./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 ff03de63 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-ff03de6 [2021-12-21 17:37:54,176 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 17:37:54,178 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 17:37:54,237 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 17:37:54,240 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 17:37:54,249 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 17:37:54,252 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 17:37:54,258 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 17:37:54,260 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 17:37:54,261 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 17:37:54,262 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 17:37:54,263 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 17:37:54,263 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 17:37:54,264 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 17:37:54,265 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 17:37:54,267 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 17:37:54,269 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 17:37:54,270 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 17:37:54,272 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 17:37:54,277 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 17:37:54,278 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 17:37:54,279 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 17:37:54,280 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 17:37:54,282 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 17:37:54,286 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 17:37:54,291 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 17:37:54,291 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 17:37:54,292 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 17:37:54,293 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 17:37:54,294 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 17:37:54,294 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 17:37:54,295 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 17:37:54,296 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 17:37:54,297 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 17:37:54,298 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 17:37:54,299 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 17:37:54,300 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 17:37:54,300 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 17:37:54,301 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 17:37:54,301 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 17:37:54,302 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 17:37:54,302 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-21 17:37:54,331 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 17:37:54,331 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 17:37:54,332 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 17:37:54,332 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 17:37:54,333 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 17:37:54,333 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 17:37:54,333 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 17:37:54,334 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 17:37:54,334 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 17:37:54,334 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 17:37:54,335 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 17:37:54,335 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 17:37:54,335 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 17:37:54,335 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 17:37:54,336 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 17:37:54,336 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 17:37:54,336 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 17:37:54,336 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 17:37:54,336 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 17:37:54,337 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 17:37:54,337 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 17:37:54,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 17:37:54,337 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 17:37:54,337 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 17:37:54,337 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 17:37:54,338 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 17:37:54,338 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 17:37:54,338 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 17:37:54,338 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 17:37:54,338 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 17:37:54,339 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 17:37:54,339 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8c1c69a9209f2e1e672b4301b3aeef542d8617026686dc57b4ac44c2de1cbfb [2021-12-21 17:37:54,619 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 17:37:54,649 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 17:37:54,652 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 17:37:54,653 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 17:37:54,654 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 17:37:54,655 INFO L432 ainManager$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 [2021-12-21 17:37:54,725 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb0a77e4e/28628654a0434771b13f2dace3656587/FLAGbf0306f2b [2021-12-21 17:37:55,608 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 17:37:55,609 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 [2021-12-21 17:37:55,668 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb0a77e4e/28628654a0434771b13f2dace3656587/FLAGbf0306f2b [2021-12-21 17:37:56,087 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb0a77e4e/28628654a0434771b13f2dace3656587 [2021-12-21 17:37:56,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 17:37:56,091 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 17:37:56,093 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 17:37:56,093 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 17:37:56,096 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 17:37:56,097 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 05:37:56" (1/1) ... [2021-12-21 17:37:56,099 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@110ebc8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:37:56, skipping insertion in model container [2021-12-21 17:37:56,099 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 05:37:56" (1/1) ... [2021-12-21 17:37:56,105 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 17:37:56,273 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 17:38:01,434 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[489935,489948] [2021-12-21 17:38:01,437 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490080,490093] [2021-12-21 17:38:01,440 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-21 17:38:01,440 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-21 17:38:01,441 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-21 17:38:01,442 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490707,490720] [2021-12-21 17:38:01,442 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[490865,490878] [2021-12-21 17:38:01,443 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-21 17:38:01,443 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-21 17:38:01,443 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-21 17:38:01,444 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-21 17:38:01,445 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-21 17:38:01,445 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-21 17:38:01,445 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-21 17:38:01,446 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-21 17:38:01,450 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492219,492232] [2021-12-21 17:38:01,451 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492370,492383] [2021-12-21 17:38:01,452 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492522,492535] [2021-12-21 17:38:01,453 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492671,492684] [2021-12-21 17:38:01,454 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492819,492832] [2021-12-21 17:38:01,454 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[492976,492989] [2021-12-21 17:38:01,454 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493125,493138] [2021-12-21 17:38:01,455 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493281,493294] [2021-12-21 17:38:01,455 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493434,493447] [2021-12-21 17:38:01,457 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493580,493593] [2021-12-21 17:38:01,458 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493723,493736] [2021-12-21 17:38:01,458 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[493875,493888] [2021-12-21 17:38:01,459 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494021,494034] [2021-12-21 17:38:01,460 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494166,494179] [2021-12-21 17:38:01,461 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494320,494333] [2021-12-21 17:38:01,462 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[494471,494484] [2021-12-21 17:38:01,463 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-21 17:38:01,463 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-21 17:38:01,463 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-21 17:38:01,464 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495097,495110] [2021-12-21 17:38:01,465 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495253,495266] [2021-12-21 17:38:01,465 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495417,495430] [2021-12-21 17:38:01,466 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495559,495572] [2021-12-21 17:38:01,466 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495717,495730] [2021-12-21 17:38:01,466 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[495884,495897] [2021-12-21 17:38:01,467 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496043,496056] [2021-12-21 17:38:01,467 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496202,496215] [2021-12-21 17:38:01,468 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496351,496364] [2021-12-21 17:38:01,468 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496498,496511] [2021-12-21 17:38:01,468 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496637,496650] [2021-12-21 17:38:01,469 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496800,496813] [2021-12-21 17:38:01,469 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496966,496979] [2021-12-21 17:38:01,473 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497130,497143] [2021-12-21 17:38:01,474 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497295,497308] [2021-12-21 17:38:01,475 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497460,497473] [2021-12-21 17:38:01,475 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497626,497639] [2021-12-21 17:38:01,475 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497791,497804] [2021-12-21 17:38:01,476 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[497958,497971] [2021-12-21 17:38:01,476 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[498118,498131] [2021-12-21 17:38:01,476 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[498280,498293] [2021-12-21 17:38:01,477 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498439,498452] [2021-12-21 17:38:01,477 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498585,498598] [2021-12-21 17:38:01,478 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498728,498741] [2021-12-21 17:38:01,478 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498872,498885] [2021-12-21 17:38:01,478 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499015,499028] [2021-12-21 17:38:01,479 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499159,499172] [2021-12-21 17:38:01,480 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499300,499313] [2021-12-21 17:38:01,480 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499438,499451] [2021-12-21 17:38:01,480 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499596,499609] [2021-12-21 17:38:01,481 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499755,499768] [2021-12-21 17:38:01,481 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499911,499924] [2021-12-21 17:38:01,481 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500060,500073] [2021-12-21 17:38:01,482 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500212,500225] [2021-12-21 17:38:01,482 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500363,500376] [2021-12-21 17:38:01,482 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500512,500525] [2021-12-21 17:38:01,483 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500664,500677] [2021-12-21 17:38:01,484 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[500812,500825] [2021-12-21 17:38:01,484 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[500965,500978] [2021-12-21 17:38:01,484 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[501116,501129] [2021-12-21 17:38:01,485 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[501266,501279] [2021-12-21 17:38:01,485 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[501413,501426] [2021-12-21 17:38:01,485 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[501564,501577] [2021-12-21 17:38:01,486 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[501715,501728] [2021-12-21 17:38:01,486 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[501863,501876] [2021-12-21 17:38:01,488 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[502029,502042] [2021-12-21 17:38:01,488 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[502198,502211] [2021-12-21 17:38:01,488 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[502365,502378] [2021-12-21 17:38:01,489 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[502533,502546] [2021-12-21 17:38:01,489 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[502683,502696] [2021-12-21 17:38:01,489 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[502830,502843] [2021-12-21 17:38:01,490 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502991,503004] [2021-12-21 17:38:01,490 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[503161,503174] [2021-12-21 17:38:01,490 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[503323,503336] [2021-12-21 17:38:01,509 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 17:38:01,559 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 17:38:01,906 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] [2021-12-21 17:38:01,909 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[490080,490093] [2021-12-21 17:38:01,913 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[490226,490239] [2021-12-21 17:38:01,913 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[490391,490404] [2021-12-21 17:38:01,914 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[490549,490562] [2021-12-21 17:38:01,915 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[490707,490720] [2021-12-21 17:38:01,915 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[490865,490878] [2021-12-21 17:38:01,916 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[491025,491038] [2021-12-21 17:38:01,916 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[491184,491197] [2021-12-21 17:38:01,917 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[491323,491336] [2021-12-21 17:38:01,917 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[491465,491478] [2021-12-21 17:38:01,917 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[491614,491627] [2021-12-21 17:38:01,918 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[491753,491766] [2021-12-21 17:38:01,918 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[491908,491921] [2021-12-21 17:38:01,918 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[492068,492081] [2021-12-21 17:38:01,919 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[492219,492232] [2021-12-21 17:38:01,919 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[492370,492383] [2021-12-21 17:38:01,920 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[492522,492535] [2021-12-21 17:38:01,920 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[492671,492684] [2021-12-21 17:38:01,920 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[492819,492832] [2021-12-21 17:38:01,921 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[492976,492989] [2021-12-21 17:38:01,921 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[493125,493138] [2021-12-21 17:38:01,922 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[493281,493294] [2021-12-21 17:38:01,923 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[493434,493447] [2021-12-21 17:38:01,923 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[493580,493593] [2021-12-21 17:38:01,923 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[493723,493736] [2021-12-21 17:38:01,924 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[493875,493888] [2021-12-21 17:38:01,924 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[494021,494034] [2021-12-21 17:38:01,928 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[494166,494179] [2021-12-21 17:38:01,929 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[494320,494333] [2021-12-21 17:38:01,929 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[494471,494484] [2021-12-21 17:38:01,930 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[494626,494639] [2021-12-21 17:38:01,930 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[494778,494791] [2021-12-21 17:38:01,930 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[494933,494946] [2021-12-21 17:38:01,931 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[495097,495110] [2021-12-21 17:38:01,932 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[495253,495266] [2021-12-21 17:38:01,932 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[495417,495430] [2021-12-21 17:38:01,932 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[495559,495572] [2021-12-21 17:38:01,933 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[495717,495730] [2021-12-21 17:38:01,933 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[495884,495897] [2021-12-21 17:38:01,935 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496043,496056] [2021-12-21 17:38:01,935 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496202,496215] [2021-12-21 17:38:01,935 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496351,496364] [2021-12-21 17:38:01,936 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496498,496511] [2021-12-21 17:38:01,936 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496637,496650] [2021-12-21 17:38:01,936 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496800,496813] [2021-12-21 17:38:01,936 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[496966,496979] [2021-12-21 17:38:01,937 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497130,497143] [2021-12-21 17:38:01,937 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497295,497308] [2021-12-21 17:38:01,938 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497460,497473] [2021-12-21 17:38:01,938 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497626,497639] [2021-12-21 17:38:01,938 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497791,497804] [2021-12-21 17:38:01,939 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[497958,497971] [2021-12-21 17:38:01,939 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498118,498131] [2021-12-21 17:38:01,939 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498280,498293] [2021-12-21 17:38:01,940 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498439,498452] [2021-12-21 17:38:01,940 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498585,498598] [2021-12-21 17:38:01,940 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498728,498741] [2021-12-21 17:38:01,964 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[498872,498885] [2021-12-21 17:38:01,965 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-21 17:38:01,965 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-21 17:38:01,966 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499300,499313] [2021-12-21 17:38:01,967 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499438,499451] [2021-12-21 17:38:01,968 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499596,499609] [2021-12-21 17:38:01,969 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499755,499768] [2021-12-21 17:38:01,969 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[499911,499924] [2021-12-21 17:38:01,972 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500060,500073] [2021-12-21 17:38:01,973 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500212,500225] [2021-12-21 17:38:01,974 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500363,500376] [2021-12-21 17:38:01,974 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500512,500525] [2021-12-21 17:38:01,975 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-21 17:38:01,975 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2021-12-21 17:38:01,976 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[500965,500978] [2021-12-21 17:38:01,976 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501116,501129] [2021-12-21 17:38:01,977 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501266,501279] [2021-12-21 17:38:01,977 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501413,501426] [2021-12-21 17:38:01,978 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501564,501577] [2021-12-21 17:38:01,978 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501715,501728] [2021-12-21 17:38:01,979 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[501863,501876] [2021-12-21 17:38:01,979 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502029,502042] [2021-12-21 17:38:01,980 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502198,502211] [2021-12-21 17:38:01,981 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502365,502378] [2021-12-21 17:38:01,981 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502533,502546] [2021-12-21 17:38:01,981 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502683,502696] [2021-12-21 17:38:01,982 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502830,502843] [2021-12-21 17:38:01,982 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[502991,503004] [2021-12-21 17:38:01,982 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[503161,503174] [2021-12-21 17:38:01,983 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i[503323,503336] [2021-12-21 17:38:01,987 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 17:38:02,284 INFO L208 MainTranslator]: Completed translation [2021-12-21 17:38:02,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:38:02 WrapperNode [2021-12-21 17:38:02,291 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 17:38:02,293 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 17:38:02,293 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 17:38:02,293 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 17:38:02,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:38:02" (1/1) ... [2021-12-21 17:38:02,461 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:38:02" (1/1) ... [2021-12-21 17:38:02,694 INFO L137 Inliner]: procedures = 776, calls = 2914, calls flagged for inlining = 349, calls inlined = 276, statements flattened = 7256 [2021-12-21 17:38:02,695 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 17:38:02,696 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 17:38:02,696 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 17:38:02,696 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 17:38:02,704 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:38:02" (1/1) ... [2021-12-21 17:38:02,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:38:02" (1/1) ... [2021-12-21 17:38:02,730 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:38:02" (1/1) ... [2021-12-21 17:38:02,731 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:38:02" (1/1) ... [2021-12-21 17:38:02,916 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:38:02" (1/1) ... [2021-12-21 17:38:02,944 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:38:02" (1/1) ... [2021-12-21 17:38:02,977 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:38:02" (1/1) ... [2021-12-21 17:38:03,020 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 17:38:03,021 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 17:38:03,022 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 17:38:03,022 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 17:38:03,023 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:38:02" (1/1) ... [2021-12-21 17:38:03,030 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 17:38:03,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 17:38:03,057 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) [2021-12-21 17:38:03,081 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 [2021-12-21 17:38:03,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2021-12-21 17:38:03,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2021-12-21 17:38:03,096 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-21 17:38:03,097 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2021-12-21 17:38:03,097 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2021-12-21 17:38:03,097 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-12-21 17:38:03,097 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-12-21 17:38:03,097 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2021-12-21 17:38:03,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2021-12-21 17:38:03,097 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2021-12-21 17:38:03,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2021-12-21 17:38:03,098 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-21 17:38:03,098 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-21 17:38:03,098 INFO L130 BoogieDeclarations]: Found specification of procedure bpf_prog_destroy [2021-12-21 17:38:03,098 INFO L138 BoogieDeclarations]: Found implementation of procedure bpf_prog_destroy [2021-12-21 17:38:03,098 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2021-12-21 17:38:03,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2021-12-21 17:38:03,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-12-21 17:38:03,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-12-21 17:38:03,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-21 17:38:03,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-21 17:38:03,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__double_init [2021-12-21 17:38:03,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__double_init [2021-12-21 17:38:03,099 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2021-12-21 17:38:03,100 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2021-12-21 17:38:03,100 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2021-12-21 17:38:03,100 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2021-12-21 17:38:03,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-12-21 17:38:03,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-12-21 17:38:03,100 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-21 17:38:03,100 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-21 17:38:03,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-21 17:38:03,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-21 17:38:03,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-12-21 17:38:03,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-12-21 17:38:03,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 17:38:03,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-12-21 17:38:03,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-12-21 17:38:03,101 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-12-21 17:38:03,102 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-12-21 17:38:03,102 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_output_wakeup [2021-12-21 17:38:03,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_output_wakeup [2021-12-21 17:38:03,102 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-21 17:38:03,102 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-21 17:38:03,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-12-21 17:38:03,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-12-21 17:38:03,103 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2021-12-21 17:38:03,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2021-12-21 17:38:03,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 17:38:03,103 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-21 17:38:03,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-21 17:38:03,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 17:38:03,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__not_initialized [2021-12-21 17:38:03,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__not_initialized [2021-12-21 17:38:03,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_read_unlock [2021-12-21 17:38:03,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_read_unlock [2021-12-21 17:38:03,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-21 17:38:03,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-21 17:38:03,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 17:38:03,105 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-21 17:38:03,105 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-12-21 17:38:03,105 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-12-21 17:38:03,105 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-12-21 17:38:03,105 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-12-21 17:38:03,105 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-21 17:38:03,106 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-21 17:38:03,106 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-12-21 17:38:03,106 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-12-21 17:38:03,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-21 17:38:03,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-21 17:38:03,106 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ioctl [2021-12-21 17:38:03,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ioctl [2021-12-21 17:38:03,107 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2021-12-21 17:38:03,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2021-12-21 17:38:03,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_198 [2021-12-21 17:38:03,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_198 [2021-12-21 17:38:03,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 17:38:03,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 17:38:03,109 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-21 17:38:03,109 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-21 17:38:03,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-21 17:38:03,110 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2021-12-21 17:38:03,110 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2021-12-21 17:38:03,110 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2021-12-21 17:38:03,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2021-12-21 17:38:03,110 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2021-12-21 17:38:03,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2021-12-21 17:38:03,111 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-21 17:38:03,111 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-21 17:38:03,111 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2021-12-21 17:38:03,111 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2021-12-21 17:38:03,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-21 17:38:03,111 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-21 17:38:03,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-12-21 17:38:03,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-12-21 17:38:03,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-12-21 17:38:03,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-12-21 17:38:03,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 17:38:03,112 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-21 17:38:03,112 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-21 17:38:03,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-12-21 17:38:03,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-12-21 17:38:03,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_base_class__double_registration [2021-12-21 17:38:03,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_base_class__double_registration [2021-12-21 17:38:03,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 17:38:03,113 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_send_frame [2021-12-21 17:38:03,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_send_frame [2021-12-21 17:38:03,113 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_error [2021-12-21 17:38:03,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_error [2021-12-21 17:38:03,114 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2021-12-21 17:38:03,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2021-12-21 17:38:03,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_module_put [2021-12-21 17:38:03,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_module_put [2021-12-21 17:38:03,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_idr_alloc_p [2021-12-21 17:38:03,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_idr_alloc_p [2021-12-21 17:38:03,114 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-21 17:38:03,114 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-21 17:38:03,115 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2021-12-21 17:38:03,115 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2021-12-21 17:38:03,115 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2021-12-21 17:38:03,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2021-12-21 17:38:03,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-21 17:38:03,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-21 17:38:03,116 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_dev_init [2021-12-21 17:38:03,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_dev_init [2021-12-21 17:38:03,116 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-21 17:38:03,116 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-21 17:38:03,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-12-21 17:38:03,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-12-21 17:38:03,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-12-21 17:38:03,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-12-21 17:38:03,117 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2021-12-21 17:38:03,117 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2021-12-21 17:38:03,117 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2021-12-21 17:38:03,117 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2021-12-21 17:38:03,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-21 17:38:03,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-21 17:38:03,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 17:38:03,118 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-12-21 17:38:03,118 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-12-21 17:38:03,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-21 17:38:03,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-21 17:38:03,118 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2021-12-21 17:38:03,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2021-12-21 17:38:03,118 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-21 17:38:03,119 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-21 17:38:03,119 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-21 17:38:03,119 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-21 17:38:03,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_all_ppp_mutex_of_ppp_net [2021-12-21 17:38:03,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_all_ppp_mutex_of_ppp_net [2021-12-21 17:38:03,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2021-12-21 17:38:03,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2021-12-21 17:38:03,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2021-12-21 17:38:03,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2021-12-21 17:38:03,120 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2021-12-21 17:38:03,120 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2021-12-21 17:38:03,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-12-21 17:38:03,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-12-21 17:38:03,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-21 17:38:03,120 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-21 17:38:03,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_159 [2021-12-21 17:38:03,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_159 [2021-12-21 17:38:03,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-21 17:38:03,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-21 17:38:03,121 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2021-12-21 17:38:03,121 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2021-12-21 17:38:03,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-12-21 17:38:03,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-12-21 17:38:03,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-12-21 17:38:03,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-12-21 17:38:03,122 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-21 17:38:03,122 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-21 17:38:03,122 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2021-12-21 17:38:03,122 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2021-12-21 17:38:03,122 INFO L130 BoogieDeclarations]: Found specification of procedure bpf_prog_create [2021-12-21 17:38:03,122 INFO L138 BoogieDeclarations]: Found implementation of procedure bpf_prog_create [2021-12-21 17:38:03,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-21 17:38:03,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-21 17:38:03,123 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-12-21 17:38:03,123 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-12-21 17:38:03,123 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-21 17:38:03,123 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-21 17:38:03,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-21 17:38:03,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-21 17:38:03,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-12-21 17:38:03,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-12-21 17:38:03,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 17:38:03,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_write_unlock [2021-12-21 17:38:03,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_write_unlock [2021-12-21 17:38:03,124 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-21 17:38:03,124 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-21 17:38:03,124 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2021-12-21 17:38:03,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2021-12-21 17:38:03,125 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-21 17:38:03,125 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-21 17:38:03,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_197 [2021-12-21 17:38:03,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_197 [2021-12-21 17:38:03,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-21 17:38:03,125 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-21 17:38:03,125 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-21 17:38:03,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_153 [2021-12-21 17:38:03,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_153 [2021-12-21 17:38:03,126 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-21 17:38:03,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-21 17:38:03,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-21 17:38:03,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-12-21 17:38:03,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-12-21 17:38:03,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-12-21 17:38:03,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-12-21 17:38:03,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-12-21 17:38:03,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-12-21 17:38:03,127 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2021-12-21 17:38:03,127 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2021-12-21 17:38:03,127 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_do_recv [2021-12-21 17:38:03,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_do_recv [2021-12-21 17:38:03,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_166 [2021-12-21 17:38:03,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_166 [2021-12-21 17:38:03,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__more_at_exit [2021-12-21 17:38:03,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__more_at_exit [2021-12-21 17:38:03,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-21 17:38:03,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-21 17:38:03,128 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2021-12-21 17:38:03,128 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2021-12-21 17:38:03,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_131 [2021-12-21 17:38:03,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_131 [2021-12-21 17:38:03,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_132 [2021-12-21 17:38:03,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_132 [2021-12-21 17:38:03,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_fs_char_dev__double_registration [2021-12-21 17:38:03,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_fs_char_dev__double_registration [2021-12-21 17:38:03,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-12-21 17:38:03,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-12-21 17:38:03,129 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2021-12-21 17:38:03,130 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2021-12-21 17:38:03,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_ppp_mutex [2021-12-21 17:38:03,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_ppp_mutex [2021-12-21 17:38:03,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_lib_idr__destroyed_before_usage [2021-12-21 17:38:03,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_lib_idr__destroyed_before_usage [2021-12-21 17:38:03,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_write_lock [2021-12-21 17:38:03,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_write_lock [2021-12-21 17:38:03,130 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_init_net [2021-12-21 17:38:03,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_init_net [2021-12-21 17:38:03,131 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 17:38:03,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 17:38:03,131 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-21 17:38:03,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-21 17:38:03,131 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-21 17:38:03,131 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-21 17:38:03,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-12-21 17:38:03,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-12-21 17:38:03,132 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2021-12-21 17:38:03,132 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2021-12-21 17:38:03,132 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2021-12-21 17:38:03,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2021-12-21 17:38:03,133 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-21 17:38:03,133 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-21 17:38:03,133 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-12-21 17:38:03,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-12-21 17:38:03,133 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2021-12-21 17:38:03,133 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2021-12-21 17:38:03,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-21 17:38:03,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-21 17:38:03,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-21 17:38:03,134 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_setup [2021-12-21 17:38:03,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_setup [2021-12-21 17:38:03,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-21 17:38:03,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-21 17:38:03,134 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-21 17:38:03,134 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-21 17:38:03,134 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2021-12-21 17:38:03,134 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2021-12-21 17:38:03,135 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-21 17:38:03,135 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-21 17:38:03,135 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2021-12-21 17:38:03,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2021-12-21 17:38:03,135 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-21 17:38:03,135 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-21 17:38:03,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_all_ppp_mutex_of_ppp_net [2021-12-21 17:38:03,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_all_ppp_mutex_of_ppp_net [2021-12-21 17:38:03,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 17:38:03,136 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-21 17:38:03,136 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-21 17:38:03,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_167 [2021-12-21 17:38:03,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_167 [2021-12-21 17:38:03,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_read_lock [2021-12-21 17:38:03,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_read_lock [2021-12-21 17:38:03,136 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-21 17:38:03,137 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-21 17:38:03,137 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-21 17:38:03,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-21 17:38:03,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-12-21 17:38:03,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-12-21 17:38:03,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_154 [2021-12-21 17:38:03,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_154 [2021-12-21 17:38:03,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-21 17:38:03,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-21 17:38:03,138 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2021-12-21 17:38:03,138 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_device [2021-12-21 17:38:03,138 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2021-12-21 17:38:03,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2021-12-21 17:38:03,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_ppp_mutex [2021-12-21 17:38:03,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_ppp_mutex [2021-12-21 17:38:03,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-21 17:38:03,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-21 17:38:03,139 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-21 17:38:03,139 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-21 17:38:03,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_133 [2021-12-21 17:38:03,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_133 [2021-12-21 17:38:03,139 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2021-12-21 17:38:03,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2021-12-21 17:38:03,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_134 [2021-12-21 17:38:03,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_134 [2021-12-21 17:38:03,140 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2021-12-21 17:38:03,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_channel [2021-12-21 17:38:03,140 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2021-12-21 17:38:03,140 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2021-12-21 17:38:03,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-12-21 17:38:03,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-12-21 17:38:03,140 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-21 17:38:03,140 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-21 17:38:03,141 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2021-12-21 17:38:03,141 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2021-12-21 17:38:03,141 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_nonmp_frame [2021-12-21 17:38:03,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_nonmp_frame [2021-12-21 17:38:03,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-12-21 17:38:03,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-12-21 17:38:03,141 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2021-12-21 17:38:03,141 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2021-12-21 17:38:03,141 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2021-12-21 17:38:03,142 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2021-12-21 17:38:03,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-12-21 17:38:03,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-12-21 17:38:03,142 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-21 17:38:03,142 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-21 17:38:03,142 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-21 17:38:03,142 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-21 17:38:03,142 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2021-12-21 17:38:03,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2021-12-21 17:38:03,143 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-21 17:38:03,143 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-21 17:38:03,143 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2021-12-21 17:38:03,143 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2021-12-21 17:38:03,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-21 17:38:03,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-21 17:38:03,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-12-21 17:38:03,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-12-21 17:38:03,144 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_register_net_channel [2021-12-21 17:38:03,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_register_net_channel [2021-12-21 17:38:03,144 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_mp_explode [2021-12-21 17:38:03,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_mp_explode [2021-12-21 17:38:03,144 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-21 17:38:03,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-21 17:38:03,144 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_poll [2021-12-21 17:38:03,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_poll [2021-12-21 17:38:03,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 17:38:03,145 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-21 17:38:03,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-21 17:38:03,999 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 17:38:04,003 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 17:38:04,161 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-21 17:38:08,034 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 17:38:08,051 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 17:38:08,051 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-12-21 17:38:08,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 05:38:08 BoogieIcfgContainer [2021-12-21 17:38:08,057 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 17:38:08,059 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 17:38:08,059 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 17:38:08,062 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 17:38:08,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 05:37:56" (1/3) ... [2021-12-21 17:38:08,063 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7151bb66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 05:38:08, skipping insertion in model container [2021-12-21 17:38:08,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:38:02" (2/3) ... [2021-12-21 17:38:08,063 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7151bb66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 05:38:08, skipping insertion in model container [2021-12-21 17:38:08,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 05:38:08" (3/3) ... [2021-12-21 17:38:08,065 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--net--ppp--ppp_generic.ko.cil.i [2021-12-21 17:38:08,069 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 17:38:08,070 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2021-12-21 17:38:08,116 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 17:38:08,121 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 [2021-12-21 17:38:08,122 INFO L340 AbstractCegarLoop]: Starting to check reachability of 44 error locations. [2021-12-21 17:38:08,174 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) [2021-12-21 17:38:08,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-12-21 17:38:08,179 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:38:08,180 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] [2021-12-21 17:38:08,181 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)] === [2021-12-21 17:38:08,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:38:08,185 INFO L85 PathProgramCache]: Analyzing trace with hash 991843258, now seen corresponding path program 1 times [2021-12-21 17:38:08,193 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:38:08,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699637328] [2021-12-21 17:38:08,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:38:08,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:38:08,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:08,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 17:38:08,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:08,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-21 17:38:08,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:08,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:38:08,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:08,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:38:08,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:08,754 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-21 17:38:08,755 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:38:08,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699637328] [2021-12-21 17:38:08,756 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699637328] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:38:08,757 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:38:08,758 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 17:38:08,759 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844008221] [2021-12-21 17:38:08,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:38:08,771 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 17:38:08,771 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:38:08,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 17:38:08,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-21 17:38:08,809 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) [2021-12-21 17:38:09,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:38:09,310 INFO L93 Difference]: Finished difference Result 7839 states and 11384 transitions. [2021-12-21 17:38:09,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 17:38:09,312 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 [2021-12-21 17:38:09,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:38:09,372 INFO L225 Difference]: With dead ends: 7839 [2021-12-21 17:38:09,373 INFO L226 Difference]: Without dead ends: 5171 [2021-12-21 17:38:09,401 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 [2021-12-21 17:38:09,404 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 [2021-12-21 17:38:09,405 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] [2021-12-21 17:38:09,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5171 states. [2021-12-21 17:38:09,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5171 to 5078. [2021-12-21 17:38:09,666 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) [2021-12-21 17:38:09,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5078 states to 5078 states and 6962 transitions. [2021-12-21 17:38:09,710 INFO L78 Accepts]: Start accepts. Automaton has 5078 states and 6962 transitions. Word has length 34 [2021-12-21 17:38:09,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:38:09,711 INFO L470 AbstractCegarLoop]: Abstraction has 5078 states and 6962 transitions. [2021-12-21 17:38:09,712 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) [2021-12-21 17:38:09,712 INFO L276 IsEmpty]: Start isEmpty. Operand 5078 states and 6962 transitions. [2021-12-21 17:38:09,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-12-21 17:38:09,714 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:38:09,715 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] [2021-12-21 17:38:09,715 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 17:38:09,715 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)] === [2021-12-21 17:38:09,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:38:09,716 INFO L85 PathProgramCache]: Analyzing trace with hash 212241193, now seen corresponding path program 1 times [2021-12-21 17:38:09,716 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:38:09,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741037087] [2021-12-21 17:38:09,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:38:09,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:38:09,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:09,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 17:38:09,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:09,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-21 17:38:09,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:09,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:38:09,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:09,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:38:09,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:09,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-21 17:38:09,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:09,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:38:09,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:09,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:38:09,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:10,000 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-12-21 17:38:10,000 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:38:10,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741037087] [2021-12-21 17:38:10,000 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741037087] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:38:10,001 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:38:10,001 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 17:38:10,001 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065085676] [2021-12-21 17:38:10,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:38:10,002 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 17:38:10,002 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:38:10,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 17:38:10,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-21 17:38:10,003 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) [2021-12-21 17:38:10,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:38:10,202 INFO L93 Difference]: Finished difference Result 5078 states and 6962 transitions. [2021-12-21 17:38:10,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 17:38:10,203 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 [2021-12-21 17:38:10,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:38:10,235 INFO L225 Difference]: With dead ends: 5078 [2021-12-21 17:38:10,235 INFO L226 Difference]: Without dead ends: 5076 [2021-12-21 17:38:10,241 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 [2021-12-21 17:38:10,242 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 [2021-12-21 17:38:10,242 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] [2021-12-21 17:38:10,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5076 states. [2021-12-21 17:38:10,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5076 to 5076. [2021-12-21 17:38:10,428 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) [2021-12-21 17:38:10,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5076 states to 5076 states and 6959 transitions. [2021-12-21 17:38:10,458 INFO L78 Accepts]: Start accepts. Automaton has 5076 states and 6959 transitions. Word has length 53 [2021-12-21 17:38:10,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:38:10,459 INFO L470 AbstractCegarLoop]: Abstraction has 5076 states and 6959 transitions. [2021-12-21 17:38:10,459 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) [2021-12-21 17:38:10,459 INFO L276 IsEmpty]: Start isEmpty. Operand 5076 states and 6959 transitions. [2021-12-21 17:38:10,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-12-21 17:38:10,461 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:38:10,461 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] [2021-12-21 17:38:10,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 17:38:10,462 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)] === [2021-12-21 17:38:10,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:38:10,462 INFO L85 PathProgramCache]: Analyzing trace with hash -1267847086, now seen corresponding path program 1 times [2021-12-21 17:38:10,462 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:38:10,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109475276] [2021-12-21 17:38:10,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:38:10,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:38:10,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:10,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 17:38:10,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:10,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 17:38:10,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:10,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 17:38:10,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:10,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 17:38:10,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:10,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:38:10,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:10,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 17:38:10,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:10,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-21 17:38:10,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:10,662 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-21 17:38:10,663 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:38:10,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109475276] [2021-12-21 17:38:10,663 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109475276] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:38:10,663 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:38:10,663 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 17:38:10,664 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112150068] [2021-12-21 17:38:10,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:38:10,664 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 17:38:10,664 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:38:10,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 17:38:10,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 17:38:10,665 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) [2021-12-21 17:38:18,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:38:18,315 INFO L93 Difference]: Finished difference Result 5434 states and 7487 transitions. [2021-12-21 17:38:18,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 17:38:18,319 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 [2021-12-21 17:38:18,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:38:18,351 INFO L225 Difference]: With dead ends: 5434 [2021-12-21 17:38:18,351 INFO L226 Difference]: Without dead ends: 5432 [2021-12-21 17:38:18,354 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 [2021-12-21 17:38:18,355 INFO L933 BasicCegarLoop]: 3094 mSDtfsCounter, 6650 mSDsluCounter, 1508 mSDsCounter, 0 mSdLazyCounter, 3678 mSolverCounterSat, 3595 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s 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 [2021-12-21 17:38:18,355 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] [2021-12-21 17:38:18,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5432 states. [2021-12-21 17:38:18,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5432 to 5074. [2021-12-21 17:38:18,578 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) [2021-12-21 17:38:18,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5074 states to 5074 states and 6956 transitions. [2021-12-21 17:38:18,618 INFO L78 Accepts]: Start accepts. Automaton has 5074 states and 6956 transitions. Word has length 52 [2021-12-21 17:38:18,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:38:18,620 INFO L470 AbstractCegarLoop]: Abstraction has 5074 states and 6956 transitions. [2021-12-21 17:38:18,621 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) [2021-12-21 17:38:18,621 INFO L276 IsEmpty]: Start isEmpty. Operand 5074 states and 6956 transitions. [2021-12-21 17:38:18,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-12-21 17:38:18,629 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:38:18,629 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] [2021-12-21 17:38:18,629 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-21 17:38:18,630 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)] === [2021-12-21 17:38:18,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:38:18,630 INFO L85 PathProgramCache]: Analyzing trace with hash -397080487, now seen corresponding path program 1 times [2021-12-21 17:38:18,631 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:38:18,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182978713] [2021-12-21 17:38:18,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:38:18,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:38:18,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:18,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 17:38:18,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:18,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 17:38:18,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:18,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 17:38:18,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:18,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 17:38:18,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:18,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:38:18,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:18,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 17:38:18,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:18,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-21 17:38:18,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:18,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 17:38:18,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:18,921 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-21 17:38:18,921 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:38:18,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182978713] [2021-12-21 17:38:18,922 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182978713] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:38:18,922 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:38:18,922 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 17:38:18,922 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057085442] [2021-12-21 17:38:18,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:38:18,922 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 17:38:18,923 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:38:18,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 17:38:18,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 17:38:18,924 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) [2021-12-21 17:38:25,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:38:25,477 INFO L93 Difference]: Finished difference Result 5432 states and 7484 transitions. [2021-12-21 17:38:25,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 17:38:25,478 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 [2021-12-21 17:38:25,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:38:25,507 INFO L225 Difference]: With dead ends: 5432 [2021-12-21 17:38:25,508 INFO L226 Difference]: Without dead ends: 5430 [2021-12-21 17:38:25,511 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 [2021-12-21 17:38:25,513 INFO L933 BasicCegarLoop]: 3134 mSDtfsCounter, 6566 mSDsluCounter, 1511 mSDsCounter, 0 mSdLazyCounter, 3715 mSolverCounterSat, 3586 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s 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, 6.1s IncrementalHoareTripleChecker+Time [2021-12-21 17:38:25,514 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6684 Valid, 4645 Invalid, 7301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3586 Valid, 3715 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2021-12-21 17:38:25,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5430 states. [2021-12-21 17:38:25,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5430 to 5072. [2021-12-21 17:38:25,718 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) [2021-12-21 17:38:25,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5072 states to 5072 states and 6953 transitions. [2021-12-21 17:38:25,741 INFO L78 Accepts]: Start accepts. Automaton has 5072 states and 6953 transitions. Word has length 58 [2021-12-21 17:38:25,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:38:25,742 INFO L470 AbstractCegarLoop]: Abstraction has 5072 states and 6953 transitions. [2021-12-21 17:38:25,742 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) [2021-12-21 17:38:25,743 INFO L276 IsEmpty]: Start isEmpty. Operand 5072 states and 6953 transitions. [2021-12-21 17:38:25,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-12-21 17:38:25,744 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:38:25,744 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] [2021-12-21 17:38:25,745 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-21 17:38:25,745 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)] === [2021-12-21 17:38:25,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:38:25,745 INFO L85 PathProgramCache]: Analyzing trace with hash -1434544736, now seen corresponding path program 1 times [2021-12-21 17:38:25,746 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:38:25,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364169286] [2021-12-21 17:38:25,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:38:25,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:38:25,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:25,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 17:38:25,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:25,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 17:38:25,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:25,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 17:38:25,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:25,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 17:38:25,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:25,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:38:25,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:25,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 17:38:25,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:25,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-21 17:38:25,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:25,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 17:38:25,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:25,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-21 17:38:25,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:26,000 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-21 17:38:26,001 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:38:26,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364169286] [2021-12-21 17:38:26,001 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364169286] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:38:26,001 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:38:26,002 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 17:38:26,002 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996436236] [2021-12-21 17:38:26,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:38:26,003 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 17:38:26,003 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:38:26,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 17:38:26,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 17:38:26,004 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) [2021-12-21 17:38:31,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:38:31,530 INFO L93 Difference]: Finished difference Result 5430 states and 7481 transitions. [2021-12-21 17:38:31,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 17:38:31,530 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 [2021-12-21 17:38:31,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:38:31,560 INFO L225 Difference]: With dead ends: 5430 [2021-12-21 17:38:31,561 INFO L226 Difference]: Without dead ends: 5428 [2021-12-21 17:38:31,565 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 [2021-12-21 17:38:31,566 INFO L933 BasicCegarLoop]: 3082 mSDtfsCounter, 6646 mSDsluCounter, 1504 mSDsCounter, 0 mSdLazyCounter, 3670 mSolverCounterSat, 3607 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6763 SdHoareTripleChecker+Valid, 4586 SdHoareTripleChecker+Invalid, 7277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3607 IncrementalHoareTripleChecker+Valid, 3670 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2021-12-21 17:38:31,567 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6763 Valid, 4586 Invalid, 7277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3607 Valid, 3670 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2021-12-21 17:38:31,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5428 states. [2021-12-21 17:38:31,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5428 to 5070. [2021-12-21 17:38:31,784 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) [2021-12-21 17:38:31,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5070 states to 5070 states and 6950 transitions. [2021-12-21 17:38:31,805 INFO L78 Accepts]: Start accepts. Automaton has 5070 states and 6950 transitions. Word has length 64 [2021-12-21 17:38:31,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:38:31,805 INFO L470 AbstractCegarLoop]: Abstraction has 5070 states and 6950 transitions. [2021-12-21 17:38:31,806 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) [2021-12-21 17:38:31,807 INFO L276 IsEmpty]: Start isEmpty. Operand 5070 states and 6950 transitions. [2021-12-21 17:38:31,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-12-21 17:38:31,809 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:38:31,809 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] [2021-12-21 17:38:31,809 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-21 17:38:31,809 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)] === [2021-12-21 17:38:31,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:38:31,810 INFO L85 PathProgramCache]: Analyzing trace with hash 516495216, now seen corresponding path program 1 times [2021-12-21 17:38:31,810 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:38:31,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60248938] [2021-12-21 17:38:31,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:38:31,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:38:31,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:31,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 17:38:31,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:31,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 17:38:31,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:31,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 17:38:31,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:31,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 17:38:31,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:32,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:38:32,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:32,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 17:38:32,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:32,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-21 17:38:32,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:32,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-21 17:38:32,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:32,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-21 17:38:32,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:32,056 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-21 17:38:32,057 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:38:32,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60248938] [2021-12-21 17:38:32,057 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60248938] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:38:32,057 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:38:32,057 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-21 17:38:32,057 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715720584] [2021-12-21 17:38:32,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:38:32,058 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-21 17:38:32,058 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:38:32,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-21 17:38:32,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-21 17:38:32,059 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) [2021-12-21 17:38:41,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:38:41,906 INFO L93 Difference]: Finished difference Result 6424 states and 8626 transitions. [2021-12-21 17:38:41,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-21 17:38:41,907 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 [2021-12-21 17:38:41,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:38:41,935 INFO L225 Difference]: With dead ends: 6424 [2021-12-21 17:38:41,936 INFO L226 Difference]: Without dead ends: 6215 [2021-12-21 17:38:41,940 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 [2021-12-21 17:38:41,941 INFO L933 BasicCegarLoop]: 3161 mSDtfsCounter, 5067 mSDsluCounter, 4608 mSDsCounter, 0 mSdLazyCounter, 12122 mSolverCounterSat, 2726 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s 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, 9.4s IncrementalHoareTripleChecker+Time [2021-12-21 17:38:41,941 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5186 Valid, 7769 Invalid, 14848 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2726 Valid, 12122 Invalid, 0 Unknown, 0 Unchecked, 9.4s Time] [2021-12-21 17:38:41,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6215 states. [2021-12-21 17:38:42,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6215 to 5448. [2021-12-21 17:38:42,165 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) [2021-12-21 17:38:42,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5448 states to 5448 states and 7414 transitions. [2021-12-21 17:38:42,190 INFO L78 Accepts]: Start accepts. Automaton has 5448 states and 7414 transitions. Word has length 66 [2021-12-21 17:38:42,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:38:42,190 INFO L470 AbstractCegarLoop]: Abstraction has 5448 states and 7414 transitions. [2021-12-21 17:38:42,191 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) [2021-12-21 17:38:42,191 INFO L276 IsEmpty]: Start isEmpty. Operand 5448 states and 7414 transitions. [2021-12-21 17:38:42,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-12-21 17:38:42,192 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:38:42,192 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] [2021-12-21 17:38:42,192 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-21 17:38:42,192 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)] === [2021-12-21 17:38:42,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:38:42,193 INFO L85 PathProgramCache]: Analyzing trace with hash -297872605, now seen corresponding path program 1 times [2021-12-21 17:38:42,193 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:38:42,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357766122] [2021-12-21 17:38:42,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:38:42,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:38:42,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:42,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 17:38:42,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:42,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 17:38:42,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:42,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 17:38:42,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:42,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-21 17:38:42,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:42,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:38:42,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:42,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 17:38:42,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:42,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-21 17:38:42,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:42,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 17:38:42,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:42,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-21 17:38:42,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:42,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-21 17:38:42,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:38:42,432 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-21 17:38:42,433 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:38:42,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357766122] [2021-12-21 17:38:42,433 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357766122] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:38:42,433 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:38:42,434 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 17:38:42,434 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771588624] [2021-12-21 17:38:42,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:38:42,434 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 17:38:42,434 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:38:42,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 17:38:42,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 17:38:42,435 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)