./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 eb692b52 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-?-eb692b5 [2022-07-20 04:06:31,606 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 04:06:31,608 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 04:06:31,658 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 04:06:31,659 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 04:06:31,660 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 04:06:31,662 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 04:06:31,664 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 04:06:31,666 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 04:06:31,670 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 04:06:31,671 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 04:06:31,673 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 04:06:31,673 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 04:06:31,675 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 04:06:31,676 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 04:06:31,680 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 04:06:31,681 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 04:06:31,683 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 04:06:31,684 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 04:06:31,691 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 04:06:31,692 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 04:06:31,693 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 04:06:31,694 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 04:06:31,695 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 04:06:31,696 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 04:06:31,699 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 04:06:31,699 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 04:06:31,700 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 04:06:31,701 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 04:06:31,701 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 04:06:31,702 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 04:06:31,702 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 04:06:31,704 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 04:06:31,705 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 04:06:31,705 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 04:06:31,706 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 04:06:31,706 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 04:06:31,707 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 04:06:31,707 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 04:06:31,707 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 04:06:31,708 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 04:06:31,710 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 04:06:31,710 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 04:06:31,740 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 04:06:31,740 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 04:06:31,741 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 04:06:31,741 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 04:06:31,742 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 04:06:31,742 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 04:06:31,742 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 04:06:31,742 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 04:06:31,743 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 04:06:31,744 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 04:06:31,744 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 04:06:31,744 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 04:06:31,744 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 04:06:31,744 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 04:06:31,745 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 04:06:31,745 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 04:06:31,745 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 04:06:31,745 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 04:06:31,745 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 04:06:31,746 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 04:06:31,747 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 04:06:31,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 04:06:31,747 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 04:06:31,747 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 04:06:31,748 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 04:06:31,748 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 04:06:31,748 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 04:06:31,748 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 04:06:31,748 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 04:06:31,749 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 04:06:31,749 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8c1c69a9209f2e1e672b4301b3aeef542d8617026686dc57b4ac44c2de1cbfb [2022-07-20 04:06:31,995 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 04:06:32,018 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 04:06:32,020 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 04:06:32,021 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 04:06:32,022 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 04:06:32,023 INFO L432 ainManager$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 [2022-07-20 04:06:32,079 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87e3f2be8/30cd6ec0639f4ba89c055bdab1ce43c4/FLAG6f1fd1b41 [2022-07-20 04:06:32,897 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 04:06:32,898 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 [2022-07-20 04:06:32,954 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87e3f2be8/30cd6ec0639f4ba89c055bdab1ce43c4/FLAG6f1fd1b41 [2022-07-20 04:06:33,389 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87e3f2be8/30cd6ec0639f4ba89c055bdab1ce43c4 [2022-07-20 04:06:33,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 04:06:33,393 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 04:06:33,394 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 04:06:33,394 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 04:06:33,397 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 04:06:33,397 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:06:33" (1/1) ... [2022-07-20 04:06:33,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@428d8773 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:06:33, skipping insertion in model container [2022-07-20 04:06:33,398 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:06:33" (1/1) ... [2022-07-20 04:06:33,404 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 04:06:33,570 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 04:06:38,442 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,450 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,451 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490226,490239] [2022-07-20 04:06:38,452 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,452 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,453 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490707,490720] [2022-07-20 04:06:38,453 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490865,490878] [2022-07-20 04:06:38,454 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491025,491038] [2022-07-20 04:06:38,457 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491184,491197] [2022-07-20 04:06:38,458 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491323,491336] [2022-07-20 04:06:38,458 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491465,491478] [2022-07-20 04:06:38,459 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491614,491627] [2022-07-20 04:06:38,459 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491753,491766] [2022-07-20 04:06:38,460 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491908,491921] [2022-07-20 04:06:38,460 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492068,492081] [2022-07-20 04:06:38,460 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492219,492232] [2022-07-20 04:06:38,461 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,461 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,462 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492671,492684] [2022-07-20 04:06:38,464 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,464 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,464 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,465 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493281,493294] [2022-07-20 04:06:38,465 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493434,493447] [2022-07-20 04:06:38,467 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493580,493593] [2022-07-20 04:06:38,467 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493723,493736] [2022-07-20 04:06:38,468 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493875,493888] [2022-07-20 04:06:38,468 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494021,494034] [2022-07-20 04:06:38,468 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494166,494179] [2022-07-20 04:06:38,469 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494320,494333] [2022-07-20 04:06:38,470 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,471 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,471 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,472 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,472 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,473 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495253,495266] [2022-07-20 04:06:38,473 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495417,495430] [2022-07-20 04:06:38,473 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495559,495572] [2022-07-20 04:06:38,474 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495717,495730] [2022-07-20 04:06:38,474 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495884,495897] [2022-07-20 04:06:38,475 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[496043,496056] [2022-07-20 04:06:38,475 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[496202,496215] [2022-07-20 04:06:38,476 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[496351,496364] [2022-07-20 04:06:38,476 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[496498,496511] [2022-07-20 04:06:38,476 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[496637,496650] [2022-07-20 04:06:38,477 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[496800,496813] [2022-07-20 04:06:38,477 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[496966,496979] [2022-07-20 04:06:38,478 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[497130,497143] [2022-07-20 04:06:38,478 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[497295,497308] [2022-07-20 04:06:38,479 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[497460,497473] [2022-07-20 04:06:38,479 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[497626,497639] [2022-07-20 04:06:38,479 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[497791,497804] [2022-07-20 04:06:38,480 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[497958,497971] [2022-07-20 04:06:38,480 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[498118,498131] [2022-07-20 04:06:38,480 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[498280,498293] [2022-07-20 04:06:38,481 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[498439,498452] [2022-07-20 04:06:38,481 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[498585,498598] [2022-07-20 04:06:38,481 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[498728,498741] [2022-07-20 04:06:38,482 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[498872,498885] [2022-07-20 04:06:38,482 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[499015,499028] [2022-07-20 04:06:38,482 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[499159,499172] [2022-07-20 04:06:38,483 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[499300,499313] [2022-07-20 04:06:38,484 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[499438,499451] [2022-07-20 04:06:38,484 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[499596,499609] [2022-07-20 04:06:38,485 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[499755,499768] [2022-07-20 04:06:38,485 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[499911,499924] [2022-07-20 04:06:38,485 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[500060,500073] [2022-07-20 04:06:38,486 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[500212,500225] [2022-07-20 04:06:38,486 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[500363,500376] [2022-07-20 04:06:38,486 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[500512,500525] [2022-07-20 04:06:38,487 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[500664,500677] [2022-07-20 04:06:38,487 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[500812,500825] [2022-07-20 04:06:38,487 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[500965,500978] [2022-07-20 04:06:38,488 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[501116,501129] [2022-07-20 04:06:38,488 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[501266,501279] [2022-07-20 04:06:38,488 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[501413,501426] [2022-07-20 04:06:38,489 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[501564,501577] [2022-07-20 04:06:38,489 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[501715,501728] [2022-07-20 04:06:38,490 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[501863,501876] [2022-07-20 04:06:38,491 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[502029,502042] [2022-07-20 04:06:38,491 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[502198,502211] [2022-07-20 04:06:38,491 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[502365,502378] [2022-07-20 04:06:38,492 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[502533,502546] [2022-07-20 04:06:38,492 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[502683,502696] [2022-07-20 04:06:38,492 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[502830,502843] [2022-07-20 04:06:38,493 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[502991,503004] [2022-07-20 04:06:38,493 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[503161,503174] [2022-07-20 04:06:38,493 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[503323,503336] [2022-07-20 04:06:38,514 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 04:06:38,553 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 04:06:38,924 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[489935,489948] [2022-07-20 04:06:38,927 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490080,490093] [2022-07-20 04:06:38,931 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,932 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,932 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,933 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,934 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,934 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,935 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,935 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,936 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,936 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,936 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,937 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,937 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,937 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,938 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,938 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,938 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,939 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,939 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,940 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,944 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,945 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,945 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,946 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[493723,493736] [2022-07-20 04:06:38,946 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[493875,493888] [2022-07-20 04:06:38,946 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[494021,494034] [2022-07-20 04:06:38,947 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,947 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,947 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,948 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,948 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,949 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,949 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,949 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,950 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,950 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,950 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,951 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,952 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,952 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,953 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[496351,496364] [2022-07-20 04:06:38,953 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[496498,496511] [2022-07-20 04:06:38,953 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[496637,496650] [2022-07-20 04:06:38,954 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[496800,496813] [2022-07-20 04:06:38,954 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[496966,496979] [2022-07-20 04:06:38,954 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[497130,497143] [2022-07-20 04:06:38,955 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,955 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,956 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,956 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,956 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,957 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,957 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,957 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,958 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,958 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,958 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,959 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,959 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,960 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,961 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[499438,499451] [2022-07-20 04:06:38,964 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[499596,499609] [2022-07-20 04:06:38,964 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[499755,499768] [2022-07-20 04:06:38,968 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[499911,499924] [2022-07-20 04:06:38,968 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[500060,500073] [2022-07-20 04:06:38,970 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[500212,500225] [2022-07-20 04:06:38,970 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[500363,500376] [2022-07-20 04:06:38,970 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[500512,500525] [2022-07-20 04:06:38,971 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[500664,500677] [2022-07-20 04:06:38,971 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[500812,500825] [2022-07-20 04:06:38,976 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,977 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[501116,501129] [2022-07-20 04:06:38,977 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[501266,501279] [2022-07-20 04:06:38,978 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[501413,501426] [2022-07-20 04:06:38,978 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[501564,501577] [2022-07-20 04:06:38,978 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[501715,501728] [2022-07-20 04:06:38,979 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[501863,501876] [2022-07-20 04:06:38,980 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[502029,502042] [2022-07-20 04:06:38,980 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[502198,502211] [2022-07-20 04:06:38,981 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,981 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,982 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[502683,502696] [2022-07-20 04:06:38,982 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[502830,502843] [2022-07-20 04:06:38,982 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[502991,503004] [2022-07-20 04:06:38,983 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,983 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the 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] [2022-07-20 04:06:38,988 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 04:06:39,275 INFO L208 MainTranslator]: Completed translation [2022-07-20 04:06:39,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:06:39 WrapperNode [2022-07-20 04:06:39,276 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 04:06:39,277 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 04:06:39,277 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 04:06:39,277 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 04:06:39,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:06:39" (1/1) ... [2022-07-20 04:06:39,402 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:06:39" (1/1) ... [2022-07-20 04:06:39,617 INFO L137 Inliner]: procedures = 776, calls = 2915, calls flagged for inlining = 349, calls inlined = 276, statements flattened = 7326 [2022-07-20 04:06:39,618 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 04:06:39,618 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 04:06:39,619 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 04:06:39,619 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 04:06:39,627 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:06:39" (1/1) ... [2022-07-20 04:06:39,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:06:39" (1/1) ... [2022-07-20 04:06:39,681 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:06:39" (1/1) ... [2022-07-20 04:06:39,691 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:06:39" (1/1) ... [2022-07-20 04:06:39,831 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:06:39" (1/1) ... [2022-07-20 04:06:39,849 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:06:39" (1/1) ... [2022-07-20 04:06:39,884 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:06:39" (1/1) ... [2022-07-20 04:06:40,039 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 04:06:40,040 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 04:06:40,040 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 04:06:40,041 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 04:06:40,041 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:06:39" (1/1) ... [2022-07-20 04:06:40,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 04:06:40,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 04:06:40,073 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) [2022-07-20 04:06:40,095 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 [2022-07-20 04:06:40,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2022-07-20 04:06:40,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2022-07-20 04:06:40,109 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-07-20 04:06:40,109 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-07-20 04:06:40,109 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-07-20 04:06:40,109 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-07-20 04:06:40,110 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-07-20 04:06:40,110 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2022-07-20 04:06:40,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2022-07-20 04:06:40,110 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2022-07-20 04:06:40,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2022-07-20 04:06:40,110 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-20 04:06:40,110 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-20 04:06:40,110 INFO L130 BoogieDeclarations]: Found specification of procedure bpf_prog_destroy [2022-07-20 04:06:40,110 INFO L138 BoogieDeclarations]: Found implementation of procedure bpf_prog_destroy [2022-07-20 04:06:40,111 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2022-07-20 04:06:40,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2022-07-20 04:06:40,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-07-20 04:06:40,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-07-20 04:06:40,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-20 04:06:40,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-20 04:06:40,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__double_init [2022-07-20 04:06:40,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__double_init [2022-07-20 04:06:40,112 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2022-07-20 04:06:40,112 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2022-07-20 04:06:40,112 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-07-20 04:06:40,112 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-07-20 04:06:40,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-07-20 04:06:40,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-07-20 04:06:40,112 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-20 04:06:40,112 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-20 04:06:40,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-20 04:06:40,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-20 04:06:40,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-07-20 04:06:40,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-07-20 04:06:40,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-20 04:06:40,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-07-20 04:06:40,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-07-20 04:06:40,113 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-07-20 04:06:40,114 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-07-20 04:06:40,114 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_output_wakeup [2022-07-20 04:06:40,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_output_wakeup [2022-07-20 04:06:40,114 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-07-20 04:06:40,114 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-07-20 04:06:40,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-07-20 04:06:40,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-07-20 04:06:40,114 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2022-07-20 04:06:40,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2022-07-20 04:06:40,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 04:06:40,115 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-20 04:06:40,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-20 04:06:40,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 04:06:40,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__not_initialized [2022-07-20 04:06:40,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__not_initialized [2022-07-20 04:06:40,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_read_unlock [2022-07-20 04:06:40,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_read_unlock [2022-07-20 04:06:40,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-20 04:06:40,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-20 04:06:40,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 04:06:40,116 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-20 04:06:40,116 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-07-20 04:06:40,116 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-07-20 04:06:40,116 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-07-20 04:06:40,116 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-07-20 04:06:40,117 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-07-20 04:06:40,117 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-07-20 04:06:40,117 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-07-20 04:06:40,117 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-07-20 04:06:40,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-20 04:06:40,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-20 04:06:40,117 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ioctl [2022-07-20 04:06:40,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ioctl [2022-07-20 04:06:40,121 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2022-07-20 04:06:40,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2022-07-20 04:06:40,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_198 [2022-07-20 04:06:40,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_198 [2022-07-20 04:06:40,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 04:06:40,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 04:06:40,122 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-20 04:06:40,122 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-20 04:06:40,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 04:06:40,124 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-07-20 04:06:40,124 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-07-20 04:06:40,124 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2022-07-20 04:06:40,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2022-07-20 04:06:40,124 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2022-07-20 04:06:40,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2022-07-20 04:06:40,124 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-20 04:06:40,124 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-20 04:06:40,125 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2022-07-20 04:06:40,125 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2022-07-20 04:06:40,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 04:06:40,125 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 04:06:40,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-07-20 04:06:40,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-07-20 04:06:40,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-07-20 04:06:40,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-07-20 04:06:40,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 04:06:40,126 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-20 04:06:40,126 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-20 04:06:40,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-07-20 04:06:40,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-07-20 04:06:40,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_base_class__double_registration [2022-07-20 04:06:40,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_base_class__double_registration [2022-07-20 04:06:40,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 04:06:40,126 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_send_frame [2022-07-20 04:06:40,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_send_frame [2022-07-20 04:06:40,127 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_error [2022-07-20 04:06:40,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_error [2022-07-20 04:06:40,127 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2022-07-20 04:06:40,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2022-07-20 04:06:40,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_module_put [2022-07-20 04:06:40,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_module_put [2022-07-20 04:06:40,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_idr_alloc_p [2022-07-20 04:06:40,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_idr_alloc_p [2022-07-20 04:06:40,128 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-20 04:06:40,128 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-20 04:06:40,128 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2022-07-20 04:06:40,128 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2022-07-20 04:06:40,128 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2022-07-20 04:06:40,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2022-07-20 04:06:40,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-20 04:06:40,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-20 04:06:40,129 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_dev_init [2022-07-20 04:06:40,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_dev_init [2022-07-20 04:06:40,129 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-20 04:06:40,129 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-20 04:06:40,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-07-20 04:06:40,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-07-20 04:06:40,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-07-20 04:06:40,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-07-20 04:06:40,130 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2022-07-20 04:06:40,130 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2022-07-20 04:06:40,130 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2022-07-20 04:06:40,130 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2022-07-20 04:06:40,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-20 04:06:40,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-20 04:06:40,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-20 04:06:40,131 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-07-20 04:06:40,131 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-07-20 04:06:40,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 04:06:40,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 04:06:40,131 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2022-07-20 04:06:40,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2022-07-20 04:06:40,131 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-20 04:06:40,132 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-20 04:06:40,132 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-20 04:06:40,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-20 04:06:40,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_all_ppp_mutex_of_ppp_net [2022-07-20 04:06:40,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_all_ppp_mutex_of_ppp_net [2022-07-20 04:06:40,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2022-07-20 04:06:40,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2022-07-20 04:06:40,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2022-07-20 04:06:40,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2022-07-20 04:06:40,133 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2022-07-20 04:06:40,133 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2022-07-20 04:06:40,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-07-20 04:06:40,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-07-20 04:06:40,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 04:06:40,133 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 04:06:40,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_159 [2022-07-20 04:06:40,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_159 [2022-07-20 04:06:40,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 04:06:40,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 04:06:40,134 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2022-07-20 04:06:40,134 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2022-07-20 04:06:40,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-07-20 04:06:40,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-07-20 04:06:40,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-07-20 04:06:40,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-07-20 04:06:40,134 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-20 04:06:40,135 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-20 04:06:40,135 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2022-07-20 04:06:40,135 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2022-07-20 04:06:40,135 INFO L130 BoogieDeclarations]: Found specification of procedure bpf_prog_create [2022-07-20 04:06:40,135 INFO L138 BoogieDeclarations]: Found implementation of procedure bpf_prog_create [2022-07-20 04:06:40,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-20 04:06:40,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-20 04:06:40,135 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-07-20 04:06:40,136 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-07-20 04:06:40,136 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-20 04:06:40,136 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-20 04:06:40,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 04:06:40,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 04:06:40,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-07-20 04:06:40,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-07-20 04:06:40,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 04:06:40,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_write_unlock [2022-07-20 04:06:40,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_write_unlock [2022-07-20 04:06:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-20 04:06:40,137 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-20 04:06:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2022-07-20 04:06:40,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2022-07-20 04:06:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-20 04:06:40,137 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-20 04:06:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_197 [2022-07-20 04:06:40,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_197 [2022-07-20 04:06:40,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-20 04:06:40,138 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-20 04:06:40,138 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-20 04:06:40,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_153 [2022-07-20 04:06:40,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_153 [2022-07-20 04:06:40,138 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-20 04:06:40,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-20 04:06:40,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-20 04:06:40,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-07-20 04:06:40,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-07-20 04:06:40,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-07-20 04:06:40,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-07-20 04:06:40,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-07-20 04:06:40,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-07-20 04:06:40,139 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2022-07-20 04:06:40,139 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2022-07-20 04:06:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_do_recv [2022-07-20 04:06:40,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_do_recv [2022-07-20 04:06:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_166 [2022-07-20 04:06:40,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_166 [2022-07-20 04:06:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__more_at_exit [2022-07-20 04:06:40,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__more_at_exit [2022-07-20 04:06:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-20 04:06:40,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-20 04:06:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2022-07-20 04:06:40,141 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2022-07-20 04:06:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_131 [2022-07-20 04:06:40,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_131 [2022-07-20 04:06:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_132 [2022-07-20 04:06:40,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_132 [2022-07-20 04:06:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_fs_char_dev__double_registration [2022-07-20 04:06:40,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_fs_char_dev__double_registration [2022-07-20 04:06:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-07-20 04:06:40,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-07-20 04:06:40,142 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2022-07-20 04:06:40,142 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2022-07-20 04:06:40,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_ppp_mutex [2022-07-20 04:06:40,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_ppp_mutex [2022-07-20 04:06:40,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__destroyed_before_usage [2022-07-20 04:06:40,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__destroyed_before_usage [2022-07-20 04:06:40,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_write_lock [2022-07-20 04:06:40,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_write_lock [2022-07-20 04:06:40,145 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_init_net [2022-07-20 04:06:40,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_init_net [2022-07-20 04:06:40,145 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 04:06:40,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 04:06:40,146 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-20 04:06:40,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-20 04:06:40,146 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-20 04:06:40,146 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-20 04:06:40,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-07-20 04:06:40,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-07-20 04:06:40,146 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2022-07-20 04:06:40,147 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2022-07-20 04:06:40,147 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2022-07-20 04:06:40,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2022-07-20 04:06:40,147 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-20 04:06:40,147 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-20 04:06:40,147 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-07-20 04:06:40,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-07-20 04:06:40,147 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2022-07-20 04:06:40,148 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2022-07-20 04:06:40,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 04:06:40,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 04:06:40,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 04:06:40,148 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_setup [2022-07-20 04:06:40,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_setup [2022-07-20 04:06:40,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-20 04:06:40,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-20 04:06:40,148 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-20 04:06:40,149 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-20 04:06:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2022-07-20 04:06:40,149 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2022-07-20 04:06:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-20 04:06:40,149 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-20 04:06:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2022-07-20 04:06:40,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2022-07-20 04:06:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-20 04:06:40,149 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-20 04:06:40,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_all_ppp_mutex_of_ppp_net [2022-07-20 04:06:40,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_all_ppp_mutex_of_ppp_net [2022-07-20 04:06:40,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 04:06:40,150 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-20 04:06:40,150 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-20 04:06:40,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_167 [2022-07-20 04:06:40,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_167 [2022-07-20 04:06:40,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_read_lock [2022-07-20 04:06:40,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_read_lock [2022-07-20 04:06:40,151 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-07-20 04:06:40,151 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-07-20 04:06:40,151 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-20 04:06:40,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-20 04:06:40,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-07-20 04:06:40,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-07-20 04:06:40,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_154 [2022-07-20 04:06:40,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_154 [2022-07-20 04:06:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-20 04:06:40,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-20 04:06:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2022-07-20 04:06:40,152 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_device [2022-07-20 04:06:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2022-07-20 04:06:40,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2022-07-20 04:06:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_ppp_mutex [2022-07-20 04:06:40,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_ppp_mutex [2022-07-20 04:06:40,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-20 04:06:40,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-20 04:06:40,153 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-20 04:06:40,153 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-20 04:06:40,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_133 [2022-07-20 04:06:40,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_133 [2022-07-20 04:06:40,153 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2022-07-20 04:06:40,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2022-07-20 04:06:40,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_134 [2022-07-20 04:06:40,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_134 [2022-07-20 04:06:40,154 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2022-07-20 04:06:40,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_channel [2022-07-20 04:06:40,154 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2022-07-20 04:06:40,154 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2022-07-20 04:06:40,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-07-20 04:06:40,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-07-20 04:06:40,154 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 04:06:40,155 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 04:06:40,155 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2022-07-20 04:06:40,155 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2022-07-20 04:06:40,155 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_nonmp_frame [2022-07-20 04:06:40,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_nonmp_frame [2022-07-20 04:06:40,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-07-20 04:06:40,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-07-20 04:06:40,155 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-07-20 04:06:40,155 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-07-20 04:06:40,156 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-07-20 04:06:40,156 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-07-20 04:06:40,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-07-20 04:06:40,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-07-20 04:06:40,156 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-20 04:06:40,156 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-20 04:06:40,156 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-20 04:06:40,156 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-20 04:06:40,157 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2022-07-20 04:06:40,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2022-07-20 04:06:40,157 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-20 04:06:40,157 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-20 04:06:40,157 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2022-07-20 04:06:40,157 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2022-07-20 04:06:40,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-20 04:06:40,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-20 04:06:40,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-07-20 04:06:40,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-07-20 04:06:40,158 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_register_net_channel [2022-07-20 04:06:40,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_register_net_channel [2022-07-20 04:06:40,158 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_mp_explode [2022-07-20 04:06:40,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_mp_explode [2022-07-20 04:06:40,158 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-20 04:06:40,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-20 04:06:40,158 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_poll [2022-07-20 04:06:40,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_poll [2022-07-20 04:06:40,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 04:06:40,159 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-20 04:06:40,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-20 04:06:41,107 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 04:06:41,113 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 04:06:41,315 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 04:06:44,993 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 04:06:45,012 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 04:06:45,012 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2022-07-20 04:06:45,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:06:45 BoogieIcfgContainer [2022-07-20 04:06:45,018 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 04:06:45,020 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 04:06:45,020 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 04:06:45,027 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 04:06:45,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 04:06:33" (1/3) ... [2022-07-20 04:06:45,028 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7836b65c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:06:45, skipping insertion in model container [2022-07-20 04:06:45,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:06:39" (2/3) ... [2022-07-20 04:06:45,029 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7836b65c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:06:45, skipping insertion in model container [2022-07-20 04:06:45,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:06:45" (3/3) ... [2022-07-20 04:06:45,030 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i [2022-07-20 04:06:45,044 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 04:06:45,045 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2022-07-20 04:06:45,145 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 04:06:45,150 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@121b431b, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@133f9c49 [2022-07-20 04:06:45,150 INFO L358 AbstractCegarLoop]: Starting to check reachability of 44 error locations. [2022-07-20 04:06:45,162 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) [2022-07-20 04:06:45,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-07-20 04:06:45,170 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:06:45,170 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] [2022-07-20 04:06:45,171 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)] === [2022-07-20 04:06:45,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:06:45,176 INFO L85 PathProgramCache]: Analyzing trace with hash -557576269, now seen corresponding path program 1 times [2022-07-20 04:06:45,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:06:45,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99100886] [2022-07-20 04:06:45,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:06:45,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:06:45,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:45,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:06:45,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:45,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-20 04:06:45,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:45,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:06:45,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:45,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:06:45,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:45,823 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-20 04:06:45,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:06:45,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99100886] [2022-07-20 04:06:45,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99100886] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:06:45,826 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:06:45,826 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 04:06:45,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462201612] [2022-07-20 04:06:45,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:06:45,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 04:06:45,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:06:45,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 04:06:45,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-20 04:06:45,866 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) [2022-07-20 04:06:46,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:06:46,331 INFO L93 Difference]: Finished difference Result 7914 states and 11535 transitions. [2022-07-20 04:06:46,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 04:06:46,334 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 [2022-07-20 04:06:46,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:06:46,448 INFO L225 Difference]: With dead ends: 7914 [2022-07-20 04:06:46,451 INFO L226 Difference]: Without dead ends: 5221 [2022-07-20 04:06:46,473 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 [2022-07-20 04:06:46,476 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 [2022-07-20 04:06:46,476 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] [2022-07-20 04:06:46,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5221 states. [2022-07-20 04:06:46,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5221 to 5128. [2022-07-20 04:06:46,745 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) [2022-07-20 04:06:46,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5128 states to 5128 states and 7030 transitions. [2022-07-20 04:06:46,793 INFO L78 Accepts]: Start accepts. Automaton has 5128 states and 7030 transitions. Word has length 34 [2022-07-20 04:06:46,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:06:46,794 INFO L495 AbstractCegarLoop]: Abstraction has 5128 states and 7030 transitions. [2022-07-20 04:06:46,794 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) [2022-07-20 04:06:46,795 INFO L276 IsEmpty]: Start isEmpty. Operand 5128 states and 7030 transitions. [2022-07-20 04:06:46,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-07-20 04:06:46,798 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:06:46,798 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] [2022-07-20 04:06:46,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 04:06:46,799 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)] === [2022-07-20 04:06:46,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:06:46,799 INFO L85 PathProgramCache]: Analyzing trace with hash -969627705, now seen corresponding path program 1 times [2022-07-20 04:06:46,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:06:46,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628841408] [2022-07-20 04:06:46,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:06:46,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:06:46,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:47,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:06:47,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:47,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-20 04:06:47,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:47,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:06:47,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:47,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:06:47,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:47,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-20 04:06:47,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:47,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:06:47,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:47,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:06:47,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:47,093 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-20 04:06:47,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:06:47,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628841408] [2022-07-20 04:06:47,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628841408] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:06:47,094 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:06:47,094 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 04:06:47,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802457114] [2022-07-20 04:06:47,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:06:47,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 04:06:47,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:06:47,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 04:06:47,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-20 04:06:47,097 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) [2022-07-20 04:06:47,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:06:47,286 INFO L93 Difference]: Finished difference Result 5128 states and 7030 transitions. [2022-07-20 04:06:47,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 04:06:47,287 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 [2022-07-20 04:06:47,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:06:47,318 INFO L225 Difference]: With dead ends: 5128 [2022-07-20 04:06:47,318 INFO L226 Difference]: Without dead ends: 5126 [2022-07-20 04:06:47,323 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 [2022-07-20 04:06:47,325 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 [2022-07-20 04:06:47,326 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] [2022-07-20 04:06:47,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5126 states. [2022-07-20 04:06:47,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5126 to 5126. [2022-07-20 04:06:47,591 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) [2022-07-20 04:06:47,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5126 states to 5126 states and 7027 transitions. [2022-07-20 04:06:47,624 INFO L78 Accepts]: Start accepts. Automaton has 5126 states and 7027 transitions. Word has length 53 [2022-07-20 04:06:47,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:06:47,624 INFO L495 AbstractCegarLoop]: Abstraction has 5126 states and 7027 transitions. [2022-07-20 04:06:47,624 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) [2022-07-20 04:06:47,625 INFO L276 IsEmpty]: Start isEmpty. Operand 5126 states and 7027 transitions. [2022-07-20 04:06:47,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-07-20 04:06:47,632 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:06:47,632 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] [2022-07-20 04:06:47,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-20 04:06:47,633 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)] === [2022-07-20 04:06:47,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:06:47,633 INFO L85 PathProgramCache]: Analyzing trace with hash -66606166, now seen corresponding path program 1 times [2022-07-20 04:06:47,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:06:47,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577630558] [2022-07-20 04:06:47,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:06:47,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:06:47,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:47,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:06:47,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:47,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 04:06:47,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:47,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 04:06:47,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:47,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-20 04:06:47,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:47,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:06:47,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:47,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 04:06:47,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:47,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-20 04:06:47,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:47,919 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-20 04:06:47,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:06:47,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577630558] [2022-07-20 04:06:47,919 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577630558] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:06:47,919 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:06:47,919 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:06:47,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240957442] [2022-07-20 04:06:47,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:06:47,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:06:47,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:06:47,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:06:47,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:06:47,921 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) [2022-07-20 04:06:56,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:06:56,022 INFO L93 Difference]: Finished difference Result 5484 states and 7555 transitions. [2022-07-20 04:06:56,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:06:56,022 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 [2022-07-20 04:06:56,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:06:56,054 INFO L225 Difference]: With dead ends: 5484 [2022-07-20 04:06:56,054 INFO L226 Difference]: Without dead ends: 5482 [2022-07-20 04:06:56,058 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 [2022-07-20 04:06:56,059 INFO L413 NwaCegarLoop]: 3140 mSDtfsCounter, 6728 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 4394 mSolverCounterSat, 3595 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s 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, 7.6s IncrementalHoareTripleChecker+Time [2022-07-20 04:06:56,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6847 Valid, 3978 Invalid, 7989 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3595 Valid, 4394 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2022-07-20 04:06:56,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5482 states. [2022-07-20 04:06:56,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5482 to 5124. [2022-07-20 04:06:56,313 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) [2022-07-20 04:06:56,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5124 states to 5124 states and 7024 transitions. [2022-07-20 04:06:56,341 INFO L78 Accepts]: Start accepts. Automaton has 5124 states and 7024 transitions. Word has length 52 [2022-07-20 04:06:56,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:06:56,343 INFO L495 AbstractCegarLoop]: Abstraction has 5124 states and 7024 transitions. [2022-07-20 04:06:56,344 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) [2022-07-20 04:06:56,344 INFO L276 IsEmpty]: Start isEmpty. Operand 5124 states and 7024 transitions. [2022-07-20 04:06:56,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-07-20 04:06:56,347 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:06:56,347 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] [2022-07-20 04:06:56,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-20 04:06:56,348 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)] === [2022-07-20 04:06:56,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:06:56,348 INFO L85 PathProgramCache]: Analyzing trace with hash 1401725819, now seen corresponding path program 1 times [2022-07-20 04:06:56,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:06:56,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361596023] [2022-07-20 04:06:56,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:06:56,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:06:56,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:56,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:06:56,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:56,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 04:06:56,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:56,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 04:06:56,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:56,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-20 04:06:56,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:56,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:06:56,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:56,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 04:06:56,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:56,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-20 04:06:56,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:56,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-20 04:06:56,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:06:56,617 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-20 04:06:56,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:06:56,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361596023] [2022-07-20 04:06:56,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361596023] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:06:56,618 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:06:56,618 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:06:56,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037626329] [2022-07-20 04:06:56,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:06:56,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:06:56,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:06:56,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:06:56,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:06:56,621 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) [2022-07-20 04:07:03,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:07:03,627 INFO L93 Difference]: Finished difference Result 5482 states and 7552 transitions. [2022-07-20 04:07:03,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:07:03,628 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 [2022-07-20 04:07:03,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:07:03,660 INFO L225 Difference]: With dead ends: 5482 [2022-07-20 04:07:03,661 INFO L226 Difference]: Without dead ends: 5480 [2022-07-20 04:07:03,665 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 [2022-07-20 04:07:03,666 INFO L413 NwaCegarLoop]: 3153 mSDtfsCounter, 6706 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 4407 mSolverCounterSat, 3574 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6824 SdHoareTripleChecker+Valid, 3991 SdHoareTripleChecker+Invalid, 7981 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3574 IncrementalHoareTripleChecker+Valid, 4407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-07-20 04:07:03,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6824 Valid, 3991 Invalid, 7981 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3574 Valid, 4407 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2022-07-20 04:07:03,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5480 states. [2022-07-20 04:07:03,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5480 to 5122. [2022-07-20 04:07:03,905 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) [2022-07-20 04:07:03,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5122 states to 5122 states and 7021 transitions. [2022-07-20 04:07:03,926 INFO L78 Accepts]: Start accepts. Automaton has 5122 states and 7021 transitions. Word has length 58 [2022-07-20 04:07:03,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:07:03,927 INFO L495 AbstractCegarLoop]: Abstraction has 5122 states and 7021 transitions. [2022-07-20 04:07:03,927 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) [2022-07-20 04:07:03,927 INFO L276 IsEmpty]: Start isEmpty. Operand 5122 states and 7021 transitions. [2022-07-20 04:07:03,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-07-20 04:07:03,929 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:07:03,929 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] [2022-07-20 04:07:03,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-20 04:07:03,930 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)] === [2022-07-20 04:07:03,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:07:03,931 INFO L85 PathProgramCache]: Analyzing trace with hash 69306552, now seen corresponding path program 1 times [2022-07-20 04:07:03,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:07:03,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286033755] [2022-07-20 04:07:03,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:07:03,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:07:03,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:04,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:07:04,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:04,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 04:07:04,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:04,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 04:07:04,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:04,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-20 04:07:04,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:04,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:07:04,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:04,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 04:07:04,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:04,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-20 04:07:04,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:04,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-20 04:07:04,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:04,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-20 04:07:04,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:04,182 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-20 04:07:04,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:07:04,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286033755] [2022-07-20 04:07:04,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286033755] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:07:04,183 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:07:04,183 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:07:04,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930194041] [2022-07-20 04:07:04,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:07:04,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:07:04,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:07:04,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:07:04,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:07:04,186 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) [2022-07-20 04:07:10,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:07:10,777 INFO L93 Difference]: Finished difference Result 5480 states and 7549 transitions. [2022-07-20 04:07:10,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:07:10,778 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 [2022-07-20 04:07:10,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:07:10,809 INFO L225 Difference]: With dead ends: 5480 [2022-07-20 04:07:10,809 INFO L226 Difference]: Without dead ends: 5478 [2022-07-20 04:07:10,815 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 [2022-07-20 04:07:10,815 INFO L413 NwaCegarLoop]: 3114 mSDtfsCounter, 6758 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 4368 mSolverCounterSat, 3598 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s 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, 6.3s IncrementalHoareTripleChecker+Time [2022-07-20 04:07:10,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6875 Valid, 3952 Invalid, 7966 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3598 Valid, 4368 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2022-07-20 04:07:10,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5478 states. [2022-07-20 04:07:10,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5478 to 5120. [2022-07-20 04:07:11,007 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) [2022-07-20 04:07:11,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5120 states to 5120 states and 7018 transitions. [2022-07-20 04:07:11,026 INFO L78 Accepts]: Start accepts. Automaton has 5120 states and 7018 transitions. Word has length 64 [2022-07-20 04:07:11,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:07:11,027 INFO L495 AbstractCegarLoop]: Abstraction has 5120 states and 7018 transitions. [2022-07-20 04:07:11,027 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) [2022-07-20 04:07:11,027 INFO L276 IsEmpty]: Start isEmpty. Operand 5120 states and 7018 transitions. [2022-07-20 04:07:11,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-07-20 04:07:11,028 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:07:11,028 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] [2022-07-20 04:07:11,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-20 04:07:11,029 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)] === [2022-07-20 04:07:11,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:07:11,029 INFO L85 PathProgramCache]: Analyzing trace with hash -556843342, now seen corresponding path program 1 times [2022-07-20 04:07:11,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:07:11,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064784304] [2022-07-20 04:07:11,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:07:11,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:07:11,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:11,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:07:11,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:11,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 04:07:11,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:11,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 04:07:11,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:11,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-20 04:07:11,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:11,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:07:11,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:11,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 04:07:11,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:11,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-20 04:07:11,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:11,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 04:07:11,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:11,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-20 04:07:11,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:11,287 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-20 04:07:11,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:07:11,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064784304] [2022-07-20 04:07:11,288 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064784304] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:07:11,288 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:07:11,288 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-20 04:07:11,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027410796] [2022-07-20 04:07:11,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:07:11,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-20 04:07:11,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:07:11,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-20 04:07:11,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-20 04:07:11,290 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) [2022-07-20 04:07:22,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:07:22,874 INFO L93 Difference]: Finished difference Result 6474 states and 8694 transitions. [2022-07-20 04:07:22,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-20 04:07:22,875 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 [2022-07-20 04:07:22,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:07:22,907 INFO L225 Difference]: With dead ends: 6474 [2022-07-20 04:07:22,907 INFO L226 Difference]: Without dead ends: 6265 [2022-07-20 04:07:22,911 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 [2022-07-20 04:07:22,912 INFO L413 NwaCegarLoop]: 3181 mSDtfsCounter, 5148 mSDsluCounter, 1844 mSDsCounter, 0 mSdLazyCounter, 14966 mSolverCounterSat, 2728 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s 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 [2022-07-20 04:07:22,912 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] [2022-07-20 04:07:22,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6265 states. [2022-07-20 04:07:23,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6265 to 5498. [2022-07-20 04:07:23,129 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) [2022-07-20 04:07:23,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5498 states to 5498 states and 7482 transitions. [2022-07-20 04:07:23,153 INFO L78 Accepts]: Start accepts. Automaton has 5498 states and 7482 transitions. Word has length 66 [2022-07-20 04:07:23,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:07:23,153 INFO L495 AbstractCegarLoop]: Abstraction has 5498 states and 7482 transitions. [2022-07-20 04:07:23,153 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) [2022-07-20 04:07:23,154 INFO L276 IsEmpty]: Start isEmpty. Operand 5498 states and 7482 transitions. [2022-07-20 04:07:23,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-07-20 04:07:23,155 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:07:23,155 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] [2022-07-20 04:07:23,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-20 04:07:23,155 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)] === [2022-07-20 04:07:23,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:07:23,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1292387120, now seen corresponding path program 1 times [2022-07-20 04:07:23,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:07:23,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883152679] [2022-07-20 04:07:23,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:07:23,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:07:23,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:23,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:07:23,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:23,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 04:07:23,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:23,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 04:07:23,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:23,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-20 04:07:23,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:23,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:07:23,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:23,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 04:07:23,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:23,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-20 04:07:23,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:23,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-20 04:07:23,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:23,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-20 04:07:23,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:23,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 04:07:23,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:23,403 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-20 04:07:23,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:07:23,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883152679] [2022-07-20 04:07:23,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883152679] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:07:23,404 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:07:23,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:07:23,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693511432] [2022-07-20 04:07:23,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:07:23,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:07:23,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:07:23,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:07:23,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:07:23,406 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) [2022-07-20 04:07:29,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:07:29,647 INFO L93 Difference]: Finished difference Result 5856 states and 8010 transitions. [2022-07-20 04:07:29,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:07:29,648 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 [2022-07-20 04:07:29,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:07:29,671 INFO L225 Difference]: With dead ends: 5856 [2022-07-20 04:07:29,671 INFO L226 Difference]: Without dead ends: 5854 [2022-07-20 04:07:29,675 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 [2022-07-20 04:07:29,675 INFO L413 NwaCegarLoop]: 3184 mSDtfsCounter, 6626 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 4438 mSolverCounterSat, 3571 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s 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, 5.9s IncrementalHoareTripleChecker+Time [2022-07-20 04:07:29,676 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6742 Valid, 4022 Invalid, 8009 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3571 Valid, 4438 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2022-07-20 04:07:29,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5854 states. [2022-07-20 04:07:29,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5854 to 5496. [2022-07-20 04:07:29,878 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) [2022-07-20 04:07:29,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5496 states to 5496 states and 7479 transitions. [2022-07-20 04:07:29,901 INFO L78 Accepts]: Start accepts. Automaton has 5496 states and 7479 transitions. Word has length 70 [2022-07-20 04:07:29,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:07:29,901 INFO L495 AbstractCegarLoop]: Abstraction has 5496 states and 7479 transitions. [2022-07-20 04:07:29,901 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) [2022-07-20 04:07:29,901 INFO L276 IsEmpty]: Start isEmpty. Operand 5496 states and 7479 transitions. [2022-07-20 04:07:29,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-07-20 04:07:29,903 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:07:29,903 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] [2022-07-20 04:07:29,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-20 04:07:29,903 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)] === [2022-07-20 04:07:29,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:07:29,904 INFO L85 PathProgramCache]: Analyzing trace with hash 390811223, now seen corresponding path program 1 times [2022-07-20 04:07:29,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:07:29,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982661420] [2022-07-20 04:07:29,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:07:29,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:07:29,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:30,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:07:30,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:30,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 04:07:30,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:30,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 04:07:30,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:30,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-20 04:07:30,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:30,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:07:30,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:30,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 04:07:30,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:30,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-20 04:07:30,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:30,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 04:07:30,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:30,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-20 04:07:30,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:30,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 04:07:30,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:30,152 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-07-20 04:07:30,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:07:30,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982661420] [2022-07-20 04:07:30,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982661420] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:07:30,153 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:07:30,153 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-20 04:07:30,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46974985] [2022-07-20 04:07:30,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:07:30,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-20 04:07:30,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:07:30,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-20 04:07:30,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-20 04:07:30,155 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) [2022-07-20 04:07:41,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:07:41,370 INFO L93 Difference]: Finished difference Result 6451 states and 8666 transitions. [2022-07-20 04:07:41,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-20 04:07:41,371 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 [2022-07-20 04:07:41,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:07:41,397 INFO L225 Difference]: With dead ends: 6451 [2022-07-20 04:07:41,398 INFO L226 Difference]: Without dead ends: 6244 [2022-07-20 04:07:41,403 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 [2022-07-20 04:07:41,404 INFO L413 NwaCegarLoop]: 3207 mSDtfsCounter, 5103 mSDsluCounter, 1847 mSDsCounter, 0 mSdLazyCounter, 15072 mSolverCounterSat, 2723 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s 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, 10.8s IncrementalHoareTripleChecker+Time [2022-07-20 04:07:41,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5221 Valid, 5054 Invalid, 17795 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2723 Valid, 15072 Invalid, 0 Unknown, 0 Unchecked, 10.8s Time] [2022-07-20 04:07:41,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6244 states. [2022-07-20 04:07:41,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6244 to 5496. [2022-07-20 04:07:41,633 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) [2022-07-20 04:07:41,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5496 states to 5496 states and 7478 transitions. [2022-07-20 04:07:41,655 INFO L78 Accepts]: Start accepts. Automaton has 5496 states and 7478 transitions. Word has length 72 [2022-07-20 04:07:41,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:07:41,656 INFO L495 AbstractCegarLoop]: Abstraction has 5496 states and 7478 transitions. [2022-07-20 04:07:41,656 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) [2022-07-20 04:07:41,656 INFO L276 IsEmpty]: Start isEmpty. Operand 5496 states and 7478 transitions. [2022-07-20 04:07:41,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-07-20 04:07:41,663 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:07:41,663 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] [2022-07-20 04:07:41,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-20 04:07:41,663 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)] === [2022-07-20 04:07:41,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:07:41,664 INFO L85 PathProgramCache]: Analyzing trace with hash -2129148711, now seen corresponding path program 1 times [2022-07-20 04:07:41,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:07:41,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609437554] [2022-07-20 04:07:41,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:07:41,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:07:41,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:41,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:07:41,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:41,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 04:07:41,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:42,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 04:07:42,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:42,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-20 04:07:42,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:42,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:07:42,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:42,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 04:07:42,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:42,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-20 04:07:42,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:42,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 04:07:42,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:42,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-20 04:07:42,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:42,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 04:07:42,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:07:42,162 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-20 04:07:42,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:07:42,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609437554] [2022-07-20 04:07:42,163 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609437554] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:07:42,163 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:07:42,163 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-07-20 04:07:42,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731715819] [2022-07-20 04:07:42,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:07:42,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-07-20 04:07:42,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:07:42,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-07-20 04:07:42,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-07-20 04:07:42,165 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) [2022-07-20 04:08:09,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:08:09,812 INFO L93 Difference]: Finished difference Result 6635 states and 8931 transitions. [2022-07-20 04:08:09,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-07-20 04:08:09,816 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 [2022-07-20 04:08:09,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:08:09,839 INFO L225 Difference]: With dead ends: 6635 [2022-07-20 04:08:09,839 INFO L226 Difference]: Without dead ends: 5959 [2022-07-20 04:08:09,845 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 [2022-07-20 04:08:09,846 INFO L413 NwaCegarLoop]: 3154 mSDtfsCounter, 4241 mSDsluCounter, 5048 mSDsCounter, 0 mSdLazyCounter, 45154 mSolverCounterSat, 2658 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4307 SdHoareTripleChecker+Valid, 8202 SdHoareTripleChecker+Invalid, 47812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2658 IncrementalHoareTripleChecker+Valid, 45154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.7s IncrementalHoareTripleChecker+Time [2022-07-20 04:08:09,846 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4307 Valid, 8202 Invalid, 47812 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2658 Valid, 45154 Invalid, 0 Unknown, 0 Unchecked, 26.7s Time] [2022-07-20 04:08:09,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5959 states. [2022-07-20 04:08:10,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5959 to 5548. [2022-07-20 04:08:10,095 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) [2022-07-20 04:08:10,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5548 states to 5548 states and 7548 transitions. [2022-07-20 04:08:10,117 INFO L78 Accepts]: Start accepts. Automaton has 5548 states and 7548 transitions. Word has length 72 [2022-07-20 04:08:10,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:08:10,118 INFO L495 AbstractCegarLoop]: Abstraction has 5548 states and 7548 transitions. [2022-07-20 04:08:10,118 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) [2022-07-20 04:08:10,118 INFO L276 IsEmpty]: Start isEmpty. Operand 5548 states and 7548 transitions. [2022-07-20 04:08:10,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-07-20 04:08:10,120 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:08:10,120 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] [2022-07-20 04:08:10,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-20 04:08:10,120 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)] === [2022-07-20 04:08:10,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:08:10,121 INFO L85 PathProgramCache]: Analyzing trace with hash -990300831, now seen corresponding path program 1 times [2022-07-20 04:08:10,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:08:10,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199154741] [2022-07-20 04:08:10,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:08:10,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:08:10,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:10,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:08:10,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:10,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 04:08:10,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:10,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 04:08:10,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:10,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-20 04:08:10,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:10,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:08:10,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:10,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 04:08:10,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:10,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-20 04:08:10,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:10,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-20 04:08:10,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:10,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-20 04:08:10,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:10,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 04:08:10,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:10,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 04:08:10,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:10,320 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-20 04:08:10,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:08:10,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199154741] [2022-07-20 04:08:10,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199154741] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:08:10,321 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:08:10,321 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:08:10,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253738523] [2022-07-20 04:08:10,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:08:10,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:08:10,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:08:10,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:08:10,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:08:10,322 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) [2022-07-20 04:08:17,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:08:17,249 INFO L93 Difference]: Finished difference Result 6938 states and 9271 transitions. [2022-07-20 04:08:17,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-20 04:08:17,256 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 [2022-07-20 04:08:17,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:08:17,287 INFO L225 Difference]: With dead ends: 6938 [2022-07-20 04:08:17,288 INFO L226 Difference]: Without dead ends: 6936 [2022-07-20 04:08:17,295 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 [2022-07-20 04:08:17,296 INFO L413 NwaCegarLoop]: 3388 mSDtfsCounter, 7006 mSDsluCounter, 1200 mSDsCounter, 0 mSdLazyCounter, 5041 mSolverCounterSat, 3686 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s 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, 6.5s IncrementalHoareTripleChecker+Time [2022-07-20 04:08:17,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7121 Valid, 4588 Invalid, 8727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3686 Valid, 5041 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2022-07-20 04:08:17,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6936 states. [2022-07-20 04:08:17,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6936 to 6311. [2022-07-20 04:08:17,589 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) [2022-07-20 04:08:17,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6311 states to 6311 states and 8448 transitions. [2022-07-20 04:08:17,691 INFO L78 Accepts]: Start accepts. Automaton has 6311 states and 8448 transitions. Word has length 76 [2022-07-20 04:08:17,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:08:17,691 INFO L495 AbstractCegarLoop]: Abstraction has 6311 states and 8448 transitions. [2022-07-20 04:08:17,692 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) [2022-07-20 04:08:17,692 INFO L276 IsEmpty]: Start isEmpty. Operand 6311 states and 8448 transitions. [2022-07-20 04:08:17,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-07-20 04:08:17,694 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:08:17,694 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] [2022-07-20 04:08:17,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-20 04:08:17,694 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)] === [2022-07-20 04:08:17,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:08:17,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1133077380, now seen corresponding path program 1 times [2022-07-20 04:08:17,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:08:17,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791187309] [2022-07-20 04:08:17,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:08:17,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:08:17,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:17,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:08:17,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:17,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 04:08:17,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:17,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 04:08:17,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:17,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-20 04:08:17,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:17,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:08:17,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:17,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 04:08:17,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:17,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-20 04:08:17,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:17,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-20 04:08:17,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:17,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-20 04:08:17,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:17,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 04:08:17,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:17,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 04:08:17,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:17,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-20 04:08:17,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:17,886 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-20 04:08:17,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:08:17,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791187309] [2022-07-20 04:08:17,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791187309] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:08:17,886 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:08:17,886 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:08:17,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049217671] [2022-07-20 04:08:17,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:08:17,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:08:17,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:08:17,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:08:17,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:08:17,888 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) [2022-07-20 04:08:30,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:08:30,784 INFO L93 Difference]: Finished difference Result 6833 states and 9123 transitions. [2022-07-20 04:08:30,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-20 04:08:30,785 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 [2022-07-20 04:08:30,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:08:30,809 INFO L225 Difference]: With dead ends: 6833 [2022-07-20 04:08:30,809 INFO L226 Difference]: Without dead ends: 6831 [2022-07-20 04:08:30,814 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 [2022-07-20 04:08:30,815 INFO L413 NwaCegarLoop]: 3266 mSDtfsCounter, 10812 mSDsluCounter, 1136 mSDsCounter, 0 mSdLazyCounter, 9217 mSolverCounterSat, 5949 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s 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, 12.3s IncrementalHoareTripleChecker+Time [2022-07-20 04:08:30,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10968 Valid, 4402 Invalid, 15166 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5949 Valid, 9217 Invalid, 0 Unknown, 0 Unchecked, 12.3s Time] [2022-07-20 04:08:30,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6831 states. [2022-07-20 04:08:31,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6831 to 6311. [2022-07-20 04:08:31,091 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) [2022-07-20 04:08:31,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6311 states to 6311 states and 8447 transitions. [2022-07-20 04:08:31,116 INFO L78 Accepts]: Start accepts. Automaton has 6311 states and 8447 transitions. Word has length 82 [2022-07-20 04:08:31,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:08:31,117 INFO L495 AbstractCegarLoop]: Abstraction has 6311 states and 8447 transitions. [2022-07-20 04:08:31,117 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) [2022-07-20 04:08:31,117 INFO L276 IsEmpty]: Start isEmpty. Operand 6311 states and 8447 transitions. [2022-07-20 04:08:31,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-07-20 04:08:31,118 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:08:31,118 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] [2022-07-20 04:08:31,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-20 04:08:31,119 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)] === [2022-07-20 04:08:31,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:08:31,119 INFO L85 PathProgramCache]: Analyzing trace with hash 1470553012, now seen corresponding path program 1 times [2022-07-20 04:08:31,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:08:31,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908771412] [2022-07-20 04:08:31,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:08:31,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:08:31,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:31,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:08:31,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:31,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 04:08:31,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:31,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 04:08:31,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:31,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-20 04:08:31,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:31,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:08:31,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:31,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 04:08:31,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:31,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-20 04:08:31,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:31,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-20 04:08:31,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:31,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-20 04:08:31,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:31,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 04:08:31,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:31,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 04:08:31,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:31,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-20 04:08:31,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:31,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-20 04:08:31,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:31,389 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-20 04:08:31,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:08:31,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908771412] [2022-07-20 04:08:31,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908771412] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:08:31,390 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:08:31,390 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:08:31,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241754325] [2022-07-20 04:08:31,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:08:31,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:08:31,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:08:31,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:08:31,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:08:31,392 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) [2022-07-20 04:08:37,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:08:37,970 INFO L93 Difference]: Finished difference Result 6669 states and 8975 transitions. [2022-07-20 04:08:37,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:08:37,971 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 [2022-07-20 04:08:37,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:08:37,994 INFO L225 Difference]: With dead ends: 6669 [2022-07-20 04:08:37,995 INFO L226 Difference]: Without dead ends: 6667 [2022-07-20 04:08:37,999 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 [2022-07-20 04:08:38,000 INFO L413 NwaCegarLoop]: 3173 mSDtfsCounter, 6630 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 4427 mSolverCounterSat, 3583 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s 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, 6.2s IncrementalHoareTripleChecker+Time [2022-07-20 04:08:38,000 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6743 Valid, 4011 Invalid, 8010 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3583 Valid, 4427 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2022-07-20 04:08:38,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6667 states. [2022-07-20 04:08:38,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6667 to 6309. [2022-07-20 04:08:38,331 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) [2022-07-20 04:08:38,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6309 states to 6309 states and 8444 transitions. [2022-07-20 04:08:38,355 INFO L78 Accepts]: Start accepts. Automaton has 6309 states and 8444 transitions. Word has length 88 [2022-07-20 04:08:38,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:08:38,356 INFO L495 AbstractCegarLoop]: Abstraction has 6309 states and 8444 transitions. [2022-07-20 04:08:38,356 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) [2022-07-20 04:08:38,356 INFO L276 IsEmpty]: Start isEmpty. Operand 6309 states and 8444 transitions. [2022-07-20 04:08:38,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-07-20 04:08:38,359 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:08:38,359 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] [2022-07-20 04:08:38,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-20 04:08:38,359 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)] === [2022-07-20 04:08:38,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:08:38,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1697529068, now seen corresponding path program 1 times [2022-07-20 04:08:38,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:08:38,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924377018] [2022-07-20 04:08:38,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:08:38,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:08:38,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:38,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:08:38,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:38,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 04:08:38,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:38,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 04:08:38,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:38,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-20 04:08:38,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:38,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:08:38,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:38,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 04:08:38,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:38,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-20 04:08:38,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:38,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-20 04:08:38,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:38,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-20 04:08:38,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:38,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 04:08:38,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:38,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 04:08:38,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:38,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-20 04:08:38,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:38,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-20 04:08:38,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:38,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-20 04:08:38,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:38,579 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-20 04:08:38,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:08:38,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924377018] [2022-07-20 04:08:38,579 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924377018] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:08:38,580 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:08:38,580 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:08:38,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135889633] [2022-07-20 04:08:38,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:08:38,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:08:38,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:08:38,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:08:38,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:08:38,581 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) [2022-07-20 04:08:52,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:08:52,466 INFO L93 Difference]: Finished difference Result 11830 states and 15980 transitions. [2022-07-20 04:08:52,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-20 04:08:52,466 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 [2022-07-20 04:08:52,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:08:52,567 INFO L225 Difference]: With dead ends: 11830 [2022-07-20 04:08:52,567 INFO L226 Difference]: Without dead ends: 11828 [2022-07-20 04:08:52,574 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-07-20 04:08:52,575 INFO L413 NwaCegarLoop]: 3301 mSDtfsCounter, 9723 mSDsluCounter, 1145 mSDsCounter, 0 mSdLazyCounter, 9180 mSolverCounterSat, 5506 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s 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, 13.1s IncrementalHoareTripleChecker+Time [2022-07-20 04:08:52,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9876 Valid, 4446 Invalid, 14686 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5506 Valid, 9180 Invalid, 0 Unknown, 0 Unchecked, 13.1s Time] [2022-07-20 04:08:52,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11828 states. [2022-07-20 04:08:53,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11828 to 10877. [2022-07-20 04:08:53,120 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) [2022-07-20 04:08:53,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10877 states to 10877 states and 14664 transitions. [2022-07-20 04:08:53,176 INFO L78 Accepts]: Start accepts. Automaton has 10877 states and 14664 transitions. Word has length 94 [2022-07-20 04:08:53,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:08:53,177 INFO L495 AbstractCegarLoop]: Abstraction has 10877 states and 14664 transitions. [2022-07-20 04:08:53,177 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) [2022-07-20 04:08:53,177 INFO L276 IsEmpty]: Start isEmpty. Operand 10877 states and 14664 transitions. [2022-07-20 04:08:53,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-07-20 04:08:53,178 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:08:53,179 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] [2022-07-20 04:08:53,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-20 04:08:53,180 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)] === [2022-07-20 04:08:53,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:08:53,180 INFO L85 PathProgramCache]: Analyzing trace with hash 478715272, now seen corresponding path program 1 times [2022-07-20 04:08:53,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:08:53,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001142317] [2022-07-20 04:08:53,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:08:53,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:08:53,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:53,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:08:53,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:53,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-20 04:08:53,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:53,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:08:53,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:53,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:08:53,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:53,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-20 04:08:53,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:53,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:08:53,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:53,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:08:53,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:53,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-20 04:08:53,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:53,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 04:08:53,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:53,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-20 04:08:53,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:53,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-20 04:08:53,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:53,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:08:53,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:53,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-20 04:08:53,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:53,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-20 04:08:53,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:08:53,474 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2022-07-20 04:08:53,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:08:53,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001142317] [2022-07-20 04:08:53,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001142317] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:08:53,475 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:08:53,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-20 04:08:53,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543171023] [2022-07-20 04:08:53,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:08:53,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-20 04:08:53,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:08:53,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-20 04:08:53,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2022-07-20 04:08:53,477 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) [2022-07-20 04:09:03,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:09:03,485 INFO L93 Difference]: Finished difference Result 14084 states and 19363 transitions. [2022-07-20 04:09:03,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-20 04:09:03,486 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 [2022-07-20 04:09:03,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:09:03,557 INFO L225 Difference]: With dead ends: 14084 [2022-07-20 04:09:03,558 INFO L226 Difference]: Without dead ends: 12430 [2022-07-20 04:09:03,579 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 [2022-07-20 04:09:03,579 INFO L413 NwaCegarLoop]: 3781 mSDtfsCounter, 2134 mSDsluCounter, 21679 mSDsCounter, 0 mSdLazyCounter, 12498 mSolverCounterSat, 1332 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2396 SdHoareTripleChecker+Valid, 25460 SdHoareTripleChecker+Invalid, 13830 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1332 IncrementalHoareTripleChecker+Valid, 12498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2022-07-20 04:09:03,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2396 Valid, 25460 Invalid, 13830 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1332 Valid, 12498 Invalid, 0 Unknown, 0 Unchecked, 9.2s Time] [2022-07-20 04:09:03,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12430 states. [2022-07-20 04:09:04,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12430 to 10796. [2022-07-20 04:09:04,261 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) [2022-07-20 04:09:04,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10796 states to 10796 states and 14582 transitions. [2022-07-20 04:09:04,312 INFO L78 Accepts]: Start accepts. Automaton has 10796 states and 14582 transitions. Word has length 99 [2022-07-20 04:09:04,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:09:04,313 INFO L495 AbstractCegarLoop]: Abstraction has 10796 states and 14582 transitions. [2022-07-20 04:09:04,313 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) [2022-07-20 04:09:04,313 INFO L276 IsEmpty]: Start isEmpty. Operand 10796 states and 14582 transitions. [2022-07-20 04:09:04,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-07-20 04:09:04,315 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:09:04,315 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] [2022-07-20 04:09:04,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-20 04:09:04,316 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)] === [2022-07-20 04:09:04,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:09:04,316 INFO L85 PathProgramCache]: Analyzing trace with hash 762298967, now seen corresponding path program 1 times [2022-07-20 04:09:04,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:09:04,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415381600] [2022-07-20 04:09:04,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:09:04,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:09:04,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:04,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:09:04,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:04,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 04:09:04,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:04,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 04:09:04,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:04,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-20 04:09:04,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:04,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:09:04,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:04,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 04:09:04,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:04,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-20 04:09:04,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:04,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-20 04:09:04,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:04,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-20 04:09:04,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:04,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 04:09:04,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:04,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 04:09:04,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:04,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-20 04:09:04,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:04,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-20 04:09:04,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:04,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-20 04:09:04,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:04,535 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-20 04:09:04,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:09:04,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415381600] [2022-07-20 04:09:04,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415381600] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:09:04,535 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:09:04,536 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:09:04,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832738377] [2022-07-20 04:09:04,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:09:04,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:09:04,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:09:04,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:09:04,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:09:04,537 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) [2022-07-20 04:09:11,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:09:11,891 INFO L93 Difference]: Finished difference Result 11752 states and 15904 transitions. [2022-07-20 04:09:11,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-20 04:09:11,892 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 [2022-07-20 04:09:11,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:09:11,944 INFO L225 Difference]: With dead ends: 11752 [2022-07-20 04:09:11,945 INFO L226 Difference]: Without dead ends: 11750 [2022-07-20 04:09:11,957 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 [2022-07-20 04:09:11,958 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 [2022-07-20 04:09:11,958 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] [2022-07-20 04:09:11,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11750 states. [2022-07-20 04:09:12,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11750 to 11030. [2022-07-20 04:09:12,523 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) [2022-07-20 04:09:12,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11030 states to 11030 states and 14825 transitions. [2022-07-20 04:09:12,562 INFO L78 Accepts]: Start accepts. Automaton has 11030 states and 14825 transitions. Word has length 96 [2022-07-20 04:09:12,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:09:12,563 INFO L495 AbstractCegarLoop]: Abstraction has 11030 states and 14825 transitions. [2022-07-20 04:09:12,563 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) [2022-07-20 04:09:12,563 INFO L276 IsEmpty]: Start isEmpty. Operand 11030 states and 14825 transitions. [2022-07-20 04:09:12,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-07-20 04:09:12,565 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:09:12,565 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] [2022-07-20 04:09:12,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-20 04:09:12,566 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)] === [2022-07-20 04:09:12,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:09:12,566 INFO L85 PathProgramCache]: Analyzing trace with hash 1936689382, now seen corresponding path program 1 times [2022-07-20 04:09:12,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:09:12,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320656655] [2022-07-20 04:09:12,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:09:12,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:09:12,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:12,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:09:12,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:12,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 04:09:12,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:12,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 04:09:12,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:12,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-20 04:09:12,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:12,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:09:12,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:12,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 04:09:12,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:12,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-20 04:09:12,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:12,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-20 04:09:12,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:12,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-20 04:09:12,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:12,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 04:09:12,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:12,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 04:09:12,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:12,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-20 04:09:12,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:12,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-20 04:09:12,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:12,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-20 04:09:12,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:12,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-20 04:09:12,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:12,803 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-20 04:09:12,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:09:12,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320656655] [2022-07-20 04:09:12,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320656655] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:09:12,806 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:09:12,807 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:09:12,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608893215] [2022-07-20 04:09:12,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:09:12,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:09:12,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:09:12,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:09:12,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:09:12,808 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) [2022-07-20 04:09:28,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:09:28,088 INFO L93 Difference]: Finished difference Result 22733 states and 31150 transitions. [2022-07-20 04:09:28,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-20 04:09:28,089 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 [2022-07-20 04:09:28,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:09:28,165 INFO L225 Difference]: With dead ends: 22733 [2022-07-20 04:09:28,166 INFO L226 Difference]: Without dead ends: 22731 [2022-07-20 04:09:28,176 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 [2022-07-20 04:09:28,177 INFO L413 NwaCegarLoop]: 3267 mSDtfsCounter, 10843 mSDsluCounter, 1145 mSDsCounter, 0 mSdLazyCounter, 9266 mSolverCounterSat, 6066 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s 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, 14.0s IncrementalHoareTripleChecker+Time [2022-07-20 04:09:28,177 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10995 Valid, 4412 Invalid, 15332 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6066 Valid, 9266 Invalid, 0 Unknown, 0 Unchecked, 14.0s Time] [2022-07-20 04:09:28,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22731 states. [2022-07-20 04:09:29,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22731 to 21081. [2022-07-20 04:09:29,142 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) [2022-07-20 04:09:29,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21081 states to 21081 states and 28752 transitions. [2022-07-20 04:09:29,225 INFO L78 Accepts]: Start accepts. Automaton has 21081 states and 28752 transitions. Word has length 102 [2022-07-20 04:09:29,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:09:29,226 INFO L495 AbstractCegarLoop]: Abstraction has 21081 states and 28752 transitions. [2022-07-20 04:09:29,226 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) [2022-07-20 04:09:29,226 INFO L276 IsEmpty]: Start isEmpty. Operand 21081 states and 28752 transitions. [2022-07-20 04:09:29,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-07-20 04:09:29,228 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:09:29,228 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] [2022-07-20 04:09:29,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-20 04:09:29,228 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)] === [2022-07-20 04:09:29,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:09:29,229 INFO L85 PathProgramCache]: Analyzing trace with hash -106955744, now seen corresponding path program 1 times [2022-07-20 04:09:29,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:09:29,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311184833] [2022-07-20 04:09:29,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:09:29,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:09:29,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:29,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:09:29,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:29,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-20 04:09:29,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:29,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:09:29,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:29,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:09:29,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:29,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-20 04:09:29,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:29,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-20 04:09:29,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:29,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:09:29,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:29,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:09:29,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:29,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 04:09:29,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:29,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-20 04:09:29,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:29,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-20 04:09:29,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:29,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 04:09:29,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:29,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:09:29,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:29,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 04:09:29,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:29,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 04:09:29,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:29,473 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2022-07-20 04:09:29,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:09:29,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311184833] [2022-07-20 04:09:29,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311184833] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:09:29,474 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:09:29,474 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:09:29,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613062671] [2022-07-20 04:09:29,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:09:29,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:09:29,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:09:29,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:09:29,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:09:29,476 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) [2022-07-20 04:09:36,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:09:36,162 INFO L93 Difference]: Finished difference Result 24541 states and 34538 transitions. [2022-07-20 04:09:36,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:09:36,162 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 [2022-07-20 04:09:36,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:09:36,254 INFO L225 Difference]: With dead ends: 24541 [2022-07-20 04:09:36,254 INFO L226 Difference]: Without dead ends: 24539 [2022-07-20 04:09:36,271 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 [2022-07-20 04:09:36,271 INFO L413 NwaCegarLoop]: 3747 mSDtfsCounter, 4880 mSDsluCounter, 6696 mSDsCounter, 0 mSdLazyCounter, 4421 mSolverCounterSat, 1676 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5309 SdHoareTripleChecker+Valid, 10443 SdHoareTripleChecker+Invalid, 6097 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1676 IncrementalHoareTripleChecker+Valid, 4421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-07-20 04:09:36,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5309 Valid, 10443 Invalid, 6097 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1676 Valid, 4421 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2022-07-20 04:09:36,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24539 states. [2022-07-20 04:09:37,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24539 to 22435. [2022-07-20 04:09:37,503 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) [2022-07-20 04:09:37,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22435 states to 22435 states and 31111 transitions. [2022-07-20 04:09:37,586 INFO L78 Accepts]: Start accepts. Automaton has 22435 states and 31111 transitions. Word has length 106 [2022-07-20 04:09:37,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:09:37,586 INFO L495 AbstractCegarLoop]: Abstraction has 22435 states and 31111 transitions. [2022-07-20 04:09:37,586 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) [2022-07-20 04:09:37,587 INFO L276 IsEmpty]: Start isEmpty. Operand 22435 states and 31111 transitions. [2022-07-20 04:09:37,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-07-20 04:09:37,588 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:09:37,588 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] [2022-07-20 04:09:37,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-20 04:09:37,588 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)] === [2022-07-20 04:09:37,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:09:37,589 INFO L85 PathProgramCache]: Analyzing trace with hash -753317812, now seen corresponding path program 1 times [2022-07-20 04:09:37,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:09:37,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098298221] [2022-07-20 04:09:37,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:09:37,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:09:37,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:37,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:09:37,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:37,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 04:09:37,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:37,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 04:09:37,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:37,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-20 04:09:37,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:37,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:09:37,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:37,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 04:09:37,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:37,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-20 04:09:37,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:37,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-20 04:09:37,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:37,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-20 04:09:37,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:37,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 04:09:37,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:37,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 04:09:37,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:37,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-20 04:09:37,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:37,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-20 04:09:37,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:37,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-20 04:09:37,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:37,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-20 04:09:37,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:37,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 04:09:37,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:37,809 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-20 04:09:37,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:09:37,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098298221] [2022-07-20 04:09:37,810 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098298221] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:09:37,810 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:09:37,810 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:09:37,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797356727] [2022-07-20 04:09:37,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:09:37,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:09:37,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:09:37,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:09:37,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:09:37,812 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) [2022-07-20 04:09:45,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:09:45,608 INFO L93 Difference]: Finished difference Result 23867 states and 33305 transitions. [2022-07-20 04:09:45,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:09:45,609 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 [2022-07-20 04:09:45,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:09:45,683 INFO L225 Difference]: With dead ends: 23867 [2022-07-20 04:09:45,684 INFO L226 Difference]: Without dead ends: 23865 [2022-07-20 04:09:45,694 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 [2022-07-20 04:09:45,694 INFO L413 NwaCegarLoop]: 3130 mSDtfsCounter, 6690 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 4384 mSolverCounterSat, 3577 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s 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, 6.5s IncrementalHoareTripleChecker+Time [2022-07-20 04:09:45,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6800 Valid, 3968 Invalid, 7961 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3577 Valid, 4384 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2022-07-20 04:09:45,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23865 states. [2022-07-20 04:09:46,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23865 to 22433. [2022-07-20 04:09:46,812 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) [2022-07-20 04:09:46,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22433 states to 22433 states and 31108 transitions. [2022-07-20 04:09:46,904 INFO L78 Accepts]: Start accepts. Automaton has 22433 states and 31108 transitions. Word has length 108 [2022-07-20 04:09:46,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:09:46,904 INFO L495 AbstractCegarLoop]: Abstraction has 22433 states and 31108 transitions. [2022-07-20 04:09:46,905 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) [2022-07-20 04:09:46,905 INFO L276 IsEmpty]: Start isEmpty. Operand 22433 states and 31108 transitions. [2022-07-20 04:09:46,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-20 04:09:46,906 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:09:46,907 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] [2022-07-20 04:09:46,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-20 04:09:46,907 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)] === [2022-07-20 04:09:46,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:09:46,908 INFO L85 PathProgramCache]: Analyzing trace with hash 585604035, now seen corresponding path program 1 times [2022-07-20 04:09:46,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:09:46,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469382060] [2022-07-20 04:09:46,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:09:46,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:09:46,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:47,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:09:47,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:47,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 04:09:47,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:47,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 04:09:47,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:47,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-20 04:09:47,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:47,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:09:47,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:47,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 04:09:47,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:47,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-20 04:09:47,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:47,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-20 04:09:47,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:47,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-20 04:09:47,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:47,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 04:09:47,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:47,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 04:09:47,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:47,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-20 04:09:47,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:47,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-20 04:09:47,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:47,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-20 04:09:47,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:47,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-20 04:09:47,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:47,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 04:09:47,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:47,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-20 04:09:47,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:47,121 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-20 04:09:47,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:09:47,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469382060] [2022-07-20 04:09:47,122 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469382060] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:09:47,122 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:09:47,122 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:09:47,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610807833] [2022-07-20 04:09:47,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:09:47,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:09:47,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:09:47,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:09:47,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:09:47,124 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) [2022-07-20 04:09:54,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:09:54,565 INFO L93 Difference]: Finished difference Result 23865 states and 33302 transitions. [2022-07-20 04:09:54,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:09:54,567 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 [2022-07-20 04:09:54,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:09:54,632 INFO L225 Difference]: With dead ends: 23865 [2022-07-20 04:09:54,633 INFO L226 Difference]: Without dead ends: 23863 [2022-07-20 04:09:54,641 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 [2022-07-20 04:09:54,642 INFO L413 NwaCegarLoop]: 3176 mSDtfsCounter, 6594 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 4430 mSolverCounterSat, 3568 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s 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, 6.3s IncrementalHoareTripleChecker+Time [2022-07-20 04:09:54,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6703 Valid, 4014 Invalid, 7998 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3568 Valid, 4430 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2022-07-20 04:09:54,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23863 states. [2022-07-20 04:09:55,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23863 to 22431. [2022-07-20 04:09:55,719 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) [2022-07-20 04:09:55,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22431 states to 22431 states and 31105 transitions. [2022-07-20 04:09:55,815 INFO L78 Accepts]: Start accepts. Automaton has 22431 states and 31105 transitions. Word has length 114 [2022-07-20 04:09:55,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:09:55,816 INFO L495 AbstractCegarLoop]: Abstraction has 22431 states and 31105 transitions. [2022-07-20 04:09:55,816 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) [2022-07-20 04:09:55,816 INFO L276 IsEmpty]: Start isEmpty. Operand 22431 states and 31105 transitions. [2022-07-20 04:09:55,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-07-20 04:09:55,818 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:09:55,818 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] [2022-07-20 04:09:55,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-20 04:09:55,818 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)] === [2022-07-20 04:09:55,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:09:55,819 INFO L85 PathProgramCache]: Analyzing trace with hash -1365025461, now seen corresponding path program 1 times [2022-07-20 04:09:55,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:09:55,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062985366] [2022-07-20 04:09:55,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:09:55,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:09:55,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:55,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:09:55,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:55,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 04:09:55,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:55,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 04:09:55,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:55,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-20 04:09:55,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:55,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:09:55,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:55,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 04:09:55,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:55,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-20 04:09:55,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:56,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-20 04:09:56,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:56,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-20 04:09:56,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:56,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 04:09:56,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:56,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 04:09:56,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:56,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-20 04:09:56,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:56,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-20 04:09:56,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:56,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-20 04:09:56,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:56,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-20 04:09:56,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:56,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 04:09:56,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:56,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-20 04:09:56,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:56,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-20 04:09:56,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:09:56,083 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-20 04:09:56,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:09:56,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062985366] [2022-07-20 04:09:56,084 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062985366] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:09:56,084 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:09:56,084 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:09:56,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74679269] [2022-07-20 04:09:56,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:09:56,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:09:56,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:09:56,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:09:56,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:09:56,086 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)