./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--net--ppp--ppp_generic.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 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--net--ppp--ppp_generic.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 e8c1c69a9209f2e1e672b4301b3aeef542d8617026686dc57b4ac44c2de1cbfb --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 04:21:27,384 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 04:21:27,386 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 04:21:27,413 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 04:21:27,413 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 04:21:27,414 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 04:21:27,416 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 04:21:27,417 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 04:21:27,419 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 04:21:27,420 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 04:21:27,420 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 04:21:27,421 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 04:21:27,422 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 04:21:27,423 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 04:21:27,424 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 04:21:27,425 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 04:21:27,425 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 04:21:27,426 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 04:21:27,428 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 04:21:27,430 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 04:21:27,431 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 04:21:27,432 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 04:21:27,433 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 04:21:27,434 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 04:21:27,435 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 04:21:27,437 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 04:21:27,438 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 04:21:27,438 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 04:21:27,439 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 04:21:27,440 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 04:21:27,440 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 04:21:27,441 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 04:21:27,442 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 04:21:27,442 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 04:21:27,443 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 04:21:27,444 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 04:21:27,444 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 04:21:27,445 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 04:21:27,445 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 04:21:27,446 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 04:21:27,447 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 04:21:27,447 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 04:21:27,448 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 04:21:27,469 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 04:21:27,470 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 04:21:27,470 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 04:21:27,470 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 04:21:27,471 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 04:21:27,471 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 04:21:27,472 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 04:21:27,472 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 04:21:27,472 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 04:21:27,472 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 04:21:27,473 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 04:21:27,473 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 04:21:27,474 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 04:21:27,474 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 04:21:27,474 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 04:21:27,474 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 04:21:27,474 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 04:21:27,475 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 04:21:27,475 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 04:21:27,475 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 04:21:27,475 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 04:21:27,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 04:21:27,476 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 04:21:27,476 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 04:21:27,476 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 04:21:27,477 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 04:21:27,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 04:21:27,477 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 04:21:27,477 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 04:21:27,477 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 04:21:27,478 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8c1c69a9209f2e1e672b4301b3aeef542d8617026686dc57b4ac44c2de1cbfb [2022-07-23 04:21:27,727 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 04:21:27,749 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 04:21:27,751 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 04:21:27,752 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 04:21:27,752 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 04:21:27,753 INFO L432 ainManager$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--net--ppp--ppp_generic.ko.cil.i [2022-07-23 04:21:27,823 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7976cf8c0/dca6c5893a334eab966ac2ad17f2dbac/FLAG79261135e [2022-07-23 04:21:28,751 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 04:21:28,752 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i [2022-07-23 04:21:28,816 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7976cf8c0/dca6c5893a334eab966ac2ad17f2dbac/FLAG79261135e [2022-07-23 04:21:28,853 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7976cf8c0/dca6c5893a334eab966ac2ad17f2dbac [2022-07-23 04:21:28,856 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 04:21:28,858 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 04:21:28,859 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 04:21:28,859 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 04:21:28,862 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 04:21:28,862 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 04:21:28" (1/1) ... [2022-07-23 04:21:28,864 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23bdb072 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:21:28, skipping insertion in model container [2022-07-23 04:21:28,864 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 04:21:28" (1/1) ... [2022-07-23 04:21:28,871 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 04:21:29,033 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 04:21:34,943 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[489935,489948] [2022-07-23 04:21:34,946 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490080,490093] [2022-07-23 04:21:34,953 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490226,490239] [2022-07-23 04:21:34,954 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490391,490404] [2022-07-23 04:21:34,961 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490549,490562] [2022-07-23 04:21:34,962 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490707,490720] [2022-07-23 04:21:34,963 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490865,490878] [2022-07-23 04:21:34,963 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491025,491038] [2022-07-23 04:21:34,964 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491184,491197] [2022-07-23 04:21:34,964 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491323,491336] [2022-07-23 04:21:34,966 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491465,491478] [2022-07-23 04:21:34,967 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491614,491627] [2022-07-23 04:21:34,967 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491753,491766] [2022-07-23 04:21:34,968 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491908,491921] [2022-07-23 04:21:34,968 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492068,492081] [2022-07-23 04:21:34,969 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492219,492232] [2022-07-23 04:21:34,970 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492370,492383] [2022-07-23 04:21:34,970 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492522,492535] [2022-07-23 04:21:34,971 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492671,492684] [2022-07-23 04:21:34,972 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492819,492832] [2022-07-23 04:21:34,972 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492976,492989] [2022-07-23 04:21:34,973 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493125,493138] [2022-07-23 04:21:34,973 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493281,493294] [2022-07-23 04:21:34,974 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493434,493447] [2022-07-23 04:21:34,977 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493580,493593] [2022-07-23 04:21:34,978 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493723,493736] [2022-07-23 04:21:34,978 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493875,493888] [2022-07-23 04:21:34,978 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494021,494034] [2022-07-23 04:21:34,979 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494166,494179] [2022-07-23 04:21:34,980 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494320,494333] [2022-07-23 04:21:34,982 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494471,494484] [2022-07-23 04:21:35,002 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494626,494639] [2022-07-23 04:21:35,004 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494778,494791] [2022-07-23 04:21:35,004 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494933,494946] [2022-07-23 04:21:35,005 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495097,495110] [2022-07-23 04:21:35,006 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495253,495266] [2022-07-23 04:21:35,006 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495417,495430] [2022-07-23 04:21:35,006 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495559,495572] [2022-07-23 04:21:35,007 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495717,495730] [2022-07-23 04:21:35,007 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495884,495897] [2022-07-23 04:21:35,008 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496043,496056] [2022-07-23 04:21:35,008 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496202,496215] [2022-07-23 04:21:35,008 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496351,496364] [2022-07-23 04:21:35,009 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496498,496511] [2022-07-23 04:21:35,009 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496637,496650] [2022-07-23 04:21:35,009 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496800,496813] [2022-07-23 04:21:35,010 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496966,496979] [2022-07-23 04:21:35,011 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497130,497143] [2022-07-23 04:21:35,012 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497295,497308] [2022-07-23 04:21:35,013 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497460,497473] [2022-07-23 04:21:35,013 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497626,497639] [2022-07-23 04:21:35,013 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497791,497804] [2022-07-23 04:21:35,014 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497958,497971] [2022-07-23 04:21:35,014 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498118,498131] [2022-07-23 04:21:35,014 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498280,498293] [2022-07-23 04:21:35,015 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498439,498452] [2022-07-23 04:21:35,016 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498585,498598] [2022-07-23 04:21:35,016 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498728,498741] [2022-07-23 04:21:35,016 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498872,498885] [2022-07-23 04:21:35,017 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499015,499028] [2022-07-23 04:21:35,017 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499159,499172] [2022-07-23 04:21:35,018 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499300,499313] [2022-07-23 04:21:35,019 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499438,499451] [2022-07-23 04:21:35,019 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499596,499609] [2022-07-23 04:21:35,020 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499755,499768] [2022-07-23 04:21:35,020 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499911,499924] [2022-07-23 04:21:35,021 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500060,500073] [2022-07-23 04:21:35,021 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500212,500225] [2022-07-23 04:21:35,021 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500363,500376] [2022-07-23 04:21:35,022 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500512,500525] [2022-07-23 04:21:35,022 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500664,500677] [2022-07-23 04:21:35,023 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500812,500825] [2022-07-23 04:21:35,023 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500965,500978] [2022-07-23 04:21:35,023 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501116,501129] [2022-07-23 04:21:35,024 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501266,501279] [2022-07-23 04:21:35,024 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501413,501426] [2022-07-23 04:21:35,024 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501564,501577] [2022-07-23 04:21:35,025 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501715,501728] [2022-07-23 04:21:35,026 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501863,501876] [2022-07-23 04:21:35,027 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502029,502042] [2022-07-23 04:21:35,027 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502198,502211] [2022-07-23 04:21:35,028 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502365,502378] [2022-07-23 04:21:35,028 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502533,502546] [2022-07-23 04:21:35,028 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502683,502696] [2022-07-23 04:21:35,029 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502830,502843] [2022-07-23 04:21:35,029 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502991,503004] [2022-07-23 04:21:35,029 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[503161,503174] [2022-07-23 04:21:35,030 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[503323,503336] [2022-07-23 04:21:35,057 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 04:21:35,119 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 04:21:35,475 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--net--ppp--ppp_generic.ko.cil.i[489935,489948] [2022-07-23 04:21:35,475 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--net--ppp--ppp_generic.ko.cil.i[490080,490093] [2022-07-23 04:21:35,476 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--net--ppp--ppp_generic.ko.cil.i[490226,490239] [2022-07-23 04:21:35,476 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--net--ppp--ppp_generic.ko.cil.i[490391,490404] [2022-07-23 04:21:35,476 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--net--ppp--ppp_generic.ko.cil.i[490549,490562] [2022-07-23 04:21:35,477 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--net--ppp--ppp_generic.ko.cil.i[490707,490720] [2022-07-23 04:21:35,477 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--net--ppp--ppp_generic.ko.cil.i[490865,490878] [2022-07-23 04:21:35,478 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--net--ppp--ppp_generic.ko.cil.i[491025,491038] [2022-07-23 04:21:35,478 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--net--ppp--ppp_generic.ko.cil.i[491184,491197] [2022-07-23 04:21:35,478 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--net--ppp--ppp_generic.ko.cil.i[491323,491336] [2022-07-23 04:21:35,479 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491465,491478] [2022-07-23 04:21:35,479 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491614,491627] [2022-07-23 04:21:35,479 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491753,491766] [2022-07-23 04:21:35,480 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491908,491921] [2022-07-23 04:21:35,480 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492068,492081] [2022-07-23 04:21:35,480 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492219,492232] [2022-07-23 04:21:35,481 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492370,492383] [2022-07-23 04:21:35,481 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492522,492535] [2022-07-23 04:21:35,481 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492671,492684] [2022-07-23 04:21:35,482 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492819,492832] [2022-07-23 04:21:35,482 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492976,492989] [2022-07-23 04:21:35,482 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493125,493138] [2022-07-23 04:21:35,483 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493281,493294] [2022-07-23 04:21:35,483 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493434,493447] [2022-07-23 04:21:35,483 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493580,493593] [2022-07-23 04:21:35,484 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493723,493736] [2022-07-23 04:21:35,484 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493875,493888] [2022-07-23 04:21:35,484 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494021,494034] [2022-07-23 04:21:35,485 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494166,494179] [2022-07-23 04:21:35,485 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494320,494333] [2022-07-23 04:21:35,485 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494471,494484] [2022-07-23 04:21:35,486 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494626,494639] [2022-07-23 04:21:35,486 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494778,494791] [2022-07-23 04:21:35,486 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494933,494946] [2022-07-23 04:21:35,487 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495097,495110] [2022-07-23 04:21:35,487 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495253,495266] [2022-07-23 04:21:35,487 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495417,495430] [2022-07-23 04:21:35,488 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495559,495572] [2022-07-23 04:21:35,488 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495717,495730] [2022-07-23 04:21:35,489 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495884,495897] [2022-07-23 04:21:35,489 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496043,496056] [2022-07-23 04:21:35,489 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496202,496215] [2022-07-23 04:21:35,490 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496351,496364] [2022-07-23 04:21:35,490 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496498,496511] [2022-07-23 04:21:35,490 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496637,496650] [2022-07-23 04:21:35,491 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496800,496813] [2022-07-23 04:21:35,491 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496966,496979] [2022-07-23 04:21:35,491 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497130,497143] [2022-07-23 04:21:35,492 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497295,497308] [2022-07-23 04:21:35,492 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497460,497473] [2022-07-23 04:21:35,492 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497626,497639] [2022-07-23 04:21:35,493 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497791,497804] [2022-07-23 04:21:35,493 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497958,497971] [2022-07-23 04:21:35,493 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498118,498131] [2022-07-23 04:21:35,493 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498280,498293] [2022-07-23 04:21:35,494 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498439,498452] [2022-07-23 04:21:35,494 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498585,498598] [2022-07-23 04:21:35,494 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498728,498741] [2022-07-23 04:21:35,495 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498872,498885] [2022-07-23 04:21:35,495 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499015,499028] [2022-07-23 04:21:35,495 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499159,499172] [2022-07-23 04:21:35,496 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499300,499313] [2022-07-23 04:21:35,497 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499438,499451] [2022-07-23 04:21:35,497 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499596,499609] [2022-07-23 04:21:35,497 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499755,499768] [2022-07-23 04:21:35,498 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499911,499924] [2022-07-23 04:21:35,498 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500060,500073] [2022-07-23 04:21:35,498 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500212,500225] [2022-07-23 04:21:35,499 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500363,500376] [2022-07-23 04:21:35,499 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500512,500525] [2022-07-23 04:21:35,499 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500664,500677] [2022-07-23 04:21:35,500 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500812,500825] [2022-07-23 04:21:35,500 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500965,500978] [2022-07-23 04:21:35,500 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501116,501129] [2022-07-23 04:21:35,501 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501266,501279] [2022-07-23 04:21:35,501 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501413,501426] [2022-07-23 04:21:35,502 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501564,501577] [2022-07-23 04:21:35,502 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501715,501728] [2022-07-23 04:21:35,502 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501863,501876] [2022-07-23 04:21:35,503 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502029,502042] [2022-07-23 04:21:35,503 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502198,502211] [2022-07-23 04:21:35,503 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502365,502378] [2022-07-23 04:21:35,504 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502533,502546] [2022-07-23 04:21:35,504 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502683,502696] [2022-07-23 04:21:35,504 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502830,502843] [2022-07-23 04:21:35,505 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502991,503004] [2022-07-23 04:21:35,505 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[503161,503174] [2022-07-23 04:21:35,505 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[503323,503336] [2022-07-23 04:21:35,510 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 04:21:35,832 INFO L208 MainTranslator]: Completed translation [2022-07-23 04:21:35,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:21:35 WrapperNode [2022-07-23 04:21:35,833 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 04:21:35,834 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 04:21:35,834 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 04:21:35,834 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 04:21:35,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:21:35" (1/1) ... [2022-07-23 04:21:35,964 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:21:35" (1/1) ... [2022-07-23 04:21:36,207 INFO L137 Inliner]: procedures = 776, calls = 2915, calls flagged for inlining = 349, calls inlined = 276, statements flattened = 7326 [2022-07-23 04:21:36,208 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 04:21:36,209 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 04:21:36,209 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 04:21:36,209 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 04:21:36,218 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:21:35" (1/1) ... [2022-07-23 04:21:36,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:21:35" (1/1) ... [2022-07-23 04:21:36,257 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:21:35" (1/1) ... [2022-07-23 04:21:36,258 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:21:35" (1/1) ... [2022-07-23 04:21:36,425 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:21:35" (1/1) ... [2022-07-23 04:21:36,453 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:21:35" (1/1) ... [2022-07-23 04:21:36,504 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:21:35" (1/1) ... [2022-07-23 04:21:36,564 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 04:21:36,566 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 04:21:36,566 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 04:21:36,567 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 04:21:36,568 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:21:35" (1/1) ... [2022-07-23 04:21:36,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 04:21:36,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 04:21:36,617 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) [2022-07-23 04:21:36,640 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 [2022-07-23 04:21:36,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2022-07-23 04:21:36,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2022-07-23 04:21:36,658 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-07-23 04:21:36,658 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-07-23 04:21:36,658 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-07-23 04:21:36,658 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-07-23 04:21:36,658 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-07-23 04:21:36,659 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2022-07-23 04:21:36,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2022-07-23 04:21:36,660 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2022-07-23 04:21:36,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2022-07-23 04:21:36,660 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-23 04:21:36,660 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-23 04:21:36,660 INFO L130 BoogieDeclarations]: Found specification of procedure bpf_prog_destroy [2022-07-23 04:21:36,660 INFO L138 BoogieDeclarations]: Found implementation of procedure bpf_prog_destroy [2022-07-23 04:21:36,661 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2022-07-23 04:21:36,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2022-07-23 04:21:36,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-07-23 04:21:36,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-07-23 04:21:36,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-23 04:21:36,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-23 04:21:36,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__double_init [2022-07-23 04:21:36,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__double_init [2022-07-23 04:21:36,662 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2022-07-23 04:21:36,662 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2022-07-23 04:21:36,662 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-07-23 04:21:36,662 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-07-23 04:21:36,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-07-23 04:21:36,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-07-23 04:21:36,663 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-23 04:21:36,663 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-23 04:21:36,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-23 04:21:36,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-23 04:21:36,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-07-23 04:21:36,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-07-23 04:21:36,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-23 04:21:36,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-07-23 04:21:36,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-07-23 04:21:36,664 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-07-23 04:21:36,664 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-07-23 04:21:36,664 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_output_wakeup [2022-07-23 04:21:36,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_output_wakeup [2022-07-23 04:21:36,665 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-07-23 04:21:36,665 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-07-23 04:21:36,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-07-23 04:21:36,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-07-23 04:21:36,665 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2022-07-23 04:21:36,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2022-07-23 04:21:36,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 04:21:36,666 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-23 04:21:36,666 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-23 04:21:36,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 04:21:36,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__not_initialized [2022-07-23 04:21:36,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__not_initialized [2022-07-23 04:21:36,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_read_unlock [2022-07-23 04:21:36,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_read_unlock [2022-07-23 04:21:36,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-23 04:21:36,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-23 04:21:36,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 04:21:36,668 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-23 04:21:36,668 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-07-23 04:21:36,668 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-07-23 04:21:36,668 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-07-23 04:21:36,668 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-07-23 04:21:36,668 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-07-23 04:21:36,669 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-07-23 04:21:36,669 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-07-23 04:21:36,669 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-07-23 04:21:36,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-23 04:21:36,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-23 04:21:36,669 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ioctl [2022-07-23 04:21:36,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ioctl [2022-07-23 04:21:36,670 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2022-07-23 04:21:36,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2022-07-23 04:21:36,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_198 [2022-07-23 04:21:36,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_198 [2022-07-23 04:21:36,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 04:21:36,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 04:21:36,673 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-23 04:21:36,673 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-23 04:21:36,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 04:21:36,673 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-07-23 04:21:36,673 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-07-23 04:21:36,673 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2022-07-23 04:21:36,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2022-07-23 04:21:36,674 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2022-07-23 04:21:36,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2022-07-23 04:21:36,674 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-23 04:21:36,674 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-23 04:21:36,674 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2022-07-23 04:21:36,674 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2022-07-23 04:21:36,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 04:21:36,675 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 04:21:36,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-07-23 04:21:36,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-07-23 04:21:36,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-07-23 04:21:36,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-07-23 04:21:36,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 04:21:36,676 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-23 04:21:36,676 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-23 04:21:36,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-07-23 04:21:36,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-07-23 04:21:36,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_base_class__double_registration [2022-07-23 04:21:36,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_base_class__double_registration [2022-07-23 04:21:36,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 04:21:36,677 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_send_frame [2022-07-23 04:21:36,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_send_frame [2022-07-23 04:21:36,677 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_error [2022-07-23 04:21:36,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_error [2022-07-23 04:21:36,678 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2022-07-23 04:21:36,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2022-07-23 04:21:36,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_module_put [2022-07-23 04:21:36,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_module_put [2022-07-23 04:21:36,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_idr_alloc_p [2022-07-23 04:21:36,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_idr_alloc_p [2022-07-23 04:21:36,679 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-23 04:21:36,679 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-23 04:21:36,679 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2022-07-23 04:21:36,679 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2022-07-23 04:21:36,679 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2022-07-23 04:21:36,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2022-07-23 04:21:36,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-23 04:21:36,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-23 04:21:36,680 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_dev_init [2022-07-23 04:21:36,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_dev_init [2022-07-23 04:21:36,680 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-23 04:21:36,680 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-23 04:21:36,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-07-23 04:21:36,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-07-23 04:21:36,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-07-23 04:21:36,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-07-23 04:21:36,681 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2022-07-23 04:21:36,681 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2022-07-23 04:21:36,681 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2022-07-23 04:21:36,681 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2022-07-23 04:21:36,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-23 04:21:36,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-23 04:21:36,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 04:21:36,682 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-07-23 04:21:36,682 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-07-23 04:21:36,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 04:21:36,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 04:21:36,683 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2022-07-23 04:21:36,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2022-07-23 04:21:36,683 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-23 04:21:36,683 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-23 04:21:36,683 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-23 04:21:36,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-23 04:21:36,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_all_ppp_mutex_of_ppp_net [2022-07-23 04:21:36,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_all_ppp_mutex_of_ppp_net [2022-07-23 04:21:36,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2022-07-23 04:21:36,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2022-07-23 04:21:36,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2022-07-23 04:21:36,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2022-07-23 04:21:36,684 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2022-07-23 04:21:36,685 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2022-07-23 04:21:36,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-07-23 04:21:36,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-07-23 04:21:36,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 04:21:36,685 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 04:21:36,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_159 [2022-07-23 04:21:36,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_159 [2022-07-23 04:21:36,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 04:21:36,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 04:21:36,686 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2022-07-23 04:21:36,686 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2022-07-23 04:21:36,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-07-23 04:21:36,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-07-23 04:21:36,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-07-23 04:21:36,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-07-23 04:21:36,687 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-23 04:21:36,687 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-23 04:21:36,687 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2022-07-23 04:21:36,687 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2022-07-23 04:21:36,687 INFO L130 BoogieDeclarations]: Found specification of procedure bpf_prog_create [2022-07-23 04:21:36,687 INFO L138 BoogieDeclarations]: Found implementation of procedure bpf_prog_create [2022-07-23 04:21:36,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-23 04:21:36,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-23 04:21:36,688 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-07-23 04:21:36,688 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-07-23 04:21:36,688 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-23 04:21:36,688 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-23 04:21:36,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 04:21:36,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 04:21:36,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-07-23 04:21:36,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-07-23 04:21:36,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 04:21:36,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_write_unlock [2022-07-23 04:21:36,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_write_unlock [2022-07-23 04:21:36,689 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-23 04:21:36,690 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-23 04:21:36,690 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2022-07-23 04:21:36,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2022-07-23 04:21:36,690 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-23 04:21:36,690 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-23 04:21:36,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_197 [2022-07-23 04:21:36,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_197 [2022-07-23 04:21:36,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-23 04:21:36,691 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-23 04:21:36,691 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-23 04:21:36,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_153 [2022-07-23 04:21:36,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_153 [2022-07-23 04:21:36,695 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-23 04:21:36,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-23 04:21:36,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-23 04:21:36,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-07-23 04:21:36,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-07-23 04:21:36,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-07-23 04:21:36,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-07-23 04:21:36,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-07-23 04:21:36,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-07-23 04:21:36,698 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2022-07-23 04:21:36,698 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2022-07-23 04:21:36,698 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_do_recv [2022-07-23 04:21:36,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_do_recv [2022-07-23 04:21:36,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_166 [2022-07-23 04:21:36,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_166 [2022-07-23 04:21:36,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__more_at_exit [2022-07-23 04:21:36,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__more_at_exit [2022-07-23 04:21:36,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-23 04:21:36,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-23 04:21:36,699 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2022-07-23 04:21:36,699 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2022-07-23 04:21:36,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_131 [2022-07-23 04:21:36,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_131 [2022-07-23 04:21:36,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_132 [2022-07-23 04:21:36,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_132 [2022-07-23 04:21:36,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_fs_char_dev__double_registration [2022-07-23 04:21:36,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_fs_char_dev__double_registration [2022-07-23 04:21:36,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-07-23 04:21:36,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-07-23 04:21:36,700 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2022-07-23 04:21:36,700 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2022-07-23 04:21:36,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_ppp_mutex [2022-07-23 04:21:36,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_ppp_mutex [2022-07-23 04:21:36,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__destroyed_before_usage [2022-07-23 04:21:36,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__destroyed_before_usage [2022-07-23 04:21:36,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_write_lock [2022-07-23 04:21:36,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_write_lock [2022-07-23 04:21:36,705 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_init_net [2022-07-23 04:21:36,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_init_net [2022-07-23 04:21:36,705 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 04:21:36,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 04:21:36,705 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-23 04:21:36,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-23 04:21:36,705 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-23 04:21:36,706 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-23 04:21:36,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-07-23 04:21:36,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-07-23 04:21:36,706 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2022-07-23 04:21:36,706 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2022-07-23 04:21:36,706 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2022-07-23 04:21:36,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2022-07-23 04:21:36,706 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-23 04:21:36,707 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-23 04:21:36,707 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-07-23 04:21:36,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-07-23 04:21:36,707 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2022-07-23 04:21:36,707 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2022-07-23 04:21:36,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 04:21:36,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 04:21:36,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 04:21:36,708 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_setup [2022-07-23 04:21:36,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_setup [2022-07-23 04:21:36,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-23 04:21:36,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-23 04:21:36,708 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-23 04:21:36,708 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-23 04:21:36,708 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2022-07-23 04:21:36,708 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2022-07-23 04:21:36,709 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-23 04:21:36,709 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-23 04:21:36,709 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2022-07-23 04:21:36,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2022-07-23 04:21:36,709 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-23 04:21:36,709 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-23 04:21:36,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_all_ppp_mutex_of_ppp_net [2022-07-23 04:21:36,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_all_ppp_mutex_of_ppp_net [2022-07-23 04:21:36,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 04:21:36,710 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-23 04:21:36,710 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-23 04:21:36,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_167 [2022-07-23 04:21:36,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_167 [2022-07-23 04:21:36,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_read_lock [2022-07-23 04:21:36,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_read_lock [2022-07-23 04:21:36,710 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-07-23 04:21:36,711 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-07-23 04:21:36,711 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-23 04:21:36,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-23 04:21:36,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-07-23 04:21:36,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-07-23 04:21:36,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_154 [2022-07-23 04:21:36,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_154 [2022-07-23 04:21:36,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-23 04:21:36,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-23 04:21:36,712 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2022-07-23 04:21:36,712 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_device [2022-07-23 04:21:36,712 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2022-07-23 04:21:36,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2022-07-23 04:21:36,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_ppp_mutex [2022-07-23 04:21:36,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_ppp_mutex [2022-07-23 04:21:36,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-23 04:21:36,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-23 04:21:36,713 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-23 04:21:36,713 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-23 04:21:36,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_133 [2022-07-23 04:21:36,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_133 [2022-07-23 04:21:36,713 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2022-07-23 04:21:36,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2022-07-23 04:21:36,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_134 [2022-07-23 04:21:36,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_134 [2022-07-23 04:21:36,714 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2022-07-23 04:21:36,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_channel [2022-07-23 04:21:36,714 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2022-07-23 04:21:36,714 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2022-07-23 04:21:36,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-07-23 04:21:36,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-07-23 04:21:36,714 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-23 04:21:36,714 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-23 04:21:36,715 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2022-07-23 04:21:36,715 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2022-07-23 04:21:36,715 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_nonmp_frame [2022-07-23 04:21:36,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_nonmp_frame [2022-07-23 04:21:36,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-07-23 04:21:36,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-07-23 04:21:36,715 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-07-23 04:21:36,715 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-07-23 04:21:36,716 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-07-23 04:21:36,716 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-07-23 04:21:36,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-07-23 04:21:36,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-07-23 04:21:36,716 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-23 04:21:36,716 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-23 04:21:36,716 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-23 04:21:36,716 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-23 04:21:36,717 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2022-07-23 04:21:36,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2022-07-23 04:21:36,718 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-23 04:21:36,718 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-23 04:21:36,718 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2022-07-23 04:21:36,718 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2022-07-23 04:21:36,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-23 04:21:36,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-23 04:21:36,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-07-23 04:21:36,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-07-23 04:21:36,719 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_register_net_channel [2022-07-23 04:21:36,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_register_net_channel [2022-07-23 04:21:36,719 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_mp_explode [2022-07-23 04:21:36,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_mp_explode [2022-07-23 04:21:36,719 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-23 04:21:36,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-23 04:21:36,719 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_poll [2022-07-23 04:21:36,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_poll [2022-07-23 04:21:36,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 04:21:36,720 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-23 04:21:36,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-23 04:21:37,656 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 04:21:37,659 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 04:21:37,826 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 04:21:41,984 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 04:21:42,006 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 04:21:42,007 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2022-07-23 04:21:42,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 04:21:42 BoogieIcfgContainer [2022-07-23 04:21:42,014 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 04:21:42,018 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 04:21:42,019 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 04:21:42,022 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 04:21:42,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 04:21:28" (1/3) ... [2022-07-23 04:21:42,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3806e761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 04:21:42, skipping insertion in model container [2022-07-23 04:21:42,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:21:35" (2/3) ... [2022-07-23 04:21:42,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3806e761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 04:21:42, skipping insertion in model container [2022-07-23 04:21:42,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 04:21:42" (3/3) ... [2022-07-23 04:21:42,025 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i [2022-07-23 04:21:42,039 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 04:21:42,039 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2022-07-23 04:21:42,138 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 04:21:42,144 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@67161dff, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2fa94cc6 [2022-07-23 04:21:42,146 INFO L358 AbstractCegarLoop]: Starting to check reachability of 44 error locations. [2022-07-23 04:21:42,161 INFO L276 IsEmpty]: Start isEmpty. Operand has 2688 states, 1812 states have (on average 1.3344370860927153) internal successors, (2418), 1931 states have internal predecessors, (2418), 665 states have call successors, (665), 169 states have call predecessors, (665), 168 states have return successors, (659), 636 states have call predecessors, (659), 659 states have call successors, (659) [2022-07-23 04:21:42,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-07-23 04:21:42,168 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:21:42,168 INFO L195 NwaCegarLoop]: 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] [2022-07-23 04:21:42,169 INFO L420 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 42 more)] === [2022-07-23 04:21:42,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:21:42,173 INFO L85 PathProgramCache]: Analyzing trace with hash -557576269, now seen corresponding path program 1 times [2022-07-23 04:21:42,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:21:42,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517569212] [2022-07-23 04:21:42,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:21:42,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:21:42,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:21:42,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:21:42,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:21:42,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-23 04:21:42,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:21:42,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:21:42,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:21:42,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:21:42,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:21:42,941 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-23 04:21:42,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:21:42,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517569212] [2022-07-23 04:21:42,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517569212] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:21:42,942 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:21:42,942 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 04:21:42,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967171223] [2022-07-23 04:21:42,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:21:42,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 04:21:42,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:21:42,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 04:21:42,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 04:21:42,999 INFO L87 Difference]: Start difference. First operand has 2688 states, 1812 states have (on average 1.3344370860927153) internal successors, (2418), 1931 states have internal predecessors, (2418), 665 states have call successors, (665), 169 states have call predecessors, (665), 168 states have return successors, (659), 636 states have call predecessors, (659), 659 states have call successors, (659) Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-23 04:21:43,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:21:43,491 INFO L93 Difference]: Finished difference Result 7914 states and 11535 transitions. [2022-07-23 04:21:43,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 04:21:43,494 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 34 [2022-07-23 04:21:43,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:21:43,549 INFO L225 Difference]: With dead ends: 7914 [2022-07-23 04:21:43,549 INFO L226 Difference]: Without dead ends: 5221 [2022-07-23 04:21:43,587 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-23 04:21:43,594 INFO L413 NwaCegarLoop]: 6719 mSDtfsCounter, 3604 mSDsluCounter, 16942 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3605 SdHoareTripleChecker+Valid, 23661 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 04:21:43,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3605 Valid, 23661 Invalid, 16 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 04:21:43,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5221 states. [2022-07-23 04:21:43,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5221 to 5128. [2022-07-23 04:21:43,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5128 states, 3478 states have (on average 1.288671650373778) internal successors, (4482), 3665 states have internal predecessors, (4482), 1275 states have call successors, (1275), 333 states have call predecessors, (1275), 332 states have return successors, (1273), 1224 states have call predecessors, (1273), 1273 states have call successors, (1273) [2022-07-23 04:21:44,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5128 states to 5128 states and 7030 transitions. [2022-07-23 04:21:44,020 INFO L78 Accepts]: Start accepts. Automaton has 5128 states and 7030 transitions. Word has length 34 [2022-07-23 04:21:44,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:21:44,022 INFO L495 AbstractCegarLoop]: Abstraction has 5128 states and 7030 transitions. [2022-07-23 04:21:44,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-23 04:21:44,023 INFO L276 IsEmpty]: Start isEmpty. Operand 5128 states and 7030 transitions. [2022-07-23 04:21:44,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-07-23 04:21:44,027 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:21:44,028 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-23 04:21:44,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-23 04:21:44,028 INFO L420 AbstractCegarLoop]: === Iteration 2 === 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 42 more)] === [2022-07-23 04:21:44,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:21:44,029 INFO L85 PathProgramCache]: Analyzing trace with hash -969627705, now seen corresponding path program 1 times [2022-07-23 04:21:44,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:21:44,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5979699] [2022-07-23 04:21:44,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:21:44,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:21:44,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:21:44,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:21:44,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:21:44,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-23 04:21:44,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:21:44,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:21:44,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:21:44,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:21:44,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:21:44,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 04:21:44,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:21:44,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:21:44,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:21:44,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:21:44,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:21:44,393 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-23 04:21:44,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:21:44,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5979699] [2022-07-23 04:21:44,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5979699] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:21:44,394 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:21:44,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 04:21:44,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948064834] [2022-07-23 04:21:44,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:21:44,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 04:21:44,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:21:44,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 04:21:44,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 04:21:44,398 INFO L87 Difference]: Start difference. First operand 5128 states and 7030 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 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) [2022-07-23 04:21:44,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:21:44,614 INFO L93 Difference]: Finished difference Result 5128 states and 7030 transitions. [2022-07-23 04:21:44,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 04:21:44,615 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 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 53 [2022-07-23 04:21:44,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:21:44,649 INFO L225 Difference]: With dead ends: 5128 [2022-07-23 04:21:44,649 INFO L226 Difference]: Without dead ends: 5126 [2022-07-23 04:21:44,655 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-23 04:21:44,658 INFO L413 NwaCegarLoop]: 3591 mSDtfsCounter, 3584 mSDsluCounter, 7179 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3585 SdHoareTripleChecker+Valid, 10770 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 [2022-07-23 04:21:44,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3585 Valid, 10770 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 04:21:44,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5126 states. [2022-07-23 04:21:44,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5126 to 5126. [2022-07-23 04:21:44,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5126 states, 3477 states have (on average 1.288179465056083) internal successors, (4479), 3663 states have internal predecessors, (4479), 1275 states have call successors, (1275), 333 states have call predecessors, (1275), 332 states have return successors, (1273), 1224 states have call predecessors, (1273), 1273 states have call successors, (1273) [2022-07-23 04:21:44,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5126 states to 5126 states and 7027 transitions. [2022-07-23 04:21:44,926 INFO L78 Accepts]: Start accepts. Automaton has 5126 states and 7027 transitions. Word has length 53 [2022-07-23 04:21:44,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:21:44,928 INFO L495 AbstractCegarLoop]: Abstraction has 5126 states and 7027 transitions. [2022-07-23 04:21:44,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 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) [2022-07-23 04:21:44,928 INFO L276 IsEmpty]: Start isEmpty. Operand 5126 states and 7027 transitions. [2022-07-23 04:21:44,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-07-23 04:21:44,936 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:21:44,936 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:21:44,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-23 04:21:44,936 INFO L420 AbstractCegarLoop]: === Iteration 3 === 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 42 more)] === [2022-07-23 04:21:44,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:21:44,937 INFO L85 PathProgramCache]: Analyzing trace with hash -66606166, now seen corresponding path program 1 times [2022-07-23 04:21:44,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:21:44,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367890053] [2022-07-23 04:21:44,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:21:44,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:21:45,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:21:45,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:21:45,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:21:45,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 04:21:45,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:21:45,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 04:21:45,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:21:45,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-23 04:21:45,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:21:45,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:21:45,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:21:45,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 04:21:45,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:21:45,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-23 04:21:45,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:21:45,242 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-23 04:21:45,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:21:45,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367890053] [2022-07-23 04:21:45,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367890053] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:21:45,243 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:21:45,243 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:21:45,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275089998] [2022-07-23 04:21:45,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:21:45,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:21:45,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:21:45,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:21:45,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:21:45,245 INFO L87 Difference]: Start difference. First operand 5126 states and 7027 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-23 04:21:53,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:21:53,506 INFO L93 Difference]: Finished difference Result 5484 states and 7555 transitions. [2022-07-23 04:21:53,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 04:21:53,507 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 52 [2022-07-23 04:21:53,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:21:53,541 INFO L225 Difference]: With dead ends: 5484 [2022-07-23 04:21:53,541 INFO L226 Difference]: Without dead ends: 5482 [2022-07-23 04:21:53,547 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-23 04:21:53,548 INFO L413 NwaCegarLoop]: 3140 mSDtfsCounter, 6728 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 4394 mSolverCounterSat, 3595 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6847 SdHoareTripleChecker+Valid, 3978 SdHoareTripleChecker+Invalid, 7989 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3595 IncrementalHoareTripleChecker+Valid, 4394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-07-23 04:21:53,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6847 Valid, 3978 Invalid, 7989 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3595 Valid, 4394 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2022-07-23 04:21:53,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5482 states. [2022-07-23 04:21:53,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5482 to 5124. [2022-07-23 04:21:53,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5124 states, 3476 states have (on average 1.287686996547756) internal successors, (4476), 3661 states have internal predecessors, (4476), 1275 states have call successors, (1275), 333 states have call predecessors, (1275), 332 states have return successors, (1273), 1224 states have call predecessors, (1273), 1273 states have call successors, (1273) [2022-07-23 04:21:53,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5124 states to 5124 states and 7024 transitions. [2022-07-23 04:21:53,818 INFO L78 Accepts]: Start accepts. Automaton has 5124 states and 7024 transitions. Word has length 52 [2022-07-23 04:21:53,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:21:53,820 INFO L495 AbstractCegarLoop]: Abstraction has 5124 states and 7024 transitions. [2022-07-23 04:21:53,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-23 04:21:53,822 INFO L276 IsEmpty]: Start isEmpty. Operand 5124 states and 7024 transitions. [2022-07-23 04:21:53,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-07-23 04:21:53,825 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:21:53,825 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:21:53,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-23 04:21:53,826 INFO L420 AbstractCegarLoop]: === Iteration 4 === 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 42 more)] === [2022-07-23 04:21:53,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:21:53,826 INFO L85 PathProgramCache]: Analyzing trace with hash 1401725819, now seen corresponding path program 1 times [2022-07-23 04:21:53,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:21:53,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419857312] [2022-07-23 04:21:53,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:21:53,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:21:53,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:21:54,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:21:54,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:21:54,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 04:21:54,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:21:54,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 04:21:54,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:21:54,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-23 04:21:54,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:21:54,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:21:54,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:21:54,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 04:21:54,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:21:54,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-23 04:21:54,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:21:54,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-23 04:21:54,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:21:54,149 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-23 04:21:54,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:21:54,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419857312] [2022-07-23 04:21:54,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419857312] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:21:54,150 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:21:54,150 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:21:54,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760796826] [2022-07-23 04:21:54,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:21:54,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:21:54,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:21:54,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:21:54,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:21:54,153 INFO L87 Difference]: Start difference. First operand 5124 states and 7024 transitions. Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-23 04:22:01,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:22:01,342 INFO L93 Difference]: Finished difference Result 5482 states and 7552 transitions. [2022-07-23 04:22:01,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 04:22:01,343 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 58 [2022-07-23 04:22:01,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:22:01,380 INFO L225 Difference]: With dead ends: 5482 [2022-07-23 04:22:01,381 INFO L226 Difference]: Without dead ends: 5480 [2022-07-23 04:22:01,385 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-23 04:22:01,386 INFO L413 NwaCegarLoop]: 3153 mSDtfsCounter, 6706 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 4407 mSolverCounterSat, 3574 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6824 SdHoareTripleChecker+Valid, 3991 SdHoareTripleChecker+Invalid, 7981 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3574 IncrementalHoareTripleChecker+Valid, 4407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-07-23 04:22:01,387 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6824 Valid, 3991 Invalid, 7981 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3574 Valid, 4407 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2022-07-23 04:22:01,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5480 states. [2022-07-23 04:22:01,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5480 to 5122. [2022-07-23 04:22:01,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5122 states, 3475 states have (on average 1.2871942446043165) internal successors, (4473), 3659 states have internal predecessors, (4473), 1275 states have call successors, (1275), 333 states have call predecessors, (1275), 332 states have return successors, (1273), 1224 states have call predecessors, (1273), 1273 states have call successors, (1273) [2022-07-23 04:22:01,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5122 states to 5122 states and 7021 transitions. [2022-07-23 04:22:01,669 INFO L78 Accepts]: Start accepts. Automaton has 5122 states and 7021 transitions. Word has length 58 [2022-07-23 04:22:01,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:22:01,669 INFO L495 AbstractCegarLoop]: Abstraction has 5122 states and 7021 transitions. [2022-07-23 04:22:01,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-23 04:22:01,670 INFO L276 IsEmpty]: Start isEmpty. Operand 5122 states and 7021 transitions. [2022-07-23 04:22:01,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-07-23 04:22:01,672 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:22:01,672 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:22:01,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-23 04:22:01,673 INFO L420 AbstractCegarLoop]: === Iteration 5 === 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 42 more)] === [2022-07-23 04:22:01,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:22:01,673 INFO L85 PathProgramCache]: Analyzing trace with hash 69306552, now seen corresponding path program 1 times [2022-07-23 04:22:01,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:22:01,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819050125] [2022-07-23 04:22:01,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:22:01,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:22:01,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:22:01,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:22:01,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:22:01,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 04:22:01,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:22:01,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 04:22:01,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:22:01,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-23 04:22:01,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:22:01,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:22:01,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:22:01,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 04:22:01,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:22:01,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-23 04:22:01,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:22:01,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-23 04:22:01,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:22:01,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-23 04:22:01,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:22:01,941 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-23 04:22:01,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:22:01,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819050125] [2022-07-23 04:22:01,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819050125] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:22:01,942 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:22:01,942 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:22:01,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104438054] [2022-07-23 04:22:01,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:22:01,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:22:01,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:22:01,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:22:01,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:22:01,944 INFO L87 Difference]: Start difference. First operand 5122 states and 7021 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-23 04:22:08,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:22:08,737 INFO L93 Difference]: Finished difference Result 5480 states and 7549 transitions. [2022-07-23 04:22:08,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 04:22:08,738 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 64 [2022-07-23 04:22:08,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:22:08,769 INFO L225 Difference]: With dead ends: 5480 [2022-07-23 04:22:08,769 INFO L226 Difference]: Without dead ends: 5478 [2022-07-23 04:22:08,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-23 04:22:08,776 INFO L413 NwaCegarLoop]: 3114 mSDtfsCounter, 6758 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 4368 mSolverCounterSat, 3598 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6875 SdHoareTripleChecker+Valid, 3952 SdHoareTripleChecker+Invalid, 7966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3598 IncrementalHoareTripleChecker+Valid, 4368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-07-23 04:22:08,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6875 Valid, 3952 Invalid, 7966 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3598 Valid, 4368 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2022-07-23 04:22:08,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5478 states. [2022-07-23 04:22:08,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5478 to 5120. [2022-07-23 04:22:09,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5120 states, 3474 states have (on average 1.2867012089810017) internal successors, (4470), 3657 states have internal predecessors, (4470), 1275 states have call successors, (1275), 333 states have call predecessors, (1275), 332 states have return successors, (1273), 1224 states have call predecessors, (1273), 1273 states have call successors, (1273) [2022-07-23 04:22:09,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5120 states to 5120 states and 7018 transitions. [2022-07-23 04:22:09,034 INFO L78 Accepts]: Start accepts. Automaton has 5120 states and 7018 transitions. Word has length 64 [2022-07-23 04:22:09,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:22:09,035 INFO L495 AbstractCegarLoop]: Abstraction has 5120 states and 7018 transitions. [2022-07-23 04:22:09,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-23 04:22:09,035 INFO L276 IsEmpty]: Start isEmpty. Operand 5120 states and 7018 transitions. [2022-07-23 04:22:09,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-07-23 04:22:09,036 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:22:09,037 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:22:09,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-23 04:22:09,037 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_unregister_chrdev_159Err0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2022-07-23 04:22:09,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:22:09,038 INFO L85 PathProgramCache]: Analyzing trace with hash -556843342, now seen corresponding path program 1 times [2022-07-23 04:22:09,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:22:09,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386567948] [2022-07-23 04:22:09,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:22:09,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:22:09,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:22:09,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:22:09,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:22:09,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 04:22:09,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:22:09,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 04:22:09,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:22:09,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-23 04:22:09,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:22:09,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:22:09,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:22:09,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 04:22:09,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:22:09,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-23 04:22:09,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:22:09,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 04:22:09,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:22:09,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-23 04:22:09,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:22:09,332 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-23 04:22:09,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:22:09,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386567948] [2022-07-23 04:22:09,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386567948] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:22:09,332 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:22:09,332 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-23 04:22:09,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359822021] [2022-07-23 04:22:09,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:22:09,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-23 04:22:09,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:22:09,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-23 04:22:09,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-23 04:22:09,334 INFO L87 Difference]: Start difference. First operand 5120 states and 7018 transitions. Second operand has 8 states, 8 states have (on average 4.875) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-23 04:22:20,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:22:20,879 INFO L93 Difference]: Finished difference Result 6474 states and 8694 transitions. [2022-07-23 04:22:20,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-23 04:22:20,880 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) Word has length 66 [2022-07-23 04:22:20,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:22:20,910 INFO L225 Difference]: With dead ends: 6474 [2022-07-23 04:22:20,910 INFO L226 Difference]: Without dead ends: 6265 [2022-07-23 04:22:20,915 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2022-07-23 04:22:20,915 INFO L413 NwaCegarLoop]: 3181 mSDtfsCounter, 5148 mSDsluCounter, 1844 mSDsCounter, 0 mSdLazyCounter, 14966 mSolverCounterSat, 2728 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5267 SdHoareTripleChecker+Valid, 5025 SdHoareTripleChecker+Invalid, 17694 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2728 IncrementalHoareTripleChecker+Valid, 14966 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2022-07-23 04:22:20,916 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5267 Valid, 5025 Invalid, 17694 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2728 Valid, 14966 Invalid, 0 Unknown, 0 Unchecked, 11.1s Time] [2022-07-23 04:22:20,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6265 states. [2022-07-23 04:22:21,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6265 to 5498. [2022-07-23 04:22:21,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5498 states, 3733 states have (on average 1.2777926600589338) internal successors, (4770), 3924 states have internal predecessors, (4770), 1357 states have call successors, (1357), 372 states have call predecessors, (1357), 369 states have return successors, (1355), 1299 states have call predecessors, (1355), 1355 states have call successors, (1355) [2022-07-23 04:22:21,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5498 states to 5498 states and 7482 transitions. [2022-07-23 04:22:21,157 INFO L78 Accepts]: Start accepts. Automaton has 5498 states and 7482 transitions. Word has length 66 [2022-07-23 04:22:21,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:22:21,157 INFO L495 AbstractCegarLoop]: Abstraction has 5498 states and 7482 transitions. [2022-07-23 04:22:21,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-23 04:22:21,158 INFO L276 IsEmpty]: Start isEmpty. Operand 5498 states and 7482 transitions. [2022-07-23 04:22:21,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-07-23 04:22:21,159 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:22:21,159 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:22:21,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-23 04:22:21,159 INFO L420 AbstractCegarLoop]: === Iteration 7 === 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 42 more)] === [2022-07-23 04:22:21,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:22:21,161 INFO L85 PathProgramCache]: Analyzing trace with hash -1292387120, now seen corresponding path program 1 times [2022-07-23 04:22:21,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:22:21,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985803190] [2022-07-23 04:22:21,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:22:21,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:22:21,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:22:21,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:22:21,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:22:21,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 04:22:21,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:22:21,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 04:22:21,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:22:21,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-23 04:22:21,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:22:21,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:22:21,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:22:21,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 04:22:21,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:22:21,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-23 04:22:21,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:22:21,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-23 04:22:21,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:22:21,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-23 04:22:21,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:22:21,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 04:22:21,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:22:21,418 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-23 04:22:21,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:22:21,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985803190] [2022-07-23 04:22:21,419 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985803190] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:22:21,419 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:22:21,419 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:22:21,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731326840] [2022-07-23 04:22:21,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:22:21,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:22:21,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:22:21,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:22:21,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:22:21,421 INFO L87 Difference]: Start difference. First operand 5498 states and 7482 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-23 04:22:27,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:22:27,784 INFO L93 Difference]: Finished difference Result 5856 states and 8010 transitions. [2022-07-23 04:22:27,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 04:22:27,784 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 70 [2022-07-23 04:22:27,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:22:27,805 INFO L225 Difference]: With dead ends: 5856 [2022-07-23 04:22:27,805 INFO L226 Difference]: Without dead ends: 5854 [2022-07-23 04:22:27,808 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-23 04:22:27,809 INFO L413 NwaCegarLoop]: 3184 mSDtfsCounter, 6626 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 4438 mSolverCounterSat, 3571 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6742 SdHoareTripleChecker+Valid, 4022 SdHoareTripleChecker+Invalid, 8009 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3571 IncrementalHoareTripleChecker+Valid, 4438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-07-23 04:22:27,809 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6742 Valid, 4022 Invalid, 8009 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3571 Valid, 4438 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-07-23 04:22:27,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5854 states. [2022-07-23 04:22:28,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5854 to 5496. [2022-07-23 04:22:28,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5496 states, 3732 states have (on average 1.277331189710611) internal successors, (4767), 3922 states have internal predecessors, (4767), 1357 states have call successors, (1357), 372 states have call predecessors, (1357), 369 states have return successors, (1355), 1299 states have call predecessors, (1355), 1355 states have call successors, (1355) [2022-07-23 04:22:28,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5496 states to 5496 states and 7479 transitions. [2022-07-23 04:22:28,035 INFO L78 Accepts]: Start accepts. Automaton has 5496 states and 7479 transitions. Word has length 70 [2022-07-23 04:22:28,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:22:28,036 INFO L495 AbstractCegarLoop]: Abstraction has 5496 states and 7479 transitions. [2022-07-23 04:22:28,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-23 04:22:28,037 INFO L276 IsEmpty]: Start isEmpty. Operand 5496 states and 7479 transitions. [2022-07-23 04:22:28,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-07-23 04:22:28,038 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:22:28,038 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:22:28,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-23 04:22:28,038 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_unregister_chrdev_159Err0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2022-07-23 04:22:28,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:22:28,039 INFO L85 PathProgramCache]: Analyzing trace with hash 390811223, now seen corresponding path program 1 times [2022-07-23 04:22:28,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:22:28,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210149619] [2022-07-23 04:22:28,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:22:28,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:22:28,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:22:28,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:22:28,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:22:28,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 04:22:28,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:22:28,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 04:22:28,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:22:28,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-23 04:22:28,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:22:28,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:22:28,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:22:28,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 04:22:28,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:22:28,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-23 04:22:28,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:22:28,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 04:22:28,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:22:28,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-23 04:22:28,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:22:28,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 04:22:28,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:22:28,316 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-07-23 04:22:28,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:22:28,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210149619] [2022-07-23 04:22:28,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210149619] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:22:28,317 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:22:28,317 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-23 04:22:28,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440639926] [2022-07-23 04:22:28,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:22:28,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-23 04:22:28,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:22:28,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-23 04:22:28,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-23 04:22:28,319 INFO L87 Difference]: Start difference. First operand 5496 states and 7479 transitions. Second operand has 8 states, 8 states have (on average 5.375) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (11), 4 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-23 04:22:39,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:22:39,646 INFO L93 Difference]: Finished difference Result 6451 states and 8666 transitions. [2022-07-23 04:22:39,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-23 04:22:39,647 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (11), 4 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) Word has length 72 [2022-07-23 04:22:39,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:22:39,670 INFO L225 Difference]: With dead ends: 6451 [2022-07-23 04:22:39,670 INFO L226 Difference]: Without dead ends: 6244 [2022-07-23 04:22:39,675 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2022-07-23 04:22:39,676 INFO L413 NwaCegarLoop]: 3207 mSDtfsCounter, 5103 mSDsluCounter, 1847 mSDsCounter, 0 mSdLazyCounter, 15072 mSolverCounterSat, 2723 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5221 SdHoareTripleChecker+Valid, 5054 SdHoareTripleChecker+Invalid, 17795 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2723 IncrementalHoareTripleChecker+Valid, 15072 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2022-07-23 04:22:39,676 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5221 Valid, 5054 Invalid, 17795 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2723 Valid, 15072 Invalid, 0 Unknown, 0 Unchecked, 10.9s Time] [2022-07-23 04:22:39,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6244 states. [2022-07-23 04:22:39,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6244 to 5496. [2022-07-23 04:22:39,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5496 states, 3732 states have (on average 1.2770632368703108) internal successors, (4766), 3922 states have internal predecessors, (4766), 1357 states have call successors, (1357), 372 states have call predecessors, (1357), 369 states have return successors, (1355), 1299 states have call predecessors, (1355), 1355 states have call successors, (1355) [2022-07-23 04:22:39,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5496 states to 5496 states and 7478 transitions. [2022-07-23 04:22:39,919 INFO L78 Accepts]: Start accepts. Automaton has 5496 states and 7478 transitions. Word has length 72 [2022-07-23 04:22:39,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:22:39,920 INFO L495 AbstractCegarLoop]: Abstraction has 5496 states and 7478 transitions. [2022-07-23 04:22:39,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (11), 4 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-23 04:22:39,920 INFO L276 IsEmpty]: Start isEmpty. Operand 5496 states and 7478 transitions. [2022-07-23 04:22:39,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-07-23 04:22:39,921 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:22:39,922 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:22:39,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-23 04:22:39,922 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_unregister_chrdev_159Err0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2022-07-23 04:22:39,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:22:39,923 INFO L85 PathProgramCache]: Analyzing trace with hash -2129148711, now seen corresponding path program 1 times [2022-07-23 04:22:39,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:22:39,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890502376] [2022-07-23 04:22:39,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:22:39,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:22:40,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:22:40,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:22:40,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:22:40,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 04:22:40,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:22:40,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 04:22:40,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:22:40,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-23 04:22:40,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:22:40,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:22:40,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:22:40,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 04:22:40,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:22:40,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-23 04:22:40,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:22:40,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 04:22:40,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:22:40,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-23 04:22:40,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:22:40,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 04:22:40,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:22:40,389 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-23 04:22:40,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:22:40,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890502376] [2022-07-23 04:22:40,389 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890502376] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:22:40,390 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:22:40,390 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-07-23 04:22:40,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319752155] [2022-07-23 04:22:40,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:22:40,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-07-23 04:22:40,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:22:40,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-07-23 04:22:40,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-07-23 04:22:40,392 INFO L87 Difference]: Start difference. First operand 5496 states and 7478 transitions. Second operand has 17 states, 16 states have (on average 2.75) internal successors, (44), 14 states have internal predecessors, (44), 6 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) [2022-07-23 04:23:11,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:23:11,184 INFO L93 Difference]: Finished difference Result 6635 states and 8931 transitions. [2022-07-23 04:23:11,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-07-23 04:23:11,184 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 2.75) internal successors, (44), 14 states have internal predecessors, (44), 6 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) Word has length 72 [2022-07-23 04:23:11,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:23:11,205 INFO L225 Difference]: With dead ends: 6635 [2022-07-23 04:23:11,206 INFO L226 Difference]: Without dead ends: 5959 [2022-07-23 04:23:11,210 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=141, Invalid=729, Unknown=0, NotChecked=0, Total=870 [2022-07-23 04:23:11,211 INFO L413 NwaCegarLoop]: 3154 mSDtfsCounter, 4241 mSDsluCounter, 5048 mSDsCounter, 0 mSdLazyCounter, 45154 mSolverCounterSat, 2658 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4307 SdHoareTripleChecker+Valid, 8202 SdHoareTripleChecker+Invalid, 47812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2658 IncrementalHoareTripleChecker+Valid, 45154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.7s IncrementalHoareTripleChecker+Time [2022-07-23 04:23:11,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4307 Valid, 8202 Invalid, 47812 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2658 Valid, 45154 Invalid, 0 Unknown, 0 Unchecked, 29.7s Time] [2022-07-23 04:23:11,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5959 states. [2022-07-23 04:23:11,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5959 to 5548. [2022-07-23 04:23:11,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5548 states, 3766 states have (on average 1.2745618693574083) internal successors, (4800), 3954 states have internal predecessors, (4800), 1375 states have call successors, (1375), 372 states have call predecessors, (1375), 369 states have return successors, (1373), 1317 states have call predecessors, (1373), 1373 states have call successors, (1373) [2022-07-23 04:23:11,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5548 states to 5548 states and 7548 transitions. [2022-07-23 04:23:11,484 INFO L78 Accepts]: Start accepts. Automaton has 5548 states and 7548 transitions. Word has length 72 [2022-07-23 04:23:11,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:23:11,484 INFO L495 AbstractCegarLoop]: Abstraction has 5548 states and 7548 transitions. [2022-07-23 04:23:11,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 2.75) internal successors, (44), 14 states have internal predecessors, (44), 6 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) [2022-07-23 04:23:11,485 INFO L276 IsEmpty]: Start isEmpty. Operand 5548 states and 7548 transitions. [2022-07-23 04:23:11,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-07-23 04:23:11,486 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:23:11,487 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:23:11,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-23 04:23:11,487 INFO L420 AbstractCegarLoop]: === Iteration 10 === 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 42 more)] === [2022-07-23 04:23:11,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:23:11,487 INFO L85 PathProgramCache]: Analyzing trace with hash -990300831, now seen corresponding path program 1 times [2022-07-23 04:23:11,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:23:11,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590475203] [2022-07-23 04:23:11,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:23:11,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:23:11,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:11,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:23:11,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:11,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 04:23:11,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:11,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 04:23:11,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:11,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-23 04:23:11,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:11,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:23:11,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:11,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 04:23:11,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:11,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-23 04:23:11,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:11,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-23 04:23:11,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:11,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-23 04:23:11,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:11,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 04:23:11,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:11,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 04:23:11,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:11,725 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-23 04:23:11,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:23:11,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590475203] [2022-07-23 04:23:11,726 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590475203] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:23:11,726 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:23:11,726 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:23:11,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345736571] [2022-07-23 04:23:11,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:23:11,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:23:11,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:23:11,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:23:11,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:23:11,728 INFO L87 Difference]: Start difference. First operand 5548 states and 7548 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-07-23 04:23:19,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:23:19,285 INFO L93 Difference]: Finished difference Result 6938 states and 9271 transitions. [2022-07-23 04:23:19,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-23 04:23:19,292 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 76 [2022-07-23 04:23:19,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:23:19,320 INFO L225 Difference]: With dead ends: 6938 [2022-07-23 04:23:19,320 INFO L226 Difference]: Without dead ends: 6936 [2022-07-23 04:23:19,327 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-07-23 04:23:19,328 INFO L413 NwaCegarLoop]: 3388 mSDtfsCounter, 7006 mSDsluCounter, 1200 mSDsCounter, 0 mSdLazyCounter, 5041 mSolverCounterSat, 3686 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7121 SdHoareTripleChecker+Valid, 4588 SdHoareTripleChecker+Invalid, 8727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3686 IncrementalHoareTripleChecker+Valid, 5041 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-07-23 04:23:19,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7121 Valid, 4588 Invalid, 8727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3686 Valid, 5041 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2022-07-23 04:23:19,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6936 states. [2022-07-23 04:23:19,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6936 to 6311. [2022-07-23 04:23:19,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6311 states, 4290 states have (on average 1.2564102564102564) internal successors, (5390), 4490 states have internal predecessors, (5390), 1530 states have call successors, (1530), 458 states have call predecessors, (1530), 453 states have return successors, (1528), 1462 states have call predecessors, (1528), 1528 states have call successors, (1528) [2022-07-23 04:23:19,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6311 states to 6311 states and 8448 transitions. [2022-07-23 04:23:19,691 INFO L78 Accepts]: Start accepts. Automaton has 6311 states and 8448 transitions. Word has length 76 [2022-07-23 04:23:19,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:23:19,692 INFO L495 AbstractCegarLoop]: Abstraction has 6311 states and 8448 transitions. [2022-07-23 04:23:19,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-07-23 04:23:19,692 INFO L276 IsEmpty]: Start isEmpty. Operand 6311 states and 8448 transitions. [2022-07-23 04:23:19,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-07-23 04:23:19,694 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:23:19,694 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:23:19,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-23 04:23:19,694 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_fs_char_dev_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 42 more)] === [2022-07-23 04:23:19,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:23:19,695 INFO L85 PathProgramCache]: Analyzing trace with hash -1133077380, now seen corresponding path program 1 times [2022-07-23 04:23:19,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:23:19,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207298694] [2022-07-23 04:23:19,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:23:19,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:23:19,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:19,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:23:19,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:19,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 04:23:19,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:19,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 04:23:19,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:19,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-23 04:23:19,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:19,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:23:19,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:19,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 04:23:19,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:19,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-23 04:23:19,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:19,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-23 04:23:19,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:19,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-23 04:23:19,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:19,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 04:23:19,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:19,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 04:23:19,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:19,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-23 04:23:19,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:19,894 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-23 04:23:19,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:23:19,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207298694] [2022-07-23 04:23:19,895 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207298694] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:23:19,895 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:23:19,895 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:23:19,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979275430] [2022-07-23 04:23:19,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:23:19,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:23:19,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:23:19,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:23:19,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:23:19,897 INFO L87 Difference]: Start difference. First operand 6311 states and 8448 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-23 04:23:34,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:23:34,057 INFO L93 Difference]: Finished difference Result 6833 states and 9123 transitions. [2022-07-23 04:23:34,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-23 04:23:34,057 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 82 [2022-07-23 04:23:34,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:23:34,087 INFO L225 Difference]: With dead ends: 6833 [2022-07-23 04:23:34,087 INFO L226 Difference]: Without dead ends: 6831 [2022-07-23 04:23:34,092 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-07-23 04:23:34,093 INFO L413 NwaCegarLoop]: 3266 mSDtfsCounter, 10812 mSDsluCounter, 1136 mSDsCounter, 0 mSdLazyCounter, 9217 mSolverCounterSat, 5949 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10968 SdHoareTripleChecker+Valid, 4402 SdHoareTripleChecker+Invalid, 15166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5949 IncrementalHoareTripleChecker+Valid, 9217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2022-07-23 04:23:34,093 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10968 Valid, 4402 Invalid, 15166 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5949 Valid, 9217 Invalid, 0 Unknown, 0 Unchecked, 13.5s Time] [2022-07-23 04:23:34,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6831 states. [2022-07-23 04:23:34,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6831 to 6311. [2022-07-23 04:23:34,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6311 states, 4290 states have (on average 1.2561771561771562) internal successors, (5389), 4490 states have internal predecessors, (5389), 1530 states have call successors, (1530), 458 states have call predecessors, (1530), 453 states have return successors, (1528), 1462 states have call predecessors, (1528), 1528 states have call successors, (1528) [2022-07-23 04:23:34,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6311 states to 6311 states and 8447 transitions. [2022-07-23 04:23:34,409 INFO L78 Accepts]: Start accepts. Automaton has 6311 states and 8447 transitions. Word has length 82 [2022-07-23 04:23:34,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:23:34,409 INFO L495 AbstractCegarLoop]: Abstraction has 6311 states and 8447 transitions. [2022-07-23 04:23:34,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-23 04:23:34,410 INFO L276 IsEmpty]: Start isEmpty. Operand 6311 states and 8447 transitions. [2022-07-23 04:23:34,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-07-23 04:23:34,411 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:23:34,411 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:23:34,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-23 04:23:34,411 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_fs_sysfs_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 42 more)] === [2022-07-23 04:23:34,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:23:34,412 INFO L85 PathProgramCache]: Analyzing trace with hash 1470553012, now seen corresponding path program 1 times [2022-07-23 04:23:34,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:23:34,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366227726] [2022-07-23 04:23:34,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:23:34,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:23:34,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:34,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:23:34,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:34,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 04:23:34,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:34,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 04:23:34,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:34,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-23 04:23:34,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:34,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:23:34,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:34,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 04:23:34,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:34,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-23 04:23:34,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:34,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-23 04:23:34,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:34,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-23 04:23:34,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:34,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 04:23:34,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:34,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 04:23:34,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:34,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-23 04:23:34,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:34,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 04:23:34,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:34,707 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-23 04:23:34,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:23:34,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366227726] [2022-07-23 04:23:34,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366227726] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:23:34,708 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:23:34,709 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:23:34,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648856368] [2022-07-23 04:23:34,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:23:34,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:23:34,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:23:34,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:23:34,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:23:34,711 INFO L87 Difference]: Start difference. First operand 6311 states and 8447 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, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-23 04:23:41,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:23:41,949 INFO L93 Difference]: Finished difference Result 6669 states and 8975 transitions. [2022-07-23 04:23:41,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 04:23:41,950 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, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 88 [2022-07-23 04:23:41,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:23:41,975 INFO L225 Difference]: With dead ends: 6669 [2022-07-23 04:23:41,975 INFO L226 Difference]: Without dead ends: 6667 [2022-07-23 04:23:41,979 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-23 04:23:41,980 INFO L413 NwaCegarLoop]: 3173 mSDtfsCounter, 6630 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 4427 mSolverCounterSat, 3583 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6743 SdHoareTripleChecker+Valid, 4011 SdHoareTripleChecker+Invalid, 8010 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3583 IncrementalHoareTripleChecker+Valid, 4427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-07-23 04:23:41,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6743 Valid, 4011 Invalid, 8010 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3583 Valid, 4427 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2022-07-23 04:23:41,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6667 states. [2022-07-23 04:23:42,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6667 to 6309. [2022-07-23 04:23:42,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6309 states, 4289 states have (on average 1.2557705758918163) internal successors, (5386), 4488 states have internal predecessors, (5386), 1530 states have call successors, (1530), 458 states have call predecessors, (1530), 453 states have return successors, (1528), 1462 states have call predecessors, (1528), 1528 states have call successors, (1528) [2022-07-23 04:23:42,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6309 states to 6309 states and 8444 transitions. [2022-07-23 04:23:42,290 INFO L78 Accepts]: Start accepts. Automaton has 6309 states and 8444 transitions. Word has length 88 [2022-07-23 04:23:42,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:23:42,290 INFO L495 AbstractCegarLoop]: Abstraction has 6309 states and 8444 transitions. [2022-07-23 04:23:42,290 INFO L496 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, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-23 04:23:42,291 INFO L276 IsEmpty]: Start isEmpty. Operand 6309 states and 8444 transitions. [2022-07-23 04:23:42,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-07-23 04:23:42,292 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:23:42,292 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:23:42,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-23 04:23:42,292 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_locking_rwlock_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 42 more)] === [2022-07-23 04:23:42,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:23:42,293 INFO L85 PathProgramCache]: Analyzing trace with hash -1697529068, now seen corresponding path program 1 times [2022-07-23 04:23:42,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:23:42,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790677748] [2022-07-23 04:23:42,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:23:42,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:23:42,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:42,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:23:42,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:42,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 04:23:42,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:42,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 04:23:42,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:42,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-23 04:23:42,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:42,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:23:42,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:42,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 04:23:42,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:42,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-23 04:23:42,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:42,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-23 04:23:42,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:42,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-23 04:23:42,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:42,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 04:23:42,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:42,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 04:23:42,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:42,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-23 04:23:42,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:42,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 04:23:42,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:42,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 04:23:42,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:42,510 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-23 04:23:42,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:23:42,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790677748] [2022-07-23 04:23:42,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790677748] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:23:42,511 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:23:42,511 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:23:42,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60365466] [2022-07-23 04:23:42,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:23:42,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:23:42,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:23:42,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:23:42,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:23:42,512 INFO L87 Difference]: Start difference. First operand 6309 states and 8444 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, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-23 04:23:57,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:23:57,438 INFO L93 Difference]: Finished difference Result 11830 states and 15980 transitions. [2022-07-23 04:23:57,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-23 04:23:57,439 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, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 94 [2022-07-23 04:23:57,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:23:57,475 INFO L225 Difference]: With dead ends: 11830 [2022-07-23 04:23:57,475 INFO L226 Difference]: Without dead ends: 11828 [2022-07-23 04:23:57,482 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-07-23 04:23:57,483 INFO L413 NwaCegarLoop]: 3301 mSDtfsCounter, 9723 mSDsluCounter, 1145 mSDsCounter, 0 mSdLazyCounter, 9180 mSolverCounterSat, 5506 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9876 SdHoareTripleChecker+Valid, 4446 SdHoareTripleChecker+Invalid, 14686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5506 IncrementalHoareTripleChecker+Valid, 9180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2022-07-23 04:23:57,483 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9876 Valid, 4446 Invalid, 14686 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5506 Valid, 9180 Invalid, 0 Unknown, 0 Unchecked, 14.0s Time] [2022-07-23 04:23:57,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11828 states. [2022-07-23 04:23:58,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11828 to 10877. [2022-07-23 04:23:58,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10877 states, 7390 states have (on average 1.2543978349120433) internal successors, (9270), 7687 states have internal predecessors, (9270), 2658 states have call successors, (2658), 797 states have call predecessors, (2658), 792 states have return successors, (2736), 2554 states have call predecessors, (2736), 2656 states have call successors, (2736) [2022-07-23 04:23:58,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10877 states to 10877 states and 14664 transitions. [2022-07-23 04:23:58,084 INFO L78 Accepts]: Start accepts. Automaton has 10877 states and 14664 transitions. Word has length 94 [2022-07-23 04:23:58,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:23:58,085 INFO L495 AbstractCegarLoop]: Abstraction has 10877 states and 14664 transitions. [2022-07-23 04:23:58,085 INFO L496 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, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-23 04:23:58,086 INFO L276 IsEmpty]: Start isEmpty. Operand 10877 states and 14664 transitions. [2022-07-23 04:23:58,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-07-23 04:23:58,087 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:23:58,087 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2022-07-23 04:23:58,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-23 04:23:58,090 INFO L420 AbstractCegarLoop]: === Iteration 14 === 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 42 more)] === [2022-07-23 04:23:58,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:23:58,090 INFO L85 PathProgramCache]: Analyzing trace with hash 478715272, now seen corresponding path program 1 times [2022-07-23 04:23:58,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:23:58,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242123124] [2022-07-23 04:23:58,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:23:58,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:23:58,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:58,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:23:58,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:58,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-23 04:23:58,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:58,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:23:58,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:58,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:23:58,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:58,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 04:23:58,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:58,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:23:58,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:58,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:23:58,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:58,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-23 04:23:58,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:58,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 04:23:58,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:58,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-23 04:23:58,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:58,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-23 04:23:58,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:58,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:23:58,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:58,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 04:23:58,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:58,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-23 04:23:58,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:58,411 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2022-07-23 04:23:58,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:23:58,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242123124] [2022-07-23 04:23:58,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242123124] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:23:58,412 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:23:58,412 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-23 04:23:58,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719177236] [2022-07-23 04:23:58,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:23:58,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-23 04:23:58,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:23:58,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-23 04:23:58,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2022-07-23 04:23:58,414 INFO L87 Difference]: Start difference. First operand 10877 states and 14664 transitions. Second operand has 11 states, 11 states have (on average 4.090909090909091) internal successors, (45), 10 states have internal predecessors, (45), 4 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2022-07-23 04:24:07,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:24:07,439 INFO L93 Difference]: Finished difference Result 14084 states and 19363 transitions. [2022-07-23 04:24:07,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-23 04:24:07,439 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.090909090909091) internal successors, (45), 10 states have internal predecessors, (45), 4 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 99 [2022-07-23 04:24:07,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:24:07,492 INFO L225 Difference]: With dead ends: 14084 [2022-07-23 04:24:07,492 INFO L226 Difference]: Without dead ends: 12430 [2022-07-23 04:24:07,508 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2022-07-23 04:24:07,509 INFO L413 NwaCegarLoop]: 3778 mSDtfsCounter, 2134 mSDsluCounter, 21650 mSDsCounter, 0 mSdLazyCounter, 12498 mSolverCounterSat, 1330 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2396 SdHoareTripleChecker+Valid, 25428 SdHoareTripleChecker+Invalid, 13828 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1330 IncrementalHoareTripleChecker+Valid, 12498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2022-07-23 04:24:07,509 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2396 Valid, 25428 Invalid, 13828 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1330 Valid, 12498 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2022-07-23 04:24:07,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12430 states. [2022-07-23 04:24:08,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12430 to 10796. [2022-07-23 04:24:08,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10796 states, 7335 states have (on average 1.2530334014996591) internal successors, (9191), 7632 states have internal predecessors, (9191), 2632 states have call successors, (2632), 783 states have call predecessors, (2632), 792 states have return successors, (2759), 2538 states have call predecessors, (2759), 2630 states have call successors, (2759) [2022-07-23 04:24:08,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10796 states to 10796 states and 14582 transitions. [2022-07-23 04:24:08,175 INFO L78 Accepts]: Start accepts. Automaton has 10796 states and 14582 transitions. Word has length 99 [2022-07-23 04:24:08,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:24:08,176 INFO L495 AbstractCegarLoop]: Abstraction has 10796 states and 14582 transitions. [2022-07-23 04:24:08,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.090909090909091) internal successors, (45), 10 states have internal predecessors, (45), 4 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2022-07-23 04:24:08,176 INFO L276 IsEmpty]: Start isEmpty. Operand 10796 states and 14582 transitions. [2022-07-23 04:24:08,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-07-23 04:24:08,178 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:24:08,178 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:24:08,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-23 04:24:08,178 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2022-07-23 04:24:08,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:24:08,179 INFO L85 PathProgramCache]: Analyzing trace with hash 762298967, now seen corresponding path program 1 times [2022-07-23 04:24:08,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:24:08,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632928757] [2022-07-23 04:24:08,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:24:08,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:24:08,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:08,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:24:08,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:08,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 04:24:08,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:08,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 04:24:08,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:08,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-23 04:24:08,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:08,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:24:08,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:08,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 04:24:08,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:08,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-23 04:24:08,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:08,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-23 04:24:08,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:08,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-23 04:24:08,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:08,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 04:24:08,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:08,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 04:24:08,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:08,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-23 04:24:08,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:08,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 04:24:08,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:08,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 04:24:08,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:08,381 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-23 04:24:08,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:24:08,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632928757] [2022-07-23 04:24:08,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632928757] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:24:08,382 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:24:08,382 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:24:08,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391857702] [2022-07-23 04:24:08,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:24:08,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:24:08,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:24:08,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:24:08,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:24:08,384 INFO L87 Difference]: Start difference. First operand 10796 states and 14582 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-23 04:24:15,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:24:15,837 INFO L93 Difference]: Finished difference Result 11752 states and 15904 transitions. [2022-07-23 04:24:15,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-23 04:24:15,838 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 96 [2022-07-23 04:24:15,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:24:15,880 INFO L225 Difference]: With dead ends: 11752 [2022-07-23 04:24:15,880 INFO L226 Difference]: Without dead ends: 11750 [2022-07-23 04:24:15,888 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-07-23 04:24:15,888 INFO L413 NwaCegarLoop]: 3122 mSDtfsCounter, 6765 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 4504 mSolverCounterSat, 3636 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6872 SdHoareTripleChecker+Valid, 3960 SdHoareTripleChecker+Invalid, 8140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3636 IncrementalHoareTripleChecker+Valid, 4504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-07-23 04:24:15,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6872 Valid, 3960 Invalid, 8140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3636 Valid, 4504 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2022-07-23 04:24:15,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11750 states. [2022-07-23 04:24:16,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11750 to 11030. [2022-07-23 04:24:16,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11030 states, 7478 states have (on average 1.2487296068467504) internal successors, (9338), 7774 states have internal predecessors, (9338), 2680 states have call successors, (2680), 827 states have call predecessors, (2680), 836 states have return successors, (2807), 2586 states have call predecessors, (2807), 2678 states have call successors, (2807) [2022-07-23 04:24:16,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11030 states to 11030 states and 14825 transitions. [2022-07-23 04:24:16,644 INFO L78 Accepts]: Start accepts. Automaton has 11030 states and 14825 transitions. Word has length 96 [2022-07-23 04:24:16,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:24:16,647 INFO L495 AbstractCegarLoop]: Abstraction has 11030 states and 14825 transitions. [2022-07-23 04:24:16,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-23 04:24:16,648 INFO L276 IsEmpty]: Start isEmpty. Operand 11030 states and 14825 transitions. [2022-07-23 04:24:16,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-07-23 04:24:16,649 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:24:16,649 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:24:16,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-23 04:24:16,650 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_module_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 42 more)] === [2022-07-23 04:24:16,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:24:16,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1936689382, now seen corresponding path program 1 times [2022-07-23 04:24:16,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:24:16,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729352425] [2022-07-23 04:24:16,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:24:16,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:24:16,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:16,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:24:16,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:16,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 04:24:16,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:16,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 04:24:16,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:16,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-23 04:24:16,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:16,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:24:16,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:16,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 04:24:16,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:16,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-23 04:24:16,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:16,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-23 04:24:16,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:16,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-23 04:24:16,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:16,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 04:24:16,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:16,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 04:24:16,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:16,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-23 04:24:16,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:16,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 04:24:16,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:16,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 04:24:16,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:16,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-23 04:24:16,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:16,915 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-23 04:24:16,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:24:16,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729352425] [2022-07-23 04:24:16,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729352425] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:24:16,918 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:24:16,918 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:24:16,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768909816] [2022-07-23 04:24:16,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:24:16,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:24:16,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:24:16,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:24:16,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:24:16,919 INFO L87 Difference]: Start difference. First operand 11030 states and 14825 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 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) [2022-07-23 04:24:31,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:24:31,863 INFO L93 Difference]: Finished difference Result 22733 states and 31150 transitions. [2022-07-23 04:24:31,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-23 04:24:31,863 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 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 102 [2022-07-23 04:24:31,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:24:31,941 INFO L225 Difference]: With dead ends: 22733 [2022-07-23 04:24:31,941 INFO L226 Difference]: Without dead ends: 22731 [2022-07-23 04:24:31,953 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-07-23 04:24:31,953 INFO L413 NwaCegarLoop]: 3267 mSDtfsCounter, 10843 mSDsluCounter, 1145 mSDsCounter, 0 mSdLazyCounter, 9266 mSolverCounterSat, 6066 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10995 SdHoareTripleChecker+Valid, 4412 SdHoareTripleChecker+Invalid, 15332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6066 IncrementalHoareTripleChecker+Valid, 9266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2022-07-23 04:24:31,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10995 Valid, 4412 Invalid, 15332 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6066 Valid, 9266 Invalid, 0 Unknown, 0 Unchecked, 13.5s Time] [2022-07-23 04:24:31,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22731 states. [2022-07-23 04:24:32,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22731 to 21081. [2022-07-23 04:24:32,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21081 states, 14310 states have (on average 1.253109713487072) internal successors, (17932), 14850 states have internal predecessors, (17932), 5153 states have call successors, (5153), 1559 states have call predecessors, (5153), 1582 states have return successors, (5667), 4979 states have call predecessors, (5667), 5151 states have call successors, (5667) [2022-07-23 04:24:33,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21081 states to 21081 states and 28752 transitions. [2022-07-23 04:24:33,137 INFO L78 Accepts]: Start accepts. Automaton has 21081 states and 28752 transitions. Word has length 102 [2022-07-23 04:24:33,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:24:33,138 INFO L495 AbstractCegarLoop]: Abstraction has 21081 states and 28752 transitions. [2022-07-23 04:24:33,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 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) [2022-07-23 04:24:33,138 INFO L276 IsEmpty]: Start isEmpty. Operand 21081 states and 28752 transitions. [2022-07-23 04:24:33,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-07-23 04:24:33,140 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:24:33,140 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2022-07-23 04:24:33,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-23 04:24:33,140 INFO L420 AbstractCegarLoop]: === Iteration 17 === 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 42 more)] === [2022-07-23 04:24:33,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:24:33,141 INFO L85 PathProgramCache]: Analyzing trace with hash -106955744, now seen corresponding path program 1 times [2022-07-23 04:24:33,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:24:33,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109621997] [2022-07-23 04:24:33,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:24:33,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:24:33,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:33,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:24:33,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:33,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-23 04:24:33,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:33,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:24:33,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:33,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:24:33,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:33,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-23 04:24:33,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:33,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-23 04:24:33,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:33,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:24:33,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:33,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 04:24:33,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:33,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 04:24:33,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:33,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-23 04:24:33,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:33,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-23 04:24:33,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:33,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 04:24:33,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:33,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:24:33,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:33,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 04:24:33,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:33,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 04:24:33,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:33,375 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2022-07-23 04:24:33,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:24:33,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109621997] [2022-07-23 04:24:33,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109621997] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:24:33,376 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:24:33,376 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:24:33,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177062207] [2022-07-23 04:24:33,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:24:33,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:24:33,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:24:33,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:24:33,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:24:33,378 INFO L87 Difference]: Start difference. First operand 21081 states and 28752 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) [2022-07-23 04:24:39,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:24:39,458 INFO L93 Difference]: Finished difference Result 24541 states and 34538 transitions. [2022-07-23 04:24:39,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 04:24:39,459 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 106 [2022-07-23 04:24:39,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:24:39,596 INFO L225 Difference]: With dead ends: 24541 [2022-07-23 04:24:39,596 INFO L226 Difference]: Without dead ends: 24539 [2022-07-23 04:24:39,605 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-23 04:24:39,605 INFO L413 NwaCegarLoop]: 3856 mSDtfsCounter, 4781 mSDsluCounter, 6911 mSDsCounter, 0 mSdLazyCounter, 4415 mSolverCounterSat, 1652 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5213 SdHoareTripleChecker+Valid, 10767 SdHoareTripleChecker+Invalid, 6067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1652 IncrementalHoareTripleChecker+Valid, 4415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-07-23 04:24:39,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5213 Valid, 10767 Invalid, 6067 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1652 Valid, 4415 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-07-23 04:24:39,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24539 states. [2022-07-23 04:24:40,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24539 to 22435. [2022-07-23 04:24:40,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22435 states, 15299 states have (on average 1.2641349107784823) internal successors, (19340), 15918 states have internal predecessors, (19340), 5445 states have call successors, (5445), 1559 states have call predecessors, (5445), 1656 states have return successors, (6326), 5307 states have call predecessors, (6326), 5443 states have call successors, (6326) [2022-07-23 04:24:40,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22435 states to 22435 states and 31111 transitions. [2022-07-23 04:24:40,812 INFO L78 Accepts]: Start accepts. Automaton has 22435 states and 31111 transitions. Word has length 106 [2022-07-23 04:24:40,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:24:40,813 INFO L495 AbstractCegarLoop]: Abstraction has 22435 states and 31111 transitions. [2022-07-23 04:24:40,814 INFO L496 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) [2022-07-23 04:24:40,814 INFO L276 IsEmpty]: Start isEmpty. Operand 22435 states and 31111 transitions. [2022-07-23 04:24:40,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-07-23 04:24:40,816 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:24:40,816 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:24:40,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-23 04:24:40,816 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_kernel_rcu_update_lock_bh_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 42 more)] === [2022-07-23 04:24:40,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:24:40,817 INFO L85 PathProgramCache]: Analyzing trace with hash -753317812, now seen corresponding path program 1 times [2022-07-23 04:24:40,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:24:40,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690214856] [2022-07-23 04:24:40,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:24:40,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:24:40,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:40,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:24:40,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:40,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 04:24:40,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:40,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 04:24:40,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:40,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-23 04:24:40,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:40,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:24:40,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:40,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 04:24:40,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:40,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-23 04:24:40,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:40,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-23 04:24:40,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:40,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-23 04:24:40,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:41,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 04:24:41,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:41,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 04:24:41,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:41,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-23 04:24:41,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:41,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 04:24:41,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:41,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 04:24:41,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:41,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-23 04:24:41,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:41,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 04:24:41,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:41,057 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-23 04:24:41,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:24:41,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690214856] [2022-07-23 04:24:41,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690214856] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:24:41,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:24:41,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:24:41,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022165450] [2022-07-23 04:24:41,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:24:41,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:24:41,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:24:41,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:24:41,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:24:41,059 INFO L87 Difference]: Start difference. First operand 22435 states and 31111 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (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) [2022-07-23 04:24:49,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:24:49,573 INFO L93 Difference]: Finished difference Result 23867 states and 33305 transitions. [2022-07-23 04:24:49,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 04:24:49,574 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (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 108 [2022-07-23 04:24:49,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:24:49,640 INFO L225 Difference]: With dead ends: 23867 [2022-07-23 04:24:49,640 INFO L226 Difference]: Without dead ends: 23865 [2022-07-23 04:24:49,650 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-23 04:24:49,651 INFO L413 NwaCegarLoop]: 3130 mSDtfsCounter, 6690 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 4384 mSolverCounterSat, 3577 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6800 SdHoareTripleChecker+Valid, 3968 SdHoareTripleChecker+Invalid, 7961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3577 IncrementalHoareTripleChecker+Valid, 4384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-07-23 04:24:49,651 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6800 Valid, 3968 Invalid, 7961 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3577 Valid, 4384 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2022-07-23 04:24:49,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23865 states. [2022-07-23 04:24:50,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23865 to 22433. [2022-07-23 04:24:50,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22433 states, 15298 states have (on average 1.264021440711204) internal successors, (19337), 15916 states have internal predecessors, (19337), 5445 states have call successors, (5445), 1559 states have call predecessors, (5445), 1656 states have return successors, (6326), 5307 states have call predecessors, (6326), 5443 states have call successors, (6326) [2022-07-23 04:24:50,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22433 states to 22433 states and 31108 transitions. [2022-07-23 04:24:50,774 INFO L78 Accepts]: Start accepts. Automaton has 22433 states and 31108 transitions. Word has length 108 [2022-07-23 04:24:50,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:24:50,775 INFO L495 AbstractCegarLoop]: Abstraction has 22433 states and 31108 transitions. [2022-07-23 04:24:50,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (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) [2022-07-23 04:24:50,775 INFO L276 IsEmpty]: Start isEmpty. Operand 22433 states and 31108 transitions. [2022-07-23 04:24:50,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-23 04:24:50,777 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:24:50,777 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:24:50,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-23 04:24:50,777 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_kernel_rcu_update_lock_sched_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 42 more)] === [2022-07-23 04:24:50,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:24:50,778 INFO L85 PathProgramCache]: Analyzing trace with hash 585604035, now seen corresponding path program 1 times [2022-07-23 04:24:50,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:24:50,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614239464] [2022-07-23 04:24:50,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:24:50,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:24:50,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:50,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:24:50,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:50,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 04:24:50,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:50,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 04:24:50,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:50,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-23 04:24:50,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:50,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:24:50,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:50,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 04:24:50,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:50,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-23 04:24:50,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:50,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-23 04:24:50,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:50,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-23 04:24:50,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:50,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 04:24:50,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:50,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 04:24:50,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:50,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-23 04:24:50,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:50,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 04:24:50,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:51,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 04:24:51,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:51,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-23 04:24:51,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:51,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 04:24:51,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:51,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 04:24:51,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:24:51,052 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-23 04:24:51,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:24:51,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614239464] [2022-07-23 04:24:51,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614239464] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:24:51,053 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:24:51,053 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:24:51,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913388809] [2022-07-23 04:24:51,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:24:51,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:24:51,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:24:51,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:24:51,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:24:51,056 INFO L87 Difference]: Start difference. First operand 22433 states and 31108 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (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) [2022-07-23 04:24:59,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:24:59,311 INFO L93 Difference]: Finished difference Result 23865 states and 33302 transitions. [2022-07-23 04:24:59,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 04:24:59,312 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (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 114 [2022-07-23 04:24:59,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:24:59,396 INFO L225 Difference]: With dead ends: 23865 [2022-07-23 04:24:59,397 INFO L226 Difference]: Without dead ends: 23863 [2022-07-23 04:24:59,410 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-23 04:24:59,411 INFO L413 NwaCegarLoop]: 3176 mSDtfsCounter, 6594 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 4430 mSolverCounterSat, 3568 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6703 SdHoareTripleChecker+Valid, 4014 SdHoareTripleChecker+Invalid, 7998 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3568 IncrementalHoareTripleChecker+Valid, 4430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-07-23 04:24:59,411 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6703 Valid, 4014 Invalid, 7998 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3568 Valid, 4430 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2022-07-23 04:24:59,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23863 states. [2022-07-23 04:25:00,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23863 to 22431. [2022-07-23 04:25:00,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22431 states, 15297 states have (on average 1.2639079558083284) internal successors, (19334), 15914 states have internal predecessors, (19334), 5445 states have call successors, (5445), 1559 states have call predecessors, (5445), 1656 states have return successors, (6326), 5307 states have call predecessors, (6326), 5443 states have call successors, (6326) [2022-07-23 04:25:00,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22431 states to 22431 states and 31105 transitions. [2022-07-23 04:25:00,462 INFO L78 Accepts]: Start accepts. Automaton has 22431 states and 31105 transitions. Word has length 114 [2022-07-23 04:25:00,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:25:00,462 INFO L495 AbstractCegarLoop]: Abstraction has 22431 states and 31105 transitions. [2022-07-23 04:25:00,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (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) [2022-07-23 04:25:00,462 INFO L276 IsEmpty]: Start isEmpty. Operand 22431 states and 31105 transitions. [2022-07-23 04:25:00,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-07-23 04:25:00,464 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:25:00,464 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:25:00,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-23 04:25:00,464 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_kernel_rcu_update_lock_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 42 more)] === [2022-07-23 04:25:00,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:25:00,465 INFO L85 PathProgramCache]: Analyzing trace with hash -1365025461, now seen corresponding path program 1 times [2022-07-23 04:25:00,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 04:25:00,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20210864] [2022-07-23 04:25:00,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:25:00,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 04:25:00,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:25:00,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 04:25:00,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:25:00,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 04:25:00,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:25:00,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 04:25:00,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:25:00,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-23 04:25:00,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:25:00,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 04:25:00,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:25:00,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 04:25:00,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:25:00,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-23 04:25:00,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:25:00,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-23 04:25:00,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:25:00,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-23 04:25:00,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:25:00,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 04:25:00,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:25:00,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 04:25:00,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:25:00,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-23 04:25:00,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:25:00,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 04:25:00,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:25:00,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 04:25:00,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:25:00,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-23 04:25:00,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:25:00,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 04:25:00,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:25:00,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 04:25:00,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:25:00,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-23 04:25:00,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:25:00,697 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-23 04:25:00,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 04:25:00,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20210864] [2022-07-23 04:25:00,698 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20210864] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:25:00,698 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:25:00,698 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:25:00,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818471572] [2022-07-23 04:25:00,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:25:00,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:25:00,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 04:25:00,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:25:00,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:25:00,700 INFO L87 Difference]: Start difference. First operand 22431 states and 31105 transitions. Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (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)