./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--staging--dgnc--dgnc.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.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 377580bfb9cdbd23582fc7262bec4529e2c4a4ea4e3be1be7605e4bc96102a75 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 16:10:46,276 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 16:10:46,278 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 16:10:46,304 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 16:10:46,305 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 16:10:46,306 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 16:10:46,306 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 16:10:46,308 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 16:10:46,309 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 16:10:46,309 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 16:10:46,310 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 16:10:46,310 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 16:10:46,311 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 16:10:46,311 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 16:10:46,312 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 16:10:46,314 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 16:10:46,316 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 16:10:46,318 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 16:10:46,319 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 16:10:46,322 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 16:10:46,325 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 16:10:46,328 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 16:10:46,328 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 16:10:46,329 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 16:10:46,330 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 16:10:46,331 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 16:10:46,334 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 16:10:46,335 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 16:10:46,335 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 16:10:46,336 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 16:10:46,336 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 16:10:46,336 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 16:10:46,337 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 16:10:46,338 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 16:10:46,339 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 16:10:46,339 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 16:10:46,340 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 16:10:46,340 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 16:10:46,340 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 16:10:46,341 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 16:10:46,341 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 16:10:46,342 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 16:10:46,365 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 16:10:46,366 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 16:10:46,366 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 16:10:46,366 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 16:10:46,367 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 16:10:46,367 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 16:10:46,368 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 16:10:46,368 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 16:10:46,368 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 16:10:46,368 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 16:10:46,369 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 16:10:46,369 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 16:10:46,369 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 16:10:46,369 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 16:10:46,369 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 16:10:46,370 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 16:10:46,370 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 16:10:46,370 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 16:10:46,370 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 16:10:46,370 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 16:10:46,370 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 16:10:46,370 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 16:10:46,371 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 16:10:46,371 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 16:10:46,371 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 16:10:46,371 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 16:10:46,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 16:10:46,371 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 16:10:46,371 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 16:10:46,372 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 16:10:46,372 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 16:10:46,372 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 377580bfb9cdbd23582fc7262bec4529e2c4a4ea4e3be1be7605e4bc96102a75 [2021-12-18 16:10:46,560 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 16:10:46,578 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 16:10:46,581 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 16:10:46,581 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 16:10:46,582 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 16:10:46,583 INFO L432 ainManager$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--staging--dgnc--dgnc.ko.cil.i [2021-12-18 16:10:46,639 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/590de89ad/565f4da63b1c4db69d03d2629e4f06b6/FLAG0ef269c43 [2021-12-18 16:10:47,391 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 16:10:47,391 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i [2021-12-18 16:10:47,441 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/590de89ad/565f4da63b1c4db69d03d2629e4f06b6/FLAG0ef269c43 [2021-12-18 16:10:47,654 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/590de89ad/565f4da63b1c4db69d03d2629e4f06b6 [2021-12-18 16:10:47,656 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 16:10:47,657 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 16:10:47,658 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 16:10:47,658 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 16:10:47,660 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 16:10:47,661 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 04:10:47" (1/1) ... [2021-12-18 16:10:47,661 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c8e2897 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:10:47, skipping insertion in model container [2021-12-18 16:10:47,661 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 04:10:47" (1/1) ... [2021-12-18 16:10:47,665 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 16:10:47,808 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 16:10:53,514 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[704164,704177] [2021-12-18 16:10:53,516 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[704309,704322] [2021-12-18 16:10:53,516 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[704455,704468] [2021-12-18 16:10:53,517 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[704620,704633] [2021-12-18 16:10:53,517 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[704778,704791] [2021-12-18 16:10:53,517 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[704936,704949] [2021-12-18 16:10:53,518 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[705094,705107] [2021-12-18 16:10:53,518 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[705254,705267] [2021-12-18 16:10:53,518 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[705413,705426] [2021-12-18 16:10:53,519 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[705552,705565] [2021-12-18 16:10:53,519 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[705694,705707] [2021-12-18 16:10:53,519 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[705843,705856] [2021-12-18 16:10:53,519 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[705982,705995] [2021-12-18 16:10:53,520 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[706137,706150] [2021-12-18 16:10:53,520 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[706297,706310] [2021-12-18 16:10:53,520 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[706448,706461] [2021-12-18 16:10:53,521 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[706599,706612] [2021-12-18 16:10:53,521 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[706751,706764] [2021-12-18 16:10:53,521 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[706900,706913] [2021-12-18 16:10:53,522 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[707048,707061] [2021-12-18 16:10:53,522 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[707205,707218] [2021-12-18 16:10:53,522 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[707354,707367] [2021-12-18 16:10:53,522 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[707510,707523] [2021-12-18 16:10:53,523 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[707663,707676] [2021-12-18 16:10:53,523 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[707809,707822] [2021-12-18 16:10:53,523 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[707952,707965] [2021-12-18 16:10:53,524 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[708104,708117] [2021-12-18 16:10:53,524 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[708250,708263] [2021-12-18 16:10:53,524 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[708395,708408] [2021-12-18 16:10:53,525 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[708549,708562] [2021-12-18 16:10:53,525 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[708700,708713] [2021-12-18 16:10:53,525 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[708855,708868] [2021-12-18 16:10:53,525 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[709007,709020] [2021-12-18 16:10:53,526 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[709162,709175] [2021-12-18 16:10:53,526 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[709326,709339] [2021-12-18 16:10:53,526 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[709482,709495] [2021-12-18 16:10:53,527 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[709646,709659] [2021-12-18 16:10:53,527 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[709788,709801] [2021-12-18 16:10:53,527 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[709946,709959] [2021-12-18 16:10:53,528 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[710113,710126] [2021-12-18 16:10:53,528 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[710272,710285] [2021-12-18 16:10:53,528 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[710431,710444] [2021-12-18 16:10:53,528 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[710580,710593] [2021-12-18 16:10:53,529 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[710727,710740] [2021-12-18 16:10:53,529 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[710866,710879] [2021-12-18 16:10:53,529 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[711029,711042] [2021-12-18 16:10:53,530 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[711195,711208] [2021-12-18 16:10:53,530 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[711359,711372] [2021-12-18 16:10:53,530 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[711524,711537] [2021-12-18 16:10:53,530 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[711689,711702] [2021-12-18 16:10:53,531 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[711855,711868] [2021-12-18 16:10:53,531 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[712020,712033] [2021-12-18 16:10:53,531 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[712187,712200] [2021-12-18 16:10:53,532 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[712347,712360] [2021-12-18 16:10:53,532 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[712509,712522] [2021-12-18 16:10:53,532 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[712668,712681] [2021-12-18 16:10:53,532 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[712814,712827] [2021-12-18 16:10:53,533 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[712957,712970] [2021-12-18 16:10:53,533 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[713101,713114] [2021-12-18 16:10:53,533 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[713244,713257] [2021-12-18 16:10:53,534 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[713388,713401] [2021-12-18 16:10:53,534 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[713529,713542] [2021-12-18 16:10:53,534 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[713667,713680] [2021-12-18 16:10:53,534 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[713825,713838] [2021-12-18 16:10:53,535 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[713984,713997] [2021-12-18 16:10:53,535 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[714140,714153] [2021-12-18 16:10:53,535 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[714289,714302] [2021-12-18 16:10:53,536 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[714441,714454] [2021-12-18 16:10:53,536 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[714592,714605] [2021-12-18 16:10:53,536 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[714741,714754] [2021-12-18 16:10:53,536 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[714893,714906] [2021-12-18 16:10:53,537 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[715041,715054] [2021-12-18 16:10:53,537 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[715194,715207] [2021-12-18 16:10:53,537 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[715345,715358] [2021-12-18 16:10:53,537 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[715495,715508] [2021-12-18 16:10:53,538 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[715642,715655] [2021-12-18 16:10:53,538 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[715793,715806] [2021-12-18 16:10:53,538 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[715944,715957] [2021-12-18 16:10:53,539 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[716092,716105] [2021-12-18 16:10:53,539 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[716258,716271] [2021-12-18 16:10:53,539 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[716427,716440] [2021-12-18 16:10:53,539 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[716594,716607] [2021-12-18 16:10:53,540 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[716762,716775] [2021-12-18 16:10:53,540 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[716912,716925] [2021-12-18 16:10:53,540 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[717059,717072] [2021-12-18 16:10:53,541 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[717220,717233] [2021-12-18 16:10:53,541 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[717390,717403] [2021-12-18 16:10:53,541 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[717552,717565] [2021-12-18 16:10:53,556 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 16:10:53,592 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 16:10:54,417 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[704164,704177] [2021-12-18 16:10:54,418 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[704309,704322] [2021-12-18 16:10:54,418 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[704455,704468] [2021-12-18 16:10:54,419 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[704620,704633] [2021-12-18 16:10:54,420 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[704778,704791] [2021-12-18 16:10:54,420 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[704936,704949] [2021-12-18 16:10:54,421 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[705094,705107] [2021-12-18 16:10:54,421 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[705254,705267] [2021-12-18 16:10:54,422 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[705413,705426] [2021-12-18 16:10:54,422 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[705552,705565] [2021-12-18 16:10:54,423 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[705694,705707] [2021-12-18 16:10:54,423 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[705843,705856] [2021-12-18 16:10:54,424 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[705982,705995] [2021-12-18 16:10:54,425 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[706137,706150] [2021-12-18 16:10:54,425 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[706297,706310] [2021-12-18 16:10:54,425 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[706448,706461] [2021-12-18 16:10:54,425 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[706599,706612] [2021-12-18 16:10:54,426 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[706751,706764] [2021-12-18 16:10:54,426 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[706900,706913] [2021-12-18 16:10:54,426 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[707048,707061] [2021-12-18 16:10:54,426 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[707205,707218] [2021-12-18 16:10:54,427 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[707354,707367] [2021-12-18 16:10:54,427 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[707510,707523] [2021-12-18 16:10:54,427 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[707663,707676] [2021-12-18 16:10:54,428 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[707809,707822] [2021-12-18 16:10:54,428 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[707952,707965] [2021-12-18 16:10:54,433 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[708104,708117] [2021-12-18 16:10:54,433 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[708250,708263] [2021-12-18 16:10:54,434 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[708395,708408] [2021-12-18 16:10:54,434 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[708549,708562] [2021-12-18 16:10:54,434 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[708700,708713] [2021-12-18 16:10:54,435 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[708855,708868] [2021-12-18 16:10:54,435 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[709007,709020] [2021-12-18 16:10:54,435 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[709162,709175] [2021-12-18 16:10:54,436 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[709326,709339] [2021-12-18 16:10:54,436 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[709482,709495] [2021-12-18 16:10:54,436 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[709646,709659] [2021-12-18 16:10:54,437 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[709788,709801] [2021-12-18 16:10:54,451 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[709946,709959] [2021-12-18 16:10:54,453 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[710113,710126] [2021-12-18 16:10:54,453 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[710272,710285] [2021-12-18 16:10:54,454 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[710431,710444] [2021-12-18 16:10:54,454 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[710580,710593] [2021-12-18 16:10:54,454 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[710727,710740] [2021-12-18 16:10:54,455 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[710866,710879] [2021-12-18 16:10:54,455 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[711029,711042] [2021-12-18 16:10:54,455 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[711195,711208] [2021-12-18 16:10:54,456 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[711359,711372] [2021-12-18 16:10:54,456 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[711524,711537] [2021-12-18 16:10:54,457 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[711689,711702] [2021-12-18 16:10:54,457 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[711855,711868] [2021-12-18 16:10:54,457 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[712020,712033] [2021-12-18 16:10:54,458 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[712187,712200] [2021-12-18 16:10:54,459 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[712347,712360] [2021-12-18 16:10:54,459 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[712509,712522] [2021-12-18 16:10:54,459 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[712668,712681] [2021-12-18 16:10:54,459 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[712814,712827] [2021-12-18 16:10:54,460 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[712957,712970] [2021-12-18 16:10:54,460 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[713101,713114] [2021-12-18 16:10:54,460 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[713244,713257] [2021-12-18 16:10:54,460 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[713388,713401] [2021-12-18 16:10:54,462 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[713529,713542] [2021-12-18 16:10:54,465 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[713667,713680] [2021-12-18 16:10:54,466 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[713825,713838] [2021-12-18 16:10:54,467 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[713984,713997] [2021-12-18 16:10:54,467 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[714140,714153] [2021-12-18 16:10:54,467 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[714289,714302] [2021-12-18 16:10:54,468 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[714441,714454] [2021-12-18 16:10:54,468 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[714592,714605] [2021-12-18 16:10:54,469 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[714741,714754] [2021-12-18 16:10:54,469 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[714893,714906] [2021-12-18 16:10:54,469 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[715041,715054] [2021-12-18 16:10:54,473 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[715194,715207] [2021-12-18 16:10:54,473 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[715345,715358] [2021-12-18 16:10:54,473 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[715495,715508] [2021-12-18 16:10:54,474 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[715642,715655] [2021-12-18 16:10:54,474 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[715793,715806] [2021-12-18 16:10:54,474 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[715944,715957] [2021-12-18 16:10:54,475 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[716092,716105] [2021-12-18 16:10:54,475 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[716258,716271] [2021-12-18 16:10:54,476 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[716427,716440] [2021-12-18 16:10:54,476 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[716594,716607] [2021-12-18 16:10:54,477 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[716762,716775] [2021-12-18 16:10:54,477 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[716912,716925] [2021-12-18 16:10:54,477 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[717059,717072] [2021-12-18 16:10:54,477 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[717220,717233] [2021-12-18 16:10:54,477 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[717390,717403] [2021-12-18 16:10:54,478 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[717552,717565] [2021-12-18 16:10:54,495 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 16:10:54,818 INFO L208 MainTranslator]: Completed translation [2021-12-18 16:10:54,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:10:54 WrapperNode [2021-12-18 16:10:54,819 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 16:10:54,820 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 16:10:54,820 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 16:10:54,820 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 16:10:54,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:10:54" (1/1) ... [2021-12-18 16:10:54,995 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:10:54" (1/1) ... [2021-12-18 16:10:55,264 INFO L137 Inliner]: procedures = 959, calls = 6658, calls flagged for inlining = 486, calls inlined = 413, statements flattened = 16460 [2021-12-18 16:10:55,265 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 16:10:55,265 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 16:10:55,265 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 16:10:55,266 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 16:10:55,272 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:10:54" (1/1) ... [2021-12-18 16:10:55,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:10:54" (1/1) ... [2021-12-18 16:10:55,338 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:10:54" (1/1) ... [2021-12-18 16:10:55,339 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:10:54" (1/1) ... [2021-12-18 16:10:55,608 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:10:54" (1/1) ... [2021-12-18 16:10:55,640 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:10:54" (1/1) ... [2021-12-18 16:10:55,684 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:10:54" (1/1) ... [2021-12-18 16:10:55,740 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 16:10:55,741 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 16:10:55,741 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 16:10:55,741 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 16:10:55,742 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:10:54" (1/1) ... [2021-12-18 16:10:55,747 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 16:10:55,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 16:10:55,761 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-18 16:10:55,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-18 16:10:55,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2021-12-18 16:10:55,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2021-12-18 16:10:55,795 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_maxcps_room [2021-12-18 16:10:55,795 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_maxcps_room [2021-12-18 16:10:55,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-12-18 16:10:55,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-12-18 16:10:55,795 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-12-18 16:10:55,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-12-18 16:10:55,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-18 16:10:55,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-18 16:10:55,796 INFO L130 BoogieDeclarations]: Found specification of procedure neo_vpd [2021-12-18 16:10:55,796 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_vpd [2021-12-18 16:10:55,796 INFO L130 BoogieDeclarations]: Found specification of procedure neo_parse_modem [2021-12-18 16:10:55,796 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_parse_modem [2021-12-18 16:10:55,796 INFO L130 BoogieDeclarations]: Found specification of procedure cls_param [2021-12-18 16:10:55,796 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_param [2021-12-18 16:10:55,796 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-18 16:10:55,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-18 16:10:55,797 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_device [2021-12-18 16:10:55,797 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_device [2021-12-18 16:10:55,797 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-18 16:10:55,797 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-18 16:10:55,797 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_mgmt_close [2021-12-18 16:10:55,797 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_mgmt_close [2021-12-18 16:10:55,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-12-18 16:10:55,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-12-18 16:10:55,797 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_tty_chars_in_buffer [2021-12-18 16:10:55,798 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_tty_chars_in_buffer [2021-12-18 16:10:55,798 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_driver_version_show [2021-12-18 16:10:55,798 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_driver_version_show [2021-12-18 16:10:55,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver [2021-12-18 16:10:55,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver [2021-12-18 16:10:55,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-18 16:10:55,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-18 16:10:55,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-12-18 16:10:55,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-12-18 16:10:55,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 16:10:55,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-12-18 16:10:55,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-12-18 16:10:55,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_dgnc_global_lock [2021-12-18 16:10:55,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_dgnc_global_lock [2021-12-18 16:10:55,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-18 16:10:55,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-18 16:10:55,799 INFO L130 BoogieDeclarations]: Found specification of procedure cls_send_stop_character [2021-12-18 16:10:55,799 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_send_stop_character [2021-12-18 16:10:55,799 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2021-12-18 16:10:55,799 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2021-12-18 16:10:55,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_bd_lock_of_dgnc_board [2021-12-18 16:10:55,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_bd_lock_of_dgnc_board [2021-12-18 16:10:55,800 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-18 16:10:55,800 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-18 16:10:55,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-12-18 16:10:55,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-12-18 16:10:55,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_check_return_value_probe [2021-12-18 16:10:55,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_check_return_value_probe [2021-12-18 16:10:55,800 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_tty_start [2021-12-18 16:10:55,800 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_tty_start [2021-12-18 16:10:55,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 16:10:55,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-12-18 16:10:55,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2021-12-18 16:10:55,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_check_return_value_probe [2021-12-18 16:10:55,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_check_return_value_probe [2021-12-18 16:10:55,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 16:10:55,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-18 16:10:55,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-18 16:10:55,801 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-18 16:10:55,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-18 16:10:55,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 16:10:55,802 INFO L130 BoogieDeclarations]: Found specification of procedure tty_set_operations [2021-12-18 16:10:55,802 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_set_operations [2021-12-18 16:10:55,802 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-18 16:10:55,802 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-12-18 16:10:55,802 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-12-18 16:10:55,802 INFO L130 BoogieDeclarations]: Found specification of procedure neo_parse_isr [2021-12-18 16:10:55,802 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_parse_isr [2021-12-18 16:10:55,802 INFO L130 BoogieDeclarations]: Found specification of procedure driver_create_file [2021-12-18 16:10:55,802 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_create_file [2021-12-18 16:10:55,803 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_driver [2021-12-18 16:10:55,803 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_register_driver [2021-12-18 16:10:55,803 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2021-12-18 16:10:55,803 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2021-12-18 16:10:55,803 INFO L130 BoogieDeclarations]: Found specification of procedure cls_assert_modem_signals [2021-12-18 16:10:55,803 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_assert_modem_signals [2021-12-18 16:10:55,803 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hangup [2021-12-18 16:10:55,803 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hangup [2021-12-18 16:10:55,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_sysfs_remove_group [2021-12-18 16:10:55,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_sysfs_remove_group [2021-12-18 16:10:55,804 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-18 16:10:55,804 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-18 16:10:55,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 16:10:55,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 16:10:55,804 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-18 16:10:55,804 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-18 16:10:55,804 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2021-12-18 16:10:55,804 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2021-12-18 16:10:55,804 INFO L130 BoogieDeclarations]: Found specification of procedure cls_drain [2021-12-18 16:10:55,804 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_drain [2021-12-18 16:10:55,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 16:10:55,805 INFO L130 BoogieDeclarations]: Found specification of procedure driver_remove_file [2021-12-18 16:10:55,805 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_remove_file [2021-12-18 16:10:55,805 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2021-12-18 16:10:55,805 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2021-12-18 16:10:55,805 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-18 16:10:55,805 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-18 16:10:55,805 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_tty_hangup [2021-12-18 16:10:55,805 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_tty_hangup [2021-12-18 16:10:55,805 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2021-12-18 16:10:55,805 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2021-12-18 16:10:55,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-18 16:10:55,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-18 16:10:55,806 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_tty_tiocmget [2021-12-18 16:10:55,806 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_tty_tiocmget [2021-12-18 16:10:55,806 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_tty_open [2021-12-18 16:10:55,806 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_tty_open [2021-12-18 16:10:55,806 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_tty_set_termios [2021-12-18 16:10:55,806 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_tty_set_termios [2021-12-18 16:10:55,806 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_input [2021-12-18 16:10:55,806 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_input [2021-12-18 16:10:55,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_bd_intr_lock_of_dgnc_board [2021-12-18 16:10:55,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_bd_intr_lock_of_dgnc_board [2021-12-18 16:10:55,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 16:10:55,807 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 16:10:55,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2021-12-18 16:10:55,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2021-12-18 16:10:55,807 INFO L130 BoogieDeclarations]: Found specification of procedure tty_ldisc_deref [2021-12-18 16:10:55,807 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_ldisc_deref [2021-12-18 16:10:55,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-18 16:10:55,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-18 16:10:55,807 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_driver_boards_show [2021-12-18 16:10:55,808 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_driver_boards_show [2021-12-18 16:10:55,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-12-18 16:10:55,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-12-18 16:10:55,808 INFO L130 BoogieDeclarations]: Found specification of procedure neo_copy_data_from_queue_to_uart [2021-12-18 16:10:55,808 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_copy_data_from_queue_to_uart [2021-12-18 16:10:55,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-12-18 16:10:55,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-12-18 16:10:55,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 16:10:55,808 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-18 16:10:55,808 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-18 16:10:55,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-12-18 16:10:55,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-12-18 16:10:55,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_base_class__double_registration [2021-12-18 16:10:55,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_base_class__double_registration [2021-12-18 16:10:55,809 INFO L130 BoogieDeclarations]: Found specification of procedure neo_assert_modem_signals [2021-12-18 16:10:55,809 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_assert_modem_signals [2021-12-18 16:10:55,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_112 [2021-12-18 16:10:55,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_112 [2021-12-18 16:10:55,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 16:10:55,809 INFO L130 BoogieDeclarations]: Found specification of procedure neo_param [2021-12-18 16:10:55,809 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_param [2021-12-18 16:10:55,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_destroy_class [2021-12-18 16:10:55,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_destroy_class [2021-12-18 16:10:55,810 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-18 16:10:55,810 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-18 16:10:55,810 INFO L130 BoogieDeclarations]: Found specification of procedure neo_copy_data_from_uart_to_queue [2021-12-18 16:10:55,810 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_copy_data_from_uart_to_queue [2021-12-18 16:10:55,810 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-12-18 16:10:55,810 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-12-18 16:10:55,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_102 [2021-12-18 16:10:55,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_102 [2021-12-18 16:10:55,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_104 [2021-12-18 16:10:55,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_104 [2021-12-18 16:10:55,811 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2021-12-18 16:10:55,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2021-12-18 16:10:55,811 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-18 16:10:55,811 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-18 16:10:55,811 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-18 16:10:55,811 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-18 16:10:55,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-18 16:10:55,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-18 16:10:55,811 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_cleanup_module [2021-12-18 16:10:55,811 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_cleanup_module [2021-12-18 16:10:55,812 INFO L130 BoogieDeclarations]: Found specification of procedure waitqueue_active [2021-12-18 16:10:55,812 INFO L138 BoogieDeclarations]: Found implementation of procedure waitqueue_active [2021-12-18 16:10:55,812 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_tty_flush_chars [2021-12-18 16:10:55,812 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_tty_flush_chars [2021-12-18 16:10:55,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-12-18 16:10:55,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-12-18 16:10:55,812 INFO L130 BoogieDeclarations]: Found specification of procedure cls_uart_init [2021-12-18 16:10:55,812 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_uart_init [2021-12-18 16:10:55,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-12-18 16:10:55,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-12-18 16:10:55,813 INFO L130 BoogieDeclarations]: Found specification of procedure neo_send_start_character [2021-12-18 16:10:55,813 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_send_start_character [2021-12-18 16:10:55,813 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_tty_close [2021-12-18 16:10:55,813 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_tty_close [2021-12-18 16:10:55,813 INFO L130 BoogieDeclarations]: Found specification of procedure neo_send_immediate_char [2021-12-18 16:10:55,813 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_send_immediate_char [2021-12-18 16:10:55,813 INFO L130 BoogieDeclarations]: Found specification of procedure neo_set_no_output_flow_control [2021-12-18 16:10:55,813 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_set_no_output_flow_control [2021-12-18 16:10:55,813 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~uint~0~TO~int [2021-12-18 16:10:55,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~uint~0~TO~int [2021-12-18 16:10:55,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 16:10:55,814 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_wakeup_writes [2021-12-18 16:10:55,814 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_wakeup_writes [2021-12-18 16:10:55,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 16:10:55,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 16:10:55,814 INFO L130 BoogieDeclarations]: Found specification of procedure cls_get_uart_bytes_left [2021-12-18 16:10:55,814 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_get_uart_bytes_left [2021-12-18 16:10:55,814 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_device [2021-12-18 16:10:55,814 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_register_device [2021-12-18 16:10:55,814 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2021-12-18 16:10:55,814 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2021-12-18 16:10:55,814 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_wmove [2021-12-18 16:10:55,815 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_wmove [2021-12-18 16:10:55,815 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-18 16:10:55,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-18 16:10:55,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_ch_lock_of_channel_t [2021-12-18 16:10:55,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_ch_lock_of_channel_t [2021-12-18 16:10:55,815 INFO L130 BoogieDeclarations]: Found specification of procedure cls_parse_modem [2021-12-18 16:10:55,815 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_parse_modem [2021-12-18 16:10:55,815 INFO L130 BoogieDeclarations]: Found specification of procedure neo_flush_uart_write [2021-12-18 16:10:55,815 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_flush_uart_write [2021-12-18 16:10:55,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_dgnc_poll_lock [2021-12-18 16:10:55,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_dgnc_poll_lock [2021-12-18 16:10:55,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2021-12-18 16:10:55,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2021-12-18 16:10:55,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2021-12-18 16:10:55,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2021-12-18 16:10:55,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_97 [2021-12-18 16:10:55,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_97 [2021-12-18 16:10:55,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-12-18 16:10:55,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-12-18 16:10:55,816 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_tty_wait_until_sent [2021-12-18 16:10:55,817 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_tty_wait_until_sent [2021-12-18 16:10:55,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 16:10:55,817 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 16:10:55,817 INFO L130 BoogieDeclarations]: Found specification of procedure neo_send_stop_character [2021-12-18 16:10:55,817 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_send_stop_character [2021-12-18 16:10:55,817 INFO L130 BoogieDeclarations]: Found specification of procedure tty_check_change [2021-12-18 16:10:55,817 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_check_change [2021-12-18 16:10:55,817 INFO L130 BoogieDeclarations]: Found specification of procedure cls_copy_data_from_queue_to_uart [2021-12-18 16:10:55,817 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_copy_data_from_queue_to_uart [2021-12-18 16:10:55,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 16:10:55,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 16:10:55,818 INFO L130 BoogieDeclarations]: Found specification of procedure neo_enable_receiver [2021-12-18 16:10:55,818 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_enable_receiver [2021-12-18 16:10:55,818 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2021-12-18 16:10:55,818 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2021-12-18 16:10:55,818 INFO L130 BoogieDeclarations]: Found specification of procedure cls_uart_off [2021-12-18 16:10:55,818 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_uart_off [2021-12-18 16:10:55,818 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-12-18 16:10:55,818 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-12-18 16:10:55,818 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_do_remap [2021-12-18 16:10:55,818 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_do_remap [2021-12-18 16:10:55,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-12-18 16:10:55,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-12-18 16:10:55,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-12-18 16:10:55,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-12-18 16:10:55,819 INFO L130 BoogieDeclarations]: Found specification of procedure neo_drain [2021-12-18 16:10:55,819 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_drain [2021-12-18 16:10:55,819 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-18 16:10:55,819 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-18 16:10:55,819 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_mgmt_open [2021-12-18 16:10:55,819 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_mgmt_open [2021-12-18 16:10:55,819 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_tty_uninit [2021-12-18 16:10:55,820 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_tty_uninit [2021-12-18 16:10:55,820 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_tty_stop [2021-12-18 16:10:55,820 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_tty_stop [2021-12-18 16:10:55,820 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_tty_flush_buffer [2021-12-18 16:10:55,820 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_tty_flush_buffer [2021-12-18 16:10:55,820 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_driver_pollrate_store [2021-12-18 16:10:55,820 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_driver_pollrate_store [2021-12-18 16:10:55,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-18 16:10:55,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-18 16:10:55,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-18 16:10:55,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-18 16:10:55,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-12-18 16:10:55,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-12-18 16:10:55,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 16:10:55,821 INFO L130 BoogieDeclarations]: Found specification of procedure neo_send_break [2021-12-18 16:10:55,821 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_send_break [2021-12-18 16:10:55,821 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_check_queue_flow_control [2021-12-18 16:10:55,821 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_check_queue_flow_control [2021-12-18 16:10:55,821 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-12-18 16:10:55,821 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-12-18 16:10:55,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 16:10:55,821 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-18 16:10:55,822 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-18 16:10:55,822 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-18 16:10:55,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-18 16:10:55,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 16:10:55,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-12-18 16:10:55,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-12-18 16:10:55,822 INFO L130 BoogieDeclarations]: Found specification of procedure cls_enable_receiver [2021-12-18 16:10:55,822 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_enable_receiver [2021-12-18 16:10:55,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-12-18 16:10:55,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-12-18 16:10:55,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 16:10:55,823 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 16:10:55,823 INFO L130 BoogieDeclarations]: Found specification of procedure cls_disable_receiver [2021-12-18 16:10:55,823 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_disable_receiver [2021-12-18 16:10:55,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-12-18 16:10:55,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-12-18 16:10:55,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-18 16:10:55,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-18 16:10:55,823 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_tty_tiocmset [2021-12-18 16:10:55,823 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_tty_tiocmset [2021-12-18 16:10:55,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-18 16:10:55,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-18 16:10:55,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_fs_char_dev__double_registration [2021-12-18 16:10:55,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_fs_char_dev__double_registration [2021-12-18 16:10:55,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-12-18 16:10:55,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-12-18 16:10:55,824 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_tty_unthrottle [2021-12-18 16:10:55,824 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_tty_unthrottle [2021-12-18 16:10:55,824 INFO L130 BoogieDeclarations]: Found specification of procedure neo_pci_posting_flush [2021-12-18 16:10:55,824 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_pci_posting_flush [2021-12-18 16:10:55,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_unregister_device [2021-12-18 16:10:55,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_unregister_device [2021-12-18 16:10:55,825 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 16:10:55,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 16:10:55,825 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-18 16:10:55,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-18 16:10:55,825 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2021-12-18 16:10:55,825 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2021-12-18 16:10:55,825 INFO L130 BoogieDeclarations]: Found specification of procedure cls_send_break [2021-12-18 16:10:55,825 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_send_break [2021-12-18 16:10:55,825 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_remove_tty_sysfs [2021-12-18 16:10:55,825 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_remove_tty_sysfs [2021-12-18 16:10:55,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-12-18 16:10:55,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-12-18 16:10:55,826 INFO L130 BoogieDeclarations]: Found specification of procedure neo_disable_receiver [2021-12-18 16:10:55,826 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_disable_receiver [2021-12-18 16:10:55,826 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2021-12-18 16:10:55,826 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2021-12-18 16:10:55,826 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-18 16:10:55,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-18 16:10:55,826 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-12-18 16:10:55,826 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-12-18 16:10:55,826 INFO L130 BoogieDeclarations]: Found specification of procedure neo_get_uart_bytes_left [2021-12-18 16:10:55,826 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_get_uart_bytes_left [2021-12-18 16:10:55,827 INFO L130 BoogieDeclarations]: Found specification of procedure cls_set_no_input_flow_control [2021-12-18 16:10:55,827 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_set_no_input_flow_control [2021-12-18 16:10:55,827 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_tty_write [2021-12-18 16:10:55,827 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_tty_write [2021-12-18 16:10:55,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 16:10:55,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 16:10:55,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 16:10:55,827 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_init_one [2021-12-18 16:10:55,827 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_init_one [2021-12-18 16:10:55,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-18 16:10:55,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-18 16:10:55,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_destroy_class [2021-12-18 16:10:55,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_destroy_class [2021-12-18 16:10:55,828 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_carrier [2021-12-18 16:10:55,828 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_carrier [2021-12-18 16:10:55,828 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_tty_ioctl [2021-12-18 16:10:55,828 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_tty_ioctl [2021-12-18 16:10:55,828 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_tty_throttle [2021-12-18 16:10:55,828 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_tty_throttle [2021-12-18 16:10:55,828 INFO L130 BoogieDeclarations]: Found specification of procedure neo_uart_off [2021-12-18 16:10:55,828 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_uart_off [2021-12-18 16:10:55,829 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2021-12-18 16:10:55,829 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2021-12-18 16:10:55,829 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~uint~0 [2021-12-18 16:10:55,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~uint~0 [2021-12-18 16:10:55,829 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-12-18 16:10:55,829 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-12-18 16:10:55,829 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_tty_put_char [2021-12-18 16:10:55,829 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_tty_put_char [2021-12-18 16:10:55,829 INFO L130 BoogieDeclarations]: Found specification of procedure cls_send_immediate_char [2021-12-18 16:10:55,829 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_send_immediate_char [2021-12-18 16:10:55,829 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_driver_maxboards_show [2021-12-18 16:10:55,830 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_driver_maxboards_show [2021-12-18 16:10:55,830 INFO L130 BoogieDeclarations]: Found specification of procedure up [2021-12-18 16:10:55,830 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2021-12-18 16:10:55,830 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2021-12-18 16:10:55,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2021-12-18 16:10:55,830 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_create_tty_sysfs [2021-12-18 16:10:55,830 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_create_tty_sysfs [2021-12-18 16:10:55,830 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-12-18 16:10:55,830 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-12-18 16:10:55,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 16:10:55,830 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-18 16:10:55,831 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-18 16:10:55,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_97___0 [2021-12-18 16:10:55,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_97___0 [2021-12-18 16:10:55,831 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-18 16:10:55,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-18 16:10:55,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-18 16:10:55,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-18 16:10:55,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-12-18 16:10:55,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-12-18 16:10:55,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-18 16:10:55,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-18 16:10:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure cls_set_no_output_flow_control [2021-12-18 16:10:55,832 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_set_no_output_flow_control [2021-12-18 16:10:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure neo_tasklet [2021-12-18 16:10:55,832 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_tasklet [2021-12-18 16:10:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_tty_send_break [2021-12-18 16:10:55,832 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_tty_send_break [2021-12-18 16:10:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure tty_ldisc_flush [2021-12-18 16:10:55,832 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_ldisc_flush [2021-12-18 16:10:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-12-18 16:10:55,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-12-18 16:10:55,833 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_tty_write_room [2021-12-18 16:10:55,833 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_tty_write_room [2021-12-18 16:10:55,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-12-18 16:10:55,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-12-18 16:10:55,833 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 16:10:55,833 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 16:10:55,833 INFO L130 BoogieDeclarations]: Found specification of procedure cls_flush_uart_write [2021-12-18 16:10:55,833 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_flush_uart_write [2021-12-18 16:10:55,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-12-18 16:10:55,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-12-18 16:10:55,833 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_tty_send_xchar [2021-12-18 16:10:55,834 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_tty_send_xchar [2021-12-18 16:10:55,834 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_driver_pollrate_show [2021-12-18 16:10:55,834 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_driver_pollrate_show [2021-12-18 16:10:55,834 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-18 16:10:55,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-18 16:10:55,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_100 [2021-12-18 16:10:55,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_100 [2021-12-18 16:10:55,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-12-18 16:10:55,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-12-18 16:10:55,834 INFO L130 BoogieDeclarations]: Found specification of procedure cls_tasklet [2021-12-18 16:10:55,834 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_tasklet [2021-12-18 16:10:55,835 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-18 16:10:55,835 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-18 16:10:55,835 INFO L130 BoogieDeclarations]: Found specification of procedure cls_vpd [2021-12-18 16:10:55,835 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_vpd [2021-12-18 16:10:55,835 INFO L130 BoogieDeclarations]: Found specification of procedure neo_set_no_input_flow_control [2021-12-18 16:10:55,835 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_set_no_input_flow_control [2021-12-18 16:10:55,835 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2021-12-18 16:10:55,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2021-12-18 16:10:55,835 INFO L130 BoogieDeclarations]: Found specification of procedure neo_flush_uart_read [2021-12-18 16:10:55,835 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_flush_uart_read [2021-12-18 16:10:55,835 INFO L130 BoogieDeclarations]: Found specification of procedure cls_send_start_character [2021-12-18 16:10:55,836 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_send_start_character [2021-12-18 16:10:55,836 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-18 16:10:55,836 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-18 16:10:55,836 INFO L130 BoogieDeclarations]: Found specification of procedure neo_uart_init [2021-12-18 16:10:55,836 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_uart_init [2021-12-18 16:10:55,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-18 16:10:55,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-18 16:10:55,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-12-18 16:10:55,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-12-18 16:10:55,836 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-18 16:10:55,836 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-18 16:10:55,837 INFO L130 BoogieDeclarations]: Found specification of procedure tty_devnum [2021-12-18 16:10:55,837 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_devnum [2021-12-18 16:10:55,837 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-18 16:10:55,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-18 16:10:55,837 INFO L130 BoogieDeclarations]: Found specification of procedure cls_flush_uart_read [2021-12-18 16:10:55,837 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_flush_uart_read [2021-12-18 16:10:55,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 16:10:55,837 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-18 16:10:55,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-18 16:10:55,837 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2021-12-18 16:10:55,838 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2021-12-18 16:10:55,838 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-18 16:10:55,838 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2021-12-18 16:10:55,838 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2021-12-18 16:10:55,838 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2021-12-18 16:10:55,838 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2021-12-18 16:10:57,110 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 16:10:57,124 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 16:10:57,333 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 16:11:15,590 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint switch_break: call ULTIMATE.dealloc(~#buf~0#1.base, ~#buf~0#1.offset);havoc ~#buf~0#1.base, ~#buf~0#1.offset;call ULTIMATE.dealloc(~#buf___0~0#1.base, ~#buf___0~0#1.offset);havoc ~#buf___0~0#1.base, ~#buf___0~0#1.offset; [2021-12-18 16:12:08,752 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 16:12:08,772 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 16:12:08,772 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-12-18 16:12:08,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 04:12:08 BoogieIcfgContainer [2021-12-18 16:12:08,776 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 16:12:08,777 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 16:12:08,777 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 16:12:08,779 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 16:12:08,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 04:10:47" (1/3) ... [2021-12-18 16:12:08,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a28cac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 04:12:08, skipping insertion in model container [2021-12-18 16:12:08,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:10:54" (2/3) ... [2021-12-18 16:12:08,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a28cac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 04:12:08, skipping insertion in model container [2021-12-18 16:12:08,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 04:12:08" (3/3) ... [2021-12-18 16:12:08,781 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i [2021-12-18 16:12:08,784 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 16:12:08,784 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 37 error locations. [2021-12-18 16:12:08,822 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 16:12:08,825 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-18 16:12:08,825 INFO L340 AbstractCegarLoop]: Starting to check reachability of 37 error locations. [2021-12-18 16:12:08,880 INFO L276 IsEmpty]: Start isEmpty. Operand has 4934 states, 3280 states have (on average 1.3810975609756098) internal successors, (4530), 3490 states have internal predecessors, (4530), 1398 states have call successors, (1398), 219 states have call predecessors, (1398), 218 states have return successors, (1390), 1317 states have call predecessors, (1390), 1390 states have call successors, (1390) [2021-12-18 16:12:08,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-12-18 16:12:08,883 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:12:08,883 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-18 16:12:08,884 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_fs_char_dev__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 35 more)] === [2021-12-18 16:12:08,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:12:08,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1984448998, now seen corresponding path program 1 times [2021-12-18 16:12:08,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:12:08,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365315650] [2021-12-18 16:12:08,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:12:08,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:12:09,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:09,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:12:09,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:09,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 16:12:09,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:09,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 16:12:09,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:09,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:12:09,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:09,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:12:09,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:09,542 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-18 16:12:09,542 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:12:09,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365315650] [2021-12-18 16:12:09,543 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365315650] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:12:09,543 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:12:09,543 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-18 16:12:09,544 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485337610] [2021-12-18 16:12:09,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:12:09,547 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 16:12:09,548 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:12:09,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 16:12:09,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 16:12:09,582 INFO L87 Difference]: Start difference. First operand has 4934 states, 3280 states have (on average 1.3810975609756098) internal successors, (4530), 3490 states have internal predecessors, (4530), 1398 states have call successors, (1398), 219 states have call predecessors, (1398), 218 states have return successors, (1390), 1317 states have call predecessors, (1390), 1390 states have call successors, (1390) Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-18 16:12:09,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:12:09,944 INFO L93 Difference]: Finished difference Result 9845 states and 15097 transitions. [2021-12-18 16:12:09,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 16:12:09,946 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 39 [2021-12-18 16:12:09,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:12:09,991 INFO L225 Difference]: With dead ends: 9845 [2021-12-18 16:12:09,992 INFO L226 Difference]: Without dead ends: 4910 [2021-12-18 16:12:10,028 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 16:12:10,031 INFO L933 BasicCegarLoop]: 7249 mSDtfsCounter, 1 mSDsluCounter, 7247 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 14496 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-18 16:12:10,031 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 14496 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 16:12:10,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4910 states. [2021-12-18 16:12:10,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4910 to 4909. [2021-12-18 16:12:10,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4909 states, 3265 states have (on average 1.3629402756508422) internal successors, (4450), 3471 states have internal predecessors, (4450), 1390 states have call successors, (1390), 218 states have call predecessors, (1390), 217 states have return successors, (1388), 1315 states have call predecessors, (1388), 1388 states have call successors, (1388) [2021-12-18 16:12:10,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4909 states to 4909 states and 7228 transitions. [2021-12-18 16:12:10,309 INFO L78 Accepts]: Start accepts. Automaton has 4909 states and 7228 transitions. Word has length 39 [2021-12-18 16:12:10,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:12:10,310 INFO L470 AbstractCegarLoop]: Abstraction has 4909 states and 7228 transitions. [2021-12-18 16:12:10,311 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-18 16:12:10,311 INFO L276 IsEmpty]: Start isEmpty. Operand 4909 states and 7228 transitions. [2021-12-18 16:12:10,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-12-18 16:12:10,313 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:12:10,313 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-18 16:12:10,314 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 16:12:10,314 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_fs_char_dev__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 35 more)] === [2021-12-18 16:12:10,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:12:10,317 INFO L85 PathProgramCache]: Analyzing trace with hash -724701054, now seen corresponding path program 1 times [2021-12-18 16:12:10,317 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:12:10,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151479757] [2021-12-18 16:12:10,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:12:10,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:12:10,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:10,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:12:10,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:10,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 16:12:10,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:10,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 16:12:10,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:10,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:12:10,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:10,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:12:10,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:10,666 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-18 16:12:10,667 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:12:10,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151479757] [2021-12-18 16:12:10,667 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151479757] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 16:12:10,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1577225686] [2021-12-18 16:12:10,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:12:10,667 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 16:12:10,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 16:12:10,694 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 16:12:10,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-18 16:12:12,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:12,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 4948 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-18 16:12:12,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 16:12:12,416 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-18 16:12:12,416 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 16:12:12,556 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-18 16:12:12,557 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1577225686] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 16:12:12,557 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-18 16:12:12,557 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2021-12-18 16:12:12,557 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631097814] [2021-12-18 16:12:12,557 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-18 16:12:12,558 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 16:12:12,558 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:12:12,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 16:12:12,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-12-18 16:12:12,559 INFO L87 Difference]: Start difference. First operand 4909 states and 7228 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-18 16:12:12,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:12:12,816 INFO L93 Difference]: Finished difference Result 9816 states and 14455 transitions. [2021-12-18 16:12:12,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 16:12:12,817 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 41 [2021-12-18 16:12:12,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:12:12,843 INFO L225 Difference]: With dead ends: 9816 [2021-12-18 16:12:12,844 INFO L226 Difference]: Without dead ends: 4915 [2021-12-18 16:12:12,866 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-12-18 16:12:12,867 INFO L933 BasicCegarLoop]: 7225 mSDtfsCounter, 4 mSDsluCounter, 14446 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 21671 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-18 16:12:12,867 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 21671 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 16:12:12,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4915 states. [2021-12-18 16:12:12,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4915 to 4915. [2021-12-18 16:12:12,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4915 states, 3271 states have (on average 1.3622745337817181) internal successors, (4456), 3477 states have internal predecessors, (4456), 1390 states have call successors, (1390), 218 states have call predecessors, (1390), 217 states have return successors, (1388), 1315 states have call predecessors, (1388), 1388 states have call successors, (1388) [2021-12-18 16:12:13,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4915 states to 4915 states and 7234 transitions. [2021-12-18 16:12:13,027 INFO L78 Accepts]: Start accepts. Automaton has 4915 states and 7234 transitions. Word has length 41 [2021-12-18 16:12:13,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:12:13,027 INFO L470 AbstractCegarLoop]: Abstraction has 4915 states and 7234 transitions. [2021-12-18 16:12:13,028 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-18 16:12:13,028 INFO L276 IsEmpty]: Start isEmpty. Operand 4915 states and 7234 transitions. [2021-12-18 16:12:13,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-12-18 16:12:13,029 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:12:13,029 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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] [2021-12-18 16:12:13,059 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-18 16:12:13,252 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 16:12:13,253 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_fs_char_dev__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 35 more)] === [2021-12-18 16:12:13,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:12:13,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1780835754, now seen corresponding path program 2 times [2021-12-18 16:12:13,253 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:12:13,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283275378] [2021-12-18 16:12:13,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:12:13,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:12:13,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:13,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:12:13,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:13,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 16:12:13,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:13,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 16:12:13,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:13,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:12:13,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:13,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:12:13,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:13,684 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-12-18 16:12:13,685 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:12:13,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283275378] [2021-12-18 16:12:13,685 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283275378] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:12:13,685 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:12:13,685 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 16:12:13,685 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645412934] [2021-12-18 16:12:13,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:12:13,686 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 16:12:13,686 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:12:13,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 16:12:13,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 16:12:13,687 INFO L87 Difference]: Start difference. First operand 4915 states and 7234 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-18 16:12:13,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:12:13,999 INFO L93 Difference]: Finished difference Result 9676 states and 14249 transitions. [2021-12-18 16:12:14,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 16:12:14,000 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 47 [2021-12-18 16:12:14,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:12:14,050 INFO L225 Difference]: With dead ends: 9676 [2021-12-18 16:12:14,050 INFO L226 Difference]: Without dead ends: 9674 [2021-12-18 16:12:14,059 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-18 16:12:14,061 INFO L933 BasicCegarLoop]: 8756 mSDtfsCounter, 7208 mSDsluCounter, 24524 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7209 SdHoareTripleChecker+Valid, 33280 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-18 16:12:14,062 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7209 Valid, 33280 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 16:12:14,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9674 states. [2021-12-18 16:12:14,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9674 to 9591. [2021-12-18 16:12:14,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9591 states, 6402 states have (on average 1.3670727897532022) internal successors, (8752), 6777 states have internal predecessors, (8752), 2723 states have call successors, (2723), 432 states have call predecessors, (2723), 430 states have return successors, (2721), 2569 states have call predecessors, (2721), 2721 states have call successors, (2721) [2021-12-18 16:12:14,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9591 states to 9591 states and 14196 transitions. [2021-12-18 16:12:14,428 INFO L78 Accepts]: Start accepts. Automaton has 9591 states and 14196 transitions. Word has length 47 [2021-12-18 16:12:14,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:12:14,428 INFO L470 AbstractCegarLoop]: Abstraction has 9591 states and 14196 transitions. [2021-12-18 16:12:14,429 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-18 16:12:14,429 INFO L276 IsEmpty]: Start isEmpty. Operand 9591 states and 14196 transitions. [2021-12-18 16:12:14,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-12-18 16:12:14,431 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:12:14,432 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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] [2021-12-18 16:12:14,432 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 16:12:14,432 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 35 more)] === [2021-12-18 16:12:14,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:12:14,433 INFO L85 PathProgramCache]: Analyzing trace with hash -309007750, now seen corresponding path program 1 times [2021-12-18 16:12:14,433 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:12:14,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526486864] [2021-12-18 16:12:14,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:12:14,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:12:14,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:14,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:12:14,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:14,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 16:12:14,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:14,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 16:12:14,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:14,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:12:14,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:14,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:12:14,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:14,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-18 16:12:14,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:14,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:12:14,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:14,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:12:14,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:14,789 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-12-18 16:12:14,789 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:12:14,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526486864] [2021-12-18 16:12:14,789 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526486864] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:12:14,789 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:12:14,789 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 16:12:14,790 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694585160] [2021-12-18 16:12:14,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:12:14,791 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 16:12:14,791 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:12:14,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 16:12:14,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 16:12:14,791 INFO L87 Difference]: Start difference. First operand 9591 states and 14196 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-12-18 16:12:15,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:12:15,080 INFO L93 Difference]: Finished difference Result 9591 states and 14196 transitions. [2021-12-18 16:12:15,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 16:12:15,080 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 66 [2021-12-18 16:12:15,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:12:15,143 INFO L225 Difference]: With dead ends: 9591 [2021-12-18 16:12:15,143 INFO L226 Difference]: Without dead ends: 9589 [2021-12-18 16:12:15,152 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-18 16:12:15,154 INFO L933 BasicCegarLoop]: 7217 mSDtfsCounter, 7206 mSDsluCounter, 14431 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7207 SdHoareTripleChecker+Valid, 21648 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-18 16:12:15,154 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7207 Valid, 21648 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 16:12:15,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9589 states. [2021-12-18 16:12:15,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9589 to 9589. [2021-12-18 16:12:15,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9589 states, 6401 states have (on average 1.36681768473676) internal successors, (8749), 6775 states have internal predecessors, (8749), 2723 states have call successors, (2723), 432 states have call predecessors, (2723), 430 states have return successors, (2721), 2569 states have call predecessors, (2721), 2721 states have call successors, (2721) [2021-12-18 16:12:15,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9589 states to 9589 states and 14193 transitions. [2021-12-18 16:12:15,505 INFO L78 Accepts]: Start accepts. Automaton has 9589 states and 14193 transitions. Word has length 66 [2021-12-18 16:12:15,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:12:15,506 INFO L470 AbstractCegarLoop]: Abstraction has 9589 states and 14193 transitions. [2021-12-18 16:12:15,506 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-12-18 16:12:15,506 INFO L276 IsEmpty]: Start isEmpty. Operand 9589 states and 14193 transitions. [2021-12-18 16:12:15,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-12-18 16:12:15,513 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:12:15,513 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 2, 2, 2, 2, 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] [2021-12-18 16:12:15,514 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 16:12:15,514 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 35 more)] === [2021-12-18 16:12:15,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:12:15,514 INFO L85 PathProgramCache]: Analyzing trace with hash 424959658, now seen corresponding path program 1 times [2021-12-18 16:12:15,514 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:12:15,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516508265] [2021-12-18 16:12:15,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:12:15,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:12:15,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:15,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:12:15,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:15,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 16:12:15,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:15,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 16:12:15,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:15,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:12:15,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:15,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:12:15,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:15,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-18 16:12:15,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:15,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:12:15,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:15,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:12:15,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:15,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-18 16:12:15,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:15,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-18 16:12:15,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:15,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 16:12:15,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:15,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-18 16:12:15,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:15,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-18 16:12:15,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:15,910 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2021-12-18 16:12:15,911 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:12:15,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516508265] [2021-12-18 16:12:15,911 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516508265] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:12:15,911 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:12:15,911 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 16:12:15,911 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459661671] [2021-12-18 16:12:15,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:12:15,912 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 16:12:15,912 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:12:15,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 16:12:15,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 16:12:15,912 INFO L87 Difference]: Start difference. First operand 9589 states and 14193 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-18 16:12:17,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:12:17,069 INFO L93 Difference]: Finished difference Result 20548 states and 30548 transitions. [2021-12-18 16:12:17,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-18 16:12:17,070 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 112 [2021-12-18 16:12:17,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:12:17,114 INFO L225 Difference]: With dead ends: 20548 [2021-12-18 16:12:17,114 INFO L226 Difference]: Without dead ends: 11427 [2021-12-18 16:12:17,154 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 16:12:17,154 INFO L933 BasicCegarLoop]: 7546 mSDtfsCounter, 1581 mSDsluCounter, 14433 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 650 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1581 SdHoareTripleChecker+Valid, 21979 SdHoareTripleChecker+Invalid, 664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 650 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-18 16:12:17,155 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1581 Valid, 21979 Invalid, 664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [650 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-18 16:12:17,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11427 states. [2021-12-18 16:12:17,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11427 to 9593. [2021-12-18 16:12:17,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9593 states, 6405 states have (on average 1.3665886026541765) internal successors, (8753), 6779 states have internal predecessors, (8753), 2723 states have call successors, (2723), 432 states have call predecessors, (2723), 430 states have return successors, (2721), 2569 states have call predecessors, (2721), 2721 states have call successors, (2721) [2021-12-18 16:12:17,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9593 states to 9593 states and 14197 transitions. [2021-12-18 16:12:17,492 INFO L78 Accepts]: Start accepts. Automaton has 9593 states and 14197 transitions. Word has length 112 [2021-12-18 16:12:17,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:12:17,493 INFO L470 AbstractCegarLoop]: Abstraction has 9593 states and 14197 transitions. [2021-12-18 16:12:17,493 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-18 16:12:17,494 INFO L276 IsEmpty]: Start isEmpty. Operand 9593 states and 14197 transitions. [2021-12-18 16:12:17,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-12-18 16:12:17,497 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:12:17,498 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 2, 2, 2, 2, 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] [2021-12-18 16:12:17,498 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 16:12:17,498 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_drivers_base_class__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 35 more)] === [2021-12-18 16:12:17,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:12:17,499 INFO L85 PathProgramCache]: Analyzing trace with hash -285887965, now seen corresponding path program 1 times [2021-12-18 16:12:17,499 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:12:17,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037293774] [2021-12-18 16:12:17,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:12:17,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:12:17,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:17,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:12:17,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:17,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 16:12:17,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:17,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 16:12:17,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:17,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:12:17,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:17,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:12:17,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:17,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-18 16:12:17,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:17,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:12:17,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:17,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:12:17,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:17,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-18 16:12:17,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:17,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-18 16:12:17,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:17,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 16:12:17,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:17,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 16:12:17,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:17,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:12:17,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:17,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-18 16:12:17,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:17,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 16:12:17,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:12:17,972 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2021-12-18 16:12:17,972 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:12:17,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037293774] [2021-12-18 16:12:17,972 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037293774] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:12:17,973 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:12:17,973 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 16:12:17,973 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419836546] [2021-12-18 16:12:17,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:12:17,974 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 16:12:17,974 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:12:17,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 16:12:17,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 16:12:17,975 INFO L87 Difference]: Start difference. First operand 9593 states and 14197 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-18 16:12:20,047 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:12:33,318 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-18 16:12:39,662 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:12:46,238 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-18 16:12:49,335 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:13:05,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:13:05,932 INFO L93 Difference]: Finished difference Result 20066 states and 30185 transitions. [2021-12-18 16:13:05,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 16:13:05,933 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (14), 3 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 112 [2021-12-18 16:13:05,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:13:06,081 INFO L225 Difference]: With dead ends: 20066 [2021-12-18 16:13:06,081 INFO L226 Difference]: Without dead ends: 20064 [2021-12-18 16:13:06,103 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-18 16:13:06,104 INFO L933 BasicCegarLoop]: 9269 mSDtfsCounter, 9149 mSDsluCounter, 23494 mSDsCounter, 0 mSdLazyCounter, 10484 mSolverCounterSat, 4079 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10450 SdHoareTripleChecker+Valid, 32763 SdHoareTripleChecker+Invalid, 14568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4079 IncrementalHoareTripleChecker+Valid, 10484 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.5s IncrementalHoareTripleChecker+Time [2021-12-18 16:13:06,105 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10450 Valid, 32763 Invalid, 14568 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4079 Valid, 10484 Invalid, 5 Unknown, 0 Unchecked, 46.5s Time] [2021-12-18 16:13:06,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20064 states. [2021-12-18 16:13:06,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20064 to 18512. [2021-12-18 16:13:06,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18512 states, 12376 states have (on average 1.369667097608274) internal successors, (16951), 13079 states have internal predecessors, (16951), 5285 states have call successors, (5285), 820 states have call predecessors, (5285), 817 states have return successors, (5291), 4979 states have call predecessors, (5291), 5283 states have call successors, (5291) [2021-12-18 16:13:07,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18512 states to 18512 states and 27527 transitions. [2021-12-18 16:13:07,043 INFO L78 Accepts]: Start accepts. Automaton has 18512 states and 27527 transitions. Word has length 112 [2021-12-18 16:13:07,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:13:07,044 INFO L470 AbstractCegarLoop]: Abstraction has 18512 states and 27527 transitions. [2021-12-18 16:13:07,044 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-18 16:13:07,044 INFO L276 IsEmpty]: Start isEmpty. Operand 18512 states and 27527 transitions. [2021-12-18 16:13:07,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-12-18 16:13:07,045 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:13:07,046 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 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] [2021-12-18 16:13:07,046 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-18 16:13:07,046 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 35 more)] === [2021-12-18 16:13:07,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:13:07,046 INFO L85 PathProgramCache]: Analyzing trace with hash -596425514, now seen corresponding path program 1 times [2021-12-18 16:13:07,046 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:13:07,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344889900] [2021-12-18 16:13:07,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:13:07,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:13:07,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:07,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:13:07,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:07,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 16:13:07,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:07,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 16:13:07,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:07,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:13:07,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:07,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:13:07,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:07,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-18 16:13:07,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:07,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:13:07,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:07,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:13:07,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:07,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-18 16:13:07,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:07,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-18 16:13:07,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:07,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 16:13:07,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:07,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 16:13:07,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:07,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:13:07,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:07,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-18 16:13:07,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:07,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 16:13:07,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:07,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 16:13:07,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:07,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-18 16:13:07,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:07,529 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2021-12-18 16:13:07,529 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:13:07,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344889900] [2021-12-18 16:13:07,530 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344889900] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:13:07,530 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:13:07,530 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 16:13:07,530 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508997356] [2021-12-18 16:13:07,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:13:07,531 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 16:13:07,531 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:13:07,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 16:13:07,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 16:13:07,531 INFO L87 Difference]: Start difference. First operand 18512 states and 27527 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-18 16:13:09,593 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:13:17,842 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-18 16:13:22,184 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:13:30,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:13:30,522 INFO L93 Difference]: Finished difference Result 19734 states and 29825 transitions. [2021-12-18 16:13:30,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 16:13:30,523 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (16), 3 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 125 [2021-12-18 16:13:30,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:13:30,595 INFO L225 Difference]: With dead ends: 19734 [2021-12-18 16:13:30,595 INFO L226 Difference]: Without dead ends: 19732 [2021-12-18 16:13:30,608 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-18 16:13:30,609 INFO L933 BasicCegarLoop]: 6824 mSDtfsCounter, 7839 mSDsluCounter, 13718 mSDsCounter, 0 mSdLazyCounter, 5306 mSolverCounterSat, 2958 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8696 SdHoareTripleChecker+Valid, 20542 SdHoareTripleChecker+Invalid, 8267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2958 IncrementalHoareTripleChecker+Valid, 5306 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.1s IncrementalHoareTripleChecker+Time [2021-12-18 16:13:30,609 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8696 Valid, 20542 Invalid, 8267 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2958 Valid, 5306 Invalid, 3 Unknown, 0 Unchecked, 22.1s Time] [2021-12-18 16:13:30,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19732 states. [2021-12-18 16:13:31,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19732 to 18510. [2021-12-18 16:13:31,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18510 states, 12375 states have (on average 1.3693737373737374) internal successors, (16946), 13077 states have internal predecessors, (16946), 5285 states have call successors, (5285), 820 states have call predecessors, (5285), 817 states have return successors, (5291), 4979 states have call predecessors, (5291), 5283 states have call successors, (5291) [2021-12-18 16:13:31,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18510 states to 18510 states and 27522 transitions. [2021-12-18 16:13:31,482 INFO L78 Accepts]: Start accepts. Automaton has 18510 states and 27522 transitions. Word has length 125 [2021-12-18 16:13:31,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:13:31,484 INFO L470 AbstractCegarLoop]: Abstraction has 18510 states and 27522 transitions. [2021-12-18 16:13:31,484 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-18 16:13:31,484 INFO L276 IsEmpty]: Start isEmpty. Operand 18510 states and 27522 transitions. [2021-12-18 16:13:31,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-12-18 16:13:31,486 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:13:31,486 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 4, 2, 2, 2, 2, 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] [2021-12-18 16:13:31,486 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-18 16:13:31,487 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 35 more)] === [2021-12-18 16:13:31,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:13:31,487 INFO L85 PathProgramCache]: Analyzing trace with hash -1929560061, now seen corresponding path program 1 times [2021-12-18 16:13:31,487 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:13:31,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816063874] [2021-12-18 16:13:31,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:13:31,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:13:31,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:31,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:13:31,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:31,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 16:13:31,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:31,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 16:13:31,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:31,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:13:31,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:31,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:13:31,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:31,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-18 16:13:31,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:31,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:13:31,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:31,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:13:31,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:31,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-18 16:13:31,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:31,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-18 16:13:31,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:31,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 16:13:31,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:31,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 16:13:31,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:31,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-18 16:13:31,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:31,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 16:13:31,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:31,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:13:31,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:31,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-18 16:13:31,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:31,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-18 16:13:31,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:13:31,931 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2021-12-18 16:13:31,931 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:13:31,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816063874] [2021-12-18 16:13:31,931 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816063874] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:13:31,931 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:13:31,931 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 16:13:31,931 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683805617] [2021-12-18 16:13:31,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:13:31,932 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 16:13:31,932 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:13:31,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 16:13:31,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 16:13:31,933 INFO L87 Difference]: Start difference. First operand 18510 states and 27522 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) [2021-12-18 16:13:33,989 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:13:36,014 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:13:42,621 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:13:44,963 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:13:51,125 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:13:53,702 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:13:56,352 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-18 16:14:03,580 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:14:05,619 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:14:08,367 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:14:12,385 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-18 16:14:31,626 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:14:33,746 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:14:36,277 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:14:39,376 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:14:41,409 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:14:43,885 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:14:57,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:14:57,219 INFO L93 Difference]: Finished difference Result 36344 states and 54508 transitions. [2021-12-18 16:14:57,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-18 16:14:57,220 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 128 [2021-12-18 16:14:57,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:14:57,366 INFO L225 Difference]: With dead ends: 36344 [2021-12-18 16:14:57,366 INFO L226 Difference]: Without dead ends: 36342 [2021-12-18 16:14:57,388 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-18 16:14:57,388 INFO L933 BasicCegarLoop]: 7252 mSDtfsCounter, 17403 mSDsluCounter, 8081 mSDsCounter, 0 mSdLazyCounter, 13636 mSolverCounterSat, 10925 mSolverCounterUnsat, 17 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 78.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17770 SdHoareTripleChecker+Valid, 15333 SdHoareTripleChecker+Invalid, 24578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 10925 IncrementalHoareTripleChecker+Valid, 13636 IncrementalHoareTripleChecker+Invalid, 17 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 83.3s IncrementalHoareTripleChecker+Time [2021-12-18 16:14:57,389 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17770 Valid, 15333 Invalid, 24578 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [10925 Valid, 13636 Invalid, 17 Unknown, 0 Unchecked, 83.3s Time] [2021-12-18 16:14:57,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36342 states. [2021-12-18 16:14:58,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36342 to 36018. [2021-12-18 16:14:58,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36018 states, 24120 states have (on average 1.3727611940298508) internal successors, (33111), 25466 states have internal predecessors, (33111), 10296 states have call successors, (10296), 1574 states have call predecessors, (10296), 1569 states have return successors, (10740), 9690 states have call predecessors, (10740), 10294 states have call successors, (10740) [2021-12-18 16:14:58,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36018 states to 36018 states and 54147 transitions. [2021-12-18 16:14:58,860 INFO L78 Accepts]: Start accepts. Automaton has 36018 states and 54147 transitions. Word has length 128 [2021-12-18 16:14:58,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:14:58,861 INFO L470 AbstractCegarLoop]: Abstraction has 36018 states and 54147 transitions. [2021-12-18 16:14:58,861 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) [2021-12-18 16:14:58,861 INFO L276 IsEmpty]: Start isEmpty. Operand 36018 states and 54147 transitions. [2021-12-18 16:14:58,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-12-18 16:14:58,868 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:14:58,868 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 4, 2, 2, 2, 2, 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] [2021-12-18 16:14:58,868 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-18 16:14:58,869 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 35 more)] === [2021-12-18 16:14:58,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:14:58,869 INFO L85 PathProgramCache]: Analyzing trace with hash -897372326, now seen corresponding path program 1 times [2021-12-18 16:14:58,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:14:58,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127789445] [2021-12-18 16:14:58,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:14:58,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:14:58,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:59,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:14:59,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:59,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 16:14:59,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:59,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 16:14:59,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:59,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:14:59,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:59,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:14:59,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:59,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-18 16:14:59,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:59,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:14:59,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:59,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:14:59,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:59,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-18 16:14:59,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:59,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-18 16:14:59,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:59,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 16:14:59,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:59,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 16:14:59,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:59,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-18 16:14:59,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:59,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 16:14:59,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:59,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:14:59,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:59,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-18 16:14:59,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:59,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-18 16:14:59,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:59,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 16:14:59,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:14:59,327 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2021-12-18 16:14:59,327 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:14:59,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127789445] [2021-12-18 16:14:59,328 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127789445] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:14:59,328 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:14:59,328 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 16:14:59,328 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189449606] [2021-12-18 16:14:59,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:14:59,329 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 16:14:59,329 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:14:59,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 16:14:59,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 16:14:59,330 INFO L87 Difference]: Start difference. First operand 36018 states and 54147 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) [2021-12-18 16:15:01,389 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:15:03,412 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:15:10,995 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:15:13,490 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:15:17,613 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-18 16:15:22,595 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:15:32,613 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:15:35,377 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:15:40,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:15:40,408 INFO L93 Difference]: Finished difference Result 36018 states and 54147 transitions. [2021-12-18 16:15:40,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 16:15:40,409 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 134 [2021-12-18 16:15:40,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:15:40,554 INFO L225 Difference]: With dead ends: 36018 [2021-12-18 16:15:40,555 INFO L226 Difference]: Without dead ends: 36016 [2021-12-18 16:15:40,581 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 16:15:40,583 INFO L933 BasicCegarLoop]: 6258 mSDtfsCounter, 11620 mSDsluCounter, 4971 mSDsCounter, 0 mSdLazyCounter, 6163 mSolverCounterSat, 6588 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12042 SdHoareTripleChecker+Valid, 11229 SdHoareTripleChecker+Invalid, 12759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6588 IncrementalHoareTripleChecker+Valid, 6163 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.7s IncrementalHoareTripleChecker+Time [2021-12-18 16:15:40,584 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12042 Valid, 11229 Invalid, 12759 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6588 Valid, 6163 Invalid, 8 Unknown, 0 Unchecked, 39.7s Time] [2021-12-18 16:15:40,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36016 states. [2021-12-18 16:15:41,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36016 to 36016. [2021-12-18 16:15:41,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36016 states, 24119 states have (on average 1.3726937269372694) internal successors, (33108), 25464 states have internal predecessors, (33108), 10296 states have call successors, (10296), 1574 states have call predecessors, (10296), 1569 states have return successors, (10740), 9690 states have call predecessors, (10740), 10294 states have call successors, (10740) [2021-12-18 16:15:42,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36016 states to 36016 states and 54144 transitions. [2021-12-18 16:15:42,094 INFO L78 Accepts]: Start accepts. Automaton has 36016 states and 54144 transitions. Word has length 134 [2021-12-18 16:15:42,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:15:42,094 INFO L470 AbstractCegarLoop]: Abstraction has 36016 states and 54144 transitions. [2021-12-18 16:15:42,094 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) [2021-12-18 16:15:42,095 INFO L276 IsEmpty]: Start isEmpty. Operand 36016 states and 54144 transitions. [2021-12-18 16:15:42,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-12-18 16:15:42,096 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:15:42,096 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 5, 5, 4, 4, 2, 2, 2, 2, 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] [2021-12-18 16:15:42,096 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-18 16:15:42,097 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 35 more)] === [2021-12-18 16:15:42,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:15:42,097 INFO L85 PathProgramCache]: Analyzing trace with hash -1602919888, now seen corresponding path program 1 times [2021-12-18 16:15:42,097 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:15:42,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440794816] [2021-12-18 16:15:42,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:15:42,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:15:42,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:42,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:15:42,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:42,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 16:15:42,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:42,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 16:15:42,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:42,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:15:42,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:42,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:15:42,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:42,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-18 16:15:42,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:42,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:15:42,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:42,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:15:42,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:42,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-18 16:15:42,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:42,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-18 16:15:42,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:42,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 16:15:42,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:42,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 16:15:42,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:42,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-18 16:15:42,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:42,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 16:15:42,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:42,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:15:42,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:42,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-18 16:15:42,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:42,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-18 16:15:42,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:42,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-18 16:15:42,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:15:42,842 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2021-12-18 16:15:42,843 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:15:42,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440794816] [2021-12-18 16:15:42,843 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440794816] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:15:42,843 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:15:42,843 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 16:15:42,843 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11543812] [2021-12-18 16:15:42,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:15:42,844 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 16:15:42,844 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:15:42,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 16:15:42,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 16:15:42,846 INFO L87 Difference]: Start difference. First operand 36016 states and 54144 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-18 16:15:44,907 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:15:46,938 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:15:57,328 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:15:59,346 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:16:02,240 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:16:04,260 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:16:11,885 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:16:13,920 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:16:18,484 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-18 16:16:20,628 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-18 16:16:26,172 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:16:28,174 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:16:35,725 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:16:37,767 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:16:52,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:16:52,341 INFO L93 Difference]: Finished difference Result 36143 states and 54252 transitions. [2021-12-18 16:16:52,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-18 16:16:52,342 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 137 [2021-12-18 16:16:52,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:16:52,483 INFO L225 Difference]: With dead ends: 36143 [2021-12-18 16:16:52,483 INFO L226 Difference]: Without dead ends: 36141 [2021-12-18 16:16:52,509 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2021-12-18 16:16:52,510 INFO L933 BasicCegarLoop]: 6265 mSDtfsCounter, 11629 mSDsluCounter, 7849 mSDsCounter, 0 mSdLazyCounter, 10543 mSolverCounterSat, 6584 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 63.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12045 SdHoareTripleChecker+Valid, 14114 SdHoareTripleChecker+Invalid, 17141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 6584 IncrementalHoareTripleChecker+Valid, 10543 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 67.7s IncrementalHoareTripleChecker+Time [2021-12-18 16:16:52,510 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12045 Valid, 14114 Invalid, 17141 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [6584 Valid, 10543 Invalid, 14 Unknown, 0 Unchecked, 67.7s Time] [2021-12-18 16:16:52,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36141 states. [2021-12-18 16:16:53,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36141 to 36139. [2021-12-18 16:16:53,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36139 states, 24209 states have (on average 1.3716386467842538) internal successors, (33206), 25554 states have internal predecessors, (33206), 10296 states have call successors, (10296), 1607 states have call predecessors, (10296), 1602 states have return successors, (10740), 9690 states have call predecessors, (10740), 10294 states have call successors, (10740) [2021-12-18 16:16:54,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36139 states to 36139 states and 54242 transitions. [2021-12-18 16:16:54,174 INFO L78 Accepts]: Start accepts. Automaton has 36139 states and 54242 transitions. Word has length 137 [2021-12-18 16:16:54,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:16:54,174 INFO L470 AbstractCegarLoop]: Abstraction has 36139 states and 54242 transitions. [2021-12-18 16:16:54,174 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-18 16:16:54,175 INFO L276 IsEmpty]: Start isEmpty. Operand 36139 states and 54242 transitions. [2021-12-18 16:16:54,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-12-18 16:16:54,177 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:16:54,177 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 4, 2, 2, 2, 2, 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] [2021-12-18 16:16:54,177 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-18 16:16:54,177 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 35 more)] === [2021-12-18 16:16:54,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:16:54,177 INFO L85 PathProgramCache]: Analyzing trace with hash -78054593, now seen corresponding path program 1 times [2021-12-18 16:16:54,178 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:16:54,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261709371] [2021-12-18 16:16:54,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:16:54,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:16:54,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:54,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:16:54,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:54,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 16:16:54,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:54,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 16:16:54,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:54,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:16:54,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:54,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:16:54,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:54,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-18 16:16:54,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:54,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:16:54,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:54,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:16:54,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:54,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-18 16:16:54,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:54,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-18 16:16:54,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:54,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 16:16:54,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:54,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 16:16:54,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:54,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-18 16:16:54,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:54,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 16:16:54,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:54,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:16:54,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:54,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-18 16:16:54,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:54,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-18 16:16:54,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:54,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 16:16:54,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:54,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 16:16:54,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:16:54,859 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2021-12-18 16:16:54,859 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:16:54,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261709371] [2021-12-18 16:16:54,859 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261709371] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:16:54,860 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:16:54,860 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 16:16:54,860 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067194129] [2021-12-18 16:16:54,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:16:54,860 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 16:16:54,860 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:16:54,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 16:16:54,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 16:16:54,861 INFO L87 Difference]: Start difference. First operand 36139 states and 54242 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) [2021-12-18 16:16:56,928 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:16:58,947 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:17:07,199 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:17:09,780 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:17:15,598 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:17:19,264 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-18 16:17:23,376 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:17:29,035 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:17:38,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:17:38,688 INFO L93 Difference]: Finished difference Result 36139 states and 54242 transitions. [2021-12-18 16:17:38,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 16:17:38,689 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 140 [2021-12-18 16:17:38,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:17:38,792 INFO L225 Difference]: With dead ends: 36139 [2021-12-18 16:17:38,792 INFO L226 Difference]: Without dead ends: 36137 [2021-12-18 16:17:38,807 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 16:17:38,813 INFO L933 BasicCegarLoop]: 6256 mSDtfsCounter, 11614 mSDsluCounter, 4971 mSDsCounter, 0 mSdLazyCounter, 6161 mSolverCounterSat, 6588 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12035 SdHoareTripleChecker+Valid, 11227 SdHoareTripleChecker+Invalid, 12757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6588 IncrementalHoareTripleChecker+Valid, 6161 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.1s IncrementalHoareTripleChecker+Time [2021-12-18 16:17:38,813 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12035 Valid, 11227 Invalid, 12757 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6588 Valid, 6161 Invalid, 8 Unknown, 0 Unchecked, 42.1s Time] [2021-12-18 16:17:38,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36137 states. [2021-12-18 16:17:40,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36137 to 36137. [2021-12-18 16:17:40,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36137 states, 24208 states have (on average 1.3715713813615333) internal successors, (33203), 25552 states have internal predecessors, (33203), 10296 states have call successors, (10296), 1607 states have call predecessors, (10296), 1602 states have return successors, (10740), 9690 states have call predecessors, (10740), 10294 states have call successors, (10740) [2021-12-18 16:17:40,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36137 states to 36137 states and 54239 transitions. [2021-12-18 16:17:40,392 INFO L78 Accepts]: Start accepts. Automaton has 36137 states and 54239 transitions. Word has length 140 [2021-12-18 16:17:40,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:17:40,395 INFO L470 AbstractCegarLoop]: Abstraction has 36137 states and 54239 transitions. [2021-12-18 16:17:40,395 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) [2021-12-18 16:17:40,395 INFO L276 IsEmpty]: Start isEmpty. Operand 36137 states and 54239 transitions. [2021-12-18 16:17:40,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-12-18 16:17:40,412 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:17:40,412 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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] [2021-12-18 16:17:40,412 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-18 16:17:40,412 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 35 more)] === [2021-12-18 16:17:40,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:17:40,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1428302310, now seen corresponding path program 1 times [2021-12-18 16:17:40,413 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:17:40,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307643792] [2021-12-18 16:17:40,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:17:40,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:17:40,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:40,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:17:40,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:40,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 16:17:40,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:40,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 16:17:40,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:41,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:17:41,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:41,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:17:41,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:41,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-18 16:17:41,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:41,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:17:41,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:41,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:17:41,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:41,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-18 16:17:41,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:41,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-18 16:17:41,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:41,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 16:17:41,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:41,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-18 16:17:41,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:41,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:17:41,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:41,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:17:41,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:41,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:17:41,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:41,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-18 16:17:41,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:41,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:17:41,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:41,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:17:41,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:41,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:17:41,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:41,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-18 16:17:41,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:41,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:17:41,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:41,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:17:41,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:41,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 16:17:41,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:41,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-18 16:17:41,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:41,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-12-18 16:17:41,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:41,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-18 16:17:41,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:17:41,185 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2021-12-18 16:17:41,185 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:17:41,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307643792] [2021-12-18 16:17:41,185 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307643792] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:17:41,185 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:17:41,185 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 16:17:41,186 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285462143] [2021-12-18 16:17:41,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:17:41,187 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 16:17:41,187 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:17:41,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 16:17:41,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 16:17:41,187 INFO L87 Difference]: Start difference. First operand 36137 states and 54239 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, (21), 4 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-18 16:17:43,247 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:17:54,338 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:17:58,149 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-18 16:18:00,282 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-18 16:18:11,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:18:11,564 INFO L93 Difference]: Finished difference Result 38721 states and 59347 transitions. [2021-12-18 16:18:11,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 16:18:11,564 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, (21), 4 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 170 [2021-12-18 16:18:11,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:18:11,697 INFO L225 Difference]: With dead ends: 38721 [2021-12-18 16:18:11,697 INFO L226 Difference]: Without dead ends: 38719 [2021-12-18 16:18:11,713 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-18 16:18:11,714 INFO L933 BasicCegarLoop]: 6828 mSDtfsCounter, 7810 mSDsluCounter, 13746 mSDsCounter, 0 mSdLazyCounter, 5329 mSolverCounterSat, 2940 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8660 SdHoareTripleChecker+Valid, 20574 SdHoareTripleChecker+Invalid, 8273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2940 IncrementalHoareTripleChecker+Valid, 5329 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.6s IncrementalHoareTripleChecker+Time [2021-12-18 16:18:11,714 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8660 Valid, 20574 Invalid, 8273 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2940 Valid, 5329 Invalid, 4 Unknown, 0 Unchecked, 28.6s Time] [2021-12-18 16:18:11,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38719 states. [2021-12-18 16:18:13,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38719 to 36525. [2021-12-18 16:18:13,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36525 states, 24436 states have (on average 1.3703961368472746) internal successors, (33487), 25816 states have internal predecessors, (33487), 10404 states have call successors, (10404), 1647 states have call predecessors, (10404), 1654 states have return successors, (10896), 9786 states have call predecessors, (10896), 10402 states have call successors, (10896) [2021-12-18 16:18:13,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36525 states to 36525 states and 54787 transitions. [2021-12-18 16:18:13,366 INFO L78 Accepts]: Start accepts. Automaton has 36525 states and 54787 transitions. Word has length 170 [2021-12-18 16:18:13,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:18:13,367 INFO L470 AbstractCegarLoop]: Abstraction has 36525 states and 54787 transitions. [2021-12-18 16:18:13,367 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, (21), 4 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-18 16:18:13,367 INFO L276 IsEmpty]: Start isEmpty. Operand 36525 states and 54787 transitions. [2021-12-18 16:18:13,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-12-18 16:18:13,369 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:18:13,369 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 4, 2, 2, 2, 2, 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] [2021-12-18 16:18:13,369 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-18 16:18:13,370 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 35 more)] === [2021-12-18 16:18:13,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:18:13,370 INFO L85 PathProgramCache]: Analyzing trace with hash -1955464114, now seen corresponding path program 1 times [2021-12-18 16:18:13,370 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:18:13,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150474697] [2021-12-18 16:18:13,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:18:13,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:18:13,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:13,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:18:13,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:13,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 16:18:13,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:13,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 16:18:13,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:13,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:18:13,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:13,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:18:13,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:13,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-18 16:18:13,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:13,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:18:13,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:13,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:18:13,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:13,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-18 16:18:13,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:13,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-18 16:18:13,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:13,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 16:18:13,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:13,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 16:18:13,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:13,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-18 16:18:13,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:13,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 16:18:13,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:13,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:18:13,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:13,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-18 16:18:13,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:13,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-18 16:18:13,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:13,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 16:18:13,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:13,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 16:18:13,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:13,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-18 16:18:13,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:18:13,843 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2021-12-18 16:18:13,843 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:18:13,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150474697] [2021-12-18 16:18:13,843 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150474697] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:18:13,843 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:18:13,843 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 16:18:13,844 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155524302] [2021-12-18 16:18:13,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:18:13,844 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 16:18:13,844 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:18:13,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 16:18:13,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 16:18:13,845 INFO L87 Difference]: Start difference. First operand 36525 states and 54787 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 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) [2021-12-18 16:18:15,915 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:18:17,927 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:18:26,137 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:18:28,614 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:18:33,232 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:18:37,074 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-18 16:18:42,295 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:18:47,938 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:18:52,058 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:19:00,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:19:00,953 INFO L93 Difference]: Finished difference Result 36525 states and 54787 transitions. [2021-12-18 16:19:00,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 16:19:00,953 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 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 146 [2021-12-18 16:19:00,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:19:01,167 INFO L225 Difference]: With dead ends: 36525 [2021-12-18 16:19:01,167 INFO L226 Difference]: Without dead ends: 36523 [2021-12-18 16:19:01,185 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-18 16:19:01,187 INFO L933 BasicCegarLoop]: 6254 mSDtfsCounter, 11608 mSDsluCounter, 4971 mSDsCounter, 0 mSdLazyCounter, 6158 mSolverCounterSat, 6588 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12028 SdHoareTripleChecker+Valid, 11225 SdHoareTripleChecker+Invalid, 12755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6588 IncrementalHoareTripleChecker+Valid, 6158 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.5s IncrementalHoareTripleChecker+Time [2021-12-18 16:19:01,187 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12028 Valid, 11225 Invalid, 12755 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6588 Valid, 6158 Invalid, 9 Unknown, 0 Unchecked, 45.5s Time] [2021-12-18 16:19:01,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36523 states. [2021-12-18 16:19:02,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36523 to 36523. [2021-12-18 16:19:02,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36523 states, 24435 states have (on average 1.370329445467567) internal successors, (33484), 25814 states have internal predecessors, (33484), 10404 states have call successors, (10404), 1647 states have call predecessors, (10404), 1654 states have return successors, (10896), 9786 states have call predecessors, (10896), 10402 states have call successors, (10896) [2021-12-18 16:19:02,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36523 states to 36523 states and 54784 transitions. [2021-12-18 16:19:02,795 INFO L78 Accepts]: Start accepts. Automaton has 36523 states and 54784 transitions. Word has length 146 [2021-12-18 16:19:02,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:19:02,797 INFO L470 AbstractCegarLoop]: Abstraction has 36523 states and 54784 transitions. [2021-12-18 16:19:02,797 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 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) [2021-12-18 16:19:02,797 INFO L276 IsEmpty]: Start isEmpty. Operand 36523 states and 54784 transitions. [2021-12-18 16:19:02,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-12-18 16:19:02,799 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:19:02,799 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 16:19:02,799 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-18 16:19:02,799 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 35 more)] === [2021-12-18 16:19:02,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:19:02,799 INFO L85 PathProgramCache]: Analyzing trace with hash -400923467, now seen corresponding path program 1 times [2021-12-18 16:19:02,800 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:19:02,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34358121] [2021-12-18 16:19:02,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:19:02,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:19:02,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:03,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:19:03,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:03,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 16:19:03,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:03,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 16:19:03,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:03,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:19:03,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:03,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:19:03,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:03,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-18 16:19:03,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:03,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:19:03,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:03,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:19:03,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:03,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-18 16:19:03,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:03,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-18 16:19:03,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:03,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 16:19:03,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:03,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 16:19:03,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:03,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-18 16:19:03,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:03,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 16:19:03,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:03,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:19:03,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:03,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-18 16:19:03,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:03,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-18 16:19:03,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:03,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 16:19:03,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:03,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 16:19:03,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:03,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-18 16:19:03,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:03,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-18 16:19:03,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:19:03,369 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2021-12-18 16:19:03,369 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:19:03,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34358121] [2021-12-18 16:19:03,369 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34358121] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 16:19:03,370 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 16:19:03,370 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 16:19:03,370 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535768425] [2021-12-18 16:19:03,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 16:19:03,371 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 16:19:03,371 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:19:03,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 16:19:03,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 16:19:03,372 INFO L87 Difference]: Start difference. First operand 36523 states and 54784 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 4 states have internal predecessors, (75), 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) [2021-12-18 16:19:05,431 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:19:07,467 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:19:19,791 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:19:21,833 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:19:24,692 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:19:26,719 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:19:31,868 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:19:36,997 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:19:39,242 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:19:44,822 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-18 16:19:51,655 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:19:56,220 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-18 16:20:02,656 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:20:05,448 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:20:21,112 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:20:26,991 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:20:30,446 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:20:40,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:20:40,024 INFO L93 Difference]: Finished difference Result 36865 states and 55154 transitions. [2021-12-18 16:20:40,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-18 16:20:40,025 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 4 states have internal predecessors, (75), 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 152 [2021-12-18 16:20:40,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:20:40,150 INFO L225 Difference]: With dead ends: 36865 [2021-12-18 16:20:40,151 INFO L226 Difference]: Without dead ends: 36863 [2021-12-18 16:20:40,167 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-18 16:20:40,168 INFO L933 BasicCegarLoop]: 8171 mSDtfsCounter, 16238 mSDsluCounter, 8666 mSDsCounter, 0 mSdLazyCounter, 14215 mSolverCounterSat, 10421 mSolverCounterUnsat, 17 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 87.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16654 SdHoareTripleChecker+Valid, 16837 SdHoareTripleChecker+Invalid, 24653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 10421 IncrementalHoareTripleChecker+Valid, 14215 IncrementalHoareTripleChecker+Invalid, 17 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 94.2s IncrementalHoareTripleChecker+Time [2021-12-18 16:20:40,168 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16654 Valid, 16837 Invalid, 24653 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [10421 Valid, 14215 Invalid, 17 Unknown, 0 Unchecked, 94.2s Time] [2021-12-18 16:20:40,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36863 states. [2021-12-18 16:20:41,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36863 to 36607. [2021-12-18 16:20:41,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36607 states, 24489 states have (on average 1.3695945118216342) internal successors, (33540), 25868 states have internal predecessors, (33540), 10422 states have call successors, (10422), 1659 states have call predecessors, (10422), 1666 states have return successors, (10914), 9804 states have call predecessors, (10914), 10420 states have call successors, (10914) [2021-12-18 16:20:41,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36607 states to 36607 states and 54876 transitions. [2021-12-18 16:20:41,826 INFO L78 Accepts]: Start accepts. Automaton has 36607 states and 54876 transitions. Word has length 152 [2021-12-18 16:20:41,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:20:41,827 INFO L470 AbstractCegarLoop]: Abstraction has 36607 states and 54876 transitions. [2021-12-18 16:20:41,827 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 4 states have internal predecessors, (75), 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) [2021-12-18 16:20:41,827 INFO L276 IsEmpty]: Start isEmpty. Operand 36607 states and 54876 transitions. [2021-12-18 16:20:41,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2021-12-18 16:20:41,829 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:20:41,829 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 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] [2021-12-18 16:20:41,830 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-18 16:20:41,830 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_unregister_chrdev_100Err0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 35 more)] === [2021-12-18 16:20:41,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:20:41,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1109791902, now seen corresponding path program 1 times [2021-12-18 16:20:41,830 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:20:41,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303631284] [2021-12-18 16:20:41,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:20:41,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:20:41,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:42,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:20:42,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:42,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 16:20:42,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:42,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 16:20:42,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:42,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:20:42,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:42,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:20:42,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:42,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-18 16:20:42,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:42,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:20:42,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:42,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:20:42,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:42,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-18 16:20:42,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:42,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-18 16:20:42,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:42,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 16:20:42,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:42,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-12-18 16:20:42,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:42,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:20:42,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:42,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-18 16:20:42,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:42,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 16:20:42,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:42,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 16:20:42,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:42,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-18 16:20:42,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:42,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-18 16:20:42,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:42,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 16:20:42,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:42,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:20:42,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:42,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-18 16:20:42,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:42,327 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2021-12-18 16:20:42,328 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:20:42,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303631284] [2021-12-18 16:20:42,328 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303631284] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 16:20:42,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [178438661] [2021-12-18 16:20:42,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:20:42,328 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 16:20:42,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 16:20:42,348 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 16:20:42,349 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-18 16:20:44,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:20:44,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 5417 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-18 16:20:44,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 16:20:44,766 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 28 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-12-18 16:20:44,766 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 16:20:45,421 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2021-12-18 16:20:45,422 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [178438661] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 16:20:45,422 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-18 16:20:45,422 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 14 [2021-12-18 16:20:45,422 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228738251] [2021-12-18 16:20:45,422 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-18 16:20:45,422 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-18 16:20:45,422 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:20:45,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-18 16:20:45,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2021-12-18 16:20:45,423 INFO L87 Difference]: Start difference. First operand 36607 states and 54876 transitions. Second operand has 14 states, 14 states have (on average 8.285714285714286) internal successors, (116), 13 states have internal predecessors, (116), 2 states have call successors, (39), 3 states have call predecessors, (39), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2021-12-18 16:20:47,487 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:20:56,093 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:20:59,482 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-18 16:21:09,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:21:09,567 INFO L93 Difference]: Finished difference Result 75404 states and 114304 transitions. [2021-12-18 16:21:09,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-18 16:21:09,568 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 8.285714285714286) internal successors, (116), 13 states have internal predecessors, (116), 2 states have call successors, (39), 3 states have call predecessors, (39), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 153 [2021-12-18 16:21:09,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:21:09,704 INFO L225 Difference]: With dead ends: 75404 [2021-12-18 16:21:09,705 INFO L226 Difference]: Without dead ends: 38811 [2021-12-18 16:21:09,825 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2021-12-18 16:21:09,826 INFO L933 BasicCegarLoop]: 6851 mSDtfsCounter, 1941 mSDsluCounter, 8211 mSDsCounter, 0 mSdLazyCounter, 3480 mSolverCounterSat, 1532 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2386 SdHoareTripleChecker+Valid, 15062 SdHoareTripleChecker+Invalid, 5015 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1532 IncrementalHoareTripleChecker+Valid, 3480 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.1s IncrementalHoareTripleChecker+Time [2021-12-18 16:21:09,826 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2386 Valid, 15062 Invalid, 5015 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1532 Valid, 3480 Invalid, 3 Unknown, 0 Unchecked, 22.1s Time] [2021-12-18 16:21:09,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38811 states. [2021-12-18 16:21:11,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38811 to 36619. [2021-12-18 16:21:11,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36619 states, 24501 states have (on average 1.369413493326803) internal successors, (33552), 25880 states have internal predecessors, (33552), 10422 states have call successors, (10422), 1659 states have call predecessors, (10422), 1666 states have return successors, (10914), 9804 states have call predecessors, (10914), 10420 states have call successors, (10914) [2021-12-18 16:21:11,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36619 states to 36619 states and 54888 transitions. [2021-12-18 16:21:11,605 INFO L78 Accepts]: Start accepts. Automaton has 36619 states and 54888 transitions. Word has length 153 [2021-12-18 16:21:11,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:21:11,606 INFO L470 AbstractCegarLoop]: Abstraction has 36619 states and 54888 transitions. [2021-12-18 16:21:11,606 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.285714285714286) internal successors, (116), 13 states have internal predecessors, (116), 2 states have call successors, (39), 3 states have call predecessors, (39), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2021-12-18 16:21:11,606 INFO L276 IsEmpty]: Start isEmpty. Operand 36619 states and 54888 transitions. [2021-12-18 16:21:11,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-12-18 16:21:11,608 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:21:11,608 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 8, 8, 8, 4, 4, 2, 2, 2, 2, 2, 2, 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] [2021-12-18 16:21:11,637 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-18 16:21:11,823 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-12-18 16:21:11,823 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_unregister_chrdev_100Err0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 35 more)] === [2021-12-18 16:21:11,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:21:11,824 INFO L85 PathProgramCache]: Analyzing trace with hash -1677620922, now seen corresponding path program 2 times [2021-12-18 16:21:11,824 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:21:11,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285203927] [2021-12-18 16:21:11,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:21:11,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:21:11,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:12,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:21:12,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:12,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 16:21:12,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:12,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 16:21:12,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:12,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:21:12,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:12,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:21:12,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:12,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-18 16:21:12,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:12,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:21:12,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:12,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:21:12,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:12,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 16:21:12,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:12,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-18 16:21:12,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:12,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-18 16:21:12,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:12,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 16:21:12,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:12,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:21:12,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:12,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-18 16:21:12,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:12,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 16:21:12,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:12,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 16:21:12,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:12,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-18 16:21:12,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:12,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 16:21:12,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:12,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-18 16:21:12,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:12,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:21:12,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:12,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-18 16:21:12,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:21:12,633 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2021-12-18 16:21:12,633 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:21:12,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285203927] [2021-12-18 16:21:12,633 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285203927] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 16:21:12,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [866748712] [2021-12-18 16:21:12,633 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-18 16:21:12,633 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 16:21:12,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 16:21:12,634 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 16:21:12,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-18 16:21:58,638 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-18 16:21:58,638 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-18 16:21:58,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 5507 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-18 16:21:58,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 16:21:59,374 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 28 proven. 100 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-12-18 16:21:59,374 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 16:22:00,389 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2021-12-18 16:22:00,389 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [866748712] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 16:22:00,390 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-18 16:22:00,390 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 13] total 24 [2021-12-18 16:22:00,390 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895354780] [2021-12-18 16:22:00,390 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-18 16:22:00,391 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-12-18 16:22:00,391 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 16:22:00,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-12-18 16:22:00,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=255, Invalid=297, Unknown=0, NotChecked=0, Total=552 [2021-12-18 16:22:00,391 INFO L87 Difference]: Start difference. First operand 36619 states and 54888 transitions. Second operand has 24 states, 24 states have (on average 5.75) internal successors, (138), 23 states have internal predecessors, (138), 2 states have call successors, (39), 3 states have call predecessors, (39), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2021-12-18 16:22:02,485 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:22:18,851 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 16:22:23,476 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-18 16:22:25,627 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-18 16:22:27,770 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-18 16:22:46,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 16:22:46,170 INFO L93 Difference]: Finished difference Result 75424 states and 114328 transitions. [2021-12-18 16:22:46,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-12-18 16:22:46,170 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 5.75) internal successors, (138), 23 states have internal predecessors, (138), 2 states have call successors, (39), 3 states have call predecessors, (39), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 165 [2021-12-18 16:22:46,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 16:22:46,348 INFO L225 Difference]: With dead ends: 75424 [2021-12-18 16:22:46,349 INFO L226 Difference]: Without dead ends: 38831 [2021-12-18 16:22:46,461 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 383 GetRequests, 361 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=255, Invalid=297, Unknown=0, NotChecked=0, Total=552 [2021-12-18 16:22:46,466 INFO L933 BasicCegarLoop]: 6830 mSDtfsCounter, 1946 mSDsluCounter, 24801 mSDsCounter, 0 mSdLazyCounter, 8850 mSolverCounterSat, 1530 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2391 SdHoareTripleChecker+Valid, 31631 SdHoareTripleChecker+Invalid, 10385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1530 IncrementalHoareTripleChecker+Valid, 8850 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.5s IncrementalHoareTripleChecker+Time [2021-12-18 16:22:46,466 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2391 Valid, 31631 Invalid, 10385 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1530 Valid, 8850 Invalid, 5 Unknown, 0 Unchecked, 43.5s Time] [2021-12-18 16:22:46,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38831 states. [2021-12-18 16:22:48,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38831 to 36639. [2021-12-18 16:22:48,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36639 states, 24521 states have (on average 1.3691121895518128) internal successors, (33572), 25900 states have internal predecessors, (33572), 10422 states have call successors, (10422), 1659 states have call predecessors, (10422), 1666 states have return successors, (10914), 9804 states have call predecessors, (10914), 10420 states have call successors, (10914) [2021-12-18 16:22:48,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36639 states to 36639 states and 54908 transitions. [2021-12-18 16:22:48,196 INFO L78 Accepts]: Start accepts. Automaton has 36639 states and 54908 transitions. Word has length 165 [2021-12-18 16:22:48,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 16:22:48,196 INFO L470 AbstractCegarLoop]: Abstraction has 36639 states and 54908 transitions. [2021-12-18 16:22:48,196 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 5.75) internal successors, (138), 23 states have internal predecessors, (138), 2 states have call successors, (39), 3 states have call predecessors, (39), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2021-12-18 16:22:48,196 INFO L276 IsEmpty]: Start isEmpty. Operand 36639 states and 54908 transitions. [2021-12-18 16:22:48,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-12-18 16:22:48,198 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 16:22:48,198 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 8, 8, 8, 4, 4, 2, 2, 2, 2, 2, 2, 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] [2021-12-18 16:22:48,227 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-18 16:22:48,411 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 16:22:48,412 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_unregister_chrdev_100Err0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 35 more)] === [2021-12-18 16:22:48,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 16:22:48,412 INFO L85 PathProgramCache]: Analyzing trace with hash 781239902, now seen corresponding path program 3 times [2021-12-18 16:22:48,412 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 16:22:48,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929969592] [2021-12-18 16:22:48,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 16:22:48,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 16:22:48,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:49,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 16:22:49,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:49,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 16:22:49,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:49,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 16:22:49,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:49,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:22:49,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:49,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:22:49,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:49,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 16:22:49,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:49,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:22:49,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:49,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 16:22:49,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:49,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 16:22:49,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:49,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-18 16:22:49,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:49,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-18 16:22:49,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:49,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-18 16:22:49,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:49,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:22:49,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:49,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-18 16:22:49,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:49,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 16:22:49,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:49,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-18 16:22:49,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:49,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-18 16:22:49,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:49,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-18 16:22:49,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:49,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 16:22:49,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:49,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 16:22:49,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:49,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-18 16:22:49,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 16:22:49,714 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 3 proven. 21 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2021-12-18 16:22:49,714 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 16:22:49,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929969592] [2021-12-18 16:22:49,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929969592] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 16:22:49,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [767587572] [2021-12-18 16:22:49,714 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-18 16:22:49,715 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 16:22:49,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 16:22:49,716 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 16:22:49,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process Killed by 15