./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 e19ca921 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--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-dev-e19ca92 [2021-12-22 16:04:23,058 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 16:04:23,060 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 16:04:23,116 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 16:04:23,117 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 16:04:23,119 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 16:04:23,120 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 16:04:23,128 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 16:04:23,129 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 16:04:23,131 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 16:04:23,131 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 16:04:23,133 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 16:04:23,134 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 16:04:23,139 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 16:04:23,141 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 16:04:23,142 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 16:04:23,146 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 16:04:23,149 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 16:04:23,150 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 16:04:23,153 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 16:04:23,160 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 16:04:23,161 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 16:04:23,162 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 16:04:23,164 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 16:04:23,166 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 16:04:23,167 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 16:04:23,168 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 16:04:23,169 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 16:04:23,171 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 16:04:23,172 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 16:04:23,172 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 16:04:23,173 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 16:04:23,174 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 16:04:23,175 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 16:04:23,177 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 16:04:23,177 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 16:04:23,177 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 16:04:23,178 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 16:04:23,178 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 16:04:23,179 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 16:04:23,179 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 16:04:23,180 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 16:04:23,213 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 16:04:23,213 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 16:04:23,214 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 16:04:23,214 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 16:04:23,215 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 16:04:23,215 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 16:04:23,215 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 16:04:23,216 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 16:04:23,216 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 16:04:23,216 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 16:04:23,217 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 16:04:23,217 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 16:04:23,217 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 16:04:23,217 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 16:04:23,217 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 16:04:23,218 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 16:04:23,218 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 16:04:23,218 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 16:04:23,218 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 16:04:23,218 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 16:04:23,219 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 16:04:23,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 16:04:23,219 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 16:04:23,219 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 16:04:23,219 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 16:04:23,220 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 16:04:23,220 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 16:04:23,220 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 16:04:23,220 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 16:04:23,220 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 16:04:23,221 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 16:04:23,221 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8c1c69a9209f2e1e672b4301b3aeef542d8617026686dc57b4ac44c2de1cbfb [2021-12-22 16:04:23,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 16:04:23,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 16:04:23,510 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 16:04:23,511 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 16:04:23,512 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 16:04:23,513 INFO L432 ainManager$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 [2021-12-22 16:04:23,584 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08924a677/cc512f11183b4c2893ee7d1b89427084/FLAG27e464404 [2021-12-22 16:04:24,434 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 16:04:24,435 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 [2021-12-22 16:04:24,490 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08924a677/cc512f11183b4c2893ee7d1b89427084/FLAG27e464404 [2021-12-22 16:04:24,924 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08924a677/cc512f11183b4c2893ee7d1b89427084 [2021-12-22 16:04:24,926 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 16:04:24,927 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 16:04:24,945 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 16:04:24,945 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 16:04:24,948 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 16:04:24,949 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 04:04:24" (1/1) ... [2021-12-22 16:04:24,950 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6797cddd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:04:24, skipping insertion in model container [2021-12-22 16:04:24,950 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 04:04:24" (1/1) ... [2021-12-22 16:04:24,956 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 16:04:25,068 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 16:04:29,476 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[489935,489948] [2021-12-22 16:04:29,484 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490080,490093] [2021-12-22 16:04:29,485 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490226,490239] [2021-12-22 16:04:29,485 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490391,490404] [2021-12-22 16:04:29,486 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490549,490562] [2021-12-22 16:04:29,487 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490707,490720] [2021-12-22 16:04:29,487 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490865,490878] [2021-12-22 16:04:29,487 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491025,491038] [2021-12-22 16:04:29,487 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491184,491197] [2021-12-22 16:04:29,488 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491323,491336] [2021-12-22 16:04:29,488 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491465,491478] [2021-12-22 16:04:29,489 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491614,491627] [2021-12-22 16:04:29,491 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491753,491766] [2021-12-22 16:04:29,492 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[491908,491921] [2021-12-22 16:04:29,493 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492068,492081] [2021-12-22 16:04:29,495 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492219,492232] [2021-12-22 16:04:29,496 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492370,492383] [2021-12-22 16:04:29,496 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492522,492535] [2021-12-22 16:04:29,497 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492671,492684] [2021-12-22 16:04:29,497 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492819,492832] [2021-12-22 16:04:29,498 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492976,492989] [2021-12-22 16:04:29,498 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493125,493138] [2021-12-22 16:04:29,498 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493281,493294] [2021-12-22 16:04:29,499 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493434,493447] [2021-12-22 16:04:29,500 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493580,493593] [2021-12-22 16:04:29,500 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493723,493736] [2021-12-22 16:04:29,501 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493875,493888] [2021-12-22 16:04:29,501 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494021,494034] [2021-12-22 16:04:29,501 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494166,494179] [2021-12-22 16:04:29,502 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494320,494333] [2021-12-22 16:04:29,503 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494471,494484] [2021-12-22 16:04:29,503 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494626,494639] [2021-12-22 16:04:29,503 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494778,494791] [2021-12-22 16:04:29,504 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494933,494946] [2021-12-22 16:04:29,505 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495097,495110] [2021-12-22 16:04:29,507 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,508 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,508 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,508 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,509 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,509 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,510 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,510 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,510 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,511 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,511 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,511 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,512 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,512 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,513 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,513 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,513 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,513 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,514 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498118,498131] [2021-12-22 16:04:29,514 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498280,498293] [2021-12-22 16:04:29,514 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498439,498452] [2021-12-22 16:04:29,515 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,515 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,544 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,545 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,545 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,546 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,546 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,546 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,546 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,547 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,547 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,547 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,548 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,548 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,548 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,548 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,549 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,549 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,549 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,549 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,550 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,550 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,551 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,551 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,552 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,552 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,552 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,553 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[502683,502696] [2021-12-22 16:04:29,553 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[502830,502843] [2021-12-22 16:04:29,553 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[502991,503004] [2021-12-22 16:04:29,553 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[503161,503174] [2021-12-22 16:04:29,554 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,569 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 16:04:29,612 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 16:04:29,906 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,907 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,907 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,907 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,908 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,908 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,908 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,909 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,909 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,909 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,910 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,910 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,910 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,911 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,911 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,911 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,912 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,912 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,912 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,913 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,913 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,913 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,914 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,914 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,914 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,915 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,915 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,915 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,916 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,916 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,916 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,917 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,917 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,917 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,918 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,918 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,918 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,919 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,919 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,919 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,920 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,920 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,920 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,921 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,921 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,921 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,921 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,922 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,922 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,922 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,923 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,923 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,923 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,924 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498118,498131] [2021-12-22 16:04:29,924 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498280,498293] [2021-12-22 16:04:29,924 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498439,498452] [2021-12-22 16:04:29,925 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,925 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,925 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,926 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,926 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,926 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,927 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499438,499451] [2021-12-22 16:04:29,927 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499596,499609] [2021-12-22 16:04:29,927 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499755,499768] [2021-12-22 16:04:29,928 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,928 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,928 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,929 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,929 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,929 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,929 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,930 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,930 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,930 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-22 16:04:29,931 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501413,501426] [2021-12-22 16:04:29,931 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501564,501577] [2021-12-22 16:04:29,931 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501715,501728] [2021-12-22 16:04:29,932 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501863,501876] [2021-12-22 16:04:29,932 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502029,502042] [2021-12-22 16:04:29,932 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502198,502211] [2021-12-22 16:04:29,933 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502365,502378] [2021-12-22 16:04:29,933 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502533,502546] [2021-12-22 16:04:29,933 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502683,502696] [2021-12-22 16:04:29,934 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502830,502843] [2021-12-22 16:04:29,934 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502991,503004] [2021-12-22 16:04:29,934 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[503161,503174] [2021-12-22 16:04:29,934 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[503323,503336] [2021-12-22 16:04:29,939 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 16:04:30,179 INFO L208 MainTranslator]: Completed translation [2021-12-22 16:04:30,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:04:30 WrapperNode [2021-12-22 16:04:30,180 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 16:04:30,181 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 16:04:30,182 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 16:04:30,182 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 16:04:30,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:04:30" (1/1) ... [2021-12-22 16:04:30,284 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:04:30" (1/1) ... [2021-12-22 16:04:30,583 INFO L137 Inliner]: procedures = 776, calls = 2914, calls flagged for inlining = 349, calls inlined = 276, statements flattened = 7256 [2021-12-22 16:04:30,584 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 16:04:30,585 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 16:04:30,585 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 16:04:30,585 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 16:04:30,593 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:04:30" (1/1) ... [2021-12-22 16:04:30,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:04:30" (1/1) ... [2021-12-22 16:04:30,638 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:04:30" (1/1) ... [2021-12-22 16:04:30,639 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:04:30" (1/1) ... [2021-12-22 16:04:30,744 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:04:30" (1/1) ... [2021-12-22 16:04:30,815 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:04:30" (1/1) ... [2021-12-22 16:04:30,861 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:04:30" (1/1) ... [2021-12-22 16:04:30,886 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 16:04:30,887 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 16:04:30,887 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 16:04:30,887 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 16:04:30,888 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:04:30" (1/1) ... [2021-12-22 16:04:30,893 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 16:04:30,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 16:04:30,911 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-22 16:04:30,935 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-22 16:04:30,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2021-12-22 16:04:30,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2021-12-22 16:04:30,947 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-22 16:04:30,948 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2021-12-22 16:04:30,948 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2021-12-22 16:04:30,948 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-12-22 16:04:30,948 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-12-22 16:04:30,948 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2021-12-22 16:04:30,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2021-12-22 16:04:30,948 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2021-12-22 16:04:30,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2021-12-22 16:04:30,948 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-22 16:04:30,949 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-22 16:04:30,949 INFO L130 BoogieDeclarations]: Found specification of procedure bpf_prog_destroy [2021-12-22 16:04:30,949 INFO L138 BoogieDeclarations]: Found implementation of procedure bpf_prog_destroy [2021-12-22 16:04:30,949 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2021-12-22 16:04:30,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2021-12-22 16:04:30,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-12-22 16:04:30,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-12-22 16:04:30,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-22 16:04:30,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-22 16:04:30,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__double_init [2021-12-22 16:04:30,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__double_init [2021-12-22 16:04:30,950 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2021-12-22 16:04:30,950 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2021-12-22 16:04:30,950 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2021-12-22 16:04:30,950 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2021-12-22 16:04:30,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-12-22 16:04:30,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-12-22 16:04:30,950 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-22 16:04:30,951 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-22 16:04:30,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-22 16:04:30,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-22 16:04:30,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-12-22 16:04:30,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-12-22 16:04:30,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 16:04:30,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-12-22 16:04:30,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-12-22 16:04:30,951 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-12-22 16:04:30,952 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-12-22 16:04:30,952 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_output_wakeup [2021-12-22 16:04:30,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_output_wakeup [2021-12-22 16:04:30,952 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-22 16:04:30,952 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-22 16:04:30,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-12-22 16:04:30,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-12-22 16:04:30,952 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2021-12-22 16:04:30,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2021-12-22 16:04:30,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 16:04:30,953 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-22 16:04:30,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-22 16:04:30,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 16:04:30,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__not_initialized [2021-12-22 16:04:30,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__not_initialized [2021-12-22 16:04:30,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_read_unlock [2021-12-22 16:04:30,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_read_unlock [2021-12-22 16:04:30,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-22 16:04:30,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-22 16:04:30,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 16:04:30,954 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-22 16:04:30,954 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-12-22 16:04:30,954 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-12-22 16:04:30,955 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-12-22 16:04:30,955 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-12-22 16:04:30,955 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-22 16:04:30,955 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-22 16:04:30,955 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-12-22 16:04:30,955 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-12-22 16:04:30,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-22 16:04:30,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-22 16:04:30,956 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ioctl [2021-12-22 16:04:30,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ioctl [2021-12-22 16:04:30,956 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2021-12-22 16:04:30,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2021-12-22 16:04:30,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_198 [2021-12-22 16:04:30,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_198 [2021-12-22 16:04:30,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 16:04:30,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 16:04:30,960 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-22 16:04:30,960 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-22 16:04:30,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 16:04:30,960 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2021-12-22 16:04:30,964 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2021-12-22 16:04:30,964 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2021-12-22 16:04:30,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2021-12-22 16:04:30,964 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2021-12-22 16:04:30,964 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2021-12-22 16:04:30,965 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-22 16:04:30,965 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-22 16:04:30,965 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2021-12-22 16:04:30,965 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2021-12-22 16:04:30,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 16:04:30,965 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 16:04:30,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-12-22 16:04:30,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-12-22 16:04:30,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-12-22 16:04:30,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-12-22 16:04:30,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 16:04:30,966 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-22 16:04:30,966 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-22 16:04:30,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-12-22 16:04:30,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-12-22 16:04:30,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_base_class__double_registration [2021-12-22 16:04:30,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_base_class__double_registration [2021-12-22 16:04:30,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 16:04:30,967 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_send_frame [2021-12-22 16:04:30,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_send_frame [2021-12-22 16:04:30,967 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_error [2021-12-22 16:04:30,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_error [2021-12-22 16:04:30,967 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2021-12-22 16:04:30,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2021-12-22 16:04:30,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_module_put [2021-12-22 16:04:30,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_module_put [2021-12-22 16:04:30,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_idr_alloc_p [2021-12-22 16:04:30,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_idr_alloc_p [2021-12-22 16:04:30,968 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-22 16:04:30,968 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-22 16:04:30,968 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2021-12-22 16:04:30,968 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2021-12-22 16:04:30,968 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2021-12-22 16:04:30,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2021-12-22 16:04:30,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-22 16:04:30,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-22 16:04:30,969 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_dev_init [2021-12-22 16:04:30,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_dev_init [2021-12-22 16:04:30,970 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-22 16:04:30,970 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-22 16:04:30,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-12-22 16:04:30,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-12-22 16:04:30,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-12-22 16:04:30,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-12-22 16:04:30,970 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2021-12-22 16:04:30,970 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2021-12-22 16:04:30,970 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2021-12-22 16:04:30,971 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2021-12-22 16:04:30,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-22 16:04:30,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-22 16:04:30,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 16:04:30,971 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-12-22 16:04:30,971 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-12-22 16:04:30,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 16:04:30,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 16:04:30,971 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2021-12-22 16:04:30,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2021-12-22 16:04:30,972 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-22 16:04:30,972 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-22 16:04:30,972 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-22 16:04:30,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-22 16:04:30,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_all_ppp_mutex_of_ppp_net [2021-12-22 16:04:30,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_all_ppp_mutex_of_ppp_net [2021-12-22 16:04:30,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2021-12-22 16:04:30,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2021-12-22 16:04:30,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2021-12-22 16:04:30,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2021-12-22 16:04:30,973 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2021-12-22 16:04:30,973 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2021-12-22 16:04:30,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-12-22 16:04:30,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-12-22 16:04:30,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 16:04:30,973 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 16:04:30,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_159 [2021-12-22 16:04:30,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_159 [2021-12-22 16:04:30,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 16:04:30,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 16:04:30,974 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2021-12-22 16:04:30,974 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2021-12-22 16:04:30,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-12-22 16:04:30,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-12-22 16:04:30,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-12-22 16:04:30,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-12-22 16:04:30,974 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-22 16:04:30,974 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-22 16:04:30,974 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2021-12-22 16:04:30,975 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2021-12-22 16:04:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure bpf_prog_create [2021-12-22 16:04:30,975 INFO L138 BoogieDeclarations]: Found implementation of procedure bpf_prog_create [2021-12-22 16:04:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-22 16:04:30,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-22 16:04:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-12-22 16:04:30,975 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-12-22 16:04:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-22 16:04:30,975 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-22 16:04:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-22 16:04:30,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-22 16:04:30,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-12-22 16:04:30,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-12-22 16:04:30,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 16:04:30,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_write_unlock [2021-12-22 16:04:30,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_write_unlock [2021-12-22 16:04:30,976 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-22 16:04:30,976 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-22 16:04:30,976 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2021-12-22 16:04:30,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2021-12-22 16:04:30,976 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-22 16:04:30,977 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-22 16:04:30,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_197 [2021-12-22 16:04:30,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_197 [2021-12-22 16:04:30,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 16:04:30,977 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-22 16:04:30,978 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-22 16:04:30,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_153 [2021-12-22 16:04:30,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_153 [2021-12-22 16:04:30,979 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-22 16:04:30,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-22 16:04:30,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 16:04:30,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-12-22 16:04:30,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-12-22 16:04:30,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-12-22 16:04:30,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-12-22 16:04:30,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-12-22 16:04:30,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-12-22 16:04:30,981 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2021-12-22 16:04:30,981 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2021-12-22 16:04:30,981 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_do_recv [2021-12-22 16:04:30,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_do_recv [2021-12-22 16:04:30,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_166 [2021-12-22 16:04:30,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_166 [2021-12-22 16:04:30,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__more_at_exit [2021-12-22 16:04:30,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__more_at_exit [2021-12-22 16:04:30,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-22 16:04:30,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-22 16:04:30,982 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2021-12-22 16:04:30,982 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2021-12-22 16:04:30,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_131 [2021-12-22 16:04:30,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_131 [2021-12-22 16:04:30,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_132 [2021-12-22 16:04:30,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_132 [2021-12-22 16:04:30,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_fs_char_dev__double_registration [2021-12-22 16:04:30,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_fs_char_dev__double_registration [2021-12-22 16:04:30,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-12-22 16:04:30,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-12-22 16:04:30,982 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2021-12-22 16:04:30,983 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2021-12-22 16:04:30,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_ppp_mutex [2021-12-22 16:04:30,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_ppp_mutex [2021-12-22 16:04:30,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__destroyed_before_usage [2021-12-22 16:04:30,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__destroyed_before_usage [2021-12-22 16:04:30,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_write_lock [2021-12-22 16:04:30,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_write_lock [2021-12-22 16:04:30,986 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_init_net [2021-12-22 16:04:30,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_init_net [2021-12-22 16:04:30,986 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 16:04:30,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 16:04:30,986 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-22 16:04:30,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-22 16:04:30,986 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-22 16:04:30,986 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-22 16:04:30,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-12-22 16:04:30,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-12-22 16:04:30,987 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2021-12-22 16:04:30,987 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2021-12-22 16:04:30,987 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2021-12-22 16:04:30,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2021-12-22 16:04:30,987 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-22 16:04:30,987 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-22 16:04:30,987 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-12-22 16:04:30,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-12-22 16:04:30,988 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2021-12-22 16:04:30,988 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2021-12-22 16:04:30,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 16:04:30,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 16:04:30,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 16:04:30,988 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_setup [2021-12-22 16:04:30,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_setup [2021-12-22 16:04:30,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-22 16:04:30,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-22 16:04:30,988 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-22 16:04:30,989 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-22 16:04:30,989 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2021-12-22 16:04:30,989 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2021-12-22 16:04:30,989 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-22 16:04:30,989 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-22 16:04:30,989 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2021-12-22 16:04:30,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2021-12-22 16:04:30,989 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-22 16:04:30,989 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-22 16:04:30,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_all_ppp_mutex_of_ppp_net [2021-12-22 16:04:30,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_all_ppp_mutex_of_ppp_net [2021-12-22 16:04:30,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 16:04:30,990 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-22 16:04:30,990 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-22 16:04:30,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_167 [2021-12-22 16:04:30,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_167 [2021-12-22 16:04:30,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_read_lock [2021-12-22 16:04:30,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_read_lock [2021-12-22 16:04:30,990 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-22 16:04:30,991 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-22 16:04:30,991 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-22 16:04:30,991 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-22 16:04:30,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-12-22 16:04:30,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-12-22 16:04:30,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_154 [2021-12-22 16:04:30,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_154 [2021-12-22 16:04:30,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-22 16:04:30,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-22 16:04:30,991 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2021-12-22 16:04:30,992 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_device [2021-12-22 16:04:30,992 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2021-12-22 16:04:30,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2021-12-22 16:04:30,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_ppp_mutex [2021-12-22 16:04:30,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_ppp_mutex [2021-12-22 16:04:30,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-22 16:04:30,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-22 16:04:30,992 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-22 16:04:30,992 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-22 16:04:30,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_133 [2021-12-22 16:04:30,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_133 [2021-12-22 16:04:30,993 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2021-12-22 16:04:30,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2021-12-22 16:04:30,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_134 [2021-12-22 16:04:30,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_134 [2021-12-22 16:04:30,993 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2021-12-22 16:04:30,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_channel [2021-12-22 16:04:30,993 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2021-12-22 16:04:30,993 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2021-12-22 16:04:30,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-12-22 16:04:30,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-12-22 16:04:30,994 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 16:04:30,994 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 16:04:30,994 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2021-12-22 16:04:30,994 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2021-12-22 16:04:30,994 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_nonmp_frame [2021-12-22 16:04:30,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_nonmp_frame [2021-12-22 16:04:30,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-12-22 16:04:30,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-12-22 16:04:30,995 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2021-12-22 16:04:30,995 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2021-12-22 16:04:30,995 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2021-12-22 16:04:30,995 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2021-12-22 16:04:30,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-12-22 16:04:30,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-12-22 16:04:30,995 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-22 16:04:30,995 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-22 16:04:30,995 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-22 16:04:30,995 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-22 16:04:30,996 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2021-12-22 16:04:30,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2021-12-22 16:04:30,996 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-22 16:04:30,996 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-22 16:04:30,996 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2021-12-22 16:04:30,996 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2021-12-22 16:04:30,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-22 16:04:30,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-22 16:04:30,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-12-22 16:04:30,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-12-22 16:04:30,997 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_register_net_channel [2021-12-22 16:04:30,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_register_net_channel [2021-12-22 16:04:30,997 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_mp_explode [2021-12-22 16:04:30,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_mp_explode [2021-12-22 16:04:30,997 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-22 16:04:30,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-22 16:04:30,997 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_poll [2021-12-22 16:04:30,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_poll [2021-12-22 16:04:30,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 16:04:30,998 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-22 16:04:30,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-22 16:04:31,790 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 16:04:31,793 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 16:04:31,982 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 16:04:35,084 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 16:04:35,098 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 16:04:35,111 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-12-22 16:04:35,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 04:04:35 BoogieIcfgContainer [2021-12-22 16:04:35,116 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 16:04:35,117 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 16:04:35,117 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 16:04:35,122 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 16:04:35,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 04:04:24" (1/3) ... [2021-12-22 16:04:35,124 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b5f5911 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 04:04:35, skipping insertion in model container [2021-12-22 16:04:35,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:04:30" (2/3) ... [2021-12-22 16:04:35,124 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b5f5911 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 04:04:35, skipping insertion in model container [2021-12-22 16:04:35,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 04:04:35" (3/3) ... [2021-12-22 16:04:35,125 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i [2021-12-22 16:04:35,129 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 16:04:35,130 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2021-12-22 16:04:35,227 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 16:04:35,238 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-22 16:04:35,238 INFO L340 AbstractCegarLoop]: Starting to check reachability of 44 error locations. [2021-12-22 16:04:35,283 INFO L276 IsEmpty]: Start isEmpty. Operand has 2663 states, 1787 states have (on average 1.3256855064353665) internal successors, (2369), 1906 states have internal predecessors, (2369), 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) [2021-12-22 16:04:35,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-12-22 16:04:35,287 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:04:35,288 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 16:04:35,288 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_fs_char_dev__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 42 more)] === [2021-12-22 16:04:35,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:04:35,292 INFO L85 PathProgramCache]: Analyzing trace with hash 991843258, now seen corresponding path program 1 times [2021-12-22 16:04:35,298 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:04:35,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952969856] [2021-12-22 16:04:35,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:04:35,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:04:35,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:04:35,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:04:35,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:04:35,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-22 16:04:35,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:04:35,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:04:35,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:04:35,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:04:35,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:04:35,807 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-22 16:04:35,808 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:04:35,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952969856] [2021-12-22 16:04:35,808 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952969856] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:04:35,808 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:04:35,809 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 16:04:35,810 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243890779] [2021-12-22 16:04:35,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:04:35,827 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 16:04:35,827 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:04:35,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 16:04:35,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 16:04:35,873 INFO L87 Difference]: Start difference. First operand has 2663 states, 1787 states have (on average 1.3256855064353665) internal successors, (2369), 1906 states have internal predecessors, (2369), 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) [2021-12-22 16:04:36,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:04:36,305 INFO L93 Difference]: Finished difference Result 7839 states and 11384 transitions. [2021-12-22 16:04:36,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 16:04:36,307 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 [2021-12-22 16:04:36,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:04:36,365 INFO L225 Difference]: With dead ends: 7839 [2021-12-22 16:04:36,365 INFO L226 Difference]: Without dead ends: 5171 [2021-12-22 16:04:36,396 INFO L932 BasicCegarLoop]: 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 [2021-12-22 16:04:36,402 INFO L933 BasicCegarLoop]: 6651 mSDtfsCounter, 3570 mSDsluCounter, 16772 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3571 SdHoareTripleChecker+Valid, 23423 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 [2021-12-22 16:04:36,403 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3571 Valid, 23423 Invalid, 16 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-22 16:04:36,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5171 states. [2021-12-22 16:04:36,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5171 to 5078. [2021-12-22 16:04:36,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5078 states, 3428 states have (on average 1.2876312718786465) internal successors, (4414), 3615 states have internal predecessors, (4414), 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) [2021-12-22 16:04:36,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5078 states to 5078 states and 6962 transitions. [2021-12-22 16:04:36,697 INFO L78 Accepts]: Start accepts. Automaton has 5078 states and 6962 transitions. Word has length 34 [2021-12-22 16:04:36,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:04:36,697 INFO L470 AbstractCegarLoop]: Abstraction has 5078 states and 6962 transitions. [2021-12-22 16:04:36,697 INFO L471 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) [2021-12-22 16:04:36,698 INFO L276 IsEmpty]: Start isEmpty. Operand 5078 states and 6962 transitions. [2021-12-22 16:04:36,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-12-22 16:04:36,700 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:04:36,700 INFO L514 BasicCegarLoop]: 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] [2021-12-22 16:04:36,700 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 16:04:36,700 INFO L402 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)] === [2021-12-22 16:04:36,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:04:36,701 INFO L85 PathProgramCache]: Analyzing trace with hash 212241193, now seen corresponding path program 1 times [2021-12-22 16:04:36,701 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:04:36,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986247822] [2021-12-22 16:04:36,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:04:36,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:04:36,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:04:36,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:04:36,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:04:36,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-22 16:04:36,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:04:36,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:04:36,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:04:36,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:04:36,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:04:36,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-22 16:04:36,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:04:36,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:04:36,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:04:37,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 16:04:37,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:04:37,013 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-12-22 16:04:37,013 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:04:37,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986247822] [2021-12-22 16:04:37,014 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986247822] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:04:37,014 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:04:37,014 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 16:04:37,014 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778138409] [2021-12-22 16:04:37,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:04:37,015 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 16:04:37,015 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:04:37,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 16:04:37,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 16:04:37,016 INFO L87 Difference]: Start difference. First operand 5078 states and 6962 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) [2021-12-22 16:04:37,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:04:37,150 INFO L93 Difference]: Finished difference Result 5078 states and 6962 transitions. [2021-12-22 16:04:37,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 16:04:37,151 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 [2021-12-22 16:04:37,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:04:37,175 INFO L225 Difference]: With dead ends: 5078 [2021-12-22 16:04:37,176 INFO L226 Difference]: Without dead ends: 5076 [2021-12-22 16:04:37,180 INFO L932 BasicCegarLoop]: 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 [2021-12-22 16:04:37,181 INFO L933 BasicCegarLoop]: 3557 mSDtfsCounter, 3550 mSDsluCounter, 7111 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3551 SdHoareTripleChecker+Valid, 10668 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-22 16:04:37,182 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3551 Valid, 10668 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-22 16:04:37,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5076 states. [2021-12-22 16:04:37,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5076 to 5076. [2021-12-22 16:04:37,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5076 states, 3427 states have (on average 1.2871316019842427) internal successors, (4411), 3613 states have internal predecessors, (4411), 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) [2021-12-22 16:04:37,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5076 states to 5076 states and 6959 transitions. [2021-12-22 16:04:37,354 INFO L78 Accepts]: Start accepts. Automaton has 5076 states and 6959 transitions. Word has length 53 [2021-12-22 16:04:37,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:04:37,355 INFO L470 AbstractCegarLoop]: Abstraction has 5076 states and 6959 transitions. [2021-12-22 16:04:37,355 INFO L471 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) [2021-12-22 16:04:37,355 INFO L276 IsEmpty]: Start isEmpty. Operand 5076 states and 6959 transitions. [2021-12-22 16:04:37,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-12-22 16:04:37,359 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:04:37,360 INFO L514 BasicCegarLoop]: 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] [2021-12-22 16:04:37,360 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 16:04:37,360 INFO L402 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)] === [2021-12-22 16:04:37,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:04:37,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1267847086, now seen corresponding path program 1 times [2021-12-22 16:04:37,361 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:04:37,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364620971] [2021-12-22 16:04:37,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:04:37,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:04:37,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:04:37,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:04:37,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:04:37,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 16:04:37,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:04:37,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 16:04:37,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:04:37,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 16:04:37,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:04:37,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:04:37,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:04:37,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 16:04:37,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:04:37,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-22 16:04:37,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:04:37,627 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-22 16:04:37,628 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:04:37,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364620971] [2021-12-22 16:04:37,628 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364620971] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:04:37,628 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:04:37,628 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:04:37,628 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471085438] [2021-12-22 16:04:37,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:04:37,629 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:04:37,629 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:04:37,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:04:37,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:04:37,630 INFO L87 Difference]: Start difference. First operand 5076 states and 6959 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) [2021-12-22 16:04:43,804 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 16:04:45,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:04:45,287 INFO L93 Difference]: Finished difference Result 5434 states and 7487 transitions. [2021-12-22 16:04:45,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 16:04:45,288 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 [2021-12-22 16:04:45,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:04:45,319 INFO L225 Difference]: With dead ends: 5434 [2021-12-22 16:04:45,319 INFO L226 Difference]: Without dead ends: 5432 [2021-12-22 16:04:45,323 INFO L932 BasicCegarLoop]: 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 [2021-12-22 16:04:45,324 INFO L933 BasicCegarLoop]: 3094 mSDtfsCounter, 6650 mSDsluCounter, 1508 mSDsCounter, 0 mSdLazyCounter, 3678 mSolverCounterSat, 3595 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6769 SdHoareTripleChecker+Valid, 4602 SdHoareTripleChecker+Invalid, 7273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3595 IncrementalHoareTripleChecker+Valid, 3678 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2021-12-22 16:04:45,324 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6769 Valid, 4602 Invalid, 7273 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3595 Valid, 3678 Invalid, 0 Unknown, 0 Unchecked, 7.2s Time] [2021-12-22 16:04:45,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5432 states. [2021-12-22 16:04:45,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5432 to 5074. [2021-12-22 16:04:45,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5074 states, 3426 states have (on average 1.2866316403969644) internal successors, (4408), 3611 states have internal predecessors, (4408), 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) [2021-12-22 16:04:45,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5074 states to 5074 states and 6956 transitions. [2021-12-22 16:04:45,559 INFO L78 Accepts]: Start accepts. Automaton has 5074 states and 6956 transitions. Word has length 52 [2021-12-22 16:04:45,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:04:45,561 INFO L470 AbstractCegarLoop]: Abstraction has 5074 states and 6956 transitions. [2021-12-22 16:04:45,562 INFO L471 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) [2021-12-22 16:04:45,562 INFO L276 IsEmpty]: Start isEmpty. Operand 5074 states and 6956 transitions. [2021-12-22 16:04:45,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-12-22 16:04:45,565 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:04:45,565 INFO L514 BasicCegarLoop]: 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] [2021-12-22 16:04:45,565 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-22 16:04:45,566 INFO L402 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)] === [2021-12-22 16:04:45,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:04:45,566 INFO L85 PathProgramCache]: Analyzing trace with hash -397080487, now seen corresponding path program 1 times [2021-12-22 16:04:45,566 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:04:45,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699786376] [2021-12-22 16:04:45,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:04:45,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:04:45,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:04:45,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:04:45,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:04:45,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 16:04:45,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:04:45,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 16:04:45,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:04:45,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 16:04:45,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:04:45,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:04:45,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:04:45,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 16:04:45,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:04:45,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-22 16:04:45,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:04:45,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-22 16:04:45,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:04:45,783 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-22 16:04:45,784 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:04:45,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699786376] [2021-12-22 16:04:45,784 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699786376] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:04:45,784 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:04:45,784 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:04:45,784 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748383141] [2021-12-22 16:04:45,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:04:45,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:04:45,785 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:04:45,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:04:45,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:04:45,786 INFO L87 Difference]: Start difference. First operand 5074 states and 6956 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) [2021-12-22 16:04:51,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:04:51,830 INFO L93 Difference]: Finished difference Result 5432 states and 7484 transitions. [2021-12-22 16:04:51,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 16:04:51,831 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 [2021-12-22 16:04:51,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:04:51,866 INFO L225 Difference]: With dead ends: 5432 [2021-12-22 16:04:51,866 INFO L226 Difference]: Without dead ends: 5430 [2021-12-22 16:04:51,870 INFO L932 BasicCegarLoop]: 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 [2021-12-22 16:04:51,871 INFO L933 BasicCegarLoop]: 3134 mSDtfsCounter, 6566 mSDsluCounter, 1511 mSDsCounter, 0 mSdLazyCounter, 3715 mSolverCounterSat, 3586 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6684 SdHoareTripleChecker+Valid, 4645 SdHoareTripleChecker+Invalid, 7301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3586 IncrementalHoareTripleChecker+Valid, 3715 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2021-12-22 16:04:51,872 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6684 Valid, 4645 Invalid, 7301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3586 Valid, 3715 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2021-12-22 16:04:51,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5430 states. [2021-12-22 16:04:52,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5430 to 5072. [2021-12-22 16:04:52,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5072 states, 3425 states have (on average 1.2861313868613138) internal successors, (4405), 3609 states have internal predecessors, (4405), 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) [2021-12-22 16:04:52,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5072 states to 5072 states and 6953 transitions. [2021-12-22 16:04:52,115 INFO L78 Accepts]: Start accepts. Automaton has 5072 states and 6953 transitions. Word has length 58 [2021-12-22 16:04:52,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:04:52,115 INFO L470 AbstractCegarLoop]: Abstraction has 5072 states and 6953 transitions. [2021-12-22 16:04:52,116 INFO L471 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) [2021-12-22 16:04:52,116 INFO L276 IsEmpty]: Start isEmpty. Operand 5072 states and 6953 transitions. [2021-12-22 16:04:52,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-12-22 16:04:52,118 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:04:52,118 INFO L514 BasicCegarLoop]: 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] [2021-12-22 16:04:52,118 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-22 16:04:52,119 INFO L402 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)] === [2021-12-22 16:04:52,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:04:52,119 INFO L85 PathProgramCache]: Analyzing trace with hash -1434544736, now seen corresponding path program 1 times [2021-12-22 16:04:52,120 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:04:52,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066665732] [2021-12-22 16:04:52,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:04:52,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:04:52,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:04:52,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:04:52,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:04:52,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 16:04:52,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:04:52,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 16:04:52,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:04:52,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 16:04:52,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:04:52,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:04:52,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:04:52,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 16:04:52,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:04:52,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-22 16:04:52,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:04:52,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-22 16:04:52,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:04:52,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-22 16:04:52,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:04:52,389 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-22 16:04:52,389 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:04:52,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066665732] [2021-12-22 16:04:52,389 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066665732] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:04:52,389 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:04:52,390 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:04:52,390 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782318380] [2021-12-22 16:04:52,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:04:52,391 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:04:52,391 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:04:52,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:04:52,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:04:52,392 INFO L87 Difference]: Start difference. First operand 5072 states and 6953 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) [2021-12-22 16:04:58,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:04:58,187 INFO L93 Difference]: Finished difference Result 5430 states and 7481 transitions. [2021-12-22 16:04:58,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 16:04:58,188 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 [2021-12-22 16:04:58,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:04:58,238 INFO L225 Difference]: With dead ends: 5430 [2021-12-22 16:04:58,239 INFO L226 Difference]: Without dead ends: 5428 [2021-12-22 16:04:58,243 INFO L932 BasicCegarLoop]: 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 [2021-12-22 16:04:58,245 INFO L933 BasicCegarLoop]: 3082 mSDtfsCounter, 6646 mSDsluCounter, 1504 mSDsCounter, 0 mSdLazyCounter, 3670 mSolverCounterSat, 3607 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6763 SdHoareTripleChecker+Valid, 4586 SdHoareTripleChecker+Invalid, 7277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3607 IncrementalHoareTripleChecker+Valid, 3670 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2021-12-22 16:04:58,245 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6763 Valid, 4586 Invalid, 7277 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3607 Valid, 3670 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2021-12-22 16:04:58,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5428 states. [2021-12-22 16:04:58,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5428 to 5070. [2021-12-22 16:04:58,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5070 states, 3424 states have (on average 1.2856308411214954) internal successors, (4402), 3607 states have internal predecessors, (4402), 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) [2021-12-22 16:04:58,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5070 states to 5070 states and 6950 transitions. [2021-12-22 16:04:58,439 INFO L78 Accepts]: Start accepts. Automaton has 5070 states and 6950 transitions. Word has length 64 [2021-12-22 16:04:58,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:04:58,439 INFO L470 AbstractCegarLoop]: Abstraction has 5070 states and 6950 transitions. [2021-12-22 16:04:58,440 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (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) [2021-12-22 16:04:58,440 INFO L276 IsEmpty]: Start isEmpty. Operand 5070 states and 6950 transitions. [2021-12-22 16:04:58,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-12-22 16:04:58,441 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:04:58,441 INFO L514 BasicCegarLoop]: 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] [2021-12-22 16:04:58,441 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-22 16:04:58,441 INFO L402 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)] === [2021-12-22 16:04:58,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:04:58,442 INFO L85 PathProgramCache]: Analyzing trace with hash 516495216, now seen corresponding path program 1 times [2021-12-22 16:04:58,443 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:04:58,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943961407] [2021-12-22 16:04:58,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:04:58,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:04:58,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:04:58,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:04:58,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:04:58,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 16:04:58,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:04:58,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 16:04:58,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:04:58,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 16:04:58,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:04:58,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:04:58,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:04:58,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 16:04:58,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:04:58,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-22 16:04:58,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:04:58,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 16:04:58,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:04:58,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-22 16:04:58,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:04:58,687 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-22 16:04:58,688 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:04:58,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943961407] [2021-12-22 16:04:58,688 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943961407] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:04:58,688 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:04:58,689 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-22 16:04:58,689 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79901836] [2021-12-22 16:04:58,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:04:58,689 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-22 16:04:58,689 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:04:58,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-22 16:04:58,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-22 16:04:58,690 INFO L87 Difference]: Start difference. First operand 5070 states and 6950 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) [2021-12-22 16:05:09,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:05:09,409 INFO L93 Difference]: Finished difference Result 6424 states and 8626 transitions. [2021-12-22 16:05:09,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-22 16:05:09,409 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 [2021-12-22 16:05:09,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:05:09,429 INFO L225 Difference]: With dead ends: 6424 [2021-12-22 16:05:09,430 INFO L226 Difference]: Without dead ends: 6215 [2021-12-22 16:05:09,432 INFO L932 BasicCegarLoop]: 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 [2021-12-22 16:05:09,433 INFO L933 BasicCegarLoop]: 3161 mSDtfsCounter, 5067 mSDsluCounter, 4608 mSDsCounter, 0 mSdLazyCounter, 12122 mSolverCounterSat, 2726 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5186 SdHoareTripleChecker+Valid, 7769 SdHoareTripleChecker+Invalid, 14848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2726 IncrementalHoareTripleChecker+Valid, 12122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2021-12-22 16:05:09,433 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5186 Valid, 7769 Invalid, 14848 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2726 Valid, 12122 Invalid, 0 Unknown, 0 Unchecked, 10.2s Time] [2021-12-22 16:05:09,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6215 states. [2021-12-22 16:05:09,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6215 to 5448. [2021-12-22 16:05:09,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5448 states, 3683 states have (on average 1.2766766223187618) internal successors, (4702), 3874 states have internal predecessors, (4702), 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) [2021-12-22 16:05:09,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5448 states to 5448 states and 7414 transitions. [2021-12-22 16:05:09,659 INFO L78 Accepts]: Start accepts. Automaton has 5448 states and 7414 transitions. Word has length 66 [2021-12-22 16:05:09,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:05:09,660 INFO L470 AbstractCegarLoop]: Abstraction has 5448 states and 7414 transitions. [2021-12-22 16:05:09,660 INFO L471 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) [2021-12-22 16:05:09,660 INFO L276 IsEmpty]: Start isEmpty. Operand 5448 states and 7414 transitions. [2021-12-22 16:05:09,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-12-22 16:05:09,661 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:05:09,661 INFO L514 BasicCegarLoop]: 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] [2021-12-22 16:05:09,661 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-22 16:05:09,662 INFO L402 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)] === [2021-12-22 16:05:09,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:05:09,662 INFO L85 PathProgramCache]: Analyzing trace with hash -297872605, now seen corresponding path program 1 times [2021-12-22 16:05:09,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:05:09,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948233750] [2021-12-22 16:05:09,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:05:09,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:05:09,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:05:09,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:05:09,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:05:09,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 16:05:09,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:05:09,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 16:05:09,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:05:09,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 16:05:09,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:05:09,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:05:09,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:05:09,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 16:05:09,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:05:09,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-22 16:05:09,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:05:09,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-22 16:05:09,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:05:09,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-22 16:05:09,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:05:09,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-22 16:05:09,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:05:09,853 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-22 16:05:09,853 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:05:09,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948233750] [2021-12-22 16:05:09,854 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948233750] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:05:09,854 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:05:09,854 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:05:09,854 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870071316] [2021-12-22 16:05:09,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:05:09,854 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:05:09,855 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:05:09,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:05:09,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:05:09,855 INFO L87 Difference]: Start difference. First operand 5448 states and 7414 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) [2021-12-22 16:05:15,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:05:15,585 INFO L93 Difference]: Finished difference Result 5806 states and 7942 transitions. [2021-12-22 16:05:15,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 16:05:15,585 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 [2021-12-22 16:05:15,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:05:15,598 INFO L225 Difference]: With dead ends: 5806 [2021-12-22 16:05:15,599 INFO L226 Difference]: Without dead ends: 5804 [2021-12-22 16:05:15,600 INFO L932 BasicCegarLoop]: 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 [2021-12-22 16:05:15,601 INFO L933 BasicCegarLoop]: 3162 mSDtfsCounter, 6508 mSDsluCounter, 1520 mSDsCounter, 0 mSdLazyCounter, 3734 mSolverCounterSat, 3559 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6624 SdHoareTripleChecker+Valid, 4682 SdHoareTripleChecker+Invalid, 7293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3559 IncrementalHoareTripleChecker+Valid, 3734 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2021-12-22 16:05:15,601 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6624 Valid, 4682 Invalid, 7293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3559 Valid, 3734 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2021-12-22 16:05:15,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5804 states. [2021-12-22 16:05:15,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5804 to 5446. [2021-12-22 16:05:15,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5446 states, 3682 states have (on average 1.2762085822922324) internal successors, (4699), 3872 states have internal predecessors, (4699), 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) [2021-12-22 16:05:15,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5446 states to 5446 states and 7411 transitions. [2021-12-22 16:05:15,767 INFO L78 Accepts]: Start accepts. Automaton has 5446 states and 7411 transitions. Word has length 70 [2021-12-22 16:05:15,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:05:15,768 INFO L470 AbstractCegarLoop]: Abstraction has 5446 states and 7411 transitions. [2021-12-22 16:05:15,768 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-12-22 16:05:15,768 INFO L276 IsEmpty]: Start isEmpty. Operand 5446 states and 7411 transitions. [2021-12-22 16:05:15,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-12-22 16:05:15,769 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:05:15,769 INFO L514 BasicCegarLoop]: 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] [2021-12-22 16:05:15,769 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-22 16:05:15,769 INFO L402 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)] === [2021-12-22 16:05:15,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:05:15,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1171577621, now seen corresponding path program 1 times [2021-12-22 16:05:15,770 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:05:15,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375308740] [2021-12-22 16:05:15,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:05:15,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:05:15,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:05:15,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:05:15,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:05:15,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 16:05:15,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:05:15,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-22 16:05:15,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:05:15,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-22 16:05:15,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:05:15,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:05:15,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:05:15,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 16:05:15,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:05:15,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-22 16:05:15,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:05:15,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 16:05:15,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:05:15,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-22 16:05:15,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:05:15,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-22 16:05:15,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:05:15,971 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-12-22 16:05:15,972 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:05:15,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375308740] [2021-12-22 16:05:15,972 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375308740] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:05:15,972 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:05:15,972 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-22 16:05:15,972 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408578457] [2021-12-22 16:05:15,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:05:15,973 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-22 16:05:15,973 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:05:15,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-22 16:05:15,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-22 16:05:15,974 INFO L87 Difference]: Start difference. First operand 5446 states and 7411 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)