, (11605), 2332 states have call predecessors, (11605), 2306 states have return successors, (11626), 11321 states have call predecessors, (11626), 11595 states have call successors, (11626) [2022-11-22 00:23:31,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33289 states to 33289 states and 48053 transitions. [2022-11-22 00:23:31,699 INFO L78 Accepts]: Start accepts. Automaton has 33289 states and 48053 transitions. Word has length 121 [2022-11-22 00:23:31,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:23:31,699 INFO L495 AbstractCegarLoop]: Abstraction has 33289 states and 48053 transitions. [2022-11-22 00:23:31,699 INFO L496 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) [2022-11-22 00:23:31,699 INFO L276 IsEmpty]: Start isEmpty. Operand 33289 states and 48053 transitions. [2022-11-22 00:23:31,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-11-22 00:23:31,702 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:23:31,702 INFO L195 NwaCegarLoop]: 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] [2022-11-22 00:23:31,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-22 00:23:31,702 INFO L420 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)] === [2022-11-22 00:23:31,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:23:31,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1857632820, now seen corresponding path program 1 times [2022-11-22 00:23:31,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:23:31,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231151197] [2022-11-22 00:23:31,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:23:31,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:23:31,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:23:33,017 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2022-11-22 00:23:33,017 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:23:33,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231151197] [2022-11-22 00:23:33,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231151197] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:23:33,018 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:23:33,018 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 00:23:33,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800862126] [2022-11-22 00:23:33,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:23:33,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 00:23:33,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:23:33,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 00:23:33,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:23:33,020 INFO L87 Difference]: Start difference. First operand 33289 states and 48053 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) [2022-11-22 00:23:38,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:23:40,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:23:49,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:23:50,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 00:23:52,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 00:23:54,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 00:23:56,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 00:24:01,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:24:05,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:24:05,937 INFO L93 Difference]: Finished difference Result 33323 states and 48078 transitions. [2022-11-22 00:24:05,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 00:24:05,937 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 [2022-11-22 00:24:05,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:24:06,030 INFO L225 Difference]: With dead ends: 33323 [2022-11-22 00:24:06,031 INFO L226 Difference]: Without dead ends: 33321 [2022-11-22 00:24:06,044 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-22 00:24:06,045 INFO L413 NwaCegarLoop]: 6273 mSDtfsCounter, 49 mSDsluCounter, 18773 mSDsCounter, 0 mSdLazyCounter, 3110 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 25046 SdHoareTripleChecker+Invalid, 3114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3110 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.8s IncrementalHoareTripleChecker+Time [2022-11-22 00:24:06,045 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 25046 Invalid, 3114 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 3110 Invalid, 3 Unknown, 0 Unchecked, 30.8s Time] [2022-11-22 00:24:06,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33321 states. [2022-11-22 00:24:08,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33321 to 33321. [2022-11-22 00:24:08,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33321 states, 19370 states have (on average 1.2823954568921012) internal successors, (24840), 20131 states have internal predecessors, (24840), 11605 states have call successors, (11605), 2344 states have call predecessors, (11605), 2318 states have return successors, (11626), 11321 states have call predecessors, (11626), 11595 states have call successors, (11626) [2022-11-22 00:24:08,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33321 states to 33321 states and 48071 transitions. [2022-11-22 00:24:08,383 INFO L78 Accepts]: Start accepts. Automaton has 33321 states and 48071 transitions. Word has length 121 [2022-11-22 00:24:08,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:24:08,383 INFO L495 AbstractCegarLoop]: Abstraction has 33321 states and 48071 transitions. [2022-11-22 00:24:08,383 INFO L496 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) [2022-11-22 00:24:08,383 INFO L276 IsEmpty]: Start isEmpty. Operand 33321 states and 48071 transitions. [2022-11-22 00:24:08,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-22 00:24:08,386 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:24:08,386 INFO L195 NwaCegarLoop]: 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] [2022-11-22 00:24:08,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-22 00:24:08,386 INFO L420 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)] === [2022-11-22 00:24:08,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:24:08,387 INFO L85 PathProgramCache]: Analyzing trace with hash -1840239781, now seen corresponding path program 1 times [2022-11-22 00:24:08,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:24:08,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889284171] [2022-11-22 00:24:08,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:24:08,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:24:08,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:24:09,330 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-22 00:24:09,331 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:24:09,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889284171] [2022-11-22 00:24:09,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889284171] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:24:09,331 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:24:09,331 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 00:24:09,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432079118] [2022-11-22 00:24:09,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:24:09,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:24:09,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:24:09,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:24:09,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:24:09,333 INFO L87 Difference]: Start difference. First operand 33321 states and 48071 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-22 00:24:15,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:24:18,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:24:21,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 00:24:24,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:24:26,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:24:27,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:24:32,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:24:37,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:24:37,564 INFO L93 Difference]: Finished difference Result 33391 states and 48140 transitions. [2022-11-22 00:24:37,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 00:24:37,565 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 115 [2022-11-22 00:24:37,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:24:37,649 INFO L225 Difference]: With dead ends: 33391 [2022-11-22 00:24:37,649 INFO L226 Difference]: Without dead ends: 33389 [2022-11-22 00:24:37,659 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:24:37,660 INFO L413 NwaCegarLoop]: 8329 mSDtfsCounter, 6972 mSDsluCounter, 14571 mSDsCounter, 0 mSdLazyCounter, 2436 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6974 SdHoareTripleChecker+Valid, 22900 SdHoareTripleChecker+Invalid, 2439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2436 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.5s IncrementalHoareTripleChecker+Time [2022-11-22 00:24:37,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6974 Valid, 22900 Invalid, 2439 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2436 Invalid, 2 Unknown, 0 Unchecked, 25.5s Time] [2022-11-22 00:24:37,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33389 states. [2022-11-22 00:24:39,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33389 to 33327. [2022-11-22 00:24:39,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33327 states, 19373 states have (on average 1.2823517266298456) internal successors, (24843), 20134 states have internal predecessors, (24843), 11607 states have call successors, (11607), 2345 states have call predecessors, (11607), 2319 states have return successors, (11628), 11323 states have call predecessors, (11628), 11597 states have call successors, (11628) [2022-11-22 00:24:40,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33327 states to 33327 states and 48078 transitions. [2022-11-22 00:24:40,100 INFO L78 Accepts]: Start accepts. Automaton has 33327 states and 48078 transitions. Word has length 115 [2022-11-22 00:24:40,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:24:40,101 INFO L495 AbstractCegarLoop]: Abstraction has 33327 states and 48078 transitions. [2022-11-22 00:24:40,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-22 00:24:40,101 INFO L276 IsEmpty]: Start isEmpty. Operand 33327 states and 48078 transitions. [2022-11-22 00:24:40,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-11-22 00:24:40,104 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:24:40,104 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1] [2022-11-22 00:24:40,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-22 00:24:40,104 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-22 00:24:40,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:24:40,105 INFO L85 PathProgramCache]: Analyzing trace with hash -220720224, now seen corresponding path program 1 times [2022-11-22 00:24:40,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:24:40,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931371086] [2022-11-22 00:24:40,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:24:40,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:24:40,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:24:42,639 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-22 00:24:42,639 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:24:42,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931371086] [2022-11-22 00:24:42,640 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931371086] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:24:42,640 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:24:42,640 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 00:24:42,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173587728] [2022-11-22 00:24:42,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:24:42,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:24:42,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:24:42,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:24:42,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:24:42,644 INFO L87 Difference]: Start difference. First operand 33327 states and 48078 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-22 00:24:45,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:24:52,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:24:54,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 00:24:58,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:25:00,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:25:05,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:25:10,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:25:10,121 INFO L93 Difference]: Finished difference Result 33389 states and 48138 transitions. [2022-11-22 00:25:10,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 00:25:10,122 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 120 [2022-11-22 00:25:10,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:25:10,213 INFO L225 Difference]: With dead ends: 33389 [2022-11-22 00:25:10,214 INFO L226 Difference]: Without dead ends: 33387 [2022-11-22 00:25:10,225 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:25:10,226 INFO L413 NwaCegarLoop]: 8329 mSDtfsCounter, 6969 mSDsluCounter, 14571 mSDsCounter, 0 mSdLazyCounter, 2435 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6971 SdHoareTripleChecker+Valid, 22900 SdHoareTripleChecker+Invalid, 2439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2435 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.6s IncrementalHoareTripleChecker+Time [2022-11-22 00:25:10,226 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6971 Valid, 22900 Invalid, 2439 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2435 Invalid, 3 Unknown, 0 Unchecked, 24.6s Time] [2022-11-22 00:25:10,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33387 states. [2022-11-22 00:25:12,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33387 to 33333. [2022-11-22 00:25:12,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33333 states, 19376 states have (on average 1.282308009909166) internal successors, (24846), 20137 states have internal predecessors, (24846), 11609 states have call successors, (11609), 2346 states have call predecessors, (11609), 2320 states have return successors, (11630), 11325 states have call predecessors, (11630), 11599 states have call successors, (11630) [2022-11-22 00:25:12,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33333 states to 33333 states and 48085 transitions. [2022-11-22 00:25:12,700 INFO L78 Accepts]: Start accepts. Automaton has 33333 states and 48085 transitions. Word has length 120 [2022-11-22 00:25:12,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:25:12,700 INFO L495 AbstractCegarLoop]: Abstraction has 33333 states and 48085 transitions. [2022-11-22 00:25:12,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-22 00:25:12,701 INFO L276 IsEmpty]: Start isEmpty. Operand 33333 states and 48085 transitions. [2022-11-22 00:25:12,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-11-22 00:25:12,703 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:25:12,704 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:25:12,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-22 00:25:12,704 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-22 00:25:12,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:25:12,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1041746601, now seen corresponding path program 1 times [2022-11-22 00:25:12,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:25:12,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437073907] [2022-11-22 00:25:12,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:25:12,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:25:12,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:25:13,956 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-22 00:25:13,957 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:25:13,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437073907] [2022-11-22 00:25:13,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437073907] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:25:13,957 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:25:13,958 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 00:25:13,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435336027] [2022-11-22 00:25:13,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:25:13,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:25:13,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:25:13,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:25:13,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:25:13,959 INFO L87 Difference]: Start difference. First operand 33333 states and 48085 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-22 00:25:18,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:25:24,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:25:26,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 00:25:29,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:25:35,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:25:40,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:25:40,150 INFO L93 Difference]: Finished difference Result 33387 states and 48136 transitions. [2022-11-22 00:25:40,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 00:25:40,153 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 125 [2022-11-22 00:25:40,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:25:40,238 INFO L225 Difference]: With dead ends: 33387 [2022-11-22 00:25:40,238 INFO L226 Difference]: Without dead ends: 33385 [2022-11-22 00:25:40,248 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:25:40,249 INFO L413 NwaCegarLoop]: 8329 mSDtfsCounter, 6966 mSDsluCounter, 14571 mSDsCounter, 0 mSdLazyCounter, 2436 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6968 SdHoareTripleChecker+Valid, 22900 SdHoareTripleChecker+Invalid, 2439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2436 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.3s IncrementalHoareTripleChecker+Time [2022-11-22 00:25:40,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6968 Valid, 22900 Invalid, 2439 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2436 Invalid, 2 Unknown, 0 Unchecked, 23.3s Time] [2022-11-22 00:25:40,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33385 states. [2022-11-22 00:25:42,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33385 to 33339. [2022-11-22 00:25:42,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33339 states, 19379 states have (on average 1.2822643067237731) internal successors, (24849), 20140 states have internal predecessors, (24849), 11611 states have call successors, (11611), 2347 states have call predecessors, (11611), 2321 states have return successors, (11632), 11327 states have call predecessors, (11632), 11601 states have call successors, (11632) [2022-11-22 00:25:42,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33339 states to 33339 states and 48092 transitions. [2022-11-22 00:25:42,760 INFO L78 Accepts]: Start accepts. Automaton has 33339 states and 48092 transitions. Word has length 125 [2022-11-22 00:25:42,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:25:42,760 INFO L495 AbstractCegarLoop]: Abstraction has 33339 states and 48092 transitions. [2022-11-22 00:25:42,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-22 00:25:42,760 INFO L276 IsEmpty]: Start isEmpty. Operand 33339 states and 48092 transitions. [2022-11-22 00:25:42,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-22 00:25:42,763 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:25:42,763 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:25:42,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-22 00:25:42,763 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-22 00:25:42,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:25:42,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1513541413, now seen corresponding path program 1 times [2022-11-22 00:25:42,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:25:42,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649319652] [2022-11-22 00:25:42,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:25:42,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:25:42,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:25:44,022 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-22 00:25:44,023 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:25:44,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649319652] [2022-11-22 00:25:44,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649319652] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:25:44,023 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:25:44,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 00:25:44,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322637674] [2022-11-22 00:25:44,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:25:44,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:25:44,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:25:44,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:25:44,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:25:44,025 INFO L87 Difference]: Start difference. First operand 33339 states and 48092 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-22 00:25:53,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:25:55,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 00:25:57,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 00:26:03,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:26:07,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:26:09,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:26:09,358 INFO L93 Difference]: Finished difference Result 33381 states and 48116 transitions. [2022-11-22 00:26:09,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 00:26:09,359 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 130 [2022-11-22 00:26:09,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:26:09,459 INFO L225 Difference]: With dead ends: 33381 [2022-11-22 00:26:09,459 INFO L226 Difference]: Without dead ends: 33379 [2022-11-22 00:26:09,471 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:26:09,472 INFO L413 NwaCegarLoop]: 7234 mSDtfsCounter, 6992 mSDsluCounter, 10863 mSDsCounter, 0 mSdLazyCounter, 2003 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6994 SdHoareTripleChecker+Valid, 18097 SdHoareTripleChecker+Invalid, 2006 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2003 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.7s IncrementalHoareTripleChecker+Time [2022-11-22 00:26:09,472 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6994 Valid, 18097 Invalid, 2006 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2003 Invalid, 2 Unknown, 0 Unchecked, 22.7s Time] [2022-11-22 00:26:09,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33379 states. [2022-11-22 00:26:12,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33379 to 33339. [2022-11-22 00:26:12,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33339 states, 19379 states have (on average 1.282212704473915) internal successors, (24848), 20140 states have internal predecessors, (24848), 11611 states have call successors, (11611), 2347 states have call predecessors, (11611), 2321 states have return successors, (11632), 11327 states have call predecessors, (11632), 11601 states have call successors, (11632) [2022-11-22 00:26:12,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33339 states to 33339 states and 48091 transitions. [2022-11-22 00:26:12,309 INFO L78 Accepts]: Start accepts. Automaton has 33339 states and 48091 transitions. Word has length 130 [2022-11-22 00:26:12,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:26:12,310 INFO L495 AbstractCegarLoop]: Abstraction has 33339 states and 48091 transitions. [2022-11-22 00:26:12,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-22 00:26:12,311 INFO L276 IsEmpty]: Start isEmpty. Operand 33339 states and 48091 transitions. [2022-11-22 00:26:12,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-11-22 00:26:12,314 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:26:12,314 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:26:12,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-22 00:26:12,315 INFO L420 AbstractCegarLoop]: === Iteration 24 === 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)] === [2022-11-22 00:26:12,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:26:12,315 INFO L85 PathProgramCache]: Analyzing trace with hash -2088297687, now seen corresponding path program 1 times [2022-11-22 00:26:12,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:26:12,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734460373] [2022-11-22 00:26:12,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:26:12,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:26:12,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:26:13,774 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2022-11-22 00:26:13,774 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:26:13,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734460373] [2022-11-22 00:26:13,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734460373] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:26:13,775 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:26:13,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 00:26:13,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593938933] [2022-11-22 00:26:13,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:26:13,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 00:26:13,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:26:13,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 00:26:13,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:26:13,777 INFO L87 Difference]: Start difference. First operand 33339 states and 48091 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-22 00:26:20,916 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:26:22,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:26:30,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:26:33,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 00:26:35,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:26:37,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:26:39,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:26:46,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:26:46,048 INFO L93 Difference]: Finished difference Result 33542 states and 48273 transitions. [2022-11-22 00:26:46,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-22 00:26:46,049 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 141 [2022-11-22 00:26:46,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:26:46,167 INFO L225 Difference]: With dead ends: 33542 [2022-11-22 00:26:46,167 INFO L226 Difference]: Without dead ends: 33532 [2022-11-22 00:26:46,182 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-22 00:26:46,183 INFO L413 NwaCegarLoop]: 6304 mSDtfsCounter, 1175 mSDsluCounter, 17854 mSDsCounter, 0 mSdLazyCounter, 3098 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1177 SdHoareTripleChecker+Valid, 24158 SdHoareTripleChecker+Invalid, 3102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3098 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.6s IncrementalHoareTripleChecker+Time [2022-11-22 00:26:46,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1177 Valid, 24158 Invalid, 3102 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 3098 Invalid, 3 Unknown, 0 Unchecked, 29.6s Time] [2022-11-22 00:26:46,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33532 states. [2022-11-22 00:26:48,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33532 to 33523. [2022-11-22 00:26:48,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33523 states, 19489 states have (on average 1.2806198368310329) internal successors, (24958), 20246 states have internal predecessors, (24958), 11625 states have call successors, (11625), 2408 states have call predecessors, (11625), 2381 states have return successors, (11654), 11348 states have call predecessors, (11654), 11623 states have call successors, (11654) [2022-11-22 00:26:48,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33523 states to 33523 states and 48237 transitions. [2022-11-22 00:26:48,952 INFO L78 Accepts]: Start accepts. Automaton has 33523 states and 48237 transitions. Word has length 141 [2022-11-22 00:26:48,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:26:48,953 INFO L495 AbstractCegarLoop]: Abstraction has 33523 states and 48237 transitions. [2022-11-22 00:26:48,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-22 00:26:48,954 INFO L276 IsEmpty]: Start isEmpty. Operand 33523 states and 48237 transitions. [2022-11-22 00:26:48,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-11-22 00:26:48,958 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:26:48,958 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:26:48,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-22 00:26:48,959 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-22 00:26:48,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:26:48,959 INFO L85 PathProgramCache]: Analyzing trace with hash -951316154, now seen corresponding path program 1 times [2022-11-22 00:26:48,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:26:48,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021642501] [2022-11-22 00:26:48,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:26:48,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:26:49,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:26:49,984 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-22 00:26:49,984 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:26:49,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021642501] [2022-11-22 00:26:49,984 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021642501] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:26:49,984 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:26:49,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 00:26:49,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636542086] [2022-11-22 00:26:49,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:26:49,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:26:49,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:26:49,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:26:49,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:26:49,986 INFO L87 Difference]: Start difference. First operand 33523 states and 48237 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-22 00:26:52,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:26:54,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:27:01,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:27:03,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 00:27:07,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:27:14,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:27:19,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:27:19,691 INFO L93 Difference]: Finished difference Result 33567 states and 48277 transitions. [2022-11-22 00:27:19,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 00:27:19,692 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 135 [2022-11-22 00:27:19,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:27:19,800 INFO L225 Difference]: With dead ends: 33567 [2022-11-22 00:27:19,800 INFO L226 Difference]: Without dead ends: 33565 [2022-11-22 00:27:19,813 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:27:19,813 INFO L413 NwaCegarLoop]: 8327 mSDtfsCounter, 6958 mSDsluCounter, 14567 mSDsCounter, 0 mSdLazyCounter, 2436 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6960 SdHoareTripleChecker+Valid, 22894 SdHoareTripleChecker+Invalid, 2439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2436 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.5s IncrementalHoareTripleChecker+Time [2022-11-22 00:27:19,813 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6960 Valid, 22894 Invalid, 2439 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2436 Invalid, 2 Unknown, 0 Unchecked, 26.5s Time] [2022-11-22 00:27:19,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33565 states. [2022-11-22 00:27:22,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33565 to 33535. [2022-11-22 00:27:22,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33535 states, 19495 states have (on average 1.2805334701205437) internal successors, (24964), 20252 states have internal predecessors, (24964), 11629 states have call successors, (11629), 2410 states have call predecessors, (11629), 2383 states have return successors, (11658), 11352 states have call predecessors, (11658), 11627 states have call successors, (11658) [2022-11-22 00:27:22,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33535 states to 33535 states and 48251 transitions. [2022-11-22 00:27:22,626 INFO L78 Accepts]: Start accepts. Automaton has 33535 states and 48251 transitions. Word has length 135 [2022-11-22 00:27:22,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:27:22,627 INFO L495 AbstractCegarLoop]: Abstraction has 33535 states and 48251 transitions. [2022-11-22 00:27:22,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-22 00:27:22,627 INFO L276 IsEmpty]: Start isEmpty. Operand 33535 states and 48251 transitions. [2022-11-22 00:27:22,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-11-22 00:27:22,630 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:27:22,630 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:27:22,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-22 00:27:22,630 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_linux_usb_gadget_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)] === [2022-11-22 00:27:22,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:27:22,631 INFO L85 PathProgramCache]: Analyzing trace with hash -1587241984, now seen corresponding path program 1 times [2022-11-22 00:27:22,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:27:22,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623311101] [2022-11-22 00:27:22,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:27:22,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:27:22,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:27:23,439 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-22 00:27:23,439 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:27:23,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623311101] [2022-11-22 00:27:23,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623311101] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:27:23,440 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:27:23,440 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 00:27:23,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758934397] [2022-11-22 00:27:23,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:27:23,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:27:23,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:27:23,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:27:23,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 00:27:23,442 INFO L87 Difference]: Start difference. First operand 33535 states and 48251 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-22 00:27:26,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:27:28,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:27:34,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:27:36,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 00:27:38,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 00:27:40,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:27:42,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:27:44,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []