./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--video--fbdev--s3fb.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 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--video--fbdev--s3fb.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 26f15b7e6740f578c6e54d216b7f2e3d14f4b637cdec8f40f3de59ca32c0137e --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 16:06:33,413 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 16:06:33,435 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 16:06:33,497 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 16:06:33,497 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 16:06:33,501 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 16:06:33,502 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 16:06:33,506 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 16:06:33,507 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 16:06:33,508 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 16:06:33,509 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 16:06:33,510 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 16:06:33,511 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 16:06:33,515 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 16:06:33,517 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 16:06:33,530 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 16:06:33,531 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 16:06:33,533 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 16:06:33,535 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 16:06:33,540 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 16:06:33,540 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 16:06:33,541 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 16:06:33,542 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 16:06:33,543 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 16:06:33,544 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 16:06:33,545 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 16:06:33,545 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 16:06:33,546 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 16:06:33,546 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 16:06:33,547 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 16:06:33,547 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 16:06:33,547 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 16:06:33,548 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 16:06:33,549 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 16:06:33,550 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 16:06:33,550 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 16:06:33,551 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 16:06:33,551 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 16:06:33,551 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 16:06:33,551 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 16:06:33,552 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 16:06:33,553 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 16:06:33,576 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 16:06:33,576 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 16:06:33,577 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 16:06:33,577 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 16:06:33,578 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 16:06:33,578 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 16:06:33,578 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 16:06:33,578 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 16:06:33,578 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 16:06:33,579 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 16:06:33,579 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 16:06:33,579 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 16:06:33,580 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 16:06:33,580 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 16:06:33,580 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 16:06:33,580 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 16:06:33,580 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 16:06:33,580 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 16:06:33,580 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 16:06:33,581 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 16:06:33,581 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 16:06:33,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 16:06:33,581 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 16:06:33,581 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 16:06:33,581 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 16:06:33,581 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 16:06:33,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 16:06:33,582 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 16:06:33,582 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 16:06:33,582 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 16:06:33,582 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 16:06:33,582 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26f15b7e6740f578c6e54d216b7f2e3d14f4b637cdec8f40f3de59ca32c0137e [2021-12-22 16:06:33,797 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 16:06:33,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 16:06:33,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 16:06:33,827 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 16:06:33,828 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 16:06:33,829 INFO L432 ainManager$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--video--fbdev--s3fb.ko.cil.i [2021-12-22 16:06:33,870 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65eddb823/48033c2f5a654f53a649fa109b6aa3d6/FLAGa0ecde754 [2021-12-22 16:06:34,442 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 16:06:34,442 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i [2021-12-22 16:06:34,486 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65eddb823/48033c2f5a654f53a649fa109b6aa3d6/FLAGa0ecde754 [2021-12-22 16:06:34,607 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65eddb823/48033c2f5a654f53a649fa109b6aa3d6 [2021-12-22 16:06:34,610 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 16:06:34,611 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 16:06:34,613 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 16:06:34,613 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 16:06:34,616 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 16:06:34,616 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 04:06:34" (1/1) ... [2021-12-22 16:06:34,619 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bd5594d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:06:34, skipping insertion in model container [2021-12-22 16:06:34,619 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 04:06:34" (1/1) ... [2021-12-22 16:06:34,624 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 16:06:34,727 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 16:06:36,821 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[328297,328310] [2021-12-22 16:06:36,823 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[328442,328455] [2021-12-22 16:06:36,824 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[328588,328601] [2021-12-22 16:06:36,824 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[328753,328766] [2021-12-22 16:06:36,825 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[328911,328924] [2021-12-22 16:06:36,825 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[329069,329082] [2021-12-22 16:06:36,825 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[329227,329240] [2021-12-22 16:06:36,826 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[329387,329400] [2021-12-22 16:06:36,826 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[329546,329559] [2021-12-22 16:06:36,826 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[329685,329698] [2021-12-22 16:06:36,827 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[329827,329840] [2021-12-22 16:06:36,827 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[329976,329989] [2021-12-22 16:06:36,827 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[330115,330128] [2021-12-22 16:06:36,828 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[330270,330283] [2021-12-22 16:06:36,828 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[330430,330443] [2021-12-22 16:06:36,832 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[330581,330594] [2021-12-22 16:06:36,832 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[330732,330745] [2021-12-22 16:06:36,833 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[330884,330897] [2021-12-22 16:06:36,833 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[331033,331046] [2021-12-22 16:06:36,833 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[331181,331194] [2021-12-22 16:06:36,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[331338,331351] [2021-12-22 16:06:36,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[331487,331500] [2021-12-22 16:06:36,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[331643,331656] [2021-12-22 16:06:36,835 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[331796,331809] [2021-12-22 16:06:36,835 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[331942,331955] [2021-12-22 16:06:36,835 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[332085,332098] [2021-12-22 16:06:36,836 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[332237,332250] [2021-12-22 16:06:36,836 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[332383,332396] [2021-12-22 16:06:36,836 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[332528,332541] [2021-12-22 16:06:36,837 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--video--fbdev--s3fb.ko.cil.i[332682,332695] [2021-12-22 16:06:36,837 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--video--fbdev--s3fb.ko.cil.i[332833,332846] [2021-12-22 16:06:36,837 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--video--fbdev--s3fb.ko.cil.i[332988,333001] [2021-12-22 16:06:36,838 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--video--fbdev--s3fb.ko.cil.i[333140,333153] [2021-12-22 16:06:36,838 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--video--fbdev--s3fb.ko.cil.i[333295,333308] [2021-12-22 16:06:36,838 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--video--fbdev--s3fb.ko.cil.i[333459,333472] [2021-12-22 16:06:36,839 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--video--fbdev--s3fb.ko.cil.i[333615,333628] [2021-12-22 16:06:36,839 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--video--fbdev--s3fb.ko.cil.i[333779,333792] [2021-12-22 16:06:36,839 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--video--fbdev--s3fb.ko.cil.i[333921,333934] [2021-12-22 16:06:36,839 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--video--fbdev--s3fb.ko.cil.i[334079,334092] [2021-12-22 16:06:36,840 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--video--fbdev--s3fb.ko.cil.i[334246,334259] [2021-12-22 16:06:36,840 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--video--fbdev--s3fb.ko.cil.i[334405,334418] [2021-12-22 16:06:36,840 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--video--fbdev--s3fb.ko.cil.i[334564,334577] [2021-12-22 16:06:36,841 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[334713,334726] [2021-12-22 16:06:36,841 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[334860,334873] [2021-12-22 16:06:36,841 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[334999,335012] [2021-12-22 16:06:36,842 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[335162,335175] [2021-12-22 16:06:36,842 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[335328,335341] [2021-12-22 16:06:36,842 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[335492,335505] [2021-12-22 16:06:36,843 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--video--fbdev--s3fb.ko.cil.i[335657,335670] [2021-12-22 16:06:36,843 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--video--fbdev--s3fb.ko.cil.i[335822,335835] [2021-12-22 16:06:36,843 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--video--fbdev--s3fb.ko.cil.i[335988,336001] [2021-12-22 16:06:36,844 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--video--fbdev--s3fb.ko.cil.i[336153,336166] [2021-12-22 16:06:36,844 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--video--fbdev--s3fb.ko.cil.i[336320,336333] [2021-12-22 16:06:36,844 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--video--fbdev--s3fb.ko.cil.i[336480,336493] [2021-12-22 16:06:36,845 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--video--fbdev--s3fb.ko.cil.i[336642,336655] [2021-12-22 16:06:36,845 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--video--fbdev--s3fb.ko.cil.i[336801,336814] [2021-12-22 16:06:36,845 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--video--fbdev--s3fb.ko.cil.i[336947,336960] [2021-12-22 16:06:36,846 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--video--fbdev--s3fb.ko.cil.i[337090,337103] [2021-12-22 16:06:36,846 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--video--fbdev--s3fb.ko.cil.i[337234,337247] [2021-12-22 16:06:36,846 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--video--fbdev--s3fb.ko.cil.i[337377,337390] [2021-12-22 16:06:36,847 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[337521,337534] [2021-12-22 16:06:36,847 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[337662,337675] [2021-12-22 16:06:36,848 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[337800,337813] [2021-12-22 16:06:36,848 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[337958,337971] [2021-12-22 16:06:36,848 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[338117,338130] [2021-12-22 16:06:36,849 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[338273,338286] [2021-12-22 16:06:36,849 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[338422,338435] [2021-12-22 16:06:36,849 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[338574,338587] [2021-12-22 16:06:36,850 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--video--fbdev--s3fb.ko.cil.i[338725,338738] [2021-12-22 16:06:36,850 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--video--fbdev--s3fb.ko.cil.i[338874,338887] [2021-12-22 16:06:36,850 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--video--fbdev--s3fb.ko.cil.i[339026,339039] [2021-12-22 16:06:36,851 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--video--fbdev--s3fb.ko.cil.i[339174,339187] [2021-12-22 16:06:36,851 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--video--fbdev--s3fb.ko.cil.i[339327,339340] [2021-12-22 16:06:36,851 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--video--fbdev--s3fb.ko.cil.i[339478,339491] [2021-12-22 16:06:36,851 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--video--fbdev--s3fb.ko.cil.i[339628,339641] [2021-12-22 16:06:36,852 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--video--fbdev--s3fb.ko.cil.i[339775,339788] [2021-12-22 16:06:36,852 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--video--fbdev--s3fb.ko.cil.i[339926,339939] [2021-12-22 16:06:36,853 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--video--fbdev--s3fb.ko.cil.i[340077,340090] [2021-12-22 16:06:36,854 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--video--fbdev--s3fb.ko.cil.i[340225,340238] [2021-12-22 16:06:36,854 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--video--fbdev--s3fb.ko.cil.i[340391,340404] [2021-12-22 16:06:36,854 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--video--fbdev--s3fb.ko.cil.i[340560,340573] [2021-12-22 16:06:36,854 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--video--fbdev--s3fb.ko.cil.i[340727,340740] [2021-12-22 16:06:36,855 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--video--fbdev--s3fb.ko.cil.i[340895,340908] [2021-12-22 16:06:36,856 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--video--fbdev--s3fb.ko.cil.i[341045,341058] [2021-12-22 16:06:36,857 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--video--fbdev--s3fb.ko.cil.i[341192,341205] [2021-12-22 16:06:36,857 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--video--fbdev--s3fb.ko.cil.i[341353,341366] [2021-12-22 16:06:36,858 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--video--fbdev--s3fb.ko.cil.i[341523,341536] [2021-12-22 16:06:36,858 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--video--fbdev--s3fb.ko.cil.i[341685,341698] [2021-12-22 16:06:36,863 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 16:06:36,903 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 16:06:37,151 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[328297,328310] [2021-12-22 16:06:37,152 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[328442,328455] [2021-12-22 16:06:37,152 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[328588,328601] [2021-12-22 16:06:37,153 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[328753,328766] [2021-12-22 16:06:37,153 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[328911,328924] [2021-12-22 16:06:37,153 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[329069,329082] [2021-12-22 16:06:37,154 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[329227,329240] [2021-12-22 16:06:37,154 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[329387,329400] [2021-12-22 16:06:37,154 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[329546,329559] [2021-12-22 16:06:37,155 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[329685,329698] [2021-12-22 16:06:37,155 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[329827,329840] [2021-12-22 16:06:37,155 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[329976,329989] [2021-12-22 16:06:37,155 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[330115,330128] [2021-12-22 16:06:37,156 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[330270,330283] [2021-12-22 16:06:37,156 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[330430,330443] [2021-12-22 16:06:37,156 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[330581,330594] [2021-12-22 16:06:37,156 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[330732,330745] [2021-12-22 16:06:37,157 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[330884,330897] [2021-12-22 16:06:37,157 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[331033,331046] [2021-12-22 16:06:37,157 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[331181,331194] [2021-12-22 16:06:37,157 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[331338,331351] [2021-12-22 16:06:37,158 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[331487,331500] [2021-12-22 16:06:37,158 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[331643,331656] [2021-12-22 16:06:37,158 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[331796,331809] [2021-12-22 16:06:37,159 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[331942,331955] [2021-12-22 16:06:37,159 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[332085,332098] [2021-12-22 16:06:37,159 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[332237,332250] [2021-12-22 16:06:37,159 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[332383,332396] [2021-12-22 16:06:37,160 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[332528,332541] [2021-12-22 16:06:37,160 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[332682,332695] [2021-12-22 16:06:37,160 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[332833,332846] [2021-12-22 16:06:37,160 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[332988,333001] [2021-12-22 16:06:37,161 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[333140,333153] [2021-12-22 16:06:37,161 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[333295,333308] [2021-12-22 16:06:37,161 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[333459,333472] [2021-12-22 16:06:37,162 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[333615,333628] [2021-12-22 16:06:37,162 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[333779,333792] [2021-12-22 16:06:37,162 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[333921,333934] [2021-12-22 16:06:37,162 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[334079,334092] [2021-12-22 16:06:37,163 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[334246,334259] [2021-12-22 16:06:37,163 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[334405,334418] [2021-12-22 16:06:37,163 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[334564,334577] [2021-12-22 16:06:37,163 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[334713,334726] [2021-12-22 16:06:37,164 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[334860,334873] [2021-12-22 16:06:37,164 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[334999,335012] [2021-12-22 16:06:37,164 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[335162,335175] [2021-12-22 16:06:37,165 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[335328,335341] [2021-12-22 16:06:37,165 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[335492,335505] [2021-12-22 16:06:37,165 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[335657,335670] [2021-12-22 16:06:37,165 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[335822,335835] [2021-12-22 16:06:37,166 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[335988,336001] [2021-12-22 16:06:37,166 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[336153,336166] [2021-12-22 16:06:37,166 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[336320,336333] [2021-12-22 16:06:37,166 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[336480,336493] [2021-12-22 16:06:37,167 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[336642,336655] [2021-12-22 16:06:37,167 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[336801,336814] [2021-12-22 16:06:37,167 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[336947,336960] [2021-12-22 16:06:37,168 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[337090,337103] [2021-12-22 16:06:37,168 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[337234,337247] [2021-12-22 16:06:37,168 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[337377,337390] [2021-12-22 16:06:37,168 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[337521,337534] [2021-12-22 16:06:37,169 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[337662,337675] [2021-12-22 16:06:37,169 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[337800,337813] [2021-12-22 16:06:37,169 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[337958,337971] [2021-12-22 16:06:37,169 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[338117,338130] [2021-12-22 16:06:37,170 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[338273,338286] [2021-12-22 16:06:37,170 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[338422,338435] [2021-12-22 16:06:37,171 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[338574,338587] [2021-12-22 16:06:37,171 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[338725,338738] [2021-12-22 16:06:37,171 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[338874,338887] [2021-12-22 16:06:37,171 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[339026,339039] [2021-12-22 16:06:37,172 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[339174,339187] [2021-12-22 16:06:37,172 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[339327,339340] [2021-12-22 16:06:37,172 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[339478,339491] [2021-12-22 16:06:37,173 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[339628,339641] [2021-12-22 16:06:37,173 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[339775,339788] [2021-12-22 16:06:37,173 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[339926,339939] [2021-12-22 16:06:37,173 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[340077,340090] [2021-12-22 16:06:37,174 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[340225,340238] [2021-12-22 16:06:37,174 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[340391,340404] [2021-12-22 16:06:37,174 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[340560,340573] [2021-12-22 16:06:37,175 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[340727,340740] [2021-12-22 16:06:37,175 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[340895,340908] [2021-12-22 16:06:37,175 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[341045,341058] [2021-12-22 16:06:37,175 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[341192,341205] [2021-12-22 16:06:37,176 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[341353,341366] [2021-12-22 16:06:37,176 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[341523,341536] [2021-12-22 16:06:37,176 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i[341685,341698] [2021-12-22 16:06:37,179 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 16:06:37,318 INFO L208 MainTranslator]: Completed translation [2021-12-22 16:06:37,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:06:37 WrapperNode [2021-12-22 16:06:37,319 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 16:06:37,320 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 16:06:37,320 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 16:06:37,320 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 16:06:37,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:06:37" (1/1) ... [2021-12-22 16:06:37,417 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:06:37" (1/1) ... [2021-12-22 16:06:37,543 INFO L137 Inliner]: procedures = 583, calls = 2557, calls flagged for inlining = 277, calls inlined = 189, statements flattened = 5198 [2021-12-22 16:06:37,544 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 16:06:37,545 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 16:06:37,545 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 16:06:37,545 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 16:06:37,552 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:06:37" (1/1) ... [2021-12-22 16:06:37,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:06:37" (1/1) ... [2021-12-22 16:06:37,591 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:06:37" (1/1) ... [2021-12-22 16:06:37,591 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:06:37" (1/1) ... [2021-12-22 16:06:37,684 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:06:37" (1/1) ... [2021-12-22 16:06:37,704 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:06:37" (1/1) ... [2021-12-22 16:06:37,721 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:06:37" (1/1) ... [2021-12-22 16:06:37,746 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 16:06:37,747 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 16:06:37,747 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 16:06:37,747 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 16:06:37,748 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:06:37" (1/1) ... [2021-12-22 16:06:37,755 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 16:06:37,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 16:06:37,801 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) [2021-12-22 16:06:37,823 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 [2021-12-22 16:06:37,848 INFO L130 BoogieDeclarations]: Found specification of procedure svga_wcrt_mask [2021-12-22 16:06:37,849 INFO L138 BoogieDeclarations]: Found implementation of procedure svga_wcrt_mask [2021-12-22 16:06:37,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-12-22 16:06:37,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-12-22 16:06:37,850 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-22 16:06:37,850 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-22 16:06:37,850 INFO L130 BoogieDeclarations]: Found specification of procedure s3fb_ddc_needs_mmio [2021-12-22 16:06:37,850 INFO L138 BoogieDeclarations]: Found implementation of procedure s3fb_ddc_needs_mmio [2021-12-22 16:06:37,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 16:06:37,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 16:06:37,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-12-22 16:06:37,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-12-22 16:06:37,851 INFO L130 BoogieDeclarations]: Found specification of procedure s3fb_ddc_read [2021-12-22 16:06:37,851 INFO L138 BoogieDeclarations]: Found implementation of procedure s3fb_ddc_read [2021-12-22 16:06:37,852 INFO L130 BoogieDeclarations]: Found specification of procedure s3fb_set_par [2021-12-22 16:06:37,852 INFO L138 BoogieDeclarations]: Found implementation of procedure s3fb_set_par [2021-12-22 16:06:37,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-12-22 16:06:37,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-12-22 16:06:37,853 INFO L130 BoogieDeclarations]: Found specification of procedure svga_compute_pll [2021-12-22 16:06:37,853 INFO L138 BoogieDeclarations]: Found implementation of procedure svga_compute_pll [2021-12-22 16:06:37,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-12-22 16:06:37,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-12-22 16:06:37,854 INFO L130 BoogieDeclarations]: Found specification of procedure vga_wcrt [2021-12-22 16:06:37,854 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_wcrt [2021-12-22 16:06:37,854 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-22 16:06:37,854 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-22 16:06:37,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-22 16:06:37,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-22 16:06:37,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-22 16:06:37,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-22 16:06:37,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-12-22 16:06:37,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-12-22 16:06:37,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 16:06:37,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-12-22 16:06:37,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-12-22 16:06:37,855 INFO L130 BoogieDeclarations]: Found specification of procedure vga_rseq [2021-12-22 16:06:37,855 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_rseq [2021-12-22 16:06:37,855 INFO L130 BoogieDeclarations]: Found specification of procedure svga_match_format [2021-12-22 16:06:37,855 INFO L138 BoogieDeclarations]: Found implementation of procedure svga_match_format [2021-12-22 16:06:37,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 16:06:37,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-22 16:06:37,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-22 16:06:37,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-12-22 16:06:37,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-12-22 16:06:37,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 16:06:37,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-12-22 16:06:37,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-12-22 16:06:37,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-12-22 16:06:37,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-12-22 16:06:37,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-22 16:06:37,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-22 16:06:37,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-12-22 16:06:37,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-12-22 16:06:37,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-12-22 16:06:37,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-12-22 16:06:37,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_open_lock_of_s3fb_info [2021-12-22 16:06:37,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_open_lock_of_s3fb_info [2021-12-22 16:06:37,858 INFO L130 BoogieDeclarations]: Found specification of procedure vga_w [2021-12-22 16:06:37,858 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_w [2021-12-22 16:06:37,858 INFO L130 BoogieDeclarations]: Found specification of procedure vga_r [2021-12-22 16:06:37,858 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_r [2021-12-22 16:06:37,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 16:06:37,859 INFO L130 BoogieDeclarations]: Found specification of procedure svga_wseq_mask [2021-12-22 16:06:37,859 INFO L138 BoogieDeclarations]: Found implementation of procedure svga_wseq_mask [2021-12-22 16:06:37,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 16:06:37,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-22 16:06:37,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-22 16:06:37,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 16:06:37,859 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 16:06:37,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 16:06:37,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_open_lock_of_s3fb_info [2021-12-22 16:06:37,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_open_lock_of_s3fb_info [2021-12-22 16:06:37,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-12-22 16:06:37,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-12-22 16:06:37,862 INFO L130 BoogieDeclarations]: Found specification of procedure vga_w_fast [2021-12-22 16:06:37,862 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_w_fast [2021-12-22 16:06:37,862 INFO L130 BoogieDeclarations]: Found specification of procedure svga_get_tilemax [2021-12-22 16:06:37,863 INFO L138 BoogieDeclarations]: Found implementation of procedure svga_get_tilemax [2021-12-22 16:06:37,863 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_adapter [2021-12-22 16:06:37,863 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_adapter [2021-12-22 16:06:37,863 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-12-22 16:06:37,863 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-12-22 16:06:37,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 16:06:37,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 16:06:37,867 INFO L130 BoogieDeclarations]: Found specification of procedure svga_wcrt_multi [2021-12-22 16:06:37,867 INFO L138 BoogieDeclarations]: Found implementation of procedure svga_wcrt_multi [2021-12-22 16:06:37,867 INFO L130 BoogieDeclarations]: Found specification of procedure fb_set_suspend [2021-12-22 16:06:37,867 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_set_suspend [2021-12-22 16:06:37,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 16:06:37,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 16:06:37,867 INFO L130 BoogieDeclarations]: Found specification of procedure vga_rcrt [2021-12-22 16:06:37,868 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_rcrt [2021-12-22 16:06:37,868 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_release [2021-12-22 16:06:37,868 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_release [2021-12-22 16:06:37,868 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2021-12-22 16:06:37,868 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2021-12-22 16:06:37,868 INFO L130 BoogieDeclarations]: Found specification of procedure s3_pci_remove [2021-12-22 16:06:37,868 INFO L138 BoogieDeclarations]: Found implementation of procedure s3_pci_remove [2021-12-22 16:06:37,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 16:06:37,869 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 16:06:37,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2021-12-22 16:06:37,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2021-12-22 16:06:37,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-12-22 16:06:37,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-12-22 16:06:37,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-12-22 16:06:37,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-12-22 16:06:37,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 16:06:37,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-12-22 16:06:37,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-12-22 16:06:37,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 16:06:37,870 INFO L130 BoogieDeclarations]: Found specification of procedure fb_dealloc_cmap [2021-12-22 16:06:37,870 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_dealloc_cmap [2021-12-22 16:06:37,870 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-12-22 16:06:37,870 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-12-22 16:06:37,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 16:06:37,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-12-22 16:06:37,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-12-22 16:06:37,871 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-22 16:06:37,871 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-22 16:06:37,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-22 16:06:37,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-22 16:06:37,872 INFO L130 BoogieDeclarations]: Found specification of procedure vga_wseq [2021-12-22 16:06:37,872 INFO L138 BoogieDeclarations]: Found implementation of procedure vga_wseq [2021-12-22 16:06:37,872 INFO L130 BoogieDeclarations]: Found specification of procedure s3_pci_resume [2021-12-22 16:06:37,872 INFO L138 BoogieDeclarations]: Found implementation of procedure s3_pci_resume [2021-12-22 16:06:37,872 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modedb [2021-12-22 16:06:37,872 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modedb [2021-12-22 16:06:37,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-12-22 16:06:37,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-12-22 16:06:37,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-22 16:06:37,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-22 16:06:37,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-12-22 16:06:37,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-12-22 16:06:37,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-12-22 16:06:37,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-12-22 16:06:37,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-22 16:06:37,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-22 16:06:37,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 16:06:37,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-12-22 16:06:37,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-12-22 16:06:37,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 16:06:37,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 16:06:37,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-12-22 16:06:37,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-12-22 16:06:37,874 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-22 16:06:37,874 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-22 16:06:37,875 INFO L130 BoogieDeclarations]: Found specification of procedure console_lock [2021-12-22 16:06:37,875 INFO L138 BoogieDeclarations]: Found implementation of procedure console_lock [2021-12-22 16:06:37,875 INFO L130 BoogieDeclarations]: Found specification of procedure console_unlock [2021-12-22 16:06:37,875 INFO L138 BoogieDeclarations]: Found implementation of procedure console_unlock [2021-12-22 16:06:37,875 INFO L130 BoogieDeclarations]: Found specification of procedure expand_color [2021-12-22 16:06:37,875 INFO L138 BoogieDeclarations]: Found implementation of procedure expand_color [2021-12-22 16:06:37,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-22 16:06:37,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-22 16:06:37,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-12-22 16:06:37,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-12-22 16:06:37,876 INFO L130 BoogieDeclarations]: Found specification of procedure __writel [2021-12-22 16:06:37,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __writel [2021-12-22 16:06:37,876 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-22 16:06:37,876 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-22 16:06:37,876 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-22 16:06:37,876 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-22 16:06:37,876 INFO L130 BoogieDeclarations]: Found specification of procedure s3fb_check_var [2021-12-22 16:06:37,876 INFO L138 BoogieDeclarations]: Found implementation of procedure s3fb_check_var [2021-12-22 16:06:37,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 16:06:37,877 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2021-12-22 16:06:37,877 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2021-12-22 16:06:38,501 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 16:06:38,503 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 16:06:38,574 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 16:06:41,329 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 16:06:41,361 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 16:06:41,361 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-22 16:06:41,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 04:06:41 BoogieIcfgContainer [2021-12-22 16:06:41,364 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 16:06:41,365 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 16:06:41,365 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 16:06:41,368 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 16:06:41,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 04:06:34" (1/3) ... [2021-12-22 16:06:41,369 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@91039ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 04:06:41, skipping insertion in model container [2021-12-22 16:06:41,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:06:37" (2/3) ... [2021-12-22 16:06:41,369 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@91039ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 04:06:41, skipping insertion in model container [2021-12-22 16:06:41,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 04:06:41" (3/3) ... [2021-12-22 16:06:41,370 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--video--fbdev--s3fb.ko.cil.i [2021-12-22 16:06:41,374 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 16:06:41,374 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2021-12-22 16:06:41,409 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 16:06:41,414 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 [2021-12-22 16:06:41,414 INFO L340 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2021-12-22 16:06:41,442 INFO L276 IsEmpty]: Start isEmpty. Operand has 1474 states, 1033 states have (on average 1.2952565343659246) internal successors, (1338), 1073 states have internal predecessors, (1338), 338 states have call successors, (338), 77 states have call predecessors, (338), 76 states have return successors, (334), 332 states have call predecessors, (334), 334 states have call successors, (334) [2021-12-22 16:06:41,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-12-22 16:06:41,447 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:06:41,448 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 16:06:41,448 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-12-22 16:06:41,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:06:41,452 INFO L85 PathProgramCache]: Analyzing trace with hash 2105616376, now seen corresponding path program 1 times [2021-12-22 16:06:41,458 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:06:41,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674056414] [2021-12-22 16:06:41,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:06:41,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:06:41,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:41,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:06:41,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:41,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-22 16:06:41,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:41,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 16:06:41,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:41,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 16:06:41,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:41,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:06:41,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:41,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 16:06:41,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:41,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-22 16:06:41,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:41,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:06:41,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:41,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-22 16:06:41,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:41,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-22 16:06:41,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:41,996 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-22 16:06:41,996 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:06:41,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674056414] [2021-12-22 16:06:41,997 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674056414] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:06:41,997 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:06:41,998 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:06:41,999 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201331174] [2021-12-22 16:06:41,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:06:42,002 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:06:42,003 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:06:42,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:06:42,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:06:42,024 INFO L87 Difference]: Start difference. First operand has 1474 states, 1033 states have (on average 1.2952565343659246) internal successors, (1338), 1073 states have internal predecessors, (1338), 338 states have call successors, (338), 77 states have call predecessors, (338), 76 states have return successors, (334), 332 states have call predecessors, (334), 334 states have call successors, (334) 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) [2021-12-22 16:06:46,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:06:46,340 INFO L93 Difference]: Finished difference Result 4351 states and 6064 transitions. [2021-12-22 16:06:46,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-22 16:06:46,342 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 71 [2021-12-22 16:06:46,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:06:46,365 INFO L225 Difference]: With dead ends: 4351 [2021-12-22 16:06:46,365 INFO L226 Difference]: Without dead ends: 2885 [2021-12-22 16:06:46,376 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-22 16:06:46,378 INFO L933 BasicCegarLoop]: 2003 mSDtfsCounter, 4214 mSDsluCounter, 3665 mSDsCounter, 0 mSdLazyCounter, 2858 mSolverCounterSat, 2246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4384 SdHoareTripleChecker+Valid, 5668 SdHoareTripleChecker+Invalid, 5104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2246 IncrementalHoareTripleChecker+Valid, 2858 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2021-12-22 16:06:46,379 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4384 Valid, 5668 Invalid, 5104 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2246 Valid, 2858 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2021-12-22 16:06:46,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2885 states. [2021-12-22 16:06:46,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2885 to 2698. [2021-12-22 16:06:46,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2698 states, 1922 states have (on average 1.2726326742976066) internal successors, (2446), 1973 states have internal predecessors, (2446), 619 states have call successors, (619), 132 states have call predecessors, (619), 131 states have return successors, (620), 611 states have call predecessors, (620), 617 states have call successors, (620) [2021-12-22 16:06:46,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2698 states to 2698 states and 3685 transitions. [2021-12-22 16:06:46,518 INFO L78 Accepts]: Start accepts. Automaton has 2698 states and 3685 transitions. Word has length 71 [2021-12-22 16:06:46,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:06:46,519 INFO L470 AbstractCegarLoop]: Abstraction has 2698 states and 3685 transitions. [2021-12-22 16:06:46,519 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) [2021-12-22 16:06:46,520 INFO L276 IsEmpty]: Start isEmpty. Operand 2698 states and 3685 transitions. [2021-12-22 16:06:46,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-12-22 16:06:46,522 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:06:46,522 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 16:06:46,522 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 16:06:46,522 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-12-22 16:06:46,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:06:46,523 INFO L85 PathProgramCache]: Analyzing trace with hash 703949107, now seen corresponding path program 1 times [2021-12-22 16:06:46,523 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:06:46,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367452827] [2021-12-22 16:06:46,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:06:46,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:06:46,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:46,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:06:46,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:46,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-22 16:06:46,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:46,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 16:06:46,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:46,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 16:06:46,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:46,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:06:46,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:46,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 16:06:46,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:46,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-22 16:06:46,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:46,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:06:46,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:46,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-22 16:06:46,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:46,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-22 16:06:46,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:46,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-22 16:06:46,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:46,745 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-22 16:06:46,745 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:06:46,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367452827] [2021-12-22 16:06:46,746 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367452827] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:06:46,746 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:06:46,746 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:06:46,746 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879435202] [2021-12-22 16:06:46,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:06:46,747 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:06:46,747 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:06:46,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:06:46,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:06:46,748 INFO L87 Difference]: Start difference. First operand 2698 states and 3685 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) [2021-12-22 16:06:48,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:06:48,765 INFO L93 Difference]: Finished difference Result 2698 states and 3685 transitions. [2021-12-22 16:06:48,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 16:06:48,765 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 77 [2021-12-22 16:06:48,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:06:48,778 INFO L225 Difference]: With dead ends: 2698 [2021-12-22 16:06:48,778 INFO L226 Difference]: Without dead ends: 2696 [2021-12-22 16:06:48,780 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 [2021-12-22 16:06:48,781 INFO L933 BasicCegarLoop]: 1807 mSDtfsCounter, 2819 mSDsluCounter, 2350 mSDsCounter, 0 mSdLazyCounter, 1349 mSolverCounterSat, 1274 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2989 SdHoareTripleChecker+Valid, 4157 SdHoareTripleChecker+Invalid, 2623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1274 IncrementalHoareTripleChecker+Valid, 1349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-12-22 16:06:48,781 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2989 Valid, 4157 Invalid, 2623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1274 Valid, 1349 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-12-22 16:06:48,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2696 states. [2021-12-22 16:06:48,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2696 to 2696. [2021-12-22 16:06:48,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2696 states, 1921 states have (on average 1.2722540343571056) internal successors, (2444), 1971 states have internal predecessors, (2444), 619 states have call successors, (619), 132 states have call predecessors, (619), 131 states have return successors, (620), 611 states have call predecessors, (620), 617 states have call successors, (620) [2021-12-22 16:06:48,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2696 states to 2696 states and 3683 transitions. [2021-12-22 16:06:48,872 INFO L78 Accepts]: Start accepts. Automaton has 2696 states and 3683 transitions. Word has length 77 [2021-12-22 16:06:48,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:06:48,873 INFO L470 AbstractCegarLoop]: Abstraction has 2696 states and 3683 transitions. [2021-12-22 16:06:48,873 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) [2021-12-22 16:06:48,873 INFO L276 IsEmpty]: Start isEmpty. Operand 2696 states and 3683 transitions. [2021-12-22 16:06:48,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-12-22 16:06:48,875 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:06:48,875 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 16:06:48,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 16:06:48,875 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-12-22 16:06:48,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:06:48,876 INFO L85 PathProgramCache]: Analyzing trace with hash 2014047996, now seen corresponding path program 1 times [2021-12-22 16:06:48,876 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:06:48,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63390373] [2021-12-22 16:06:48,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:06:48,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:06:48,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:49,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:06:49,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:49,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-22 16:06:49,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:49,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 16:06:49,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:49,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 16:06:49,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:49,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:06:49,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:49,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 16:06:49,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:49,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-22 16:06:49,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:49,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:06:49,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:49,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-22 16:06:49,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:49,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-22 16:06:49,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:49,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-22 16:06:49,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:49,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-22 16:06:49,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:49,101 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-22 16:06:49,102 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:06:49,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63390373] [2021-12-22 16:06:49,102 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63390373] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:06:49,102 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:06:49,102 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:06:49,102 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092965000] [2021-12-22 16:06:49,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:06:49,103 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:06:49,103 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:06:49,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:06:49,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:06:49,104 INFO L87 Difference]: Start difference. First operand 2696 states and 3683 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) [2021-12-22 16:06:52,413 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-22 16:06:53,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:06:53,154 INFO L93 Difference]: Finished difference Result 2696 states and 3683 transitions. [2021-12-22 16:06:53,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 16:06:53,167 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 83 [2021-12-22 16:06:53,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:06:53,180 INFO L225 Difference]: With dead ends: 2696 [2021-12-22 16:06:53,181 INFO L226 Difference]: Without dead ends: 2694 [2021-12-22 16:06:53,183 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-22 16:06:53,186 INFO L933 BasicCegarLoop]: 1805 mSDtfsCounter, 2813 mSDsluCounter, 2350 mSDsCounter, 0 mSdLazyCounter, 1346 mSolverCounterSat, 1274 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2982 SdHoareTripleChecker+Valid, 4155 SdHoareTripleChecker+Invalid, 2621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1274 IncrementalHoareTripleChecker+Valid, 1346 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2021-12-22 16:06:53,187 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2982 Valid, 4155 Invalid, 2621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1274 Valid, 1346 Invalid, 1 Unknown, 0 Unchecked, 3.9s Time] [2021-12-22 16:06:53,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2694 states. [2021-12-22 16:06:53,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2694 to 2694. [2021-12-22 16:06:53,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2694 states, 1920 states have (on average 1.271875) internal successors, (2442), 1969 states have internal predecessors, (2442), 619 states have call successors, (619), 132 states have call predecessors, (619), 131 states have return successors, (620), 611 states have call predecessors, (620), 617 states have call successors, (620) [2021-12-22 16:06:53,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2694 states to 2694 states and 3681 transitions. [2021-12-22 16:06:53,281 INFO L78 Accepts]: Start accepts. Automaton has 2694 states and 3681 transitions. Word has length 83 [2021-12-22 16:06:53,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:06:53,281 INFO L470 AbstractCegarLoop]: Abstraction has 2694 states and 3681 transitions. [2021-12-22 16:06:53,281 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) [2021-12-22 16:06:53,282 INFO L276 IsEmpty]: Start isEmpty. Operand 2694 states and 3681 transitions. [2021-12-22 16:06:53,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-12-22 16:06:53,283 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:06:53,283 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 16:06:53,283 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-22 16:06:53,283 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-12-22 16:06:53,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:06:53,284 INFO L85 PathProgramCache]: Analyzing trace with hash -659640201, now seen corresponding path program 1 times [2021-12-22 16:06:53,284 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:06:53,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006023069] [2021-12-22 16:06:53,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:06:53,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:06:53,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:53,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:06:53,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:53,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-22 16:06:53,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:53,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 16:06:53,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:53,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 16:06:53,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:53,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:06:53,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:53,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 16:06:53,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:53,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-22 16:06:53,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:53,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:06:53,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:53,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-22 16:06:53,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:53,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-22 16:06:53,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:53,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-22 16:06:53,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:53,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-22 16:06:53,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:53,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-22 16:06:53,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:53,515 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-22 16:06:53,516 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:06:53,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006023069] [2021-12-22 16:06:53,516 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006023069] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:06:53,516 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:06:53,516 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:06:53,516 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722411245] [2021-12-22 16:06:53,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:06:53,517 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:06:53,517 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:06:53,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:06:53,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:06:53,518 INFO L87 Difference]: Start difference. First operand 2694 states and 3681 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) [2021-12-22 16:06:55,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:06:55,907 INFO L93 Difference]: Finished difference Result 2694 states and 3681 transitions. [2021-12-22 16:06:55,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 16:06:55,908 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 89 [2021-12-22 16:06:55,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:06:55,921 INFO L225 Difference]: With dead ends: 2694 [2021-12-22 16:06:55,922 INFO L226 Difference]: Without dead ends: 2692 [2021-12-22 16:06:55,924 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 [2021-12-22 16:06:55,926 INFO L933 BasicCegarLoop]: 1803 mSDtfsCounter, 2807 mSDsluCounter, 2350 mSDsCounter, 0 mSdLazyCounter, 1345 mSolverCounterSat, 1274 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2975 SdHoareTripleChecker+Valid, 4153 SdHoareTripleChecker+Invalid, 2619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1274 IncrementalHoareTripleChecker+Valid, 1345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-12-22 16:06:55,927 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2975 Valid, 4153 Invalid, 2619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1274 Valid, 1345 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-12-22 16:06:55,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2692 states. [2021-12-22 16:06:56,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2692 to 2692. [2021-12-22 16:06:56,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2692 states, 1919 states have (on average 1.2714955706096926) internal successors, (2440), 1967 states have internal predecessors, (2440), 619 states have call successors, (619), 132 states have call predecessors, (619), 131 states have return successors, (620), 611 states have call predecessors, (620), 617 states have call successors, (620) [2021-12-22 16:06:56,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2692 states to 2692 states and 3679 transitions. [2021-12-22 16:06:56,043 INFO L78 Accepts]: Start accepts. Automaton has 2692 states and 3679 transitions. Word has length 89 [2021-12-22 16:06:56,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:06:56,044 INFO L470 AbstractCegarLoop]: Abstraction has 2692 states and 3679 transitions. [2021-12-22 16:06:56,044 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) [2021-12-22 16:06:56,044 INFO L276 IsEmpty]: Start isEmpty. Operand 2692 states and 3679 transitions. [2021-12-22 16:06:56,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-12-22 16:06:56,046 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:06:56,046 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 16:06:56,046 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-22 16:06:56,046 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-12-22 16:06:56,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:06:56,047 INFO L85 PathProgramCache]: Analyzing trace with hash -972345359, now seen corresponding path program 1 times [2021-12-22 16:06:56,047 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:06:56,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381066191] [2021-12-22 16:06:56,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:06:56,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:06:56,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:56,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:06:56,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:56,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-22 16:06:56,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:56,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 16:06:56,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:56,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 16:06:56,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:56,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:06:56,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:56,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 16:06:56,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:56,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-22 16:06:56,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:56,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:06:56,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:56,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-22 16:06:56,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:56,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-22 16:06:56,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:56,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-22 16:06:56,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:56,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-22 16:06:56,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:56,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-22 16:06:56,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:56,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-22 16:06:56,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:56,313 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-22 16:06:56,313 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:06:56,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381066191] [2021-12-22 16:06:56,313 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381066191] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:06:56,313 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:06:56,314 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:06:56,314 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908804388] [2021-12-22 16:06:56,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:06:56,314 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:06:56,314 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:06:56,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:06:56,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:06:56,315 INFO L87 Difference]: Start difference. First operand 2692 states and 3679 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) [2021-12-22 16:06:58,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:06:58,429 INFO L93 Difference]: Finished difference Result 2692 states and 3679 transitions. [2021-12-22 16:06:58,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 16:06:58,429 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 95 [2021-12-22 16:06:58,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:06:58,439 INFO L225 Difference]: With dead ends: 2692 [2021-12-22 16:06:58,439 INFO L226 Difference]: Without dead ends: 2690 [2021-12-22 16:06:58,440 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 [2021-12-22 16:06:58,441 INFO L933 BasicCegarLoop]: 1801 mSDtfsCounter, 2801 mSDsluCounter, 2350 mSDsCounter, 0 mSdLazyCounter, 1343 mSolverCounterSat, 1274 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2968 SdHoareTripleChecker+Valid, 4151 SdHoareTripleChecker+Invalid, 2617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1274 IncrementalHoareTripleChecker+Valid, 1343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-22 16:06:58,441 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2968 Valid, 4151 Invalid, 2617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1274 Valid, 1343 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-22 16:06:58,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2690 states. [2021-12-22 16:06:58,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2690 to 2690. [2021-12-22 16:06:58,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2690 states, 1918 states have (on average 1.2711157455683002) internal successors, (2438), 1965 states have internal predecessors, (2438), 619 states have call successors, (619), 132 states have call predecessors, (619), 131 states have return successors, (620), 611 states have call predecessors, (620), 617 states have call successors, (620) [2021-12-22 16:06:58,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2690 states to 2690 states and 3677 transitions. [2021-12-22 16:06:58,513 INFO L78 Accepts]: Start accepts. Automaton has 2690 states and 3677 transitions. Word has length 95 [2021-12-22 16:06:58,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:06:58,514 INFO L470 AbstractCegarLoop]: Abstraction has 2690 states and 3677 transitions. [2021-12-22 16:06:58,514 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) [2021-12-22 16:06:58,514 INFO L276 IsEmpty]: Start isEmpty. Operand 2690 states and 3677 transitions. [2021-12-22 16:06:58,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-12-22 16:06:58,515 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:06:58,515 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 16:06:58,515 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-22 16:06:58,516 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-12-22 16:06:58,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:06:58,516 INFO L85 PathProgramCache]: Analyzing trace with hash -889472889, now seen corresponding path program 1 times [2021-12-22 16:06:58,516 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:06:58,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144326014] [2021-12-22 16:06:58,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:06:58,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:06:58,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:58,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:06:58,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:58,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-22 16:06:58,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:58,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 16:06:58,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:58,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 16:06:58,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:58,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-22 16:06:58,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:58,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:06:58,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:58,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:06:58,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:58,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:06:58,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:58,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-22 16:06:58,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:58,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:06:58,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:58,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:06:58,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:58,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:06:58,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:58,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-22 16:06:58,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:58,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:06:58,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:58,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:06:58,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:58,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:06:58,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:58,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-22 16:06:58,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:58,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-22 16:06:58,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:58,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-22 16:06:58,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:06:58,800 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-12-22 16:06:58,800 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:06:58,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144326014] [2021-12-22 16:06:58,800 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144326014] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:06:58,800 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:06:58,800 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:06:58,801 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695230970] [2021-12-22 16:06:58,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:06:58,801 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:06:58,801 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:06:58,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:06:58,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:06:58,802 INFO L87 Difference]: Start difference. First operand 2690 states and 3677 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-22 16:07:01,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:07:01,195 INFO L93 Difference]: Finished difference Result 5357 states and 7328 transitions. [2021-12-22 16:07:01,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-22 16:07:01,195 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 119 [2021-12-22 16:07:01,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:07:01,206 INFO L225 Difference]: With dead ends: 5357 [2021-12-22 16:07:01,207 INFO L226 Difference]: Without dead ends: 2692 [2021-12-22 16:07:01,215 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-22 16:07:01,216 INFO L933 BasicCegarLoop]: 1612 mSDtfsCounter, 3095 mSDsluCounter, 1792 mSDsCounter, 0 mSdLazyCounter, 1401 mSolverCounterSat, 1664 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3278 SdHoareTripleChecker+Valid, 3404 SdHoareTripleChecker+Invalid, 3065 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1664 IncrementalHoareTripleChecker+Valid, 1401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-22 16:07:01,216 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3278 Valid, 3404 Invalid, 3065 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1664 Valid, 1401 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-12-22 16:07:01,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2692 states. [2021-12-22 16:07:01,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2692 to 2684. [2021-12-22 16:07:01,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2684 states, 1913 states have (on average 1.2697334030318872) internal successors, (2429), 1959 states have internal predecessors, (2429), 619 states have call successors, (619), 132 states have call predecessors, (619), 131 states have return successors, (620), 611 states have call predecessors, (620), 617 states have call successors, (620) [2021-12-22 16:07:01,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2684 states to 2684 states and 3668 transitions. [2021-12-22 16:07:01,301 INFO L78 Accepts]: Start accepts. Automaton has 2684 states and 3668 transitions. Word has length 119 [2021-12-22 16:07:01,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:07:01,301 INFO L470 AbstractCegarLoop]: Abstraction has 2684 states and 3668 transitions. [2021-12-22 16:07:01,301 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-22 16:07:01,302 INFO L276 IsEmpty]: Start isEmpty. Operand 2684 states and 3668 transitions. [2021-12-22 16:07:01,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-12-22 16:07:01,302 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:07:01,303 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 16:07:01,303 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-22 16:07:01,303 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-12-22 16:07:01,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:07:01,303 INFO L85 PathProgramCache]: Analyzing trace with hash -1960994551, now seen corresponding path program 1 times [2021-12-22 16:07:01,304 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:07:01,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142199212] [2021-12-22 16:07:01,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:07:01,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:07:01,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:01,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:07:01,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:01,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-22 16:07:01,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:01,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 16:07:01,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:01,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 16:07:01,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:01,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:07:01,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:01,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 16:07:01,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:01,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-22 16:07:01,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:01,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:07:01,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:01,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-22 16:07:01,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:01,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-22 16:07:01,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:01,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-22 16:07:01,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:01,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-22 16:07:01,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:01,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-22 16:07:01,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:01,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-22 16:07:01,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:01,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 16:07:01,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:01,536 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-22 16:07:01,536 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:07:01,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142199212] [2021-12-22 16:07:01,536 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142199212] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:07:01,536 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:07:01,537 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:07:01,537 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843721275] [2021-12-22 16:07:01,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:07:01,537 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:07:01,537 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:07:01,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:07:01,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:07:01,538 INFO L87 Difference]: Start difference. First operand 2684 states and 3668 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) [2021-12-22 16:07:03,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:07:03,871 INFO L93 Difference]: Finished difference Result 2684 states and 3668 transitions. [2021-12-22 16:07:03,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 16:07:03,871 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 101 [2021-12-22 16:07:03,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:07:03,881 INFO L225 Difference]: With dead ends: 2684 [2021-12-22 16:07:03,881 INFO L226 Difference]: Without dead ends: 2682 [2021-12-22 16:07:03,882 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 [2021-12-22 16:07:03,883 INFO L933 BasicCegarLoop]: 1794 mSDtfsCounter, 2790 mSDsluCounter, 2336 mSDsCounter, 0 mSdLazyCounter, 1340 mSolverCounterSat, 1274 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2956 SdHoareTripleChecker+Valid, 4130 SdHoareTripleChecker+Invalid, 2614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1274 IncrementalHoareTripleChecker+Valid, 1340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-22 16:07:03,883 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2956 Valid, 4130 Invalid, 2614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1274 Valid, 1340 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-12-22 16:07:03,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2682 states. [2021-12-22 16:07:03,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2682 to 2682. [2021-12-22 16:07:03,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2682 states, 1912 states have (on average 1.2693514644351465) internal successors, (2427), 1957 states have internal predecessors, (2427), 619 states have call successors, (619), 132 states have call predecessors, (619), 131 states have return successors, (620), 611 states have call predecessors, (620), 617 states have call successors, (620) [2021-12-22 16:07:03,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2682 states to 2682 states and 3666 transitions. [2021-12-22 16:07:03,969 INFO L78 Accepts]: Start accepts. Automaton has 2682 states and 3666 transitions. Word has length 101 [2021-12-22 16:07:03,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:07:03,970 INFO L470 AbstractCegarLoop]: Abstraction has 2682 states and 3666 transitions. [2021-12-22 16:07:03,970 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) [2021-12-22 16:07:03,970 INFO L276 IsEmpty]: Start isEmpty. Operand 2682 states and 3666 transitions. [2021-12-22 16:07:03,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-12-22 16:07:03,971 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:07:03,971 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 16:07:03,972 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-22 16:07:03,972 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-12-22 16:07:03,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:07:03,972 INFO L85 PathProgramCache]: Analyzing trace with hash -2092571914, now seen corresponding path program 1 times [2021-12-22 16:07:03,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:07:03,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108631793] [2021-12-22 16:07:03,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:07:03,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:07:04,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:04,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:07:04,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:04,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-22 16:07:04,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:04,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 16:07:04,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:04,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 16:07:04,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:04,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-22 16:07:04,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:04,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:07:04,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:04,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:07:04,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:04,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:07:04,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:04,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-22 16:07:04,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:04,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:07:04,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:04,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:07:04,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:04,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:07:04,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:04,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-22 16:07:04,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:04,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:07:04,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:04,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:07:04,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:04,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:07:04,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:04,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-22 16:07:04,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:04,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-22 16:07:04,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:04,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-22 16:07:04,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:04,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-22 16:07:04,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:04,289 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2021-12-22 16:07:04,289 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:07:04,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108631793] [2021-12-22 16:07:04,290 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108631793] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 16:07:04,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [17771109] [2021-12-22 16:07:04,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:07:04,290 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 16:07:04,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 16:07:04,301 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-22 16:07:04,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-22 16:07:05,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:05,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 3469 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-22 16:07:05,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 16:07:05,341 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-12-22 16:07:05,342 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-22 16:07:05,342 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [17771109] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:07:05,342 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-22 16:07:05,342 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2021-12-22 16:07:05,342 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526876668] [2021-12-22 16:07:05,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:07:05,343 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 16:07:05,343 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:07:05,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 16:07:05,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-12-22 16:07:05,344 INFO L87 Difference]: Start difference. First operand 2682 states and 3666 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-12-22 16:07:05,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:07:05,518 INFO L93 Difference]: Finished difference Result 5333 states and 7288 transitions. [2021-12-22 16:07:05,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 16:07:05,530 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 125 [2021-12-22 16:07:05,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:07:05,538 INFO L225 Difference]: With dead ends: 5333 [2021-12-22 16:07:05,538 INFO L226 Difference]: Without dead ends: 2676 [2021-12-22 16:07:05,545 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-12-22 16:07:05,545 INFO L933 BasicCegarLoop]: 1942 mSDtfsCounter, 1924 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1924 SdHoareTripleChecker+Valid, 1942 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-22 16:07:05,545 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1924 Valid, 1942 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-22 16:07:05,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2676 states. [2021-12-22 16:07:05,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2676 to 2676. [2021-12-22 16:07:05,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2676 states, 1907 states have (on average 1.2679601468274777) internal successors, (2418), 1951 states have internal predecessors, (2418), 619 states have call successors, (619), 132 states have call predecessors, (619), 131 states have return successors, (620), 611 states have call predecessors, (620), 617 states have call successors, (620) [2021-12-22 16:07:05,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2676 states to 2676 states and 3657 transitions. [2021-12-22 16:07:05,629 INFO L78 Accepts]: Start accepts. Automaton has 2676 states and 3657 transitions. Word has length 125 [2021-12-22 16:07:05,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:07:05,630 INFO L470 AbstractCegarLoop]: Abstraction has 2676 states and 3657 transitions. [2021-12-22 16:07:05,630 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-12-22 16:07:05,630 INFO L276 IsEmpty]: Start isEmpty. Operand 2676 states and 3657 transitions. [2021-12-22 16:07:05,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-12-22 16:07:05,632 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:07:05,632 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 16:07:05,666 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-22 16:07:05,847 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 16:07:05,847 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-12-22 16:07:05,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:07:05,848 INFO L85 PathProgramCache]: Analyzing trace with hash -2087155998, now seen corresponding path program 1 times [2021-12-22 16:07:05,848 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:07:05,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539827753] [2021-12-22 16:07:05,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:07:05,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:07:05,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:06,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:07:06,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:06,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-22 16:07:06,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:06,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 16:07:06,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:06,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 16:07:06,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:06,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:07:06,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:06,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 16:07:06,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:06,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-22 16:07:06,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:06,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:07:06,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:06,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-22 16:07:06,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:06,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-22 16:07:06,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:06,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-22 16:07:06,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:06,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-22 16:07:06,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:06,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-22 16:07:06,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:06,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-22 16:07:06,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:06,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 16:07:06,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:06,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-22 16:07:06,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:06,160 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-22 16:07:06,160 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:07:06,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539827753] [2021-12-22 16:07:06,161 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539827753] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:07:06,161 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:07:06,161 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:07:06,161 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123670217] [2021-12-22 16:07:06,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:07:06,161 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:07:06,161 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:07:06,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:07:06,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:07:06,163 INFO L87 Difference]: Start difference. First operand 2676 states and 3657 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) [2021-12-22 16:07:08,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:07:08,567 INFO L93 Difference]: Finished difference Result 2676 states and 3657 transitions. [2021-12-22 16:07:08,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 16:07:08,568 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 107 [2021-12-22 16:07:08,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:07:08,578 INFO L225 Difference]: With dead ends: 2676 [2021-12-22 16:07:08,578 INFO L226 Difference]: Without dead ends: 2674 [2021-12-22 16:07:08,579 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 [2021-12-22 16:07:08,579 INFO L933 BasicCegarLoop]: 1787 mSDtfsCounter, 2779 mSDsluCounter, 2322 mSDsCounter, 0 mSdLazyCounter, 1337 mSolverCounterSat, 1274 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2944 SdHoareTripleChecker+Valid, 4109 SdHoareTripleChecker+Invalid, 2611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1274 IncrementalHoareTripleChecker+Valid, 1337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-22 16:07:08,580 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2944 Valid, 4109 Invalid, 2611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1274 Valid, 1337 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-12-22 16:07:08,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2674 states. [2021-12-22 16:07:08,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2674 to 2674. [2021-12-22 16:07:08,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2674 states, 1906 states have (on average 1.267576075550892) internal successors, (2416), 1949 states have internal predecessors, (2416), 619 states have call successors, (619), 132 states have call predecessors, (619), 131 states have return successors, (620), 611 states have call predecessors, (620), 617 states have call successors, (620) [2021-12-22 16:07:08,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2674 states to 2674 states and 3655 transitions. [2021-12-22 16:07:08,698 INFO L78 Accepts]: Start accepts. Automaton has 2674 states and 3655 transitions. Word has length 107 [2021-12-22 16:07:08,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:07:08,699 INFO L470 AbstractCegarLoop]: Abstraction has 2674 states and 3655 transitions. [2021-12-22 16:07:08,699 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) [2021-12-22 16:07:08,699 INFO L276 IsEmpty]: Start isEmpty. Operand 2674 states and 3655 transitions. [2021-12-22 16:07:08,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-12-22 16:07:08,700 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:07:08,700 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 16:07:08,701 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-22 16:07:08,701 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-12-22 16:07:08,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:07:08,702 INFO L85 PathProgramCache]: Analyzing trace with hash -1777313544, now seen corresponding path program 1 times [2021-12-22 16:07:08,702 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:07:08,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932303913] [2021-12-22 16:07:08,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:07:08,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:07:08,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:08,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:07:08,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:08,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-22 16:07:08,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:08,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 16:07:08,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:08,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 16:07:08,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:08,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:07:08,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:08,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 16:07:08,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:08,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-22 16:07:08,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:08,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:07:08,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:08,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-22 16:07:08,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:08,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-22 16:07:08,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:08,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-22 16:07:08,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:08,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-22 16:07:08,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:08,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-22 16:07:08,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:08,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-22 16:07:08,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:08,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 16:07:08,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:08,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-22 16:07:08,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:08,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-22 16:07:08,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:08,924 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-22 16:07:08,924 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:07:08,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932303913] [2021-12-22 16:07:08,924 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932303913] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:07:08,924 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:07:08,924 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:07:08,925 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880190948] [2021-12-22 16:07:08,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:07:08,925 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:07:08,925 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:07:08,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:07:08,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:07:08,926 INFO L87 Difference]: Start difference. First operand 2674 states and 3655 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) [2021-12-22 16:07:13,100 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-22 16:07:13,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:07:13,630 INFO L93 Difference]: Finished difference Result 2842 states and 3835 transitions. [2021-12-22 16:07:13,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-22 16:07:13,631 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 113 [2021-12-22 16:07:13,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:07:13,642 INFO L225 Difference]: With dead ends: 2842 [2021-12-22 16:07:13,642 INFO L226 Difference]: Without dead ends: 2840 [2021-12-22 16:07:13,643 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-12-22 16:07:13,644 INFO L933 BasicCegarLoop]: 1785 mSDtfsCounter, 2877 mSDsluCounter, 2343 mSDsCounter, 0 mSdLazyCounter, 1445 mSolverCounterSat, 1328 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3043 SdHoareTripleChecker+Valid, 4128 SdHoareTripleChecker+Invalid, 2774 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1328 IncrementalHoareTripleChecker+Valid, 1445 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2021-12-22 16:07:13,644 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3043 Valid, 4128 Invalid, 2774 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1328 Valid, 1445 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2021-12-22 16:07:13,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2840 states. [2021-12-22 16:07:13,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2840 to 2836. [2021-12-22 16:07:13,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2836 states, 2009 states have (on average 1.2573419611747139) internal successors, (2526), 2051 states have internal predecessors, (2526), 649 states have call successors, (649), 162 states have call predecessors, (649), 161 states have return successors, (650), 641 states have call predecessors, (650), 647 states have call successors, (650) [2021-12-22 16:07:13,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2836 states to 2836 states and 3825 transitions. [2021-12-22 16:07:13,855 INFO L78 Accepts]: Start accepts. Automaton has 2836 states and 3825 transitions. Word has length 113 [2021-12-22 16:07:13,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:07:13,856 INFO L470 AbstractCegarLoop]: Abstraction has 2836 states and 3825 transitions. [2021-12-22 16:07:13,856 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) [2021-12-22 16:07:13,856 INFO L276 IsEmpty]: Start isEmpty. Operand 2836 states and 3825 transitions. [2021-12-22 16:07:13,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-12-22 16:07:13,857 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:07:13,858 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 16:07:13,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-22 16:07:13,858 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-12-22 16:07:13,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:07:13,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1398799483, now seen corresponding path program 1 times [2021-12-22 16:07:13,859 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:07:13,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866264562] [2021-12-22 16:07:13,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:07:13,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:07:13,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:14,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:07:14,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:14,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-22 16:07:14,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:14,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 16:07:14,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:14,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 16:07:14,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:14,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:07:14,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:14,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 16:07:14,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:14,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-22 16:07:14,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:14,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:07:14,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:14,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-22 16:07:14,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:14,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-22 16:07:14,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:14,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-22 16:07:14,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:14,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-22 16:07:14,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:14,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-22 16:07:14,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:14,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-22 16:07:14,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:14,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 16:07:14,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:14,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-22 16:07:14,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:14,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-22 16:07:14,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:14,153 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-22 16:07:14,154 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:07:14,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866264562] [2021-12-22 16:07:14,154 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866264562] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:07:14,154 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:07:14,154 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:07:14,155 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919264901] [2021-12-22 16:07:14,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:07:14,155 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:07:14,155 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:07:14,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:07:14,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:07:14,156 INFO L87 Difference]: Start difference. First operand 2836 states and 3825 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) [2021-12-22 16:07:16,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:07:16,674 INFO L93 Difference]: Finished difference Result 2836 states and 3825 transitions. [2021-12-22 16:07:16,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 16:07:16,674 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 115 [2021-12-22 16:07:16,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:07:16,693 INFO L225 Difference]: With dead ends: 2836 [2021-12-22 16:07:16,693 INFO L226 Difference]: Without dead ends: 2834 [2021-12-22 16:07:16,694 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 [2021-12-22 16:07:16,694 INFO L933 BasicCegarLoop]: 1783 mSDtfsCounter, 2765 mSDsluCounter, 2322 mSDsCounter, 0 mSdLazyCounter, 1333 mSolverCounterSat, 1274 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2929 SdHoareTripleChecker+Valid, 4105 SdHoareTripleChecker+Invalid, 2607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1274 IncrementalHoareTripleChecker+Valid, 1333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-12-22 16:07:16,695 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2929 Valid, 4105 Invalid, 2607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1274 Valid, 1333 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-12-22 16:07:16,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2834 states. [2021-12-22 16:07:16,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2834 to 2834. [2021-12-22 16:07:16,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2834 states, 2008 states have (on average 1.2569721115537849) internal successors, (2524), 2049 states have internal predecessors, (2524), 649 states have call successors, (649), 162 states have call predecessors, (649), 161 states have return successors, (650), 641 states have call predecessors, (650), 647 states have call successors, (650) [2021-12-22 16:07:16,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2834 states to 2834 states and 3823 transitions. [2021-12-22 16:07:16,785 INFO L78 Accepts]: Start accepts. Automaton has 2834 states and 3823 transitions. Word has length 115 [2021-12-22 16:07:16,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:07:16,785 INFO L470 AbstractCegarLoop]: Abstraction has 2834 states and 3823 transitions. [2021-12-22 16:07:16,785 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) [2021-12-22 16:07:16,785 INFO L276 IsEmpty]: Start isEmpty. Operand 2834 states and 3823 transitions. [2021-12-22 16:07:16,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-12-22 16:07:16,786 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:07:16,787 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 16:07:16,787 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-22 16:07:16,787 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-12-22 16:07:16,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:07:16,787 INFO L85 PathProgramCache]: Analyzing trace with hash 735494935, now seen corresponding path program 1 times [2021-12-22 16:07:16,788 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:07:16,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134649750] [2021-12-22 16:07:16,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:07:16,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:07:16,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:16,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:07:16,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:16,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-22 16:07:16,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:16,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 16:07:16,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:16,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 16:07:16,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:16,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:07:16,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:16,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 16:07:16,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:16,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-22 16:07:16,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:16,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:07:16,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:17,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-22 16:07:17,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:17,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-22 16:07:17,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:17,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-22 16:07:17,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:17,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-22 16:07:17,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:17,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-22 16:07:17,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:17,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-22 16:07:17,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:17,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 16:07:17,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:17,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-22 16:07:17,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:17,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-22 16:07:17,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:17,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-22 16:07:17,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:17,048 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-22 16:07:17,049 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:07:17,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134649750] [2021-12-22 16:07:17,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134649750] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:07:17,049 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:07:17,049 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:07:17,049 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339042928] [2021-12-22 16:07:17,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:07:17,050 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:07:17,050 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:07:17,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:07:17,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:07:17,050 INFO L87 Difference]: Start difference. First operand 2834 states and 3823 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) [2021-12-22 16:07:20,735 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-22 16:07:21,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:07:21,477 INFO L93 Difference]: Finished difference Result 2834 states and 3823 transitions. [2021-12-22 16:07:21,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 16:07:21,492 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 121 [2021-12-22 16:07:21,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:07:21,500 INFO L225 Difference]: With dead ends: 2834 [2021-12-22 16:07:21,500 INFO L226 Difference]: Without dead ends: 2832 [2021-12-22 16:07:21,502 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 [2021-12-22 16:07:21,502 INFO L933 BasicCegarLoop]: 1781 mSDtfsCounter, 2761 mSDsluCounter, 2322 mSDsCounter, 0 mSdLazyCounter, 1330 mSolverCounterSat, 1274 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2924 SdHoareTripleChecker+Valid, 4103 SdHoareTripleChecker+Invalid, 2605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1274 IncrementalHoareTripleChecker+Valid, 1330 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-12-22 16:07:21,502 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2924 Valid, 4103 Invalid, 2605 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1274 Valid, 1330 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2021-12-22 16:07:21,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2832 states. [2021-12-22 16:07:21,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2832 to 2832. [2021-12-22 16:07:21,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2832 states, 2007 states have (on average 1.2566018933731937) internal successors, (2522), 2047 states have internal predecessors, (2522), 649 states have call successors, (649), 162 states have call predecessors, (649), 161 states have return successors, (650), 641 states have call predecessors, (650), 647 states have call successors, (650) [2021-12-22 16:07:21,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2832 states to 2832 states and 3821 transitions. [2021-12-22 16:07:21,596 INFO L78 Accepts]: Start accepts. Automaton has 2832 states and 3821 transitions. Word has length 121 [2021-12-22 16:07:21,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:07:21,596 INFO L470 AbstractCegarLoop]: Abstraction has 2832 states and 3821 transitions. [2021-12-22 16:07:21,597 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) [2021-12-22 16:07:21,597 INFO L276 IsEmpty]: Start isEmpty. Operand 2832 states and 3821 transitions. [2021-12-22 16:07:21,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-12-22 16:07:21,598 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:07:21,598 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 16:07:21,598 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-22 16:07:21,598 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-12-22 16:07:21,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:07:21,599 INFO L85 PathProgramCache]: Analyzing trace with hash 565397070, now seen corresponding path program 1 times [2021-12-22 16:07:21,599 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:07:21,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112188282] [2021-12-22 16:07:21,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:07:21,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:07:21,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:21,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:07:21,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:21,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-22 16:07:21,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:21,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 16:07:21,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:21,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 16:07:21,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:21,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:07:21,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:21,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 16:07:21,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:21,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-22 16:07:21,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:21,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:07:21,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:21,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-22 16:07:21,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:21,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-22 16:07:21,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:21,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-22 16:07:21,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:21,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-22 16:07:21,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:21,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-22 16:07:21,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:21,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-22 16:07:21,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:21,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 16:07:21,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:21,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-22 16:07:21,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:21,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-22 16:07:21,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:21,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-22 16:07:21,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:21,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-22 16:07:21,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:21,832 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-22 16:07:21,832 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:07:21,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112188282] [2021-12-22 16:07:21,832 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112188282] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:07:21,833 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:07:21,833 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:07:21,833 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518421910] [2021-12-22 16:07:21,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:07:21,833 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:07:21,833 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:07:21,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:07:21,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:07:21,834 INFO L87 Difference]: Start difference. First operand 2832 states and 3821 transitions. Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-22 16:07:23,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:07:23,446 INFO L93 Difference]: Finished difference Result 2832 states and 3821 transitions. [2021-12-22 16:07:23,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 16:07:23,447 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 127 [2021-12-22 16:07:23,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:07:23,454 INFO L225 Difference]: With dead ends: 2832 [2021-12-22 16:07:23,454 INFO L226 Difference]: Without dead ends: 2830 [2021-12-22 16:07:23,455 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-22 16:07:23,458 INFO L933 BasicCegarLoop]: 1779 mSDtfsCounter, 2755 mSDsluCounter, 2322 mSDsCounter, 0 mSdLazyCounter, 1329 mSolverCounterSat, 1274 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2917 SdHoareTripleChecker+Valid, 4101 SdHoareTripleChecker+Invalid, 2603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1274 IncrementalHoareTripleChecker+Valid, 1329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-12-22 16:07:23,459 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2917 Valid, 4101 Invalid, 2603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1274 Valid, 1329 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-12-22 16:07:23,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2830 states. [2021-12-22 16:07:23,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2830 to 2830. [2021-12-22 16:07:23,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2830 states, 2006 states have (on average 1.2562313060817547) internal successors, (2520), 2045 states have internal predecessors, (2520), 649 states have call successors, (649), 162 states have call predecessors, (649), 161 states have return successors, (650), 641 states have call predecessors, (650), 647 states have call successors, (650) [2021-12-22 16:07:23,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2830 states to 2830 states and 3819 transitions. [2021-12-22 16:07:23,653 INFO L78 Accepts]: Start accepts. Automaton has 2830 states and 3819 transitions. Word has length 127 [2021-12-22 16:07:23,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:07:23,653 INFO L470 AbstractCegarLoop]: Abstraction has 2830 states and 3819 transitions. [2021-12-22 16:07:23,653 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-22 16:07:23,654 INFO L276 IsEmpty]: Start isEmpty. Operand 2830 states and 3819 transitions. [2021-12-22 16:07:23,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-12-22 16:07:23,655 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:07:23,655 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 16:07:23,655 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-22 16:07:23,655 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-12-22 16:07:23,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:07:23,656 INFO L85 PathProgramCache]: Analyzing trace with hash 517482079, now seen corresponding path program 1 times [2021-12-22 16:07:23,665 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:07:23,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880857209] [2021-12-22 16:07:23,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:07:23,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:07:23,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:23,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:07:23,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:23,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-22 16:07:23,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:23,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 16:07:23,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:23,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 16:07:23,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:23,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:07:23,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:23,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 16:07:23,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:23,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-22 16:07:23,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:23,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:07:23,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:23,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-22 16:07:23,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:23,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-22 16:07:23,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:23,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-22 16:07:23,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:24,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-22 16:07:24,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:24,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-22 16:07:24,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:24,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-22 16:07:24,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:24,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 16:07:24,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:24,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-22 16:07:24,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:24,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-22 16:07:24,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:24,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-22 16:07:24,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:24,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-22 16:07:24,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:24,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-22 16:07:24,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:24,061 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-22 16:07:24,062 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:07:24,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880857209] [2021-12-22 16:07:24,062 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880857209] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:07:24,062 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:07:24,062 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:07:24,062 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129315547] [2021-12-22 16:07:24,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:07:24,063 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:07:24,063 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:07:24,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:07:24,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:07:24,064 INFO L87 Difference]: Start difference. First operand 2830 states and 3819 transitions. Second operand has 6 states, 6 states have (on average 13.5) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-22 16:07:26,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:07:26,174 INFO L93 Difference]: Finished difference Result 2830 states and 3819 transitions. [2021-12-22 16:07:26,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 16:07:26,174 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 133 [2021-12-22 16:07:26,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:07:26,181 INFO L225 Difference]: With dead ends: 2830 [2021-12-22 16:07:26,181 INFO L226 Difference]: Without dead ends: 2828 [2021-12-22 16:07:26,182 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-22 16:07:26,182 INFO L933 BasicCegarLoop]: 1777 mSDtfsCounter, 2749 mSDsluCounter, 2322 mSDsCounter, 0 mSdLazyCounter, 1327 mSolverCounterSat, 1274 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2910 SdHoareTripleChecker+Valid, 4099 SdHoareTripleChecker+Invalid, 2601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1274 IncrementalHoareTripleChecker+Valid, 1327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-12-22 16:07:26,183 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2910 Valid, 4099 Invalid, 2601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1274 Valid, 1327 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-12-22 16:07:26,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2828 states. [2021-12-22 16:07:26,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2828 to 2828. [2021-12-22 16:07:26,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2828 states, 2005 states have (on average 1.255860349127182) internal successors, (2518), 2043 states have internal predecessors, (2518), 649 states have call successors, (649), 162 states have call predecessors, (649), 161 states have return successors, (650), 641 states have call predecessors, (650), 647 states have call successors, (650) [2021-12-22 16:07:26,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2828 states to 2828 states and 3817 transitions. [2021-12-22 16:07:26,306 INFO L78 Accepts]: Start accepts. Automaton has 2828 states and 3817 transitions. Word has length 133 [2021-12-22 16:07:26,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:07:26,306 INFO L470 AbstractCegarLoop]: Abstraction has 2828 states and 3817 transitions. [2021-12-22 16:07:26,307 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-22 16:07:26,307 INFO L276 IsEmpty]: Start isEmpty. Operand 2828 states and 3817 transitions. [2021-12-22 16:07:26,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-12-22 16:07:26,308 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:07:26,308 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 16:07:26,308 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-22 16:07:26,309 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-12-22 16:07:26,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:07:26,309 INFO L85 PathProgramCache]: Analyzing trace with hash -442601232, now seen corresponding path program 1 times [2021-12-22 16:07:26,309 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:07:26,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302166345] [2021-12-22 16:07:26,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:07:26,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:07:26,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:26,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:07:26,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:26,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-22 16:07:26,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:26,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 16:07:26,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:26,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 16:07:26,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:26,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:07:26,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:26,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 16:07:26,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:26,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-22 16:07:26,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:26,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:07:26,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:26,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-22 16:07:26,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:26,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-22 16:07:26,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:26,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-22 16:07:26,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:26,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-22 16:07:26,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:26,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-22 16:07:26,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:26,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-22 16:07:26,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:26,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 16:07:26,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:26,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-22 16:07:26,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:26,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-22 16:07:26,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:26,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-22 16:07:26,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:26,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-22 16:07:26,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:26,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-22 16:07:26,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:26,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-22 16:07:26,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:26,563 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-22 16:07:26,563 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:07:26,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302166345] [2021-12-22 16:07:26,564 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302166345] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:07:26,564 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:07:26,564 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:07:26,565 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262677788] [2021-12-22 16:07:26,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:07:26,566 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:07:26,566 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:07:26,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:07:26,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:07:26,566 INFO L87 Difference]: Start difference. First operand 2828 states and 3817 transitions. Second operand has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-22 16:07:29,961 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-22 16:07:31,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:07:31,900 INFO L93 Difference]: Finished difference Result 3626 states and 4879 transitions. [2021-12-22 16:07:31,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-22 16:07:31,901 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 139 [2021-12-22 16:07:31,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:07:31,910 INFO L225 Difference]: With dead ends: 3626 [2021-12-22 16:07:31,910 INFO L226 Difference]: Without dead ends: 3624 [2021-12-22 16:07:31,912 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-12-22 16:07:31,913 INFO L933 BasicCegarLoop]: 1775 mSDtfsCounter, 3330 mSDsluCounter, 2402 mSDsCounter, 0 mSdLazyCounter, 1850 mSolverCounterSat, 1576 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3492 SdHoareTripleChecker+Valid, 4177 SdHoareTripleChecker+Invalid, 3427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1576 IncrementalHoareTripleChecker+Valid, 1850 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2021-12-22 16:07:31,913 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3492 Valid, 4177 Invalid, 3427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1576 Valid, 1850 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2021-12-22 16:07:31,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3624 states. [2021-12-22 16:07:32,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3624 to 3426. [2021-12-22 16:07:32,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3426 states, 2430 states have (on average 1.2625514403292182) internal successors, (3068), 2469 states have internal predecessors, (3068), 793 states have call successors, (793), 192 states have call predecessors, (793), 191 states have return successors, (794), 783 states have call predecessors, (794), 791 states have call successors, (794) [2021-12-22 16:07:32,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3426 states to 3426 states and 4655 transitions. [2021-12-22 16:07:32,041 INFO L78 Accepts]: Start accepts. Automaton has 3426 states and 4655 transitions. Word has length 139 [2021-12-22 16:07:32,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:07:32,041 INFO L470 AbstractCegarLoop]: Abstraction has 3426 states and 4655 transitions. [2021-12-22 16:07:32,041 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-22 16:07:32,041 INFO L276 IsEmpty]: Start isEmpty. Operand 3426 states and 4655 transitions. [2021-12-22 16:07:32,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-12-22 16:07:32,043 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:07:32,043 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 16:07:32,044 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-22 16:07:32,044 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-12-22 16:07:32,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:07:32,044 INFO L85 PathProgramCache]: Analyzing trace with hash 834405942, now seen corresponding path program 1 times [2021-12-22 16:07:32,044 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:07:32,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944349188] [2021-12-22 16:07:32,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:07:32,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:07:32,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:32,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:07:32,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:32,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-22 16:07:32,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:32,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 16:07:32,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:32,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 16:07:32,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:32,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:07:32,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:32,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 16:07:32,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:32,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-22 16:07:32,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:32,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:07:32,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:32,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-22 16:07:32,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:32,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-22 16:07:32,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:32,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-22 16:07:32,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:32,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-22 16:07:32,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:32,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-22 16:07:32,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:32,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-22 16:07:32,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:32,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 16:07:32,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:32,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-22 16:07:32,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:32,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-22 16:07:32,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:32,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-22 16:07:32,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:32,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-22 16:07:32,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:32,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-22 16:07:32,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:32,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-22 16:07:32,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:32,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 16:07:32,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:32,272 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-22 16:07:32,272 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:07:32,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944349188] [2021-12-22 16:07:32,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944349188] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:07:32,273 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:07:32,273 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:07:32,273 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418285582] [2021-12-22 16:07:32,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:07:32,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:07:32,274 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:07:32,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:07:32,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:07:32,274 INFO L87 Difference]: Start difference. First operand 3426 states and 4655 transitions. Second operand has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-22 16:07:34,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:07:34,954 INFO L93 Difference]: Finished difference Result 3426 states and 4655 transitions. [2021-12-22 16:07:34,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 16:07:34,954 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 145 [2021-12-22 16:07:34,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:07:34,963 INFO L225 Difference]: With dead ends: 3426 [2021-12-22 16:07:34,963 INFO L226 Difference]: Without dead ends: 3424 [2021-12-22 16:07:34,965 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-22 16:07:34,965 INFO L933 BasicCegarLoop]: 1773 mSDtfsCounter, 2737 mSDsluCounter, 2322 mSDsCounter, 0 mSdLazyCounter, 1323 mSolverCounterSat, 1274 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2896 SdHoareTripleChecker+Valid, 4095 SdHoareTripleChecker+Invalid, 2597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1274 IncrementalHoareTripleChecker+Valid, 1323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-12-22 16:07:34,965 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2896 Valid, 4095 Invalid, 2597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1274 Valid, 1323 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-12-22 16:07:34,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3424 states. [2021-12-22 16:07:35,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3424 to 3424. [2021-12-22 16:07:35,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3424 states, 2429 states have (on average 1.2622478386167146) internal successors, (3066), 2467 states have internal predecessors, (3066), 793 states have call successors, (793), 192 states have call predecessors, (793), 191 states have return successors, (794), 783 states have call predecessors, (794), 791 states have call successors, (794) [2021-12-22 16:07:35,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3424 states to 3424 states and 4653 transitions. [2021-12-22 16:07:35,092 INFO L78 Accepts]: Start accepts. Automaton has 3424 states and 4653 transitions. Word has length 145 [2021-12-22 16:07:35,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:07:35,094 INFO L470 AbstractCegarLoop]: Abstraction has 3424 states and 4653 transitions. [2021-12-22 16:07:35,094 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-22 16:07:35,094 INFO L276 IsEmpty]: Start isEmpty. Operand 3424 states and 4653 transitions. [2021-12-22 16:07:35,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-12-22 16:07:35,096 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:07:35,097 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 16:07:35,097 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-22 16:07:35,097 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2021-12-22 16:07:35,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:07:35,097 INFO L85 PathProgramCache]: Analyzing trace with hash -2142227729, now seen corresponding path program 1 times [2021-12-22 16:07:35,097 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:07:35,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229544177] [2021-12-22 16:07:35,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:07:35,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:07:35,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:35,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:07:35,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:35,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-22 16:07:35,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:35,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 16:07:35,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:35,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 16:07:35,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:35,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-22 16:07:35,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:35,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:07:35,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:35,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:07:35,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:35,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:07:35,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:35,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-22 16:07:35,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:35,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:07:35,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:35,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:07:35,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:35,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:07:35,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:35,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-22 16:07:35,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:35,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:07:35,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:35,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:07:35,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:35,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:07:35,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:35,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-22 16:07:35,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:35,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-22 16:07:35,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:35,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-22 16:07:35,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:35,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-22 16:07:35,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:35,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-22 16:07:35,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:35,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-22 16:07:35,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:35,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:07:35,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:35,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-22 16:07:35,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:35,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-22 16:07:35,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:35,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-22 16:07:35,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:35,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-22 16:07:35,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:35,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-22 16:07:35,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:07:35,462 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2021-12-22 16:07:35,462 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:07:35,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229544177] [2021-12-22 16:07:35,462 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229544177] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:07:35,462 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:07:35,463 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-22 16:07:35,463 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312364598] [2021-12-22 16:07:35,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:07:35,464 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-22 16:07:35,464 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:07:35,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-22 16:07:35,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-22 16:07:35,464 INFO L87 Difference]: Start difference. First operand 3424 states and 4653 transitions. Second operand has 8 states, 8 states have (on average 8.625) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22)