./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 c3fed411 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 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 16:03:41,478 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 16:03:41,479 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 16:03:41,535 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 16:03:41,536 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 16:03:41,537 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 16:03:41,538 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 16:03:41,540 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 16:03:41,544 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 16:03:41,545 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 16:03:41,546 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 16:03:41,548 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 16:03:41,549 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 16:03:41,554 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 16:03:41,556 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 16:03:41,558 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 16:03:41,561 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 16:03:41,563 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 16:03:41,564 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 16:03:41,569 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 16:03:41,570 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 16:03:41,571 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 16:03:41,572 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 16:03:41,573 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 16:03:41,575 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 16:03:41,575 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 16:03:41,575 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 16:03:41,576 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 16:03:41,576 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 16:03:41,577 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 16:03:41,577 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 16:03:41,578 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 16:03:41,579 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 16:03:41,579 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 16:03:41,580 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 16:03:41,580 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 16:03:41,581 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 16:03:41,581 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 16:03:41,582 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 16:03:41,582 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 16:03:41,583 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 16:03:41,587 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 16:03:41,613 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 16:03:41,613 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 16:03:41,613 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 16:03:41,613 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 16:03:41,614 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 16:03:41,614 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 16:03:41,615 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 16:03:41,615 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 16:03:41,615 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 16:03:41,615 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 16:03:41,615 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 16:03:41,615 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 16:03:41,616 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 16:03:41,616 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 16:03:41,616 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 16:03:41,616 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 16:03:41,616 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 16:03:41,616 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 16:03:41,616 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 16:03:41,616 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 16:03:41,617 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 16:03:41,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 16:03:41,617 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 16:03:41,617 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 16:03:41,617 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 16:03:41,617 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 16:03:41,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 16:03:41,618 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 16:03:41,618 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 16:03:41,618 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 16:03:41,618 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 16:03:41,618 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e65ce0ca1630c9676f80f28ff5aee772276e1a4ab72beeeb2195c791073f2dc7 [2021-12-18 16:03:41,859 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 16:03:41,879 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 16:03:41,883 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 16:03:41,884 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 16:03:41,884 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 16:03:41,886 INFO L432 ainManager$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 [2021-12-18 16:03:41,961 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/477fb8b5e/5ebdd67a0a8d4320afced0c3700f0f8a/FLAGd194b03de [2021-12-18 16:03:42,970 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 16:03:42,971 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 [2021-12-18 16:03:43,061 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/477fb8b5e/5ebdd67a0a8d4320afced0c3700f0f8a/FLAGd194b03de [2021-12-18 16:03:43,459 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/477fb8b5e/5ebdd67a0a8d4320afced0c3700f0f8a [2021-12-18 16:03:43,461 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 16:03:43,462 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 16:03:43,463 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 16:03:43,463 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 16:03:43,469 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 16:03:43,469 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 04:03:43" (1/1) ... [2021-12-18 16:03:43,470 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@afe8363 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:03:43, skipping insertion in model container [2021-12-18 16:03:43,471 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 04:03:43" (1/1) ... [2021-12-18 16:03:43,476 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 16:03:43,751 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 16:03:54,893 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] [2021-12-18 16:03:54,896 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] [2021-12-18 16:03:54,896 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] [2021-12-18 16:03:54,897 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] [2021-12-18 16:03:54,897 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] [2021-12-18 16:03:54,898 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] [2021-12-18 16:03:54,898 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] [2021-12-18 16:03:54,898 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] [2021-12-18 16:03:54,899 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] [2021-12-18 16:03:54,899 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] [2021-12-18 16:03:54,899 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] [2021-12-18 16:03:54,900 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] [2021-12-18 16:03:54,900 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] [2021-12-18 16:03:54,901 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] [2021-12-18 16:03:54,901 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] [2021-12-18 16:03:54,901 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] [2021-12-18 16:03:54,902 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] [2021-12-18 16:03:54,902 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] [2021-12-18 16:03:54,902 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] [2021-12-18 16:03:54,903 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] [2021-12-18 16:03:54,903 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] [2021-12-18 16:03:54,904 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] [2021-12-18 16:03:54,904 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] [2021-12-18 16:03:54,904 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] [2021-12-18 16:03:54,905 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] [2021-12-18 16:03:54,905 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] [2021-12-18 16:03:54,905 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] [2021-12-18 16:03:54,906 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] [2021-12-18 16:03:54,906 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] [2021-12-18 16:03:54,907 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] [2021-12-18 16:03:54,907 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] [2021-12-18 16:03:54,907 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] [2021-12-18 16:03:54,908 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] [2021-12-18 16:03:54,908 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] [2021-12-18 16:03:54,908 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] [2021-12-18 16:03:54,909 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] [2021-12-18 16:03:54,909 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] [2021-12-18 16:03:54,910 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] [2021-12-18 16:03:54,910 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] [2021-12-18 16:03:54,910 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] [2021-12-18 16:03:54,911 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] [2021-12-18 16:03:54,911 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] [2021-12-18 16:03:54,911 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] [2021-12-18 16:03:54,912 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] [2021-12-18 16:03:54,912 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] [2021-12-18 16:03:54,913 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] [2021-12-18 16:03:54,913 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] [2021-12-18 16:03:54,913 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] [2021-12-18 16:03:54,914 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] [2021-12-18 16:03:54,914 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] [2021-12-18 16:03:54,914 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] [2021-12-18 16:03:54,915 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] [2021-12-18 16:03:54,915 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] [2021-12-18 16:03:54,916 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] [2021-12-18 16:03:54,916 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] [2021-12-18 16:03:54,916 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] [2021-12-18 16:03:54,917 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] [2021-12-18 16:03:54,917 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] [2021-12-18 16:03:54,917 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] [2021-12-18 16:03:54,918 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] [2021-12-18 16:03:54,918 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] [2021-12-18 16:03:54,919 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] [2021-12-18 16:03:54,919 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] [2021-12-18 16:03:54,919 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] [2021-12-18 16:03:54,920 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] [2021-12-18 16:03:54,920 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] [2021-12-18 16:03:54,921 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] [2021-12-18 16:03:54,921 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] [2021-12-18 16:03:54,921 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] [2021-12-18 16:03:54,922 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] [2021-12-18 16:03:54,922 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] [2021-12-18 16:03:54,922 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] [2021-12-18 16:03:54,923 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] [2021-12-18 16:03:54,923 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] [2021-12-18 16:03:54,923 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] [2021-12-18 16:03:54,924 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] [2021-12-18 16:03:54,924 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] [2021-12-18 16:03:54,925 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] [2021-12-18 16:03:54,925 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] [2021-12-18 16:03:54,925 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] [2021-12-18 16:03:54,926 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] [2021-12-18 16:03:54,926 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] [2021-12-18 16:03:54,926 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] [2021-12-18 16:03:54,927 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] [2021-12-18 16:03:54,927 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] [2021-12-18 16:03:54,927 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] [2021-12-18 16:03:54,928 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] [2021-12-18 16:03:54,928 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] [2021-12-18 16:03:54,978 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 16:03:55,006 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 16:03:56,091 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] [2021-12-18 16:03:56,107 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] [2021-12-18 16:03:56,108 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] [2021-12-18 16:03:56,108 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] [2021-12-18 16:03:56,109 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] [2021-12-18 16:03:56,110 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] [2021-12-18 16:03:56,110 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] [2021-12-18 16:03:56,111 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] [2021-12-18 16:03:56,111 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] [2021-12-18 16:03:56,112 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] [2021-12-18 16:03:56,112 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] [2021-12-18 16:03:56,112 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] [2021-12-18 16:03:56,112 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] [2021-12-18 16:03:56,114 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] [2021-12-18 16:03:56,114 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] [2021-12-18 16:03:56,114 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] [2021-12-18 16:03:56,115 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] [2021-12-18 16:03:56,116 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] [2021-12-18 16:03:56,116 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] [2021-12-18 16:03:56,116 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] [2021-12-18 16:03:56,116 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] [2021-12-18 16:03:56,117 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] [2021-12-18 16:03:56,118 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] [2021-12-18 16:03:56,118 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] [2021-12-18 16:03:56,118 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] [2021-12-18 16:03:56,118 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] [2021-12-18 16:03:56,119 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] [2021-12-18 16:03:56,119 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] [2021-12-18 16:03:56,119 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] [2021-12-18 16:03:56,120 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] [2021-12-18 16:03:56,120 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] [2021-12-18 16:03:56,120 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] [2021-12-18 16:03:56,120 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] [2021-12-18 16:03:56,131 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] [2021-12-18 16:03:56,132 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] [2021-12-18 16:03:56,132 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] [2021-12-18 16:03:56,132 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] [2021-12-18 16:03:56,132 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] [2021-12-18 16:03:56,133 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] [2021-12-18 16:03:56,134 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] [2021-12-18 16:03:56,135 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] [2021-12-18 16:03:56,135 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] [2021-12-18 16:03:56,135 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] [2021-12-18 16:03:56,135 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] [2021-12-18 16:03:56,136 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] [2021-12-18 16:03:56,136 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] [2021-12-18 16:03:56,136 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] [2021-12-18 16:03:56,137 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] [2021-12-18 16:03:56,137 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] [2021-12-18 16:03:56,137 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] [2021-12-18 16:03:56,138 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] [2021-12-18 16:03:56,138 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] [2021-12-18 16:03:56,138 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] [2021-12-18 16:03:56,138 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] [2021-12-18 16:03:56,160 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] [2021-12-18 16:03:56,160 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] [2021-12-18 16:03:56,161 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] [2021-12-18 16:03:56,161 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] [2021-12-18 16:03:56,161 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] [2021-12-18 16:03:56,162 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] [2021-12-18 16:03:56,162 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] [2021-12-18 16:03:56,163 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] [2021-12-18 16:03:56,164 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] [2021-12-18 16:03:56,168 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] [2021-12-18 16:03:56,169 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] [2021-12-18 16:03:56,169 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] [2021-12-18 16:03:56,169 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] [2021-12-18 16:03:56,170 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] [2021-12-18 16:03:56,170 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] [2021-12-18 16:03:56,171 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] [2021-12-18 16:03:56,171 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] [2021-12-18 16:03:56,171 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] [2021-12-18 16:03:56,176 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] [2021-12-18 16:03:56,176 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] [2021-12-18 16:03:56,176 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] [2021-12-18 16:03:56,176 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] [2021-12-18 16:03:56,177 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] [2021-12-18 16:03:56,177 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] [2021-12-18 16:03:56,178 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] [2021-12-18 16:03:56,178 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] [2021-12-18 16:03:56,179 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] [2021-12-18 16:03:56,179 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] [2021-12-18 16:03:56,180 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] [2021-12-18 16:03:56,180 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] [2021-12-18 16:03:56,180 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] [2021-12-18 16:03:56,180 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] [2021-12-18 16:03:56,181 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] [2021-12-18 16:03:56,181 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] [2021-12-18 16:03:56,188 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 16:03:56,647 INFO L208 MainTranslator]: Completed translation [2021-12-18 16:03:56,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:03:56 WrapperNode [2021-12-18 16:03:56,659 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 16:03:56,660 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 16:03:56,660 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 16:03:56,660 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 16:03:56,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:03:56" (1/1) ... [2021-12-18 16:03:56,972 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:03:56" (1/1) ... [2021-12-18 16:03:57,463 INFO L137 Inliner]: procedures = 1073, calls = 9645, calls flagged for inlining = 511, calls inlined = 406, statements flattened = 20860 [2021-12-18 16:03:57,465 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 16:03:57,466 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 16:03:57,466 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 16:03:57,466 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 16:03:57,474 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:03:56" (1/1) ... [2021-12-18 16:03:57,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:03:56" (1/1) ... [2021-12-18 16:03:57,596 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:03:56" (1/1) ... [2021-12-18 16:03:57,597 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:03:56" (1/1) ... [2021-12-18 16:03:58,268 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:03:56" (1/1) ... [2021-12-18 16:03:58,341 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:03:56" (1/1) ... [2021-12-18 16:03:58,456 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:03:56" (1/1) ... [2021-12-18 16:03:58,571 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 16:03:58,572 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 16:03:58,573 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 16:03:58,573 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 16:03:58,574 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:03:56" (1/1) ... [2021-12-18 16:03:58,580 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 16:03:58,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 16:03:58,607 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) [2021-12-18 16:03:58,629 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 [2021-12-18 16:03:58,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_122 [2021-12-18 16:03:58,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_122 [2021-12-18 16:03:58,651 INFO L130 BoogieDeclarations]: Found specification of procedure free_io_sgl_handle [2021-12-18 16:03:58,651 INFO L138 BoogieDeclarations]: Found implementation of procedure free_io_sgl_handle [2021-12-18 16:03:58,651 INFO L130 BoogieDeclarations]: Found specification of procedure be_mbox_notify_wait [2021-12-18 16:03:58,651 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mbox_notify_wait [2021-12-18 16:03:58,651 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-12-18 16:03:58,651 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-12-18 16:03:58,651 INFO L130 BoogieDeclarations]: Found specification of procedure amap_get [2021-12-18 16:03:58,652 INFO L138 BoogieDeclarations]: Found implementation of procedure amap_get [2021-12-18 16:03:58,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-12-18 16:03:58,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-12-18 16:03:58,652 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-12-18 16:03:58,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-12-18 16:03:58,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-18 16:03:58,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-18 16:03:58,654 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_mcc_tag [2021-12-18 16:03:58,654 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_mcc_tag [2021-12-18 16:03:58,655 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-18 16:03:58,655 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-18 16:03:58,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_159 [2021-12-18 16:03:58,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_159 [2021-12-18 16:03:58,656 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-18 16:03:58,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-18 16:03:58,657 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2021-12-18 16:03:58,657 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2021-12-18 16:03:58,657 INFO L130 BoogieDeclarations]: Found specification of procedure swap_dws [2021-12-18 16:03:58,657 INFO L138 BoogieDeclarations]: Found implementation of procedure swap_dws [2021-12-18 16:03:58,658 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-18 16:03:58,658 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-18 16:03:58,658 INFO L130 BoogieDeclarations]: Found specification of procedure free_mcc_tag [2021-12-18 16:03:58,658 INFO L138 BoogieDeclarations]: Found implementation of procedure free_mcc_tag [2021-12-18 16:03:58,658 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_enable_intr [2021-12-18 16:03:58,658 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_enable_intr [2021-12-18 16:03:58,658 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_free_mem [2021-12-18 16:03:58,659 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_free_mem [2021-12-18 16:03:58,659 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_get_async_busy_list [2021-12-18 16:03:58,659 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_get_async_busy_list [2021-12-18 16:03:58,659 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-18 16:03:58,659 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-18 16:03:58,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-12-18 16:03:58,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-12-18 16:03:58,660 INFO L130 BoogieDeclarations]: Found specification of procedure __rounddown_pow_of_two [2021-12-18 16:03:58,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __rounddown_pow_of_two [2021-12-18 16:03:58,660 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-18 16:03:58,660 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-18 16:03:58,660 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-18 16:03:58,660 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-18 16:03:58,660 INFO L130 BoogieDeclarations]: Found specification of procedure be_queue_free [2021-12-18 16:03:58,660 INFO L138 BoogieDeclarations]: Found implementation of procedure be_queue_free [2021-12-18 16:03:58,661 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-12-18 16:03:58,661 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-12-18 16:03:58,661 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-18 16:03:58,661 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-18 16:03:58,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-18 16:03:58,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-18 16:03:58,661 INFO L130 BoogieDeclarations]: Found specification of procedure index_inc [2021-12-18 16:03:58,662 INFO L138 BoogieDeclarations]: Found implementation of procedure index_inc [2021-12-18 16:03:58,662 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_mgmt_sgl_handle [2021-12-18 16:03:58,662 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_mgmt_sgl_handle [2021-12-18 16:03:58,662 INFO L130 BoogieDeclarations]: Found specification of procedure be_wrb_hdr_prepare [2021-12-18 16:03:58,663 INFO L138 BoogieDeclarations]: Found implementation of procedure be_wrb_hdr_prepare [2021-12-18 16:03:58,663 INFO L130 BoogieDeclarations]: Found specification of procedure pci_zalloc_consistent [2021-12-18 16:03:58,663 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_zalloc_consistent [2021-12-18 16:03:58,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-12-18 16:03:58,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-12-18 16:03:58,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 16:03:58,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-12-18 16:03:58,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-12-18 16:03:58,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_mgmt_sgl_lock_of_beiscsi_hba [2021-12-18 16:03:58,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_mgmt_sgl_lock_of_beiscsi_hba [2021-12-18 16:03:58,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-18 16:03:58,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-18 16:03:58,668 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_set_static_ip [2021-12-18 16:03:58,668 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_set_static_ip [2021-12-18 16:03:58,668 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-12-18 16:03:58,668 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-12-18 16:03:58,668 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2021-12-18 16:03:58,668 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2021-12-18 16:03:58,669 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-18 16:03:58,669 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-18 16:03:58,670 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-18 16:03:58,670 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-18 16:03:58,670 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2021-12-18 16:03:58,670 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2021-12-18 16:03:58,670 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_target [2021-12-18 16:03:58,671 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_target [2021-12-18 16:03:58,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-12-18 16:03:58,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-12-18 16:03:58,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_check_return_value_probe [2021-12-18 16:03:58,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_check_return_value_probe [2021-12-18 16:03:58,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 16:03:58,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-12-18 16:03:58,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2021-12-18 16:03:58,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_check_return_value_probe [2021-12-18 16:03:58,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_check_return_value_probe [2021-12-18 16:03:58,672 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-18 16:03:58,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-18 16:03:58,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 16:03:58,672 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_task_xmit [2021-12-18 16:03:58,672 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_task_xmit [2021-12-18 16:03:58,673 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_conn_start [2021-12-18 16:03:58,673 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_conn_start [2021-12-18 16:03:58,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-18 16:03:58,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-18 16:03:58,673 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-18 16:03:58,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-18 16:03:58,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_166 [2021-12-18 16:03:58,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_166 [2021-12-18 16:03:58,674 INFO L130 BoogieDeclarations]: Found specification of procedure fls_long [2021-12-18 16:03:58,674 INFO L138 BoogieDeclarations]: Found implementation of procedure fls_long [2021-12-18 16:03:58,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 16:03:58,674 INFO L130 BoogieDeclarations]: Found specification of procedure nonembedded_sgl [2021-12-18 16:03:58,674 INFO L138 BoogieDeclarations]: Found implementation of procedure nonembedded_sgl [2021-12-18 16:03:58,674 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-12-18 16:03:58,674 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-12-18 16:03:58,675 INFO L130 BoogieDeclarations]: Found specification of procedure queue_tail_inc [2021-12-18 16:03:58,675 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_tail_inc [2021-12-18 16:03:58,675 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_modify_gateway [2021-12-18 16:03:58,675 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_modify_gateway [2021-12-18 16:03:58,676 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2021-12-18 16:03:58,676 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2021-12-18 16:03:58,676 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_get_all_if_id [2021-12-18 16:03:58,676 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_get_all_if_id [2021-12-18 16:03:58,676 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_clean_port [2021-12-18 16:03:58,676 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_clean_port [2021-12-18 16:03:58,677 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_cmd_cq_create [2021-12-18 16:03:58,677 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_cmd_cq_create [2021-12-18 16:03:58,677 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-18 16:03:58,677 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-18 16:03:58,677 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_host_remove [2021-12-18 16:03:58,677 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_host_remove [2021-12-18 16:03:58,677 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_log_enable_store [2021-12-18 16:03:58,678 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_log_enable_store [2021-12-18 16:03:58,678 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-18 16:03:58,678 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-18 16:03:58,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 16:03:58,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 16:03:58,678 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-18 16:03:58,678 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-18 16:03:58,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 16:03:58,679 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_cleanup [2021-12-18 16:03:58,679 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_cleanup [2021-12-18 16:03:58,679 INFO L130 BoogieDeclarations]: Found specification of procedure is_link_state_evt [2021-12-18 16:03:58,679 INFO L138 BoogieDeclarations]: Found implementation of procedure is_link_state_evt [2021-12-18 16:03:58,679 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-12-18 16:03:58,679 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-12-18 16:03:58,679 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_invalidate_icds [2021-12-18 16:03:58,680 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_invalidate_icds [2021-12-18 16:03:58,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-18 16:03:58,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-18 16:03:58,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_135 [2021-12-18 16:03:58,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_135 [2021-12-18 16:03:58,680 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_target_alloc [2021-12-18 16:03:58,680 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_target_alloc [2021-12-18 16:03:58,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 16:03:58,681 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 16:03:58,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2021-12-18 16:03:58,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2021-12-18 16:03:58,681 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_set_vlan [2021-12-18 16:03:58,681 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_set_vlan [2021-12-18 16:03:58,681 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_update_async_writables [2021-12-18 16:03:58,681 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_update_async_writables [2021-12-18 16:03:58,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-18 16:03:58,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-18 16:03:58,682 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-18 16:03:58,682 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-18 16:03:58,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-12-18 16:03:58,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-12-18 16:03:58,682 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-18 16:03:58,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-18 16:03:58,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-12-18 16:03:58,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-12-18 16:03:58,683 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_session_recovery_timedout [2021-12-18 16:03:58,683 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_session_recovery_timedout [2021-12-18 16:03:58,683 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_unregister_transport [2021-12-18 16:03:58,683 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_unregister_transport [2021-12-18 16:03:58,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 16:03:58,684 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-18 16:03:58,684 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-18 16:03:58,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-12-18 16:03:58,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-12-18 16:03:58,684 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_remove [2021-12-18 16:03:58,684 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_remove [2021-12-18 16:03:58,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 16:03:58,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_121 [2021-12-18 16:03:58,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_121 [2021-12-18 16:03:58,685 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_get_gateway [2021-12-18 16:03:58,685 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_get_gateway [2021-12-18 16:03:58,685 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_get_if_info [2021-12-18 16:03:58,685 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_get_if_info [2021-12-18 16:03:58,685 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_wrb_handle [2021-12-18 16:03:58,685 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_wrb_handle [2021-12-18 16:03:58,686 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2021-12-18 16:03:58,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2021-12-18 16:03:58,686 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2021-12-18 16:03:58,686 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2021-12-18 16:03:58,686 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-18 16:03:58,686 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-18 16:03:58,686 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-18 16:03:58,687 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-18 16:03:58,687 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_set_ip [2021-12-18 16:03:58,687 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_set_ip [2021-12-18 16:03:58,687 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_ring_cq_db [2021-12-18 16:03:58,687 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_ring_cq_db [2021-12-18 16:03:58,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-18 16:03:58,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-18 16:03:58,688 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_format_mac [2021-12-18 16:03:58,688 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_format_mac [2021-12-18 16:03:58,688 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-18 16:03:58,688 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-18 16:03:58,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-12-18 16:03:58,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-12-18 16:03:58,689 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_get_async_handle [2021-12-18 16:03:58,689 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_get_async_handle [2021-12-18 16:03:58,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-12-18 16:03:58,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-12-18 16:03:58,689 INFO L130 BoogieDeclarations]: Found specification of procedure be_mbox_db_ready_wait [2021-12-18 16:03:58,689 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mbox_db_ready_wait [2021-12-18 16:03:58,690 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2021-12-18 16:03:58,690 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2021-12-18 16:03:58,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 16:03:58,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 16:03:58,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 16:03:58,690 INFO L130 BoogieDeclarations]: Found specification of procedure find_num_cpus [2021-12-18 16:03:58,690 INFO L138 BoogieDeclarations]: Found implementation of procedure find_num_cpus [2021-12-18 16:03:58,691 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2021-12-18 16:03:58,691 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2021-12-18 16:03:58,691 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_ring_eq_db [2021-12-18 16:03:58,691 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_ring_eq_db [2021-12-18 16:03:58,691 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-18 16:03:58,691 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-18 16:03:58,691 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_host_free [2021-12-18 16:03:58,692 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_host_free [2021-12-18 16:03:58,692 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_create_ipv4_iface [2021-12-18 16:03:58,692 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_create_ipv4_iface [2021-12-18 16:03:58,692 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_shost [2021-12-18 16:03:58,692 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_shost [2021-12-18 16:03:58,692 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-18 16:03:58,692 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-18 16:03:58,692 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_destroy_endpoint [2021-12-18 16:03:58,693 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_destroy_endpoint [2021-12-18 16:03:58,693 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_conn_teardown [2021-12-18 16:03:58,693 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_conn_teardown [2021-12-18 16:03:58,693 INFO L130 BoogieDeclarations]: Found specification of procedure blk_iopoll_sched [2021-12-18 16:03:58,693 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_iopoll_sched [2021-12-18 16:03:58,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_121 [2021-12-18 16:03:58,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_121 [2021-12-18 16:03:58,693 INFO L130 BoogieDeclarations]: Found specification of procedure amap_mask [2021-12-18 16:03:58,694 INFO L138 BoogieDeclarations]: Found implementation of procedure amap_mask [2021-12-18 16:03:58,694 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_create_ipv6_iface [2021-12-18 16:03:58,694 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_create_ipv6_iface [2021-12-18 16:03:58,694 INFO L130 BoogieDeclarations]: Found specification of procedure be_encoded_q_len [2021-12-18 16:03:58,694 INFO L138 BoogieDeclarations]: Found implementation of procedure be_encoded_q_len [2021-12-18 16:03:58,694 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_fwd_async_msg [2021-12-18 16:03:58,694 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_fwd_async_msg [2021-12-18 16:03:58,695 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_static_ip_modify [2021-12-18 16:03:58,695 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_static_ip_modify [2021-12-18 16:03:58,695 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-12-18 16:03:58,695 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2021-12-18 16:03:58,695 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2021-12-18 16:03:58,695 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2021-12-18 16:03:58,695 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2021-12-18 16:03:58,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_isr_lock_of_beiscsi_hba [2021-12-18 16:03:58,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_isr_lock_of_beiscsi_hba [2021-12-18 16:03:58,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-12-18 16:03:58,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-12-18 16:03:58,696 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_compl_use [2021-12-18 16:03:58,696 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_compl_use [2021-12-18 16:03:58,696 INFO L130 BoogieDeclarations]: Found specification of procedure __iscsi_complete_pdu [2021-12-18 16:03:58,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __iscsi_complete_pdu [2021-12-18 16:03:58,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 16:03:58,697 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 16:03:58,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 16:03:58,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 16:03:58,697 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_purge_eq [2021-12-18 16:03:58,697 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_purge_eq [2021-12-18 16:03:58,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_165 [2021-12-18 16:03:58,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_165 [2021-12-18 16:03:58,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_remap [2021-12-18 16:03:58,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_remap [2021-12-18 16:03:58,698 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-18 16:03:58,698 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-18 16:03:58,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_158 [2021-12-18 16:03:58,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_158 [2021-12-18 16:03:58,699 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_compl_is_new [2021-12-18 16:03:58,699 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_compl_is_new [2021-12-18 16:03:58,699 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_exec_nonemb_cmd [2021-12-18 16:03:58,699 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_exec_nonemb_cmd [2021-12-18 16:03:58,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-12-18 16:03:58,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-12-18 16:03:58,699 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2021-12-18 16:03:58,699 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2021-12-18 16:03:58,700 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_ue_detect [2021-12-18 16:03:58,700 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_ue_detect [2021-12-18 16:03:58,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-12-18 16:03:58,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-12-18 16:03:58,700 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-18 16:03:58,700 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-18 16:03:58,700 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_eh_device_reset [2021-12-18 16:03:58,701 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_eh_device_reset [2021-12-18 16:03:58,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-18 16:03:58,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-18 16:03:58,701 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-18 16:03:58,701 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-18 16:03:58,701 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_page_addrs_prepare [2021-12-18 16:03:58,701 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_page_addrs_prepare [2021-12-18 16:03:58,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-18 16:03:58,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-18 16:03:58,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-12-18 16:03:58,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-12-18 16:03:58,702 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_cmd_reset_function [2021-12-18 16:03:58,702 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_cmd_reset_function [2021-12-18 16:03:58,702 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_eeh_resume [2021-12-18 16:03:58,702 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_eeh_resume [2021-12-18 16:03:58,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 16:03:58,703 INFO L130 BoogieDeclarations]: Found specification of procedure nla_find [2021-12-18 16:03:58,703 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_find [2021-12-18 16:03:58,703 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_session_teardown [2021-12-18 16:03:58,703 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_session_teardown [2021-12-18 16:03:58,703 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-18 16:03:58,703 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-18 16:03:58,704 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_init_irqs [2021-12-18 16:03:58,704 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_init_irqs [2021-12-18 16:03:58,704 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_cleanup_task [2021-12-18 16:03:58,704 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_cleanup_task [2021-12-18 16:03:58,704 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-12-18 16:03:58,704 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-12-18 16:03:58,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 16:03:58,704 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_process_cq [2021-12-18 16:03:58,705 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_process_cq [2021-12-18 16:03:58,705 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-18 16:03:58,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-18 16:03:58,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 16:03:58,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-12-18 16:03:58,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-12-18 16:03:58,705 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_eh_session_reset [2021-12-18 16:03:58,706 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_eh_session_reset [2021-12-18 16:03:58,706 INFO L130 BoogieDeclarations]: Found specification of procedure blk_iopoll_init [2021-12-18 16:03:58,706 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_iopoll_init [2021-12-18 16:03:58,706 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-18 16:03:58,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-18 16:03:58,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-12-18 16:03:58,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-12-18 16:03:58,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 16:03:58,707 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 16:03:58,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-12-18 16:03:58,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-12-18 16:03:58,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-18 16:03:58,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-18 16:03:58,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-18 16:03:58,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-18 16:03:58,708 INFO L130 BoogieDeclarations]: Found specification of procedure wrb_from_mccq [2021-12-18 16:03:58,708 INFO L138 BoogieDeclarations]: Found implementation of procedure wrb_from_mccq [2021-12-18 16:03:58,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_1 [2021-12-18 16:03:58,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_1 [2021-12-18 16:03:58,708 INFO L130 BoogieDeclarations]: Found specification of procedure be_sgl_destroy_contiguous [2021-12-18 16:03:58,708 INFO L138 BoogieDeclarations]: Found implementation of procedure be_sgl_destroy_contiguous [2021-12-18 16:03:58,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_2 [2021-12-18 16:03:58,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_2 [2021-12-18 16:03:58,709 INFO L130 BoogieDeclarations]: Found specification of procedure amap_set [2021-12-18 16:03:58,709 INFO L138 BoogieDeclarations]: Found implementation of procedure amap_set [2021-12-18 16:03:58,709 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-18 16:03:58,709 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-18 16:03:58,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-12-18 16:03:58,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-12-18 16:03:58,711 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_get [2021-12-18 16:03:58,711 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_get [2021-12-18 16:03:58,711 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_is_host_device [2021-12-18 16:03:58,712 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_is_host_device [2021-12-18 16:03:58,712 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_free_ep [2021-12-18 16:03:58,712 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_free_ep [2021-12-18 16:03:58,712 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_compl_process [2021-12-18 16:03:58,712 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_compl_process [2021-12-18 16:03:58,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_142 [2021-12-18 16:03:58,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_142 [2021-12-18 16:03:58,713 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_mccq_compl [2021-12-18 16:03:58,713 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_mccq_compl [2021-12-18 16:03:58,713 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_unmap_pci_function [2021-12-18 16:03:58,713 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_unmap_pci_function [2021-12-18 16:03:58,713 INFO L130 BoogieDeclarations]: Found specification of procedure embedded_payload [2021-12-18 16:03:58,713 INFO L138 BoogieDeclarations]: Found implementation of procedure embedded_payload [2021-12-18 16:03:58,714 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_build_be_sgl_arr [2021-12-18 16:03:58,714 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_build_be_sgl_arr [2021-12-18 16:03:58,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_146 [2021-12-18 16:03:58,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_146 [2021-12-18 16:03:58,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_0 [2021-12-18 16:03:58,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_0 [2021-12-18 16:03:58,714 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_get_macaddr [2021-12-18 16:03:58,715 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_get_macaddr [2021-12-18 16:03:58,715 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-18 16:03:58,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-18 16:03:58,715 INFO L130 BoogieDeclarations]: Found specification of procedure be_sgl_create_contiguous [2021-12-18 16:03:58,715 INFO L138 BoogieDeclarations]: Found implementation of procedure be_sgl_create_contiguous [2021-12-18 16:03:58,715 INFO L130 BoogieDeclarations]: Found specification of procedure be_chk_reset_complete [2021-12-18 16:03:58,715 INFO L138 BoogieDeclarations]: Found implementation of procedure be_chk_reset_complete [2021-12-18 16:03:58,716 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-18 16:03:58,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-18 16:03:58,716 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_boot_destroy_kset [2021-12-18 16:03:58,716 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_boot_destroy_kset [2021-12-18 16:03:58,716 INFO L130 BoogieDeclarations]: Found specification of procedure free_mgmt_sgl_handle [2021-12-18 16:03:58,716 INFO L138 BoogieDeclarations]: Found implementation of procedure free_mgmt_sgl_handle [2021-12-18 16:03:58,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-12-18 16:03:58,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-12-18 16:03:58,717 INFO L130 BoogieDeclarations]: Found specification of procedure be_mbox_notify [2021-12-18 16:03:58,717 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mbox_notify [2021-12-18 16:03:58,717 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2021-12-18 16:03:58,717 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2021-12-18 16:03:58,717 INFO L130 BoogieDeclarations]: Found specification of procedure mgmt_alloc_cmd_data [2021-12-18 16:03:58,717 INFO L138 BoogieDeclarations]: Found implementation of procedure mgmt_alloc_cmd_data [2021-12-18 16:03:58,718 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_bsg_request [2021-12-18 16:03:58,718 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_bsg_request [2021-12-18 16:03:58,718 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-18 16:03:58,718 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-18 16:03:58,718 INFO L130 BoogieDeclarations]: Found specification of procedure be_queue_alloc [2021-12-18 16:03:58,718 INFO L138 BoogieDeclarations]: Found implementation of procedure be_queue_alloc [2021-12-18 16:03:58,718 INFO L130 BoogieDeclarations]: Found specification of procedure shost_priv [2021-12-18 16:03:58,719 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_priv [2021-12-18 16:03:58,719 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-12-18 16:03:58,719 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-12-18 16:03:58,719 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_create_iface [2021-12-18 16:03:58,719 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_create_iface [2021-12-18 16:03:58,719 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_slave_configure [2021-12-18 16:03:58,719 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_slave_configure [2021-12-18 16:03:58,720 INFO L130 BoogieDeclarations]: Found specification of procedure queue_tail_node [2021-12-18 16:03:58,720 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_tail_node [2021-12-18 16:03:58,720 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-18 16:03:58,720 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-18 16:03:58,720 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-18 16:03:58,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-18 16:03:58,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 16:03:58,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 16:03:58,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 16:03:58,721 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_init_controller [2021-12-18 16:03:58,721 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_init_controller [2021-12-18 16:03:58,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-18 16:03:58,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-18 16:03:58,721 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-18 16:03:58,721 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-18 16:03:58,722 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_free_async_msg [2021-12-18 16:03:58,722 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_free_async_msg [2021-12-18 16:03:58,722 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_hdr_prepare [2021-12-18 16:03:58,722 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_hdr_prepare [2021-12-18 16:03:58,722 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_msix_enable [2021-12-18 16:03:58,722 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_msix_enable [2021-12-18 16:03:58,722 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bufflen [2021-12-18 16:03:58,723 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bufflen [2021-12-18 16:03:58,723 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-18 16:03:58,723 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-18 16:03:58,723 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_eh_abort [2021-12-18 16:03:58,723 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_eh_abort [2021-12-18 16:03:58,723 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2021-12-18 16:03:58,723 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2021-12-18 16:03:58,724 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-18 16:03:58,724 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-18 16:03:58,724 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_quiesce [2021-12-18 16:03:58,724 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_quiesce [2021-12-18 16:03:58,724 INFO L130 BoogieDeclarations]: Found specification of procedure blk_iopoll_enable [2021-12-18 16:03:58,724 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_iopoll_enable [2021-12-18 16:03:58,724 INFO L130 BoogieDeclarations]: Found specification of procedure blk_iopoll_disable [2021-12-18 16:03:58,724 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_iopoll_disable [2021-12-18 16:03:58,725 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_host_for_each_session [2021-12-18 16:03:58,725 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_host_for_each_session [2021-12-18 16:03:58,725 INFO L130 BoogieDeclarations]: Found specification of procedure blk_iopoll_sched_prep [2021-12-18 16:03:58,725 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_iopoll_sched_prep [2021-12-18 16:03:58,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 16:03:58,725 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_error [2021-12-18 16:03:58,725 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_error [2021-12-18 16:03:58,726 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-18 16:03:58,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-18 16:03:58,726 INFO L130 BoogieDeclarations]: Found specification of procedure be_fill_queue [2021-12-18 16:03:58,726 INFO L138 BoogieDeclarations]: Found implementation of procedure be_fill_queue [2021-12-18 16:03:58,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-18 16:03:58,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-18 16:03:58,726 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_get_params [2021-12-18 16:03:58,726 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_get_params [2021-12-18 16:03:58,727 INFO L130 BoogieDeclarations]: Found specification of procedure be_mcc_notify [2021-12-18 16:03:58,727 INFO L138 BoogieDeclarations]: Found implementation of procedure be_mcc_notify [2021-12-18 16:03:58,727 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_async_link_state_process [2021-12-18 16:03:58,727 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_async_link_state_process [2021-12-18 16:03:58,727 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-18 16:03:58,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-18 16:03:58,727 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_setup_boot_info [2021-12-18 16:03:58,728 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_setup_boot_info [2021-12-18 16:03:58,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-12-18 16:03:58,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-12-18 16:03:58,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-12-18 16:03:58,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-12-18 16:03:58,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-18 16:03:58,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-18 16:03:58,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-18 16:03:58,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-18 16:03:58,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_mgmt_sgl_lock_of_beiscsi_hba [2021-12-18 16:03:58,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_mgmt_sgl_lock_of_beiscsi_hba [2021-12-18 16:03:58,729 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_write_buffer [2021-12-18 16:03:58,729 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_write_buffer [2021-12-18 16:03:58,729 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_unmap [2021-12-18 16:03:58,729 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dma_unmap [2021-12-18 16:03:58,730 INFO L130 BoogieDeclarations]: Found specification of procedure be2iscsi_fail_session [2021-12-18 16:03:58,730 INFO L138 BoogieDeclarations]: Found implementation of procedure be2iscsi_fail_session [2021-12-18 16:03:58,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_143 [2021-12-18 16:03:58,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_143 [2021-12-18 16:03:58,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_147 [2021-12-18 16:03:58,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_147 [2021-12-18 16:03:58,730 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_shutdown [2021-12-18 16:03:58,730 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_shutdown [2021-12-18 16:03:58,731 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-12-18 16:03:58,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-12-18 16:03:58,731 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_destroy_iface [2021-12-18 16:03:58,731 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_destroy_iface [2021-12-18 16:03:58,731 INFO L130 BoogieDeclarations]: Found specification of procedure free_wrb_handle [2021-12-18 16:03:58,731 INFO L138 BoogieDeclarations]: Found implementation of procedure free_wrb_handle [2021-12-18 16:03:58,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-12-18 16:03:58,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-12-18 16:03:58,732 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_cmd_q_destroy [2021-12-18 16:03:58,732 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_cmd_q_destroy [2021-12-18 16:03:58,732 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 16:03:58,732 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 16:03:58,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_122 [2021-12-18 16:03:58,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_122 [2021-12-18 16:03:58,732 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_post_async_buffers [2021-12-18 16:03:58,733 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_post_async_buffers [2021-12-18 16:03:58,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-12-18 16:03:58,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-12-18 16:03:58,733 INFO L130 BoogieDeclarations]: Found specification of procedure be_complete_nopin_resp [2021-12-18 16:03:58,733 INFO L138 BoogieDeclarations]: Found implementation of procedure be_complete_nopin_resp [2021-12-18 16:03:58,733 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-18 16:03:58,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-18 16:03:58,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-12-18 16:03:58,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-12-18 16:03:58,734 INFO L130 BoogieDeclarations]: Found specification of procedure __ilog2_u32 [2021-12-18 16:03:58,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __ilog2_u32 [2021-12-18 16:03:58,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-18 16:03:58,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-18 16:03:58,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-12-18 16:03:58,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-12-18 16:03:58,735 INFO L130 BoogieDeclarations]: Found specification of procedure wrb_from_mbox [2021-12-18 16:03:58,735 INFO L138 BoogieDeclarations]: Found implementation of procedure wrb_from_mbox [2021-12-18 16:03:58,735 INFO L130 BoogieDeclarations]: Found specification of procedure be_cmd_create_default_pdu_queue [2021-12-18 16:03:58,735 INFO L138 BoogieDeclarations]: Found implementation of procedure be_cmd_create_default_pdu_queue [2021-12-18 16:03:58,735 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-18 16:03:58,735 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-18 16:03:58,735 INFO L130 BoogieDeclarations]: Found specification of procedure hwi_process_default_pdu_ring [2021-12-18 16:03:58,735 INFO L138 BoogieDeclarations]: Found implementation of procedure hwi_process_default_pdu_ring [2021-12-18 16:03:58,736 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-18 16:03:58,736 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-18 16:03:58,736 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-18 16:03:58,736 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-18 16:03:58,736 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_ep_disconnect [2021-12-18 16:03:58,736 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_ep_disconnect [2021-12-18 16:03:58,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 16:03:58,736 INFO L130 BoogieDeclarations]: Found specification of procedure beiscsi_free_mgmt_task_handles [2021-12-18 16:03:58,737 INFO L138 BoogieDeclarations]: Found implementation of procedure beiscsi_free_mgmt_task_handles [2021-12-18 16:04:00,740 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 16:04:00,745 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 16:04:00,817 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 16:04:23,675 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 16:04:23,725 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 16:04:23,725 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-18 16:04:23,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 04:04:23 BoogieIcfgContainer [2021-12-18 16:04:23,734 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 16:04:23,735 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 16:04:23,735 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 16:04:23,738 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 16:04:23,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 04:03:43" (1/3) ... [2021-12-18 16:04:23,740 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5082cbcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 04:04:23, skipping insertion in model container [2021-12-18 16:04:23,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:03:56" (2/3) ... [2021-12-18 16:04:23,740 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5082cbcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 04:04:23, skipping insertion in model container [2021-12-18 16:04:23,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 04:04:23" (3/3) ... [2021-12-18 16:04:23,741 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--scsi--be2iscsi--be2iscsi.ko.cil.i [2021-12-18 16:04:23,745 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 16:04:23,746 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2021-12-18 16:04:23,813 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 16:04:23,821 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 [2021-12-18 16:04:23,821 INFO L340 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2021-12-18 16:04:23,929 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) [2021-12-18 16:04:23,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-12-18 16:04:23,936 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:04:23,936 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] [2021-12-18 16:04:23,937 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)] === [2021-12-18 16:04:23,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:04:23,942 INFO L85 PathProgramCache]: Analyzing trace with hash -1512893199, now seen corresponding path program 1 times [2021-12-18 16:04:23,949 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:04:23,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138659455] [2021-12-18 16:04:23,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:04:23,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:04:24,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:04:24,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:04:24,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:04:24,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 16:04:24,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:04:24,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:04:24,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:04:25,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-18 16:04:25,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:04:25,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 16:04:25,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:04:25,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 16:04:25,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:04:25,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:04:25,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:04:25,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-18 16:04:25,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:04:25,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 16:04:25,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:04:25,133 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 16:04:25,133 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:04:25,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138659455] [2021-12-18 16:04:25,136 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138659455] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:04:25,136 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:04:25,136 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 16:04:25,137 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440811648] [2021-12-18 16:04:25,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:04:25,141 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 16:04:25,141 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:04:25,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 16:04:25,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 16:04:25,185 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) [2021-12-18 16:04:32,302 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:04:34,335 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:04:36,393 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:04:42,304 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:04:44,337 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:05:17,700 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-18 16:05:19,849 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-12-18 16:05:21,998 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-12-18 16:05:24,397 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:05:26,521 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:05:28,990 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-18 16:05:31,142 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-12-18 16:05:33,696 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:05:36,096 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:05:38,231 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:05:40,958 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:05:44,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:05:44,374 INFO L93 Difference]: Finished difference Result 20436 states and 31071 transitions. [2021-12-18 16:05:44,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-18 16:05:44,376 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 [2021-12-18 16:05:44,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:05:44,476 INFO L225 Difference]: With dead ends: 20436 [2021-12-18 16:05:44,476 INFO L226 Difference]: Without dead ends: 14034 [2021-12-18 16:05:44,535 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2021-12-18 16:05:44,538 INFO L933 BasicCegarLoop]: 11505 mSDtfsCounter, 24950 mSDsluCounter, 16894 mSDsCounter, 0 mSdLazyCounter, 25103 mSolverCounterSat, 19106 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 70.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25446 SdHoareTripleChecker+Valid, 28399 SdHoareTripleChecker+Invalid, 44225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 19106 IncrementalHoareTripleChecker+Valid, 25103 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 77.3s IncrementalHoareTripleChecker+Time [2021-12-18 16:05:44,540 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [25446 Valid, 28399 Invalid, 44225 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [19106 Valid, 25103 Invalid, 16 Unknown, 0 Unchecked, 77.3s Time] [2021-12-18 16:05:44,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14034 states. [2021-12-18 16:05:45,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14034 to 12532. [2021-12-18 16:05:45,457 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) [2021-12-18 16:05:45,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12532 states to 12532 states and 18379 transitions. [2021-12-18 16:05:45,544 INFO L78 Accepts]: Start accepts. Automaton has 12532 states and 18379 transitions. Word has length 62 [2021-12-18 16:05:45,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:05:45,545 INFO L470 AbstractCegarLoop]: Abstraction has 12532 states and 18379 transitions. [2021-12-18 16:05:45,546 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) [2021-12-18 16:05:45,546 INFO L276 IsEmpty]: Start isEmpty. Operand 12532 states and 18379 transitions. [2021-12-18 16:05:45,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-12-18 16:05:45,555 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:05:45,555 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] [2021-12-18 16:05:45,555 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 16:05:45,556 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)] === [2021-12-18 16:05:45,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:05:45,557 INFO L85 PathProgramCache]: Analyzing trace with hash 180805846, now seen corresponding path program 1 times [2021-12-18 16:05:45,557 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:05:45,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469518163] [2021-12-18 16:05:45,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:05:45,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:05:45,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:05:46,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:05:46,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:05:46,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 16:05:46,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:05:46,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:05:46,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:05:46,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-18 16:05:46,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:05:46,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 16:05:46,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:05:46,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 16:05:46,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:05:46,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:05:46,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:05:46,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-18 16:05:46,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:05:46,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 16:05:46,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:05:46,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 16:05:46,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:05:46,276 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 16:05:46,277 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:05:46,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469518163] [2021-12-18 16:05:46,277 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469518163] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:05:46,277 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:05:46,278 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 16:05:46,278 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580107644] [2021-12-18 16:05:46,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:05:46,280 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 16:05:46,280 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:05:46,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 16:05:46,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 16:05:46,281 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) [2021-12-18 16:05:52,929 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:05:54,956 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:06:11,662 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-18 16:06:13,806 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-12-18 16:06:15,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:06:15,220 INFO L93 Difference]: Finished difference Result 13842 states and 20571 transitions. [2021-12-18 16:06:15,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 16:06:15,220 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 [2021-12-18 16:06:15,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:06:15,296 INFO L225 Difference]: With dead ends: 13842 [2021-12-18 16:06:15,296 INFO L226 Difference]: Without dead ends: 13840 [2021-12-18 16:06:15,306 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 [2021-12-18 16:06:15,307 INFO L933 BasicCegarLoop]: 8117 mSDtfsCounter, 18385 mSDsluCounter, 9702 mSDsCounter, 0 mSdLazyCounter, 11533 mSolverCounterSat, 12027 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18891 SdHoareTripleChecker+Valid, 17819 SdHoareTripleChecker+Invalid, 23564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12027 IncrementalHoareTripleChecker+Valid, 11533 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.1s IncrementalHoareTripleChecker+Time [2021-12-18 16:06:15,307 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18891 Valid, 17819 Invalid, 23564 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12027 Valid, 11533 Invalid, 4 Unknown, 0 Unchecked, 28.1s Time] [2021-12-18 16:06:15,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13840 states. [2021-12-18 16:06:15,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13840 to 12530. [2021-12-18 16:06:15,882 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) [2021-12-18 16:06:15,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12530 states to 12530 states and 18377 transitions. [2021-12-18 16:06:15,942 INFO L78 Accepts]: Start accepts. Automaton has 12530 states and 18377 transitions. Word has length 68 [2021-12-18 16:06:15,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:06:15,944 INFO L470 AbstractCegarLoop]: Abstraction has 12530 states and 18377 transitions. [2021-12-18 16:06:15,944 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) [2021-12-18 16:06:15,945 INFO L276 IsEmpty]: Start isEmpty. Operand 12530 states and 18377 transitions. [2021-12-18 16:06:15,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-12-18 16:06:15,947 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:06:15,947 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] [2021-12-18 16:06:15,948 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 16:06:15,948 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)] === [2021-12-18 16:06:15,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:06:15,948 INFO L85 PathProgramCache]: Analyzing trace with hash 863234768, now seen corresponding path program 1 times [2021-12-18 16:06:15,949 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:06:15,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224804515] [2021-12-18 16:06:15,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:06:15,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:06:16,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:06:16,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:06:16,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:06:16,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 16:06:16,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:06:16,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:06:16,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:06:16,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-18 16:06:16,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:06:16,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 16:06:16,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:06:16,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 16:06:16,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:06:16,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:06:16,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:06:16,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-18 16:06:16,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:06:16,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 16:06:16,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:06:16,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 16:06:16,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:06:16,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-18 16:06:16,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:06:16,517 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 16:06:16,518 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:06:16,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224804515] [2021-12-18 16:06:16,518 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224804515] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:06:16,518 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:06:16,518 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 16:06:16,519 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710440609] [2021-12-18 16:06:16,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:06:16,519 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 16:06:16,519 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:06:16,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 16:06:16,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 16:06:16,520 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) [2021-12-18 16:06:22,134 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:06:24,187 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:06:43,298 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-12-18 16:06:44,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:06:44,704 INFO L93 Difference]: Finished difference Result 13840 states and 20569 transitions. [2021-12-18 16:06:44,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 16:06:44,705 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 [2021-12-18 16:06:44,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:06:44,762 INFO L225 Difference]: With dead ends: 13840 [2021-12-18 16:06:44,762 INFO L226 Difference]: Without dead ends: 13838 [2021-12-18 16:06:44,772 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 [2021-12-18 16:06:44,773 INFO L933 BasicCegarLoop]: 8166 mSDtfsCounter, 18239 mSDsluCounter, 9706 mSDsCounter, 0 mSdLazyCounter, 11586 mSolverCounterSat, 11994 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18745 SdHoareTripleChecker+Valid, 17872 SdHoareTripleChecker+Invalid, 23583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11994 IncrementalHoareTripleChecker+Valid, 11586 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.3s IncrementalHoareTripleChecker+Time [2021-12-18 16:06:44,773 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18745 Valid, 17872 Invalid, 23583 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11994 Valid, 11586 Invalid, 3 Unknown, 0 Unchecked, 27.3s Time] [2021-12-18 16:06:44,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13838 states. [2021-12-18 16:06:45,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13838 to 12528. [2021-12-18 16:06:45,298 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) [2021-12-18 16:06:45,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12528 states to 12528 states and 18375 transitions. [2021-12-18 16:06:45,355 INFO L78 Accepts]: Start accepts. Automaton has 12528 states and 18375 transitions. Word has length 74 [2021-12-18 16:06:45,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:06:45,355 INFO L470 AbstractCegarLoop]: Abstraction has 12528 states and 18375 transitions. [2021-12-18 16:06:45,356 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) [2021-12-18 16:06:45,356 INFO L276 IsEmpty]: Start isEmpty. Operand 12528 states and 18375 transitions. [2021-12-18 16:06:45,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-12-18 16:06:45,358 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:06:45,358 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] [2021-12-18 16:06:45,358 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 16:06:45,358 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)] === [2021-12-18 16:06:45,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:06:45,359 INFO L85 PathProgramCache]: Analyzing trace with hash -1074811650, now seen corresponding path program 1 times [2021-12-18 16:06:45,359 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:06:45,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083375382] [2021-12-18 16:06:45,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:06:45,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:06:45,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:06:45,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:06:45,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:06:45,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 16:06:45,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:06:45,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:06:45,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:06:45,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-18 16:06:45,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:06:45,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 16:06:45,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:06:45,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 16:06:45,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:06:45,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:06:45,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:06:45,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-18 16:06:45,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:06:45,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 16:06:45,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:06:45,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 16:06:45,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:06:45,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-18 16:06:45,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:06:45,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 16:06:45,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:06:45,927 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 16:06:45,927 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:06:45,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083375382] [2021-12-18 16:06:45,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083375382] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:06:45,928 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:06:45,928 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 16:06:45,928 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060952050] [2021-12-18 16:06:45,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:06:45,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 16:06:45,929 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:06:45,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 16:06:45,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 16:06:45,930 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) [2021-12-18 16:06:51,655 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:06:53,707 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:07:12,102 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-12-18 16:07:14,253 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-18 16:07:16,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:07:16,077 INFO L93 Difference]: Finished difference Result 13838 states and 20567 transitions. [2021-12-18 16:07:16,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 16:07:16,078 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 [2021-12-18 16:07:16,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:07:16,140 INFO L225 Difference]: With dead ends: 13838 [2021-12-18 16:07:16,141 INFO L226 Difference]: Without dead ends: 13836 [2021-12-18 16:07:16,154 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 [2021-12-18 16:07:16,155 INFO L933 BasicCegarLoop]: 8157 mSDtfsCounter, 18264 mSDsluCounter, 9714 mSDsCounter, 0 mSdLazyCounter, 11564 mSolverCounterSat, 12009 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18765 SdHoareTripleChecker+Valid, 17871 SdHoareTripleChecker+Invalid, 23577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12009 IncrementalHoareTripleChecker+Valid, 11564 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.3s IncrementalHoareTripleChecker+Time [2021-12-18 16:07:16,156 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18765 Valid, 17871 Invalid, 23577 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12009 Valid, 11564 Invalid, 4 Unknown, 0 Unchecked, 29.3s Time] [2021-12-18 16:07:16,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13836 states. [2021-12-18 16:07:16,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13836 to 12526. [2021-12-18 16:07:16,745 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) [2021-12-18 16:07:16,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12526 states to 12526 states and 18373 transitions. [2021-12-18 16:07:16,801 INFO L78 Accepts]: Start accepts. Automaton has 12526 states and 18373 transitions. Word has length 80 [2021-12-18 16:07:16,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:07:16,802 INFO L470 AbstractCegarLoop]: Abstraction has 12526 states and 18373 transitions. [2021-12-18 16:07:16,802 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) [2021-12-18 16:07:16,802 INFO L276 IsEmpty]: Start isEmpty. Operand 12526 states and 18373 transitions. [2021-12-18 16:07:16,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-12-18 16:07:16,803 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:07:16,803 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] [2021-12-18 16:07:16,804 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 16:07:16,805 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)] === [2021-12-18 16:07:16,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:07:16,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1907803856, now seen corresponding path program 1 times [2021-12-18 16:07:16,805 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:07:16,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062868558] [2021-12-18 16:07:16,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:07:16,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:07:16,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:07:17,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:07:17,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:07:17,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 16:07:17,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:07:17,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:07:17,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:07:17,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-18 16:07:17,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:07:17,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 16:07:17,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:07:17,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 16:07:17,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:07:17,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:07:17,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:07:17,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-18 16:07:17,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:07:17,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 16:07:17,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:07:17,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 16:07:17,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:07:17,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-18 16:07:17,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:07:17,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 16:07:17,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:07:17,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 16:07:17,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:07:17,318 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 16:07:17,319 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:07:17,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062868558] [2021-12-18 16:07:17,319 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062868558] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:07:17,319 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:07:17,319 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 16:07:17,319 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903563564] [2021-12-18 16:07:17,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:07:17,320 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 16:07:17,320 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:07:17,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 16:07:17,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 16:07:17,321 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) [2021-12-18 16:07:23,504 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:07:25,561 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:07:42,794 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-12-18 16:07:44,940 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-18 16:07:47,159 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:07:49,536 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:07:50,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:07:50,514 INFO L93 Difference]: Finished difference Result 13836 states and 20565 transitions. [2021-12-18 16:07:50,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 16:07:50,515 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 [2021-12-18 16:07:50,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:07:50,571 INFO L225 Difference]: With dead ends: 13836 [2021-12-18 16:07:50,572 INFO L226 Difference]: Without dead ends: 13834 [2021-12-18 16:07:50,584 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 [2021-12-18 16:07:50,586 INFO L933 BasicCegarLoop]: 8196 mSDtfsCounter, 18127 mSDsluCounter, 9708 mSDsCounter, 0 mSdLazyCounter, 11605 mSolverCounterSat, 11992 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18631 SdHoareTripleChecker+Valid, 17904 SdHoareTripleChecker+Invalid, 23603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11992 IncrementalHoareTripleChecker+Valid, 11605 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.4s IncrementalHoareTripleChecker+Time [2021-12-18 16:07:50,586 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18631 Valid, 17904 Invalid, 23603 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11992 Valid, 11605 Invalid, 6 Unknown, 0 Unchecked, 32.4s Time] [2021-12-18 16:07:50,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13834 states. [2021-12-18 16:07:51,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13834 to 12524. [2021-12-18 16:07:51,115 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) [2021-12-18 16:07:51,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12524 states to 12524 states and 18371 transitions. [2021-12-18 16:07:51,175 INFO L78 Accepts]: Start accepts. Automaton has 12524 states and 18371 transitions. Word has length 86 [2021-12-18 16:07:51,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:07:51,176 INFO L470 AbstractCegarLoop]: Abstraction has 12524 states and 18371 transitions. [2021-12-18 16:07:51,176 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) [2021-12-18 16:07:51,176 INFO L276 IsEmpty]: Start isEmpty. Operand 12524 states and 18371 transitions. [2021-12-18 16:07:51,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-12-18 16:07:51,181 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:07:51,181 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] [2021-12-18 16:07:51,182 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 16:07:51,182 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)] === [2021-12-18 16:07:51,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:07:51,183 INFO L85 PathProgramCache]: Analyzing trace with hash -1567884470, now seen corresponding path program 1 times [2021-12-18 16:07:51,183 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:07:51,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286973998] [2021-12-18 16:07:51,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:07:51,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:07:51,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:07:51,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:07:51,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:07:51,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 16:07:51,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:07:51,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:07:51,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:07:51,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-18 16:07:51,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:07:51,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 16:07:51,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:07:51,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 16:07:51,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:07:51,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:07:51,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:07:51,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-18 16:07:51,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:07:51,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 16:07:51,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:07:51,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 16:07:51,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:07:51,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-18 16:07:51,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:07:51,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 16:07:51,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:07:51,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 16:07:51,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:07:51,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 16:07:51,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:07:51,692 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 16:07:51,692 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:07:51,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286973998] [2021-12-18 16:07:51,692 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286973998] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:07:51,692 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:07:51,692 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 16:07:51,693 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694319551] [2021-12-18 16:07:51,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:07:51,694 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 16:07:51,694 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:07:51,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 16:07:51,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 16:07:51,694 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) [2021-12-18 16:07:57,032 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:07:59,093 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:08:19,423 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-12-18 16:08:21,579 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-18 16:08:23,802 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:08:26,290 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:08:27,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:08:27,552 INFO L93 Difference]: Finished difference Result 13834 states and 20563 transitions. [2021-12-18 16:08:27,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 16:08:27,553 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 [2021-12-18 16:08:27,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:08:27,618 INFO L225 Difference]: With dead ends: 13834 [2021-12-18 16:08:27,618 INFO L226 Difference]: Without dead ends: 13832 [2021-12-18 16:08:27,633 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 [2021-12-18 16:08:27,634 INFO L933 BasicCegarLoop]: 8144 mSDtfsCounter, 18263 mSDsluCounter, 9709 mSDsCounter, 0 mSdLazyCounter, 11577 mSolverCounterSat, 11994 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18763 SdHoareTripleChecker+Valid, 17853 SdHoareTripleChecker+Invalid, 23577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11994 IncrementalHoareTripleChecker+Valid, 11577 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.9s IncrementalHoareTripleChecker+Time [2021-12-18 16:08:27,634 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18763 Valid, 17853 Invalid, 23577 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11994 Valid, 11577 Invalid, 6 Unknown, 0 Unchecked, 34.9s Time] [2021-12-18 16:08:27,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13832 states. [2021-12-18 16:08:28,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13832 to 12522. [2021-12-18 16:08:28,223 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) [2021-12-18 16:08:28,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12522 states to 12522 states and 18369 transitions. [2021-12-18 16:08:28,279 INFO L78 Accepts]: Start accepts. Automaton has 12522 states and 18369 transitions. Word has length 92 [2021-12-18 16:08:28,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:08:28,279 INFO L470 AbstractCegarLoop]: Abstraction has 12522 states and 18369 transitions. [2021-12-18 16:08:28,280 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) [2021-12-18 16:08:28,280 INFO L276 IsEmpty]: Start isEmpty. Operand 12522 states and 18369 transitions. [2021-12-18 16:08:28,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-12-18 16:08:28,281 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:08:28,281 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] [2021-12-18 16:08:28,281 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-18 16:08:28,282 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)] === [2021-12-18 16:08:28,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:08:28,282 INFO L85 PathProgramCache]: Analyzing trace with hash -7583731, now seen corresponding path program 1 times [2021-12-18 16:08:28,282 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:08:28,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32460240] [2021-12-18 16:08:28,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:08:28,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:08:28,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:08:28,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:08:28,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:08:28,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 16:08:28,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:08:28,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:08:28,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:08:28,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-18 16:08:28,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:08:28,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 16:08:28,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:08:28,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 16:08:28,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:08:28,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:08:28,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:08:28,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-18 16:08:28,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:08:28,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 16:08:28,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:08:28,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-18 16:08:28,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:08:28,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-18 16:08:28,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:08:28,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:08:28,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:08:28,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:08:28,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:08:28,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:08:28,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:08:28,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 16:08:28,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:08:28,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 16:08:28,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:08:28,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-18 16:08:28,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:08:28,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 16:08:28,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:08:28,833 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2021-12-18 16:08:28,834 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:08:28,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32460240] [2021-12-18 16:08:28,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32460240] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:08:28,834 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:08:28,834 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 16:08:28,834 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146480835] [2021-12-18 16:08:28,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:08:28,835 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 16:08:28,835 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:08:28,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 16:08:28,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 16:08:28,836 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) [2021-12-18 16:08:33,143 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:08:46,343 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-18 16:08:47,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:08:47,592 INFO L93 Difference]: Finished difference Result 26323 states and 38890 transitions. [2021-12-18 16:08:47,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 16:08:47,593 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 [2021-12-18 16:08:47,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:08:47,658 INFO L225 Difference]: With dead ends: 26323 [2021-12-18 16:08:47,659 INFO L226 Difference]: Without dead ends: 13826 [2021-12-18 16:08:47,711 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 [2021-12-18 16:08:47,712 INFO L933 BasicCegarLoop]: 7575 mSDtfsCounter, 18485 mSDsluCounter, 5490 mSDsCounter, 0 mSdLazyCounter, 6660 mSolverCounterSat, 12049 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18994 SdHoareTripleChecker+Valid, 13065 SdHoareTripleChecker+Invalid, 18711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12049 IncrementalHoareTripleChecker+Valid, 6660 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.9s IncrementalHoareTripleChecker+Time [2021-12-18 16:08:47,712 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18994 Valid, 13065 Invalid, 18711 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12049 Valid, 6660 Invalid, 2 Unknown, 0 Unchecked, 17.9s Time] [2021-12-18 16:08:47,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13826 states. [2021-12-18 16:08:48,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13826 to 12516. [2021-12-18 16:08:48,231 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) [2021-12-18 16:08:48,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12516 states to 12516 states and 18360 transitions. [2021-12-18 16:08:48,279 INFO L78 Accepts]: Start accepts. Automaton has 12516 states and 18360 transitions. Word has length 109 [2021-12-18 16:08:48,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:08:48,279 INFO L470 AbstractCegarLoop]: Abstraction has 12516 states and 18360 transitions. [2021-12-18 16:08:48,280 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) [2021-12-18 16:08:48,280 INFO L276 IsEmpty]: Start isEmpty. Operand 12516 states and 18360 transitions. [2021-12-18 16:08:48,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-12-18 16:08:48,283 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:08:48,283 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] [2021-12-18 16:08:48,283 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-18 16:08:48,284 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)] === [2021-12-18 16:08:48,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:08:48,284 INFO L85 PathProgramCache]: Analyzing trace with hash -977457422, now seen corresponding path program 1 times [2021-12-18 16:08:48,284 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:08:48,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390560392] [2021-12-18 16:08:48,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:08:48,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:08:48,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:08:48,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:08:48,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:08:48,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 16:08:48,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:08:48,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:08:48,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:08:48,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-18 16:08:48,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:08:48,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 16:08:48,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:08:48,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 16:08:48,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:08:48,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:08:48,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:08:48,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-18 16:08:48,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:08:48,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 16:08:48,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:08:48,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 16:08:48,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:08:48,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-18 16:08:48,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:08:48,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 16:08:48,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:08:48,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 16:08:48,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:08:48,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 16:08:48,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:08:48,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-18 16:08:48,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:08:48,880 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 16:08:48,881 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:08:48,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390560392] [2021-12-18 16:08:48,881 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390560392] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:08:48,881 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:08:48,881 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 16:08:48,882 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214103149] [2021-12-18 16:08:48,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:08:48,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 16:08:48,882 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:08:48,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 16:08:48,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 16:08:48,883 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) [2021-12-18 16:08:54,500 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:08:56,560 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:09:16,744 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-12-18 16:09:21,076 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-18 16:09:22,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:09:22,802 INFO L93 Difference]: Finished difference Result 13826 states and 20552 transitions. [2021-12-18 16:09:22,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 16:09:22,802 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 [2021-12-18 16:09:22,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:09:22,858 INFO L225 Difference]: With dead ends: 13826 [2021-12-18 16:09:22,859 INFO L226 Difference]: Without dead ends: 13824 [2021-12-18 16:09:22,872 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 [2021-12-18 16:09:22,873 INFO L933 BasicCegarLoop]: 8150 mSDtfsCounter, 18220 mSDsluCounter, 9719 mSDsCounter, 0 mSdLazyCounter, 11561 mSolverCounterSat, 12002 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18716 SdHoareTripleChecker+Valid, 17869 SdHoareTripleChecker+Invalid, 23567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12002 IncrementalHoareTripleChecker+Valid, 11561 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.9s IncrementalHoareTripleChecker+Time [2021-12-18 16:09:22,873 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18716 Valid, 17869 Invalid, 23567 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12002 Valid, 11561 Invalid, 4 Unknown, 0 Unchecked, 32.9s Time] [2021-12-18 16:09:22,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13824 states. [2021-12-18 16:09:23,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13824 to 12514. [2021-12-18 16:09:23,482 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) [2021-12-18 16:09:23,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12514 states to 12514 states and 18358 transitions. [2021-12-18 16:09:23,522 INFO L78 Accepts]: Start accepts. Automaton has 12514 states and 18358 transitions. Word has length 98 [2021-12-18 16:09:23,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:09:23,523 INFO L470 AbstractCegarLoop]: Abstraction has 12514 states and 18358 transitions. [2021-12-18 16:09:23,523 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) [2021-12-18 16:09:23,523 INFO L276 IsEmpty]: Start isEmpty. Operand 12514 states and 18358 transitions. [2021-12-18 16:09:23,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-12-18 16:09:23,525 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:09:23,525 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] [2021-12-18 16:09:23,525 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-18 16:09:23,525 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)] === [2021-12-18 16:09:23,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:09:23,526 INFO L85 PathProgramCache]: Analyzing trace with hash 1632917495, now seen corresponding path program 1 times [2021-12-18 16:09:23,526 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:09:23,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595002095] [2021-12-18 16:09:23,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:09:23,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:09:23,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:09:23,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:09:23,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:09:23,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 16:09:23,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:09:23,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:09:23,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:09:23,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-18 16:09:23,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:09:23,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 16:09:23,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:09:23,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 16:09:23,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:09:23,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:09:23,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:09:23,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-18 16:09:23,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:09:23,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 16:09:23,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:09:23,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 16:09:23,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:09:23,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-18 16:09:23,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:09:23,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 16:09:23,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:09:24,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 16:09:24,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:09:24,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 16:09:24,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:09:24,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-18 16:09:24,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:09:24,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-18 16:09:24,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:09:24,055 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 16:09:24,055 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:09:24,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595002095] [2021-12-18 16:09:24,056 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595002095] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:09:24,056 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:09:24,056 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 16:09:24,056 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529178754] [2021-12-18 16:09:24,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:09:24,057 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 16:09:24,057 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:09:24,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 16:09:24,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 16:09:24,058 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) [2021-12-18 16:09:29,211 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:09:31,274 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:09:49,482 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-12-18 16:09:51,636 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-18 16:09:53,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:09:53,148 INFO L93 Difference]: Finished difference Result 13824 states and 20550 transitions. [2021-12-18 16:09:53,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 16:09:53,149 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 [2021-12-18 16:09:53,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:09:53,197 INFO L225 Difference]: With dead ends: 13824 [2021-12-18 16:09:53,198 INFO L226 Difference]: Without dead ends: 13822 [2021-12-18 16:09:53,208 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 [2021-12-18 16:09:53,209 INFO L933 BasicCegarLoop]: 8070 mSDtfsCounter, 18417 mSDsluCounter, 9703 mSDsCounter, 0 mSdLazyCounter, 11480 mSolverCounterSat, 12023 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18917 SdHoareTripleChecker+Valid, 17773 SdHoareTripleChecker+Invalid, 23507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12023 IncrementalHoareTripleChecker+Valid, 11480 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.2s IncrementalHoareTripleChecker+Time [2021-12-18 16:09:53,209 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18917 Valid, 17773 Invalid, 23507 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12023 Valid, 11480 Invalid, 4 Unknown, 0 Unchecked, 28.2s Time] [2021-12-18 16:09:53,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13822 states. [2021-12-18 16:09:53,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13822 to 12512. [2021-12-18 16:09:53,741 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) [2021-12-18 16:09:53,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12512 states to 12512 states and 18356 transitions. [2021-12-18 16:09:53,781 INFO L78 Accepts]: Start accepts. Automaton has 12512 states and 18356 transitions. Word has length 104 [2021-12-18 16:09:53,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:09:53,782 INFO L470 AbstractCegarLoop]: Abstraction has 12512 states and 18356 transitions. [2021-12-18 16:09:53,782 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) [2021-12-18 16:09:53,782 INFO L276 IsEmpty]: Start isEmpty. Operand 12512 states and 18356 transitions. [2021-12-18 16:09:53,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-12-18 16:09:53,784 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:09:53,784 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] [2021-12-18 16:09:53,784 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-18 16:09:53,784 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)] === [2021-12-18 16:09:53,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:09:53,785 INFO L85 PathProgramCache]: Analyzing trace with hash 2140868478, now seen corresponding path program 1 times [2021-12-18 16:09:53,785 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:09:53,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766320216] [2021-12-18 16:09:53,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:09:53,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:09:53,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:09:54,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:09:54,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:09:54,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 16:09:54,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:09:54,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:09:54,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:09:54,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-18 16:09:54,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:09:54,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 16:09:54,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:09:54,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 16:09:54,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:09:54,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:09:54,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:09:54,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-18 16:09:54,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:09:54,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 16:09:54,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:09:54,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-18 16:09:54,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:09:54,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-18 16:09:54,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:09:54,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:09:54,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:09:54,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:09:54,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:09:54,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:09:54,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:09:54,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 16:09:54,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:09:54,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 16:09:54,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:09:54,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-18 16:09:54,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:09:54,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 16:09:54,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:09:54,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-18 16:09:54,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:09:54,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:09:54,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:09:54,538 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-12-18 16:09:54,538 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:09:54,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766320216] [2021-12-18 16:09:54,538 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766320216] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 16:09:54,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1091138079] [2021-12-18 16:09:54,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:09:54,539 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 16:09:54,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 16:09:54,541 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) [2021-12-18 16:09:54,544 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-18 16:09:56,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:09:56,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 8713 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-18 16:09:56,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 16:09:57,034 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2021-12-18 16:09:57,034 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 16:09:57,035 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1091138079] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:09:57,035 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 16:09:57,035 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2021-12-18 16:09:57,035 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139769719] [2021-12-18 16:09:57,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:09:57,036 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 16:09:57,036 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:09:57,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 16:09:57,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-12-18 16:09:57,037 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) [2021-12-18 16:09:57,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:09:57,508 INFO L93 Difference]: Finished difference Result 24993 states and 36672 transitions. [2021-12-18 16:09:57,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 16:09:57,508 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 [2021-12-18 16:09:57,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:09:57,546 INFO L225 Difference]: With dead ends: 24993 [2021-12-18 16:09:57,546 INFO L226 Difference]: Without dead ends: 12506 [2021-12-18 16:09:57,591 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 153 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-12-18 16:09:57,592 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 [2021-12-18 16:09:57,592 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] [2021-12-18 16:09:57,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12506 states. [2021-12-18 16:09:58,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12506 to 12506. [2021-12-18 16:09:58,045 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) [2021-12-18 16:09:58,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12506 states to 12506 states and 18347 transitions. [2021-12-18 16:09:58,090 INFO L78 Accepts]: Start accepts. Automaton has 12506 states and 18347 transitions. Word has length 118 [2021-12-18 16:09:58,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:09:58,091 INFO L470 AbstractCegarLoop]: Abstraction has 12506 states and 18347 transitions. [2021-12-18 16:09:58,091 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) [2021-12-18 16:09:58,091 INFO L276 IsEmpty]: Start isEmpty. Operand 12506 states and 18347 transitions. [2021-12-18 16:09:58,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-12-18 16:09:58,093 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:09:58,093 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] [2021-12-18 16:09:58,127 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-12-18 16:09:58,294 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 [2021-12-18 16:09:58,294 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)] === [2021-12-18 16:09:58,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:09:58,294 INFO L85 PathProgramCache]: Analyzing trace with hash 1570967098, now seen corresponding path program 1 times [2021-12-18 16:09:58,295 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:09:58,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454852197] [2021-12-18 16:09:58,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:09:58,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:09:58,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:09:58,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:09:58,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:09:58,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 16:09:58,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:09:58,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:09:58,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:09:58,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-18 16:09:58,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:09:58,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 16:09:58,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:09:58,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 16:09:58,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:09:58,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:09:58,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:09:58,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-18 16:09:58,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:09:58,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 16:09:58,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:09:58,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 16:09:58,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:09:58,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-18 16:09:58,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:09:58,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 16:09:58,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:09:58,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 16:09:58,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:09:58,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 16:09:58,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:09:58,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-18 16:09:58,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:09:58,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-18 16:09:58,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:09:58,952 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 16:09:58,952 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:09:58,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454852197] [2021-12-18 16:09:58,952 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454852197] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:09:58,952 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:09:58,953 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 16:09:58,953 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972156361] [2021-12-18 16:09:58,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:09:58,953 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 16:09:58,953 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:09:58,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 16:09:58,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 16:09:58,955 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) [2021-12-18 16:10:04,345 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:10:06,382 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:10:23,641 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:10:25,758 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:10:29,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:10:29,879 INFO L93 Difference]: Finished difference Result 13816 states and 20539 transitions. [2021-12-18 16:10:29,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 16:10:29,879 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 [2021-12-18 16:10:29,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:10:29,920 INFO L225 Difference]: With dead ends: 13816 [2021-12-18 16:10:29,920 INFO L226 Difference]: Without dead ends: 13814 [2021-12-18 16:10:29,926 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 [2021-12-18 16:10:29,927 INFO L933 BasicCegarLoop]: 8116 mSDtfsCounter, 18245 mSDsluCounter, 9712 mSDsCounter, 0 mSdLazyCounter, 11528 mSolverCounterSat, 12011 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18742 SdHoareTripleChecker+Valid, 17828 SdHoareTripleChecker+Invalid, 23543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12011 IncrementalHoareTripleChecker+Valid, 11528 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.0s IncrementalHoareTripleChecker+Time [2021-12-18 16:10:29,927 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18742 Valid, 17828 Invalid, 23543 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12011 Valid, 11528 Invalid, 4 Unknown, 0 Unchecked, 30.0s Time] [2021-12-18 16:10:29,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13814 states. [2021-12-18 16:10:30,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13814 to 12504. [2021-12-18 16:10:30,379 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) [2021-12-18 16:10:30,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12504 states to 12504 states and 18345 transitions. [2021-12-18 16:10:30,421 INFO L78 Accepts]: Start accepts. Automaton has 12504 states and 18345 transitions. Word has length 106 [2021-12-18 16:10:30,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:10:30,422 INFO L470 AbstractCegarLoop]: Abstraction has 12504 states and 18345 transitions. [2021-12-18 16:10:30,422 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) [2021-12-18 16:10:30,422 INFO L276 IsEmpty]: Start isEmpty. Operand 12504 states and 18345 transitions. [2021-12-18 16:10:30,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-12-18 16:10:30,424 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:10:30,424 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] [2021-12-18 16:10:30,424 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-18 16:10:30,425 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)] === [2021-12-18 16:10:30,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:10:30,425 INFO L85 PathProgramCache]: Analyzing trace with hash 2090158817, now seen corresponding path program 1 times [2021-12-18 16:10:30,425 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:10:30,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353901539] [2021-12-18 16:10:30,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:10:30,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:10:30,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:10:30,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:10:30,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:10:30,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 16:10:30,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:10:30,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:10:30,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:10:30,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-18 16:10:30,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:10:30,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 16:10:30,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:10:30,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 16:10:30,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:10:30,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:10:30,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:10:30,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-18 16:10:30,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:10:30,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 16:10:30,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:10:30,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-18 16:10:30,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:10:30,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-18 16:10:30,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:10:31,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:10:31,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:10:31,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:10:31,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:10:31,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:10:31,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:10:31,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 16:10:31,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:10:31,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 16:10:31,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:10:31,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-18 16:10:31,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:10:31,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 16:10:31,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:10:31,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 16:10:31,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:10:31,124 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-12-18 16:10:31,124 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:10:31,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353901539] [2021-12-18 16:10:31,124 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353901539] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:10:31,124 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:10:31,125 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 16:10:31,125 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337762206] [2021-12-18 16:10:31,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:10:31,125 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 16:10:31,125 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:10:31,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 16:10:31,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-18 16:10:31,126 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) [2021-12-18 16:10:38,248 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:10:40,279 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:10:42,346 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:11:02,902 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:11:05,016 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:11:07,134 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:11:13,091 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-18 16:11:15,211 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-12-18 16:11:17,366 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-12-18 16:11:19,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:11:19,166 INFO L93 Difference]: Finished difference Result 13874 states and 20589 transitions. [2021-12-18 16:11:19,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-18 16:11:19,166 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 [2021-12-18 16:11:19,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:11:19,202 INFO L225 Difference]: With dead ends: 13874 [2021-12-18 16:11:19,202 INFO L226 Difference]: Without dead ends: 13872 [2021-12-18 16:11:19,208 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 43 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2021-12-18 16:11:19,209 INFO L933 BasicCegarLoop]: 8117 mSDtfsCounter, 18272 mSDsluCounter, 13775 mSDsCounter, 0 mSdLazyCounter, 17076 mSolverCounterSat, 11998 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18764 SdHoareTripleChecker+Valid, 21892 SdHoareTripleChecker+Invalid, 29083 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 11998 IncrementalHoareTripleChecker+Valid, 17076 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.8s IncrementalHoareTripleChecker+Time [2021-12-18 16:11:19,209 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18764 Valid, 21892 Invalid, 29083 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [11998 Valid, 17076 Invalid, 9 Unknown, 0 Unchecked, 46.8s Time] [2021-12-18 16:11:19,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13872 states. [2021-12-18 16:11:19,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13872 to 12560. [2021-12-18 16:11:19,699 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) [2021-12-18 16:11:19,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12560 states to 12560 states and 18393 transitions. [2021-12-18 16:11:19,751 INFO L78 Accepts]: Start accepts. Automaton has 12560 states and 18393 transitions. Word has length 125 [2021-12-18 16:11:19,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:11:19,752 INFO L470 AbstractCegarLoop]: Abstraction has 12560 states and 18393 transitions. [2021-12-18 16:11:19,752 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) [2021-12-18 16:11:19,752 INFO L276 IsEmpty]: Start isEmpty. Operand 12560 states and 18393 transitions. [2021-12-18 16:11:19,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-12-18 16:11:19,755 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:11:19,755 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] [2021-12-18 16:11:19,755 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-18 16:11:19,755 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)] === [2021-12-18 16:11:19,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:11:19,756 INFO L85 PathProgramCache]: Analyzing trace with hash -1521958083, now seen corresponding path program 1 times [2021-12-18 16:11:19,756 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:11:19,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330756129] [2021-12-18 16:11:19,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:11:19,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:11:19,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:11:20,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:11:20,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:11:20,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 16:11:20,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:11:20,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:11:20,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:11:20,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-18 16:11:20,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:11:20,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 16:11:20,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:11:20,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 16:11:20,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:11:20,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:11:20,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:11:20,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-18 16:11:20,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:11:20,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 16:11:20,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:11:20,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 16:11:20,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:11:20,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-18 16:11:20,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:11:20,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 16:11:20,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:11:20,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 16:11:20,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:11:20,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 16:11:20,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:11:20,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-18 16:11:20,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:11:20,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-18 16:11:20,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:11:20,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-18 16:11:20,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:11:20,325 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 16:11:20,325 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:11:20,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330756129] [2021-12-18 16:11:20,326 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330756129] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:11:20,326 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:11:20,326 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 16:11:20,326 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280696794] [2021-12-18 16:11:20,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:11:20,327 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 16:11:20,327 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:11:20,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 16:11:20,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 16:11:20,328 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) [2021-12-18 16:11:26,632 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:11:28,652 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:11:47,798 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:11:49,915 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:11:56,340 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-18 16:11:58,509 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-12-18 16:12:00,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:12:00,393 INFO L93 Difference]: Finished difference Result 13870 states and 20585 transitions. [2021-12-18 16:12:00,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 16:12:00,394 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 [2021-12-18 16:12:00,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:12:00,433 INFO L225 Difference]: With dead ends: 13870 [2021-12-18 16:12:00,434 INFO L226 Difference]: Without dead ends: 13868 [2021-12-18 16:12:00,441 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 [2021-12-18 16:12:00,442 INFO L933 BasicCegarLoop]: 8121 mSDtfsCounter, 18200 mSDsluCounter, 9704 mSDsCounter, 0 mSdLazyCounter, 11524 mSolverCounterSat, 12036 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18698 SdHoareTripleChecker+Valid, 17825 SdHoareTripleChecker+Invalid, 23566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 12036 IncrementalHoareTripleChecker+Valid, 11524 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.8s IncrementalHoareTripleChecker+Time [2021-12-18 16:12:00,442 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18698 Valid, 17825 Invalid, 23566 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [12036 Valid, 11524 Invalid, 6 Unknown, 0 Unchecked, 38.8s Time] [2021-12-18 16:12:00,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13868 states. [2021-12-18 16:12:00,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13868 to 12558. [2021-12-18 16:12:00,976 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) [2021-12-18 16:12:01,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12558 states to 12558 states and 18391 transitions. [2021-12-18 16:12:01,024 INFO L78 Accepts]: Start accepts. Automaton has 12558 states and 18391 transitions. Word has length 112 [2021-12-18 16:12:01,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:12:01,024 INFO L470 AbstractCegarLoop]: Abstraction has 12558 states and 18391 transitions. [2021-12-18 16:12:01,024 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) [2021-12-18 16:12:01,024 INFO L276 IsEmpty]: Start isEmpty. Operand 12558 states and 18391 transitions. [2021-12-18 16:12:01,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-12-18 16:12:01,026 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:12:01,027 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] [2021-12-18 16:12:01,027 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-18 16:12:01,027 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)] === [2021-12-18 16:12:01,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:12:01,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1327297945, now seen corresponding path program 1 times [2021-12-18 16:12:01,028 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:12:01,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802131683] [2021-12-18 16:12:01,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:12:01,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:12:01,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:01,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:12:01,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:01,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 16:12:01,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:01,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:12:01,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:01,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-18 16:12:01,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:01,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 16:12:01,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:01,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 16:12:01,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:01,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:12:01,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:01,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-18 16:12:01,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:01,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 16:12:01,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:01,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 16:12:01,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:01,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-18 16:12:01,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:01,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 16:12:01,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:01,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 16:12:01,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:01,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 16:12:01,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:01,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-18 16:12:01,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:01,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-18 16:12:01,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:01,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-18 16:12:01,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:01,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-18 16:12:01,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:01,506 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 16:12:01,506 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:12:01,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802131683] [2021-12-18 16:12:01,507 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802131683] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:12:01,507 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:12:01,507 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 16:12:01,507 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447770698] [2021-12-18 16:12:01,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:12:01,508 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 16:12:01,508 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:12:01,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 16:12:01,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 16:12:01,509 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) [2021-12-18 16:12:07,264 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:12:09,329 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:12:25,516 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:12:31,006 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:12:32,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:12:32,564 INFO L93 Difference]: Finished difference Result 13868 states and 20583 transitions. [2021-12-18 16:12:32,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 16:12:32,565 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 [2021-12-18 16:12:32,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:12:32,614 INFO L225 Difference]: With dead ends: 13868 [2021-12-18 16:12:32,615 INFO L226 Difference]: Without dead ends: 13866 [2021-12-18 16:12:32,624 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 [2021-12-18 16:12:32,625 INFO L933 BasicCegarLoop]: 8134 mSDtfsCounter, 18162 mSDsluCounter, 9708 mSDsCounter, 0 mSdLazyCounter, 11531 mSolverCounterSat, 12012 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18660 SdHoareTripleChecker+Valid, 17842 SdHoareTripleChecker+Invalid, 23547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12012 IncrementalHoareTripleChecker+Valid, 11531 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.0s IncrementalHoareTripleChecker+Time [2021-12-18 16:12:32,625 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18660 Valid, 17842 Invalid, 23547 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12012 Valid, 11531 Invalid, 4 Unknown, 0 Unchecked, 30.0s Time] [2021-12-18 16:12:32,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13866 states. [2021-12-18 16:12:33,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13866 to 12556. [2021-12-18 16:12:33,173 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) [2021-12-18 16:12:33,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12556 states to 12556 states and 18389 transitions. [2021-12-18 16:12:33,213 INFO L78 Accepts]: Start accepts. Automaton has 12556 states and 18389 transitions. Word has length 118 [2021-12-18 16:12:33,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:12:33,214 INFO L470 AbstractCegarLoop]: Abstraction has 12556 states and 18389 transitions. [2021-12-18 16:12:33,214 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) [2021-12-18 16:12:33,214 INFO L276 IsEmpty]: Start isEmpty. Operand 12556 states and 18389 transitions. [2021-12-18 16:12:33,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-12-18 16:12:33,216 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:12:33,216 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] [2021-12-18 16:12:33,216 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-18 16:12:33,216 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)] === [2021-12-18 16:12:33,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:12:33,217 INFO L85 PathProgramCache]: Analyzing trace with hash -322369113, now seen corresponding path program 1 times [2021-12-18 16:12:33,217 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:12:33,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592406531] [2021-12-18 16:12:33,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:12:33,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:12:33,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:33,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:12:33,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:33,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 16:12:33,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:33,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:12:33,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:33,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-18 16:12:33,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:33,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 16:12:33,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:33,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 16:12:33,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:33,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:12:33,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:33,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-18 16:12:33,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:33,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 16:12:33,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:33,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 16:12:33,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:33,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-18 16:12:33,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:33,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 16:12:33,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:33,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 16:12:33,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:33,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 16:12:33,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:33,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-18 16:12:33,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:33,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-18 16:12:33,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:33,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-18 16:12:33,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:33,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-18 16:12:33,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:33,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 16:12:33,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:33,709 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 16:12:33,709 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:12:33,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592406531] [2021-12-18 16:12:33,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592406531] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:12:33,709 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:12:33,710 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 16:12:33,711 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034732767] [2021-12-18 16:12:33,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:12:33,712 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 16:12:33,712 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:12:33,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 16:12:33,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 16:12:33,713 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) [2021-12-18 16:12:39,145 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:12:41,174 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:13:00,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:13:00,387 INFO L93 Difference]: Finished difference Result 13866 states and 20581 transitions. [2021-12-18 16:13:00,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 16:13:00,388 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 [2021-12-18 16:13:00,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:13:00,426 INFO L225 Difference]: With dead ends: 13866 [2021-12-18 16:13:00,426 INFO L226 Difference]: Without dead ends: 13864 [2021-12-18 16:13:00,433 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 [2021-12-18 16:13:00,434 INFO L933 BasicCegarLoop]: 8127 mSDtfsCounter, 18160 mSDsluCounter, 9704 mSDsCounter, 0 mSdLazyCounter, 11544 mSolverCounterSat, 12002 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18658 SdHoareTripleChecker+Valid, 17831 SdHoareTripleChecker+Invalid, 23548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12002 IncrementalHoareTripleChecker+Valid, 11544 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.6s IncrementalHoareTripleChecker+Time [2021-12-18 16:13:00,434 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18658 Valid, 17831 Invalid, 23548 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12002 Valid, 11544 Invalid, 2 Unknown, 0 Unchecked, 25.6s Time] [2021-12-18 16:13:00,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13864 states. [2021-12-18 16:13:00,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13864 to 12554. [2021-12-18 16:13:01,001 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) [2021-12-18 16:13:01,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12554 states to 12554 states and 18387 transitions. [2021-12-18 16:13:01,041 INFO L78 Accepts]: Start accepts. Automaton has 12554 states and 18387 transitions. Word has length 124 [2021-12-18 16:13:01,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:13:01,041 INFO L470 AbstractCegarLoop]: Abstraction has 12554 states and 18387 transitions. [2021-12-18 16:13:01,042 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) [2021-12-18 16:13:01,042 INFO L276 IsEmpty]: Start isEmpty. Operand 12554 states and 18387 transitions. [2021-12-18 16:13:01,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-12-18 16:13:01,044 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:13:01,044 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] [2021-12-18 16:13:01,044 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-18 16:13:01,044 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)] === [2021-12-18 16:13:01,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:13:01,045 INFO L85 PathProgramCache]: Analyzing trace with hash -386702021, now seen corresponding path program 1 times [2021-12-18 16:13:01,045 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:13:01,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652899449] [2021-12-18 16:13:01,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:13:01,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:13:01,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:01,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:13:01,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:01,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 16:13:01,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:01,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:13:01,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:01,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-18 16:13:01,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:01,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 16:13:01,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:01,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 16:13:01,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:01,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:13:01,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:01,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-18 16:13:01,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:01,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 16:13:01,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:01,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 16:13:01,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:01,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-18 16:13:01,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:01,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 16:13:01,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:01,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 16:13:01,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:01,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 16:13:01,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:01,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-18 16:13:01,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:01,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-18 16:13:01,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:01,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-18 16:13:01,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:01,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-18 16:13:01,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:01,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 16:13:01,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:01,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-12-18 16:13:01,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:01,493 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 16:13:01,493 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:13:01,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652899449] [2021-12-18 16:13:01,494 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652899449] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:13:01,494 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:13:01,494 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 16:13:01,494 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292251127] [2021-12-18 16:13:01,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:13:01,494 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 16:13:01,494 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:13:01,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 16:13:01,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 16:13:01,495 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) [2021-12-18 16:13:07,242 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:13:09,263 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:13:28,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:13:28,179 INFO L93 Difference]: Finished difference Result 13864 states and 20579 transitions. [2021-12-18 16:13:28,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 16:13:28,180 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 [2021-12-18 16:13:28,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:13:28,214 INFO L225 Difference]: With dead ends: 13864 [2021-12-18 16:13:28,214 INFO L226 Difference]: Without dead ends: 13862 [2021-12-18 16:13:28,220 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 [2021-12-18 16:13:28,221 INFO L933 BasicCegarLoop]: 8185 mSDtfsCounter, 17996 mSDsluCounter, 9717 mSDsCounter, 0 mSdLazyCounter, 11621 mSolverCounterSat, 11972 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18488 SdHoareTripleChecker+Valid, 17902 SdHoareTripleChecker+Invalid, 23595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11972 IncrementalHoareTripleChecker+Valid, 11621 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.6s IncrementalHoareTripleChecker+Time [2021-12-18 16:13:28,221 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18488 Valid, 17902 Invalid, 23595 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11972 Valid, 11621 Invalid, 2 Unknown, 0 Unchecked, 25.6s Time] [2021-12-18 16:13:28,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13862 states. [2021-12-18 16:13:28,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13862 to 12552. [2021-12-18 16:13:28,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12552 states, 8627 states have (on average 1.3458908079285963) internal successors, (11611), 8834 states have internal predecessors, (11611), 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) [2021-12-18 16:13:28,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12552 states to 12552 states and 18385 transitions. [2021-12-18 16:13:28,856 INFO L78 Accepts]: Start accepts. Automaton has 12552 states and 18385 transitions. Word has length 130 [2021-12-18 16:13:28,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:13:28,856 INFO L470 AbstractCegarLoop]: Abstraction has 12552 states and 18385 transitions. [2021-12-18 16:13:28,856 INFO L471 AbstractCegarLoop]: INTERPOLANT 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) [2021-12-18 16:13:28,857 INFO L276 IsEmpty]: Start isEmpty. Operand 12552 states and 18385 transitions. [2021-12-18 16:13:28,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-12-18 16:13:28,859 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:13:28,859 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 16:13:28,860 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-18 16:13:28,860 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-12-18 16:13:28,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:13:28,860 INFO L85 PathProgramCache]: Analyzing trace with hash -529336426, now seen corresponding path program 1 times [2021-12-18 16:13:28,860 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:13:28,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515621459] [2021-12-18 16:13:28,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:13:28,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:13:29,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:29,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:13:29,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:29,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 16:13:29,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:29,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:13:29,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:29,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-18 16:13:29,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:29,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 16:13:29,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:29,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 16:13:29,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:29,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:13:29,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:29,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-18 16:13:29,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:29,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 16:13:29,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:29,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-18 16:13:29,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:29,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-18 16:13:29,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:29,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:13:29,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:29,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:13:29,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:29,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:13:29,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:29,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 16:13:29,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:29,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 16:13:29,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:29,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-18 16:13:29,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:29,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 16:13:29,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:29,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 16:13:29,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:29,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-18 16:13:29,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:29,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:13:29,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:29,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:13:29,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:29,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-18 16:13:29,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:29,308 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-12-18 16:13:29,309 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:13:29,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515621459] [2021-12-18 16:13:29,309 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515621459] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:13:29,309 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:13:29,309 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-18 16:13:29,309 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282172626] [2021-12-18 16:13:29,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:13:29,310 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-18 16:13:29,310 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:13:29,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-18 16:13:29,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-18 16:13:29,311 INFO L87 Difference]: Start difference. First operand 12552 states and 18385 transitions. Second operand has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (27), 7 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-18 16:13:36,343 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:13:38,394 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:13:40,447 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:13:42,508 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:14:12,554 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:14:14,717 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-12-18 16:14:16,880 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-18 16:14:19,041 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-12-18 16:14:21,200 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-12-18 16:14:23,473 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:14:25,876 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:14:28,280 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:14:30,419 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:14:32,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:14:32,185 INFO L93 Difference]: Finished difference Result 13870 states and 20590 transitions. [2021-12-18 16:14:32,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-18 16:14:32,186 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (27), 7 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 149 [2021-12-18 16:14:32,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:14:32,236 INFO L225 Difference]: With dead ends: 13870 [2021-12-18 16:14:32,237 INFO L226 Difference]: Without dead ends: 13868 [2021-12-18 16:14:32,246 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=132, Invalid=288, Unknown=0, NotChecked=0, Total=420 [2021-12-18 16:14:32,247 INFO L933 BasicCegarLoop]: 8144 mSDtfsCounter, 15828 mSDsluCounter, 17975 mSDsCounter, 0 mSdLazyCounter, 24857 mSolverCounterSat, 12452 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 55.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15828 SdHoareTripleChecker+Valid, 26119 SdHoareTripleChecker+Invalid, 37322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 12452 IncrementalHoareTripleChecker+Valid, 24857 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 61.4s IncrementalHoareTripleChecker+Time [2021-12-18 16:14:32,247 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15828 Valid, 26119 Invalid, 37322 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [12452 Valid, 24857 Invalid, 13 Unknown, 0 Unchecked, 61.4s Time] [2021-12-18 16:14:32,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13868 states. [2021-12-18 16:14:32,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13868 to 12552. [2021-12-18 16:14:32,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12552 states, 8627 states have (on average 1.345658977628376) internal successors, (11609), 8834 states have internal predecessors, (11609), 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) [2021-12-18 16:14:32,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12552 states to 12552 states and 18383 transitions. [2021-12-18 16:14:32,878 INFO L78 Accepts]: Start accepts. Automaton has 12552 states and 18383 transitions. Word has length 149 [2021-12-18 16:14:32,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:14:32,879 INFO L470 AbstractCegarLoop]: Abstraction has 12552 states and 18383 transitions. [2021-12-18 16:14:32,879 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (27), 7 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-18 16:14:32,879 INFO L276 IsEmpty]: Start isEmpty. Operand 12552 states and 18383 transitions. [2021-12-18 16:14:32,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-12-18 16:14:32,882 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:14:32,882 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, 1, 1, 1, 1, 1, 1] [2021-12-18 16:14:32,882 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-18 16:14:32,883 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-12-18 16:14:32,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:14:32,883 INFO L85 PathProgramCache]: Analyzing trace with hash -2027348805, now seen corresponding path program 1 times [2021-12-18 16:14:32,883 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:14:32,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763732626] [2021-12-18 16:14:32,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:14:32,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:14:33,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:33,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:14:33,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:33,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 16:14:33,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:33,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:14:33,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:33,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-18 16:14:33,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:33,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 16:14:33,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:33,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 16:14:33,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:33,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:14:33,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:33,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-18 16:14:33,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:33,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 16:14:33,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:33,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 16:14:33,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:33,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-18 16:14:33,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:33,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 16:14:33,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:33,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 16:14:33,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:33,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 16:14:33,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:33,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-18 16:14:33,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:33,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-18 16:14:33,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:33,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-18 16:14:33,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:33,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-18 16:14:33,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:33,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 16:14:33,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:33,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-12-18 16:14:33,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:33,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-18 16:14:33,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:33,329 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 16:14:33,330 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:14:33,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763732626] [2021-12-18 16:14:33,330 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763732626] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:14:33,330 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:14:33,330 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 16:14:33,330 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156196233] [2021-12-18 16:14:33,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:14:33,330 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 16:14:33,331 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:14:33,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 16:14:33,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 16:14:33,331 INFO L87 Difference]: Start difference. First operand 12552 states and 18383 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-18 16:14:39,210 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:14:41,281 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:15:02,002 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-12-18 16:15:04,164 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-18 16:15:06,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:15:06,132 INFO L93 Difference]: Finished difference Result 13862 states and 20575 transitions. [2021-12-18 16:15:06,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 16:15:06,133 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 136 [2021-12-18 16:15:06,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:15:06,173 INFO L225 Difference]: With dead ends: 13862 [2021-12-18 16:15:06,174 INFO L226 Difference]: Without dead ends: 13860 [2021-12-18 16:15:06,182 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-18 16:15:06,183 INFO L933 BasicCegarLoop]: 8140 mSDtfsCounter, 18114 mSDsluCounter, 9716 mSDsCounter, 0 mSdLazyCounter, 11553 mSolverCounterSat, 12000 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18605 SdHoareTripleChecker+Valid, 17856 SdHoareTripleChecker+Invalid, 23557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12000 IncrementalHoareTripleChecker+Valid, 11553 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.7s IncrementalHoareTripleChecker+Time [2021-12-18 16:15:06,183 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18605 Valid, 17856 Invalid, 23557 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12000 Valid, 11553 Invalid, 4 Unknown, 0 Unchecked, 31.7s Time] [2021-12-18 16:15:06,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13860 states. [2021-12-18 16:15:06,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13860 to 12550. [2021-12-18 16:15:06,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12550 states, 8626 states have (on average 1.3455831207975888) internal successors, (11607), 8832 states have internal predecessors, (11607), 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) [2021-12-18 16:15:06,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12550 states to 12550 states and 18381 transitions. [2021-12-18 16:15:06,847 INFO L78 Accepts]: Start accepts. Automaton has 12550 states and 18381 transitions. Word has length 136 [2021-12-18 16:15:06,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:15:06,847 INFO L470 AbstractCegarLoop]: Abstraction has 12550 states and 18381 transitions. [2021-12-18 16:15:06,848 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-18 16:15:06,848 INFO L276 IsEmpty]: Start isEmpty. Operand 12550 states and 18381 transitions. [2021-12-18 16:15:06,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-12-18 16:15:06,850 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:15:06,850 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 16:15:06,851 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-18 16:15:06,851 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-12-18 16:15:06,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:15:06,851 INFO L85 PathProgramCache]: Analyzing trace with hash -1655328089, now seen corresponding path program 1 times [2021-12-18 16:15:06,852 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:15:06,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103225842] [2021-12-18 16:15:06,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:15:06,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:15:06,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:07,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:15:07,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:07,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 16:15:07,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:07,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:15:07,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:07,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-18 16:15:07,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:07,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 16:15:07,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:07,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 16:15:07,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:07,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:15:07,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:07,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-18 16:15:07,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:07,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 16:15:07,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:07,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 16:15:07,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:07,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-18 16:15:07,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:07,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 16:15:07,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:07,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 16:15:07,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:07,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 16:15:07,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:07,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-18 16:15:07,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:07,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-18 16:15:07,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:07,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-18 16:15:07,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:07,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-18 16:15:07,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:07,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 16:15:07,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:07,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-12-18 16:15:07,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:07,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-18 16:15:07,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:07,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-18 16:15:07,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:07,334 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 16:15:07,334 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:15:07,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103225842] [2021-12-18 16:15:07,335 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103225842] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:15:07,335 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:15:07,335 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 16:15:07,335 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728008429] [2021-12-18 16:15:07,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:15:07,336 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 16:15:07,336 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:15:07,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 16:15:07,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 16:15:07,337 INFO L87 Difference]: Start difference. First operand 12550 states and 18381 transitions. Second operand has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-18 16:15:12,974 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:15:15,024 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:15:35,442 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-12-18 16:15:37,601 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-18 16:15:39,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:15:39,627 INFO L93 Difference]: Finished difference Result 13860 states and 20573 transitions. [2021-12-18 16:15:39,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 16:15:39,628 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 142 [2021-12-18 16:15:39,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:15:39,666 INFO L225 Difference]: With dead ends: 13860 [2021-12-18 16:15:39,666 INFO L226 Difference]: Without dead ends: 13858 [2021-12-18 16:15:39,673 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-18 16:15:39,674 INFO L933 BasicCegarLoop]: 8081 mSDtfsCounter, 18274 mSDsluCounter, 9716 mSDsCounter, 0 mSdLazyCounter, 11493 mSolverCounterSat, 12014 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18763 SdHoareTripleChecker+Valid, 17797 SdHoareTripleChecker+Invalid, 23511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12014 IncrementalHoareTripleChecker+Valid, 11493 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.1s IncrementalHoareTripleChecker+Time [2021-12-18 16:15:39,674 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18763 Valid, 17797 Invalid, 23511 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12014 Valid, 11493 Invalid, 4 Unknown, 0 Unchecked, 31.1s Time] [2021-12-18 16:15:39,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13858 states. [2021-12-18 16:15:40,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13858 to 12548. [2021-12-18 16:15:40,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12548 states, 8625 states have (on average 1.3455072463768116) internal successors, (11605), 8830 states have internal predecessors, (11605), 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) [2021-12-18 16:15:40,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12548 states to 12548 states and 18379 transitions. [2021-12-18 16:15:40,335 INFO L78 Accepts]: Start accepts. Automaton has 12548 states and 18379 transitions. Word has length 142 [2021-12-18 16:15:40,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:15:40,336 INFO L470 AbstractCegarLoop]: Abstraction has 12548 states and 18379 transitions. [2021-12-18 16:15:40,336 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-18 16:15:40,336 INFO L276 IsEmpty]: Start isEmpty. Operand 12548 states and 18379 transitions. [2021-12-18 16:15:40,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-12-18 16:15:40,339 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:15:40,339 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 16:15:40,340 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-18 16:15:40,340 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-12-18 16:15:40,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:15:40,340 INFO L85 PathProgramCache]: Analyzing trace with hash 1887625960, now seen corresponding path program 1 times [2021-12-18 16:15:40,340 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:15:40,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866143772] [2021-12-18 16:15:40,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:15:40,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:15:40,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:40,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:15:40,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:40,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 16:15:40,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:40,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:15:40,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:40,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-18 16:15:40,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:40,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 16:15:40,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:40,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 16:15:40,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:40,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:15:40,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:40,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-18 16:15:40,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:40,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 16:15:40,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:40,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 16:15:40,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:40,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-18 16:15:40,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:40,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 16:15:40,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:40,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 16:15:40,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:40,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 16:15:40,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:40,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-18 16:15:40,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:40,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-18 16:15:40,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:40,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-18 16:15:40,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:40,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-18 16:15:40,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:40,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 16:15:40,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:40,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-12-18 16:15:40,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:40,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-18 16:15:40,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:40,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-18 16:15:40,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:40,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-18 16:15:40,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:40,935 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 16:15:40,935 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:15:40,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866143772] [2021-12-18 16:15:40,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866143772] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:15:40,935 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:15:40,936 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 16:15:40,936 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874078937] [2021-12-18 16:15:40,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:15:40,937 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 16:15:40,937 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:15:40,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 16:15:40,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 16:15:40,938 INFO L87 Difference]: Start difference. First operand 12548 states and 18379 transitions. Second operand has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-18 16:15:46,760 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:15:48,818 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:16:10,167 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-12-18 16:16:12,331 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] Killed by 15