./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--usb--misc--uss720.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/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--usb--misc--uss720.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 87fc46113f1aa6bf5cd254bff58332904e2431653df647e3a9a61cd4104d8890 --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 19:12:24,649 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 19:12:24,651 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 19:12:24,680 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 19:12:24,681 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 19:12:24,683 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 19:12:24,684 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 19:12:24,686 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 19:12:24,687 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 19:12:24,690 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 19:12:24,691 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 19:12:24,692 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 19:12:24,692 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 19:12:24,694 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 19:12:24,695 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 19:12:24,698 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 19:12:24,699 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 19:12:24,699 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 19:12:24,702 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 19:12:24,705 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 19:12:24,706 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 19:12:24,706 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 19:12:24,708 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 19:12:24,708 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 19:12:24,713 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 19:12:24,714 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 19:12:24,714 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 19:12:24,715 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 19:12:24,715 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 19:12:24,716 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 19:12:24,716 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 19:12:24,716 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 19:12:24,718 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 19:12:24,718 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 19:12:24,719 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 19:12:24,719 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 19:12:24,720 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 19:12:24,720 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 19:12:24,720 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 19:12:24,721 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 19:12:24,721 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 19:12:24,723 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 19:12:24,753 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 19:12:24,754 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 19:12:24,754 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 19:12:24,754 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 19:12:24,755 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 19:12:24,755 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 19:12:24,755 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 19:12:24,755 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 19:12:24,756 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 19:12:24,756 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 19:12:24,756 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 19:12:24,756 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 19:12:24,757 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 19:12:24,757 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 19:12:24,757 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 19:12:24,757 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 19:12:24,757 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 19:12:24,757 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 19:12:24,767 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 19:12:24,767 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 19:12:24,768 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 19:12:24,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 19:12:24,768 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 19:12:24,768 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 19:12:24,768 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 19:12:24,768 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 19:12:24,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 19:12:24,769 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 19:12:24,769 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 19:12:24,769 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 19:12:24,770 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 19:12:24,770 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87fc46113f1aa6bf5cd254bff58332904e2431653df647e3a9a61cd4104d8890 [2021-12-14 19:12:24,929 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 19:12:24,943 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 19:12:24,945 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 19:12:24,945 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 19:12:24,946 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 19:12:24,946 INFO L432 ainManager$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--usb--misc--uss720.ko.cil.i [2021-12-14 19:12:25,003 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e420204c/0eec32224a9e47bda3cf13f517d54df2/FLAG374b5bdb5 [2021-12-14 19:12:25,590 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 19:12:25,591 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i [2021-12-14 19:12:25,624 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e420204c/0eec32224a9e47bda3cf13f517d54df2/FLAG374b5bdb5 [2021-12-14 19:12:26,016 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e420204c/0eec32224a9e47bda3cf13f517d54df2 [2021-12-14 19:12:26,017 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 19:12:26,018 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 19:12:26,019 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 19:12:26,019 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 19:12:26,024 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 19:12:26,025 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:12:26" (1/1) ... [2021-12-14 19:12:26,025 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6696a5c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:26, skipping insertion in model container [2021-12-14 19:12:26,025 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:12:26" (1/1) ... [2021-12-14 19:12:26,030 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 19:12:26,110 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 19:12:27,602 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[287816,287829] [2021-12-14 19:12:27,605 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[287961,287974] [2021-12-14 19:12:27,606 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[288107,288120] [2021-12-14 19:12:27,606 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[288272,288285] [2021-12-14 19:12:27,610 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[288430,288443] [2021-12-14 19:12:27,611 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[288588,288601] [2021-12-14 19:12:27,612 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[288746,288759] [2021-12-14 19:12:27,612 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[288906,288919] [2021-12-14 19:12:27,612 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289065,289078] [2021-12-14 19:12:27,613 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289204,289217] [2021-12-14 19:12:27,613 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289346,289359] [2021-12-14 19:12:27,614 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289495,289508] [2021-12-14 19:12:27,617 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289634,289647] [2021-12-14 19:12:27,618 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289789,289802] [2021-12-14 19:12:27,624 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289949,289962] [2021-12-14 19:12:27,625 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[290100,290113] [2021-12-14 19:12:27,625 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[290251,290264] [2021-12-14 19:12:27,626 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[290403,290416] [2021-12-14 19:12:27,627 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[290552,290565] [2021-12-14 19:12:27,627 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[290700,290713] [2021-12-14 19:12:27,627 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[290857,290870] [2021-12-14 19:12:27,628 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291006,291019] [2021-12-14 19:12:27,628 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291162,291175] [2021-12-14 19:12:27,628 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291315,291328] [2021-12-14 19:12:27,630 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291461,291474] [2021-12-14 19:12:27,630 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291604,291617] [2021-12-14 19:12:27,630 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291756,291769] [2021-12-14 19:12:27,631 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291902,291915] [2021-12-14 19:12:27,631 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292047,292060] [2021-12-14 19:12:27,632 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292201,292214] [2021-12-14 19:12:27,633 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292352,292365] [2021-12-14 19:12:27,633 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292507,292520] [2021-12-14 19:12:27,634 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292659,292672] [2021-12-14 19:12:27,634 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292814,292827] [2021-12-14 19:12:27,635 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292978,292991] [2021-12-14 19:12:27,639 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[293134,293147] [2021-12-14 19:12:27,639 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[293298,293311] [2021-12-14 19:12:27,640 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[293440,293453] [2021-12-14 19:12:27,640 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[293598,293611] [2021-12-14 19:12:27,640 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[293765,293778] [2021-12-14 19:12:27,640 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[293924,293937] [2021-12-14 19:12:27,640 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[294083,294096] [2021-12-14 19:12:27,641 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[294232,294245] [2021-12-14 19:12:27,641 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[294379,294392] [2021-12-14 19:12:27,641 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[294518,294531] [2021-12-14 19:12:27,641 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[294681,294694] [2021-12-14 19:12:27,642 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[294847,294860] [2021-12-14 19:12:27,642 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295011,295024] [2021-12-14 19:12:27,642 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295176,295189] [2021-12-14 19:12:27,643 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295341,295354] [2021-12-14 19:12:27,643 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295507,295520] [2021-12-14 19:12:27,643 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295672,295685] [2021-12-14 19:12:27,643 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295839,295852] [2021-12-14 19:12:27,644 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295999,296012] [2021-12-14 19:12:27,644 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[296161,296174] [2021-12-14 19:12:27,644 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[296320,296333] [2021-12-14 19:12:27,645 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[296466,296479] [2021-12-14 19:12:27,645 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[296609,296622] [2021-12-14 19:12:27,645 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[296753,296766] [2021-12-14 19:12:27,645 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[296896,296909] [2021-12-14 19:12:27,646 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297040,297053] [2021-12-14 19:12:27,646 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297181,297194] [2021-12-14 19:12:27,646 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297319,297332] [2021-12-14 19:12:27,647 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297477,297490] [2021-12-14 19:12:27,647 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297636,297649] [2021-12-14 19:12:27,647 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297792,297805] [2021-12-14 19:12:27,647 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297941,297954] [2021-12-14 19:12:27,648 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298093,298106] [2021-12-14 19:12:27,648 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298244,298257] [2021-12-14 19:12:27,648 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298393,298406] [2021-12-14 19:12:27,648 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298545,298558] [2021-12-14 19:12:27,649 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298693,298706] [2021-12-14 19:12:27,649 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298846,298859] [2021-12-14 19:12:27,649 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298997,299010] [2021-12-14 19:12:27,650 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[299147,299160] [2021-12-14 19:12:27,651 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[299294,299307] [2021-12-14 19:12:27,651 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[299445,299458] [2021-12-14 19:12:27,652 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[299596,299609] [2021-12-14 19:12:27,652 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[299744,299757] [2021-12-14 19:12:27,653 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[299910,299923] [2021-12-14 19:12:27,653 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[300079,300092] [2021-12-14 19:12:27,653 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[300246,300259] [2021-12-14 19:12:27,653 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[300414,300427] [2021-12-14 19:12:27,654 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[300564,300577] [2021-12-14 19:12:27,654 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[300711,300724] [2021-12-14 19:12:27,654 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[300872,300885] [2021-12-14 19:12:27,655 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[301042,301055] [2021-12-14 19:12:27,655 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[301204,301217] [2021-12-14 19:12:27,657 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 19:12:27,680 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 19:12:27,837 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[287816,287829] [2021-12-14 19:12:27,838 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[287961,287974] [2021-12-14 19:12:27,838 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[288107,288120] [2021-12-14 19:12:27,838 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[288272,288285] [2021-12-14 19:12:27,839 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[288430,288443] [2021-12-14 19:12:27,839 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[288588,288601] [2021-12-14 19:12:27,840 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[288746,288759] [2021-12-14 19:12:27,840 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[288906,288919] [2021-12-14 19:12:27,843 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289065,289078] [2021-12-14 19:12:27,844 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289204,289217] [2021-12-14 19:12:27,844 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289346,289359] [2021-12-14 19:12:27,844 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289495,289508] [2021-12-14 19:12:27,844 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289634,289647] [2021-12-14 19:12:27,845 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289789,289802] [2021-12-14 19:12:27,845 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289949,289962] [2021-12-14 19:12:27,845 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[290100,290113] [2021-12-14 19:12:27,845 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[290251,290264] [2021-12-14 19:12:27,846 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[290403,290416] [2021-12-14 19:12:27,846 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[290552,290565] [2021-12-14 19:12:27,846 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[290700,290713] [2021-12-14 19:12:27,846 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[290857,290870] [2021-12-14 19:12:27,850 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291006,291019] [2021-12-14 19:12:27,850 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291162,291175] [2021-12-14 19:12:27,850 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291315,291328] [2021-12-14 19:12:27,850 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291461,291474] [2021-12-14 19:12:27,851 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291604,291617] [2021-12-14 19:12:27,851 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291756,291769] [2021-12-14 19:12:27,851 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291902,291915] [2021-12-14 19:12:27,852 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292047,292060] [2021-12-14 19:12:27,852 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292201,292214] [2021-12-14 19:12:27,852 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292352,292365] [2021-12-14 19:12:27,852 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292507,292520] [2021-12-14 19:12:27,853 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292659,292672] [2021-12-14 19:12:27,853 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292814,292827] [2021-12-14 19:12:27,854 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292978,292991] [2021-12-14 19:12:27,854 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[293134,293147] [2021-12-14 19:12:27,854 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[293298,293311] [2021-12-14 19:12:27,854 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[293440,293453] [2021-12-14 19:12:27,855 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[293598,293611] [2021-12-14 19:12:27,855 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[293765,293778] [2021-12-14 19:12:27,856 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[293924,293937] [2021-12-14 19:12:27,856 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[294083,294096] [2021-12-14 19:12:27,857 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[294232,294245] [2021-12-14 19:12:27,857 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[294379,294392] [2021-12-14 19:12:27,857 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[294518,294531] [2021-12-14 19:12:27,857 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[294681,294694] [2021-12-14 19:12:27,858 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[294847,294860] [2021-12-14 19:12:27,858 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295011,295024] [2021-12-14 19:12:27,858 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295176,295189] [2021-12-14 19:12:27,859 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295341,295354] [2021-12-14 19:12:27,859 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295507,295520] [2021-12-14 19:12:27,859 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295672,295685] [2021-12-14 19:12:27,859 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295839,295852] [2021-12-14 19:12:27,859 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295999,296012] [2021-12-14 19:12:27,860 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[296161,296174] [2021-12-14 19:12:27,860 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[296320,296333] [2021-12-14 19:12:27,860 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[296466,296479] [2021-12-14 19:12:27,860 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[296609,296622] [2021-12-14 19:12:27,861 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[296753,296766] [2021-12-14 19:12:27,861 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[296896,296909] [2021-12-14 19:12:27,862 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297040,297053] [2021-12-14 19:12:27,862 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297181,297194] [2021-12-14 19:12:27,864 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297319,297332] [2021-12-14 19:12:27,865 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297477,297490] [2021-12-14 19:12:27,866 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297636,297649] [2021-12-14 19:12:27,866 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297792,297805] [2021-12-14 19:12:27,866 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297941,297954] [2021-12-14 19:12:27,867 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298093,298106] [2021-12-14 19:12:27,868 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298244,298257] [2021-12-14 19:12:27,868 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298393,298406] [2021-12-14 19:12:27,868 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298545,298558] [2021-12-14 19:12:27,871 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298693,298706] [2021-12-14 19:12:27,876 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298846,298859] [2021-12-14 19:12:27,876 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298997,299010] [2021-12-14 19:12:27,876 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[299147,299160] [2021-12-14 19:12:27,877 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[299294,299307] [2021-12-14 19:12:27,877 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[299445,299458] [2021-12-14 19:12:27,877 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[299596,299609] [2021-12-14 19:12:27,878 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[299744,299757] [2021-12-14 19:12:27,879 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[299910,299923] [2021-12-14 19:12:27,879 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[300079,300092] [2021-12-14 19:12:27,879 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[300246,300259] [2021-12-14 19:12:27,880 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[300414,300427] [2021-12-14 19:12:27,880 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[300564,300577] [2021-12-14 19:12:27,880 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[300711,300724] [2021-12-14 19:12:27,880 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[300872,300885] [2021-12-14 19:12:27,881 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[301042,301055] [2021-12-14 19:12:27,881 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[301204,301217] [2021-12-14 19:12:27,883 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 19:12:28,022 INFO L208 MainTranslator]: Completed translation [2021-12-14 19:12:28,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:28 WrapperNode [2021-12-14 19:12:28,022 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 19:12:28,023 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 19:12:28,023 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 19:12:28,023 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 19:12:28,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:28" (1/1) ... [2021-12-14 19:12:28,077 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:28" (1/1) ... [2021-12-14 19:12:28,198 INFO L137 Inliner]: procedures = 516, calls = 1379, calls flagged for inlining = 239, calls inlined = 169, statements flattened = 3148 [2021-12-14 19:12:28,199 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 19:12:28,199 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 19:12:28,199 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 19:12:28,199 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 19:12:28,208 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:28" (1/1) ... [2021-12-14 19:12:28,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:28" (1/1) ... [2021-12-14 19:12:28,222 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:28" (1/1) ... [2021-12-14 19:12:28,222 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:28" (1/1) ... [2021-12-14 19:12:28,279 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:28" (1/1) ... [2021-12-14 19:12:28,297 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:28" (1/1) ... [2021-12-14 19:12:28,321 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:28" (1/1) ... [2021-12-14 19:12:28,341 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 19:12:28,342 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 19:12:28,342 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 19:12:28,342 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 19:12:28,343 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:28" (1/1) ... [2021-12-14 19:12:28,354 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 19:12:28,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 19:12:28,372 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) [2021-12-14 19:12:28,394 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 [2021-12-14 19:12:28,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_97 [2021-12-14 19:12:28,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_97 [2021-12-14 19:12:28,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-12-14 19:12:28,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-12-14 19:12:28,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 19:12:28,410 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 19:12:28,410 INFO L130 BoogieDeclarations]: Found specification of procedure parport_uss720_disable_irq [2021-12-14 19:12:28,410 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_uss720_disable_irq [2021-12-14 19:12:28,410 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_async [2021-12-14 19:12:28,410 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_async [2021-12-14 19:12:28,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 19:12:28,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 19:12:28,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-12-14 19:12:28,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-12-14 19:12:28,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-14 19:12:28,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-14 19:12:28,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-12-14 19:12:28,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-12-14 19:12:28,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-12-14 19:12:28,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-12-14 19:12:28,411 INFO L130 BoogieDeclarations]: Found specification of procedure parport_uss720_read_status [2021-12-14 19:12:28,411 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_uss720_read_status [2021-12-14 19:12:28,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-14 19:12:28,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-14 19:12:28,412 INFO L130 BoogieDeclarations]: Found specification of procedure parport_uss720_read_data [2021-12-14 19:12:28,412 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_uss720_read_data [2021-12-14 19:12:28,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-14 19:12:28,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-14 19:12:28,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-12-14 19:12:28,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-12-14 19:12:28,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 19:12:28,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-12-14 19:12:28,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-12-14 19:12:28,413 INFO L130 BoogieDeclarations]: Found specification of procedure parport_uss720_data_reverse [2021-12-14 19:12:28,413 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_uss720_data_reverse [2021-12-14 19:12:28,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 19:12:28,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 19:12:28,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-12-14 19:12:28,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-12-14 19:12:28,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-14 19:12:28,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-14 19:12:28,414 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2021-12-14 19:12:28,414 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2021-12-14 19:12:28,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-12-14 19:12:28,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-12-14 19:12:28,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 19:12:28,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-12-14 19:12:28,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-12-14 19:12:28,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-12-14 19:12:28,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-12-14 19:12:28,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-12-14 19:12:28,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-12-14 19:12:28,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-14 19:12:28,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-14 19:12:28,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-12-14 19:12:28,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-12-14 19:12:28,416 INFO L130 BoogieDeclarations]: Found specification of procedure submit_async_request [2021-12-14 19:12:28,416 INFO L138 BoogieDeclarations]: Found implementation of procedure submit_async_request [2021-12-14 19:12:28,416 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-12-14 19:12:28,416 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-12-14 19:12:28,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-12-14 19:12:28,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-12-14 19:12:28,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 19:12:28,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 19:12:28,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-14 19:12:28,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-14 19:12:28,417 INFO L130 BoogieDeclarations]: Found specification of procedure change_mode [2021-12-14 19:12:28,417 INFO L138 BoogieDeclarations]: Found implementation of procedure change_mode [2021-12-14 19:12:28,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 19:12:28,417 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-14 19:12:28,417 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 19:12:28,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 19:12:28,420 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-14 19:12:28,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-14 19:12:28,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_dev_usb_put_dev [2021-12-14 19:12:28,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_dev_usb_put_dev [2021-12-14 19:12:28,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_irq_check_alloc_flags [2021-12-14 19:12:28,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_irq_check_alloc_flags [2021-12-14 19:12:28,421 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-14 19:12:28,421 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-14 19:12:28,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-12-14 19:12:28,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-12-14 19:12:28,422 INFO L130 BoogieDeclarations]: Found specification of procedure parport_generic_irq [2021-12-14 19:12:28,422 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_generic_irq [2021-12-14 19:12:28,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 19:12:28,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 19:12:28,422 INFO L130 BoogieDeclarations]: Found specification of procedure get_1284_register [2021-12-14 19:12:28,422 INFO L138 BoogieDeclarations]: Found implementation of procedure get_1284_register [2021-12-14 19:12:28,422 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-12-14 19:12:28,423 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-12-14 19:12:28,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 19:12:28,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 19:12:28,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 19:12:28,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 19:12:28,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_asynclock_of_parport_uss720_private [2021-12-14 19:12:28,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_asynclock_of_parport_uss720_private [2021-12-14 19:12:28,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-14 19:12:28,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-14 19:12:28,424 INFO L130 BoogieDeclarations]: Found specification of procedure set_1284_register [2021-12-14 19:12:28,424 INFO L138 BoogieDeclarations]: Found implementation of procedure set_1284_register [2021-12-14 19:12:28,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-12-14 19:12:28,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-12-14 19:12:28,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-12-14 19:12:28,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-12-14 19:12:28,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 19:12:28,424 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-14 19:12:28,424 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-14 19:12:28,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-12-14 19:12:28,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-12-14 19:12:28,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 19:12:28,425 INFO L130 BoogieDeclarations]: Found specification of procedure async_complete [2021-12-14 19:12:28,425 INFO L138 BoogieDeclarations]: Found implementation of procedure async_complete [2021-12-14 19:12:28,425 INFO L130 BoogieDeclarations]: Found specification of procedure parport_uss720_read_control [2021-12-14 19:12:28,425 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_uss720_read_control [2021-12-14 19:12:28,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 19:12:28,425 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-14 19:12:28,425 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-14 19:12:28,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-12-14 19:12:28,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-12-14 19:12:28,426 INFO L130 BoogieDeclarations]: Found specification of procedure parport_uss720_enable_irq [2021-12-14 19:12:28,426 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_uss720_enable_irq [2021-12-14 19:12:28,426 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-12-14 19:12:28,426 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-12-14 19:12:28,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-14 19:12:28,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-14 19:12:28,427 INFO L130 BoogieDeclarations]: Found specification of procedure clear_epp_timeout [2021-12-14 19:12:28,427 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_epp_timeout [2021-12-14 19:12:28,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-14 19:12:28,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-14 19:12:28,427 INFO L130 BoogieDeclarations]: Found specification of procedure uss720_disconnect [2021-12-14 19:12:28,427 INFO L138 BoogieDeclarations]: Found implementation of procedure uss720_disconnect [2021-12-14 19:12:28,428 INFO L130 BoogieDeclarations]: Found specification of procedure parport_uss720_data_forward [2021-12-14 19:12:28,428 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_uss720_data_forward [2021-12-14 19:12:28,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2021-12-14 19:12:28,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2021-12-14 19:12:28,428 INFO L130 BoogieDeclarations]: Found specification of procedure kill_all_async_requests_priv [2021-12-14 19:12:28,428 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_all_async_requests_priv [2021-12-14 19:12:28,428 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2021-12-14 19:12:28,428 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2021-12-14 19:12:28,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-12-14 19:12:28,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-12-14 19:12:28,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-12-14 19:12:28,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-12-14 19:12:28,429 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-12-14 19:12:28,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-12-14 19:12:28,429 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-14 19:12:28,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-14 19:12:28,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-12-14 19:12:28,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-12-14 19:12:28,429 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 19:12:28,430 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 19:12:28,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 19:12:28,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-12-14 19:12:28,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-12-14 19:12:28,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 19:12:28,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 19:12:28,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-12-14 19:12:28,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-12-14 19:12:28,430 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2021-12-14 19:12:28,431 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2021-12-14 19:12:28,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-14 19:12:28,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-14 19:12:28,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-12-14 19:12:28,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-12-14 19:12:28,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 19:12:28,962 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 19:12:28,964 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 19:12:29,352 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 19:12:30,447 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 19:12:30,462 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 19:12:30,462 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-14 19:12:30,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:12:30 BoogieIcfgContainer [2021-12-14 19:12:30,465 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 19:12:30,466 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 19:12:30,466 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 19:12:30,469 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 19:12:30,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 07:12:26" (1/3) ... [2021-12-14 19:12:30,470 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9c8f651 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:12:30, skipping insertion in model container [2021-12-14 19:12:30,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:12:28" (2/3) ... [2021-12-14 19:12:30,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9c8f651 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:12:30, skipping insertion in model container [2021-12-14 19:12:30,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:12:30" (3/3) ... [2021-12-14 19:12:30,472 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i [2021-12-14 19:12:30,476 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 19:12:30,476 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 33 error locations. [2021-12-14 19:12:30,513 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 19:12:30,517 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 [2021-12-14 19:12:30,517 INFO L340 AbstractCegarLoop]: Starting to check reachability of 33 error locations. [2021-12-14 19:12:30,545 INFO L276 IsEmpty]: Start isEmpty. Operand has 1113 states, 755 states have (on average 1.3019867549668873) internal successors, (983), 804 states have internal predecessors, (983), 251 states have call successors, (251), 74 states have call predecessors, (251), 73 states have return successors, (247), 241 states have call predecessors, (247), 247 states have call successors, (247) [2021-12-14 19:12:30,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-12-14 19:12:30,552 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:12:30,553 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:12:30,553 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-12-14 19:12:30,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:12:30,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1618419547, now seen corresponding path program 1 times [2021-12-14 19:12:30,562 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:12:30,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942137561] [2021-12-14 19:12:30,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:12:30,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:12:30,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:30,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 19:12:30,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:30,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 19:12:31,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:31,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-14 19:12:31,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:31,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 19:12:31,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:31,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-14 19:12:31,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:31,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-14 19:12:31,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:31,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-14 19:12:31,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:31,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:12:31,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:31,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-14 19:12:31,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:31,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-14 19:12:31,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:31,117 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-14 19:12:31,117 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:12:31,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942137561] [2021-12-14 19:12:31,117 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942137561] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:12:31,118 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:12:31,118 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 19:12:31,119 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587120775] [2021-12-14 19:12:31,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:12:31,122 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 19:12:31,122 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:12:31,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 19:12:31,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 19:12:31,147 INFO L87 Difference]: Start difference. First operand has 1113 states, 755 states have (on average 1.3019867549668873) internal successors, (983), 804 states have internal predecessors, (983), 251 states have call successors, (251), 74 states have call predecessors, (251), 73 states have return successors, (247), 241 states have call predecessors, (247), 247 states have call successors, (247) Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-12-14 19:12:32,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:12:32,922 INFO L93 Difference]: Finished difference Result 2159 states and 3014 transitions. [2021-12-14 19:12:32,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 19:12:32,924 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (11), 4 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 73 [2021-12-14 19:12:32,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:12:32,941 INFO L225 Difference]: With dead ends: 2159 [2021-12-14 19:12:32,941 INFO L226 Difference]: Without dead ends: 1095 [2021-12-14 19:12:32,956 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-14 19:12:32,959 INFO L933 BasicCegarLoop]: 1329 mSDtfsCounter, 2182 mSDsluCounter, 1524 mSDsCounter, 0 mSdLazyCounter, 1059 mSolverCounterSat, 928 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2313 SdHoareTripleChecker+Valid, 2853 SdHoareTripleChecker+Invalid, 1987 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 928 IncrementalHoareTripleChecker+Valid, 1059 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-12-14 19:12:32,959 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2313 Valid, 2853 Invalid, 1987 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [928 Valid, 1059 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-12-14 19:12:32,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1095 states. [2021-12-14 19:12:33,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1095 to 1095. [2021-12-14 19:12:33,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1095 states, 744 states have (on average 1.25) internal successors, (930), 789 states have internal predecessors, (930), 247 states have call successors, (247), 73 states have call predecessors, (247), 72 states have return successors, (245), 239 states have call predecessors, (245), 245 states have call successors, (245) [2021-12-14 19:12:33,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 1095 states and 1422 transitions. [2021-12-14 19:12:33,060 INFO L78 Accepts]: Start accepts. Automaton has 1095 states and 1422 transitions. Word has length 73 [2021-12-14 19:12:33,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:12:33,062 INFO L470 AbstractCegarLoop]: Abstraction has 1095 states and 1422 transitions. [2021-12-14 19:12:33,062 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-12-14 19:12:33,062 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 1422 transitions. [2021-12-14 19:12:33,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-12-14 19:12:33,069 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:12:33,069 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:12:33,069 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 19:12:33,069 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-12-14 19:12:33,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:12:33,070 INFO L85 PathProgramCache]: Analyzing trace with hash -1292456604, now seen corresponding path program 1 times [2021-12-14 19:12:33,070 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:12:33,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097910261] [2021-12-14 19:12:33,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:12:33,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:12:33,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:33,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 19:12:33,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:33,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 19:12:33,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:33,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-14 19:12:33,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:33,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 19:12:33,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:33,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-14 19:12:33,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:33,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-14 19:12:33,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:33,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-14 19:12:33,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:33,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:12:33,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:33,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-14 19:12:33,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:33,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-14 19:12:33,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:33,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 19:12:33,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:33,273 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-14 19:12:33,273 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:12:33,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097910261] [2021-12-14 19:12:33,274 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097910261] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:12:33,274 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:12:33,274 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 19:12:33,274 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065724529] [2021-12-14 19:12:33,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:12:33,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 19:12:33,275 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:12:33,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 19:12:33,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 19:12:33,276 INFO L87 Difference]: Start difference. First operand 1095 states and 1422 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-14 19:12:34,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:12:34,961 INFO L93 Difference]: Finished difference Result 1095 states and 1422 transitions. [2021-12-14 19:12:34,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 19:12:34,962 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (12), 4 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 79 [2021-12-14 19:12:34,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:12:34,969 INFO L225 Difference]: With dead ends: 1095 [2021-12-14 19:12:34,969 INFO L226 Difference]: Without dead ends: 1093 [2021-12-14 19:12:34,970 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-14 19:12:34,972 INFO L933 BasicCegarLoop]: 1311 mSDtfsCounter, 2150 mSDsluCounter, 1506 mSDsCounter, 0 mSdLazyCounter, 1047 mSolverCounterSat, 920 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2278 SdHoareTripleChecker+Valid, 2817 SdHoareTripleChecker+Invalid, 1967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 920 IncrementalHoareTripleChecker+Valid, 1047 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-12-14 19:12:34,972 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2278 Valid, 2817 Invalid, 1967 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [920 Valid, 1047 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-12-14 19:12:34,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1093 states. [2021-12-14 19:12:35,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1093 to 1093. [2021-12-14 19:12:35,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1093 states, 743 states have (on average 1.2489905787348587) internal successors, (928), 787 states have internal predecessors, (928), 247 states have call successors, (247), 73 states have call predecessors, (247), 72 states have return successors, (245), 239 states have call predecessors, (245), 245 states have call successors, (245) [2021-12-14 19:12:35,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1093 states to 1093 states and 1420 transitions. [2021-12-14 19:12:35,032 INFO L78 Accepts]: Start accepts. Automaton has 1093 states and 1420 transitions. Word has length 79 [2021-12-14 19:12:35,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:12:35,034 INFO L470 AbstractCegarLoop]: Abstraction has 1093 states and 1420 transitions. [2021-12-14 19:12:35,034 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-14 19:12:35,034 INFO L276 IsEmpty]: Start isEmpty. Operand 1093 states and 1420 transitions. [2021-12-14 19:12:35,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-12-14 19:12:35,036 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:12:35,036 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:12:35,037 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 19:12:35,037 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-12-14 19:12:35,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:12:35,038 INFO L85 PathProgramCache]: Analyzing trace with hash -105463235, now seen corresponding path program 1 times [2021-12-14 19:12:35,038 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:12:35,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997350971] [2021-12-14 19:12:35,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:12:35,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:12:35,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:35,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 19:12:35,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:35,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 19:12:35,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:35,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-14 19:12:35,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:35,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 19:12:35,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:35,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-14 19:12:35,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:35,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-14 19:12:35,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:35,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-14 19:12:35,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:35,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:12:35,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:35,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-14 19:12:35,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:35,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-14 19:12:35,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:35,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 19:12:35,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:35,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-14 19:12:35,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:35,224 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-14 19:12:35,225 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:12:35,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997350971] [2021-12-14 19:12:35,225 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997350971] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:12:35,225 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:12:35,225 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 19:12:35,225 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129781995] [2021-12-14 19:12:35,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:12:35,226 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 19:12:35,226 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:12:35,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 19:12:35,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 19:12:35,227 INFO L87 Difference]: Start difference. First operand 1093 states and 1420 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-14 19:12:36,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:12:36,847 INFO L93 Difference]: Finished difference Result 1093 states and 1420 transitions. [2021-12-14 19:12:36,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 19:12:36,847 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (13), 4 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 85 [2021-12-14 19:12:36,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:12:36,852 INFO L225 Difference]: With dead ends: 1093 [2021-12-14 19:12:36,852 INFO L226 Difference]: Without dead ends: 1091 [2021-12-14 19:12:36,853 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-14 19:12:36,853 INFO L933 BasicCegarLoop]: 1309 mSDtfsCounter, 2144 mSDsluCounter, 1506 mSDsCounter, 0 mSdLazyCounter, 1045 mSolverCounterSat, 920 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2271 SdHoareTripleChecker+Valid, 2815 SdHoareTripleChecker+Invalid, 1965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 920 IncrementalHoareTripleChecker+Valid, 1045 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-12-14 19:12:36,853 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2271 Valid, 2815 Invalid, 1965 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [920 Valid, 1045 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-12-14 19:12:36,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1091 states. [2021-12-14 19:12:36,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1091 to 1091. [2021-12-14 19:12:36,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1091 states, 742 states have (on average 1.247978436657682) internal successors, (926), 785 states have internal predecessors, (926), 247 states have call successors, (247), 73 states have call predecessors, (247), 72 states have return successors, (245), 239 states have call predecessors, (245), 245 states have call successors, (245) [2021-12-14 19:12:36,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 1091 states and 1418 transitions. [2021-12-14 19:12:36,888 INFO L78 Accepts]: Start accepts. Automaton has 1091 states and 1418 transitions. Word has length 85 [2021-12-14 19:12:36,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:12:36,888 INFO L470 AbstractCegarLoop]: Abstraction has 1091 states and 1418 transitions. [2021-12-14 19:12:36,888 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-14 19:12:36,888 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1418 transitions. [2021-12-14 19:12:36,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-12-14 19:12:36,889 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:12:36,889 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:12:36,890 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-14 19:12:36,890 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-12-14 19:12:36,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:12:36,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1332463831, now seen corresponding path program 1 times [2021-12-14 19:12:36,890 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:12:36,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861907040] [2021-12-14 19:12:36,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:12:36,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:12:36,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:36,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 19:12:36,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:36,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 19:12:36,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:36,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-14 19:12:36,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:36,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 19:12:36,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:36,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-14 19:12:36,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:36,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-14 19:12:36,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:36,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-14 19:12:37,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:37,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:12:37,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:37,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-14 19:12:37,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:37,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-14 19:12:37,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:37,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 19:12:37,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:37,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-14 19:12:37,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:37,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-14 19:12:37,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:37,036 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-14 19:12:37,036 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:12:37,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861907040] [2021-12-14 19:12:37,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861907040] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:12:37,036 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:12:37,037 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 19:12:37,037 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231161660] [2021-12-14 19:12:37,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:12:37,037 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 19:12:37,037 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:12:37,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 19:12:37,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 19:12:37,038 INFO L87 Difference]: Start difference. First operand 1091 states and 1418 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-14 19:12:38,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:12:38,639 INFO L93 Difference]: Finished difference Result 1091 states and 1418 transitions. [2021-12-14 19:12:38,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 19:12:38,640 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (14), 4 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 91 [2021-12-14 19:12:38,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:12:38,646 INFO L225 Difference]: With dead ends: 1091 [2021-12-14 19:12:38,646 INFO L226 Difference]: Without dead ends: 1089 [2021-12-14 19:12:38,646 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-14 19:12:38,648 INFO L933 BasicCegarLoop]: 1307 mSDtfsCounter, 2138 mSDsluCounter, 1506 mSDsCounter, 0 mSdLazyCounter, 1043 mSolverCounterSat, 920 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2264 SdHoareTripleChecker+Valid, 2813 SdHoareTripleChecker+Invalid, 1963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 920 IncrementalHoareTripleChecker+Valid, 1043 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-12-14 19:12:38,648 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2264 Valid, 2813 Invalid, 1963 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [920 Valid, 1043 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-12-14 19:12:38,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1089 states. [2021-12-14 19:12:38,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1089 to 1089. [2021-12-14 19:12:38,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1089 states, 741 states have (on average 1.2469635627530364) internal successors, (924), 783 states have internal predecessors, (924), 247 states have call successors, (247), 73 states have call predecessors, (247), 72 states have return successors, (245), 239 states have call predecessors, (245), 245 states have call successors, (245) [2021-12-14 19:12:38,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 1089 states and 1416 transitions. [2021-12-14 19:12:38,682 INFO L78 Accepts]: Start accepts. Automaton has 1089 states and 1416 transitions. Word has length 91 [2021-12-14 19:12:38,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:12:38,683 INFO L470 AbstractCegarLoop]: Abstraction has 1089 states and 1416 transitions. [2021-12-14 19:12:38,683 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-14 19:12:38,683 INFO L276 IsEmpty]: Start isEmpty. Operand 1089 states and 1416 transitions. [2021-12-14 19:12:38,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-12-14 19:12:38,684 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:12:38,684 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:12:38,684 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-14 19:12:38,685 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-12-14 19:12:38,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:12:38,686 INFO L85 PathProgramCache]: Analyzing trace with hash 394971754, now seen corresponding path program 1 times [2021-12-14 19:12:38,686 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:12:38,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101662851] [2021-12-14 19:12:38,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:12:38,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:12:38,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:38,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 19:12:38,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:38,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 19:12:38,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:38,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-14 19:12:38,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:38,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 19:12:38,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:38,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-14 19:12:38,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:38,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-14 19:12:38,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:38,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-14 19:12:38,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:38,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:12:38,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:38,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-14 19:12:38,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:38,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-14 19:12:38,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:38,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 19:12:38,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:38,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-14 19:12:38,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:38,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-14 19:12:38,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:38,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-14 19:12:38,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:38,921 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-14 19:12:38,921 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:12:38,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101662851] [2021-12-14 19:12:38,921 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101662851] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:12:38,921 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:12:38,921 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 19:12:38,921 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132945976] [2021-12-14 19:12:38,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:12:38,922 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 19:12:38,922 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:12:38,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 19:12:38,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 19:12:38,923 INFO L87 Difference]: Start difference. First operand 1089 states and 1416 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-12-14 19:12:40,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:12:40,446 INFO L93 Difference]: Finished difference Result 1089 states and 1416 transitions. [2021-12-14 19:12:40,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 19:12:40,446 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (15), 4 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 97 [2021-12-14 19:12:40,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:12:40,450 INFO L225 Difference]: With dead ends: 1089 [2021-12-14 19:12:40,450 INFO L226 Difference]: Without dead ends: 1087 [2021-12-14 19:12:40,451 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-14 19:12:40,451 INFO L933 BasicCegarLoop]: 1305 mSDtfsCounter, 2132 mSDsluCounter, 1506 mSDsCounter, 0 mSdLazyCounter, 1041 mSolverCounterSat, 920 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2257 SdHoareTripleChecker+Valid, 2811 SdHoareTripleChecker+Invalid, 1961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 920 IncrementalHoareTripleChecker+Valid, 1041 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-12-14 19:12:40,452 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2257 Valid, 2811 Invalid, 1961 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [920 Valid, 1041 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-12-14 19:12:40,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1087 states. [2021-12-14 19:12:40,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1087 to 1087. [2021-12-14 19:12:40,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1087 states, 740 states have (on average 1.2459459459459459) internal successors, (922), 781 states have internal predecessors, (922), 247 states have call successors, (247), 73 states have call predecessors, (247), 72 states have return successors, (245), 239 states have call predecessors, (245), 245 states have call successors, (245) [2021-12-14 19:12:40,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1087 states to 1087 states and 1414 transitions. [2021-12-14 19:12:40,481 INFO L78 Accepts]: Start accepts. Automaton has 1087 states and 1414 transitions. Word has length 97 [2021-12-14 19:12:40,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:12:40,481 INFO L470 AbstractCegarLoop]: Abstraction has 1087 states and 1414 transitions. [2021-12-14 19:12:40,481 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-12-14 19:12:40,481 INFO L276 IsEmpty]: Start isEmpty. Operand 1087 states and 1414 transitions. [2021-12-14 19:12:40,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-12-14 19:12:40,482 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:12:40,483 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:12:40,483 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-14 19:12:40,483 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-12-14 19:12:40,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:12:40,483 INFO L85 PathProgramCache]: Analyzing trace with hash 16192644, now seen corresponding path program 1 times [2021-12-14 19:12:40,483 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:12:40,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628023456] [2021-12-14 19:12:40,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:12:40,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:12:40,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:40,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 19:12:40,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:40,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 19:12:40,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:40,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-14 19:12:40,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:40,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 19:12:40,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:40,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-14 19:12:40,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:40,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-14 19:12:40,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:40,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-14 19:12:40,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:40,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:12:40,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:40,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-14 19:12:40,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:40,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-14 19:12:40,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:40,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 19:12:40,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:40,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-14 19:12:40,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:40,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-14 19:12:40,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:40,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-14 19:12:40,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:40,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-14 19:12:40,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:40,673 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-14 19:12:40,675 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:12:40,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628023456] [2021-12-14 19:12:40,675 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628023456] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:12:40,675 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:12:40,675 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 19:12:40,675 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153272703] [2021-12-14 19:12:40,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:12:40,676 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 19:12:40,676 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:12:40,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 19:12:40,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 19:12:40,677 INFO L87 Difference]: Start difference. First operand 1087 states and 1414 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-14 19:12:42,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:12:42,182 INFO L93 Difference]: Finished difference Result 1087 states and 1414 transitions. [2021-12-14 19:12:42,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 19:12:42,183 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (16), 4 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 103 [2021-12-14 19:12:42,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:12:42,187 INFO L225 Difference]: With dead ends: 1087 [2021-12-14 19:12:42,187 INFO L226 Difference]: Without dead ends: 1085 [2021-12-14 19:12:42,188 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-14 19:12:42,188 INFO L933 BasicCegarLoop]: 1303 mSDtfsCounter, 2126 mSDsluCounter, 1506 mSDsCounter, 0 mSdLazyCounter, 1039 mSolverCounterSat, 920 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2250 SdHoareTripleChecker+Valid, 2809 SdHoareTripleChecker+Invalid, 1959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 920 IncrementalHoareTripleChecker+Valid, 1039 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-12-14 19:12:42,188 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2250 Valid, 2809 Invalid, 1959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [920 Valid, 1039 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-12-14 19:12:42,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1085 states. [2021-12-14 19:12:42,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1085 to 1085. [2021-12-14 19:12:42,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1085 states, 739 states have (on average 1.2449255751014885) internal successors, (920), 779 states have internal predecessors, (920), 247 states have call successors, (247), 73 states have call predecessors, (247), 72 states have return successors, (245), 239 states have call predecessors, (245), 245 states have call successors, (245) [2021-12-14 19:12:42,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 1085 states and 1412 transitions. [2021-12-14 19:12:42,217 INFO L78 Accepts]: Start accepts. Automaton has 1085 states and 1412 transitions. Word has length 103 [2021-12-14 19:12:42,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:12:42,218 INFO L470 AbstractCegarLoop]: Abstraction has 1085 states and 1412 transitions. [2021-12-14 19:12:42,218 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-14 19:12:42,218 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1412 transitions. [2021-12-14 19:12:42,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-12-14 19:12:42,219 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:12:42,219 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:12:42,219 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-14 19:12:42,219 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-12-14 19:12:42,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:12:42,220 INFO L85 PathProgramCache]: Analyzing trace with hash 799383390, now seen corresponding path program 1 times [2021-12-14 19:12:42,220 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:12:42,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48849684] [2021-12-14 19:12:42,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:12:42,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:12:42,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:42,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 19:12:42,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:42,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 19:12:42,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:42,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-14 19:12:42,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:42,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 19:12:42,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:42,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-14 19:12:42,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:42,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-14 19:12:42,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:42,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-14 19:12:42,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:42,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:12:42,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:42,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-14 19:12:42,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:42,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-14 19:12:42,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:42,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 19:12:42,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:42,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-14 19:12:42,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:42,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-14 19:12:42,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:42,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-14 19:12:42,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:42,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-14 19:12:42,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:42,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-14 19:12:42,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:42,407 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-14 19:12:42,407 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:12:42,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48849684] [2021-12-14 19:12:42,407 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48849684] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:12:42,407 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:12:42,408 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 19:12:42,408 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451405946] [2021-12-14 19:12:42,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:12:42,408 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 19:12:42,408 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:12:42,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 19:12:42,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 19:12:42,409 INFO L87 Difference]: Start difference. First operand 1085 states and 1412 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-14 19:12:43,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:12:43,914 INFO L93 Difference]: Finished difference Result 1085 states and 1412 transitions. [2021-12-14 19:12:43,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 19:12:43,914 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (17), 4 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 109 [2021-12-14 19:12:43,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:12:43,919 INFO L225 Difference]: With dead ends: 1085 [2021-12-14 19:12:43,919 INFO L226 Difference]: Without dead ends: 1083 [2021-12-14 19:12:43,919 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-14 19:12:43,919 INFO L933 BasicCegarLoop]: 1301 mSDtfsCounter, 2120 mSDsluCounter, 1506 mSDsCounter, 0 mSdLazyCounter, 1037 mSolverCounterSat, 920 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2243 SdHoareTripleChecker+Valid, 2807 SdHoareTripleChecker+Invalid, 1957 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 920 IncrementalHoareTripleChecker+Valid, 1037 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-12-14 19:12:43,920 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2243 Valid, 2807 Invalid, 1957 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [920 Valid, 1037 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-12-14 19:12:43,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1083 states. [2021-12-14 19:12:43,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1083 to 1083. [2021-12-14 19:12:43,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1083 states, 738 states have (on average 1.2439024390243902) internal successors, (918), 777 states have internal predecessors, (918), 247 states have call successors, (247), 73 states have call predecessors, (247), 72 states have return successors, (245), 239 states have call predecessors, (245), 245 states have call successors, (245) [2021-12-14 19:12:43,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1410 transitions. [2021-12-14 19:12:43,948 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1410 transitions. Word has length 109 [2021-12-14 19:12:43,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:12:43,948 INFO L470 AbstractCegarLoop]: Abstraction has 1083 states and 1410 transitions. [2021-12-14 19:12:43,948 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-14 19:12:43,949 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1410 transitions. [2021-12-14 19:12:43,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-12-14 19:12:43,950 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:12:43,950 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:12:43,950 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-14 19:12:43,950 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-12-14 19:12:43,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:12:43,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1328973274, now seen corresponding path program 1 times [2021-12-14 19:12:43,951 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:12:43,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095035751] [2021-12-14 19:12:43,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:12:43,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:12:43,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:44,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 19:12:44,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:44,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 19:12:44,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:44,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-14 19:12:44,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:44,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 19:12:44,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:44,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-14 19:12:44,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:44,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-14 19:12:44,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:44,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-14 19:12:44,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:44,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:12:44,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:44,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-14 19:12:44,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:44,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-14 19:12:44,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:44,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 19:12:44,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:44,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-14 19:12:44,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:44,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-14 19:12:44,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:44,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-14 19:12:44,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:44,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-14 19:12:44,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:44,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-14 19:12:44,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:44,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-14 19:12:44,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:44,122 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-14 19:12:44,123 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:12:44,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095035751] [2021-12-14 19:12:44,123 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095035751] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:12:44,123 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:12:44,123 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 19:12:44,123 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126136417] [2021-12-14 19:12:44,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:12:44,124 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 19:12:44,124 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:12:44,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 19:12:44,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 19:12:44,124 INFO L87 Difference]: Start difference. First operand 1083 states and 1410 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-14 19:12:47,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:12:47,322 INFO L93 Difference]: Finished difference Result 2078 states and 2773 transitions. [2021-12-14 19:12:47,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-14 19:12:47,323 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (18), 4 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 115 [2021-12-14 19:12:47,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:12:47,331 INFO L225 Difference]: With dead ends: 2078 [2021-12-14 19:12:47,332 INFO L226 Difference]: Without dead ends: 2076 [2021-12-14 19:12:47,332 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-14 19:12:47,333 INFO L933 BasicCegarLoop]: 1508 mSDtfsCounter, 3038 mSDsluCounter, 2351 mSDsCounter, 0 mSdLazyCounter, 2231 mSolverCounterSat, 1625 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3115 SdHoareTripleChecker+Valid, 3859 SdHoareTripleChecker+Invalid, 3856 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1625 IncrementalHoareTripleChecker+Valid, 2231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-12-14 19:12:47,333 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3115 Valid, 3859 Invalid, 3856 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1625 Valid, 2231 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2021-12-14 19:12:47,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2076 states. [2021-12-14 19:12:47,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2076 to 1942. [2021-12-14 19:12:47,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1942 states, 1341 states have (on average 1.2483221476510067) internal successors, (1674), 1390 states have internal predecessors, (1674), 443 states have call successors, (443), 133 states have call predecessors, (443), 132 states have return successors, (520), 429 states have call predecessors, (520), 441 states have call successors, (520) [2021-12-14 19:12:47,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1942 states to 1942 states and 2637 transitions. [2021-12-14 19:12:47,401 INFO L78 Accepts]: Start accepts. Automaton has 1942 states and 2637 transitions. Word has length 115 [2021-12-14 19:12:47,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:12:47,401 INFO L470 AbstractCegarLoop]: Abstraction has 1942 states and 2637 transitions. [2021-12-14 19:12:47,401 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-14 19:12:47,401 INFO L276 IsEmpty]: Start isEmpty. Operand 1942 states and 2637 transitions. [2021-12-14 19:12:47,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-12-14 19:12:47,404 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:12:47,404 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:12:47,404 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-14 19:12:47,404 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-12-14 19:12:47,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:12:47,404 INFO L85 PathProgramCache]: Analyzing trace with hash -1537881143, now seen corresponding path program 1 times [2021-12-14 19:12:47,405 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:12:47,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417144838] [2021-12-14 19:12:47,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:12:47,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:12:47,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:47,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 19:12:47,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:47,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 19:12:47,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:47,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-14 19:12:47,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:47,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 19:12:47,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:47,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-14 19:12:47,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:47,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-14 19:12:47,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:47,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-14 19:12:47,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:47,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:12:47,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:47,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-14 19:12:47,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:47,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-14 19:12:47,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:47,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 19:12:47,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:47,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-14 19:12:47,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:47,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-14 19:12:47,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:47,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-14 19:12:47,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:47,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-14 19:12:47,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:47,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-14 19:12:47,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:47,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-14 19:12:47,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:47,568 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-14 19:12:47,568 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:12:47,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417144838] [2021-12-14 19:12:47,569 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417144838] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:12:47,569 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:12:47,569 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 19:12:47,569 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379394485] [2021-12-14 19:12:47,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:12:47,570 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 19:12:47,570 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:12:47,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 19:12:47,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 19:12:47,571 INFO L87 Difference]: Start difference. First operand 1942 states and 2637 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-14 19:12:49,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:12:49,181 INFO L93 Difference]: Finished difference Result 1942 states and 2637 transitions. [2021-12-14 19:12:49,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 19:12:49,182 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (18), 4 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 117 [2021-12-14 19:12:49,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:12:49,189 INFO L225 Difference]: With dead ends: 1942 [2021-12-14 19:12:49,189 INFO L226 Difference]: Without dead ends: 1940 [2021-12-14 19:12:49,189 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-14 19:12:49,190 INFO L933 BasicCegarLoop]: 1298 mSDtfsCounter, 2112 mSDsluCounter, 1506 mSDsCounter, 0 mSdLazyCounter, 1036 mSolverCounterSat, 920 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2234 SdHoareTripleChecker+Valid, 2804 SdHoareTripleChecker+Invalid, 1956 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 920 IncrementalHoareTripleChecker+Valid, 1036 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-12-14 19:12:49,190 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2234 Valid, 2804 Invalid, 1956 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [920 Valid, 1036 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-12-14 19:12:49,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1940 states. [2021-12-14 19:12:49,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1940 to 1940. [2021-12-14 19:12:49,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1940 states, 1340 states have (on average 1.2470149253731344) internal successors, (1671), 1388 states have internal predecessors, (1671), 443 states have call successors, (443), 133 states have call predecessors, (443), 132 states have return successors, (520), 429 states have call predecessors, (520), 441 states have call successors, (520) [2021-12-14 19:12:49,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1940 states to 1940 states and 2634 transitions. [2021-12-14 19:12:49,248 INFO L78 Accepts]: Start accepts. Automaton has 1940 states and 2634 transitions. Word has length 117 [2021-12-14 19:12:49,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:12:49,248 INFO L470 AbstractCegarLoop]: Abstraction has 1940 states and 2634 transitions. [2021-12-14 19:12:49,248 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-14 19:12:49,249 INFO L276 IsEmpty]: Start isEmpty. Operand 1940 states and 2634 transitions. [2021-12-14 19:12:49,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-12-14 19:12:49,250 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:12:49,250 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:12:49,250 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-14 19:12:49,250 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_alloc_irq_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-12-14 19:12:49,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:12:49,251 INFO L85 PathProgramCache]: Analyzing trace with hash 137767904, now seen corresponding path program 1 times [2021-12-14 19:12:49,251 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:12:49,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836352414] [2021-12-14 19:12:49,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:12:49,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:12:49,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:49,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 19:12:49,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:49,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 19:12:49,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:49,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-14 19:12:49,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:49,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 19:12:49,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:49,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-14 19:12:49,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:49,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-14 19:12:49,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:49,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-14 19:12:49,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:49,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:12:49,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:49,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-14 19:12:49,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:49,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-14 19:12:49,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:49,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-14 19:12:49,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:49,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-14 19:12:49,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:49,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:12:49,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:49,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:12:49,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:49,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:12:49,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:49,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-14 19:12:49,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:49,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-14 19:12:49,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:49,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-14 19:12:49,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:49,433 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-12-14 19:12:49,434 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:12:49,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836352414] [2021-12-14 19:12:49,434 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836352414] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:12:49,434 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:12:49,434 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-14 19:12:49,434 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322806438] [2021-12-14 19:12:49,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:12:49,435 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-14 19:12:49,435 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:12:49,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-14 19:12:49,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-12-14 19:12:49,435 INFO L87 Difference]: Start difference. First operand 1940 states and 2634 transitions. Second operand has 10 states, 10 states have (on average 6.4) internal successors, (64), 7 states have internal predecessors, (64), 3 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-14 19:12:54,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:12:54,455 INFO L93 Difference]: Finished difference Result 4603 states and 6534 transitions. [2021-12-14 19:12:54,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-14 19:12:54,455 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.4) internal successors, (64), 7 states have internal predecessors, (64), 3 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 130 [2021-12-14 19:12:54,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:12:54,469 INFO L225 Difference]: With dead ends: 4603 [2021-12-14 19:12:54,469 INFO L226 Difference]: Without dead ends: 2922 [2021-12-14 19:12:54,478 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2021-12-14 19:12:54,479 INFO L933 BasicCegarLoop]: 1756 mSDtfsCounter, 3098 mSDsluCounter, 6423 mSDsCounter, 0 mSdLazyCounter, 4703 mSolverCounterSat, 2010 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3098 SdHoareTripleChecker+Valid, 8179 SdHoareTripleChecker+Invalid, 6713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2010 IncrementalHoareTripleChecker+Valid, 4703 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2021-12-14 19:12:54,479 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3098 Valid, 8179 Invalid, 6713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2010 Valid, 4703 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2021-12-14 19:12:54,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2922 states. [2021-12-14 19:12:54,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2922 to 2159. [2021-12-14 19:12:54,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2159 states, 1495 states have (on average 1.245484949832776) internal successors, (1862), 1546 states have internal predecessors, (1862), 506 states have call successors, (506), 133 states have call predecessors, (506), 133 states have return successors, (598), 494 states have call predecessors, (598), 504 states have call successors, (598) [2021-12-14 19:12:54,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2159 states to 2159 states and 2966 transitions. [2021-12-14 19:12:54,578 INFO L78 Accepts]: Start accepts. Automaton has 2159 states and 2966 transitions. Word has length 130 [2021-12-14 19:12:54,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:12:54,579 INFO L470 AbstractCegarLoop]: Abstraction has 2159 states and 2966 transitions. [2021-12-14 19:12:54,579 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.4) internal successors, (64), 7 states have internal predecessors, (64), 3 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-14 19:12:54,579 INFO L276 IsEmpty]: Start isEmpty. Operand 2159 states and 2966 transitions. [2021-12-14 19:12:54,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-12-14 19:12:54,580 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:12:54,581 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:12:54,581 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-14 19:12:54,581 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_alloc_irq_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-12-14 19:12:54,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:12:54,582 INFO L85 PathProgramCache]: Analyzing trace with hash -893272994, now seen corresponding path program 1 times [2021-12-14 19:12:54,582 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:12:54,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35187222] [2021-12-14 19:12:54,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:12:54,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:12:54,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:54,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 19:12:54,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:54,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 19:12:54,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:54,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-14 19:12:54,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:54,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 19:12:54,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:54,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-14 19:12:54,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:54,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-14 19:12:54,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:54,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-14 19:12:54,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:54,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:12:54,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:54,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-14 19:12:54,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:54,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-14 19:12:54,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:54,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-14 19:12:54,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:54,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-14 19:12:54,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:54,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:12:54,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:54,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:12:54,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:54,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:12:54,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:54,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-14 19:12:54,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:54,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-14 19:12:54,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:54,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-14 19:12:54,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:54,790 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-12-14 19:12:54,791 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:12:54,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35187222] [2021-12-14 19:12:54,791 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35187222] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:12:54,791 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:12:54,791 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-14 19:12:54,791 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147777469] [2021-12-14 19:12:54,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:12:54,792 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-14 19:12:54,792 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:12:54,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-14 19:12:54,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-14 19:12:54,793 INFO L87 Difference]: Start difference. First operand 2159 states and 2966 transitions. Second operand has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-14 19:12:58,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:12:58,233 INFO L93 Difference]: Finished difference Result 4434 states and 6496 transitions. [2021-12-14 19:12:58,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-14 19:12:58,234 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 130 [2021-12-14 19:12:58,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:12:58,246 INFO L225 Difference]: With dead ends: 4434 [2021-12-14 19:12:58,246 INFO L226 Difference]: Without dead ends: 2380 [2021-12-14 19:12:58,257 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2021-12-14 19:12:58,258 INFO L933 BasicCegarLoop]: 1286 mSDtfsCounter, 2737 mSDsluCounter, 3031 mSDsCounter, 0 mSdLazyCounter, 3279 mSolverCounterSat, 1529 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2881 SdHoareTripleChecker+Valid, 4317 SdHoareTripleChecker+Invalid, 4808 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1529 IncrementalHoareTripleChecker+Valid, 3279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-12-14 19:12:58,258 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2881 Valid, 4317 Invalid, 4808 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1529 Valid, 3279 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-12-14 19:12:58,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2380 states. [2021-12-14 19:12:58,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2380 to 2159. [2021-12-14 19:12:58,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2159 states, 1495 states have (on average 1.2441471571906355) internal successors, (1860), 1546 states have internal predecessors, (1860), 506 states have call successors, (506), 133 states have call predecessors, (506), 133 states have return successors, (598), 494 states have call predecessors, (598), 504 states have call successors, (598) [2021-12-14 19:12:58,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2159 states to 2159 states and 2964 transitions. [2021-12-14 19:12:58,393 INFO L78 Accepts]: Start accepts. Automaton has 2159 states and 2964 transitions. Word has length 130 [2021-12-14 19:12:58,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:12:58,394 INFO L470 AbstractCegarLoop]: Abstraction has 2159 states and 2964 transitions. [2021-12-14 19:12:58,395 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-14 19:12:58,395 INFO L276 IsEmpty]: Start isEmpty. Operand 2159 states and 2964 transitions. [2021-12-14 19:12:58,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-12-14 19:12:58,396 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:12:58,397 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:12:58,397 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-14 19:12:58,397 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_alloc_irq_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-12-14 19:12:58,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:12:58,397 INFO L85 PathProgramCache]: Analyzing trace with hash -893213412, now seen corresponding path program 1 times [2021-12-14 19:12:58,397 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:12:58,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787434751] [2021-12-14 19:12:58,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:12:58,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:12:58,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:58,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 19:12:58,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:58,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 19:12:58,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:58,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-14 19:12:58,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:58,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 19:12:58,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:58,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-14 19:12:58,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:58,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-14 19:12:58,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:58,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-14 19:12:58,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:58,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:12:58,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:58,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-14 19:12:58,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:58,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-14 19:12:58,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:58,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-14 19:12:58,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:58,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-14 19:12:58,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:58,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:12:58,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:58,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:12:58,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:58,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:12:58,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:58,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-14 19:12:58,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:58,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-14 19:12:58,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:58,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-14 19:12:58,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:12:58,562 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-12-14 19:12:58,562 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:12:58,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787434751] [2021-12-14 19:12:58,562 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787434751] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:12:58,562 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:12:58,563 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-14 19:12:58,563 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893942971] [2021-12-14 19:12:58,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:12:58,563 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-14 19:12:58,563 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:12:58,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-14 19:12:58,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-14 19:12:58,564 INFO L87 Difference]: Start difference. First operand 2159 states and 2964 transitions. Second operand has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2021-12-14 19:13:01,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:13:01,238 INFO L93 Difference]: Finished difference Result 2380 states and 3389 transitions. [2021-12-14 19:13:01,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-14 19:13:01,239 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 130 [2021-12-14 19:13:01,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:13:01,247 INFO L225 Difference]: With dead ends: 2380 [2021-12-14 19:13:01,247 INFO L226 Difference]: Without dead ends: 2378 [2021-12-14 19:13:01,248 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-12-14 19:13:01,249 INFO L933 BasicCegarLoop]: 1286 mSDtfsCounter, 1637 mSDsluCounter, 2658 mSDsCounter, 0 mSdLazyCounter, 2216 mSolverCounterSat, 1223 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1637 SdHoareTripleChecker+Valid, 3944 SdHoareTripleChecker+Invalid, 3439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1223 IncrementalHoareTripleChecker+Valid, 2216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-12-14 19:13:01,249 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1637 Valid, 3944 Invalid, 3439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1223 Valid, 2216 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-12-14 19:13:01,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2378 states. [2021-12-14 19:13:01,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2378 to 2157. [2021-12-14 19:13:01,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2157 states, 1494 states have (on average 1.2429718875502007) internal successors, (1857), 1544 states have internal predecessors, (1857), 506 states have call successors, (506), 133 states have call predecessors, (506), 133 states have return successors, (598), 494 states have call predecessors, (598), 504 states have call successors, (598) [2021-12-14 19:13:01,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2157 states to 2157 states and 2961 transitions. [2021-12-14 19:13:01,332 INFO L78 Accepts]: Start accepts. Automaton has 2157 states and 2961 transitions. Word has length 130 [2021-12-14 19:13:01,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:13:01,333 INFO L470 AbstractCegarLoop]: Abstraction has 2157 states and 2961 transitions. [2021-12-14 19:13:01,333 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2021-12-14 19:13:01,333 INFO L276 IsEmpty]: Start isEmpty. Operand 2157 states and 2961 transitions. [2021-12-14 19:13:01,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-12-14 19:13:01,334 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:13:01,335 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:13:01,335 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-14 19:13:01,335 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-12-14 19:13:01,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:13:01,335 INFO L85 PathProgramCache]: Analyzing trace with hash 1817335257, now seen corresponding path program 1 times [2021-12-14 19:13:01,335 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:13:01,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260079941] [2021-12-14 19:13:01,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:13:01,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:13:01,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:01,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 19:13:01,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:01,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 19:13:01,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:01,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-14 19:13:01,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:01,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 19:13:01,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:01,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-14 19:13:01,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:01,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-14 19:13:01,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:01,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-14 19:13:01,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:01,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:13:01,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:01,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-14 19:13:01,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:01,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-14 19:13:01,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:01,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-14 19:13:01,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:01,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-14 19:13:01,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:01,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:13:01,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:01,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:13:01,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:01,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:13:01,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:01,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-14 19:13:01,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:01,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-14 19:13:01,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:01,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-14 19:13:01,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:01,586 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-12-14 19:13:01,586 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:13:01,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260079941] [2021-12-14 19:13:01,586 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260079941] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:13:01,587 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:13:01,587 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-14 19:13:01,587 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36471692] [2021-12-14 19:13:01,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:13:01,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-14 19:13:01,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:13:01,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-14 19:13:01,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-12-14 19:13:01,588 INFO L87 Difference]: Start difference. First operand 2157 states and 2961 transitions. Second operand has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 1 states have call successors, (18) [2021-12-14 19:13:05,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:13:05,454 INFO L93 Difference]: Finished difference Result 4459 states and 6425 transitions. [2021-12-14 19:13:05,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-14 19:13:05,454 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 1 states have call successors, (18) Word has length 127 [2021-12-14 19:13:05,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:13:05,465 INFO L225 Difference]: With dead ends: 4459 [2021-12-14 19:13:05,465 INFO L226 Difference]: Without dead ends: 2471 [2021-12-14 19:13:05,475 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=255, Unknown=0, NotChecked=0, Total=342 [2021-12-14 19:13:05,475 INFO L933 BasicCegarLoop]: 1258 mSDtfsCounter, 1967 mSDsluCounter, 3438 mSDsCounter, 0 mSdLazyCounter, 3191 mSolverCounterSat, 1644 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1967 SdHoareTripleChecker+Valid, 4696 SdHoareTripleChecker+Invalid, 4835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1644 IncrementalHoareTripleChecker+Valid, 3191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-12-14 19:13:05,475 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1967 Valid, 4696 Invalid, 4835 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1644 Valid, 3191 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-12-14 19:13:05,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2471 states. [2021-12-14 19:13:05,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2471 to 2200. [2021-12-14 19:13:05,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2200 states, 1525 states have (on average 1.241967213114754) internal successors, (1894), 1576 states have internal predecessors, (1894), 507 states have call successors, (507), 133 states have call predecessors, (507), 144 states have return successors, (633), 505 states have call predecessors, (633), 505 states have call successors, (633) [2021-12-14 19:13:05,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2200 states to 2200 states and 3034 transitions. [2021-12-14 19:13:05,590 INFO L78 Accepts]: Start accepts. Automaton has 2200 states and 3034 transitions. Word has length 127 [2021-12-14 19:13:05,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:13:05,591 INFO L470 AbstractCegarLoop]: Abstraction has 2200 states and 3034 transitions. [2021-12-14 19:13:05,591 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 1 states have call successors, (18) [2021-12-14 19:13:05,591 INFO L276 IsEmpty]: Start isEmpty. Operand 2200 states and 3034 transitions. [2021-12-14 19:13:05,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-12-14 19:13:05,593 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:13:05,593 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:13:05,593 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-14 19:13:05,593 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-12-14 19:13:05,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:13:05,594 INFO L85 PathProgramCache]: Analyzing trace with hash -1136239099, now seen corresponding path program 1 times [2021-12-14 19:13:05,594 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:13:05,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254919638] [2021-12-14 19:13:05,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:13:05,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:13:05,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:05,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 19:13:05,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:05,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 19:13:05,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:05,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-14 19:13:05,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:05,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 19:13:05,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:05,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-14 19:13:05,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:05,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-14 19:13:05,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:05,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-14 19:13:05,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:05,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:13:05,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:05,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-14 19:13:05,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:05,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-14 19:13:05,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:05,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 19:13:05,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:05,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-14 19:13:05,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:05,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-14 19:13:05,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:05,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-14 19:13:05,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:05,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-14 19:13:05,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:05,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-14 19:13:05,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:05,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-14 19:13:05,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:05,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-14 19:13:05,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:05,766 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-14 19:13:05,766 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:13:05,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254919638] [2021-12-14 19:13:05,766 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254919638] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:13:05,766 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:13:05,766 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 19:13:05,766 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663004521] [2021-12-14 19:13:05,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:13:05,767 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 19:13:05,767 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:13:05,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 19:13:05,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 19:13:05,768 INFO L87 Difference]: Start difference. First operand 2200 states and 3034 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-14 19:13:07,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:13:07,272 INFO L93 Difference]: Finished difference Result 2200 states and 3034 transitions. [2021-12-14 19:13:07,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 19:13:07,273 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (19), 4 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 123 [2021-12-14 19:13:07,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:13:07,280 INFO L225 Difference]: With dead ends: 2200 [2021-12-14 19:13:07,280 INFO L226 Difference]: Without dead ends: 2198 [2021-12-14 19:13:07,281 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-14 19:13:07,281 INFO L933 BasicCegarLoop]: 1294 mSDtfsCounter, 2099 mSDsluCounter, 1506 mSDsCounter, 0 mSdLazyCounter, 1030 mSolverCounterSat, 920 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2220 SdHoareTripleChecker+Valid, 2800 SdHoareTripleChecker+Invalid, 1950 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 920 IncrementalHoareTripleChecker+Valid, 1030 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-12-14 19:13:07,281 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2220 Valid, 2800 Invalid, 1950 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [920 Valid, 1030 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-12-14 19:13:07,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2198 states. [2021-12-14 19:13:07,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2198 to 2198. [2021-12-14 19:13:07,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2198 states, 1524 states have (on average 1.2414698162729658) internal successors, (1892), 1574 states have internal predecessors, (1892), 507 states have call successors, (507), 133 states have call predecessors, (507), 144 states have return successors, (633), 505 states have call predecessors, (633), 505 states have call successors, (633) [2021-12-14 19:13:07,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2198 states to 2198 states and 3032 transitions. [2021-12-14 19:13:07,373 INFO L78 Accepts]: Start accepts. Automaton has 2198 states and 3032 transitions. Word has length 123 [2021-12-14 19:13:07,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:13:07,373 INFO L470 AbstractCegarLoop]: Abstraction has 2198 states and 3032 transitions. [2021-12-14 19:13:07,373 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-14 19:13:07,374 INFO L276 IsEmpty]: Start isEmpty. Operand 2198 states and 3032 transitions. [2021-12-14 19:13:07,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-12-14 19:13:07,376 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:13:07,376 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:13:07,376 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-14 19:13:07,376 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-12-14 19:13:07,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:13:07,376 INFO L85 PathProgramCache]: Analyzing trace with hash 211880812, now seen corresponding path program 1 times [2021-12-14 19:13:07,377 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:13:07,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265738656] [2021-12-14 19:13:07,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:13:07,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:13:07,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:07,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 19:13:07,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:07,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 19:13:07,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:07,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-14 19:13:07,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:07,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 19:13:07,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:07,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-14 19:13:07,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:07,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-14 19:13:07,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:07,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-14 19:13:07,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:07,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:13:07,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:07,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-14 19:13:07,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:07,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-14 19:13:07,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:07,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-14 19:13:07,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:07,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-14 19:13:07,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:07,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:13:07,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:07,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:13:07,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:07,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:13:07,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:07,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-14 19:13:07,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:07,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-14 19:13:07,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:07,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-14 19:13:07,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:07,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:13:07,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:07,547 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-12-14 19:13:07,547 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:13:07,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265738656] [2021-12-14 19:13:07,547 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265738656] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:13:07,547 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:13:07,548 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 19:13:07,548 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063333699] [2021-12-14 19:13:07,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:13:07,548 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 19:13:07,548 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:13:07,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 19:13:07,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 19:13:07,549 INFO L87 Difference]: Start difference. First operand 2198 states and 3032 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-14 19:13:09,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:13:09,279 INFO L93 Difference]: Finished difference Result 4499 states and 6647 transitions. [2021-12-14 19:13:09,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 19:13:09,279 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 137 [2021-12-14 19:13:09,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:13:09,289 INFO L225 Difference]: With dead ends: 4499 [2021-12-14 19:13:09,289 INFO L226 Difference]: Without dead ends: 2406 [2021-12-14 19:13:09,303 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-14 19:13:09,304 INFO L933 BasicCegarLoop]: 1281 mSDtfsCounter, 2692 mSDsluCounter, 1138 mSDsCounter, 0 mSdLazyCounter, 887 mSolverCounterSat, 1509 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2836 SdHoareTripleChecker+Valid, 2419 SdHoareTripleChecker+Invalid, 2396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1509 IncrementalHoareTripleChecker+Valid, 887 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-12-14 19:13:09,304 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2836 Valid, 2419 Invalid, 2396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1509 Valid, 887 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-12-14 19:13:09,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2406 states. [2021-12-14 19:13:09,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2406 to 2192. [2021-12-14 19:13:09,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2192 states, 1519 states have (on average 1.23963133640553) internal successors, (1883), 1568 states have internal predecessors, (1883), 507 states have call successors, (507), 133 states have call predecessors, (507), 144 states have return successors, (633), 505 states have call predecessors, (633), 505 states have call successors, (633) [2021-12-14 19:13:09,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2192 states to 2192 states and 3023 transitions. [2021-12-14 19:13:09,404 INFO L78 Accepts]: Start accepts. Automaton has 2192 states and 3023 transitions. Word has length 137 [2021-12-14 19:13:09,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:13:09,404 INFO L470 AbstractCegarLoop]: Abstraction has 2192 states and 3023 transitions. [2021-12-14 19:13:09,405 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-14 19:13:09,405 INFO L276 IsEmpty]: Start isEmpty. Operand 2192 states and 3023 transitions. [2021-12-14 19:13:09,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-12-14 19:13:09,407 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:13:09,407 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2021-12-14 19:13:09,408 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-14 19:13:09,408 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_usb_dev_usb_put_devErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-12-14 19:13:09,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:13:09,408 INFO L85 PathProgramCache]: Analyzing trace with hash 737066869, now seen corresponding path program 1 times [2021-12-14 19:13:09,408 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:13:09,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712999228] [2021-12-14 19:13:09,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:13:09,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:13:09,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:09,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 19:13:09,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:09,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 19:13:09,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:09,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-14 19:13:09,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:09,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 19:13:09,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:09,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-14 19:13:09,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:09,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:13:09,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:09,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:13:09,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:09,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:13:09,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:09,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-14 19:13:09,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:09,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:13:09,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:09,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:13:09,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:09,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:13:09,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:09,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-14 19:13:09,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:09,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:13:09,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:09,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:13:09,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:09,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:13:09,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:09,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-14 19:13:09,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:09,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:13:09,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:09,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:13:09,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:09,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:13:09,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:09,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-14 19:13:09,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:09,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:13:09,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:09,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:13:09,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:09,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:13:09,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:09,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-14 19:13:09,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:09,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-14 19:13:09,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:09,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-14 19:13:09,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:09,783 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2021-12-14 19:13:09,783 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:13:09,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712999228] [2021-12-14 19:13:09,785 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712999228] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:13:09,785 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:13:09,785 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-12-14 19:13:09,785 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951239622] [2021-12-14 19:13:09,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:13:09,786 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-14 19:13:09,786 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:13:09,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-14 19:13:09,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-12-14 19:13:09,787 INFO L87 Difference]: Start difference. First operand 2192 states and 3023 transitions. Second operand has 12 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 8 states have internal predecessors, (52), 3 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) [2021-12-14 19:13:18,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:13:18,285 INFO L93 Difference]: Finished difference Result 5931 states and 8656 transitions. [2021-12-14 19:13:18,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-14 19:13:18,287 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 8 states have internal predecessors, (52), 3 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 166 [2021-12-14 19:13:18,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:13:18,300 INFO L225 Difference]: With dead ends: 5931 [2021-12-14 19:13:18,300 INFO L226 Difference]: Without dead ends: 4022 [2021-12-14 19:13:18,305 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2021-12-14 19:13:18,305 INFO L933 BasicCegarLoop]: 1875 mSDtfsCounter, 4460 mSDsluCounter, 9391 mSDsCounter, 0 mSdLazyCounter, 6301 mSolverCounterSat, 2456 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4460 SdHoareTripleChecker+Valid, 11266 SdHoareTripleChecker+Invalid, 8757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2456 IncrementalHoareTripleChecker+Valid, 6301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2021-12-14 19:13:18,306 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4460 Valid, 11266 Invalid, 8757 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2456 Valid, 6301 Invalid, 0 Unknown, 0 Unchecked, 7.9s Time] [2021-12-14 19:13:18,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4022 states. [2021-12-14 19:13:18,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4022 to 2214. [2021-12-14 19:13:18,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2214 states, 1536 states have (on average 1.2395833333333333) internal successors, (1904), 1587 states have internal predecessors, (1904), 511 states have call successors, (511), 134 states have call predecessors, (511), 145 states have return successors, (637), 507 states have call predecessors, (637), 509 states have call successors, (637) [2021-12-14 19:13:18,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2214 states to 2214 states and 3052 transitions. [2021-12-14 19:13:18,457 INFO L78 Accepts]: Start accepts. Automaton has 2214 states and 3052 transitions. Word has length 166 [2021-12-14 19:13:18,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:13:18,458 INFO L470 AbstractCegarLoop]: Abstraction has 2214 states and 3052 transitions. [2021-12-14 19:13:18,458 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 8 states have internal predecessors, (52), 3 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) [2021-12-14 19:13:18,458 INFO L276 IsEmpty]: Start isEmpty. Operand 2214 states and 3052 transitions. [2021-12-14 19:13:18,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-12-14 19:13:18,460 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:13:18,461 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2021-12-14 19:13:18,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-14 19:13:18,461 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_usb_dev_usb_put_devErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2021-12-14 19:13:18,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:13:18,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1004895184, now seen corresponding path program 1 times [2021-12-14 19:13:18,461 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:13:18,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509865965] [2021-12-14 19:13:18,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:13:18,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:13:18,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:18,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 19:13:18,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:18,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-14 19:13:18,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:18,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-14 19:13:18,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:18,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-14 19:13:18,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:18,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-14 19:13:18,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:18,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:13:18,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:18,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:13:18,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:18,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:13:18,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:18,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-14 19:13:18,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:18,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:13:18,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:18,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:13:18,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:18,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:13:18,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:18,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-14 19:13:18,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:18,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:13:18,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:18,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:13:18,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:18,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:13:18,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:18,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-14 19:13:18,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:18,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:13:18,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:18,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:13:18,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:18,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:13:18,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:18,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-14 19:13:18,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:18,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:13:18,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:18,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:13:18,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:18,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:13:18,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:18,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-14 19:13:18,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:18,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-14 19:13:18,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:18,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-14 19:13:18,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:13:18,738 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2021-12-14 19:13:18,738 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:13:18,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509865965] [2021-12-14 19:13:18,738 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509865965] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:13:18,738 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:13:18,738 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 19:13:18,738 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630126198] [2021-12-14 19:13:18,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:13:18,739 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 19:13:18,740 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:13:18,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 19:13:18,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 19:13:18,740 INFO L87 Difference]: Start difference. First operand 2214 states and 3052 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2021-12-14 19:13:22,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:13:22,643 INFO L93 Difference]: Finished difference Result 6864 states and 10525 transitions. [2021-12-14 19:13:22,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-14 19:13:22,643 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 168 [2021-12-14 19:13:22,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:13:22,666 INFO L225 Difference]: With dead ends: 6864 [2021-12-14 19:13:22,666 INFO L226 Difference]: Without dead ends: 4743 [2021-12-14 19:13:22,677 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2021-12-14 19:13:22,678 INFO L933 BasicCegarLoop]: 1588 mSDtfsCounter, 4268 mSDsluCounter, 2190 mSDsCounter, 0 mSdLazyCounter, 2332 mSolverCounterSat, 2756 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4349 SdHoareTripleChecker+Valid, 3778 SdHoareTripleChecker+Invalid, 5088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2756 IncrementalHoareTripleChecker+Valid, 2332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-12-14 19:13:22,678 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4349 Valid, 3778 Invalid, 5088 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2756 Valid, 2332 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2021-12-14 19:13:22,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4743 states.