./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 f4b24e32 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-?-f4b24e3 [2022-07-14 04:46:03,618 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 04:46:03,620 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 04:46:03,639 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 04:46:03,640 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 04:46:03,641 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 04:46:03,642 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 04:46:03,643 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 04:46:03,644 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 04:46:03,645 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 04:46:03,645 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 04:46:03,646 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 04:46:03,646 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 04:46:03,647 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 04:46:03,648 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 04:46:03,649 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 04:46:03,649 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 04:46:03,650 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 04:46:03,651 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 04:46:03,652 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 04:46:03,653 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 04:46:03,654 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 04:46:03,655 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 04:46:03,655 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 04:46:03,656 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 04:46:03,658 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 04:46:03,658 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 04:46:03,658 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 04:46:03,659 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 04:46:03,659 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 04:46:03,660 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 04:46:03,660 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 04:46:03,661 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 04:46:03,661 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 04:46:03,662 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 04:46:03,663 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 04:46:03,663 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 04:46:03,663 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 04:46:03,663 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 04:46:03,664 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 04:46:03,664 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 04:46:03,665 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 04:46:03,666 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 04:46:03,680 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 04:46:03,681 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 04:46:03,681 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 04:46:03,681 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 04:46:03,682 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 04:46:03,682 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 04:46:03,683 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 04:46:03,683 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 04:46:03,683 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 04:46:03,683 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 04:46:03,683 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 04:46:03,684 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 04:46:03,684 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 04:46:03,684 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 04:46:03,684 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 04:46:03,684 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 04:46:03,684 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 04:46:03,685 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 04:46:03,685 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 04:46:03,685 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 04:46:03,685 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 04:46:03,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 04:46:03,686 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 04:46:03,686 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 04:46:03,686 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 04:46:03,686 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 04:46:03,686 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 04:46:03,687 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 04:46:03,687 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 04:46:03,687 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 04:46:03,687 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8c1c69a9209f2e1e672b4301b3aeef542d8617026686dc57b4ac44c2de1cbfb [2022-07-14 04:46:03,864 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 04:46:03,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 04:46:03,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 04:46:03,886 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 04:46:03,886 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 04:46:03,887 INFO L432 ainManager$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 [2022-07-14 04:46:03,937 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90dddbe7e/0740399ca60c4aa892c7350bc432a6c4/FLAG48e8e5349 [2022-07-14 04:46:04,601 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 04:46:04,602 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 [2022-07-14 04:46:04,652 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90dddbe7e/0740399ca60c4aa892c7350bc432a6c4/FLAG48e8e5349 [2022-07-14 04:46:04,964 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90dddbe7e/0740399ca60c4aa892c7350bc432a6c4 [2022-07-14 04:46:04,966 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 04:46:04,982 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 04:46:04,983 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 04:46:04,983 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 04:46:04,986 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 04:46:04,987 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:46:04" (1/1) ... [2022-07-14 04:46:04,987 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@725da32f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:46:04, skipping insertion in model container [2022-07-14 04:46:04,987 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:46:04" (1/1) ... [2022-07-14 04:46:04,992 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 04:46:05,123 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 04:46:08,553 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,556 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,557 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,557 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,558 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,559 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,559 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,560 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,563 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,567 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,567 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,568 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,568 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,569 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,569 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,570 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,570 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,571 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,571 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,573 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,573 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,574 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,574 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,575 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,576 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,577 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,577 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,578 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,578 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,579 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,580 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,581 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,581 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,582 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,583 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,583 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,583 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,584 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,585 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,585 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,585 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,586 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,586 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,586 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,587 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,587 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,588 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,589 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,589 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,590 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,590 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,590 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,591 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,591 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,591 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,592 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,592 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,593 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,593 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,593 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,594 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,595 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,595 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,596 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,596 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,597 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,597 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,597 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,598 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,598 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,598 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,599 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,599 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,600 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,600 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,600 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,601 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,601 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,602 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501863,501876] [2022-07-14 04:46:08,602 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502029,502042] [2022-07-14 04:46:08,603 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,603 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,604 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,604 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:08,605 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502830,502843] [2022-07-14 04:46:08,605 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502991,503004] [2022-07-14 04:46:08,605 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[503161,503174] [2022-07-14 04:46:08,606 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[503323,503336] [2022-07-14 04:46:08,626 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:46:08,680 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 04:46:09,045 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,047 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,050 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,050 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,051 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,051 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,052 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,052 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,052 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,053 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,053 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,053 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,054 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,054 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,054 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,054 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,055 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,055 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,055 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,055 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,056 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,056 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,057 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,057 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,057 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,060 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,060 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,061 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,061 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,061 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,062 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,062 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,062 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,063 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,063 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,063 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,063 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,064 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,064 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,065 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,065 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,066 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,066 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,066 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,066 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,067 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,067 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,067 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,068 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,068 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,068 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,068 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,069 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,069 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,069 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,069 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,070 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,070 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,070 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,070 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,071 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,072 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,073 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,075 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,075 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,080 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,080 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,082 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,082 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,082 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,083 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,083 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,088 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,089 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,089 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,089 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,089 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,090 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,091 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,091 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,091 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,092 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,092 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,092 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,093 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,093 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,093 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,093 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-14 04:46:09,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:46:09,288 INFO L208 MainTranslator]: Completed translation [2022-07-14 04:46:09,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:46:09 WrapperNode [2022-07-14 04:46:09,289 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 04:46:09,290 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 04:46:09,290 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 04:46:09,290 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 04:46:09,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:46:09" (1/1) ... [2022-07-14 04:46:09,374 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:46:09" (1/1) ... [2022-07-14 04:46:09,554 INFO L137 Inliner]: procedures = 776, calls = 2915, calls flagged for inlining = 349, calls inlined = 276, statements flattened = 7326 [2022-07-14 04:46:09,555 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 04:46:09,556 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 04:46:09,556 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 04:46:09,556 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 04:46:09,562 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:46:09" (1/1) ... [2022-07-14 04:46:09,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:46:09" (1/1) ... [2022-07-14 04:46:09,587 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:46:09" (1/1) ... [2022-07-14 04:46:09,588 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:46:09" (1/1) ... [2022-07-14 04:46:09,666 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:46:09" (1/1) ... [2022-07-14 04:46:09,680 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:46:09" (1/1) ... [2022-07-14 04:46:09,704 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:46:09" (1/1) ... [2022-07-14 04:46:09,730 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 04:46:09,731 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 04:46:09,731 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 04:46:09,731 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 04:46:09,732 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:46:09" (1/1) ... [2022-07-14 04:46:09,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 04:46:09,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 04:46:09,753 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) [2022-07-14 04:46:09,768 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 [2022-07-14 04:46:09,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2022-07-14 04:46:09,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2022-07-14 04:46:09,779 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-07-14 04:46:09,779 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-07-14 04:46:09,779 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-07-14 04:46:09,779 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-07-14 04:46:09,780 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-07-14 04:46:09,780 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2022-07-14 04:46:09,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2022-07-14 04:46:09,780 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2022-07-14 04:46:09,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2022-07-14 04:46:09,780 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-14 04:46:09,780 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-14 04:46:09,780 INFO L130 BoogieDeclarations]: Found specification of procedure bpf_prog_destroy [2022-07-14 04:46:09,780 INFO L138 BoogieDeclarations]: Found implementation of procedure bpf_prog_destroy [2022-07-14 04:46:09,781 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2022-07-14 04:46:09,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2022-07-14 04:46:09,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-07-14 04:46:09,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-07-14 04:46:09,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-14 04:46:09,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-14 04:46:09,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__double_init [2022-07-14 04:46:09,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__double_init [2022-07-14 04:46:09,781 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2022-07-14 04:46:09,781 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2022-07-14 04:46:09,782 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-07-14 04:46:09,782 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-07-14 04:46:09,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-07-14 04:46:09,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-07-14 04:46:09,782 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-14 04:46:09,782 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-14 04:46:09,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-14 04:46:09,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-14 04:46:09,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-07-14 04:46:09,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-07-14 04:46:09,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-14 04:46:09,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-07-14 04:46:09,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-07-14 04:46:09,783 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-07-14 04:46:09,783 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-07-14 04:46:09,783 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_output_wakeup [2022-07-14 04:46:09,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_output_wakeup [2022-07-14 04:46:09,783 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-07-14 04:46:09,783 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-07-14 04:46:09,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-07-14 04:46:09,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-07-14 04:46:09,784 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2022-07-14 04:46:09,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2022-07-14 04:46:09,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 04:46:09,784 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-14 04:46:09,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-14 04:46:09,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 04:46:09,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__not_initialized [2022-07-14 04:46:09,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__not_initialized [2022-07-14 04:46:09,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_read_unlock [2022-07-14 04:46:09,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_read_unlock [2022-07-14 04:46:09,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-14 04:46:09,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-14 04:46:09,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 04:46:09,785 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-14 04:46:09,785 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-07-14 04:46:09,786 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-07-14 04:46:09,786 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-07-14 04:46:09,786 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-07-14 04:46:09,786 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-07-14 04:46:09,786 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-07-14 04:46:09,786 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-07-14 04:46:09,786 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-07-14 04:46:09,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-14 04:46:09,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-14 04:46:09,786 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ioctl [2022-07-14 04:46:09,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ioctl [2022-07-14 04:46:09,787 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2022-07-14 04:46:09,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2022-07-14 04:46:09,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_198 [2022-07-14 04:46:09,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_198 [2022-07-14 04:46:09,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 04:46:09,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 04:46:09,787 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-14 04:46:09,787 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-14 04:46:09,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 04:46:09,788 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-07-14 04:46:09,788 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-07-14 04:46:09,788 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2022-07-14 04:46:09,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2022-07-14 04:46:09,788 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2022-07-14 04:46:09,788 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2022-07-14 04:46:09,788 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-14 04:46:09,788 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-14 04:46:09,788 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2022-07-14 04:46:09,789 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2022-07-14 04:46:09,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 04:46:09,789 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 04:46:09,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-07-14 04:46:09,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-07-14 04:46:09,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-07-14 04:46:09,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-07-14 04:46:09,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 04:46:09,789 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-14 04:46:09,789 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-14 04:46:09,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-07-14 04:46:09,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-07-14 04:46:09,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_base_class__double_registration [2022-07-14 04:46:09,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_base_class__double_registration [2022-07-14 04:46:09,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 04:46:09,790 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_send_frame [2022-07-14 04:46:09,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_send_frame [2022-07-14 04:46:09,790 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_error [2022-07-14 04:46:09,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_error [2022-07-14 04:46:09,790 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2022-07-14 04:46:09,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2022-07-14 04:46:09,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_module_put [2022-07-14 04:46:09,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_module_put [2022-07-14 04:46:09,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_idr_alloc_p [2022-07-14 04:46:09,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_idr_alloc_p [2022-07-14 04:46:09,791 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-14 04:46:09,791 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-14 04:46:09,791 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2022-07-14 04:46:09,791 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2022-07-14 04:46:09,791 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2022-07-14 04:46:09,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2022-07-14 04:46:09,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-14 04:46:09,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-14 04:46:09,792 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_dev_init [2022-07-14 04:46:09,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_dev_init [2022-07-14 04:46:09,792 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-14 04:46:09,792 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-14 04:46:09,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-07-14 04:46:09,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-07-14 04:46:09,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-07-14 04:46:09,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-07-14 04:46:09,793 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2022-07-14 04:46:09,793 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2022-07-14 04:46:09,793 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2022-07-14 04:46:09,793 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2022-07-14 04:46:09,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-14 04:46:09,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-14 04:46:09,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 04:46:09,793 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-07-14 04:46:09,793 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-07-14 04:46:09,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 04:46:09,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 04:46:09,794 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2022-07-14 04:46:09,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2022-07-14 04:46:09,794 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-14 04:46:09,794 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-14 04:46:09,794 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-14 04:46:09,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-14 04:46:09,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_all_ppp_mutex_of_ppp_net [2022-07-14 04:46:09,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_all_ppp_mutex_of_ppp_net [2022-07-14 04:46:09,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2022-07-14 04:46:09,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2022-07-14 04:46:09,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2022-07-14 04:46:09,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2022-07-14 04:46:09,795 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2022-07-14 04:46:09,795 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2022-07-14 04:46:09,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-07-14 04:46:09,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-07-14 04:46:09,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 04:46:09,795 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 04:46:09,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_159 [2022-07-14 04:46:09,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_159 [2022-07-14 04:46:09,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 04:46:09,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 04:46:09,796 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2022-07-14 04:46:09,796 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2022-07-14 04:46:09,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-07-14 04:46:09,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-07-14 04:46:09,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-07-14 04:46:09,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-07-14 04:46:09,796 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-14 04:46:09,797 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-14 04:46:09,797 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2022-07-14 04:46:09,797 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2022-07-14 04:46:09,797 INFO L130 BoogieDeclarations]: Found specification of procedure bpf_prog_create [2022-07-14 04:46:09,797 INFO L138 BoogieDeclarations]: Found implementation of procedure bpf_prog_create [2022-07-14 04:46:09,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-14 04:46:09,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-14 04:46:09,797 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-07-14 04:46:09,797 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-07-14 04:46:09,797 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-14 04:46:09,798 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-14 04:46:09,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 04:46:09,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 04:46:09,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-07-14 04:46:09,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-07-14 04:46:09,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 04:46:09,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_write_unlock [2022-07-14 04:46:09,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_write_unlock [2022-07-14 04:46:09,798 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-14 04:46:09,798 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-14 04:46:09,799 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2022-07-14 04:46:09,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2022-07-14 04:46:09,799 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-14 04:46:09,799 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-14 04:46:09,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_197 [2022-07-14 04:46:09,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_197 [2022-07-14 04:46:09,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-14 04:46:09,799 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-14 04:46:09,799 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-14 04:46:09,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_153 [2022-07-14 04:46:09,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_153 [2022-07-14 04:46:09,800 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-14 04:46:09,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-14 04:46:09,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-14 04:46:09,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-07-14 04:46:09,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-07-14 04:46:09,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-07-14 04:46:09,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-07-14 04:46:09,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-07-14 04:46:09,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-07-14 04:46:09,800 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2022-07-14 04:46:09,801 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2022-07-14 04:46:09,801 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_do_recv [2022-07-14 04:46:09,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_do_recv [2022-07-14 04:46:09,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_166 [2022-07-14 04:46:09,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_166 [2022-07-14 04:46:09,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__more_at_exit [2022-07-14 04:46:09,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__more_at_exit [2022-07-14 04:46:09,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-14 04:46:09,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-14 04:46:09,801 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2022-07-14 04:46:09,802 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2022-07-14 04:46:09,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_131 [2022-07-14 04:46:09,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_131 [2022-07-14 04:46:09,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_132 [2022-07-14 04:46:09,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_132 [2022-07-14 04:46:09,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_fs_char_dev__double_registration [2022-07-14 04:46:09,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_fs_char_dev__double_registration [2022-07-14 04:46:09,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-07-14 04:46:09,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-07-14 04:46:09,802 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2022-07-14 04:46:09,802 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2022-07-14 04:46:09,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_ppp_mutex [2022-07-14 04:46:09,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_ppp_mutex [2022-07-14 04:46:09,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__destroyed_before_usage [2022-07-14 04:46:09,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__destroyed_before_usage [2022-07-14 04:46:09,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_write_lock [2022-07-14 04:46:09,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_write_lock [2022-07-14 04:46:09,803 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_init_net [2022-07-14 04:46:09,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_init_net [2022-07-14 04:46:09,803 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 04:46:09,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 04:46:09,804 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-14 04:46:09,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-14 04:46:09,804 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-14 04:46:09,804 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-14 04:46:09,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-07-14 04:46:09,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-07-14 04:46:09,804 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2022-07-14 04:46:09,804 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2022-07-14 04:46:09,804 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2022-07-14 04:46:09,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2022-07-14 04:46:09,805 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-14 04:46:09,805 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-14 04:46:09,805 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-07-14 04:46:09,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-07-14 04:46:09,805 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2022-07-14 04:46:09,805 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2022-07-14 04:46:09,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 04:46:09,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 04:46:09,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 04:46:09,806 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_setup [2022-07-14 04:46:09,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_setup [2022-07-14 04:46:09,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-14 04:46:09,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-14 04:46:09,806 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-14 04:46:09,806 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-14 04:46:09,806 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2022-07-14 04:46:09,806 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2022-07-14 04:46:09,806 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-14 04:46:09,806 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-14 04:46:09,807 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2022-07-14 04:46:09,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2022-07-14 04:46:09,807 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-14 04:46:09,807 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-14 04:46:09,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_all_ppp_mutex_of_ppp_net [2022-07-14 04:46:09,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_all_ppp_mutex_of_ppp_net [2022-07-14 04:46:09,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 04:46:09,807 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-14 04:46:09,807 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-14 04:46:09,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_167 [2022-07-14 04:46:09,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_167 [2022-07-14 04:46:09,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_read_lock [2022-07-14 04:46:09,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_read_lock [2022-07-14 04:46:09,808 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-07-14 04:46:09,808 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-07-14 04:46:09,808 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-14 04:46:09,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-14 04:46:09,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-07-14 04:46:09,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-07-14 04:46:09,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_154 [2022-07-14 04:46:09,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_154 [2022-07-14 04:46:09,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-14 04:46:09,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-14 04:46:09,809 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2022-07-14 04:46:09,809 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_device [2022-07-14 04:46:09,809 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2022-07-14 04:46:09,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2022-07-14 04:46:09,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_ppp_mutex [2022-07-14 04:46:09,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_ppp_mutex [2022-07-14 04:46:09,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-14 04:46:09,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-14 04:46:09,810 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-14 04:46:09,810 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-14 04:46:09,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_133 [2022-07-14 04:46:09,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_133 [2022-07-14 04:46:09,810 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2022-07-14 04:46:09,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2022-07-14 04:46:09,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_134 [2022-07-14 04:46:09,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_134 [2022-07-14 04:46:09,810 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2022-07-14 04:46:09,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_channel [2022-07-14 04:46:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2022-07-14 04:46:09,811 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2022-07-14 04:46:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-07-14 04:46:09,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-07-14 04:46:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 04:46:09,811 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 04:46:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2022-07-14 04:46:09,811 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2022-07-14 04:46:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_nonmp_frame [2022-07-14 04:46:09,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_nonmp_frame [2022-07-14 04:46:09,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-07-14 04:46:09,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-07-14 04:46:09,812 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-07-14 04:46:09,812 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-07-14 04:46:09,812 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-07-14 04:46:09,812 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-07-14 04:46:09,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-07-14 04:46:09,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-07-14 04:46:09,812 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-14 04:46:09,812 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-14 04:46:09,812 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-14 04:46:09,813 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-14 04:46:09,813 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2022-07-14 04:46:09,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2022-07-14 04:46:09,813 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-14 04:46:09,813 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-14 04:46:09,813 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2022-07-14 04:46:09,813 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2022-07-14 04:46:09,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-14 04:46:09,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-14 04:46:09,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-07-14 04:46:09,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-07-14 04:46:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_register_net_channel [2022-07-14 04:46:09,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_register_net_channel [2022-07-14 04:46:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_mp_explode [2022-07-14 04:46:09,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_mp_explode [2022-07-14 04:46:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-14 04:46:09,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-14 04:46:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_poll [2022-07-14 04:46:09,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_poll [2022-07-14 04:46:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 04:46:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-14 04:46:09,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-14 04:46:10,618 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 04:46:10,621 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 04:46:10,743 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 04:46:13,680 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 04:46:13,692 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 04:46:13,692 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2022-07-14 04:46:13,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:46:13 BoogieIcfgContainer [2022-07-14 04:46:13,695 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 04:46:13,696 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 04:46:13,697 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 04:46:13,699 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 04:46:13,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 04:46:04" (1/3) ... [2022-07-14 04:46:13,699 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34ee3b70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 04:46:13, skipping insertion in model container [2022-07-14 04:46:13,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:46:09" (2/3) ... [2022-07-14 04:46:13,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34ee3b70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 04:46:13, skipping insertion in model container [2022-07-14 04:46:13,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:46:13" (3/3) ... [2022-07-14 04:46:13,701 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i [2022-07-14 04:46:13,710 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 04:46:13,710 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2022-07-14 04:46:13,763 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 04:46:13,767 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@7194441a, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1c4b25ad [2022-07-14 04:46:13,767 INFO L358 AbstractCegarLoop]: Starting to check reachability of 44 error locations. [2022-07-14 04:46:13,775 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) [2022-07-14 04:46:13,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-07-14 04:46:13,781 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:46:13,781 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] [2022-07-14 04:46:13,781 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)] === [2022-07-14 04:46:13,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:46:13,784 INFO L85 PathProgramCache]: Analyzing trace with hash -557576269, now seen corresponding path program 1 times [2022-07-14 04:46:13,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:46:13,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840675823] [2022-07-14 04:46:13,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:46:13,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:46:13,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:14,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:46:14,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:14,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-14 04:46:14,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:14,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:46:14,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:14,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:46:14,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:14,274 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-14 04:46:14,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:46:14,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840675823] [2022-07-14 04:46:14,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840675823] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:46:14,278 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:46:14,278 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 04:46:14,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421642328] [2022-07-14 04:46:14,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:46:14,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 04:46:14,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:46:14,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 04:46:14,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:46:14,310 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) [2022-07-14 04:46:14,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:46:14,630 INFO L93 Difference]: Finished difference Result 7914 states and 11535 transitions. [2022-07-14 04:46:14,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 04:46:14,633 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 [2022-07-14 04:46:14,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:46:14,674 INFO L225 Difference]: With dead ends: 7914 [2022-07-14 04:46:14,674 INFO L226 Difference]: Without dead ends: 5221 [2022-07-14 04:46:14,697 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 [2022-07-14 04:46:14,700 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 [2022-07-14 04:46:14,700 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] [2022-07-14 04:46:14,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5221 states. [2022-07-14 04:46:14,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5221 to 5128. [2022-07-14 04:46:14,893 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) [2022-07-14 04:46:14,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5128 states to 5128 states and 7030 transitions. [2022-07-14 04:46:14,921 INFO L78 Accepts]: Start accepts. Automaton has 5128 states and 7030 transitions. Word has length 34 [2022-07-14 04:46:14,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:46:14,922 INFO L495 AbstractCegarLoop]: Abstraction has 5128 states and 7030 transitions. [2022-07-14 04:46:14,922 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) [2022-07-14 04:46:14,922 INFO L276 IsEmpty]: Start isEmpty. Operand 5128 states and 7030 transitions. [2022-07-14 04:46:14,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-07-14 04:46:14,924 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:46:14,924 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] [2022-07-14 04:46:14,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-14 04:46:14,924 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)] === [2022-07-14 04:46:14,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:46:14,925 INFO L85 PathProgramCache]: Analyzing trace with hash -969627705, now seen corresponding path program 1 times [2022-07-14 04:46:14,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:46:14,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354222623] [2022-07-14 04:46:14,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:46:14,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:46:14,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:15,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:46:15,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:15,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-14 04:46:15,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:15,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:46:15,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:15,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:46:15,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:15,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-14 04:46:15,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:15,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:46:15,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:15,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:46:15,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:15,147 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-07-14 04:46:15,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:46:15,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354222623] [2022-07-14 04:46:15,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354222623] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:46:15,148 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:46:15,148 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 04:46:15,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340379098] [2022-07-14 04:46:15,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:46:15,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 04:46:15,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:46:15,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 04:46:15,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:46:15,150 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) [2022-07-14 04:46:15,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:46:15,262 INFO L93 Difference]: Finished difference Result 5128 states and 7030 transitions. [2022-07-14 04:46:15,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 04:46:15,262 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 [2022-07-14 04:46:15,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:46:15,284 INFO L225 Difference]: With dead ends: 5128 [2022-07-14 04:46:15,284 INFO L226 Difference]: Without dead ends: 5126 [2022-07-14 04:46:15,286 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 [2022-07-14 04:46:15,287 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 [2022-07-14 04:46:15,287 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] [2022-07-14 04:46:15,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5126 states. [2022-07-14 04:46:15,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5126 to 5126. [2022-07-14 04:46:15,410 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) [2022-07-14 04:46:15,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5126 states to 5126 states and 7027 transitions. [2022-07-14 04:46:15,431 INFO L78 Accepts]: Start accepts. Automaton has 5126 states and 7027 transitions. Word has length 53 [2022-07-14 04:46:15,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:46:15,432 INFO L495 AbstractCegarLoop]: Abstraction has 5126 states and 7027 transitions. [2022-07-14 04:46:15,432 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) [2022-07-14 04:46:15,432 INFO L276 IsEmpty]: Start isEmpty. Operand 5126 states and 7027 transitions. [2022-07-14 04:46:15,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-07-14 04:46:15,433 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:46:15,433 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] [2022-07-14 04:46:15,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-14 04:46:15,434 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)] === [2022-07-14 04:46:15,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:46:15,434 INFO L85 PathProgramCache]: Analyzing trace with hash -66606166, now seen corresponding path program 1 times [2022-07-14 04:46:15,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:46:15,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435680867] [2022-07-14 04:46:15,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:46:15,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:46:15,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:15,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:46:15,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:15,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:46:15,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:15,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 04:46:15,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:15,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-14 04:46:15,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:15,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:46:15,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:15,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 04:46:15,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:15,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-14 04:46:15,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:15,650 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-14 04:46:15,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:46:15,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435680867] [2022-07-14 04:46:15,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435680867] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:46:15,650 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:46:15,650 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 04:46:15,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440749171] [2022-07-14 04:46:15,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:46:15,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 04:46:15,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:46:15,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 04:46:15,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 04:46:15,652 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) [2022-07-14 04:46:22,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:46:22,117 INFO L93 Difference]: Finished difference Result 5484 states and 7555 transitions. [2022-07-14 04:46:22,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 04:46:22,118 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 [2022-07-14 04:46:22,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:46:22,150 INFO L225 Difference]: With dead ends: 5484 [2022-07-14 04:46:22,150 INFO L226 Difference]: Without dead ends: 5482 [2022-07-14 04:46:22,152 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 [2022-07-14 04:46:22,155 INFO L413 NwaCegarLoop]: 3140 mSDtfsCounter, 6728 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 4394 mSolverCounterSat, 3595 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6847 SdHoareTripleChecker+Valid, 3978 SdHoareTripleChecker+Invalid, 7989 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3595 IncrementalHoareTripleChecker+Valid, 4394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-07-14 04:46:22,156 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6847 Valid, 3978 Invalid, 7989 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3595 Valid, 4394 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2022-07-14 04:46:22,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5482 states. [2022-07-14 04:46:22,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5482 to 5124. [2022-07-14 04:46:22,332 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) [2022-07-14 04:46:22,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5124 states to 5124 states and 7024 transitions. [2022-07-14 04:46:22,353 INFO L78 Accepts]: Start accepts. Automaton has 5124 states and 7024 transitions. Word has length 52 [2022-07-14 04:46:22,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:46:22,355 INFO L495 AbstractCegarLoop]: Abstraction has 5124 states and 7024 transitions. [2022-07-14 04:46:22,355 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) [2022-07-14 04:46:22,355 INFO L276 IsEmpty]: Start isEmpty. Operand 5124 states and 7024 transitions. [2022-07-14 04:46:22,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-07-14 04:46:22,375 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:46:22,375 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] [2022-07-14 04:46:22,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-14 04:46:22,375 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)] === [2022-07-14 04:46:22,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:46:22,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1401725819, now seen corresponding path program 1 times [2022-07-14 04:46:22,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:46:22,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786722223] [2022-07-14 04:46:22,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:46:22,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:46:22,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:22,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:46:22,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:22,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:46:22,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:22,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 04:46:22,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:22,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-14 04:46:22,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:22,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:46:22,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:22,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 04:46:22,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:22,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-14 04:46:22,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:22,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-14 04:46:22,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:22,594 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-14 04:46:22,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:46:22,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786722223] [2022-07-14 04:46:22,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786722223] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:46:22,595 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:46:22,595 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 04:46:22,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108965333] [2022-07-14 04:46:22,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:46:22,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 04:46:22,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:46:22,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 04:46:22,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 04:46:22,596 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) [2022-07-14 04:46:28,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:46:28,390 INFO L93 Difference]: Finished difference Result 5482 states and 7552 transitions. [2022-07-14 04:46:28,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 04:46:28,390 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 [2022-07-14 04:46:28,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:46:28,412 INFO L225 Difference]: With dead ends: 5482 [2022-07-14 04:46:28,412 INFO L226 Difference]: Without dead ends: 5480 [2022-07-14 04:46:28,414 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 [2022-07-14 04:46:28,416 INFO L413 NwaCegarLoop]: 3153 mSDtfsCounter, 6706 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 4407 mSolverCounterSat, 3574 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s 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, 5.4s IncrementalHoareTripleChecker+Time [2022-07-14 04:46:28,417 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6824 Valid, 3991 Invalid, 7981 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3574 Valid, 4407 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2022-07-14 04:46:28,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5480 states. [2022-07-14 04:46:28,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5480 to 5122. [2022-07-14 04:46:28,575 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) [2022-07-14 04:46:28,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5122 states to 5122 states and 7021 transitions. [2022-07-14 04:46:28,596 INFO L78 Accepts]: Start accepts. Automaton has 5122 states and 7021 transitions. Word has length 58 [2022-07-14 04:46:28,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:46:28,596 INFO L495 AbstractCegarLoop]: Abstraction has 5122 states and 7021 transitions. [2022-07-14 04:46:28,596 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) [2022-07-14 04:46:28,596 INFO L276 IsEmpty]: Start isEmpty. Operand 5122 states and 7021 transitions. [2022-07-14 04:46:28,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-07-14 04:46:28,597 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:46:28,598 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] [2022-07-14 04:46:28,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-14 04:46:28,599 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)] === [2022-07-14 04:46:28,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:46:28,600 INFO L85 PathProgramCache]: Analyzing trace with hash 69306552, now seen corresponding path program 1 times [2022-07-14 04:46:28,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:46:28,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730967709] [2022-07-14 04:46:28,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:46:28,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:46:28,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:28,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:46:28,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:28,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:46:28,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:28,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 04:46:28,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:28,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-14 04:46:28,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:28,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:46:28,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:28,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 04:46:28,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:28,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-14 04:46:28,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:28,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-14 04:46:28,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:28,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-14 04:46:28,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:28,796 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-14 04:46:28,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:46:28,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730967709] [2022-07-14 04:46:28,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730967709] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:46:28,797 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:46:28,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 04:46:28,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448141757] [2022-07-14 04:46:28,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:46:28,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 04:46:28,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:46:28,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 04:46:28,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 04:46:28,799 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) [2022-07-14 04:46:32,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:46:32,913 INFO L93 Difference]: Finished difference Result 5480 states and 7549 transitions. [2022-07-14 04:46:32,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 04:46:32,914 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 [2022-07-14 04:46:32,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:46:32,974 INFO L225 Difference]: With dead ends: 5480 [2022-07-14 04:46:32,979 INFO L226 Difference]: Without dead ends: 5478 [2022-07-14 04:46:32,982 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 [2022-07-14 04:46:32,984 INFO L413 NwaCegarLoop]: 3114 mSDtfsCounter, 6758 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 4368 mSolverCounterSat, 3598 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s 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, 3.8s IncrementalHoareTripleChecker+Time [2022-07-14 04:46:32,985 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6875 Valid, 3952 Invalid, 7966 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3598 Valid, 4368 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-07-14 04:46:32,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5478 states. [2022-07-14 04:46:33,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5478 to 5120. [2022-07-14 04:46:33,281 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) [2022-07-14 04:46:33,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5120 states to 5120 states and 7018 transitions. [2022-07-14 04:46:33,368 INFO L78 Accepts]: Start accepts. Automaton has 5120 states and 7018 transitions. Word has length 64 [2022-07-14 04:46:33,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:46:33,369 INFO L495 AbstractCegarLoop]: Abstraction has 5120 states and 7018 transitions. [2022-07-14 04:46:33,369 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) [2022-07-14 04:46:33,369 INFO L276 IsEmpty]: Start isEmpty. Operand 5120 states and 7018 transitions. [2022-07-14 04:46:33,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-07-14 04:46:33,370 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:46:33,370 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] [2022-07-14 04:46:33,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-14 04:46:33,370 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)] === [2022-07-14 04:46:33,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:46:33,372 INFO L85 PathProgramCache]: Analyzing trace with hash -556843342, now seen corresponding path program 1 times [2022-07-14 04:46:33,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:46:33,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760481769] [2022-07-14 04:46:33,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:46:33,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:46:33,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:33,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:46:33,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:33,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:46:33,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:33,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 04:46:33,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:33,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-14 04:46:33,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:33,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:46:33,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:33,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 04:46:33,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:33,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-14 04:46:33,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:33,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 04:46:33,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:33,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-14 04:46:33,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:33,578 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-14 04:46:33,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:46:33,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760481769] [2022-07-14 04:46:33,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760481769] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:46:33,579 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:46:33,579 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-14 04:46:33,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76051124] [2022-07-14 04:46:33,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:46:33,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-14 04:46:33,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:46:33,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-14 04:46:33,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-14 04:46:33,580 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) [2022-07-14 04:46:42,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:46:42,263 INFO L93 Difference]: Finished difference Result 6474 states and 8694 transitions. [2022-07-14 04:46:42,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-14 04:46:42,264 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 [2022-07-14 04:46:42,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:46:42,301 INFO L225 Difference]: With dead ends: 6474 [2022-07-14 04:46:42,301 INFO L226 Difference]: Without dead ends: 6265 [2022-07-14 04:46:42,321 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 [2022-07-14 04:46:42,322 INFO L413 NwaCegarLoop]: 3181 mSDtfsCounter, 5148 mSDsluCounter, 1844 mSDsCounter, 0 mSdLazyCounter, 14966 mSolverCounterSat, 2728 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s 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, 8.2s IncrementalHoareTripleChecker+Time [2022-07-14 04:46:42,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5267 Valid, 5025 Invalid, 17694 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2728 Valid, 14966 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2022-07-14 04:46:42,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6265 states. [2022-07-14 04:46:42,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6265 to 5498. [2022-07-14 04:46:42,546 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) [2022-07-14 04:46:42,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5498 states to 5498 states and 7482 transitions. [2022-07-14 04:46:42,564 INFO L78 Accepts]: Start accepts. Automaton has 5498 states and 7482 transitions. Word has length 66 [2022-07-14 04:46:42,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:46:42,564 INFO L495 AbstractCegarLoop]: Abstraction has 5498 states and 7482 transitions. [2022-07-14 04:46:42,564 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) [2022-07-14 04:46:42,564 INFO L276 IsEmpty]: Start isEmpty. Operand 5498 states and 7482 transitions. [2022-07-14 04:46:42,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-07-14 04:46:42,565 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:46:42,565 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] [2022-07-14 04:46:42,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-14 04:46:42,566 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)] === [2022-07-14 04:46:42,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:46:42,567 INFO L85 PathProgramCache]: Analyzing trace with hash -1292387120, now seen corresponding path program 1 times [2022-07-14 04:46:42,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:46:42,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390169550] [2022-07-14 04:46:42,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:46:42,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:46:42,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:42,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:46:42,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:42,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:46:42,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:42,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 04:46:42,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:42,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-14 04:46:42,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:42,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:46:42,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:42,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 04:46:42,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:42,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-14 04:46:42,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:42,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-14 04:46:42,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:42,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-14 04:46:42,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:42,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-14 04:46:42,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:42,739 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-14 04:46:42,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:46:42,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390169550] [2022-07-14 04:46:42,740 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390169550] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:46:42,740 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:46:42,740 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 04:46:42,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542581864] [2022-07-14 04:46:42,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:46:42,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 04:46:42,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:46:42,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 04:46:42,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 04:46:42,741 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) [2022-07-14 04:46:48,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:46:48,546 INFO L93 Difference]: Finished difference Result 5856 states and 8010 transitions. [2022-07-14 04:46:48,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 04:46:48,547 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 [2022-07-14 04:46:48,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:46:48,561 INFO L225 Difference]: With dead ends: 5856 [2022-07-14 04:46:48,561 INFO L226 Difference]: Without dead ends: 5854 [2022-07-14 04:46:48,563 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 [2022-07-14 04:46:48,563 INFO L413 NwaCegarLoop]: 3184 mSDtfsCounter, 6626 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 4438 mSolverCounterSat, 3571 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s 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, 5.5s IncrementalHoareTripleChecker+Time [2022-07-14 04:46:48,563 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6742 Valid, 4022 Invalid, 8009 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3571 Valid, 4438 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2022-07-14 04:46:48,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5854 states. [2022-07-14 04:46:48,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5854 to 5496. [2022-07-14 04:46:48,704 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) [2022-07-14 04:46:48,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5496 states to 5496 states and 7479 transitions. [2022-07-14 04:46:48,720 INFO L78 Accepts]: Start accepts. Automaton has 5496 states and 7479 transitions. Word has length 70 [2022-07-14 04:46:48,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:46:48,721 INFO L495 AbstractCegarLoop]: Abstraction has 5496 states and 7479 transitions. [2022-07-14 04:46:48,722 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) [2022-07-14 04:46:48,722 INFO L276 IsEmpty]: Start isEmpty. Operand 5496 states and 7479 transitions. [2022-07-14 04:46:48,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-07-14 04:46:48,722 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:46:48,723 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] [2022-07-14 04:46:48,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-14 04:46:48,723 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)] === [2022-07-14 04:46:48,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:46:48,723 INFO L85 PathProgramCache]: Analyzing trace with hash 390811223, now seen corresponding path program 1 times [2022-07-14 04:46:48,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:46:48,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36533356] [2022-07-14 04:46:48,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:46:48,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:46:48,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:48,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:46:48,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:48,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:46:48,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:48,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 04:46:48,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:48,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-14 04:46:48,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:48,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:46:48,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:48,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 04:46:48,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:48,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-14 04:46:48,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:48,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 04:46:48,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:48,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-14 04:46:48,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:48,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-14 04:46:48,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:48,908 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-07-14 04:46:48,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:46:48,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36533356] [2022-07-14 04:46:48,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36533356] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:46:48,909 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:46:48,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-14 04:46:48,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638936797] [2022-07-14 04:46:48,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:46:48,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-14 04:46:48,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:46:48,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-14 04:46:48,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-14 04:46:48,910 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) [2022-07-14 04:46:59,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:46:59,064 INFO L93 Difference]: Finished difference Result 6451 states and 8666 transitions. [2022-07-14 04:46:59,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-14 04:46:59,064 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 [2022-07-14 04:46:59,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:46:59,082 INFO L225 Difference]: With dead ends: 6451 [2022-07-14 04:46:59,082 INFO L226 Difference]: Without dead ends: 6244 [2022-07-14 04:46:59,085 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 [2022-07-14 04:46:59,086 INFO L413 NwaCegarLoop]: 3207 mSDtfsCounter, 5103 mSDsluCounter, 1847 mSDsCounter, 0 mSdLazyCounter, 15072 mSolverCounterSat, 2723 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5221 SdHoareTripleChecker+Valid, 5054 SdHoareTripleChecker+Invalid, 17795 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2723 IncrementalHoareTripleChecker+Valid, 15072 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2022-07-14 04:46:59,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5221 Valid, 5054 Invalid, 17795 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2723 Valid, 15072 Invalid, 0 Unknown, 0 Unchecked, 9.8s Time] [2022-07-14 04:46:59,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6244 states. [2022-07-14 04:46:59,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6244 to 5496. [2022-07-14 04:46:59,220 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) [2022-07-14 04:46:59,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5496 states to 5496 states and 7478 transitions. [2022-07-14 04:46:59,233 INFO L78 Accepts]: Start accepts. Automaton has 5496 states and 7478 transitions. Word has length 72 [2022-07-14 04:46:59,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:46:59,234 INFO L495 AbstractCegarLoop]: Abstraction has 5496 states and 7478 transitions. [2022-07-14 04:46:59,234 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) [2022-07-14 04:46:59,234 INFO L276 IsEmpty]: Start isEmpty. Operand 5496 states and 7478 transitions. [2022-07-14 04:46:59,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-07-14 04:46:59,235 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:46:59,235 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] [2022-07-14 04:46:59,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-14 04:46:59,235 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)] === [2022-07-14 04:46:59,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:46:59,236 INFO L85 PathProgramCache]: Analyzing trace with hash -2129148711, now seen corresponding path program 1 times [2022-07-14 04:46:59,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:46:59,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600025209] [2022-07-14 04:46:59,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:46:59,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:46:59,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:59,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:46:59,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:59,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:46:59,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:59,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 04:46:59,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:59,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-14 04:46:59,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:59,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:46:59,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:59,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 04:46:59,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:59,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-14 04:46:59,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:59,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 04:46:59,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:59,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-14 04:46:59,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:59,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-14 04:46:59,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:59,541 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-14 04:46:59,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:46:59,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600025209] [2022-07-14 04:46:59,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600025209] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:46:59,542 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:46:59,542 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-07-14 04:46:59,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424105953] [2022-07-14 04:46:59,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:46:59,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-07-14 04:46:59,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:46:59,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-07-14 04:46:59,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-07-14 04:46:59,544 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) [2022-07-14 04:47:21,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:47:21,551 INFO L93 Difference]: Finished difference Result 6635 states and 8931 transitions. [2022-07-14 04:47:21,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-07-14 04:47:21,551 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 [2022-07-14 04:47:21,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:47:21,606 INFO L225 Difference]: With dead ends: 6635 [2022-07-14 04:47:21,606 INFO L226 Difference]: Without dead ends: 5959 [2022-07-14 04:47:21,612 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=141, Invalid=729, Unknown=0, NotChecked=0, Total=870 [2022-07-14 04:47:21,613 INFO L413 NwaCegarLoop]: 3154 mSDtfsCounter, 4241 mSDsluCounter, 5048 mSDsCounter, 0 mSdLazyCounter, 45154 mSolverCounterSat, 2658 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.7s 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, 21.2s IncrementalHoareTripleChecker+Time [2022-07-14 04:47:21,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4307 Valid, 8202 Invalid, 47812 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2658 Valid, 45154 Invalid, 0 Unknown, 0 Unchecked, 21.2s Time] [2022-07-14 04:47:21,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5959 states. [2022-07-14 04:47:21,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5959 to 5548. [2022-07-14 04:47:21,951 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) [2022-07-14 04:47:21,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5548 states to 5548 states and 7548 transitions. [2022-07-14 04:47:21,981 INFO L78 Accepts]: Start accepts. Automaton has 5548 states and 7548 transitions. Word has length 72 [2022-07-14 04:47:21,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:47:21,982 INFO L495 AbstractCegarLoop]: Abstraction has 5548 states and 7548 transitions. [2022-07-14 04:47:21,982 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) [2022-07-14 04:47:21,982 INFO L276 IsEmpty]: Start isEmpty. Operand 5548 states and 7548 transitions. [2022-07-14 04:47:21,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-07-14 04:47:21,983 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:47:21,983 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] [2022-07-14 04:47:21,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-14 04:47:21,983 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)] === [2022-07-14 04:47:21,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:47:21,983 INFO L85 PathProgramCache]: Analyzing trace with hash -990300831, now seen corresponding path program 1 times [2022-07-14 04:47:21,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:47:21,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201217089] [2022-07-14 04:47:21,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:47:21,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:47:22,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:47:22,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:47:22,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:47:22,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:47:22,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:47:22,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 04:47:22,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:47:22,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-14 04:47:22,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:47:22,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:47:22,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:47:22,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 04:47:22,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:47:22,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-14 04:47:22,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:47:22,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-14 04:47:22,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:47:22,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-14 04:47:22,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:47:22,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-14 04:47:22,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:47:22,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 04:47:22,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:47:22,126 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-14 04:47:22,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:47:22,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201217089] [2022-07-14 04:47:22,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201217089] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:47:22,127 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:47:22,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 04:47:22,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335750503] [2022-07-14 04:47:22,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:47:22,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 04:47:22,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:47:22,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 04:47:22,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 04:47:22,128 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) [2022-07-14 04:47:28,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:47:28,556 INFO L93 Difference]: Finished difference Result 6938 states and 9271 transitions. [2022-07-14 04:47:28,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-14 04:47:28,556 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 [2022-07-14 04:47:28,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:47:28,623 INFO L225 Difference]: With dead ends: 6938 [2022-07-14 04:47:28,623 INFO L226 Difference]: Without dead ends: 6936 [2022-07-14 04:47:28,626 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 [2022-07-14 04:47:28,629 INFO L413 NwaCegarLoop]: 3388 mSDtfsCounter, 7006 mSDsluCounter, 1200 mSDsCounter, 0 mSdLazyCounter, 5041 mSolverCounterSat, 3686 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s 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, 6.1s IncrementalHoareTripleChecker+Time [2022-07-14 04:47:28,630 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7121 Valid, 4588 Invalid, 8727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3686 Valid, 5041 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2022-07-14 04:47:28,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6936 states. [2022-07-14 04:47:28,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6936 to 6311. [2022-07-14 04:47:28,810 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) [2022-07-14 04:47:28,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6311 states to 6311 states and 8448 transitions. [2022-07-14 04:47:28,830 INFO L78 Accepts]: Start accepts. Automaton has 6311 states and 8448 transitions. Word has length 76 [2022-07-14 04:47:28,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:47:28,830 INFO L495 AbstractCegarLoop]: Abstraction has 6311 states and 8448 transitions. [2022-07-14 04:47:28,830 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) [2022-07-14 04:47:28,831 INFO L276 IsEmpty]: Start isEmpty. Operand 6311 states and 8448 transitions. [2022-07-14 04:47:28,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-07-14 04:47:28,832 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:47:28,832 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] [2022-07-14 04:47:28,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-14 04:47:28,833 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)] === [2022-07-14 04:47:28,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:47:28,833 INFO L85 PathProgramCache]: Analyzing trace with hash -1133077380, now seen corresponding path program 1 times [2022-07-14 04:47:28,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:47:28,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421147370] [2022-07-14 04:47:28,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:47:28,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:47:28,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:47:28,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:47:28,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:47:28,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:47:28,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:47:28,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 04:47:28,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:47:28,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-14 04:47:28,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:47:28,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:47:28,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:47:28,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 04:47:28,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:47:28,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-14 04:47:28,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:47:28,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-14 04:47:28,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:47:28,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-14 04:47:28,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:47:28,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-14 04:47:28,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:47:28,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 04:47:28,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:47:28,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-14 04:47:29,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:47:29,004 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-14 04:47:29,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:47:29,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421147370] [2022-07-14 04:47:29,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421147370] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:47:29,005 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:47:29,005 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 04:47:29,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186694411] [2022-07-14 04:47:29,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:47:29,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 04:47:29,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:47:29,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 04:47:29,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 04:47:29,007 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) [2022-07-14 04:47:39,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:47:39,989 INFO L93 Difference]: Finished difference Result 6833 states and 9123 transitions. [2022-07-14 04:47:39,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-14 04:47:39,989 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 [2022-07-14 04:47:39,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:47:40,016 INFO L225 Difference]: With dead ends: 6833 [2022-07-14 04:47:40,016 INFO L226 Difference]: Without dead ends: 6831 [2022-07-14 04:47:40,021 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 [2022-07-14 04:47:40,022 INFO L413 NwaCegarLoop]: 3266 mSDtfsCounter, 10812 mSDsluCounter, 1136 mSDsCounter, 0 mSdLazyCounter, 9217 mSolverCounterSat, 5949 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10968 SdHoareTripleChecker+Valid, 4402 SdHoareTripleChecker+Invalid, 15166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5949 IncrementalHoareTripleChecker+Valid, 9217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2022-07-14 04:47:40,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10968 Valid, 4402 Invalid, 15166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5949 Valid, 9217 Invalid, 0 Unknown, 0 Unchecked, 10.5s Time] [2022-07-14 04:47:40,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6831 states. [2022-07-14 04:47:40,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6831 to 6311. [2022-07-14 04:47:40,297 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) [2022-07-14 04:47:40,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6311 states to 6311 states and 8447 transitions. [2022-07-14 04:47:40,321 INFO L78 Accepts]: Start accepts. Automaton has 6311 states and 8447 transitions. Word has length 82 [2022-07-14 04:47:40,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:47:40,321 INFO L495 AbstractCegarLoop]: Abstraction has 6311 states and 8447 transitions. [2022-07-14 04:47:40,322 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) [2022-07-14 04:47:40,322 INFO L276 IsEmpty]: Start isEmpty. Operand 6311 states and 8447 transitions. [2022-07-14 04:47:40,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-07-14 04:47:40,323 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:47:40,323 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] [2022-07-14 04:47:40,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-14 04:47:40,323 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)] === [2022-07-14 04:47:40,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:47:40,324 INFO L85 PathProgramCache]: Analyzing trace with hash 1470553012, now seen corresponding path program 1 times [2022-07-14 04:47:40,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:47:40,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291354258] [2022-07-14 04:47:40,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:47:40,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:47:40,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:47:40,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:47:40,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:47:40,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:47:40,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:47:40,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 04:47:40,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:47:40,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-14 04:47:40,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:47:40,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:47:40,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:47:40,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 04:47:40,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:47:40,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-14 04:47:40,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:47:40,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-14 04:47:40,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:47:40,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-14 04:47:40,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:47:40,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-14 04:47:40,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:47:40,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 04:47:40,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:47:40,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-14 04:47:40,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:47:40,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-14 04:47:40,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:47:40,569 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-14 04:47:40,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:47:40,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291354258] [2022-07-14 04:47:40,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291354258] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:47:40,570 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:47:40,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 04:47:40,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146616538] [2022-07-14 04:47:40,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:47:40,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 04:47:40,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:47:40,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 04:47:40,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 04:47:40,571 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) [2022-07-14 04:47:47,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:47:47,386 INFO L93 Difference]: Finished difference Result 6669 states and 8975 transitions. [2022-07-14 04:47:47,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 04:47:47,386 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 [2022-07-14 04:47:47,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:47:47,435 INFO L225 Difference]: With dead ends: 6669 [2022-07-14 04:47:47,447 INFO L226 Difference]: Without dead ends: 6667 [2022-07-14 04:47:47,454 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 [2022-07-14 04:47:47,455 INFO L413 NwaCegarLoop]: 3173 mSDtfsCounter, 6630 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 4427 mSolverCounterSat, 3583 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s 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, 6.5s IncrementalHoareTripleChecker+Time [2022-07-14 04:47:47,455 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6743 Valid, 4011 Invalid, 8010 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3583 Valid, 4427 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2022-07-14 04:47:47,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6667 states. [2022-07-14 04:47:47,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6667 to 6309. [2022-07-14 04:47:47,983 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) [2022-07-14 04:47:48,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6309 states to 6309 states and 8444 transitions. [2022-07-14 04:47:48,019 INFO L78 Accepts]: Start accepts. Automaton has 6309 states and 8444 transitions. Word has length 88 [2022-07-14 04:47:48,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:47:48,019 INFO L495 AbstractCegarLoop]: Abstraction has 6309 states and 8444 transitions. [2022-07-14 04:47:48,019 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) [2022-07-14 04:47:48,020 INFO L276 IsEmpty]: Start isEmpty. Operand 6309 states and 8444 transitions. [2022-07-14 04:47:48,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-07-14 04:47:48,021 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:47:48,022 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] [2022-07-14 04:47:48,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-14 04:47:48,022 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)] === [2022-07-14 04:47:48,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:47:48,022 INFO L85 PathProgramCache]: Analyzing trace with hash -1697529068, now seen corresponding path program 1 times [2022-07-14 04:47:48,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:47:48,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128919686] [2022-07-14 04:47:48,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:47:48,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:47:48,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:47:48,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:47:48,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:47:48,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:47:48,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:47:48,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 04:47:48,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:47:48,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-14 04:47:48,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:47:48,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:47:48,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:47:48,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 04:47:48,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:47:48,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-14 04:47:48,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:47:48,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-14 04:47:48,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:47:48,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-14 04:47:48,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:47:48,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-14 04:47:48,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:47:48,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 04:47:48,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:47:48,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-14 04:47:48,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:47:48,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-14 04:47:48,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:47:48,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-14 04:47:48,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:47:48,360 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-14 04:47:48,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:47:48,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128919686] [2022-07-14 04:47:48,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128919686] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:47:48,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:47:48,361 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 04:47:48,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19049534] [2022-07-14 04:47:48,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:47:48,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 04:47:48,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:47:48,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 04:47:48,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 04:47:48,362 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) [2022-07-14 04:48:01,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:48:01,242 INFO L93 Difference]: Finished difference Result 11830 states and 15980 transitions. [2022-07-14 04:48:01,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-14 04:48:01,243 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 [2022-07-14 04:48:01,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:48:01,304 INFO L225 Difference]: With dead ends: 11830 [2022-07-14 04:48:01,305 INFO L226 Difference]: Without dead ends: 11828 [2022-07-14 04:48:01,311 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 [2022-07-14 04:48:01,328 INFO L413 NwaCegarLoop]: 3301 mSDtfsCounter, 9723 mSDsluCounter, 1145 mSDsCounter, 0 mSdLazyCounter, 9180 mSolverCounterSat, 5506 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9876 SdHoareTripleChecker+Valid, 4446 SdHoareTripleChecker+Invalid, 14686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5506 IncrementalHoareTripleChecker+Valid, 9180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2022-07-14 04:48:01,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9876 Valid, 4446 Invalid, 14686 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5506 Valid, 9180 Invalid, 0 Unknown, 0 Unchecked, 12.2s Time] [2022-07-14 04:48:01,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11828 states. [2022-07-14 04:48:02,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11828 to 10877. [2022-07-14 04:48:02,056 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) [2022-07-14 04:48:02,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10877 states to 10877 states and 14664 transitions. [2022-07-14 04:48:02,116 INFO L78 Accepts]: Start accepts. Automaton has 10877 states and 14664 transitions. Word has length 94 [2022-07-14 04:48:02,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:48:02,117 INFO L495 AbstractCegarLoop]: Abstraction has 10877 states and 14664 transitions. [2022-07-14 04:48:02,117 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) [2022-07-14 04:48:02,117 INFO L276 IsEmpty]: Start isEmpty. Operand 10877 states and 14664 transitions. [2022-07-14 04:48:02,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-07-14 04:48:02,120 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:48:02,120 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] [2022-07-14 04:48:02,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-14 04:48:02,121 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)] === [2022-07-14 04:48:02,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:48:02,121 INFO L85 PathProgramCache]: Analyzing trace with hash 478715272, now seen corresponding path program 1 times [2022-07-14 04:48:02,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:48:02,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239524358] [2022-07-14 04:48:02,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:48:02,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:48:02,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:02,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:48:02,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:02,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-14 04:48:02,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:02,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:48:02,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:02,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:48:02,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:02,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-14 04:48:02,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:02,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:48:02,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:02,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:48:02,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:02,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-14 04:48:02,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:02,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 04:48:02,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:02,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-14 04:48:02,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:02,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-14 04:48:02,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:02,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:48:02,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:02,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-14 04:48:02,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:02,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-14 04:48:02,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:02,447 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2022-07-14 04:48:02,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:48:02,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239524358] [2022-07-14 04:48:02,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239524358] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:48:02,448 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:48:02,448 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-14 04:48:02,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199426681] [2022-07-14 04:48:02,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:48:02,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-14 04:48:02,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:48:02,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-14 04:48:02,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2022-07-14 04:48:02,450 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) [2022-07-14 04:48:09,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:48:09,693 INFO L93 Difference]: Finished difference Result 14084 states and 19363 transitions. [2022-07-14 04:48:09,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-14 04:48:09,694 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 [2022-07-14 04:48:09,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:48:09,738 INFO L225 Difference]: With dead ends: 14084 [2022-07-14 04:48:09,739 INFO L226 Difference]: Without dead ends: 12430 [2022-07-14 04:48:09,751 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 [2022-07-14 04:48:09,751 INFO L413 NwaCegarLoop]: 3775 mSDtfsCounter, 2134 mSDsluCounter, 21629 mSDsCounter, 0 mSdLazyCounter, 12498 mSolverCounterSat, 1333 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2396 SdHoareTripleChecker+Valid, 25404 SdHoareTripleChecker+Invalid, 13831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1333 IncrementalHoareTripleChecker+Valid, 12498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-07-14 04:48:09,752 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2396 Valid, 25404 Invalid, 13831 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1333 Valid, 12498 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2022-07-14 04:48:09,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12430 states. [2022-07-14 04:48:10,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12430 to 10796. [2022-07-14 04:48:10,208 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) [2022-07-14 04:48:10,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10796 states to 10796 states and 14582 transitions. [2022-07-14 04:48:10,247 INFO L78 Accepts]: Start accepts. Automaton has 10796 states and 14582 transitions. Word has length 99 [2022-07-14 04:48:10,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:48:10,247 INFO L495 AbstractCegarLoop]: Abstraction has 10796 states and 14582 transitions. [2022-07-14 04:48:10,248 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) [2022-07-14 04:48:10,248 INFO L276 IsEmpty]: Start isEmpty. Operand 10796 states and 14582 transitions. [2022-07-14 04:48:10,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-07-14 04:48:10,249 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:48:10,249 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] [2022-07-14 04:48:10,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-14 04:48:10,249 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)] === [2022-07-14 04:48:10,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:48:10,250 INFO L85 PathProgramCache]: Analyzing trace with hash 762298967, now seen corresponding path program 1 times [2022-07-14 04:48:10,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:48:10,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527063626] [2022-07-14 04:48:10,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:48:10,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:48:10,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:10,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:48:10,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:10,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:48:10,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:10,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 04:48:10,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:10,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-14 04:48:10,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:10,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:48:10,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:10,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 04:48:10,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:10,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-14 04:48:10,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:10,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-14 04:48:10,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:10,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-14 04:48:10,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:10,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-14 04:48:10,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:10,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 04:48:10,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:10,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-14 04:48:10,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:10,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-14 04:48:10,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:10,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-14 04:48:10,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:10,457 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-14 04:48:10,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:48:10,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527063626] [2022-07-14 04:48:10,458 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527063626] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:48:10,458 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:48:10,458 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 04:48:10,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109181097] [2022-07-14 04:48:10,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:48:10,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 04:48:10,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:48:10,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 04:48:10,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 04:48:10,459 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) [2022-07-14 04:48:15,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:48:15,425 INFO L93 Difference]: Finished difference Result 11752 states and 15904 transitions. [2022-07-14 04:48:15,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-14 04:48:15,425 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 [2022-07-14 04:48:15,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:48:15,532 INFO L225 Difference]: With dead ends: 11752 [2022-07-14 04:48:15,532 INFO L226 Difference]: Without dead ends: 11750 [2022-07-14 04:48:15,540 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 [2022-07-14 04:48:15,541 INFO L413 NwaCegarLoop]: 3122 mSDtfsCounter, 6765 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 4504 mSolverCounterSat, 3636 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s 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, 4.4s IncrementalHoareTripleChecker+Time [2022-07-14 04:48:15,541 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6872 Valid, 3960 Invalid, 8140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3636 Valid, 4504 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-07-14 04:48:15,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11750 states. [2022-07-14 04:48:16,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11750 to 11030. [2022-07-14 04:48:16,332 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) [2022-07-14 04:48:16,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11030 states to 11030 states and 14825 transitions. [2022-07-14 04:48:16,407 INFO L78 Accepts]: Start accepts. Automaton has 11030 states and 14825 transitions. Word has length 96 [2022-07-14 04:48:16,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:48:16,411 INFO L495 AbstractCegarLoop]: Abstraction has 11030 states and 14825 transitions. [2022-07-14 04:48:16,411 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) [2022-07-14 04:48:16,411 INFO L276 IsEmpty]: Start isEmpty. Operand 11030 states and 14825 transitions. [2022-07-14 04:48:16,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-07-14 04:48:16,417 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:48:16,417 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] [2022-07-14 04:48:16,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-14 04:48:16,418 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)] === [2022-07-14 04:48:16,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:48:16,418 INFO L85 PathProgramCache]: Analyzing trace with hash 1936689382, now seen corresponding path program 1 times [2022-07-14 04:48:16,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:48:16,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159789530] [2022-07-14 04:48:16,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:48:16,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:48:16,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:16,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:48:16,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:16,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:48:16,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:16,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 04:48:16,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:16,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-14 04:48:16,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:16,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:48:16,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:16,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 04:48:16,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:16,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-14 04:48:16,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:16,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-14 04:48:16,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:16,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-14 04:48:16,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:16,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-14 04:48:16,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:16,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 04:48:16,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:16,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-14 04:48:16,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:16,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-14 04:48:16,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:16,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-14 04:48:16,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:16,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-14 04:48:16,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:16,747 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-14 04:48:16,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:48:16,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159789530] [2022-07-14 04:48:16,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159789530] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:48:16,749 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:48:16,750 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 04:48:16,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57634516] [2022-07-14 04:48:16,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:48:16,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 04:48:16,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:48:16,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 04:48:16,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 04:48:16,751 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) [2022-07-14 04:48:27,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:48:27,294 INFO L93 Difference]: Finished difference Result 22733 states and 31150 transitions. [2022-07-14 04:48:27,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-14 04:48:27,295 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 [2022-07-14 04:48:27,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:48:27,427 INFO L225 Difference]: With dead ends: 22733 [2022-07-14 04:48:27,427 INFO L226 Difference]: Without dead ends: 22731 [2022-07-14 04:48:27,442 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 [2022-07-14 04:48:27,460 INFO L413 NwaCegarLoop]: 3267 mSDtfsCounter, 10843 mSDsluCounter, 1145 mSDsCounter, 0 mSdLazyCounter, 9266 mSolverCounterSat, 6066 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10995 SdHoareTripleChecker+Valid, 4412 SdHoareTripleChecker+Invalid, 15332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6066 IncrementalHoareTripleChecker+Valid, 9266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2022-07-14 04:48:27,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10995 Valid, 4412 Invalid, 15332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6066 Valid, 9266 Invalid, 0 Unknown, 0 Unchecked, 9.5s Time] [2022-07-14 04:48:27,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22731 states. [2022-07-14 04:48:28,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22731 to 21081. [2022-07-14 04:48:28,822 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) [2022-07-14 04:48:28,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21081 states to 21081 states and 28752 transitions. [2022-07-14 04:48:28,944 INFO L78 Accepts]: Start accepts. Automaton has 21081 states and 28752 transitions. Word has length 102 [2022-07-14 04:48:28,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:48:28,960 INFO L495 AbstractCegarLoop]: Abstraction has 21081 states and 28752 transitions. [2022-07-14 04:48:28,960 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) [2022-07-14 04:48:28,960 INFO L276 IsEmpty]: Start isEmpty. Operand 21081 states and 28752 transitions. [2022-07-14 04:48:28,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-07-14 04:48:28,961 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:48:28,962 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] [2022-07-14 04:48:28,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-14 04:48:28,962 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)] === [2022-07-14 04:48:28,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:48:28,962 INFO L85 PathProgramCache]: Analyzing trace with hash -106955744, now seen corresponding path program 1 times [2022-07-14 04:48:28,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:48:28,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910524594] [2022-07-14 04:48:28,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:48:28,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:48:29,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:29,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:48:29,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:29,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-14 04:48:29,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:29,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:48:29,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:29,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:48:29,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:29,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-14 04:48:29,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:29,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-14 04:48:29,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:29,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:48:29,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:29,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:48:29,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:29,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 04:48:29,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:29,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-14 04:48:29,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:29,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-14 04:48:29,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:29,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 04:48:29,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:29,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:48:29,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:29,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 04:48:29,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:29,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-14 04:48:29,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:29,148 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2022-07-14 04:48:29,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:48:29,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910524594] [2022-07-14 04:48:29,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910524594] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:48:29,149 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:48:29,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 04:48:29,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925037715] [2022-07-14 04:48:29,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:48:29,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 04:48:29,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:48:29,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 04:48:29,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 04:48:29,150 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) [2022-07-14 04:48:35,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:48:35,359 INFO L93 Difference]: Finished difference Result 24541 states and 34538 transitions. [2022-07-14 04:48:35,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 04:48:35,360 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 [2022-07-14 04:48:35,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:48:35,430 INFO L225 Difference]: With dead ends: 24541 [2022-07-14 04:48:35,430 INFO L226 Difference]: Without dead ends: 24539 [2022-07-14 04:48:35,440 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 [2022-07-14 04:48:35,441 INFO L413 NwaCegarLoop]: 3768 mSDtfsCounter, 4862 mSDsluCounter, 6741 mSDsCounter, 0 mSdLazyCounter, 4421 mSolverCounterSat, 1676 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5288 SdHoareTripleChecker+Valid, 10509 SdHoareTripleChecker+Invalid, 6097 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1676 IncrementalHoareTripleChecker+Valid, 4421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-07-14 04:48:35,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5288 Valid, 10509 Invalid, 6097 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1676 Valid, 4421 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-07-14 04:48:35,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24539 states. [2022-07-14 04:48:36,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24539 to 22435. [2022-07-14 04:48:36,493 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) [2022-07-14 04:48:36,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22435 states to 22435 states and 31111 transitions. [2022-07-14 04:48:36,578 INFO L78 Accepts]: Start accepts. Automaton has 22435 states and 31111 transitions. Word has length 106 [2022-07-14 04:48:36,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:48:36,579 INFO L495 AbstractCegarLoop]: Abstraction has 22435 states and 31111 transitions. [2022-07-14 04:48:36,579 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) [2022-07-14 04:48:36,579 INFO L276 IsEmpty]: Start isEmpty. Operand 22435 states and 31111 transitions. [2022-07-14 04:48:36,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-07-14 04:48:36,580 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:48:36,581 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] [2022-07-14 04:48:36,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-14 04:48:36,581 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)] === [2022-07-14 04:48:36,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:48:36,581 INFO L85 PathProgramCache]: Analyzing trace with hash -753317812, now seen corresponding path program 1 times [2022-07-14 04:48:36,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:48:36,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507832165] [2022-07-14 04:48:36,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:48:36,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:48:36,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:36,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:48:36,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:36,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:48:36,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:36,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 04:48:36,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:36,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-14 04:48:36,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:36,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:48:36,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:36,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 04:48:36,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:36,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-14 04:48:36,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:36,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-14 04:48:36,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:36,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-14 04:48:36,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:36,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-14 04:48:36,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:36,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 04:48:36,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:36,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-14 04:48:36,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:36,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-14 04:48:36,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:36,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-14 04:48:36,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:36,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-14 04:48:36,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:36,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 04:48:36,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:36,749 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-14 04:48:36,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:48:36,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507832165] [2022-07-14 04:48:36,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507832165] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:48:36,749 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:48:36,749 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 04:48:36,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266878436] [2022-07-14 04:48:36,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:48:36,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 04:48:36,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:48:36,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 04:48:36,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 04:48:36,751 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) [2022-07-14 04:48:43,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:48:43,755 INFO L93 Difference]: Finished difference Result 23867 states and 33305 transitions. [2022-07-14 04:48:43,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 04:48:43,756 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 [2022-07-14 04:48:43,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:48:43,855 INFO L225 Difference]: With dead ends: 23867 [2022-07-14 04:48:43,855 INFO L226 Difference]: Without dead ends: 23865 [2022-07-14 04:48:43,868 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 [2022-07-14 04:48:43,870 INFO L413 NwaCegarLoop]: 3130 mSDtfsCounter, 6690 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 4384 mSolverCounterSat, 3577 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s 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, 5.8s IncrementalHoareTripleChecker+Time [2022-07-14 04:48:43,871 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6800 Valid, 3968 Invalid, 7961 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3577 Valid, 4384 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2022-07-14 04:48:43,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23865 states. [2022-07-14 04:48:44,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23865 to 22433. [2022-07-14 04:48:44,980 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) [2022-07-14 04:48:45,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22433 states to 22433 states and 31108 transitions. [2022-07-14 04:48:45,074 INFO L78 Accepts]: Start accepts. Automaton has 22433 states and 31108 transitions. Word has length 108 [2022-07-14 04:48:45,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:48:45,074 INFO L495 AbstractCegarLoop]: Abstraction has 22433 states and 31108 transitions. [2022-07-14 04:48:45,074 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) [2022-07-14 04:48:45,074 INFO L276 IsEmpty]: Start isEmpty. Operand 22433 states and 31108 transitions. [2022-07-14 04:48:45,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-14 04:48:45,076 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:48:45,076 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] [2022-07-14 04:48:45,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-14 04:48:45,076 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)] === [2022-07-14 04:48:45,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:48:45,076 INFO L85 PathProgramCache]: Analyzing trace with hash 585604035, now seen corresponding path program 1 times [2022-07-14 04:48:45,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:48:45,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755489670] [2022-07-14 04:48:45,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:48:45,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:48:45,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:45,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:48:45,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:45,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:48:45,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:45,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 04:48:45,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:45,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-14 04:48:45,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:45,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:48:45,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:45,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 04:48:45,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:45,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-14 04:48:45,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:45,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-14 04:48:45,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:45,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-14 04:48:45,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:45,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-14 04:48:45,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:45,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 04:48:45,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:45,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-14 04:48:45,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:45,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-14 04:48:45,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:45,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-14 04:48:45,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:45,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-14 04:48:45,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:45,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 04:48:45,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:45,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-14 04:48:45,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:45,252 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-14 04:48:45,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:48:45,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755489670] [2022-07-14 04:48:45,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755489670] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:48:45,253 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:48:45,253 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 04:48:45,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350135805] [2022-07-14 04:48:45,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:48:45,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 04:48:45,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:48:45,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 04:48:45,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 04:48:45,255 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) [2022-07-14 04:48:52,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:48:52,592 INFO L93 Difference]: Finished difference Result 23865 states and 33302 transitions. [2022-07-14 04:48:52,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 04:48:52,592 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 [2022-07-14 04:48:52,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:48:52,668 INFO L225 Difference]: With dead ends: 23865 [2022-07-14 04:48:52,668 INFO L226 Difference]: Without dead ends: 23863 [2022-07-14 04:48:52,682 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 [2022-07-14 04:48:52,683 INFO L413 NwaCegarLoop]: 3176 mSDtfsCounter, 6594 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 4430 mSolverCounterSat, 3568 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s 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, 6.0s IncrementalHoareTripleChecker+Time [2022-07-14 04:48:52,683 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6703 Valid, 4014 Invalid, 7998 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3568 Valid, 4430 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-07-14 04:48:52,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23863 states. [2022-07-14 04:48:53,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23863 to 22431. [2022-07-14 04:48:53,642 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) [2022-07-14 04:48:53,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22431 states to 22431 states and 31105 transitions. [2022-07-14 04:48:53,732 INFO L78 Accepts]: Start accepts. Automaton has 22431 states and 31105 transitions. Word has length 114 [2022-07-14 04:48:53,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:48:53,733 INFO L495 AbstractCegarLoop]: Abstraction has 22431 states and 31105 transitions. [2022-07-14 04:48:53,733 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) [2022-07-14 04:48:53,733 INFO L276 IsEmpty]: Start isEmpty. Operand 22431 states and 31105 transitions. [2022-07-14 04:48:53,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-07-14 04:48:53,734 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:48:53,734 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] [2022-07-14 04:48:53,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-14 04:48:53,735 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)] === [2022-07-14 04:48:53,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:48:53,735 INFO L85 PathProgramCache]: Analyzing trace with hash -1365025461, now seen corresponding path program 1 times [2022-07-14 04:48:53,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:48:53,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827456190] [2022-07-14 04:48:53,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:48:53,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:48:53,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:53,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:48:53,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:53,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:48:53,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:53,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 04:48:53,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:53,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-14 04:48:53,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:53,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:48:53,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:53,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 04:48:53,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:53,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-14 04:48:53,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:53,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-14 04:48:53,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:53,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-14 04:48:53,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:53,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-14 04:48:53,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:53,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 04:48:53,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:53,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-14 04:48:53,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:53,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-14 04:48:53,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:53,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-14 04:48:53,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:53,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-14 04:48:53,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:53,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 04:48:53,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:53,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-14 04:48:53,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:53,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-14 04:48:53,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:53,902 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-14 04:48:53,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:48:53,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827456190] [2022-07-14 04:48:53,902 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827456190] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:48:53,902 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:48:53,902 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 04:48:53,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310740294] [2022-07-14 04:48:53,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:48:53,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 04:48:53,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:48:53,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 04:48:53,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 04:48:53,904 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) [2022-07-14 04:49:05,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:49:05,479 INFO L93 Difference]: Finished difference Result 38286 states and 54219 transitions. [2022-07-14 04:49:05,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-14 04:49:05,480 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 120 [2022-07-14 04:49:05,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:49:05,711 INFO L225 Difference]: With dead ends: 38286 [2022-07-14 04:49:05,712 INFO L226 Difference]: Without dead ends: 38284 [2022-07-14 04:49:05,742 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-07-14 04:49:05,746 INFO L413 NwaCegarLoop]: 3385 mSDtfsCounter, 8170 mSDsluCounter, 1225 mSDsCounter, 0 mSdLazyCounter, 8830 mSolverCounterSat, 4398 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8317 SdHoareTripleChecker+Valid, 4610 SdHoareTripleChecker+Invalid, 13228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4398 IncrementalHoareTripleChecker+Valid, 8830 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2022-07-14 04:49:05,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8317 Valid, 4610 Invalid, 13228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4398 Valid, 8830 Invalid, 0 Unknown, 0 Unchecked, 9.6s Time] [2022-07-14 04:49:05,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38284 states. [2022-07-14 04:49:07,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38284 to 36407. [2022-07-14 04:49:07,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36407 states, 24862 states have (on average 1.2714182286219935) internal successors, (31610), 25883 states have internal predecessors, (31610), 8744 states have call successors, (8744), 2619 states have call predecessors, (8744), 2768 states have return successors, (11053), 8442 states have call predecessors, (11053), 8742 states have call successors, (11053) [2022-07-14 04:49:07,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36407 states to 36407 states and 51407 transitions. [2022-07-14 04:49:07,769 INFO L78 Accepts]: Start accepts. Automaton has 36407 states and 51407 transitions. Word has length 120 [2022-07-14 04:49:07,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:49:07,770 INFO L495 AbstractCegarLoop]: Abstraction has 36407 states and 51407 transitions. [2022-07-14 04:49:07,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (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) [2022-07-14 04:49:07,771 INFO L276 IsEmpty]: Start isEmpty. Operand 36407 states and 51407 transitions. [2022-07-14 04:49:07,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-07-14 04:49:07,800 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:49:07,800 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:49:07,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-07-14 04:49:07,800 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2022-07-14 04:49:07,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:49:07,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1657794054, now seen corresponding path program 1 times [2022-07-14 04:49:07,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:49:07,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054175430] [2022-07-14 04:49:07,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:49:07,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:49:07,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:07,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:49:07,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:07,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-14 04:49:07,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:07,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:49:07,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:07,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:49:07,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:07,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-14 04:49:07,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:07,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-14 04:49:07,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:07,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:49:07,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:07,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:49:07,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:07,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 04:49:07,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:07,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-14 04:49:07,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:07,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-14 04:49:07,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:08,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 04:49:08,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:08,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:49:08,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:08,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 04:49:08,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:08,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-14 04:49:08,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:08,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-14 04:49:08,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:08,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-14 04:49:08,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:08,065 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-07-14 04:49:08,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:49:08,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054175430] [2022-07-14 04:49:08,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054175430] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:49:08,066 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:49:08,066 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 04:49:08,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339893454] [2022-07-14 04:49:08,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:49:08,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 04:49:08,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:49:08,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 04:49:08,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 04:49:08,067 INFO L87 Difference]: Start difference. First operand 36407 states and 51407 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-14 04:49:13,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:49:13,884 INFO L93 Difference]: Finished difference Result 39111 states and 56458 transitions. [2022-07-14 04:49:13,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 04:49:13,885 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 119 [2022-07-14 04:49:13,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:49:14,017 INFO L225 Difference]: With dead ends: 39111 [2022-07-14 04:49:14,018 INFO L226 Difference]: Without dead ends: 39109 [2022-07-14 04:49:14,039 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-14 04:49:14,039 INFO L413 NwaCegarLoop]: 3461 mSDtfsCounter, 4743 mSDsluCounter, 6227 mSDsCounter, 0 mSdLazyCounter, 3680 mSolverCounterSat, 1639 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5163 SdHoareTripleChecker+Valid, 9688 SdHoareTripleChecker+Invalid, 5319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1639 IncrementalHoareTripleChecker+Valid, 3680 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-07-14 04:49:14,039 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5163 Valid, 9688 Invalid, 5319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1639 Valid, 3680 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-07-14 04:49:14,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39109 states. [2022-07-14 04:49:15,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39109 to 36619. [2022-07-14 04:49:15,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36619 states, 25013 states have (on average 1.2715387998240915) internal successors, (31805), 26049 states have internal predecessors, (31805), 8784 states have call successors, (8784), 2619 states have call predecessors, (8784), 2790 states have return successors, (11172), 8492 states have call predecessors, (11172), 8782 states have call successors, (11172) [2022-07-14 04:49:15,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36619 states to 36619 states and 51761 transitions. [2022-07-14 04:49:15,989 INFO L78 Accepts]: Start accepts. Automaton has 36619 states and 51761 transitions. Word has length 119 [2022-07-14 04:49:15,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:49:15,991 INFO L495 AbstractCegarLoop]: Abstraction has 36619 states and 51761 transitions. [2022-07-14 04:49:15,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-14 04:49:15,991 INFO L276 IsEmpty]: Start isEmpty. Operand 36619 states and 51761 transitions. [2022-07-14 04:49:16,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-07-14 04:49:16,020 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:49:16,020 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, 1, 1, 1, 1, 1, 1] [2022-07-14 04:49:16,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-07-14 04:49:16,020 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_kernel_rcu_srcu_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)] === [2022-07-14 04:49:16,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:49:16,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1132288611, now seen corresponding path program 1 times [2022-07-14 04:49:16,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:49:16,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575364385] [2022-07-14 04:49:16,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:49:16,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:49:16,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:16,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:49:16,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:16,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:49:16,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:16,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 04:49:16,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:16,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-14 04:49:16,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:16,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:49:16,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:16,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 04:49:16,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:16,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-14 04:49:16,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:16,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-14 04:49:16,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:16,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-14 04:49:16,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:16,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-14 04:49:16,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:16,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 04:49:16,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:16,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-14 04:49:16,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:16,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-14 04:49:16,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:16,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-14 04:49:16,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:16,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-14 04:49:16,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:16,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 04:49:16,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:16,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-14 04:49:16,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:16,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-14 04:49:16,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:16,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-14 04:49:16,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:16,270 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-14 04:49:16,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:49:16,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575364385] [2022-07-14 04:49:16,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575364385] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:49:16,271 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:49:16,271 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 04:49:16,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096532898] [2022-07-14 04:49:16,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:49:16,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 04:49:16,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:49:16,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 04:49:16,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 04:49:16,274 INFO L87 Difference]: Start difference. First operand 36619 states and 51761 transitions. Second operand has 6 states, 6 states have (on average 13.5) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-14 04:49:24,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:49:24,238 INFO L93 Difference]: Finished difference Result 38051 states and 54009 transitions. [2022-07-14 04:49:24,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 04:49:24,244 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 126 [2022-07-14 04:49:24,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:49:24,369 INFO L225 Difference]: With dead ends: 38051 [2022-07-14 04:49:24,369 INFO L226 Difference]: Without dead ends: 38049 [2022-07-14 04:49:24,390 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-14 04:49:24,391 INFO L413 NwaCegarLoop]: 3131 mSDtfsCounter, 6654 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 4385 mSolverCounterSat, 3583 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6761 SdHoareTripleChecker+Valid, 3969 SdHoareTripleChecker+Invalid, 7968 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3583 IncrementalHoareTripleChecker+Valid, 4385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-07-14 04:49:24,391 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6761 Valid, 3969 Invalid, 7968 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3583 Valid, 4385 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2022-07-14 04:49:24,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38049 states. [2022-07-14 04:49:26,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38049 to 36617. [2022-07-14 04:49:26,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36617 states, 25012 states have (on average 1.2714696945466175) internal successors, (31802), 26047 states have internal predecessors, (31802), 8784 states have call successors, (8784), 2619 states have call predecessors, (8784), 2790 states have return successors, (11172), 8492 states have call predecessors, (11172), 8782 states have call successors, (11172) [2022-07-14 04:49:26,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36617 states to 36617 states and 51758 transitions. [2022-07-14 04:49:26,489 INFO L78 Accepts]: Start accepts. Automaton has 36617 states and 51758 transitions. Word has length 126 [2022-07-14 04:49:26,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:49:26,489 INFO L495 AbstractCegarLoop]: Abstraction has 36617 states and 51758 transitions. [2022-07-14 04:49:26,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-14 04:49:26,490 INFO L276 IsEmpty]: Start isEmpty. Operand 36617 states and 51758 transitions. [2022-07-14 04:49:26,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-07-14 04:49:26,491 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:49:26,491 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:49:26,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-07-14 04:49:26,491 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_assert_linux_lib_idr__more_at_exitErr0ASSERT_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)] === [2022-07-14 04:49:26,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:49:26,492 INFO L85 PathProgramCache]: Analyzing trace with hash -1450549279, now seen corresponding path program 1 times [2022-07-14 04:49:26,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:49:26,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731702026] [2022-07-14 04:49:26,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:49:26,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:49:26,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:26,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:49:26,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:26,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:49:26,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:26,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 04:49:26,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:26,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-14 04:49:26,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:26,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:49:26,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:26,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 04:49:26,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:26,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-14 04:49:26,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:26,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-14 04:49:26,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:26,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-14 04:49:26,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:26,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-14 04:49:26,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:26,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 04:49:26,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:26,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-14 04:49:26,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:26,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-14 04:49:26,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:26,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-14 04:49:26,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:26,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-14 04:49:26,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:26,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 04:49:26,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:26,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-14 04:49:26,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:26,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-14 04:49:26,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:26,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-14 04:49:26,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:26,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-14 04:49:26,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:26,720 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-14 04:49:26,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:49:26,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731702026] [2022-07-14 04:49:26,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731702026] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:49:26,721 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:49:26,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-14 04:49:26,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766529327] [2022-07-14 04:49:26,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:49:26,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-14 04:49:26,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:49:26,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-14 04:49:26,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-14 04:49:26,724 INFO L87 Difference]: Start difference. First operand 36617 states and 51758 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-14 04:49:30,434 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:49:46,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:49:46,383 INFO L93 Difference]: Finished difference Result 55423 states and 79463 transitions. [2022-07-14 04:49:46,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-14 04:49:46,384 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 133 [2022-07-14 04:49:46,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:49:46,564 INFO L225 Difference]: With dead ends: 55423 [2022-07-14 04:49:46,564 INFO L226 Difference]: Without dead ends: 55421 [2022-07-14 04:49:46,593 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2022-07-14 04:49:46,593 INFO L413 NwaCegarLoop]: 3242 mSDtfsCounter, 8908 mSDsluCounter, 1509 mSDsCounter, 0 mSdLazyCounter, 12659 mSolverCounterSat, 5012 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9055 SdHoareTripleChecker+Valid, 4751 SdHoareTripleChecker+Invalid, 17672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5012 IncrementalHoareTripleChecker+Valid, 12659 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.9s IncrementalHoareTripleChecker+Time [2022-07-14 04:49:46,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9055 Valid, 4751 Invalid, 17672 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5012 Valid, 12659 Invalid, 1 Unknown, 0 Unchecked, 16.9s Time] [2022-07-14 04:49:46,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55421 states. [2022-07-14 04:49:49,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55421 to 53774. [2022-07-14 04:49:49,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53774 states, 36590 states have (on average 1.266138289150041) internal successors, (46328), 38071 states have internal predecessors, (46328), 12977 states have call successors, (12977), 3949 states have call predecessors, (12977), 4176 states have return successors, (17644), 12537 states have call predecessors, (17644), 12975 states have call successors, (17644) [2022-07-14 04:49:50,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53774 states to 53774 states and 76949 transitions. [2022-07-14 04:49:50,239 INFO L78 Accepts]: Start accepts. Automaton has 53774 states and 76949 transitions. Word has length 133 [2022-07-14 04:49:50,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:49:50,240 INFO L495 AbstractCegarLoop]: Abstraction has 53774 states and 76949 transitions. [2022-07-14 04:49:50,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-14 04:49:50,241 INFO L276 IsEmpty]: Start isEmpty. Operand 53774 states and 76949 transitions. [2022-07-14 04:49:50,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-07-14 04:49:50,242 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:49:50,242 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:49:50,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-07-14 04:49:50,243 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_assert_linux_lib_idr__more_at_exitErr0ASSERT_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)] === [2022-07-14 04:49:50,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:49:50,243 INFO L85 PathProgramCache]: Analyzing trace with hash 2144491224, now seen corresponding path program 1 times [2022-07-14 04:49:50,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:49:50,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792016290] [2022-07-14 04:49:50,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:49:50,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:49:50,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:50,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:49:50,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:50,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:49:50,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:50,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 04:49:50,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:50,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-14 04:49:50,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:50,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:49:50,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:50,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 04:49:50,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:50,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-14 04:49:50,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:50,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-14 04:49:50,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:50,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-14 04:49:50,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:50,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-14 04:49:50,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:50,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 04:49:50,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:50,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-14 04:49:50,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:50,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-14 04:49:50,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:50,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-14 04:49:50,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:50,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-14 04:49:50,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:50,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 04:49:50,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:50,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-14 04:49:50,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:50,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-14 04:49:50,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:50,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-14 04:49:50,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:50,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-14 04:49:50,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:50,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-14 04:49:50,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:49:50,501 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-14 04:49:50,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:49:50,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792016290] [2022-07-14 04:49:50,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792016290] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:49:50,502 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:49:50,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-14 04:49:50,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591412486] [2022-07-14 04:49:50,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:49:50,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-14 04:49:50,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:49:50,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-14 04:49:50,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-14 04:49:50,503 INFO L87 Difference]: Start difference. First operand 53774 states and 76949 transitions. Second operand has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-14 04:50:12,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:50:13,000 INFO L93 Difference]: Finished difference Result 79957 states and 116694 transitions. [2022-07-14 04:50:13,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-14 04:50:13,000 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 138 [2022-07-14 04:50:13,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:50:13,459 INFO L225 Difference]: With dead ends: 79957 [2022-07-14 04:50:13,460 INFO L226 Difference]: Without dead ends: 79955 [2022-07-14 04:50:13,493 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2022-07-14 04:50:13,494 INFO L413 NwaCegarLoop]: 3317 mSDtfsCounter, 10680 mSDsluCounter, 1628 mSDsCounter, 0 mSdLazyCounter, 13500 mSolverCounterSat, 6028 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10825 SdHoareTripleChecker+Valid, 4945 SdHoareTripleChecker+Invalid, 19528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6028 IncrementalHoareTripleChecker+Valid, 13500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.0s IncrementalHoareTripleChecker+Time [2022-07-14 04:50:13,494 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10825 Valid, 4945 Invalid, 19528 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6028 Valid, 13500 Invalid, 0 Unknown, 0 Unchecked, 18.0s Time] [2022-07-14 04:50:13,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79955 states. [2022-07-14 04:50:17,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79955 to 76232. [2022-07-14 04:50:17,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76232 states, 51997 states have (on average 1.2655345500701964) internal successors, (65804), 54120 states have internal predecessors, (65804), 18359 states have call successors, (18359), 5560 states have call predecessors, (18359), 5845 states have return successors, (26743), 17677 states have call predecessors, (26743), 18357 states have call successors, (26743) [2022-07-14 04:50:18,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76232 states to 76232 states and 110906 transitions. [2022-07-14 04:50:18,131 INFO L78 Accepts]: Start accepts. Automaton has 76232 states and 110906 transitions. Word has length 138 [2022-07-14 04:50:18,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:50:18,132 INFO L495 AbstractCegarLoop]: Abstraction has 76232 states and 110906 transitions. [2022-07-14 04:50:18,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-14 04:50:18,132 INFO L276 IsEmpty]: Start isEmpty. Operand 76232 states and 110906 transitions. [2022-07-14 04:50:18,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-07-14 04:50:18,133 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:50:18,134 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:50:18,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-07-14 04:50:18,134 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_mmc_sdio_func_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)] === [2022-07-14 04:50:18,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:50:18,134 INFO L85 PathProgramCache]: Analyzing trace with hash -550294582, now seen corresponding path program 1 times [2022-07-14 04:50:18,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:50:18,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200943550] [2022-07-14 04:50:18,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:50:18,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:50:18,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:50:18,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:50:18,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:50:18,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:50:18,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:50:18,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 04:50:18,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:50:18,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-14 04:50:18,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:50:18,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:50:18,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:50:18,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 04:50:18,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:50:18,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-14 04:50:18,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:50:18,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-14 04:50:18,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:50:18,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-14 04:50:18,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:50:18,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-14 04:50:18,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:50:18,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 04:50:18,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:50:18,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-14 04:50:18,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:50:18,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-14 04:50:18,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:50:18,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-14 04:50:18,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:50:18,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-14 04:50:18,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:50:18,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 04:50:18,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:50:18,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-14 04:50:18,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:50:18,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-14 04:50:18,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:50:18,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-14 04:50:18,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:50:18,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-14 04:50:18,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:50:18,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-14 04:50:18,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:50:18,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-14 04:50:18,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:50:18,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 04:50:18,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:50:18,560 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-07-14 04:50:18,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:50:18,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200943550] [2022-07-14 04:50:18,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200943550] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:50:18,561 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:50:18,561 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 04:50:18,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332545133] [2022-07-14 04:50:18,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:50:18,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 04:50:18,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:50:18,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 04:50:18,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 04:50:18,562 INFO L87 Difference]: Start difference. First operand 76232 states and 110906 transitions. Second operand has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23)