./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 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e65ce0ca1630c9676f80f28ff5aee772276e1a4ab72beeeb2195c791073f2dc7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-17 13:08:14,567 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 13:08:14,569 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 13:08:14,610 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 13:08:14,611 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 13:08:14,614 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 13:08:14,615 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 13:08:14,617 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 13:08:14,619 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 13:08:14,623 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 13:08:14,624 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 13:08:14,625 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 13:08:14,626 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 13:08:14,628 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 13:08:14,629 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 13:08:14,630 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 13:08:14,631 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 13:08:14,631 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 13:08:14,633 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 13:08:14,639 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 13:08:14,641 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 13:08:14,642 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 13:08:14,643 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 13:08:14,644 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 13:08:14,650 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 13:08:14,650 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 13:08:14,650 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 13:08:14,652 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 13:08:14,652 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 13:08:14,653 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 13:08:14,653 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 13:08:14,654 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 13:08:14,656 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 13:08:14,657 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 13:08:14,658 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 13:08:14,658 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 13:08:14,659 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 13:08:14,659 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 13:08:14,659 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 13:08:14,660 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 13:08:14,660 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 13:08:14,661 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 13:08:14,693 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 13:08:14,693 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 13:08:14,694 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 13:08:14,694 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 13:08:14,695 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 13:08:14,695 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 13:08:14,695 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 13:08:14,696 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 13:08:14,696 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 13:08:14,696 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 13:08:14,697 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 13:08:14,697 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 13:08:14,697 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 13:08:14,697 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 13:08:14,698 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 13:08:14,698 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 13:08:14,698 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 13:08:14,698 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 13:08:14,698 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 13:08:14,699 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 13:08:14,699 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 13:08:14,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 13:08:14,699 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 13:08:14,699 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 13:08:14,700 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 13:08:14,700 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 13:08:14,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 13:08:14,700 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 13:08:14,700 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 13:08:14,701 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 13:08:14,701 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 13:08:14,701 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e65ce0ca1630c9676f80f28ff5aee772276e1a4ab72beeeb2195c791073f2dc7 [2021-11-17 13:08:14,932 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 13:08:14,955 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 13:08:14,957 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 13:08:14,959 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 13:08:14,960 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 13:08:14,961 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i [2021-11-17 13:08:15,035 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db4e25a1e/1ff1b0587c9344c7870daa4ff7cffd2c/FLAG371b71ddc [2021-11-17 13:08:16,130 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 13:08:16,130 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i [2021-11-17 13:08:16,218 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db4e25a1e/1ff1b0587c9344c7870daa4ff7cffd2c/FLAG371b71ddc [2021-11-17 13:08:16,303 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db4e25a1e/1ff1b0587c9344c7870daa4ff7cffd2c [2021-11-17 13:08:16,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 13:08:16,307 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 13:08:16,309 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 13:08:16,309 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 13:08:16,313 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 13:08:16,313 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 01:08:16" (1/1) ... [2021-11-17 13:08:16,314 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a4723a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:08:16, skipping insertion in model container [2021-11-17 13:08:16,315 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 01:08:16" (1/1) ... [2021-11-17 13:08:16,320 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 13:08:16,522 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 13:08:28,511 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[969751,969764] [2021-11-17 13:08:28,514 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[969896,969909] [2021-11-17 13:08:28,515 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[970042,970055] [2021-11-17 13:08:28,515 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[970207,970220] [2021-11-17 13:08:28,516 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[970365,970378] [2021-11-17 13:08:28,516 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[970523,970536] [2021-11-17 13:08:28,516 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[970681,970694] [2021-11-17 13:08:28,517 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[970841,970854] [2021-11-17 13:08:28,517 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971000,971013] [2021-11-17 13:08:28,518 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971139,971152] [2021-11-17 13:08:28,518 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971281,971294] [2021-11-17 13:08:28,518 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971430,971443] [2021-11-17 13:08:28,519 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971569,971582] [2021-11-17 13:08:28,519 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971724,971737] [2021-11-17 13:08:28,519 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971884,971897] [2021-11-17 13:08:28,520 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972035,972048] [2021-11-17 13:08:28,520 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972186,972199] [2021-11-17 13:08:28,521 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972338,972351] [2021-11-17 13:08:28,521 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972487,972500] [2021-11-17 13:08:28,521 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972635,972648] [2021-11-17 13:08:28,522 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972792,972805] [2021-11-17 13:08:28,522 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972941,972954] [2021-11-17 13:08:28,522 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973097,973110] [2021-11-17 13:08:28,523 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973250,973263] [2021-11-17 13:08:28,523 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973396,973409] [2021-11-17 13:08:28,523 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973539,973552] [2021-11-17 13:08:28,524 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973691,973704] [2021-11-17 13:08:28,524 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973837,973850] [2021-11-17 13:08:28,525 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973982,973995] [2021-11-17 13:08:28,525 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[974136,974149] [2021-11-17 13:08:28,525 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[974287,974300] [2021-11-17 13:08:28,526 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[974442,974455] [2021-11-17 13:08:28,526 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[974594,974607] [2021-11-17 13:08:28,526 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[974749,974762] [2021-11-17 13:08:28,527 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[974913,974926] [2021-11-17 13:08:28,527 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[975069,975082] [2021-11-17 13:08:28,528 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[975233,975246] [2021-11-17 13:08:28,528 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[975375,975388] [2021-11-17 13:08:28,529 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[975533,975546] [2021-11-17 13:08:28,529 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[975700,975713] [2021-11-17 13:08:28,529 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[975859,975872] [2021-11-17 13:08:28,530 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976018,976031] [2021-11-17 13:08:28,530 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976167,976180] [2021-11-17 13:08:28,530 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976314,976327] [2021-11-17 13:08:28,531 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976453,976466] [2021-11-17 13:08:28,531 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976616,976629] [2021-11-17 13:08:28,531 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976782,976795] [2021-11-17 13:08:28,532 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976946,976959] [2021-11-17 13:08:28,532 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[977111,977124] [2021-11-17 13:08:28,533 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[977276,977289] [2021-11-17 13:08:28,533 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[977442,977455] [2021-11-17 13:08:28,533 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[977607,977620] [2021-11-17 13:08:28,534 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[977774,977787] [2021-11-17 13:08:28,534 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[977934,977947] [2021-11-17 13:08:28,534 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978096,978109] [2021-11-17 13:08:28,535 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978255,978268] [2021-11-17 13:08:28,535 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978401,978414] [2021-11-17 13:08:28,535 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978544,978557] [2021-11-17 13:08:28,536 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978688,978701] [2021-11-17 13:08:28,536 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978831,978844] [2021-11-17 13:08:28,537 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978975,978988] [2021-11-17 13:08:28,537 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[979116,979129] [2021-11-17 13:08:28,537 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[979254,979267] [2021-11-17 13:08:28,538 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[979412,979425] [2021-11-17 13:08:28,538 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[979571,979584] [2021-11-17 13:08:28,538 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[979727,979740] [2021-11-17 13:08:28,539 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[979876,979889] [2021-11-17 13:08:28,539 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980028,980041] [2021-11-17 13:08:28,539 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980179,980192] [2021-11-17 13:08:28,540 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980328,980341] [2021-11-17 13:08:28,540 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980480,980493] [2021-11-17 13:08:28,540 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980628,980641] [2021-11-17 13:08:28,541 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980781,980794] [2021-11-17 13:08:28,541 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980932,980945] [2021-11-17 13:08:28,542 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[981082,981095] [2021-11-17 13:08:28,542 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[981229,981242] [2021-11-17 13:08:28,542 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[981380,981393] [2021-11-17 13:08:28,543 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[981531,981544] [2021-11-17 13:08:28,543 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[981679,981692] [2021-11-17 13:08:28,543 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[981845,981858] [2021-11-17 13:08:28,544 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982014,982027] [2021-11-17 13:08:28,544 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982181,982194] [2021-11-17 13:08:28,544 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982349,982362] [2021-11-17 13:08:28,545 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982499,982512] [2021-11-17 13:08:28,545 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982646,982659] [2021-11-17 13:08:28,546 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982807,982820] [2021-11-17 13:08:28,546 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982977,982990] [2021-11-17 13:08:28,546 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[983139,983152] [2021-11-17 13:08:28,592 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 13:08:28,621 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 13:08:29,393 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[969751,969764] [2021-11-17 13:08:29,394 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[969896,969909] [2021-11-17 13:08:29,395 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[970042,970055] [2021-11-17 13:08:29,396 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[970207,970220] [2021-11-17 13:08:29,397 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[970365,970378] [2021-11-17 13:08:29,397 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[970523,970536] [2021-11-17 13:08:29,398 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[970681,970694] [2021-11-17 13:08:29,398 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[970841,970854] [2021-11-17 13:08:29,399 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971000,971013] [2021-11-17 13:08:29,399 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971139,971152] [2021-11-17 13:08:29,400 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971281,971294] [2021-11-17 13:08:29,400 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971430,971443] [2021-11-17 13:08:29,401 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971569,971582] [2021-11-17 13:08:29,402 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971724,971737] [2021-11-17 13:08:29,402 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[971884,971897] [2021-11-17 13:08:29,402 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972035,972048] [2021-11-17 13:08:29,403 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972186,972199] [2021-11-17 13:08:29,403 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972338,972351] [2021-11-17 13:08:29,404 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972487,972500] [2021-11-17 13:08:29,404 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972635,972648] [2021-11-17 13:08:29,404 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972792,972805] [2021-11-17 13:08:29,405 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[972941,972954] [2021-11-17 13:08:29,406 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973097,973110] [2021-11-17 13:08:29,406 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973250,973263] [2021-11-17 13:08:29,406 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973396,973409] [2021-11-17 13:08:29,407 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973539,973552] [2021-11-17 13:08:29,407 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973691,973704] [2021-11-17 13:08:29,407 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973837,973850] [2021-11-17 13:08:29,407 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[973982,973995] [2021-11-17 13:08:29,408 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[974136,974149] [2021-11-17 13:08:29,408 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[974287,974300] [2021-11-17 13:08:29,409 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[974442,974455] [2021-11-17 13:08:29,409 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[974594,974607] [2021-11-17 13:08:29,409 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[974749,974762] [2021-11-17 13:08:29,410 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[974913,974926] [2021-11-17 13:08:29,410 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[975069,975082] [2021-11-17 13:08:29,411 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[975233,975246] [2021-11-17 13:08:29,411 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[975375,975388] [2021-11-17 13:08:29,411 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[975533,975546] [2021-11-17 13:08:29,412 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[975700,975713] [2021-11-17 13:08:29,413 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[975859,975872] [2021-11-17 13:08:29,413 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976018,976031] [2021-11-17 13:08:29,414 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976167,976180] [2021-11-17 13:08:29,414 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976314,976327] [2021-11-17 13:08:29,414 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976453,976466] [2021-11-17 13:08:29,415 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976616,976629] [2021-11-17 13:08:29,415 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976782,976795] [2021-11-17 13:08:29,415 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[976946,976959] [2021-11-17 13:08:29,416 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[977111,977124] [2021-11-17 13:08:29,417 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[977276,977289] [2021-11-17 13:08:29,417 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[977442,977455] [2021-11-17 13:08:29,418 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[977607,977620] [2021-11-17 13:08:29,418 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[977774,977787] [2021-11-17 13:08:29,418 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[977934,977947] [2021-11-17 13:08:29,419 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978096,978109] [2021-11-17 13:08:29,420 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978255,978268] [2021-11-17 13:08:29,420 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978401,978414] [2021-11-17 13:08:29,420 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978544,978557] [2021-11-17 13:08:29,421 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978688,978701] [2021-11-17 13:08:29,421 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978831,978844] [2021-11-17 13:08:29,421 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[978975,978988] [2021-11-17 13:08:29,422 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[979116,979129] [2021-11-17 13:08:29,424 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[979254,979267] [2021-11-17 13:08:29,429 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[979412,979425] [2021-11-17 13:08:29,430 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[979571,979584] [2021-11-17 13:08:29,431 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[979727,979740] [2021-11-17 13:08:29,432 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[979876,979889] [2021-11-17 13:08:29,432 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980028,980041] [2021-11-17 13:08:29,433 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980179,980192] [2021-11-17 13:08:29,433 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980328,980341] [2021-11-17 13:08:29,434 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980480,980493] [2021-11-17 13:08:29,434 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980628,980641] [2021-11-17 13:08:29,439 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980781,980794] [2021-11-17 13:08:29,440 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[980932,980945] [2021-11-17 13:08:29,440 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[981082,981095] [2021-11-17 13:08:29,440 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[981229,981242] [2021-11-17 13:08:29,440 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[981380,981393] [2021-11-17 13:08:29,441 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[981531,981544] [2021-11-17 13:08:29,442 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[981679,981692] [2021-11-17 13:08:29,443 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[981845,981858] [2021-11-17 13:08:29,443 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982014,982027] [2021-11-17 13:08:29,444 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982181,982194] [2021-11-17 13:08:29,444 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982349,982362] [2021-11-17 13:08:29,444 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982499,982512] [2021-11-17 13:08:29,445 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982646,982659] [2021-11-17 13:08:29,445 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982807,982820] [2021-11-17 13:08:29,445 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[982977,982990] [2021-11-17 13:08:29,445 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i[983139,983152] [2021-11-17 13:08:29,453 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 13:08:29,928 INFO L208 MainTranslator]: Completed translation [2021-11-17 13:08:29,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:08:29 WrapperNode [2021-11-17 13:08:29,929 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 13:08:29,930 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 13:08:29,930 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 13:08:29,930 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 13:08:29,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:08:29" (1/1) ... [2021-11-17 13:08:30,175 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:08:29" (1/1) ... [2021-11-17 13:08:30,617 INFO L137 Inliner]: procedures = 1073, calls = 9645, calls flagged for inlining = 511, calls inlined = 406, statements flattened = 20844 [2021-11-17 13:08:30,618 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 13:08:30,619 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 13:08:30,619 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 13:08:30,620 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 13:08:30,629 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:08:29" (1/1) ... [2021-11-17 13:08:30,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:08:29" (1/1) ... [2021-11-17 13:08:30,753 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:08:29" (1/1) ... [2021-11-17 13:08:30,754 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:08:29" (1/1) ... [2021-11-17 13:08:31,212 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:08:29" (1/1) ... [2021-11-17 13:08:31,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:08:29" (1/1) ... [2021-11-17 13:08:31,493 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:08:29" (1/1) ... [2021-11-17 13:08:31,608 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 13:08:31,609 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 13:08:31,609 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 13:08:31,609 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 13:08:31,612 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:08:29" (1/1) ... [2021-11-17 13:08:31,633 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 13:08:31,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 13:08:31,701 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-17 13:08:31,734 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-17 13:08:31,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_122 [2021-11-17 13:08:31,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_122 [2021-11-17 13:08:31,785 INFO L130 BoogieDeclarations]: Found specification of procedure free_io_sgl_handle [2021-11-17 13:08:31,785 INFO L138 BoogieDeclarations]: Found implementation of procedure free_io_sgl_handle [2021-11-17 13:08:31,785 INFO L130 BoogieDeclarations]: Found specification of procedure be_mbox_notify_wait [2021-11-17 13:08:31,785 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mbox_notify_wait [2021-11-17 13:08:31,785 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-11-17 13:08:31,785 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-11-17 13:08:31,786 INFO L130 BoogieDeclarations]: Found specification of procedure amap_get [2021-11-17 13:08:31,786 INFO L138 BoogieDeclarations]: Found implementation of procedure amap_get [2021-11-17 13:08:31,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-17 13:08:31,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-17 13:08:31,786 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-11-17 13:08:31,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-11-17 13:08:31,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-17 13:08:31,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-17 13:08:31,787 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_mcc_tag [2021-11-17 13:08:31,787 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_mcc_tag [2021-11-17 13:08:31,789 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-17 13:08:31,789 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-17 13:08:31,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_159 [2021-11-17 13:08:31,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_159 [2021-11-17 13:08:31,789 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-11-17 13:08:31,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-11-17 13:08:31,790 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2021-11-17 13:08:31,798 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2021-11-17 13:08:31,799 INFO L130 BoogieDeclarations]: Found specification of procedure swap_dws [2021-11-17 13:08:31,799 INFO L138 BoogieDeclarations]: Found implementation of procedure swap_dws [2021-11-17 13:08:31,799 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-17 13:08:31,799 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-17 13:08:31,799 INFO L130 BoogieDeclarations]: Found specification of procedure free_mcc_tag [2021-11-17 13:08:31,799 INFO L138 BoogieDeclarations]: Found implementation of procedure free_mcc_tag [2021-11-17 13:08:31,799 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_enable_intr [2021-11-17 13:08:31,800 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_enable_intr [2021-11-17 13:08:31,800 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_free_mem [2021-11-17 13:08:31,800 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_free_mem [2021-11-17 13:08:31,800 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_get_async_busy_list [2021-11-17 13:08:31,800 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_get_async_busy_list [2021-11-17 13:08:31,800 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-17 13:08:31,800 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-17 13:08:31,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-17 13:08:31,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-17 13:08:31,801 INFO L130 BoogieDeclarations]: Found specification of procedure __rounddown_pow_of_two [2021-11-17 13:08:31,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __rounddown_pow_of_two [2021-11-17 13:08:31,801 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-17 13:08:31,801 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-17 13:08:31,801 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-17 13:08:31,801 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-17 13:08:31,801 INFO L130 BoogieDeclarations]: Found specification of procedure be_queue_free [2021-11-17 13:08:31,802 INFO L138 BoogieDeclarations]: Found implementation of procedure be_queue_free [2021-11-17 13:08:31,802 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-11-17 13:08:31,802 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-11-17 13:08:31,802 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-17 13:08:31,802 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-17 13:08:31,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-17 13:08:31,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-17 13:08:31,803 INFO L130 BoogieDeclarations]: Found specification of procedure index_inc [2021-11-17 13:08:31,803 INFO L138 BoogieDeclarations]: Found implementation of procedure index_inc [2021-11-17 13:08:31,803 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_mgmt_sgl_handle [2021-11-17 13:08:31,803 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_mgmt_sgl_handle [2021-11-17 13:08:31,803 INFO L130 BoogieDeclarations]: Found specification of procedure be_wrb_hdr_prepare [2021-11-17 13:08:31,804 INFO L138 BoogieDeclarations]: Found implementation of procedure be_wrb_hdr_prepare [2021-11-17 13:08:31,804 INFO L130 BoogieDeclarations]: Found specification of procedure pci_zalloc_consistent [2021-11-17 13:08:31,804 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_zalloc_consistent [2021-11-17 13:08:31,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-17 13:08:31,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-17 13:08:31,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 13:08:31,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-17 13:08:31,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-17 13:08:31,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_mgmt_sgl_lock_of_beiscsi_hba [2021-11-17 13:08:31,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_mgmt_sgl_lock_of_beiscsi_hba [2021-11-17 13:08:31,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-17 13:08:31,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-17 13:08:31,806 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_set_static_ip [2021-11-17 13:08:31,806 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_set_static_ip [2021-11-17 13:08:31,806 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-17 13:08:31,806 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-17 13:08:31,807 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2021-11-17 13:08:31,807 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2021-11-17 13:08:31,807 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-17 13:08:31,807 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-17 13:08:31,807 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-17 13:08:31,807 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-17 13:08:31,807 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2021-11-17 13:08:31,807 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2021-11-17 13:08:31,808 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_target [2021-11-17 13:08:31,808 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_target [2021-11-17 13:08:31,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-17 13:08:31,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-17 13:08:31,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_check_return_value_probe [2021-11-17 13:08:31,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_check_return_value_probe [2021-11-17 13:08:31,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 13:08:31,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-11-17 13:08:31,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2021-11-17 13:08:31,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_check_return_value_probe [2021-11-17 13:08:31,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_check_return_value_probe [2021-11-17 13:08:31,809 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-17 13:08:31,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-17 13:08:31,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 13:08:31,809 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_task_xmit [2021-11-17 13:08:31,810 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_task_xmit [2021-11-17 13:08:31,810 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_conn_start [2021-11-17 13:08:31,810 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_conn_start [2021-11-17 13:08:31,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-17 13:08:31,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-17 13:08:31,810 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-17 13:08:31,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-17 13:08:31,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_166 [2021-11-17 13:08:31,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_166 [2021-11-17 13:08:31,824 INFO L130 BoogieDeclarations]: Found specification of procedure fls_long [2021-11-17 13:08:31,824 INFO L138 BoogieDeclarations]: Found implementation of procedure fls_long [2021-11-17 13:08:31,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 13:08:31,824 INFO L130 BoogieDeclarations]: Found specification of procedure nonembedded_sgl [2021-11-17 13:08:31,824 INFO L138 BoogieDeclarations]: Found implementation of procedure nonembedded_sgl [2021-11-17 13:08:31,824 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-11-17 13:08:31,824 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-11-17 13:08:31,824 INFO L130 BoogieDeclarations]: Found specification of procedure queue_tail_inc [2021-11-17 13:08:31,825 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_tail_inc [2021-11-17 13:08:31,825 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_modify_gateway [2021-11-17 13:08:31,825 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_modify_gateway [2021-11-17 13:08:31,825 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2021-11-17 13:08:31,825 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2021-11-17 13:08:31,825 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_get_all_if_id [2021-11-17 13:08:31,825 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_get_all_if_id [2021-11-17 13:08:31,825 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_clean_port [2021-11-17 13:08:31,826 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_clean_port [2021-11-17 13:08:31,826 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_cmd_cq_create [2021-11-17 13:08:31,826 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_cmd_cq_create [2021-11-17 13:08:31,826 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-17 13:08:31,826 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-17 13:08:31,826 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_host_remove [2021-11-17 13:08:31,826 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_host_remove [2021-11-17 13:08:31,826 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_log_enable_store [2021-11-17 13:08:31,827 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_log_enable_store [2021-11-17 13:08:31,827 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-11-17 13:08:31,827 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-11-17 13:08:31,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 13:08:31,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 13:08:31,827 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-17 13:08:31,827 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-17 13:08:31,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-17 13:08:31,828 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_cleanup [2021-11-17 13:08:31,828 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_cleanup [2021-11-17 13:08:31,828 INFO L130 BoogieDeclarations]: Found specification of procedure is_link_state_evt [2021-11-17 13:08:31,828 INFO L138 BoogieDeclarations]: Found implementation of procedure is_link_state_evt [2021-11-17 13:08:31,828 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-11-17 13:08:31,828 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-11-17 13:08:31,828 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_invalidate_icds [2021-11-17 13:08:31,828 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_invalidate_icds [2021-11-17 13:08:31,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-17 13:08:31,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-17 13:08:31,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_135 [2021-11-17 13:08:31,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_135 [2021-11-17 13:08:31,829 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_target_alloc [2021-11-17 13:08:31,829 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_target_alloc [2021-11-17 13:08:31,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-17 13:08:31,829 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-17 13:08:31,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2021-11-17 13:08:31,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2021-11-17 13:08:31,830 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_set_vlan [2021-11-17 13:08:31,830 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_set_vlan [2021-11-17 13:08:31,830 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_update_async_writables [2021-11-17 13:08:31,830 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_update_async_writables [2021-11-17 13:08:31,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-17 13:08:31,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-17 13:08:31,830 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-17 13:08:31,831 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-17 13:08:31,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-17 13:08:31,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-17 13:08:31,831 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-11-17 13:08:31,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-11-17 13:08:31,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-17 13:08:31,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-17 13:08:31,831 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_session_recovery_timedout [2021-11-17 13:08:31,832 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_session_recovery_timedout [2021-11-17 13:08:31,832 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_unregister_transport [2021-11-17 13:08:31,832 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_unregister_transport [2021-11-17 13:08:31,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 13:08:31,832 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-17 13:08:31,832 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-17 13:08:31,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-17 13:08:31,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-17 13:08:31,833 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_remove [2021-11-17 13:08:31,833 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_remove [2021-11-17 13:08:31,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 13:08:31,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_121 [2021-11-17 13:08:31,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_121 [2021-11-17 13:08:31,833 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_get_gateway [2021-11-17 13:08:31,833 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_get_gateway [2021-11-17 13:08:31,834 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_get_if_info [2021-11-17 13:08:31,834 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_get_if_info [2021-11-17 13:08:31,834 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_wrb_handle [2021-11-17 13:08:31,834 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_wrb_handle [2021-11-17 13:08:31,834 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2021-11-17 13:08:31,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2021-11-17 13:08:31,834 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2021-11-17 13:08:31,834 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2021-11-17 13:08:31,834 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-17 13:08:31,835 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-17 13:08:31,835 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-17 13:08:31,835 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-17 13:08:31,835 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_set_ip [2021-11-17 13:08:31,835 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_set_ip [2021-11-17 13:08:31,835 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_ring_cq_db [2021-11-17 13:08:31,835 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_ring_cq_db [2021-11-17 13:08:31,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-17 13:08:31,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-17 13:08:31,836 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_format_mac [2021-11-17 13:08:31,836 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_format_mac [2021-11-17 13:08:31,836 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-17 13:08:31,836 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-17 13:08:31,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-17 13:08:31,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-17 13:08:31,837 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_get_async_handle [2021-11-17 13:08:31,837 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_get_async_handle [2021-11-17 13:08:31,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-17 13:08:31,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-17 13:08:31,837 INFO L130 BoogieDeclarations]: Found specification of procedure be_mbox_db_ready_wait [2021-11-17 13:08:31,837 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mbox_db_ready_wait [2021-11-17 13:08:31,837 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2021-11-17 13:08:31,837 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2021-11-17 13:08:31,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 13:08:31,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-17 13:08:31,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-17 13:08:31,838 INFO L130 BoogieDeclarations]: Found specification of procedure find_num_cpus [2021-11-17 13:08:31,838 INFO L138 BoogieDeclarations]: Found implementation of procedure find_num_cpus [2021-11-17 13:08:31,838 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2021-11-17 13:08:31,838 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2021-11-17 13:08:31,838 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_ring_eq_db [2021-11-17 13:08:31,839 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_ring_eq_db [2021-11-17 13:08:31,839 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-17 13:08:31,839 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-17 13:08:31,839 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_host_free [2021-11-17 13:08:31,839 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_host_free [2021-11-17 13:08:31,839 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_create_ipv4_iface [2021-11-17 13:08:31,839 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_create_ipv4_iface [2021-11-17 13:08:31,839 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_shost [2021-11-17 13:08:31,840 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_shost [2021-11-17 13:08:31,840 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-17 13:08:31,840 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-17 13:08:31,840 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_destroy_endpoint [2021-11-17 13:08:31,840 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_destroy_endpoint [2021-11-17 13:08:31,840 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_conn_teardown [2021-11-17 13:08:31,840 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_conn_teardown [2021-11-17 13:08:31,840 INFO L130 BoogieDeclarations]: Found specification of procedure blk_iopoll_sched [2021-11-17 13:08:31,841 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_iopoll_sched [2021-11-17 13:08:31,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_121 [2021-11-17 13:08:31,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_121 [2021-11-17 13:08:31,841 INFO L130 BoogieDeclarations]: Found specification of procedure amap_mask [2021-11-17 13:08:31,841 INFO L138 BoogieDeclarations]: Found implementation of procedure amap_mask [2021-11-17 13:08:31,841 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_create_ipv6_iface [2021-11-17 13:08:31,841 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_create_ipv6_iface [2021-11-17 13:08:31,841 INFO L130 BoogieDeclarations]: Found specification of procedure be_encoded_q_len [2021-11-17 13:08:31,842 INFO L138 BoogieDeclarations]: Found implementation of procedure be_encoded_q_len [2021-11-17 13:08:31,842 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_fwd_async_msg [2021-11-17 13:08:31,842 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_fwd_async_msg [2021-11-17 13:08:31,842 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_static_ip_modify [2021-11-17 13:08:31,842 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_static_ip_modify [2021-11-17 13:08:31,842 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-11-17 13:08:31,842 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2021-11-17 13:08:31,842 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2021-11-17 13:08:31,842 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2021-11-17 13:08:31,843 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2021-11-17 13:08:31,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_isr_lock_of_beiscsi_hba [2021-11-17 13:08:31,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_isr_lock_of_beiscsi_hba [2021-11-17 13:08:31,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-17 13:08:31,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-17 13:08:31,849 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_compl_use [2021-11-17 13:08:31,849 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_compl_use [2021-11-17 13:08:31,849 INFO L130 BoogieDeclarations]: Found specification of procedure __iscsi_complete_pdu [2021-11-17 13:08:31,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __iscsi_complete_pdu [2021-11-17 13:08:31,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-17 13:08:31,849 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-17 13:08:31,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 13:08:31,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 13:08:31,850 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_purge_eq [2021-11-17 13:08:31,850 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_purge_eq [2021-11-17 13:08:31,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_165 [2021-11-17 13:08:31,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_165 [2021-11-17 13:08:31,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_remap [2021-11-17 13:08:31,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_remap [2021-11-17 13:08:31,851 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-17 13:08:31,851 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-17 13:08:31,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_158 [2021-11-17 13:08:31,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_158 [2021-11-17 13:08:31,851 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_compl_is_new [2021-11-17 13:08:31,851 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_compl_is_new [2021-11-17 13:08:31,851 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_exec_nonemb_cmd [2021-11-17 13:08:31,851 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_exec_nonemb_cmd [2021-11-17 13:08:31,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-17 13:08:31,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-17 13:08:31,852 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2021-11-17 13:08:31,852 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2021-11-17 13:08:31,852 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_ue_detect [2021-11-17 13:08:31,852 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_ue_detect [2021-11-17 13:08:31,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-17 13:08:31,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-17 13:08:31,853 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-17 13:08:31,853 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-17 13:08:31,853 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_eh_device_reset [2021-11-17 13:08:31,853 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_eh_device_reset [2021-11-17 13:08:31,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-17 13:08:31,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-17 13:08:31,853 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-11-17 13:08:31,853 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-11-17 13:08:31,854 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_page_addrs_prepare [2021-11-17 13:08:31,854 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_page_addrs_prepare [2021-11-17 13:08:31,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-17 13:08:31,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-17 13:08:31,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-17 13:08:31,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-17 13:08:31,854 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_cmd_reset_function [2021-11-17 13:08:31,854 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_cmd_reset_function [2021-11-17 13:08:31,855 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_eeh_resume [2021-11-17 13:08:31,855 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_eeh_resume [2021-11-17 13:08:31,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 13:08:31,855 INFO L130 BoogieDeclarations]: Found specification of procedure nla_find [2021-11-17 13:08:31,855 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_find [2021-11-17 13:08:31,855 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_session_teardown [2021-11-17 13:08:31,855 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_session_teardown [2021-11-17 13:08:31,855 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-17 13:08:31,856 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-17 13:08:31,856 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_init_irqs [2021-11-17 13:08:31,856 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_init_irqs [2021-11-17 13:08:31,856 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_cleanup_task [2021-11-17 13:08:31,856 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_cleanup_task [2021-11-17 13:08:31,856 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-11-17 13:08:31,871 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-11-17 13:08:31,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-17 13:08:31,871 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_process_cq [2021-11-17 13:08:31,871 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_process_cq [2021-11-17 13:08:31,872 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-17 13:08:31,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-17 13:08:31,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-17 13:08:31,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-11-17 13:08:31,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-11-17 13:08:31,872 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_eh_session_reset [2021-11-17 13:08:31,872 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_eh_session_reset [2021-11-17 13:08:31,872 INFO L130 BoogieDeclarations]: Found specification of procedure blk_iopoll_init [2021-11-17 13:08:31,873 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_iopoll_init [2021-11-17 13:08:31,873 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-17 13:08:31,873 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-17 13:08:31,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-17 13:08:31,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-17 13:08:31,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-17 13:08:31,873 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-17 13:08:31,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-17 13:08:31,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-17 13:08:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-17 13:08:31,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-17 13:08:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-17 13:08:31,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-17 13:08:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure wrb_from_mccq [2021-11-17 13:08:31,874 INFO L138 BoogieDeclarations]: Found implementation of procedure wrb_from_mccq [2021-11-17 13:08:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_1 [2021-11-17 13:08:31,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_1 [2021-11-17 13:08:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure be_sgl_destroy_contiguous [2021-11-17 13:08:31,875 INFO L138 BoogieDeclarations]: Found implementation of procedure be_sgl_destroy_contiguous [2021-11-17 13:08:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_2 [2021-11-17 13:08:31,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_2 [2021-11-17 13:08:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure amap_set [2021-11-17 13:08:31,875 INFO L138 BoogieDeclarations]: Found implementation of procedure amap_set [2021-11-17 13:08:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-17 13:08:31,876 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-17 13:08:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-17 13:08:31,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-17 13:08:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_get [2021-11-17 13:08:31,876 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_get [2021-11-17 13:08:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_is_host_device [2021-11-17 13:08:31,876 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_is_host_device [2021-11-17 13:08:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_free_ep [2021-11-17 13:08:31,877 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_free_ep [2021-11-17 13:08:31,877 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_compl_process [2021-11-17 13:08:31,877 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_compl_process [2021-11-17 13:08:31,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_142 [2021-11-17 13:08:31,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_142 [2021-11-17 13:08:31,877 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_mccq_compl [2021-11-17 13:08:31,877 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_mccq_compl [2021-11-17 13:08:31,878 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_unmap_pci_function [2021-11-17 13:08:31,878 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_unmap_pci_function [2021-11-17 13:08:31,878 INFO L130 BoogieDeclarations]: Found specification of procedure embedded_payload [2021-11-17 13:08:31,878 INFO L138 BoogieDeclarations]: Found implementation of procedure embedded_payload [2021-11-17 13:08:31,878 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_build_be_sgl_arr [2021-11-17 13:08:31,878 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_build_be_sgl_arr [2021-11-17 13:08:31,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_146 [2021-11-17 13:08:31,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_146 [2021-11-17 13:08:31,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_0 [2021-11-17 13:08:31,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_0 [2021-11-17 13:08:31,879 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_get_macaddr [2021-11-17 13:08:31,879 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_get_macaddr [2021-11-17 13:08:31,879 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-17 13:08:31,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-17 13:08:31,879 INFO L130 BoogieDeclarations]: Found specification of procedure be_sgl_create_contiguous [2021-11-17 13:08:31,879 INFO L138 BoogieDeclarations]: Found implementation of procedure be_sgl_create_contiguous [2021-11-17 13:08:31,879 INFO L130 BoogieDeclarations]: Found specification of procedure be_chk_reset_complete [2021-11-17 13:08:31,880 INFO L138 BoogieDeclarations]: Found implementation of procedure be_chk_reset_complete [2021-11-17 13:08:31,880 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-17 13:08:31,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-17 13:08:31,880 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_boot_destroy_kset [2021-11-17 13:08:31,880 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_boot_destroy_kset [2021-11-17 13:08:31,880 INFO L130 BoogieDeclarations]: Found specification of procedure free_mgmt_sgl_handle [2021-11-17 13:08:31,880 INFO L138 BoogieDeclarations]: Found implementation of procedure free_mgmt_sgl_handle [2021-11-17 13:08:31,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-17 13:08:31,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-17 13:08:31,881 INFO L130 BoogieDeclarations]: Found specification of procedure be_mbox_notify [2021-11-17 13:08:31,881 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mbox_notify [2021-11-17 13:08:31,881 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2021-11-17 13:08:31,881 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2021-11-17 13:08:31,881 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_alloc_cmd_data [2021-11-17 13:08:31,881 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_alloc_cmd_data [2021-11-17 13:08:31,881 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_bsg_request [2021-11-17 13:08:31,882 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_bsg_request [2021-11-17 13:08:31,882 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-17 13:08:31,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-17 13:08:31,882 INFO L130 BoogieDeclarations]: Found specification of procedure be_queue_alloc [2021-11-17 13:08:31,882 INFO L138 BoogieDeclarations]: Found implementation of procedure be_queue_alloc [2021-11-17 13:08:31,882 INFO L130 BoogieDeclarations]: Found specification of procedure shost_priv [2021-11-17 13:08:31,882 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_priv [2021-11-17 13:08:31,882 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-11-17 13:08:31,883 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-11-17 13:08:31,883 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_create_iface [2021-11-17 13:08:31,883 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_create_iface [2021-11-17 13:08:31,883 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_slave_configure [2021-11-17 13:08:31,883 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_slave_configure [2021-11-17 13:08:31,883 INFO L130 BoogieDeclarations]: Found specification of procedure queue_tail_node [2021-11-17 13:08:31,883 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_tail_node [2021-11-17 13:08:31,883 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-17 13:08:31,884 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-17 13:08:31,884 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-17 13:08:31,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-17 13:08:31,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-17 13:08:31,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 13:08:31,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 13:08:31,884 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_init_controller [2021-11-17 13:08:31,884 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_init_controller [2021-11-17 13:08:31,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-17 13:08:31,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-17 13:08:31,885 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-17 13:08:31,885 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-17 13:08:31,885 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_free_async_msg [2021-11-17 13:08:31,885 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_free_async_msg [2021-11-17 13:08:31,885 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_hdr_prepare [2021-11-17 13:08:31,885 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_hdr_prepare [2021-11-17 13:08:31,885 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_msix_enable [2021-11-17 13:08:31,886 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_msix_enable [2021-11-17 13:08:31,886 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bufflen [2021-11-17 13:08:31,886 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bufflen [2021-11-17 13:08:31,886 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-17 13:08:31,886 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-17 13:08:31,886 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_eh_abort [2021-11-17 13:08:31,886 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_eh_abort [2021-11-17 13:08:31,886 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2021-11-17 13:08:31,887 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2021-11-17 13:08:31,887 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-17 13:08:31,887 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-17 13:08:31,887 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_quiesce [2021-11-17 13:08:31,887 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_quiesce [2021-11-17 13:08:31,887 INFO L130 BoogieDeclarations]: Found specification of procedure blk_iopoll_enable [2021-11-17 13:08:31,887 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_iopoll_enable [2021-11-17 13:08:31,887 INFO L130 BoogieDeclarations]: Found specification of procedure blk_iopoll_disable [2021-11-17 13:08:31,888 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_iopoll_disable [2021-11-17 13:08:31,888 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_host_for_each_session [2021-11-17 13:08:31,888 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_host_for_each_session [2021-11-17 13:08:31,888 INFO L130 BoogieDeclarations]: Found specification of procedure blk_iopoll_sched_prep [2021-11-17 13:08:31,888 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_iopoll_sched_prep [2021-11-17 13:08:31,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 13:08:31,888 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_error [2021-11-17 13:08:31,888 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_error [2021-11-17 13:08:31,889 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-17 13:08:31,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-17 13:08:31,889 INFO L130 BoogieDeclarations]: Found specification of procedure be_fill_queue [2021-11-17 13:08:31,889 INFO L138 BoogieDeclarations]: Found implementation of procedure be_fill_queue [2021-11-17 13:08:31,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-17 13:08:31,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-17 13:08:31,889 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_get_params [2021-11-17 13:08:31,889 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_get_params [2021-11-17 13:08:31,889 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_notify [2021-11-17 13:08:31,890 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_notify [2021-11-17 13:08:31,890 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_async_link_state_process [2021-11-17 13:08:31,890 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_async_link_state_process [2021-11-17 13:08:31,890 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-17 13:08:31,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-17 13:08:31,890 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_setup_boot_info [2021-11-17 13:08:31,890 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_setup_boot_info [2021-11-17 13:08:31,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-17 13:08:31,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-17 13:08:31,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-17 13:08:31,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-17 13:08:31,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-17 13:08:31,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-17 13:08:31,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-17 13:08:31,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-17 13:08:31,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_mgmt_sgl_lock_of_beiscsi_hba [2021-11-17 13:08:31,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_mgmt_sgl_lock_of_beiscsi_hba [2021-11-17 13:08:31,892 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_write_buffer [2021-11-17 13:08:31,892 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_write_buffer [2021-11-17 13:08:31,892 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_unmap [2021-11-17 13:08:31,892 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dma_unmap [2021-11-17 13:08:31,892 INFO L130 BoogieDeclarations]: Found specification of procedure be2iscsi_fail_session [2021-11-17 13:08:31,892 INFO L138 BoogieDeclarations]: Found implementation of procedure be2iscsi_fail_session [2021-11-17 13:08:31,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_143 [2021-11-17 13:08:31,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_143 [2021-11-17 13:08:31,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_147 [2021-11-17 13:08:31,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_147 [2021-11-17 13:08:31,893 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_shutdown [2021-11-17 13:08:31,893 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_shutdown [2021-11-17 13:08:31,893 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-17 13:08:31,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-17 13:08:31,893 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_destroy_iface [2021-11-17 13:08:31,893 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_destroy_iface [2021-11-17 13:08:31,893 INFO L130 BoogieDeclarations]: Found specification of procedure free_wrb_handle [2021-11-17 13:08:31,894 INFO L138 BoogieDeclarations]: Found implementation of procedure free_wrb_handle [2021-11-17 13:08:31,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-17 13:08:31,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-17 13:08:31,894 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_cmd_q_destroy [2021-11-17 13:08:31,894 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_cmd_q_destroy [2021-11-17 13:08:31,894 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-17 13:08:31,894 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-17 13:08:31,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_122 [2021-11-17 13:08:31,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_122 [2021-11-17 13:08:31,895 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_post_async_buffers [2021-11-17 13:08:31,895 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_post_async_buffers [2021-11-17 13:08:31,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-17 13:08:31,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-17 13:08:31,899 INFO L130 BoogieDeclarations]: Found specification of procedure be_complete_nopin_resp [2021-11-17 13:08:31,899 INFO L138 BoogieDeclarations]: Found implementation of procedure be_complete_nopin_resp [2021-11-17 13:08:31,899 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-17 13:08:31,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-17 13:08:31,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-17 13:08:31,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-17 13:08:31,899 INFO L130 BoogieDeclarations]: Found specification of procedure __ilog2_u32 [2021-11-17 13:08:31,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __ilog2_u32 [2021-11-17 13:08:31,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-17 13:08:31,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-17 13:08:31,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-17 13:08:31,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-17 13:08:31,900 INFO L130 BoogieDeclarations]: Found specification of procedure wrb_from_mbox [2021-11-17 13:08:31,900 INFO L138 BoogieDeclarations]: Found implementation of procedure wrb_from_mbox [2021-11-17 13:08:31,900 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_create_default_pdu_queue [2021-11-17 13:08:31,901 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_create_default_pdu_queue [2021-11-17 13:08:31,901 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-17 13:08:31,901 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-17 13:08:31,901 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_process_default_pdu_ring [2021-11-17 13:08:31,901 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_process_default_pdu_ring [2021-11-17 13:08:31,901 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-17 13:08:31,901 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-17 13:08:31,901 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-17 13:08:31,901 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-17 13:08:31,902 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_ep_disconnect [2021-11-17 13:08:31,902 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_ep_disconnect [2021-11-17 13:08:31,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 13:08:31,902 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_free_mgmt_task_handles [2021-11-17 13:08:31,902 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_free_mgmt_task_handles [2021-11-17 13:08:33,910 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 13:08:33,914 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 13:08:33,983 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 13:09:00,783 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 13:09:00,821 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 13:09:00,821 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-17 13:09:00,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 01:09:00 BoogieIcfgContainer [2021-11-17 13:09:00,832 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 13:09:00,834 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 13:09:00,834 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 13:09:00,838 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 13:09:00,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 01:08:16" (1/3) ... [2021-11-17 13:09:00,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1377b01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 01:09:00, skipping insertion in model container [2021-11-17 13:09:00,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:08:29" (2/3) ... [2021-11-17 13:09:00,840 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1377b01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 01:09:00, skipping insertion in model container [2021-11-17 13:09:00,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 01:09:00" (3/3) ... [2021-11-17 13:09:00,841 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i [2021-11-17 13:09:00,847 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 13:09:00,847 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2021-11-17 13:09:00,915 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 13:09:00,923 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-17 13:09:00,925 INFO L340 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2021-11-17 13:09:01,060 INFO L276 IsEmpty]: Start isEmpty. Operand has 6400 states, 4381 states have (on average 1.3547135357224378) internal successors, (5935), 4509 states have internal predecessors, (5935), 1724 states have call successors, (1724), 268 states have call predecessors, (1724), 267 states have return successors, (1718), 1693 states have call predecessors, (1718), 1718 states have call successors, (1718) [2021-11-17 13:09:01,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-17 13:09:01,068 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:09:01,068 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2021-11-17 13:09:01,069 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-17 13:09:01,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:09:01,073 INFO L85 PathProgramCache]: Analyzing trace with hash -1512893199, now seen corresponding path program 1 times [2021-11-17 13:09:01,081 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:09:01,081 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495594703] [2021-11-17 13:09:01,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:09:01,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:09:01,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:02,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:09:02,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:02,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-17 13:09:02,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:02,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:09:02,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:02,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-17 13:09:02,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:02,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-17 13:09:02,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:02,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-17 13:09:02,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:02,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:09:02,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:02,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-17 13:09:02,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:02,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-17 13:09:02,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:09:02,393 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-17 13:09:02,394 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:09:02,394 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495594703] [2021-11-17 13:09:02,394 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495594703] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:09:02,395 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:09:02,395 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 13:09:02,400 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322171952] [2021-11-17 13:09:02,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:09:02,405 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 13:09:02,405 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:09:02,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 13:09:02,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-17 13:09:02,449 INFO L87 Difference]: Start difference. First operand has 6400 states, 4381 states have (on average 1.3547135357224378) internal successors, (5935), 4509 states have internal predecessors, (5935), 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 7 states, 7 states have (on average 5.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-17 13:09:04,619 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:09:06,689 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:09:08,743 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:09:12,256 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:09:17,905 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:09:19,945 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:09:21,980 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:09:28,434 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:09:30,460 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:09:56,379 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:10:03,501 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:10:05,587 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:10:15,130 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 13:10:19,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:10:19,603 INFO L93 Difference]: Finished difference Result 20436 states and 31071 transitions. [2021-11-17 13:10:19,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-17 13:10:19,605 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (10), 5 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 62 [2021-11-17 13:10:19,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:10:19,711 INFO L225 Difference]: With dead ends: 20436 [2021-11-17 13:10:19,712 INFO L226 Difference]: Without dead ends: 14034 [2021-11-17 13:10:19,765 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2021-11-17 13:10:19,768 INFO L933 BasicCegarLoop]: 11493 mSDtfsCounter, 25008 mSDsluCounter, 16904 mSDsCounter, 0 mSdLazyCounter, 25047 mSolverCounterSat, 19104 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 68.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25503 SdHoareTripleChecker+Valid, 28397 SdHoareTripleChecker+Invalid, 44163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 19104 IncrementalHoareTripleChecker+Valid, 25047 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 74.7s IncrementalHoareTripleChecker+Time [2021-11-17 13:10:19,769 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [25503 Valid, 28397 Invalid, 44163 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [19104 Valid, 25047 Invalid, 12 Unknown, 0 Unchecked, 74.7s Time] [2021-11-17 13:10:19,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14034 states. [2021-11-17 13:10:20,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14034 to 12532. [2021-11-17 13:10:20,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12532 states, 8607 states have (on average 1.3483211339607297) internal successors, (11605), 8828 states have internal predecessors, (11605), 3382 states have call successors, (3382), 514 states have call predecessors, (3382), 515 states have return successors, (3392), 3326 states have call predecessors, (3392), 3378 states have call successors, (3392) [2021-11-17 13:10:20,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12532 states to 12532 states and 18379 transitions. [2021-11-17 13:10:20,621 INFO L78 Accepts]: Start accepts. Automaton has 12532 states and 18379 transitions. Word has length 62 [2021-11-17 13:10:20,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:10:20,622 INFO L470 AbstractCegarLoop]: Abstraction has 12532 states and 18379 transitions. [2021-11-17 13:10:20,623 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-17 13:10:20,623 INFO L276 IsEmpty]: Start isEmpty. Operand 12532 states and 18379 transitions. [2021-11-17 13:10:20,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-17 13:10:20,633 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:10:20,633 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2021-11-17 13:10:20,633 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-17 13:10:20,635 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-17 13:10:20,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:10:20,637 INFO L85 PathProgramCache]: Analyzing trace with hash 180805846, now seen corresponding path program 1 times [2021-11-17 13:10:20,637 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:10:20,637 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972071567] [2021-11-17 13:10:20,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:10:20,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:10:20,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:10:21,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:10:21,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:10:21,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-17 13:10:21,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:10:21,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:10:21,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:10:21,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-17 13:10:21,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:10:21,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-17 13:10:21,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:10:21,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-17 13:10:21,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:10:21,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:10:21,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:10:21,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-17 13:10:21,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:10:21,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-17 13:10:21,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:10:21,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 13:10:21,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:10:21,373 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-17 13:10:21,373 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:10:21,373 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972071567] [2021-11-17 13:10:21,374 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972071567] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:10:21,374 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:10:21,374 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 13:10:21,374 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287275911] [2021-11-17 13:10:21,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:10:21,376 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 13:10:21,376 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:10:21,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 13:10:21,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-17 13:10:21,377 INFO L87 Difference]: Start difference. First operand 12532 states and 18379 transitions. Second operand has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-17 13:10:23,519 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:10:25,583 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:10:27,639 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:10:35,266 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:10:37,283 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:10:59,711 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 13:11:01,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:11:01,133 INFO L93 Difference]: Finished difference Result 13842 states and 20571 transitions. [2021-11-17 13:11:01,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-17 13:11:01,133 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (11), 5 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 68 [2021-11-17 13:11:01,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:11:01,213 INFO L225 Difference]: With dead ends: 13842 [2021-11-17 13:11:01,213 INFO L226 Difference]: Without dead ends: 13840 [2021-11-17 13:11:01,222 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-11-17 13:11:01,223 INFO L933 BasicCegarLoop]: 8110 mSDtfsCounter, 18403 mSDsluCounter, 9700 mSDsCounter, 0 mSdLazyCounter, 11525 mSolverCounterSat, 12027 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18910 SdHoareTripleChecker+Valid, 17810 SdHoareTripleChecker+Invalid, 23558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 12027 IncrementalHoareTripleChecker+Valid, 11525 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.4s IncrementalHoareTripleChecker+Time [2021-11-17 13:11:01,224 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18910 Valid, 17810 Invalid, 23558 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [12027 Valid, 11525 Invalid, 6 Unknown, 0 Unchecked, 38.4s Time] [2021-11-17 13:11:01,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13840 states. [2021-11-17 13:11:01,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13840 to 12530. [2021-11-17 13:11:01,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12530 states, 8606 states have (on average 1.348245410178945) internal successors, (11603), 8826 states have internal predecessors, (11603), 3382 states have call successors, (3382), 514 states have call predecessors, (3382), 515 states have return successors, (3392), 3326 states have call predecessors, (3392), 3378 states have call successors, (3392) [2021-11-17 13:11:01,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12530 states to 12530 states and 18377 transitions. [2021-11-17 13:11:01,846 INFO L78 Accepts]: Start accepts. Automaton has 12530 states and 18377 transitions. Word has length 68 [2021-11-17 13:11:01,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:11:01,848 INFO L470 AbstractCegarLoop]: Abstraction has 12530 states and 18377 transitions. [2021-11-17 13:11:01,848 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-17 13:11:01,848 INFO L276 IsEmpty]: Start isEmpty. Operand 12530 states and 18377 transitions. [2021-11-17 13:11:01,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-17 13:11:01,851 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:11:01,852 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2021-11-17 13:11:01,852 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 13:11:01,852 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-17 13:11:01,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:11:01,853 INFO L85 PathProgramCache]: Analyzing trace with hash 863234768, now seen corresponding path program 1 times [2021-11-17 13:11:01,853 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:11:01,853 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515528339] [2021-11-17 13:11:01,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:11:01,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:11:02,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:02,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:11:02,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:02,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-17 13:11:02,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:02,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:11:02,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:02,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-17 13:11:02,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:02,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-17 13:11:02,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:02,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-17 13:11:02,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:02,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:11:02,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:02,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-17 13:11:02,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:02,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-17 13:11:02,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:02,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 13:11:02,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:02,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-17 13:11:02,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:02,478 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-17 13:11:02,478 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:11:02,478 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515528339] [2021-11-17 13:11:02,479 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515528339] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:11:02,479 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:11:02,479 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 13:11:02,479 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842042769] [2021-11-17 13:11:02,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:11:02,480 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 13:11:02,480 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:11:02,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 13:11:02,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-17 13:11:02,481 INFO L87 Difference]: Start difference. First operand 12530 states and 18377 transitions. Second operand has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-17 13:11:04,595 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:11:06,658 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:11:08,720 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:11:14,983 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:11:17,029 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:11:39,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:11:39,033 INFO L93 Difference]: Finished difference Result 13840 states and 20569 transitions. [2021-11-17 13:11:39,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-17 13:11:39,034 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (12), 5 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 74 [2021-11-17 13:11:39,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:11:39,094 INFO L225 Difference]: With dead ends: 13840 [2021-11-17 13:11:39,094 INFO L226 Difference]: Without dead ends: 13838 [2021-11-17 13:11:39,105 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-11-17 13:11:39,106 INFO L933 BasicCegarLoop]: 8187 mSDtfsCounter, 18188 mSDsluCounter, 9714 mSDsCounter, 0 mSdLazyCounter, 11593 mSolverCounterSat, 12009 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18690 SdHoareTripleChecker+Valid, 17901 SdHoareTripleChecker+Invalid, 23607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 12009 IncrementalHoareTripleChecker+Valid, 11593 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.5s IncrementalHoareTripleChecker+Time [2021-11-17 13:11:39,107 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18690 Valid, 17901 Invalid, 23607 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [12009 Valid, 11593 Invalid, 5 Unknown, 0 Unchecked, 35.5s Time] [2021-11-17 13:11:39,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13838 states. [2021-11-17 13:11:39,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13838 to 12528. [2021-11-17 13:11:39,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12528 states, 8605 states have (on average 1.348169668797211) internal successors, (11601), 8824 states have internal predecessors, (11601), 3382 states have call successors, (3382), 514 states have call predecessors, (3382), 515 states have return successors, (3392), 3326 states have call predecessors, (3392), 3378 states have call successors, (3392) [2021-11-17 13:11:39,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12528 states to 12528 states and 18375 transitions. [2021-11-17 13:11:39,679 INFO L78 Accepts]: Start accepts. Automaton has 12528 states and 18375 transitions. Word has length 74 [2021-11-17 13:11:39,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:11:39,680 INFO L470 AbstractCegarLoop]: Abstraction has 12528 states and 18375 transitions. [2021-11-17 13:11:39,680 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-17 13:11:39,680 INFO L276 IsEmpty]: Start isEmpty. Operand 12528 states and 18375 transitions. [2021-11-17 13:11:39,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-17 13:11:39,681 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:11:39,681 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2021-11-17 13:11:39,682 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-17 13:11:39,682 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-17 13:11:39,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:11:39,682 INFO L85 PathProgramCache]: Analyzing trace with hash -1074811650, now seen corresponding path program 1 times [2021-11-17 13:11:39,682 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:11:39,682 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893501762] [2021-11-17 13:11:39,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:11:39,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:11:39,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:40,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:11:40,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:40,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-17 13:11:40,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:40,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:11:40,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:40,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-17 13:11:40,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:40,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-17 13:11:40,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:40,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-17 13:11:40,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:40,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:11:40,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:40,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-17 13:11:40,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:40,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-17 13:11:40,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:40,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 13:11:40,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:40,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-17 13:11:40,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:40,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-17 13:11:40,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:11:40,337 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-17 13:11:40,337 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:11:40,338 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893501762] [2021-11-17 13:11:40,338 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893501762] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:11:40,338 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:11:40,338 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 13:11:40,338 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619136760] [2021-11-17 13:11:40,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:11:40,340 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 13:11:40,340 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:11:40,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 13:11:40,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-17 13:11:40,341 INFO L87 Difference]: Start difference. First operand 12528 states and 18375 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-17 13:11:42,488 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:11:44,544 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:11:46,614 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:11:52,922 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:11:54,972 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:12:15,273 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:12:17,384 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:12:22,412 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-17 13:12:24,572 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 13:12:26,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:12:26,100 INFO L93 Difference]: Finished difference Result 13838 states and 20567 transitions. [2021-11-17 13:12:26,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-17 13:12:26,100 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (13), 5 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 80 [2021-11-17 13:12:26,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:12:26,157 INFO L225 Difference]: With dead ends: 13838 [2021-11-17 13:12:26,158 INFO L226 Difference]: Without dead ends: 13836 [2021-11-17 13:12:26,169 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-11-17 13:12:26,170 INFO L933 BasicCegarLoop]: 8104 mSDtfsCounter, 18420 mSDsluCounter, 9714 mSDsCounter, 0 mSdLazyCounter, 11508 mSolverCounterSat, 12020 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18920 SdHoareTripleChecker+Valid, 17818 SdHoareTripleChecker+Invalid, 23537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 12020 IncrementalHoareTripleChecker+Valid, 11508 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.6s IncrementalHoareTripleChecker+Time [2021-11-17 13:12:26,170 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18920 Valid, 17818 Invalid, 23537 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [12020 Valid, 11508 Invalid, 9 Unknown, 0 Unchecked, 44.6s Time] [2021-11-17 13:12:26,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13836 states. [2021-11-17 13:12:26,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13836 to 12526. [2021-11-17 13:12:26,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12526 states, 8604 states have (on average 1.348093909809391) internal successors, (11599), 8822 states have internal predecessors, (11599), 3382 states have call successors, (3382), 514 states have call predecessors, (3382), 515 states have return successors, (3392), 3326 states have call predecessors, (3392), 3378 states have call successors, (3392) [2021-11-17 13:12:26,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12526 states to 12526 states and 18373 transitions. [2021-11-17 13:12:26,743 INFO L78 Accepts]: Start accepts. Automaton has 12526 states and 18373 transitions. Word has length 80 [2021-11-17 13:12:26,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:12:26,744 INFO L470 AbstractCegarLoop]: Abstraction has 12526 states and 18373 transitions. [2021-11-17 13:12:26,744 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-17 13:12:26,744 INFO L276 IsEmpty]: Start isEmpty. Operand 12526 states and 18373 transitions. [2021-11-17 13:12:26,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-17 13:12:26,745 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:12:26,745 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2021-11-17 13:12:26,746 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-17 13:12:26,747 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-17 13:12:26,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:12:26,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1907803856, now seen corresponding path program 1 times [2021-11-17 13:12:26,747 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:12:26,748 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20687154] [2021-11-17 13:12:26,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:12:26,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:12:26,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:27,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:12:27,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:27,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-17 13:12:27,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:27,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:12:27,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:27,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-17 13:12:27,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:27,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-17 13:12:27,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:27,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-17 13:12:27,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:27,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:12:27,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:27,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-17 13:12:27,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:27,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-17 13:12:27,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:27,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 13:12:27,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:27,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-17 13:12:27,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:27,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-17 13:12:27,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:27,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-11-17 13:12:27,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:12:27,388 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-17 13:12:27,388 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:12:27,388 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20687154] [2021-11-17 13:12:27,388 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20687154] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:12:27,389 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:12:27,389 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 13:12:27,389 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424175329] [2021-11-17 13:12:27,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:12:27,389 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 13:12:27,390 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:12:27,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 13:12:27,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-17 13:12:27,390 INFO L87 Difference]: Start difference. First operand 12526 states and 18373 transitions. Second operand has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-17 13:12:29,530 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:12:31,592 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:12:33,649 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:12:39,756 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:12:41,808 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:13:03,285 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-17 13:13:05,443 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 13:13:07,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:13:07,166 INFO L93 Difference]: Finished difference Result 13836 states and 20565 transitions. [2021-11-17 13:13:07,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-17 13:13:07,166 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (14), 5 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 86 [2021-11-17 13:13:07,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:13:07,233 INFO L225 Difference]: With dead ends: 13836 [2021-11-17 13:13:07,233 INFO L226 Difference]: Without dead ends: 13834 [2021-11-17 13:13:07,247 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-11-17 13:13:07,248 INFO L933 BasicCegarLoop]: 8207 mSDtfsCounter, 18106 mSDsluCounter, 9715 mSDsCounter, 0 mSdLazyCounter, 11632 mSolverCounterSat, 11970 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18607 SdHoareTripleChecker+Valid, 17922 SdHoareTripleChecker+Invalid, 23609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11970 IncrementalHoareTripleChecker+Valid, 11632 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.7s IncrementalHoareTripleChecker+Time [2021-11-17 13:13:07,248 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18607 Valid, 17922 Invalid, 23609 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11970 Valid, 11632 Invalid, 7 Unknown, 0 Unchecked, 38.7s Time] [2021-11-17 13:13:07,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13834 states. [2021-11-17 13:13:07,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13834 to 12524. [2021-11-17 13:13:07,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12524 states, 8603 states have (on average 1.3480181332093455) internal successors, (11597), 8820 states have internal predecessors, (11597), 3382 states have call successors, (3382), 514 states have call predecessors, (3382), 515 states have return successors, (3392), 3326 states have call predecessors, (3392), 3378 states have call successors, (3392) [2021-11-17 13:13:07,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12524 states to 12524 states and 18371 transitions. [2021-11-17 13:13:07,855 INFO L78 Accepts]: Start accepts. Automaton has 12524 states and 18371 transitions. Word has length 86 [2021-11-17 13:13:07,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:13:07,856 INFO L470 AbstractCegarLoop]: Abstraction has 12524 states and 18371 transitions. [2021-11-17 13:13:07,856 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-17 13:13:07,856 INFO L276 IsEmpty]: Start isEmpty. Operand 12524 states and 18371 transitions. [2021-11-17 13:13:07,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-17 13:13:07,862 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:13:07,862 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2021-11-17 13:13:07,862 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-17 13:13:07,863 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-17 13:13:07,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:13:07,863 INFO L85 PathProgramCache]: Analyzing trace with hash -1567884470, now seen corresponding path program 1 times [2021-11-17 13:13:07,863 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:13:07,863 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422146762] [2021-11-17 13:13:07,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:13:07,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:13:08,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:08,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:13:08,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:08,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-17 13:13:08,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:08,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:13:08,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:08,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-17 13:13:08,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:08,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-17 13:13:08,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:08,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-17 13:13:08,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:08,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:13:08,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:08,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-17 13:13:08,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:08,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-17 13:13:08,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:08,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 13:13:08,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:08,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-17 13:13:08,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:08,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-17 13:13:08,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:08,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-11-17 13:13:08,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:08,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 13:13:08,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:08,529 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-17 13:13:08,529 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:13:08,530 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422146762] [2021-11-17 13:13:08,530 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422146762] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:13:08,530 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:13:08,530 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 13:13:08,530 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077154282] [2021-11-17 13:13:08,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:13:08,531 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 13:13:08,531 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:13:08,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 13:13:08,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-17 13:13:08,532 INFO L87 Difference]: Start difference. First operand 12524 states and 18371 transitions. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-17 13:13:10,682 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:13:12,735 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:13:14,802 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:13:20,639 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:13:22,707 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:13:45,442 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-17 13:13:47,602 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 13:13:49,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:13:49,508 INFO L93 Difference]: Finished difference Result 13834 states and 20563 transitions. [2021-11-17 13:13:49,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-17 13:13:49,509 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (15), 5 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 92 [2021-11-17 13:13:49,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:13:49,577 INFO L225 Difference]: With dead ends: 13834 [2021-11-17 13:13:49,577 INFO L226 Difference]: Without dead ends: 13832 [2021-11-17 13:13:49,591 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-11-17 13:13:49,592 INFO L933 BasicCegarLoop]: 8110 mSDtfsCounter, 18353 mSDsluCounter, 9703 mSDsCounter, 0 mSdLazyCounter, 11526 mSolverCounterSat, 12020 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18855 SdHoareTripleChecker+Valid, 17813 SdHoareTripleChecker+Invalid, 23553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 12020 IncrementalHoareTripleChecker+Valid, 11526 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.8s IncrementalHoareTripleChecker+Time [2021-11-17 13:13:49,593 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18855 Valid, 17813 Invalid, 23553 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [12020 Valid, 11526 Invalid, 7 Unknown, 0 Unchecked, 39.8s Time] [2021-11-17 13:13:49,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13832 states. [2021-11-17 13:13:50,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13832 to 12522. [2021-11-17 13:13:50,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12522 states, 8602 states have (on average 1.3479423389909324) internal successors, (11595), 8818 states have internal predecessors, (11595), 3382 states have call successors, (3382), 514 states have call predecessors, (3382), 515 states have return successors, (3392), 3326 states have call predecessors, (3392), 3378 states have call successors, (3392) [2021-11-17 13:13:50,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12522 states to 12522 states and 18369 transitions. [2021-11-17 13:13:50,298 INFO L78 Accepts]: Start accepts. Automaton has 12522 states and 18369 transitions. Word has length 92 [2021-11-17 13:13:50,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:13:50,300 INFO L470 AbstractCegarLoop]: Abstraction has 12522 states and 18369 transitions. [2021-11-17 13:13:50,300 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-17 13:13:50,300 INFO L276 IsEmpty]: Start isEmpty. Operand 12522 states and 18369 transitions. [2021-11-17 13:13:50,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-17 13:13:50,302 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:13:50,302 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 2, 2, 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] [2021-11-17 13:13:50,303 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-17 13:13:50,303 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_net_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-17 13:13:50,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:13:50,303 INFO L85 PathProgramCache]: Analyzing trace with hash -7583731, now seen corresponding path program 1 times [2021-11-17 13:13:50,303 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:13:50,304 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555106033] [2021-11-17 13:13:50,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:13:50,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:13:50,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:50,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:13:50,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:50,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-17 13:13:50,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:50,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:13:50,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:50,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-17 13:13:50,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:50,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-17 13:13:50,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:50,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-17 13:13:50,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:50,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:13:50,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:50,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-17 13:13:50,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:50,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-17 13:13:50,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:50,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-11-17 13:13:50,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:50,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-17 13:13:50,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:50,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:13:50,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:50,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:13:50,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:50,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:13:50,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:50,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 13:13:50,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:50,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 13:13:50,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:50,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-17 13:13:50,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:50,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 13:13:50,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:13:50,903 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2021-11-17 13:13:50,903 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:13:50,903 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555106033] [2021-11-17 13:13:50,903 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555106033] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:13:50,904 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:13:50,904 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 13:13:50,904 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812909729] [2021-11-17 13:13:50,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:13:50,904 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 13:13:50,905 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:13:50,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 13:13:50,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 13:13:50,905 INFO L87 Difference]: Start difference. First operand 12522 states and 18369 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (19), 5 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-17 13:13:53,030 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:13:55,094 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:13:57,170 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:14:01,943 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:14:13,922 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:14:21,168 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 13:14:22,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:14:22,834 INFO L93 Difference]: Finished difference Result 26323 states and 38890 transitions. [2021-11-17 13:14:22,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 13:14:22,835 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (19), 5 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 109 [2021-11-17 13:14:22,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:14:22,902 INFO L225 Difference]: With dead ends: 26323 [2021-11-17 13:14:22,902 INFO L226 Difference]: Without dead ends: 13826 [2021-11-17 13:14:22,963 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-17 13:14:22,964 INFO L933 BasicCegarLoop]: 7585 mSDtfsCounter, 18449 mSDsluCounter, 5490 mSDsCounter, 0 mSdLazyCounter, 6684 mSolverCounterSat, 12036 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18954 SdHoareTripleChecker+Valid, 13075 SdHoareTripleChecker+Invalid, 18726 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12036 IncrementalHoareTripleChecker+Valid, 6684 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.7s IncrementalHoareTripleChecker+Time [2021-11-17 13:14:22,964 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18954 Valid, 13075 Invalid, 18726 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12036 Valid, 6684 Invalid, 6 Unknown, 0 Unchecked, 30.7s Time] [2021-11-17 13:14:22,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13826 states. [2021-11-17 13:14:23,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13826 to 12516. [2021-11-17 13:14:23,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12516 states, 8597 states have (on average 1.347679423054554) internal successors, (11586), 8812 states have internal predecessors, (11586), 3382 states have call successors, (3382), 514 states have call predecessors, (3382), 515 states have return successors, (3392), 3326 states have call predecessors, (3392), 3378 states have call successors, (3392) [2021-11-17 13:14:23,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12516 states to 12516 states and 18360 transitions. [2021-11-17 13:14:23,760 INFO L78 Accepts]: Start accepts. Automaton has 12516 states and 18360 transitions. Word has length 109 [2021-11-17 13:14:23,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:14:23,761 INFO L470 AbstractCegarLoop]: Abstraction has 12516 states and 18360 transitions. [2021-11-17 13:14:23,761 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (19), 5 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-17 13:14:23,761 INFO L276 IsEmpty]: Start isEmpty. Operand 12516 states and 18360 transitions. [2021-11-17 13:14:23,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-17 13:14:23,764 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:14:23,765 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2021-11-17 13:14:23,765 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-17 13:14:23,766 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-17 13:14:23,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:14:23,766 INFO L85 PathProgramCache]: Analyzing trace with hash -977457422, now seen corresponding path program 1 times [2021-11-17 13:14:23,766 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:14:23,766 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875554607] [2021-11-17 13:14:23,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:14:23,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:14:23,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:24,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:14:24,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:24,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-17 13:14:24,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:24,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:14:24,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:24,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-17 13:14:24,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:24,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-17 13:14:24,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:24,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-17 13:14:24,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:24,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:14:24,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:24,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-17 13:14:24,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:24,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-17 13:14:24,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:24,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 13:14:24,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:24,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-17 13:14:24,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:24,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-17 13:14:24,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:24,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-11-17 13:14:24,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:24,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 13:14:24,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:24,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-17 13:14:24,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:24,412 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-17 13:14:24,412 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:14:24,413 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875554607] [2021-11-17 13:14:24,413 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875554607] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:14:24,413 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:14:24,413 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 13:14:24,413 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160693450] [2021-11-17 13:14:24,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:14:24,414 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 13:14:24,414 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:14:24,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 13:14:24,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-17 13:14:24,415 INFO L87 Difference]: Start difference. First operand 12516 states and 18360 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-17 13:14:26,568 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:14:28,633 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:14:30,693 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:14:36,863 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:14:38,922 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:14:59,391 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:15:01,507 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:15:07,634 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-17 13:15:09,808 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 13:15:12,036 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:15:14,565 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:15:15,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:15:15,856 INFO L93 Difference]: Finished difference Result 13826 states and 20552 transitions. [2021-11-17 13:15:15,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-17 13:15:15,856 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (16), 5 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 98 [2021-11-17 13:15:15,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:15:15,903 INFO L225 Difference]: With dead ends: 13826 [2021-11-17 13:15:15,903 INFO L226 Difference]: Without dead ends: 13824 [2021-11-17 13:15:15,911 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-11-17 13:15:15,912 INFO L933 BasicCegarLoop]: 8112 mSDtfsCounter, 18298 mSDsluCounter, 9703 mSDsCounter, 0 mSdLazyCounter, 11535 mSolverCounterSat, 12016 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18798 SdHoareTripleChecker+Valid, 17815 SdHoareTripleChecker+Invalid, 23562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 12016 IncrementalHoareTripleChecker+Valid, 11535 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.2s IncrementalHoareTripleChecker+Time [2021-11-17 13:15:15,912 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18798 Valid, 17815 Invalid, 23562 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [12016 Valid, 11535 Invalid, 11 Unknown, 0 Unchecked, 50.2s Time] [2021-11-17 13:15:15,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13824 states. [2021-11-17 13:15:16,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13824 to 12514. [2021-11-17 13:15:16,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12514 states, 8596 states have (on average 1.3476035365286179) internal successors, (11584), 8810 states have internal predecessors, (11584), 3382 states have call successors, (3382), 514 states have call predecessors, (3382), 515 states have return successors, (3392), 3326 states have call predecessors, (3392), 3378 states have call successors, (3392) [2021-11-17 13:15:16,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12514 states to 12514 states and 18358 transitions. [2021-11-17 13:15:16,491 INFO L78 Accepts]: Start accepts. Automaton has 12514 states and 18358 transitions. Word has length 98 [2021-11-17 13:15:16,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:15:16,491 INFO L470 AbstractCegarLoop]: Abstraction has 12514 states and 18358 transitions. [2021-11-17 13:15:16,492 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-17 13:15:16,492 INFO L276 IsEmpty]: Start isEmpty. Operand 12514 states and 18358 transitions. [2021-11-17 13:15:16,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-17 13:15:16,493 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:15:16,494 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2021-11-17 13:15:16,494 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-17 13:15:16,494 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-17 13:15:16,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:15:16,494 INFO L85 PathProgramCache]: Analyzing trace with hash 1632917495, now seen corresponding path program 1 times [2021-11-17 13:15:16,495 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:15:16,495 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512366505] [2021-11-17 13:15:16,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:15:16,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:15:16,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:15:16,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:15:16,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:15:16,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-17 13:15:16,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:15:16,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:15:16,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:15:16,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-17 13:15:16,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:15:16,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-17 13:15:16,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:15:16,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-17 13:15:16,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:15:16,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:15:16,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:15:16,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-17 13:15:16,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:15:17,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-17 13:15:17,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:15:17,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 13:15:17,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:15:17,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-17 13:15:17,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:15:17,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-17 13:15:17,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:15:17,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-11-17 13:15:17,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:15:17,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 13:15:17,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:15:17,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-17 13:15:17,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:15:17,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-17 13:15:17,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:15:17,125 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-17 13:15:17,126 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:15:17,126 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512366505] [2021-11-17 13:15:17,126 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512366505] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:15:17,126 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:15:17,126 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 13:15:17,127 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236340276] [2021-11-17 13:15:17,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:15:17,128 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 13:15:17,128 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:15:17,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 13:15:17,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-17 13:15:17,129 INFO L87 Difference]: Start difference. First operand 12514 states and 18358 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-17 13:15:19,262 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:15:21,327 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:15:23,393 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:15:29,249 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:15:31,311 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:15:54,487 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-17 13:15:56,739 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:15:59,277 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:16:00,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:16:00,731 INFO L93 Difference]: Finished difference Result 13824 states and 20550 transitions. [2021-11-17 13:16:00,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-17 13:16:00,732 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (17), 5 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 104 [2021-11-17 13:16:00,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:16:00,792 INFO L225 Difference]: With dead ends: 13824 [2021-11-17 13:16:00,792 INFO L226 Difference]: Without dead ends: 13822 [2021-11-17 13:16:00,802 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-11-17 13:16:00,802 INFO L933 BasicCegarLoop]: 8064 mSDtfsCounter, 18435 mSDsluCounter, 9703 mSDsCounter, 0 mSdLazyCounter, 11474 mSolverCounterSat, 12020 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18935 SdHoareTripleChecker+Valid, 17767 SdHoareTripleChecker+Invalid, 23502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 12020 IncrementalHoareTripleChecker+Valid, 11474 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.3s IncrementalHoareTripleChecker+Time [2021-11-17 13:16:00,803 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18935 Valid, 17767 Invalid, 23502 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [12020 Valid, 11474 Invalid, 8 Unknown, 0 Unchecked, 42.3s Time] [2021-11-17 13:16:00,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13822 states. [2021-11-17 13:16:01,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13822 to 12512. [2021-11-17 13:16:01,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12512 states, 8595 states have (on average 1.3475276323443863) internal successors, (11582), 8808 states have internal predecessors, (11582), 3382 states have call successors, (3382), 514 states have call predecessors, (3382), 515 states have return successors, (3392), 3326 states have call predecessors, (3392), 3378 states have call successors, (3392) [2021-11-17 13:16:01,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12512 states to 12512 states and 18356 transitions. [2021-11-17 13:16:01,554 INFO L78 Accepts]: Start accepts. Automaton has 12512 states and 18356 transitions. Word has length 104 [2021-11-17 13:16:01,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:16:01,554 INFO L470 AbstractCegarLoop]: Abstraction has 12512 states and 18356 transitions. [2021-11-17 13:16:01,554 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-17 13:16:01,554 INFO L276 IsEmpty]: Start isEmpty. Operand 12512 states and 18356 transitions. [2021-11-17 13:16:01,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-17 13:16:01,556 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:16:01,556 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 3, 3, 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] [2021-11-17 13:16:01,556 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-17 13:16:01,557 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_usb_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-17 13:16:01,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:16:01,559 INFO L85 PathProgramCache]: Analyzing trace with hash 2140868478, now seen corresponding path program 1 times [2021-11-17 13:16:01,559 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:16:01,559 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898804239] [2021-11-17 13:16:01,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:16:01,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:16:01,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:01,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:16:01,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:01,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-17 13:16:01,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:01,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:16:01,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:02,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-17 13:16:02,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:02,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-17 13:16:02,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:02,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-17 13:16:02,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:02,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:16:02,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:02,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-17 13:16:02,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:02,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-17 13:16:02,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:02,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-11-17 13:16:02,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:02,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-17 13:16:02,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:02,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:16:02,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:02,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:16:02,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:02,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:16:02,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:02,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 13:16:02,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:02,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 13:16:02,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:02,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-17 13:16:02,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:02,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 13:16:02,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:02,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-17 13:16:02,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:02,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:16:02,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:02,256 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-11-17 13:16:02,256 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:16:02,256 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898804239] [2021-11-17 13:16:02,257 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898804239] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 13:16:02,257 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1329398440] [2021-11-17 13:16:02,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:16:02,257 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 13:16:02,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 13:16:02,267 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 13:16:02,296 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-17 13:16:04,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:04,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 8581 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-17 13:16:04,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 13:16:04,793 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2021-11-17 13:16:04,793 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 13:16:04,793 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1329398440] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:16:04,793 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 13:16:04,793 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2021-11-17 13:16:04,793 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612812097] [2021-11-17 13:16:04,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:16:04,794 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 13:16:04,794 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:16:04,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 13:16:04,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-11-17 13:16:04,796 INFO L87 Difference]: Start difference. First operand 12512 states and 18356 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-17 13:16:05,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:16:05,333 INFO L93 Difference]: Finished difference Result 24993 states and 36672 transitions. [2021-11-17 13:16:05,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 13:16:05,334 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 118 [2021-11-17 13:16:05,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:16:05,393 INFO L225 Difference]: With dead ends: 24993 [2021-11-17 13:16:05,394 INFO L226 Difference]: Without dead ends: 12506 [2021-11-17 13:16:05,452 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-11-17 13:16:05,453 INFO L933 BasicCegarLoop]: 9281 mSDtfsCounter, 9261 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9261 SdHoareTripleChecker+Valid, 9281 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-17 13:16:05,454 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9261 Valid, 9281 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-17 13:16:05,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12506 states. [2021-11-17 13:16:06,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12506 to 12506. [2021-11-17 13:16:06,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12506 states, 8590 states have (on average 1.3472642607683352) internal successors, (11573), 8802 states have internal predecessors, (11573), 3382 states have call successors, (3382), 514 states have call predecessors, (3382), 515 states have return successors, (3392), 3326 states have call predecessors, (3392), 3378 states have call successors, (3392) [2021-11-17 13:16:06,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12506 states to 12506 states and 18347 transitions. [2021-11-17 13:16:06,171 INFO L78 Accepts]: Start accepts. Automaton has 12506 states and 18347 transitions. Word has length 118 [2021-11-17 13:16:06,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:16:06,171 INFO L470 AbstractCegarLoop]: Abstraction has 12506 states and 18347 transitions. [2021-11-17 13:16:06,171 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-17 13:16:06,172 INFO L276 IsEmpty]: Start isEmpty. Operand 12506 states and 18347 transitions. [2021-11-17 13:16:06,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-17 13:16:06,173 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:16:06,174 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2021-11-17 13:16:06,211 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-17 13:16:06,383 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-17 13:16:06,384 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-17 13:16:06,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:16:06,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1570967098, now seen corresponding path program 1 times [2021-11-17 13:16:06,384 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:16:06,384 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346723239] [2021-11-17 13:16:06,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:16:06,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:16:06,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:06,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:16:06,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:06,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-17 13:16:06,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:06,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:16:06,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:06,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-17 13:16:06,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:06,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-17 13:16:06,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:06,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-17 13:16:06,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:06,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:16:06,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:06,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-17 13:16:06,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:06,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-17 13:16:06,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:06,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 13:16:06,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:06,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-17 13:16:06,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:06,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-17 13:16:06,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:06,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-11-17 13:16:06,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:06,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 13:16:06,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:06,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-17 13:16:06,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:06,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-17 13:16:06,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:07,009 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-17 13:16:07,009 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:16:07,010 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346723239] [2021-11-17 13:16:07,010 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346723239] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:16:07,010 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:16:07,010 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 13:16:07,010 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738344603] [2021-11-17 13:16:07,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:16:07,011 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 13:16:07,011 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:16:07,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 13:16:07,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-17 13:16:07,012 INFO L87 Difference]: Start difference. First operand 12506 states and 18347 transitions. Second operand has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-17 13:16:09,151 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:16:11,207 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:16:13,274 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:16:19,451 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:16:21,480 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:16:41,527 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:16:43,654 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:16:49,263 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 13:16:51,435 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-17 13:16:53,701 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:16:56,241 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:16:57,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:16:57,722 INFO L93 Difference]: Finished difference Result 13816 states and 20539 transitions. [2021-11-17 13:16:57,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-17 13:16:57,722 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (17), 5 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 106 [2021-11-17 13:16:57,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:16:57,761 INFO L225 Difference]: With dead ends: 13816 [2021-11-17 13:16:57,761 INFO L226 Difference]: Without dead ends: 13814 [2021-11-17 13:16:57,768 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-11-17 13:16:57,771 INFO L933 BasicCegarLoop]: 8131 mSDtfsCounter, 18194 mSDsluCounter, 9708 mSDsCounter, 0 mSdLazyCounter, 11538 mSolverCounterSat, 12005 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18693 SdHoareTripleChecker+Valid, 17839 SdHoareTripleChecker+Invalid, 23554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 12005 IncrementalHoareTripleChecker+Valid, 11538 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.4s IncrementalHoareTripleChecker+Time [2021-11-17 13:16:57,772 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18693 Valid, 17839 Invalid, 23554 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [12005 Valid, 11538 Invalid, 11 Unknown, 0 Unchecked, 49.4s Time] [2021-11-17 13:16:57,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13814 states. [2021-11-17 13:16:58,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13814 to 12504. [2021-11-17 13:16:58,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12504 states, 8589 states have (on average 1.3471882640586796) internal successors, (11571), 8800 states have internal predecessors, (11571), 3382 states have call successors, (3382), 514 states have call predecessors, (3382), 515 states have return successors, (3392), 3326 states have call predecessors, (3392), 3378 states have call successors, (3392) [2021-11-17 13:16:58,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12504 states to 12504 states and 18345 transitions. [2021-11-17 13:16:58,472 INFO L78 Accepts]: Start accepts. Automaton has 12504 states and 18345 transitions. Word has length 106 [2021-11-17 13:16:58,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:16:58,473 INFO L470 AbstractCegarLoop]: Abstraction has 12504 states and 18345 transitions. [2021-11-17 13:16:58,473 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-17 13:16:58,473 INFO L276 IsEmpty]: Start isEmpty. Operand 12504 states and 18345 transitions. [2021-11-17 13:16:58,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-11-17 13:16:58,475 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:16:58,475 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 2, 2, 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] [2021-11-17 13:16:58,476 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-17 13:16:58,476 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-17 13:16:58,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:16:58,477 INFO L85 PathProgramCache]: Analyzing trace with hash 2090158817, now seen corresponding path program 1 times [2021-11-17 13:16:58,478 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:16:58,478 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086027674] [2021-11-17 13:16:58,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:16:58,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:16:58,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:58,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:16:58,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:58,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-17 13:16:58,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:58,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:16:58,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:58,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-17 13:16:58,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:59,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-17 13:16:59,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:59,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-17 13:16:59,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:59,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:16:59,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:59,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-17 13:16:59,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:59,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-17 13:16:59,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:59,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-11-17 13:16:59,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:59,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-17 13:16:59,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:59,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:16:59,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:59,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:16:59,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:59,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:16:59,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:59,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 13:16:59,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:59,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 13:16:59,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:59,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-17 13:16:59,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:59,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 13:16:59,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:59,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 13:16:59,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:59,239 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-11-17 13:16:59,240 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:16:59,241 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086027674] [2021-11-17 13:16:59,241 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086027674] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:16:59,241 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:16:59,241 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-17 13:16:59,242 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896765496] [2021-11-17 13:16:59,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:16:59,242 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-17 13:16:59,242 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:16:59,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-17 13:16:59,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-11-17 13:16:59,243 INFO L87 Difference]: Start difference. First operand 12504 states and 18345 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-17 13:17:01,384 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:17:03,439 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:17:05,507 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:17:12,382 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:17:14,415 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:17:16,477 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:17:45,424 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 13:17:47,586 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-17 13:17:49,744 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-17 13:17:51,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:17:51,438 INFO L93 Difference]: Finished difference Result 13874 states and 20589 transitions. [2021-11-17 13:17:51,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-17 13:17:51,438 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (23), 6 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 125 [2021-11-17 13:17:51,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:17:51,471 INFO L225 Difference]: With dead ends: 13874 [2021-11-17 13:17:51,471 INFO L226 Difference]: Without dead ends: 13872 [2021-11-17 13:17:51,476 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2021-11-17 13:17:51,477 INFO L933 BasicCegarLoop]: 8127 mSDtfsCounter, 18254 mSDsluCounter, 13787 mSDsCounter, 0 mSdLazyCounter, 17105 mSolverCounterSat, 11989 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18742 SdHoareTripleChecker+Valid, 21914 SdHoareTripleChecker+Invalid, 29103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 11989 IncrementalHoareTripleChecker+Valid, 17105 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.6s IncrementalHoareTripleChecker+Time [2021-11-17 13:17:51,477 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18742 Valid, 21914 Invalid, 29103 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [11989 Valid, 17105 Invalid, 9 Unknown, 0 Unchecked, 50.6s Time] [2021-11-17 13:17:51,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13872 states. [2021-11-17 13:17:51,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13872 to 12560. [2021-11-17 13:17:51,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12560 states, 8631 states have (on average 1.3461939520333681) internal successors, (11619), 8842 states have internal predecessors, (11619), 3382 states have call successors, (3382), 528 states have call predecessors, (3382), 529 states have return successors, (3392), 3326 states have call predecessors, (3392), 3378 states have call successors, (3392) [2021-11-17 13:17:51,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12560 states to 12560 states and 18393 transitions. [2021-11-17 13:17:51,979 INFO L78 Accepts]: Start accepts. Automaton has 12560 states and 18393 transitions. Word has length 125 [2021-11-17 13:17:51,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:17:51,979 INFO L470 AbstractCegarLoop]: Abstraction has 12560 states and 18393 transitions. [2021-11-17 13:17:51,980 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-17 13:17:51,980 INFO L276 IsEmpty]: Start isEmpty. Operand 12560 states and 18393 transitions. [2021-11-17 13:17:51,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-17 13:17:51,981 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:17:51,981 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2021-11-17 13:17:51,981 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-17 13:17:51,982 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-17 13:17:51,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:17:51,982 INFO L85 PathProgramCache]: Analyzing trace with hash -1521958083, now seen corresponding path program 1 times [2021-11-17 13:17:51,982 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:17:51,982 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537451723] [2021-11-17 13:17:51,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:17:51,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:17:52,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:52,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:17:52,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:52,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-17 13:17:52,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:52,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:17:52,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:52,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-17 13:17:52,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:52,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-17 13:17:52,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:52,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-17 13:17:52,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:52,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:17:52,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:52,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-17 13:17:52,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:52,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-17 13:17:52,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:52,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 13:17:52,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:52,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-17 13:17:52,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:52,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-17 13:17:52,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:52,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-11-17 13:17:52,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:52,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 13:17:52,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:52,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-17 13:17:52,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:52,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-17 13:17:52,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:52,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-17 13:17:52,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:52,650 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-17 13:17:52,650 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:17:52,651 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537451723] [2021-11-17 13:17:52,651 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537451723] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:17:52,651 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:17:52,651 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 13:17:52,652 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57657406] [2021-11-17 13:17:52,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:17:52,652 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 13:17:52,652 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:17:52,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 13:17:52,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-17 13:17:52,653 INFO L87 Difference]: Start difference. First operand 12560 states and 18393 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-17 13:17:54,786 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:17:56,847 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:17:58,919 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:18:04,727 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:18:06,758 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:18:32,345 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:18:34,937 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:18:36,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:18:36,409 INFO L93 Difference]: Finished difference Result 13870 states and 20585 transitions. [2021-11-17 13:18:36,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-17 13:18:36,409 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (18), 5 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 112 [2021-11-17 13:18:36,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:18:36,450 INFO L225 Difference]: With dead ends: 13870 [2021-11-17 13:18:36,450 INFO L226 Difference]: Without dead ends: 13868 [2021-11-17 13:18:36,458 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-11-17 13:18:36,459 INFO L933 BasicCegarLoop]: 8126 mSDtfsCounter, 18200 mSDsluCounter, 9714 mSDsCounter, 0 mSdLazyCounter, 11561 mSolverCounterSat, 12006 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18693 SdHoareTripleChecker+Valid, 17840 SdHoareTripleChecker+Invalid, 23574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 12006 IncrementalHoareTripleChecker+Valid, 11561 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.4s IncrementalHoareTripleChecker+Time [2021-11-17 13:18:36,459 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18693 Valid, 17840 Invalid, 23574 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [12006 Valid, 11561 Invalid, 7 Unknown, 0 Unchecked, 42.4s Time] [2021-11-17 13:18:36,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13868 states. [2021-11-17 13:18:37,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13868 to 12558. [2021-11-17 13:18:37,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12558 states, 8630 states have (on average 1.3461181923522596) internal successors, (11617), 8840 states have internal predecessors, (11617), 3382 states have call successors, (3382), 528 states have call predecessors, (3382), 529 states have return successors, (3392), 3326 states have call predecessors, (3392), 3378 states have call successors, (3392) [2021-11-17 13:18:37,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12558 states to 12558 states and 18391 transitions. [2021-11-17 13:18:37,085 INFO L78 Accepts]: Start accepts. Automaton has 12558 states and 18391 transitions. Word has length 112 [2021-11-17 13:18:37,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:18:37,085 INFO L470 AbstractCegarLoop]: Abstraction has 12558 states and 18391 transitions. [2021-11-17 13:18:37,085 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-17 13:18:37,085 INFO L276 IsEmpty]: Start isEmpty. Operand 12558 states and 18391 transitions. [2021-11-17 13:18:37,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-17 13:18:37,087 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:18:37,087 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:18:37,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-17 13:18:37,087 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-17 13:18:37,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:18:37,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1327297945, now seen corresponding path program 1 times [2021-11-17 13:18:37,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:18:37,088 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196397538] [2021-11-17 13:18:37,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:18:37,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:18:37,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:37,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:18:37,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:37,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-17 13:18:37,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:37,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:18:37,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:37,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-17 13:18:37,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:37,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-17 13:18:37,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:37,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-17 13:18:37,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:37,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:18:37,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:37,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-17 13:18:37,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:37,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-17 13:18:37,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:37,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 13:18:37,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:37,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-17 13:18:37,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:37,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-17 13:18:37,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:37,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-11-17 13:18:37,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:37,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 13:18:37,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:37,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-17 13:18:37,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:37,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-17 13:18:37,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:37,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-17 13:18:37,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:37,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-11-17 13:18:37,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:37,626 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-17 13:18:37,627 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:18:37,627 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196397538] [2021-11-17 13:18:37,627 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196397538] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:18:37,627 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:18:37,627 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 13:18:37,627 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761516158] [2021-11-17 13:18:37,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:18:37,628 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 13:18:37,629 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:18:37,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 13:18:37,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-17 13:18:37,629 INFO L87 Difference]: Start difference. First operand 12558 states and 18391 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-17 13:18:39,766 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:18:41,834 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:18:43,899 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:18:50,746 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:18:52,806 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:19:12,031 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:19:14,155 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:19:20,446 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:19:22,935 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:19:24,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:19:24,348 INFO L93 Difference]: Finished difference Result 13868 states and 20583 transitions. [2021-11-17 13:19:24,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-17 13:19:24,349 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (19), 5 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 118 [2021-11-17 13:19:24,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:19:24,402 INFO L225 Difference]: With dead ends: 13868 [2021-11-17 13:19:24,402 INFO L226 Difference]: Without dead ends: 13866 [2021-11-17 13:19:24,412 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-11-17 13:19:24,413 INFO L933 BasicCegarLoop]: 8133 mSDtfsCounter, 18162 mSDsluCounter, 9706 mSDsCounter, 0 mSdLazyCounter, 11543 mSolverCounterSat, 11991 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18661 SdHoareTripleChecker+Valid, 17839 SdHoareTripleChecker+Invalid, 23543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11991 IncrementalHoareTripleChecker+Valid, 11543 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.4s IncrementalHoareTripleChecker+Time [2021-11-17 13:19:24,413 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18661 Valid, 17839 Invalid, 23543 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11991 Valid, 11543 Invalid, 9 Unknown, 0 Unchecked, 45.4s Time] [2021-11-17 13:19:24,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13866 states. [2021-11-17 13:19:25,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13866 to 12556. [2021-11-17 13:19:25,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12556 states, 8629 states have (on average 1.3460424151118322) internal successors, (11615), 8838 states have internal predecessors, (11615), 3382 states have call successors, (3382), 528 states have call predecessors, (3382), 529 states have return successors, (3392), 3326 states have call predecessors, (3392), 3378 states have call successors, (3392) [2021-11-17 13:19:25,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12556 states to 12556 states and 18389 transitions. [2021-11-17 13:19:25,079 INFO L78 Accepts]: Start accepts. Automaton has 12556 states and 18389 transitions. Word has length 118 [2021-11-17 13:19:25,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:19:25,079 INFO L470 AbstractCegarLoop]: Abstraction has 12556 states and 18389 transitions. [2021-11-17 13:19:25,080 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-17 13:19:25,080 INFO L276 IsEmpty]: Start isEmpty. Operand 12556 states and 18389 transitions. [2021-11-17 13:19:25,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-17 13:19:25,083 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:19:25,083 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:19:25,083 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-17 13:19:25,083 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-17 13:19:25,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:19:25,084 INFO L85 PathProgramCache]: Analyzing trace with hash -322369113, now seen corresponding path program 1 times [2021-11-17 13:19:25,084 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:19:25,084 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870222532] [2021-11-17 13:19:25,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:19:25,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:19:25,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:25,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:19:25,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:25,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-17 13:19:25,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:25,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:19:25,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:25,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-17 13:19:25,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:25,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-17 13:19:25,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:25,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-17 13:19:25,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:25,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:19:25,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:25,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-17 13:19:25,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:25,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-17 13:19:25,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:25,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 13:19:25,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:25,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-17 13:19:25,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:25,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-17 13:19:25,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:25,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-11-17 13:19:25,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:25,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 13:19:25,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:25,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-17 13:19:25,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:25,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-17 13:19:25,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:25,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-17 13:19:25,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:25,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-11-17 13:19:25,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:25,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 13:19:25,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:25,747 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-17 13:19:25,747 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:19:25,747 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870222532] [2021-11-17 13:19:25,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870222532] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:19:25,747 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:19:25,748 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 13:19:25,748 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898743547] [2021-11-17 13:19:25,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:19:25,748 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 13:19:25,748 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:19:25,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 13:19:25,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-17 13:19:25,749 INFO L87 Difference]: Start difference. First operand 12556 states and 18389 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-17 13:19:27,850 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:19:29,925 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:19:31,996 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:19:38,717 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:19:40,735 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:20:05,756 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 13:20:07,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:20:07,535 INFO L93 Difference]: Finished difference Result 13866 states and 20581 transitions. [2021-11-17 13:20:07,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-17 13:20:07,535 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (20), 5 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 124 [2021-11-17 13:20:07,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:20:07,570 INFO L225 Difference]: With dead ends: 13866 [2021-11-17 13:20:07,570 INFO L226 Difference]: Without dead ends: 13864 [2021-11-17 13:20:07,575 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-11-17 13:20:07,576 INFO L933 BasicCegarLoop]: 8124 mSDtfsCounter, 18178 mSDsluCounter, 9712 mSDsCounter, 0 mSdLazyCounter, 11555 mSolverCounterSat, 11998 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18671 SdHoareTripleChecker+Valid, 17836 SdHoareTripleChecker+Invalid, 23559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 11998 IncrementalHoareTripleChecker+Valid, 11555 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.3s IncrementalHoareTripleChecker+Time [2021-11-17 13:20:07,576 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18671 Valid, 17836 Invalid, 23559 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [11998 Valid, 11555 Invalid, 6 Unknown, 0 Unchecked, 40.3s Time] [2021-11-17 13:20:07,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13864 states. [2021-11-17 13:20:08,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13864 to 12554. [2021-11-17 13:20:08,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12554 states, 8628 states have (on average 1.3459666203059806) internal successors, (11613), 8836 states have internal predecessors, (11613), 3382 states have call successors, (3382), 528 states have call predecessors, (3382), 529 states have return successors, (3392), 3326 states have call predecessors, (3392), 3378 states have call successors, (3392) [2021-11-17 13:20:08,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12554 states to 12554 states and 18387 transitions. [2021-11-17 13:20:08,161 INFO L78 Accepts]: Start accepts. Automaton has 12554 states and 18387 transitions. Word has length 124 [2021-11-17 13:20:08,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:20:08,161 INFO L470 AbstractCegarLoop]: Abstraction has 12554 states and 18387 transitions. [2021-11-17 13:20:08,161 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-17 13:20:08,161 INFO L276 IsEmpty]: Start isEmpty. Operand 12554 states and 18387 transitions. [2021-11-17 13:20:08,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-11-17 13:20:08,164 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:20:08,164 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:20:08,164 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-17 13:20:08,164 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-17 13:20:08,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:20:08,165 INFO L85 PathProgramCache]: Analyzing trace with hash -386702021, now seen corresponding path program 1 times [2021-11-17 13:20:08,165 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:20:08,165 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96740184] [2021-11-17 13:20:08,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:20:08,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:20:08,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:08,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:20:08,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:08,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-11-17 13:20:08,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:08,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:20:08,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:08,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-17 13:20:08,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:08,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-17 13:20:08,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:08,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-17 13:20:08,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:08,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:20:08,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:08,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-17 13:20:08,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:08,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-17 13:20:08,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:08,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 13:20:08,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:08,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-17 13:20:08,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:08,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-17 13:20:08,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:08,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-11-17 13:20:08,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:08,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 13:20:08,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:08,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-17 13:20:08,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:08,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-17 13:20:08,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:08,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-17 13:20:08,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:08,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-11-17 13:20:08,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:08,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 13:20:08,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:08,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-11-17 13:20:08,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:08,789 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-17 13:20:08,790 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:20:08,790 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96740184] [2021-11-17 13:20:08,790 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96740184] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:20:08,790 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:20:08,791 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 13:20:08,791 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576269813] [2021-11-17 13:20:08,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:20:08,791 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 13:20:08,791 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:20:08,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 13:20:08,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-17 13:20:08,792 INFO L87 Difference]: Start difference. First operand 12554 states and 18387 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-17 13:20:10,897 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:20:12,974 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:20:15,052 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:20:21,458 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:20:23,485 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:20:47,085 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 13:20:49,249 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-17 13:20:51,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:20:51,649 INFO L93 Difference]: Finished difference Result 13864 states and 20579 transitions. [2021-11-17 13:20:51,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-17 13:20:51,649 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (21), 5 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 130 [2021-11-17 13:20:51,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:20:51,696 INFO L225 Difference]: With dead ends: 13864 [2021-11-17 13:20:51,696 INFO L226 Difference]: Without dead ends: 13862 [2021-11-17 13:20:51,706 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-11-17 13:20:51,707 INFO L933 BasicCegarLoop]: 8065 mSDtfsCounter, 18329 mSDsluCounter, 9705 mSDsCounter, 0 mSdLazyCounter, 11465 mSolverCounterSat, 12032 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18824 SdHoareTripleChecker+Valid, 17770 SdHoareTripleChecker+Invalid, 23504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12032 IncrementalHoareTripleChecker+Valid, 11465 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.5s IncrementalHoareTripleChecker+Time [2021-11-17 13:20:51,707 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18824 Valid, 17770 Invalid, 23504 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12032 Valid, 11465 Invalid, 7 Unknown, 0 Unchecked, 41.5s Time] [2021-11-17 13:20:51,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13862 states. Killed by 15