./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 5e519f3a 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_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/bin/utaipan-7li7fVZpFI/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_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/bin/utaipan-7li7fVZpFI --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-5e519f3 [2022-11-03 02:36:58,086 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:36:58,089 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:36:58,135 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:36:58,135 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:36:58,139 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:36:58,142 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:36:58,147 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:36:58,151 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:36:58,156 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:36:58,157 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:36:58,158 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:36:58,159 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:36:58,160 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:36:58,161 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:36:58,162 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:36:58,162 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:36:58,163 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:36:58,165 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:36:58,170 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:36:58,172 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:36:58,174 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:36:58,177 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:36:58,178 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:36:58,190 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:36:58,190 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:36:58,191 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:36:58,192 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:36:58,193 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:36:58,194 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:36:58,194 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:36:58,195 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:36:58,197 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:36:58,198 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:36:58,199 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:36:58,200 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:36:58,200 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:36:58,201 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:36:58,201 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:36:58,202 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:36:58,203 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:36:58,203 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 02:36:58,242 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:36:58,242 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:36:58,243 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:36:58,243 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:36:58,244 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:36:58,244 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:36:58,245 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:36:58,245 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:36:58,245 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:36:58,245 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:36:58,246 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:36:58,247 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:36:58,247 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:36:58,247 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:36:58,248 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:36:58,248 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:36:58,248 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:36:58,248 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:36:58,249 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:36:58,250 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:36:58,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:36:58,250 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:36:58,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:36:58,252 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:36:58,252 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:36:58,253 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:36:58,253 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:36:58,253 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:36:58,253 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:36:58,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:36:58,254 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:36:58,255 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:36:58,255 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:36:58,255 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:36:58,255 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:36:58,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:36:58,256 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:36:58,269 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:36:58,269 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_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e65ce0ca1630c9676f80f28ff5aee772276e1a4ab72beeeb2195c791073f2dc7 [2022-11-03 02:36:58,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:36:58,611 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:36:58,614 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:36:58,616 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:36:58,617 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:36:58,619 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i [2022-11-03 02:36:58,717 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/bin/utaipan-7li7fVZpFI/data/504b16c86/672c31cc7791491ab9a32dba2dade813/FLAG636aa1dcf [2022-11-03 02:36:59,916 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:36:59,917 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i [2022-11-03 02:37:00,011 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/bin/utaipan-7li7fVZpFI/data/504b16c86/672c31cc7791491ab9a32dba2dade813/FLAG636aa1dcf [2022-11-03 02:37:00,513 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/bin/utaipan-7li7fVZpFI/data/504b16c86/672c31cc7791491ab9a32dba2dade813 [2022-11-03 02:37:00,515 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:37:00,517 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:37:00,520 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:37:00,521 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:37:00,524 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:37:00,526 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:37:00" (1/1) ... [2022-11-03 02:37:00,527 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9aeffc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:37:00, skipping insertion in model container [2022-11-03 02:37:00,527 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:37:00" (1/1) ... [2022-11-03 02:37:00,535 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:37:00,872 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:37:13,835 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[969751,969764] [2022-11-03 02:37:13,838 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[969896,969909] [2022-11-03 02:37:13,839 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[970042,970055] [2022-11-03 02:37:13,840 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[970207,970220] [2022-11-03 02:37:13,840 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[970365,970378] [2022-11-03 02:37:13,841 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[970523,970536] [2022-11-03 02:37:13,841 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[970681,970694] [2022-11-03 02:37:13,842 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[970841,970854] [2022-11-03 02:37:13,842 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971000,971013] [2022-11-03 02:37:13,843 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971139,971152] [2022-11-03 02:37:13,843 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971281,971294] [2022-11-03 02:37:13,844 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971430,971443] [2022-11-03 02:37:13,844 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971569,971582] [2022-11-03 02:37:13,845 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971724,971737] [2022-11-03 02:37:13,845 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971884,971897] [2022-11-03 02:37:13,846 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972035,972048] [2022-11-03 02:37:13,846 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972186,972199] [2022-11-03 02:37:13,847 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972338,972351] [2022-11-03 02:37:13,847 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972487,972500] [2022-11-03 02:37:13,848 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972635,972648] [2022-11-03 02:37:13,848 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972792,972805] [2022-11-03 02:37:13,848 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972941,972954] [2022-11-03 02:37:13,849 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973097,973110] [2022-11-03 02:37:13,849 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973250,973263] [2022-11-03 02:37:13,850 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973396,973409] [2022-11-03 02:37:13,850 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973539,973552] [2022-11-03 02:37:13,851 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973691,973704] [2022-11-03 02:37:13,851 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973837,973850] [2022-11-03 02:37:13,852 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973982,973995] [2022-11-03 02:37:13,852 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[974136,974149] [2022-11-03 02:37:13,853 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[974287,974300] [2022-11-03 02:37:13,853 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[974442,974455] [2022-11-03 02:37:13,854 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[974594,974607] [2022-11-03 02:37:13,854 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[974749,974762] [2022-11-03 02:37:13,855 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[974913,974926] [2022-11-03 02:37:13,855 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[975069,975082] [2022-11-03 02:37:13,856 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[975233,975246] [2022-11-03 02:37:13,856 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[975375,975388] [2022-11-03 02:37:13,857 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[975533,975546] [2022-11-03 02:37:13,857 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[975700,975713] [2022-11-03 02:37:13,858 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[975859,975872] [2022-11-03 02:37:13,858 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976018,976031] [2022-11-03 02:37:13,859 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976167,976180] [2022-11-03 02:37:13,859 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976314,976327] [2022-11-03 02:37:13,860 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976453,976466] [2022-11-03 02:37:13,860 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976616,976629] [2022-11-03 02:37:13,861 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976782,976795] [2022-11-03 02:37:13,861 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976946,976959] [2022-11-03 02:37:13,861 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[977111,977124] [2022-11-03 02:37:13,862 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[977276,977289] [2022-11-03 02:37:13,863 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[977442,977455] [2022-11-03 02:37:13,863 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[977607,977620] [2022-11-03 02:37:13,864 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[977774,977787] [2022-11-03 02:37:13,864 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[977934,977947] [2022-11-03 02:37:13,864 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978096,978109] [2022-11-03 02:37:13,865 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978255,978268] [2022-11-03 02:37:13,865 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978401,978414] [2022-11-03 02:37:13,866 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978544,978557] [2022-11-03 02:37:13,866 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978688,978701] [2022-11-03 02:37:13,867 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978831,978844] [2022-11-03 02:37:13,867 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978975,978988] [2022-11-03 02:37:13,868 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[979116,979129] [2022-11-03 02:37:13,868 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[979254,979267] [2022-11-03 02:37:13,870 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[979412,979425] [2022-11-03 02:37:13,871 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[979571,979584] [2022-11-03 02:37:13,871 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[979727,979740] [2022-11-03 02:37:13,872 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[979876,979889] [2022-11-03 02:37:13,872 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980028,980041] [2022-11-03 02:37:13,872 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980179,980192] [2022-11-03 02:37:13,873 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980328,980341] [2022-11-03 02:37:13,873 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980480,980493] [2022-11-03 02:37:13,873 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980628,980641] [2022-11-03 02:37:13,874 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980781,980794] [2022-11-03 02:37:13,874 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980932,980945] [2022-11-03 02:37:13,875 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[981082,981095] [2022-11-03 02:37:13,875 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[981229,981242] [2022-11-03 02:37:13,875 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[981380,981393] [2022-11-03 02:37:13,910 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[981531,981544] [2022-11-03 02:37:13,911 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[981679,981692] [2022-11-03 02:37:13,911 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[981845,981858] [2022-11-03 02:37:13,919 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982014,982027] [2022-11-03 02:37:13,920 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982181,982194] [2022-11-03 02:37:13,921 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982349,982362] [2022-11-03 02:37:13,921 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982499,982512] [2022-11-03 02:37:13,921 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982646,982659] [2022-11-03 02:37:13,922 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982807,982820] [2022-11-03 02:37:13,922 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982977,982990] [2022-11-03 02:37:13,923 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[983139,983152] [2022-11-03 02:37:13,975 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:37:14,014 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:37:15,193 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[969751,969764] [2022-11-03 02:37:15,194 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[969896,969909] [2022-11-03 02:37:15,195 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[970042,970055] [2022-11-03 02:37:15,195 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[970207,970220] [2022-11-03 02:37:15,195 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[970365,970378] [2022-11-03 02:37:15,196 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[970523,970536] [2022-11-03 02:37:15,196 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[970681,970694] [2022-11-03 02:37:15,197 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[970841,970854] [2022-11-03 02:37:15,197 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971000,971013] [2022-11-03 02:37:15,197 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971139,971152] [2022-11-03 02:37:15,198 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971281,971294] [2022-11-03 02:37:15,199 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971430,971443] [2022-11-03 02:37:15,199 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971569,971582] [2022-11-03 02:37:15,200 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971724,971737] [2022-11-03 02:37:15,200 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971884,971897] [2022-11-03 02:37:15,201 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972035,972048] [2022-11-03 02:37:15,201 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972186,972199] [2022-11-03 02:37:15,201 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972338,972351] [2022-11-03 02:37:15,202 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972487,972500] [2022-11-03 02:37:15,202 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972635,972648] [2022-11-03 02:37:15,203 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972792,972805] [2022-11-03 02:37:15,203 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972941,972954] [2022-11-03 02:37:15,203 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973097,973110] [2022-11-03 02:37:15,205 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973250,973263] [2022-11-03 02:37:15,205 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973396,973409] [2022-11-03 02:37:15,206 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973539,973552] [2022-11-03 02:37:15,206 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973691,973704] [2022-11-03 02:37:15,207 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973837,973850] [2022-11-03 02:37:15,207 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973982,973995] [2022-11-03 02:37:15,208 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[974136,974149] [2022-11-03 02:37:15,208 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[974287,974300] [2022-11-03 02:37:15,208 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[974442,974455] [2022-11-03 02:37:15,209 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[974594,974607] [2022-11-03 02:37:15,210 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[974749,974762] [2022-11-03 02:37:15,210 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[974913,974926] [2022-11-03 02:37:15,211 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[975069,975082] [2022-11-03 02:37:15,212 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[975233,975246] [2022-11-03 02:37:15,213 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[975375,975388] [2022-11-03 02:37:15,213 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[975533,975546] [2022-11-03 02:37:15,214 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[975700,975713] [2022-11-03 02:37:15,215 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[975859,975872] [2022-11-03 02:37:15,215 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976018,976031] [2022-11-03 02:37:15,216 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976167,976180] [2022-11-03 02:37:15,216 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976314,976327] [2022-11-03 02:37:15,217 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976453,976466] [2022-11-03 02:37:15,217 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976616,976629] [2022-11-03 02:37:15,218 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976782,976795] [2022-11-03 02:37:15,218 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976946,976959] [2022-11-03 02:37:15,218 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[977111,977124] [2022-11-03 02:37:15,219 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[977276,977289] [2022-11-03 02:37:15,220 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[977442,977455] [2022-11-03 02:37:15,221 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[977607,977620] [2022-11-03 02:37:15,222 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[977774,977787] [2022-11-03 02:37:15,222 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[977934,977947] [2022-11-03 02:37:15,223 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978096,978109] [2022-11-03 02:37:15,225 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978255,978268] [2022-11-03 02:37:15,228 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978401,978414] [2022-11-03 02:37:15,229 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978544,978557] [2022-11-03 02:37:15,230 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978688,978701] [2022-11-03 02:37:15,230 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978831,978844] [2022-11-03 02:37:15,231 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978975,978988] [2022-11-03 02:37:15,232 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[979116,979129] [2022-11-03 02:37:15,233 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[979254,979267] [2022-11-03 02:37:15,238 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[979412,979425] [2022-11-03 02:37:15,239 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[979571,979584] [2022-11-03 02:37:15,244 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[979727,979740] [2022-11-03 02:37:15,244 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[979876,979889] [2022-11-03 02:37:15,245 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980028,980041] [2022-11-03 02:37:15,245 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980179,980192] [2022-11-03 02:37:15,245 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980328,980341] [2022-11-03 02:37:15,246 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980480,980493] [2022-11-03 02:37:15,246 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980628,980641] [2022-11-03 02:37:15,247 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980781,980794] [2022-11-03 02:37:15,247 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980932,980945] [2022-11-03 02:37:15,247 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[981082,981095] [2022-11-03 02:37:15,248 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[981229,981242] [2022-11-03 02:37:15,248 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[981380,981393] [2022-11-03 02:37:15,248 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[981531,981544] [2022-11-03 02:37:15,250 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[981679,981692] [2022-11-03 02:37:15,251 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[981845,981858] [2022-11-03 02:37:15,251 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982014,982027] [2022-11-03 02:37:15,252 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982181,982194] [2022-11-03 02:37:15,253 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982349,982362] [2022-11-03 02:37:15,253 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982499,982512] [2022-11-03 02:37:15,253 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982646,982659] [2022-11-03 02:37:15,254 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982807,982820] [2022-11-03 02:37:15,254 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982977,982990] [2022-11-03 02:37:15,255 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[983139,983152] [2022-11-03 02:37:15,267 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:37:15,941 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:37:15,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:37:15 WrapperNode [2022-11-03 02:37:15,941 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:37:15,942 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:37:15,943 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:37:15,943 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:37:15,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:37:15" (1/1) ... [2022-11-03 02:37:16,197 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:37:15" (1/1) ... [2022-11-03 02:37:16,835 INFO L138 Inliner]: procedures = 1073, calls = 9645, calls flagged for inlining = 511, calls inlined = 406, statements flattened = 20860 [2022-11-03 02:37:16,835 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:37:16,836 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:37:16,836 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:37:16,836 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:37:16,852 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:37:15" (1/1) ... [2022-11-03 02:37:16,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:37:15" (1/1) ... [2022-11-03 02:37:17,039 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:37:15" (1/1) ... [2022-11-03 02:37:17,039 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:37:15" (1/1) ... [2022-11-03 02:37:17,422 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:37:15" (1/1) ... [2022-11-03 02:37:17,668 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:37:15" (1/1) ... [2022-11-03 02:37:17,870 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:37:15" (1/1) ... [2022-11-03 02:37:17,972 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:37:15" (1/1) ... [2022-11-03 02:37:18,218 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:37:18,220 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:37:18,220 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:37:18,220 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:37:18,223 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:37:15" (1/1) ... [2022-11-03 02:37:18,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:37:18,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:37:18,304 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:37:18,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:37:18,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_122 [2022-11-03 02:37:18,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_122 [2022-11-03 02:37:18,469 INFO L130 BoogieDeclarations]: Found specification of procedure free_io_sgl_handle [2022-11-03 02:37:18,469 INFO L138 BoogieDeclarations]: Found implementation of procedure free_io_sgl_handle [2022-11-03 02:37:18,470 INFO L130 BoogieDeclarations]: Found specification of procedure be_mbox_notify_wait [2022-11-03 02:37:18,470 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mbox_notify_wait [2022-11-03 02:37:18,470 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-11-03 02:37:18,470 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-11-03 02:37:18,470 INFO L130 BoogieDeclarations]: Found specification of procedure amap_get [2022-11-03 02:37:18,471 INFO L138 BoogieDeclarations]: Found implementation of procedure amap_get [2022-11-03 02:37:18,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-03 02:37:18,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-03 02:37:18,471 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-11-03 02:37:18,472 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-11-03 02:37:18,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-03 02:37:18,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-03 02:37:18,472 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_mcc_tag [2022-11-03 02:37:18,472 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_mcc_tag [2022-11-03 02:37:18,473 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-03 02:37:18,473 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-03 02:37:18,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_159 [2022-11-03 02:37:18,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_159 [2022-11-03 02:37:18,474 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-03 02:37:18,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-03 02:37:18,474 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2022-11-03 02:37:18,474 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2022-11-03 02:37:18,474 INFO L130 BoogieDeclarations]: Found specification of procedure swap_dws [2022-11-03 02:37:18,475 INFO L138 BoogieDeclarations]: Found implementation of procedure swap_dws [2022-11-03 02:37:18,475 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-03 02:37:18,475 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-03 02:37:18,475 INFO L130 BoogieDeclarations]: Found specification of procedure free_mcc_tag [2022-11-03 02:37:18,476 INFO L138 BoogieDeclarations]: Found implementation of procedure free_mcc_tag [2022-11-03 02:37:18,476 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_enable_intr [2022-11-03 02:37:18,476 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_enable_intr [2022-11-03 02:37:18,476 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_free_mem [2022-11-03 02:37:18,476 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_free_mem [2022-11-03 02:37:18,477 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_get_async_busy_list [2022-11-03 02:37:18,477 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_get_async_busy_list [2022-11-03 02:37:18,477 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-03 02:37:18,477 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-03 02:37:18,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-03 02:37:18,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-03 02:37:18,478 INFO L130 BoogieDeclarations]: Found specification of procedure __rounddown_pow_of_two [2022-11-03 02:37:18,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __rounddown_pow_of_two [2022-11-03 02:37:18,478 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-03 02:37:18,486 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-03 02:37:18,486 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-03 02:37:18,487 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-03 02:37:18,487 INFO L130 BoogieDeclarations]: Found specification of procedure be_queue_free [2022-11-03 02:37:18,487 INFO L138 BoogieDeclarations]: Found implementation of procedure be_queue_free [2022-11-03 02:37:18,488 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-11-03 02:37:18,488 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-11-03 02:37:18,488 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-03 02:37:18,488 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-03 02:37:18,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-03 02:37:18,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-03 02:37:18,489 INFO L130 BoogieDeclarations]: Found specification of procedure index_inc [2022-11-03 02:37:18,489 INFO L138 BoogieDeclarations]: Found implementation of procedure index_inc [2022-11-03 02:37:18,489 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_mgmt_sgl_handle [2022-11-03 02:37:18,489 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_mgmt_sgl_handle [2022-11-03 02:37:18,489 INFO L130 BoogieDeclarations]: Found specification of procedure be_wrb_hdr_prepare [2022-11-03 02:37:18,489 INFO L138 BoogieDeclarations]: Found implementation of procedure be_wrb_hdr_prepare [2022-11-03 02:37:18,490 INFO L130 BoogieDeclarations]: Found specification of procedure pci_zalloc_consistent [2022-11-03 02:37:18,491 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_zalloc_consistent [2022-11-03 02:37:18,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-03 02:37:18,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-03 02:37:18,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:37:18,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-03 02:37:18,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-03 02:37:18,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_mgmt_sgl_lock_of_beiscsi_hba [2022-11-03 02:37:18,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_mgmt_sgl_lock_of_beiscsi_hba [2022-11-03 02:37:18,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-03 02:37:18,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-03 02:37:18,510 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_set_static_ip [2022-11-03 02:37:18,513 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_set_static_ip [2022-11-03 02:37:18,513 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-03 02:37:18,513 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-03 02:37:18,513 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-11-03 02:37:18,513 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-11-03 02:37:18,514 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-03 02:37:18,514 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-03 02:37:18,514 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-03 02:37:18,514 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-03 02:37:18,514 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-11-03 02:37:18,514 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-11-03 02:37:18,515 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_target [2022-11-03 02:37:18,515 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_target [2022-11-03 02:37:18,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-03 02:37:18,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-03 02:37:18,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_check_return_value_probe [2022-11-03 02:37:18,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_check_return_value_probe [2022-11-03 02:37:18,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:37:18,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-11-03 02:37:18,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2022-11-03 02:37:18,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_check_return_value_probe [2022-11-03 02:37:18,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_check_return_value_probe [2022-11-03 02:37:18,517 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-03 02:37:18,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-03 02:37:18,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:37:18,518 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_task_xmit [2022-11-03 02:37:18,518 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_task_xmit [2022-11-03 02:37:18,518 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_conn_start [2022-11-03 02:37:18,518 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_conn_start [2022-11-03 02:37:18,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-03 02:37:18,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-03 02:37:18,518 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 02:37:18,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 02:37:18,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_166 [2022-11-03 02:37:18,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_166 [2022-11-03 02:37:18,519 INFO L130 BoogieDeclarations]: Found specification of procedure fls_long [2022-11-03 02:37:18,519 INFO L138 BoogieDeclarations]: Found implementation of procedure fls_long [2022-11-03 02:37:18,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 02:37:18,520 INFO L130 BoogieDeclarations]: Found specification of procedure nonembedded_sgl [2022-11-03 02:37:18,520 INFO L138 BoogieDeclarations]: Found implementation of procedure nonembedded_sgl [2022-11-03 02:37:18,520 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-11-03 02:37:18,520 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-11-03 02:37:18,521 INFO L130 BoogieDeclarations]: Found specification of procedure queue_tail_inc [2022-11-03 02:37:18,521 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_tail_inc [2022-11-03 02:37:18,521 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_modify_gateway [2022-11-03 02:37:18,521 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_modify_gateway [2022-11-03 02:37:18,522 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2022-11-03 02:37:18,522 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2022-11-03 02:37:18,522 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_get_all_if_id [2022-11-03 02:37:18,522 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_get_all_if_id [2022-11-03 02:37:18,522 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_clean_port [2022-11-03 02:37:18,523 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_clean_port [2022-11-03 02:37:18,523 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_cmd_cq_create [2022-11-03 02:37:18,523 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_cmd_cq_create [2022-11-03 02:37:18,523 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-03 02:37:18,523 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-03 02:37:18,523 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_host_remove [2022-11-03 02:37:18,523 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_host_remove [2022-11-03 02:37:18,524 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_log_enable_store [2022-11-03 02:37:18,524 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_log_enable_store [2022-11-03 02:37:18,524 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-03 02:37:18,524 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-03 02:37:18,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:37:18,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:37:18,524 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-03 02:37:18,525 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-03 02:37:18,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 02:37:18,525 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_cleanup [2022-11-03 02:37:18,525 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_cleanup [2022-11-03 02:37:18,525 INFO L130 BoogieDeclarations]: Found specification of procedure is_link_state_evt [2022-11-03 02:37:18,525 INFO L138 BoogieDeclarations]: Found implementation of procedure is_link_state_evt [2022-11-03 02:37:18,526 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-11-03 02:37:18,526 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-11-03 02:37:18,526 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_invalidate_icds [2022-11-03 02:37:18,526 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_invalidate_icds [2022-11-03 02:37:18,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-03 02:37:18,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-03 02:37:18,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_135 [2022-11-03 02:37:18,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_135 [2022-11-03 02:37:18,527 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_target_alloc [2022-11-03 02:37:18,527 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_target_alloc [2022-11-03 02:37:18,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 02:37:18,527 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 02:37:18,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2022-11-03 02:37:18,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2022-11-03 02:37:18,528 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_set_vlan [2022-11-03 02:37:18,528 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_set_vlan [2022-11-03 02:37:18,528 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_update_async_writables [2022-11-03 02:37:18,528 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_update_async_writables [2022-11-03 02:37:18,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-03 02:37:18,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-03 02:37:18,529 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-03 02:37:18,529 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-03 02:37:18,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-03 02:37:18,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-03 02:37:18,529 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-03 02:37:18,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-03 02:37:18,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-03 02:37:18,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-03 02:37:18,530 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_session_recovery_timedout [2022-11-03 02:37:18,530 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_session_recovery_timedout [2022-11-03 02:37:18,530 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_unregister_transport [2022-11-03 02:37:18,530 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_unregister_transport [2022-11-03 02:37:18,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:37:18,531 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-03 02:37:18,531 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-03 02:37:18,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-03 02:37:18,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-03 02:37:18,543 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_remove [2022-11-03 02:37:18,543 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_remove [2022-11-03 02:37:18,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 02:37:18,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_121 [2022-11-03 02:37:18,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_121 [2022-11-03 02:37:18,544 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_get_gateway [2022-11-03 02:37:18,544 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_get_gateway [2022-11-03 02:37:18,544 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_get_if_info [2022-11-03 02:37:18,544 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_get_if_info [2022-11-03 02:37:18,545 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_wrb_handle [2022-11-03 02:37:18,545 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_wrb_handle [2022-11-03 02:37:18,545 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2022-11-03 02:37:18,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2022-11-03 02:37:18,545 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2022-11-03 02:37:18,545 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2022-11-03 02:37:18,546 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-03 02:37:18,546 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-03 02:37:18,546 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-03 02:37:18,546 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-03 02:37:18,546 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_set_ip [2022-11-03 02:37:18,547 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_set_ip [2022-11-03 02:37:18,547 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_ring_cq_db [2022-11-03 02:37:18,547 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_ring_cq_db [2022-11-03 02:37:18,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-03 02:37:18,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-03 02:37:18,548 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_format_mac [2022-11-03 02:37:18,548 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_format_mac [2022-11-03 02:37:18,548 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-03 02:37:18,548 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-03 02:37:18,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-03 02:37:18,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-03 02:37:18,549 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_get_async_handle [2022-11-03 02:37:18,549 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_get_async_handle [2022-11-03 02:37:18,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-03 02:37:18,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-03 02:37:18,550 INFO L130 BoogieDeclarations]: Found specification of procedure be_mbox_db_ready_wait [2022-11-03 02:37:18,550 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mbox_db_ready_wait [2022-11-03 02:37:18,550 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2022-11-03 02:37:18,562 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2022-11-03 02:37:18,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:37:18,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 02:37:18,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 02:37:18,563 INFO L130 BoogieDeclarations]: Found specification of procedure find_num_cpus [2022-11-03 02:37:18,563 INFO L138 BoogieDeclarations]: Found implementation of procedure find_num_cpus [2022-11-03 02:37:18,564 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2022-11-03 02:37:18,564 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2022-11-03 02:37:18,564 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_ring_eq_db [2022-11-03 02:37:18,564 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_ring_eq_db [2022-11-03 02:37:18,564 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-03 02:37:18,564 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-03 02:37:18,565 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_host_free [2022-11-03 02:37:18,565 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_host_free [2022-11-03 02:37:18,565 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_create_ipv4_iface [2022-11-03 02:37:18,565 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_create_ipv4_iface [2022-11-03 02:37:18,565 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_shost [2022-11-03 02:37:18,565 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_shost [2022-11-03 02:37:18,566 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-03 02:37:18,566 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-03 02:37:18,566 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_destroy_endpoint [2022-11-03 02:37:18,566 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_destroy_endpoint [2022-11-03 02:37:18,566 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_conn_teardown [2022-11-03 02:37:18,567 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_conn_teardown [2022-11-03 02:37:18,567 INFO L130 BoogieDeclarations]: Found specification of procedure blk_iopoll_sched [2022-11-03 02:37:18,567 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_iopoll_sched [2022-11-03 02:37:18,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_121 [2022-11-03 02:37:18,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_121 [2022-11-03 02:37:18,567 INFO L130 BoogieDeclarations]: Found specification of procedure amap_mask [2022-11-03 02:37:18,568 INFO L138 BoogieDeclarations]: Found implementation of procedure amap_mask [2022-11-03 02:37:18,568 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_create_ipv6_iface [2022-11-03 02:37:18,568 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_create_ipv6_iface [2022-11-03 02:37:18,568 INFO L130 BoogieDeclarations]: Found specification of procedure be_encoded_q_len [2022-11-03 02:37:18,568 INFO L138 BoogieDeclarations]: Found implementation of procedure be_encoded_q_len [2022-11-03 02:37:18,568 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_fwd_async_msg [2022-11-03 02:37:18,569 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_fwd_async_msg [2022-11-03 02:37:18,569 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_static_ip_modify [2022-11-03 02:37:18,569 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_static_ip_modify [2022-11-03 02:37:18,569 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-11-03 02:37:18,569 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-11-03 02:37:18,570 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-11-03 02:37:18,570 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2022-11-03 02:37:18,570 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2022-11-03 02:37:18,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_isr_lock_of_beiscsi_hba [2022-11-03 02:37:18,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_isr_lock_of_beiscsi_hba [2022-11-03 02:37:18,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-03 02:37:18,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-03 02:37:18,571 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_compl_use [2022-11-03 02:37:18,571 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_compl_use [2022-11-03 02:37:18,571 INFO L130 BoogieDeclarations]: Found specification of procedure __iscsi_complete_pdu [2022-11-03 02:37:18,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __iscsi_complete_pdu [2022-11-03 02:37:18,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 02:37:18,572 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 02:37:18,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 02:37:18,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 02:37:18,572 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_purge_eq [2022-11-03 02:37:18,572 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_purge_eq [2022-11-03 02:37:18,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_165 [2022-11-03 02:37:18,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_165 [2022-11-03 02:37:18,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_remap [2022-11-03 02:37:18,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_remap [2022-11-03 02:37:18,573 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-03 02:37:18,574 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-03 02:37:18,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_158 [2022-11-03 02:37:18,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_158 [2022-11-03 02:37:18,574 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_compl_is_new [2022-11-03 02:37:18,574 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_compl_is_new [2022-11-03 02:37:18,575 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_exec_nonemb_cmd [2022-11-03 02:37:18,575 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_exec_nonemb_cmd [2022-11-03 02:37:18,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-03 02:37:18,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-03 02:37:18,576 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2022-11-03 02:37:18,576 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2022-11-03 02:37:18,576 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_ue_detect [2022-11-03 02:37:18,576 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_ue_detect [2022-11-03 02:37:18,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-03 02:37:18,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-03 02:37:18,577 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-03 02:37:18,577 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-03 02:37:18,577 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_eh_device_reset [2022-11-03 02:37:18,577 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_eh_device_reset [2022-11-03 02:37:18,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-03 02:37:18,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-03 02:37:18,578 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-03 02:37:18,590 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-03 02:37:18,591 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_page_addrs_prepare [2022-11-03 02:37:18,591 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_page_addrs_prepare [2022-11-03 02:37:18,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-03 02:37:18,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-03 02:37:18,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-03 02:37:18,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-03 02:37:18,592 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_cmd_reset_function [2022-11-03 02:37:18,592 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_cmd_reset_function [2022-11-03 02:37:18,592 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_eeh_resume [2022-11-03 02:37:18,592 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_eeh_resume [2022-11-03 02:37:18,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:37:18,593 INFO L130 BoogieDeclarations]: Found specification of procedure nla_find [2022-11-03 02:37:18,593 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_find [2022-11-03 02:37:18,593 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_session_teardown [2022-11-03 02:37:18,593 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_session_teardown [2022-11-03 02:37:18,593 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-03 02:37:18,594 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-03 02:37:18,594 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_init_irqs [2022-11-03 02:37:18,594 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_init_irqs [2022-11-03 02:37:18,594 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_cleanup_task [2022-11-03 02:37:18,594 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_cleanup_task [2022-11-03 02:37:18,594 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-11-03 02:37:18,595 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-11-03 02:37:18,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 02:37:18,595 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_process_cq [2022-11-03 02:37:18,595 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_process_cq [2022-11-03 02:37:18,595 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-03 02:37:18,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-03 02:37:18,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 02:37:18,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-03 02:37:18,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-03 02:37:18,596 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_eh_session_reset [2022-11-03 02:37:18,597 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_eh_session_reset [2022-11-03 02:37:18,597 INFO L130 BoogieDeclarations]: Found specification of procedure blk_iopoll_init [2022-11-03 02:37:18,597 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_iopoll_init [2022-11-03 02:37:18,597 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-03 02:37:18,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-03 02:37:18,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-03 02:37:18,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-03 02:37:18,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 02:37:18,598 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 02:37:18,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-03 02:37:18,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-03 02:37:18,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-03 02:37:18,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-03 02:37:18,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-03 02:37:18,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-03 02:37:18,599 INFO L130 BoogieDeclarations]: Found specification of procedure wrb_from_mccq [2022-11-03 02:37:18,599 INFO L138 BoogieDeclarations]: Found implementation of procedure wrb_from_mccq [2022-11-03 02:37:18,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_1 [2022-11-03 02:37:18,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_1 [2022-11-03 02:37:18,600 INFO L130 BoogieDeclarations]: Found specification of procedure be_sgl_destroy_contiguous [2022-11-03 02:37:18,600 INFO L138 BoogieDeclarations]: Found implementation of procedure be_sgl_destroy_contiguous [2022-11-03 02:37:18,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_2 [2022-11-03 02:37:18,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_2 [2022-11-03 02:37:18,601 INFO L130 BoogieDeclarations]: Found specification of procedure amap_set [2022-11-03 02:37:18,601 INFO L138 BoogieDeclarations]: Found implementation of procedure amap_set [2022-11-03 02:37:18,601 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-03 02:37:18,601 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-03 02:37:18,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-03 02:37:18,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-03 02:37:18,602 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_get [2022-11-03 02:37:18,602 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_get [2022-11-03 02:37:18,602 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_is_host_device [2022-11-03 02:37:18,602 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_is_host_device [2022-11-03 02:37:18,603 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_free_ep [2022-11-03 02:37:18,603 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_free_ep [2022-11-03 02:37:18,603 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_compl_process [2022-11-03 02:37:18,603 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_compl_process [2022-11-03 02:37:18,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_142 [2022-11-03 02:37:18,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_142 [2022-11-03 02:37:18,604 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_mccq_compl [2022-11-03 02:37:18,604 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_mccq_compl [2022-11-03 02:37:18,604 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_unmap_pci_function [2022-11-03 02:37:18,604 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_unmap_pci_function [2022-11-03 02:37:18,604 INFO L130 BoogieDeclarations]: Found specification of procedure embedded_payload [2022-11-03 02:37:18,605 INFO L138 BoogieDeclarations]: Found implementation of procedure embedded_payload [2022-11-03 02:37:18,605 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_build_be_sgl_arr [2022-11-03 02:37:18,605 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_build_be_sgl_arr [2022-11-03 02:37:18,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_146 [2022-11-03 02:37:18,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_146 [2022-11-03 02:37:18,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_0 [2022-11-03 02:37:18,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_0 [2022-11-03 02:37:18,606 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_get_macaddr [2022-11-03 02:37:18,606 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_get_macaddr [2022-11-03 02:37:18,606 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-03 02:37:18,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-03 02:37:18,607 INFO L130 BoogieDeclarations]: Found specification of procedure be_sgl_create_contiguous [2022-11-03 02:37:18,607 INFO L138 BoogieDeclarations]: Found implementation of procedure be_sgl_create_contiguous [2022-11-03 02:37:18,607 INFO L130 BoogieDeclarations]: Found specification of procedure be_chk_reset_complete [2022-11-03 02:37:18,607 INFO L138 BoogieDeclarations]: Found implementation of procedure be_chk_reset_complete [2022-11-03 02:37:18,607 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-03 02:37:18,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-03 02:37:18,608 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_boot_destroy_kset [2022-11-03 02:37:18,608 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_boot_destroy_kset [2022-11-03 02:37:18,608 INFO L130 BoogieDeclarations]: Found specification of procedure free_mgmt_sgl_handle [2022-11-03 02:37:18,608 INFO L138 BoogieDeclarations]: Found implementation of procedure free_mgmt_sgl_handle [2022-11-03 02:37:18,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-03 02:37:18,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-03 02:37:18,609 INFO L130 BoogieDeclarations]: Found specification of procedure be_mbox_notify [2022-11-03 02:37:18,609 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mbox_notify [2022-11-03 02:37:18,609 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-11-03 02:37:18,610 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-11-03 02:37:18,610 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_alloc_cmd_data [2022-11-03 02:37:18,610 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_alloc_cmd_data [2022-11-03 02:37:18,610 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_bsg_request [2022-11-03 02:37:18,610 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_bsg_request [2022-11-03 02:37:18,611 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-03 02:37:18,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-03 02:37:18,611 INFO L130 BoogieDeclarations]: Found specification of procedure be_queue_alloc [2022-11-03 02:37:18,611 INFO L138 BoogieDeclarations]: Found implementation of procedure be_queue_alloc [2022-11-03 02:37:18,611 INFO L130 BoogieDeclarations]: Found specification of procedure shost_priv [2022-11-03 02:37:18,611 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_priv [2022-11-03 02:37:18,612 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-11-03 02:37:18,612 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-11-03 02:37:18,612 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_create_iface [2022-11-03 02:37:18,612 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_create_iface [2022-11-03 02:37:18,612 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_slave_configure [2022-11-03 02:37:18,613 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_slave_configure [2022-11-03 02:37:18,613 INFO L130 BoogieDeclarations]: Found specification of procedure queue_tail_node [2022-11-03 02:37:18,613 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_tail_node [2022-11-03 02:37:18,613 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-03 02:37:18,613 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-03 02:37:18,614 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-03 02:37:18,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-03 02:37:18,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 02:37:18,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 02:37:18,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 02:37:18,615 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_init_controller [2022-11-03 02:37:18,615 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_init_controller [2022-11-03 02:37:18,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-03 02:37:18,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-03 02:37:18,615 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-03 02:37:18,616 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-03 02:37:18,616 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_free_async_msg [2022-11-03 02:37:18,616 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_free_async_msg [2022-11-03 02:37:18,616 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_hdr_prepare [2022-11-03 02:37:18,616 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_hdr_prepare [2022-11-03 02:37:18,616 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_msix_enable [2022-11-03 02:37:18,616 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_msix_enable [2022-11-03 02:37:18,617 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bufflen [2022-11-03 02:37:18,617 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bufflen [2022-11-03 02:37:18,617 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-03 02:37:18,617 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-03 02:37:18,617 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_eh_abort [2022-11-03 02:37:18,617 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_eh_abort [2022-11-03 02:37:18,617 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2022-11-03 02:37:18,618 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2022-11-03 02:37:18,618 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-03 02:37:18,618 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-03 02:37:18,618 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_quiesce [2022-11-03 02:37:18,618 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_quiesce [2022-11-03 02:37:18,618 INFO L130 BoogieDeclarations]: Found specification of procedure blk_iopoll_enable [2022-11-03 02:37:18,618 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_iopoll_enable [2022-11-03 02:37:18,619 INFO L130 BoogieDeclarations]: Found specification of procedure blk_iopoll_disable [2022-11-03 02:37:18,619 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_iopoll_disable [2022-11-03 02:37:18,619 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_host_for_each_session [2022-11-03 02:37:18,619 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_host_for_each_session [2022-11-03 02:37:18,619 INFO L130 BoogieDeclarations]: Found specification of procedure blk_iopoll_sched_prep [2022-11-03 02:37:18,619 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_iopoll_sched_prep [2022-11-03 02:37:18,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 02:37:18,620 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_error [2022-11-03 02:37:18,620 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_error [2022-11-03 02:37:18,620 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-03 02:37:18,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-03 02:37:18,620 INFO L130 BoogieDeclarations]: Found specification of procedure be_fill_queue [2022-11-03 02:37:18,620 INFO L138 BoogieDeclarations]: Found implementation of procedure be_fill_queue [2022-11-03 02:37:18,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-03 02:37:18,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-03 02:37:18,621 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_get_params [2022-11-03 02:37:18,621 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_get_params [2022-11-03 02:37:18,621 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_notify [2022-11-03 02:37:18,621 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_notify [2022-11-03 02:37:18,621 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_async_link_state_process [2022-11-03 02:37:18,622 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_async_link_state_process [2022-11-03 02:37:18,622 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-03 02:37:18,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-03 02:37:18,622 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_setup_boot_info [2022-11-03 02:37:18,622 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_setup_boot_info [2022-11-03 02:37:18,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-03 02:37:18,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-03 02:37:18,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-03 02:37:18,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-03 02:37:18,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-03 02:37:18,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-03 02:37:18,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-03 02:37:18,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-03 02:37:18,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_mgmt_sgl_lock_of_beiscsi_hba [2022-11-03 02:37:18,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_mgmt_sgl_lock_of_beiscsi_hba [2022-11-03 02:37:18,624 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_write_buffer [2022-11-03 02:37:18,624 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_write_buffer [2022-11-03 02:37:18,624 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_unmap [2022-11-03 02:37:18,624 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dma_unmap [2022-11-03 02:37:18,624 INFO L130 BoogieDeclarations]: Found specification of procedure be2iscsi_fail_session [2022-11-03 02:37:18,624 INFO L138 BoogieDeclarations]: Found implementation of procedure be2iscsi_fail_session [2022-11-03 02:37:18,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_143 [2022-11-03 02:37:18,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_143 [2022-11-03 02:37:18,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_147 [2022-11-03 02:37:18,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_147 [2022-11-03 02:37:18,625 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_shutdown [2022-11-03 02:37:18,625 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_shutdown [2022-11-03 02:37:18,625 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-03 02:37:18,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-03 02:37:18,626 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_destroy_iface [2022-11-03 02:37:18,626 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_destroy_iface [2022-11-03 02:37:18,626 INFO L130 BoogieDeclarations]: Found specification of procedure free_wrb_handle [2022-11-03 02:37:18,626 INFO L138 BoogieDeclarations]: Found implementation of procedure free_wrb_handle [2022-11-03 02:37:18,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-03 02:37:18,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-03 02:37:18,627 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_cmd_q_destroy [2022-11-03 02:37:18,627 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_cmd_q_destroy [2022-11-03 02:37:18,627 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 02:37:18,627 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 02:37:18,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_122 [2022-11-03 02:37:18,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_122 [2022-11-03 02:37:18,627 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_post_async_buffers [2022-11-03 02:37:18,628 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_post_async_buffers [2022-11-03 02:37:18,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-03 02:37:18,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-03 02:37:18,628 INFO L130 BoogieDeclarations]: Found specification of procedure be_complete_nopin_resp [2022-11-03 02:37:18,628 INFO L138 BoogieDeclarations]: Found implementation of procedure be_complete_nopin_resp [2022-11-03 02:37:18,628 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-03 02:37:18,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-03 02:37:18,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-03 02:37:18,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-03 02:37:18,629 INFO L130 BoogieDeclarations]: Found specification of procedure __ilog2_u32 [2022-11-03 02:37:18,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __ilog2_u32 [2022-11-03 02:37:18,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-03 02:37:18,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-03 02:37:18,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-03 02:37:18,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-03 02:37:18,630 INFO L130 BoogieDeclarations]: Found specification of procedure wrb_from_mbox [2022-11-03 02:37:18,630 INFO L138 BoogieDeclarations]: Found implementation of procedure wrb_from_mbox [2022-11-03 02:37:18,630 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_create_default_pdu_queue [2022-11-03 02:37:18,630 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_create_default_pdu_queue [2022-11-03 02:37:18,650 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-03 02:37:18,651 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-03 02:37:18,651 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_process_default_pdu_ring [2022-11-03 02:37:18,651 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_process_default_pdu_ring [2022-11-03 02:37:18,651 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-03 02:37:18,651 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-03 02:37:18,651 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-03 02:37:18,651 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-03 02:37:18,652 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_ep_disconnect [2022-11-03 02:37:18,652 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_ep_disconnect [2022-11-03 02:37:18,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:37:18,652 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_free_mgmt_task_handles [2022-11-03 02:37:18,652 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_free_mgmt_task_handles [2022-11-03 02:37:21,393 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:37:21,407 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:37:21,535 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 02:37:57,712 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:38:07,063 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:38:07,063 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-03 02:38:07,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:38:07 BoogieIcfgContainer [2022-11-03 02:38:07,071 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:38:07,073 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:38:07,074 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:38:07,078 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:38:07,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:37:00" (1/3) ... [2022-11-03 02:38:07,078 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42bf0455 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:38:07, skipping insertion in model container [2022-11-03 02:38:07,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:37:15" (2/3) ... [2022-11-03 02:38:07,079 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42bf0455 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:38:07, skipping insertion in model container [2022-11-03 02:38:07,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:38:07" (3/3) ... [2022-11-03 02:38:07,080 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i [2022-11-03 02:38:07,104 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:38:07,104 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2022-11-03 02:38:07,263 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:38:07,273 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;@565861e0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:38:07,273 INFO L358 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2022-11-03 02:38:07,296 INFO L276 IsEmpty]: Start isEmpty. Operand has 4816 states, 2797 states have (on average 1.2992491955666785) internal successors, (3634), 2925 states have internal predecessors, (3634), 1724 states have call successors, (1724), 268 states have call predecessors, (1724), 267 states have return successors, (1718), 1693 states have call predecessors, (1718), 1718 states have call successors, (1718) [2022-11-03 02:38:07,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-03 02:38:07,311 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:38:07,313 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] [2022-11-03 02:38:07,314 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)] === [2022-11-03 02:38:07,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:38:07,321 INFO L85 PathProgramCache]: Analyzing trace with hash 1755694893, now seen corresponding path program 1 times [2022-11-03 02:38:07,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:38:07,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806107622] [2022-11-03 02:38:07,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:38:07,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:38:08,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:38:09,983 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-03 02:38:09,984 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:38:09,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806107622] [2022-11-03 02:38:09,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806107622] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:38:09,985 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:38:09,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:38:09,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179659964] [2022-11-03 02:38:09,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:38:09,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:38:09,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:38:10,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:38:10,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:38:10,056 INFO L87 Difference]: Start difference. First operand has 4816 states, 2797 states have (on average 1.2992491955666785) internal successors, (3634), 2925 states have internal predecessors, (3634), 1724 states have call successors, (1724), 268 states have call predecessors, (1724), 267 states have return successors, (1718), 1693 states have call predecessors, (1718), 1718 states have call successors, (1718) Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-03 02:38:13,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:38:18,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:38:21,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:38:24,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:38:26,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:38:30,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:38:33,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:38:36,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:38:41,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:38:47,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:38:49,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:38:52,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:38:55,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-03 02:38:56,483 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 [] [2022-11-03 02:38:58,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:38:58,456 INFO L93 Difference]: Finished difference Result 13916 states and 21090 transitions. [2022-11-03 02:38:58,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:38:58,460 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 [2022-11-03 02:38:58,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:38:58,549 INFO L225 Difference]: With dead ends: 13916 [2022-11-03 02:38:58,549 INFO L226 Difference]: Without dead ends: 9094 [2022-11-03 02:38:58,609 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 [2022-11-03 02:38:58,613 INFO L413 NwaCegarLoop]: 8777 mSDtfsCounter, 6280 mSDsluCounter, 16730 mSDsCounter, 0 mSdLazyCounter, 2684 mSolverCounterSat, 2 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6283 SdHoareTripleChecker+Valid, 23779 SdHoareTripleChecker+Invalid, 2695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2684 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:38:58,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6283 Valid, 23779 Invalid, 2695 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2684 Invalid, 9 Unknown, 0 Unchecked, 47.3s Time] [2022-11-03 02:38:58,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9094 states. [2022-11-03 02:38:59,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9094 to 8917. [2022-11-03 02:38:59,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8917 states, 5179 states have (on average 1.286541803436957) internal successors, (6663), 5400 states have internal predecessors, (6663), 3206 states have call successors, (3206), 506 states have call predecessors, (3206), 504 states have return successors, (3209), 3146 states have call predecessors, (3209), 3202 states have call successors, (3209) [2022-11-03 02:38:59,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8917 states to 8917 states and 13078 transitions. [2022-11-03 02:38:59,609 INFO L78 Accepts]: Start accepts. Automaton has 8917 states and 13078 transitions. Word has length 48 [2022-11-03 02:38:59,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:38:59,612 INFO L495 AbstractCegarLoop]: Abstraction has 8917 states and 13078 transitions. [2022-11-03 02:38:59,613 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) [2022-11-03 02:38:59,614 INFO L276 IsEmpty]: Start isEmpty. Operand 8917 states and 13078 transitions. [2022-11-03 02:38:59,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-03 02:38:59,625 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:38:59,625 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] [2022-11-03 02:38:59,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:38:59,629 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)] === [2022-11-03 02:38:59,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:38:59,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1117865764, now seen corresponding path program 1 times [2022-11-03 02:38:59,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:38:59,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912216728] [2022-11-03 02:38:59,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:38:59,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:39:00,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:39:01,587 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-03 02:39:01,588 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:39:01,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912216728] [2022-11-03 02:39:01,588 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912216728] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:39:01,589 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:39:01,589 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:39:01,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999605814] [2022-11-03 02:39:01,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:39:01,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:39:01,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:39:01,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:39:01,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:39:01,592 INFO L87 Difference]: Start difference. First operand 8917 states and 13078 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) [2022-11-03 02:39:05,433 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 [] [2022-11-03 02:39:07,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:39:14,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:39:18,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:39:20,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:39:21,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:39:23,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:39:25,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:39:30,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:39:35,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:39:35,124 INFO L93 Difference]: Finished difference Result 16365 states and 23970 transitions. [2022-11-03 02:39:35,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:39:35,124 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 [2022-11-03 02:39:35,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:39:35,265 INFO L225 Difference]: With dead ends: 16365 [2022-11-03 02:39:35,265 INFO L226 Difference]: Without dead ends: 16363 [2022-11-03 02:39:35,279 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 [2022-11-03 02:39:35,280 INFO L413 NwaCegarLoop]: 8282 mSDtfsCounter, 6986 mSDsluCounter, 16109 mSDsCounter, 0 mSdLazyCounter, 2487 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6988 SdHoareTripleChecker+Valid, 22758 SdHoareTripleChecker+Invalid, 2492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2487 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:39:35,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6988 Valid, 22758 Invalid, 2492 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2487 Invalid, 4 Unknown, 0 Unchecked, 32.8s Time] [2022-11-03 02:39:35,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16363 states. [2022-11-03 02:39:36,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16363 to 16194. [2022-11-03 02:39:36,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16194 states, 9427 states have (on average 1.2887450938792828) internal successors, (12149), 9810 states have internal predecessors, (12149), 5820 states have call successors, (5820), 921 states have call predecessors, (5820), 919 states have return successors, (5822), 5704 states have call predecessors, (5822), 5815 states have call successors, (5822) [2022-11-03 02:39:36,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16194 states to 16194 states and 23791 transitions. [2022-11-03 02:39:36,744 INFO L78 Accepts]: Start accepts. Automaton has 16194 states and 23791 transitions. Word has length 53 [2022-11-03 02:39:36,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:39:36,744 INFO L495 AbstractCegarLoop]: Abstraction has 16194 states and 23791 transitions. [2022-11-03 02:39:36,745 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) [2022-11-03 02:39:36,746 INFO L276 IsEmpty]: Start isEmpty. Operand 16194 states and 23791 transitions. [2022-11-03 02:39:36,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-03 02:39:36,750 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:39:36,750 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] [2022-11-03 02:39:36,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:39:36,751 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)] === [2022-11-03 02:39:36,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:39:36,752 INFO L85 PathProgramCache]: Analyzing trace with hash -1572518196, now seen corresponding path program 1 times [2022-11-03 02:39:36,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:39:36,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691408895] [2022-11-03 02:39:36,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:39:36,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:39:37,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:39:38,349 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-03 02:39:38,349 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:39:38,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691408895] [2022-11-03 02:39:38,350 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691408895] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:39:38,350 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:39:38,350 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:39:38,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770009661] [2022-11-03 02:39:38,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:39:38,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:39:38,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:39:38,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:39:38,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:39:38,352 INFO L87 Difference]: Start difference. First operand 16194 states and 23791 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) [2022-11-03 02:39:41,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:39:43,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:39:48,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:39:52,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:39:55,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:39:58,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:40:00,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:40:02,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:40:03,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:40:07,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:40:12,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-03 02:40:13,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:40:13,717 INFO L93 Difference]: Finished difference Result 16383 states and 23978 transitions. [2022-11-03 02:40:13,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:40:13,718 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 [2022-11-03 02:40:13,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:40:13,808 INFO L225 Difference]: With dead ends: 16383 [2022-11-03 02:40:13,808 INFO L226 Difference]: Without dead ends: 16381 [2022-11-03 02:40:13,822 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 [2022-11-03 02:40:13,823 INFO L413 NwaCegarLoop]: 8276 mSDtfsCounter, 6954 mSDsluCounter, 16100 mSDsCounter, 0 mSdLazyCounter, 2482 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6960 SdHoareTripleChecker+Valid, 22746 SdHoareTripleChecker+Invalid, 2489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2482 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:40:13,824 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6960 Valid, 22746 Invalid, 2489 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2482 Invalid, 6 Unknown, 0 Unchecked, 34.5s Time] [2022-11-03 02:40:13,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16381 states. [2022-11-03 02:40:14,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16381 to 16220. [2022-11-03 02:40:14,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16220 states, 9440 states have (on average 1.2883474576271186) internal successors, (12162), 9823 states have internal predecessors, (12162), 5822 states have call successors, (5822), 932 states have call predecessors, (5822), 930 states have return successors, (5824), 5706 states have call predecessors, (5824), 5817 states have call successors, (5824) [2022-11-03 02:40:15,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16220 states to 16220 states and 23808 transitions. [2022-11-03 02:40:15,084 INFO L78 Accepts]: Start accepts. Automaton has 16220 states and 23808 transitions. Word has length 58 [2022-11-03 02:40:15,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:40:15,086 INFO L495 AbstractCegarLoop]: Abstraction has 16220 states and 23808 transitions. [2022-11-03 02:40:15,086 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) [2022-11-03 02:40:15,086 INFO L276 IsEmpty]: Start isEmpty. Operand 16220 states and 23808 transitions. [2022-11-03 02:40:15,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-03 02:40:15,088 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:40:15,088 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] [2022-11-03 02:40:15,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 02:40:15,089 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)] === [2022-11-03 02:40:15,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:40:15,090 INFO L85 PathProgramCache]: Analyzing trace with hash -1507882711, now seen corresponding path program 1 times [2022-11-03 02:40:15,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:40:15,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236005454] [2022-11-03 02:40:15,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:40:15,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:40:15,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:40:16,841 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-03 02:40:16,841 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:40:16,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236005454] [2022-11-03 02:40:16,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236005454] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:40:16,842 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:40:16,842 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:40:16,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742191022] [2022-11-03 02:40:16,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:40:16,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:40:16,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:40:16,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:40:16,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:40:16,844 INFO L87 Difference]: Start difference. First operand 16220 states and 23808 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) [2022-11-03 02:40:20,598 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 [] [2022-11-03 02:40:28,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:40:31,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:40:34,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:40:36,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:40:38,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:40:42,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:40:46,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:40:46,371 INFO L93 Difference]: Finished difference Result 21751 states and 31813 transitions. [2022-11-03 02:40:46,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:40:46,372 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 [2022-11-03 02:40:46,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:40:46,500 INFO L225 Difference]: With dead ends: 21751 [2022-11-03 02:40:46,501 INFO L226 Difference]: Without dead ends: 21749 [2022-11-03 02:40:46,522 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 [2022-11-03 02:40:46,523 INFO L413 NwaCegarLoop]: 8281 mSDtfsCounter, 6973 mSDsluCounter, 16105 mSDsCounter, 0 mSdLazyCounter, 2484 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6975 SdHoareTripleChecker+Valid, 22756 SdHoareTripleChecker+Invalid, 2489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2484 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:40:46,524 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6975 Valid, 22756 Invalid, 2489 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2484 Invalid, 4 Unknown, 0 Unchecked, 28.5s Time] [2022-11-03 02:40:46,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21749 states. [2022-11-03 02:40:48,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21749 to 21594. [2022-11-03 02:40:48,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21594 states, 12577 states have (on average 1.2896557207601176) internal successors, (16220), 13084 states have internal predecessors, (16220), 7714 states have call successors, (7714), 1277 states have call predecessors, (7714), 1275 states have return successors, (7716), 7548 states have call predecessors, (7716), 7709 states have call successors, (7716) [2022-11-03 02:40:48,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21594 states to 21594 states and 31650 transitions. [2022-11-03 02:40:48,376 INFO L78 Accepts]: Start accepts. Automaton has 21594 states and 31650 transitions. Word has length 63 [2022-11-03 02:40:48,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:40:48,376 INFO L495 AbstractCegarLoop]: Abstraction has 21594 states and 31650 transitions. [2022-11-03 02:40:48,377 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) [2022-11-03 02:40:48,377 INFO L276 IsEmpty]: Start isEmpty. Operand 21594 states and 31650 transitions. [2022-11-03 02:40:48,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-03 02:40:48,380 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:40:48,380 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] [2022-11-03 02:40:48,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 02:40:48,382 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)] === [2022-11-03 02:40:48,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:40:48,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1595473589, now seen corresponding path program 1 times [2022-11-03 02:40:48,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:40:48,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501567895] [2022-11-03 02:40:48,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:40:48,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:40:48,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:40:50,209 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-03 02:40:50,210 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:40:50,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501567895] [2022-11-03 02:40:50,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501567895] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:40:50,210 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:40:50,211 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:40:50,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753509752] [2022-11-03 02:40:50,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:40:50,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:40:50,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:40:50,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:40:50,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:40:50,215 INFO L87 Difference]: Start difference. First operand 21594 states and 31650 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) [2022-11-03 02:40:53,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:40:55,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:41:01,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:41:03,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:41:05,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:41:16,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:41:18,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:41:18,914 INFO L93 Difference]: Finished difference Result 21754 states and 31816 transitions. [2022-11-03 02:41:18,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:41:18,915 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 [2022-11-03 02:41:18,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:41:19,029 INFO L225 Difference]: With dead ends: 21754 [2022-11-03 02:41:19,030 INFO L226 Difference]: Without dead ends: 21752 [2022-11-03 02:41:19,046 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 [2022-11-03 02:41:19,047 INFO L413 NwaCegarLoop]: 8282 mSDtfsCounter, 6979 mSDsluCounter, 16108 mSDsCounter, 0 mSdLazyCounter, 2488 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6981 SdHoareTripleChecker+Valid, 22758 SdHoareTripleChecker+Invalid, 2491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2488 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:41:19,048 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6981 Valid, 22758 Invalid, 2491 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2488 Invalid, 2 Unknown, 0 Unchecked, 27.7s Time] [2022-11-03 02:41:19,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21752 states. [2022-11-03 02:41:20,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21752 to 21605. [2022-11-03 02:41:20,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21605 states, 12583 states have (on average 1.2895970754192163) internal successors, (16227), 13090 states have internal predecessors, (16227), 7717 states have call successors, (7717), 1279 states have call predecessors, (7717), 1277 states have return successors, (7719), 7551 states have call predecessors, (7719), 7712 states have call successors, (7719) [2022-11-03 02:41:20,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21605 states to 21605 states and 31663 transitions. [2022-11-03 02:41:20,637 INFO L78 Accepts]: Start accepts. Automaton has 21605 states and 31663 transitions. Word has length 68 [2022-11-03 02:41:20,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:41:20,637 INFO L495 AbstractCegarLoop]: Abstraction has 21605 states and 31663 transitions. [2022-11-03 02:41:20,638 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) [2022-11-03 02:41:20,638 INFO L276 IsEmpty]: Start isEmpty. Operand 21605 states and 31663 transitions. [2022-11-03 02:41:20,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-03 02:41:20,639 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:41:20,640 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] [2022-11-03 02:41:20,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 02:41:20,640 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)] === [2022-11-03 02:41:20,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:41:20,641 INFO L85 PathProgramCache]: Analyzing trace with hash -1836599409, now seen corresponding path program 1 times [2022-11-03 02:41:20,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:41:20,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872864584] [2022-11-03 02:41:20,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:41:20,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:41:20,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:41:22,353 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-03 02:41:22,354 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:41:22,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872864584] [2022-11-03 02:41:22,354 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872864584] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:41:22,354 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:41:22,354 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:41:22,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102567687] [2022-11-03 02:41:22,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:41:22,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:41:22,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:41:22,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:41:22,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:41:22,356 INFO L87 Difference]: Start difference. First operand 21605 states and 31663 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) [2022-11-03 02:41:25,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:41:30,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:41:34,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:41:37,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:41:50,269 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 [] [2022-11-03 02:41:53,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:41:53,638 INFO L93 Difference]: Finished difference Result 21752 states and 31814 transitions. [2022-11-03 02:41:53,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:41:53,638 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 [2022-11-03 02:41:53,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:41:53,752 INFO L225 Difference]: With dead ends: 21752 [2022-11-03 02:41:53,752 INFO L226 Difference]: Without dead ends: 21750 [2022-11-03 02:41:53,770 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 [2022-11-03 02:41:53,771 INFO L413 NwaCegarLoop]: 8282 mSDtfsCounter, 6976 mSDsluCounter, 16109 mSDsCounter, 0 mSdLazyCounter, 2487 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6978 SdHoareTripleChecker+Valid, 22758 SdHoareTripleChecker+Invalid, 2492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2487 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:41:53,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6978 Valid, 22758 Invalid, 2492 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2487 Invalid, 4 Unknown, 0 Unchecked, 30.2s Time] [2022-11-03 02:41:53,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21750 states. [2022-11-03 02:41:55,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21750 to 21611. [2022-11-03 02:41:55,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21611 states, 12586 states have (on average 1.2895280470363897) internal successors, (16230), 13093 states have internal predecessors, (16230), 7719 states have call successors, (7719), 1280 states have call predecessors, (7719), 1278 states have return successors, (7721), 7553 states have call predecessors, (7721), 7714 states have call successors, (7721) [2022-11-03 02:41:55,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21611 states to 21611 states and 31670 transitions. [2022-11-03 02:41:55,420 INFO L78 Accepts]: Start accepts. Automaton has 21611 states and 31670 transitions. Word has length 73 [2022-11-03 02:41:55,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:41:55,421 INFO L495 AbstractCegarLoop]: Abstraction has 21611 states and 31670 transitions. [2022-11-03 02:41:55,421 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) [2022-11-03 02:41:55,421 INFO L276 IsEmpty]: Start isEmpty. Operand 21611 states and 31670 transitions. [2022-11-03 02:41:55,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-03 02:41:55,423 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:41:55,423 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] [2022-11-03 02:41:55,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 02:41:55,424 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)] === [2022-11-03 02:41:55,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:41:55,425 INFO L85 PathProgramCache]: Analyzing trace with hash -1303384444, now seen corresponding path program 1 times [2022-11-03 02:41:55,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:41:55,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037942846] [2022-11-03 02:41:55,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:41:55,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:41:55,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:41:57,211 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-03 02:41:57,211 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:41:57,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037942846] [2022-11-03 02:41:57,212 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037942846] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:41:57,212 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:41:57,212 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:41:57,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820934679] [2022-11-03 02:41:57,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:41:57,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:41:57,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:41:57,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:41:57,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:41:57,215 INFO L87 Difference]: Start difference. First operand 21611 states and 31670 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) [2022-11-03 02:42:00,475 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 [] [2022-11-03 02:42:02,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:42:09,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:42:12,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:42:14,868 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:42:15,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:42:17,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:42:19,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:42:20,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:42:29,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:42:29,349 INFO L93 Difference]: Finished difference Result 21750 states and 31812 transitions. [2022-11-03 02:42:29,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:42:29,350 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 [2022-11-03 02:42:29,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:42:29,449 INFO L225 Difference]: With dead ends: 21750 [2022-11-03 02:42:29,449 INFO L226 Difference]: Without dead ends: 21748 [2022-11-03 02:42:29,460 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 [2022-11-03 02:42:29,461 INFO L413 NwaCegarLoop]: 8282 mSDtfsCounter, 6973 mSDsluCounter, 16109 mSDsCounter, 0 mSdLazyCounter, 2487 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6975 SdHoareTripleChecker+Valid, 22758 SdHoareTripleChecker+Invalid, 2492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2487 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:42:29,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6975 Valid, 22758 Invalid, 2492 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2487 Invalid, 4 Unknown, 0 Unchecked, 30.7s Time] [2022-11-03 02:42:29,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21748 states. [2022-11-03 02:42:30,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21748 to 21617. [2022-11-03 02:42:31,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21617 states, 12589 states have (on average 1.289459051552943) internal successors, (16233), 13096 states have internal predecessors, (16233), 7721 states have call successors, (7721), 1281 states have call predecessors, (7721), 1279 states have return successors, (7723), 7555 states have call predecessors, (7723), 7716 states have call successors, (7723) [2022-11-03 02:42:31,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21617 states to 21617 states and 31677 transitions. [2022-11-03 02:42:31,107 INFO L78 Accepts]: Start accepts. Automaton has 21617 states and 31677 transitions. Word has length 78 [2022-11-03 02:42:31,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:42:31,108 INFO L495 AbstractCegarLoop]: Abstraction has 21617 states and 31677 transitions. [2022-11-03 02:42:31,108 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) [2022-11-03 02:42:31,108 INFO L276 IsEmpty]: Start isEmpty. Operand 21617 states and 31677 transitions. [2022-11-03 02:42:31,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-11-03 02:42:31,110 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:42:31,111 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] [2022-11-03 02:42:31,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-03 02:42:31,111 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)] === [2022-11-03 02:42:31,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:42:31,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1231378675, now seen corresponding path program 1 times [2022-11-03 02:42:31,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:42:31,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548442572] [2022-11-03 02:42:31,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:42:31,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:42:31,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:42:32,191 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-03 02:42:32,192 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:42:32,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548442572] [2022-11-03 02:42:32,192 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548442572] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:42:32,193 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:42:32,193 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:42:32,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367704548] [2022-11-03 02:42:32,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:42:32,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:42:32,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:42:32,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:42:32,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:42:32,196 INFO L87 Difference]: Start difference. First operand 21617 states and 31677 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) [2022-11-03 02:42:35,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:42:39,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:42:42,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:42:45,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:42:48,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:42:53,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:42:57,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:42:57,283 INFO L93 Difference]: Finished difference Result 50142 states and 73467 transitions. [2022-11-03 02:42:57,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:42:57,284 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 [2022-11-03 02:42:57,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:42:57,609 INFO L225 Difference]: With dead ends: 50142 [2022-11-03 02:42:57,610 INFO L226 Difference]: Without dead ends: 28546 [2022-11-03 02:42:57,720 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 [2022-11-03 02:42:57,721 INFO L413 NwaCegarLoop]: 8102 mSDtfsCounter, 6992 mSDsluCounter, 6284 mSDsCounter, 0 mSdLazyCounter, 1550 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6994 SdHoareTripleChecker+Valid, 13689 SdHoareTripleChecker+Invalid, 1554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1550 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:42:57,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6994 Valid, 13689 Invalid, 1554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1550 Invalid, 3 Unknown, 0 Unchecked, 23.3s Time] [2022-11-03 02:42:57,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28546 states. [2022-11-03 02:42:59,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28546 to 28473. [2022-11-03 02:42:59,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28473 states, 16598 states have (on average 1.2899746957464755) internal successors, (21411), 17252 states have internal predecessors, (21411), 10172 states have call successors, (10172), 1678 states have call predecessors, (10172), 1675 states have return successors, (10173), 9952 states have call predecessors, (10173), 10166 states have call successors, (10173) [2022-11-03 02:42:59,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28473 states to 28473 states and 41756 transitions. [2022-11-03 02:42:59,899 INFO L78 Accepts]: Start accepts. Automaton has 28473 states and 41756 transitions. Word has length 87 [2022-11-03 02:42:59,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:42:59,900 INFO L495 AbstractCegarLoop]: Abstraction has 28473 states and 41756 transitions. [2022-11-03 02:42:59,901 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) [2022-11-03 02:42:59,901 INFO L276 IsEmpty]: Start isEmpty. Operand 28473 states and 41756 transitions. [2022-11-03 02:42:59,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-03 02:42:59,903 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:42:59,903 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] [2022-11-03 02:42:59,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-03 02:42:59,904 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)] === [2022-11-03 02:42:59,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:42:59,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1902109068, now seen corresponding path program 1 times [2022-11-03 02:42:59,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:42:59,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26254498] [2022-11-03 02:42:59,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:42:59,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:43:00,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:43:01,444 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-03 02:43:01,444 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:43:01,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26254498] [2022-11-03 02:43:01,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26254498] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:43:01,445 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:43:01,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:43:01,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276384822] [2022-11-03 02:43:01,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:43:01,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:43:01,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:43:01,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:43:01,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:43:01,447 INFO L87 Difference]: Start difference. First operand 28473 states and 41756 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) [2022-11-03 02:43:11,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:43:14,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:43:19,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:43:21,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:43:29,194 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 [] [2022-11-03 02:43:33,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:43:33,675 INFO L93 Difference]: Finished difference Result 28602 states and 41888 transitions. [2022-11-03 02:43:33,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:43:33,675 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 [2022-11-03 02:43:33,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:43:33,791 INFO L225 Difference]: With dead ends: 28602 [2022-11-03 02:43:33,791 INFO L226 Difference]: Without dead ends: 28600 [2022-11-03 02:43:33,809 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 [2022-11-03 02:43:33,810 INFO L413 NwaCegarLoop]: 8276 mSDtfsCounter, 6944 mSDsluCounter, 16096 mSDsCounter, 0 mSdLazyCounter, 2484 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6950 SdHoareTripleChecker+Valid, 22742 SdHoareTripleChecker+Invalid, 2489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2484 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:43:33,810 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6950 Valid, 22742 Invalid, 2489 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2484 Invalid, 4 Unknown, 0 Unchecked, 30.7s Time] [2022-11-03 02:43:33,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28600 states. [2022-11-03 02:43:35,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28600 to 28481. [2022-11-03 02:43:35,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28481 states, 16603 states have (on average 1.2899475998313559) internal successors, (21417), 17257 states have internal predecessors, (21417), 10174 states have call successors, (10174), 1679 states have call predecessors, (10174), 1676 states have return successors, (10175), 9954 states have call predecessors, (10175), 10168 states have call successors, (10175) [2022-11-03 02:43:35,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28481 states to 28481 states and 41766 transitions. [2022-11-03 02:43:35,747 INFO L78 Accepts]: Start accepts. Automaton has 28481 states and 41766 transitions. Word has length 83 [2022-11-03 02:43:35,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:43:35,748 INFO L495 AbstractCegarLoop]: Abstraction has 28481 states and 41766 transitions. [2022-11-03 02:43:35,749 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) [2022-11-03 02:43:35,749 INFO L276 IsEmpty]: Start isEmpty. Operand 28481 states and 41766 transitions. [2022-11-03 02:43:35,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-03 02:43:35,751 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:43:35,751 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] [2022-11-03 02:43:35,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-03 02:43:35,752 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)] === [2022-11-03 02:43:35,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:43:35,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1729571191, now seen corresponding path program 1 times [2022-11-03 02:43:35,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:43:35,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365728132] [2022-11-03 02:43:35,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:43:35,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:43:35,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:43:37,144 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-03 02:43:37,145 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:43:37,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365728132] [2022-11-03 02:43:37,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365728132] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:43:37,145 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:43:37,145 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:43:37,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935701284] [2022-11-03 02:43:37,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:43:37,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:43:37,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:43:37,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:43:37,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:43:37,147 INFO L87 Difference]: Start difference. First operand 28481 states and 41766 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) [2022-11-03 02:43:41,178 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 [] [2022-11-03 02:43:45,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:43:49,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:43:53,125 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 [] [2022-11-03 02:44:06,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:44:06,876 INFO L93 Difference]: Finished difference Result 28604 states and 41891 transitions. [2022-11-03 02:44:06,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:44:06,876 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 [2022-11-03 02:44:06,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:44:06,973 INFO L225 Difference]: With dead ends: 28604 [2022-11-03 02:44:06,973 INFO L226 Difference]: Without dead ends: 28602 [2022-11-03 02:44:06,986 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 [2022-11-03 02:44:06,987 INFO L413 NwaCegarLoop]: 8282 mSDtfsCounter, 6960 mSDsluCounter, 16106 mSDsCounter, 0 mSdLazyCounter, 2485 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6964 SdHoareTripleChecker+Valid, 22758 SdHoareTripleChecker+Invalid, 2489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2485 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:44:06,987 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6964 Valid, 22758 Invalid, 2489 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2485 Invalid, 3 Unknown, 0 Unchecked, 28.1s Time] [2022-11-03 02:44:07,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28602 states. [2022-11-03 02:44:08,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28602 to 28481. [2022-11-03 02:44:08,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28481 states, 16603 states have (on average 1.2898873697524544) internal successors, (21416), 17257 states have internal predecessors, (21416), 10174 states have call successors, (10174), 1679 states have call predecessors, (10174), 1676 states have return successors, (10175), 9954 states have call predecessors, (10175), 10168 states have call successors, (10175) [2022-11-03 02:44:08,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28481 states to 28481 states and 41765 transitions. [2022-11-03 02:44:08,727 INFO L78 Accepts]: Start accepts. Automaton has 28481 states and 41765 transitions. Word has length 85 [2022-11-03 02:44:08,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:44:08,728 INFO L495 AbstractCegarLoop]: Abstraction has 28481 states and 41765 transitions. [2022-11-03 02:44:08,728 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) [2022-11-03 02:44:08,728 INFO L276 IsEmpty]: Start isEmpty. Operand 28481 states and 41765 transitions. [2022-11-03 02:44:08,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 02:44:08,730 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:44:08,730 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] [2022-11-03 02:44:08,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-03 02:44:08,731 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)] === [2022-11-03 02:44:08,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:44:08,732 INFO L85 PathProgramCache]: Analyzing trace with hash -764022135, now seen corresponding path program 1 times [2022-11-03 02:44:08,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:44:08,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789520130] [2022-11-03 02:44:08,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:44:08,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:44:09,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:44:10,448 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-11-03 02:44:10,448 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:44:10,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789520130] [2022-11-03 02:44:10,449 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789520130] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:44:10,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1671361137] [2022-11-03 02:44:10,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:44:10,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:44:10,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:44:10,454 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:44:10,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 02:44:14,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:44:14,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 8694 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:44:14,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:44:14,487 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-03 02:44:14,487 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:44:14,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1671361137] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:44:14,488 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 02:44:14,488 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2022-11-03 02:44:14,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929450736] [2022-11-03 02:44:14,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:44:14,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:44:14,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:44:14,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:44:14,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-11-03 02:44:14,490 INFO L87 Difference]: Start difference. First operand 28481 states and 41765 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) [2022-11-03 02:44:17,098 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 [] [2022-11-03 02:44:20,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:44:24,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:44:26,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:44:30,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:44:34,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:44:34,882 INFO L93 Difference]: Finished difference Result 57499 states and 84144 transitions. [2022-11-03 02:44:34,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:44:34,882 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 [2022-11-03 02:44:34,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:44:34,995 INFO L225 Difference]: With dead ends: 57499 [2022-11-03 02:44:34,995 INFO L226 Difference]: Without dead ends: 29039 [2022-11-03 02:44:35,085 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 [2022-11-03 02:44:35,085 INFO L413 NwaCegarLoop]: 7170 mSDtfsCounter, 6982 mSDsluCounter, 4008 mSDsCounter, 0 mSdLazyCounter, 1243 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6984 SdHoareTripleChecker+Valid, 10722 SdHoareTripleChecker+Invalid, 1246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1243 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:44:35,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6984 Valid, 10722 Invalid, 1246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1243 Invalid, 2 Unknown, 0 Unchecked, 18.4s Time] [2022-11-03 02:44:35,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29039 states. [2022-11-03 02:44:37,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29039 to 28970. [2022-11-03 02:44:37,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28970 states, 16873 states have (on average 1.287856338529011) internal successors, (21730), 17533 states have internal predecessors, (21730), 10309 states have call successors, (10309), 1764 states have call predecessors, (10309), 1761 states have return successors, (10310), 10087 states have call predecessors, (10310), 10303 states have call successors, (10310) [2022-11-03 02:44:37,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28970 states to 28970 states and 42349 transitions. [2022-11-03 02:44:37,281 INFO L78 Accepts]: Start accepts. Automaton has 28970 states and 42349 transitions. Word has length 95 [2022-11-03 02:44:37,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:44:37,282 INFO L495 AbstractCegarLoop]: Abstraction has 28970 states and 42349 transitions. [2022-11-03 02:44:37,282 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) [2022-11-03 02:44:37,283 INFO L276 IsEmpty]: Start isEmpty. Operand 28970 states and 42349 transitions. [2022-11-03 02:44:37,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-11-03 02:44:37,285 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:44:37,285 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] [2022-11-03 02:44:37,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-03 02:44:37,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f2c4a47-1575-4c7a-bbb3-3d6173be6651/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:44:37,499 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)] === [2022-11-03 02:44:37,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:44:37,499 INFO L85 PathProgramCache]: Analyzing trace with hash -921810780, now seen corresponding path program 1 times [2022-11-03 02:44:37,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:44:37,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81533131] [2022-11-03 02:44:37,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:44:37,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:44:37,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:44:39,429 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-03 02:44:39,429 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:44:39,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81533131] [2022-11-03 02:44:39,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81533131] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:44:39,430 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:44:39,430 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:44:39,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210225528] [2022-11-03 02:44:39,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:44:39,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:44:39,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:44:39,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:44:39,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:44:39,431 INFO L87 Difference]: Start difference. First operand 28970 states and 42349 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) [2022-11-03 02:44:44,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:44:50,990 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:44:54,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:44:55,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:44:58,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:45:00,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:45:04,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:45:07,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:45:12,140 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 [] [2022-11-03 02:45:14,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:45:14,442 INFO L93 Difference]: Finished difference Result 29085 states and 42467 transitions. [2022-11-03 02:45:14,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:45:14,442 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 [2022-11-03 02:45:14,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:45:14,540 INFO L225 Difference]: With dead ends: 29085 [2022-11-03 02:45:14,540 INFO L226 Difference]: Without dead ends: 29083 [2022-11-03 02:45:14,552 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 [2022-11-03 02:45:14,553 INFO L413 NwaCegarLoop]: 8277 mSDtfsCounter, 6955 mSDsluCounter, 16099 mSDsCounter, 0 mSdLazyCounter, 2487 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6957 SdHoareTripleChecker+Valid, 22743 SdHoareTripleChecker+Invalid, 2492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2487 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:45:14,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6957 Valid, 22743 Invalid, 2492 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2487 Invalid, 4 Unknown, 0 Unchecked, 33.2s Time] [2022-11-03 02:45:14,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29083 states. [2022-11-03 02:45:16,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29083 to 28976. [2022-11-03 02:45:16,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28976 states, 16876 states have (on average 1.2878051671012087) internal successors, (21733), 17536 states have internal predecessors, (21733), 10311 states have call successors, (10311), 1765 states have call predecessors, (10311), 1762 states have return successors, (10312), 10089 states have call predecessors, (10312), 10305 states have call successors, (10312) [2022-11-03 02:45:16,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28976 states to 28976 states and 42356 transitions. [2022-11-03 02:45:16,755 INFO L78 Accepts]: Start accepts. Automaton has 28976 states and 42356 transitions. Word has length 90 [2022-11-03 02:45:16,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:45:16,756 INFO L495 AbstractCegarLoop]: Abstraction has 28976 states and 42356 transitions. [2022-11-03 02:45:16,756 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) [2022-11-03 02:45:16,756 INFO L276 IsEmpty]: Start isEmpty. Operand 28976 states and 42356 transitions. [2022-11-03 02:45:16,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-11-03 02:45:16,758 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:45:16,758 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] [2022-11-03 02:45:16,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-03 02:45:16,759 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)] === [2022-11-03 02:45:16,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:45:16,760 INFO L85 PathProgramCache]: Analyzing trace with hash 1503099061, now seen corresponding path program 1 times [2022-11-03 02:45:16,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:45:16,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609496649] [2022-11-03 02:45:16,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:45:16,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:45:17,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:45:18,746 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-11-03 02:45:18,746 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:45:18,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609496649] [2022-11-03 02:45:18,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609496649] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:45:18,747 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:45:18,747 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:45:18,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753522349] [2022-11-03 02:45:18,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:45:18,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:45:18,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:45:18,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:45:18,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:45:18,749 INFO L87 Difference]: Start difference. First operand 28976 states and 42356 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) [2022-11-03 02:45:23,569 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 [] [2022-11-03 02:45:24,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:45:33,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:45:36,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:45:38,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:45:40,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:45:42,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:45:44,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:45:46,990 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:45:51,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:45:54,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:45:57,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:45:57,267 INFO L93 Difference]: Finished difference Result 40885 states and 59409 transitions. [2022-11-03 02:45:57,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:45:57,268 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 [2022-11-03 02:45:57,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:45:57,432 INFO L225 Difference]: With dead ends: 40885 [2022-11-03 02:45:57,432 INFO L226 Difference]: Without dead ends: 40883 [2022-11-03 02:45:57,449 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:45:57,450 INFO L413 NwaCegarLoop]: 7202 mSDtfsCounter, 6137 mSDsluCounter, 20912 mSDsCounter, 0 mSdLazyCounter, 2922 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6147 SdHoareTripleChecker+Valid, 25995 SdHoareTripleChecker+Invalid, 2929 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2922 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:45:57,450 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6147 Valid, 25995 Invalid, 2929 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 2922 Invalid, 4 Unknown, 0 Unchecked, 36.2s Time] [2022-11-03 02:45:57,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40883 states. [2022-11-03 02:45:59,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40883 to 40556. [2022-11-03 02:45:59,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40556 states, 23652 states have (on average 1.2886013867749027) internal successors, (30478), 24582 states have internal predecessors, (30478), 14287 states have call successors, (14287), 2605 states have call predecessors, (14287), 2590 states have return successors, (14290), 13933 states have call predecessors, (14290), 14277 states have call successors, (14290) [2022-11-03 02:46:00,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40556 states to 40556 states and 59055 transitions. [2022-11-03 02:46:00,182 INFO L78 Accepts]: Start accepts. Automaton has 40556 states and 59055 transitions. Word has length 102 [2022-11-03 02:46:00,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:46:00,182 INFO L495 AbstractCegarLoop]: Abstraction has 40556 states and 59055 transitions. [2022-11-03 02:46:00,183 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) [2022-11-03 02:46:00,183 INFO L276 IsEmpty]: Start isEmpty. Operand 40556 states and 59055 transitions. [2022-11-03 02:46:00,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 02:46:00,184 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:46:00,184 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] [2022-11-03 02:46:00,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-03 02:46:00,185 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)] === [2022-11-03 02:46:00,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:46:00,185 INFO L85 PathProgramCache]: Analyzing trace with hash -282353905, now seen corresponding path program 1 times [2022-11-03 02:46:00,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:46:00,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987921784] [2022-11-03 02:46:00,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:46:00,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:46:00,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:46:01,822 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-03 02:46:01,822 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:46:01,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987921784] [2022-11-03 02:46:01,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987921784] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:46:01,823 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:46:01,823 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:46:01,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208438985] [2022-11-03 02:46:01,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:46:01,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:46:01,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:46:01,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:46:01,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:46:01,825 INFO L87 Difference]: Start difference. First operand 40556 states and 59055 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) [2022-11-03 02:46:05,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:46:07,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:46:13,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:46:17,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:46:19,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:46:24,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:46:27,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:46:28,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:46:33,460 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 [] [2022-11-03 02:46:38,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:46:38,161 INFO L93 Difference]: Finished difference Result 40663 states and 59164 transitions. [2022-11-03 02:46:38,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:46:38,162 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 [2022-11-03 02:46:38,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:46:38,307 INFO L225 Difference]: With dead ends: 40663 [2022-11-03 02:46:38,307 INFO L226 Difference]: Without dead ends: 40661 [2022-11-03 02:46:38,323 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 [2022-11-03 02:46:38,324 INFO L413 NwaCegarLoop]: 8271 mSDtfsCounter, 6923 mSDsluCounter, 16092 mSDsCounter, 0 mSdLazyCounter, 2485 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6929 SdHoareTripleChecker+Valid, 22731 SdHoareTripleChecker+Invalid, 2491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2485 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:46:38,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6929 Valid, 22731 Invalid, 2491 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2485 Invalid, 5 Unknown, 0 Unchecked, 34.1s Time] [2022-11-03 02:46:38,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40661 states. [2022-11-03 02:46:40,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40661 to 40562. [2022-11-03 02:46:40,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40562 states, 23655 states have (on average 1.2885647854576199) internal successors, (30481), 24585 states have internal predecessors, (30481), 14289 states have call successors, (14289), 2606 states have call predecessors, (14289), 2591 states have return successors, (14292), 13935 states have call predecessors, (14292), 14279 states have call successors, (14292) [2022-11-03 02:46:40,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40562 states to 40562 states and 59062 transitions. [2022-11-03 02:46:40,879 INFO L78 Accepts]: Start accepts. Automaton has 40562 states and 59062 transitions. Word has length 95 [2022-11-03 02:46:40,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:46:40,883 INFO L495 AbstractCegarLoop]: Abstraction has 40562 states and 59062 transitions. [2022-11-03 02:46:40,883 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) [2022-11-03 02:46:40,883 INFO L276 IsEmpty]: Start isEmpty. Operand 40562 states and 59062 transitions. [2022-11-03 02:46:40,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-11-03 02:46:40,886 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:46:40,886 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] [2022-11-03 02:46:40,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-03 02:46:40,886 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)] === [2022-11-03 02:46:40,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:46:40,887 INFO L85 PathProgramCache]: Analyzing trace with hash -1926793658, now seen corresponding path program 1 times [2022-11-03 02:46:40,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:46:40,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705088053] [2022-11-03 02:46:40,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:46:40,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:46:41,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:46:41,995 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-03 02:46:41,995 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:46:41,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705088053] [2022-11-03 02:46:41,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705088053] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:46:41,996 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:46:41,996 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:46:41,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88753413] [2022-11-03 02:46:42,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:46:42,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:46:42,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:46:42,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:46:42,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:46:42,002 INFO L87 Difference]: Start difference. First operand 40562 states and 59062 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) [2022-11-03 02:46:44,976 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 [] [2022-11-03 02:46:51,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:46:55,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:46:59,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:47:08,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:47:10,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:47:10,571 INFO L93 Difference]: Finished difference Result 40661 states and 59162 transitions. [2022-11-03 02:47:10,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:47:10,572 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 [2022-11-03 02:47:10,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:47:10,709 INFO L225 Difference]: With dead ends: 40661 [2022-11-03 02:47:10,709 INFO L226 Difference]: Without dead ends: 40659 [2022-11-03 02:47:10,728 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 [2022-11-03 02:47:10,729 INFO L413 NwaCegarLoop]: 8277 mSDtfsCounter, 6949 mSDsluCounter, 16098 mSDsCounter, 0 mSdLazyCounter, 2488 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6951 SdHoareTripleChecker+Valid, 22743 SdHoareTripleChecker+Invalid, 2491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2488 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:47:10,729 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6951 Valid, 22743 Invalid, 2491 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2488 Invalid, 2 Unknown, 0 Unchecked, 26.3s Time] [2022-11-03 02:47:10,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40659 states. [2022-11-03 02:47:13,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40659 to 40568. [2022-11-03 02:47:13,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40568 states, 23658 states have (on average 1.2885281934229436) internal successors, (30484), 24588 states have internal predecessors, (30484), 14291 states have call successors, (14291), 2607 states have call predecessors, (14291), 2592 states have return successors, (14294), 13937 states have call predecessors, (14294), 14281 states have call successors, (14294) [2022-11-03 02:47:13,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40568 states to 40568 states and 59069 transitions. [2022-11-03 02:47:13,265 INFO L78 Accepts]: Start accepts. Automaton has 40568 states and 59069 transitions. Word has length 100 [2022-11-03 02:47:13,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:47:13,265 INFO L495 AbstractCegarLoop]: Abstraction has 40568 states and 59069 transitions. [2022-11-03 02:47:13,265 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) [2022-11-03 02:47:13,265 INFO L276 IsEmpty]: Start isEmpty. Operand 40568 states and 59069 transitions. [2022-11-03 02:47:13,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-11-03 02:47:13,268 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:47:13,268 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] [2022-11-03 02:47:13,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-03 02:47:13,268 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)] === [2022-11-03 02:47:13,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:47:13,269 INFO L85 PathProgramCache]: Analyzing trace with hash 936529451, now seen corresponding path program 1 times [2022-11-03 02:47:13,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:47:13,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949426370] [2022-11-03 02:47:13,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:47:13,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:47:13,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:47:14,689 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-03 02:47:14,689 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:47:14,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949426370] [2022-11-03 02:47:14,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949426370] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:47:14,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:47:14,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:47:14,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140078514] [2022-11-03 02:47:14,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:47:14,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:47:14,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:47:14,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:47:14,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:47:14,692 INFO L87 Difference]: Start difference. First operand 40568 states and 59069 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) [2022-11-03 02:47:18,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:47:19,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:47:24,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:47:27,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:47:31,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:47:33,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:47:35,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:47:37,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:47:43,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:47:49,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-03 02:47:51,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-03 02:47:54,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:47:54,565 INFO L93 Difference]: Finished difference Result 41804 states and 60735 transitions. [2022-11-03 02:47:54,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:47:54,566 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 [2022-11-03 02:47:54,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:47:54,701 INFO L225 Difference]: With dead ends: 41804 [2022-11-03 02:47:54,701 INFO L226 Difference]: Without dead ends: 41802 [2022-11-03 02:47:54,716 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 [2022-11-03 02:47:54,717 INFO L413 NwaCegarLoop]: 8766 mSDtfsCounter, 6915 mSDsluCounter, 16661 mSDsCounter, 0 mSdLazyCounter, 2631 mSolverCounterSat, 1 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6919 SdHoareTripleChecker+Valid, 23721 SdHoareTripleChecker+Invalid, 2640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2631 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:47:54,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6919 Valid, 23721 Invalid, 2640 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2631 Invalid, 8 Unknown, 0 Unchecked, 37.3s Time] [2022-11-03 02:47:54,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41802 states. [2022-11-03 02:47:57,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41802 to 41714. [2022-11-03 02:47:57,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41714 states, 24308 states have (on average 1.287148263946026) internal successors, (31288), 25255 states have internal predecessors, (31288), 14677 states have call successors, (14677), 2717 states have call predecessors, (14677), 2702 states have return successors, (14679), 14320 states have call predecessors, (14679), 14666 states have call successors, (14679) [2022-11-03 02:47:57,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41714 states to 41714 states and 60644 transitions. [2022-11-03 02:47:57,367 INFO L78 Accepts]: Start accepts. Automaton has 41714 states and 60644 transitions. Word has length 105 [2022-11-03 02:47:57,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:47:57,368 INFO L495 AbstractCegarLoop]: Abstraction has 41714 states and 60644 transitions. [2022-11-03 02:47:57,368 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) [2022-11-03 02:47:57,369 INFO L276 IsEmpty]: Start isEmpty. Operand 41714 states and 60644 transitions. [2022-11-03 02:47:57,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-11-03 02:47:57,372 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:47:57,372 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] [2022-11-03 02:47:57,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-03 02:47:57,373 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 02:47:57,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:47:57,373 INFO L85 PathProgramCache]: Analyzing trace with hash -162667763, now seen corresponding path program 1 times [2022-11-03 02:47:57,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:47:57,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040744433] [2022-11-03 02:47:57,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:47:57,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:47:57,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:47:59,995 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-11-03 02:47:59,995 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:47:59,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040744433] [2022-11-03 02:47:59,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040744433] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:47:59,995 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:47:59,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:47:59,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176553142] [2022-11-03 02:47:59,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:47:59,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:47:59,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:47:59,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:47:59,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:47:59,997 INFO L87 Difference]: Start difference. First operand 41714 states and 60644 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) [2022-11-03 02:48:05,747 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 [] [2022-11-03 02:48:13,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:48:17,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:48:20,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:48:22,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:48:25,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:48:30,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:48:33,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-03 02:48:36,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:48:36,095 INFO L93 Difference]: Finished difference Result 58813 states and 85207 transitions. [2022-11-03 02:48:36,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:48:36,095 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 [2022-11-03 02:48:36,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:48:36,283 INFO L225 Difference]: With dead ends: 58813 [2022-11-03 02:48:36,283 INFO L226 Difference]: Without dead ends: 58811 [2022-11-03 02:48:36,303 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:48:36,304 INFO L413 NwaCegarLoop]: 7435 mSDtfsCounter, 5898 mSDsluCounter, 21501 mSDsCounter, 0 mSdLazyCounter, 3091 mSolverCounterSat, 3 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5905 SdHoareTripleChecker+Valid, 26700 SdHoareTripleChecker+Invalid, 3099 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 3091 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:48:36,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5905 Valid, 26700 Invalid, 3099 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 3091 Invalid, 5 Unknown, 0 Unchecked, 33.0s Time] [2022-11-03 02:48:36,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58811 states. [2022-11-03 02:48:39,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58811 to 58467. [2022-11-03 02:48:39,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58467 states, 33952 states have (on average 1.287229029217719) internal successors, (43704), 35504 states have internal predecessors, (43704), 20466 states have call successors, (20466), 4115 states have call predecessors, (20466), 4022 states have return successors, (20642), 19658 states have call predecessors, (20642), 20455 states have call successors, (20642) [2022-11-03 02:48:39,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58467 states to 58467 states and 84812 transitions. [2022-11-03 02:48:39,936 INFO L78 Accepts]: Start accepts. Automaton has 58467 states and 84812 transitions. Word has length 121 [2022-11-03 02:48:39,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:48:39,937 INFO L495 AbstractCegarLoop]: Abstraction has 58467 states and 84812 transitions. [2022-11-03 02:48:39,937 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) [2022-11-03 02:48:39,937 INFO L276 IsEmpty]: Start isEmpty. Operand 58467 states and 84812 transitions. [2022-11-03 02:48:39,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-11-03 02:48:39,940 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:48:39,941 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] [2022-11-03 02:48:39,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-03 02:48:39,941 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 02:48:39,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:48:39,942 INFO L85 PathProgramCache]: Analyzing trace with hash -1312755740, now seen corresponding path program 1 times [2022-11-03 02:48:39,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:48:39,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230212039] [2022-11-03 02:48:39,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:48:39,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:48:40,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:48:41,346 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-03 02:48:41,346 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:48:41,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230212039] [2022-11-03 02:48:41,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230212039] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:48:41,347 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:48:41,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:48:41,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155787693] [2022-11-03 02:48:41,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:48:41,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:48:41,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:48:41,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:48:41,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:48:41,349 INFO L87 Difference]: Start difference. First operand 58467 states and 84812 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) [2022-11-03 02:48:46,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:48:52,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:48:55,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:48:57,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:49:00,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:49:04,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:49:11,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-03 02:49:14,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:49:14,135 INFO L93 Difference]: Finished difference Result 66565 states and 96335 transitions. [2022-11-03 02:49:14,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:49:14,136 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 [2022-11-03 02:49:14,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:49:14,366 INFO L225 Difference]: With dead ends: 66565 [2022-11-03 02:49:14,366 INFO L226 Difference]: Without dead ends: 66563 [2022-11-03 02:49:14,391 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 [2022-11-03 02:49:14,392 INFO L413 NwaCegarLoop]: 7441 mSDtfsCounter, 6924 mSDsluCounter, 13274 mSDsCounter, 0 mSdLazyCounter, 2125 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6932 SdHoareTripleChecker+Valid, 19378 SdHoareTripleChecker+Invalid, 2131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2125 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:49:14,392 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6932 Valid, 19378 Invalid, 2131 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2125 Invalid, 5 Unknown, 0 Unchecked, 29.2s Time] [2022-11-03 02:49:14,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66563 states. [2022-11-03 02:49:18,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66563 to 66345. [2022-11-03 02:49:18,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66345 states, 38467 states have (on average 1.2848415524995451) internal successors, (49424), 40194 states have internal predecessors, (49424), 23252 states have call successors, (23252), 4698 states have call predecessors, (23252), 4599 states have return successors, (23440), 22366 states have call predecessors, (23440), 23237 states have call successors, (23440) [2022-11-03 02:49:18,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66345 states to 66345 states and 96116 transitions. [2022-11-03 02:49:18,794 INFO L78 Accepts]: Start accepts. Automaton has 66345 states and 96116 transitions. Word has length 110 [2022-11-03 02:49:18,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:49:18,794 INFO L495 AbstractCegarLoop]: Abstraction has 66345 states and 96116 transitions. [2022-11-03 02:49:18,794 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) [2022-11-03 02:49:18,795 INFO L276 IsEmpty]: Start isEmpty. Operand 66345 states and 96116 transitions. [2022-11-03 02:49:18,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-11-03 02:49:18,798 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:49:18,798 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] [2022-11-03 02:49:18,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-03 02:49:18,798 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)] === [2022-11-03 02:49:18,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:49:18,799 INFO L85 PathProgramCache]: Analyzing trace with hash 20637658, now seen corresponding path program 1 times [2022-11-03 02:49:18,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:49:18,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174313492] [2022-11-03 02:49:18,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:49:18,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:49:19,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:49:20,450 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2022-11-03 02:49:20,451 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:49:20,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174313492] [2022-11-03 02:49:20,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174313492] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:49:20,452 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:49:20,452 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:49:20,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542748790] [2022-11-03 02:49:20,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:49:20,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:49:20,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:49:20,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:49:20,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:49:20,454 INFO L87 Difference]: Start difference. First operand 66345 states and 96116 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) [2022-11-03 02:49:25,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:49:27,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:49:38,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:49:40,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:49:42,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:49:44,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:49:49,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:49:55,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:49:55,899 INFO L93 Difference]: Finished difference Result 66507 states and 96239 transitions. [2022-11-03 02:49:55,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:49:55,899 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 [2022-11-03 02:49:55,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:49:56,131 INFO L225 Difference]: With dead ends: 66507 [2022-11-03 02:49:56,132 INFO L226 Difference]: Without dead ends: 66505 [2022-11-03 02:49:56,158 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 [2022-11-03 02:49:56,159 INFO L413 NwaCegarLoop]: 6220 mSDtfsCounter, 49 mSDsluCounter, 20974 mSDsCounter, 0 mSdLazyCounter, 3166 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 24834 SdHoareTripleChecker+Invalid, 3170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3166 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:49:56,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 24834 Invalid, 3170 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 3166 Invalid, 3 Unknown, 0 Unchecked, 31.8s Time] [2022-11-03 02:49:56,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66505 states. [2022-11-03 02:50:00,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66505 to 64626. [2022-11-03 02:50:00,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64626 states, 37509 states have (on average 1.285638113519422) internal successors, (48223), 39207 states have internal predecessors, (48223), 22590 states have call successors, (22590), 4599 states have call predecessors, (22590), 4500 states have return successors, (22780), 21708 states have call predecessors, (22780), 22577 states have call successors, (22780) [2022-11-03 02:50:00,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64626 states to 64626 states and 93593 transitions. [2022-11-03 02:50:00,441 INFO L78 Accepts]: Start accepts. Automaton has 64626 states and 93593 transitions. Word has length 121 [2022-11-03 02:50:00,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:50:00,442 INFO L495 AbstractCegarLoop]: Abstraction has 64626 states and 93593 transitions. [2022-11-03 02:50:00,442 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) [2022-11-03 02:50:00,443 INFO L276 IsEmpty]: Start isEmpty. Operand 64626 states and 93593 transitions. [2022-11-03 02:50:00,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-03 02:50:00,446 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:50:00,446 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] [2022-11-03 02:50:00,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-03 02:50:00,447 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)] === [2022-11-03 02:50:00,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:50:00,447 INFO L85 PathProgramCache]: Analyzing trace with hash -1604003759, now seen corresponding path program 1 times [2022-11-03 02:50:00,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:50:00,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063495516] [2022-11-03 02:50:00,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:50:00,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:50:00,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:50:01,802 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-03 02:50:01,802 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:50:01,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063495516] [2022-11-03 02:50:01,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063495516] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:50:01,803 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:50:01,803 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:50:01,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097035327] [2022-11-03 02:50:01,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:50:01,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:50:01,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:50:01,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:50:01,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:50:01,805 INFO L87 Difference]: Start difference. First operand 64626 states and 93593 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) [2022-11-03 02:50:06,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:50:13,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:50:17,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:50:20,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:50:26,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []